Windows Analysis Report
33__Installer.exe

Overview

General Information

Sample name: 33__Installer.exe
Analysis ID: 1466312
MD5: 8182ed62008e7526ae7e1f7d702fbcb6
SHA1: 3a3808eefd17f32bc074c739586b6b36c0a06c15
SHA256: a862efea745fd2c39b097d2e1e1d6961ba4d6f8e5c2823d345c5035b95d44f69
Tags: exe
Infos:

Detection

XWorm
Score: 100
Range: 0 - 100
Whitelisted: false
Confidence: 100%

Signatures

Found malware configuration
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Yara detected XWorm
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
AI detected suspicious sample
C2 URLs / IPs found in malware configuration
Machine Learning detection for sample
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Uses known network protocols on non-standard ports
Abnormal high CPU Usage
Allocates memory with a write watch (potentially for evading sandboxes)
Checks if Antivirus/Antispyware/Firewall program is installed (via WMI)
Contains functionality to check if a debugger is running (IsDebuggerPresent)
Contains functionality to dynamically determine API calls
Contains functionality to query CPU information (cpuid)
Contains functionality to query locales information (e.g. system language)
Contains functionality to read the PEB
Contains functionality which may be used to detect a debugger (GetProcessHeap)
Contains long sleeps (>= 3 min)
Detected TCP or UDP traffic on non-standard ports
Detected potential crypto function
Enables debug privileges
Found a high number of Window / User specific system calls (may be a loop to detect user behavior)
Found potential string decryption / allocating functions
Internet Provider seen in connection with other malware
May sleep (evasive loops) to hinder dynamic analysis
Queries the volume information (name, serial number etc) of a device
Sample file is different than original file name gathered from version info
Uses 32bit PE files
Uses code obfuscation techniques (call, push, ret)
Yara signature match

Classification

AV Detection
barindex
Found malware configuration
Source: 00000000.00000002.4106039892.0000000004021000.00000004.00000800.00020000.00000000.sdmp Malware Configuration Extractor: Xworm {"C2 url": ["117.41.184.33"], "Port": "7000", "Aes key": "<123456789>", "SPL": "<Xwormmm>", "Install file": "USB.exe", "Version": "XWorm V5.6"}
Multi AV Scanner detection for submitted file
Source: 33__Installer.exe ReversingLabs: Detection: 26%
AI detected suspicious sample
Source: Submited Sample Integrated Neural Analysis Model: Matched 100.0% probability
Machine Learning detection for sample
Source: 33__Installer.exe Joe Sandbox ML: detected
Sample uses string decryption to hide its real strings
Source: 0.2.33__Installer.exe.6160000.1.raw.unpack String decryptor: 117.41.184.33
Source: 0.2.33__Installer.exe.6160000.1.raw.unpack String decryptor: 7000
Source: 0.2.33__Installer.exe.6160000.1.raw.unpack String decryptor: <123456789>
Source: 0.2.33__Installer.exe.6160000.1.raw.unpack String decryptor: <Xwormmm>
Source: 0.2.33__Installer.exe.6160000.1.raw.unpack String decryptor: XWorm V5.6
Source: 0.2.33__Installer.exe.6160000.1.raw.unpack String decryptor: USB.exe
Uses 32bit PE files
Source: 33__Installer.exe Static PE information: EXECUTABLE_IMAGE, 32BIT_MACHINE
Source: 33__Installer.exe Static PE information: DYNAMIC_BASE, NX_COMPAT, TERMINAL_SERVER_AWARE

Networking
barindex
Snort IDS alert for network traffic
Source: Traffic Snort IDS: 2852874 ETPRO TROJAN Win32/XWorm CnC PING Command Inbound M2 117.41.184.33:7000 -> 192.168.2.4:49731
Source: Traffic Snort IDS: 2852870 ETPRO TROJAN Win32/XWorm CnC Checkin - Generic Prefix Bytes 117.41.184.33:7000 -> 192.168.2.4:49731
Source: Traffic Snort IDS: 2855924 ETPRO TROJAN Win32/XWorm V3 CnC Command - PING Outbound 192.168.2.4:49731 -> 117.41.184.33:7000
Source: Traffic Snort IDS: 2852923 ETPRO TROJAN Win32/XWorm CnC Checkin - Generic Prefix Bytes (Client) 192.168.2.4:49731 -> 117.41.184.33:7000
Source: Traffic Snort IDS: 2853193 ETPRO TROJAN Win32/XWorm V3 CnC Command - PING Outbound 192.168.2.4:49731 -> 117.41.184.33:7000
C2 URLs / IPs found in malware configuration
Source: Malware configuration extractor URLs: 117.41.184.33
Uses known network protocols on non-standard ports
Source: unknown Network traffic detected: HTTP traffic on port 49730 -> 881
Source: unknown Network traffic detected: HTTP traffic on port 881 -> 49730
Detected TCP or UDP traffic on non-standard ports
Source: global traffic TCP traffic: 192.168.2.4:49730 -> 91.208.240.157:881
Source: global traffic TCP traffic: 192.168.2.4:49731 -> 117.41.184.33:7000
Internet Provider seen in connection with other malware
Source: Joe Sandbox View ASN Name: CT-JIANGXI-IDCCHINANETJiangxprovinceIDCnetworkCN CT-JIANGXI-IDCCHINANETJiangxprovinceIDCnetworkCN
Source: unknown TCP traffic detected without corresponding DNS query: 117.41.184.33
Source: unknown TCP traffic detected without corresponding DNS query: 117.41.184.33
Source: unknown TCP traffic detected without corresponding DNS query: 117.41.184.33
Source: unknown TCP traffic detected without corresponding DNS query: 117.41.184.33
Source: unknown TCP traffic detected without corresponding DNS query: 117.41.184.33
Source: unknown TCP traffic detected without corresponding DNS query: 117.41.184.33
Source: unknown TCP traffic detected without corresponding DNS query: 117.41.184.33
Source: unknown TCP traffic detected without corresponding DNS query: 117.41.184.33
Source: unknown TCP traffic detected without corresponding DNS query: 117.41.184.33
Source: unknown TCP traffic detected without corresponding DNS query: 117.41.184.33
Source: unknown TCP traffic detected without corresponding DNS query: 117.41.184.33
Source: unknown TCP traffic detected without corresponding DNS query: 117.41.184.33
Source: unknown TCP traffic detected without corresponding DNS query: 117.41.184.33
Source: unknown TCP traffic detected without corresponding DNS query: 117.41.184.33
Source: unknown TCP traffic detected without corresponding DNS query: 117.41.184.33
Source: unknown TCP traffic detected without corresponding DNS query: 117.41.184.33
Source: unknown TCP traffic detected without corresponding DNS query: 117.41.184.33
Source: unknown TCP traffic detected without corresponding DNS query: 117.41.184.33
Source: unknown TCP traffic detected without corresponding DNS query: 117.41.184.33
Source: unknown TCP traffic detected without corresponding DNS query: 117.41.184.33
Source: unknown TCP traffic detected without corresponding DNS query: 117.41.184.33
Source: unknown TCP traffic detected without corresponding DNS query: 117.41.184.33
Source: unknown TCP traffic detected without corresponding DNS query: 117.41.184.33
Source: unknown TCP traffic detected without corresponding DNS query: 117.41.184.33
Source: unknown TCP traffic detected without corresponding DNS query: 117.41.184.33
Source: unknown TCP traffic detected without corresponding DNS query: 117.41.184.33
Source: unknown TCP traffic detected without corresponding DNS query: 117.41.184.33
Source: unknown TCP traffic detected without corresponding DNS query: 117.41.184.33
Source: unknown TCP traffic detected without corresponding DNS query: 117.41.184.33
Source: unknown TCP traffic detected without corresponding DNS query: 117.41.184.33
Source: unknown TCP traffic detected without corresponding DNS query: 117.41.184.33
Source: unknown TCP traffic detected without corresponding DNS query: 117.41.184.33
Source: unknown TCP traffic detected without corresponding DNS query: 117.41.184.33
Source: unknown TCP traffic detected without corresponding DNS query: 117.41.184.33
Source: unknown TCP traffic detected without corresponding DNS query: 117.41.184.33
Source: unknown TCP traffic detected without corresponding DNS query: 117.41.184.33
Source: unknown TCP traffic detected without corresponding DNS query: 117.41.184.33
Source: unknown TCP traffic detected without corresponding DNS query: 117.41.184.33
Source: unknown TCP traffic detected without corresponding DNS query: 117.41.184.33
Source: unknown TCP traffic detected without corresponding DNS query: 117.41.184.33
Source: unknown TCP traffic detected without corresponding DNS query: 117.41.184.33
Source: unknown TCP traffic detected without corresponding DNS query: 117.41.184.33
Source: unknown TCP traffic detected without corresponding DNS query: 117.41.184.33
Source: unknown TCP traffic detected without corresponding DNS query: 117.41.184.33
Source: unknown TCP traffic detected without corresponding DNS query: 117.41.184.33
Source: unknown TCP traffic detected without corresponding DNS query: 117.41.184.33
Source: unknown TCP traffic detected without corresponding DNS query: 117.41.184.33
Source: unknown TCP traffic detected without corresponding DNS query: 117.41.184.33
Source: unknown TCP traffic detected without corresponding DNS query: 117.41.184.33
Source: unknown TCP traffic detected without corresponding DNS query: 117.41.184.33
Source: C:\Users\user\Desktop\33__Installer.exe Code function: 0_2_00C23910 InternetOpenA,InternetOpenUrlA,InternetReadFile,InternetReadFile,InternetReadFile,InternetCloseHandle,std::ios_base::_Ios_base_dtor,InternetCloseHandle, 0_2_00C23910
Source: global traffic HTTP traffic detected: GET /330.ccp HTTP/1.1User-Agent: DownloadHost: guanlix.cn:881Cache-Control: no-cache
Source: global traffic DNS traffic detected: DNS query: guanlix.cn
Source: 33__Installer.exe String found in binary or memory: http://guanlix.cn:881/330.ccp
Source: 33__Installer.exe, 00000000.00000002.4105093119.00000000014BE000.00000004.00000020.00020000.00000000.sdmp String found in binary or memory: http://guanlix.cn:881/330.ccp&(
Source: 33__Installer.exe, 00000000.00000002.4106039892.0000000004021000.00000004.00000800.00020000.00000000.sdmp String found in binary or memory: http://schemas.xmlsoap.org/ws/2005/05/identity/claims/name

System Summary
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Malicious sample detected (through community Yara rule)
Source: dump.pcap, type: PCAP Matched rule: Windows_Trojan_Donutloader_f40e3759 Author: unknown
Source: 0.2.33__Installer.exe.6160000.1.raw.unpack, type: UNPACKEDPE Matched rule: Detects AsyncRAT Author: ditekSHen
Source: 0.2.33__Installer.exe.6160000.1.unpack, type: UNPACKEDPE Matched rule: Detects AsyncRAT Author: ditekSHen
Source: 00000000.00000002.4105617953.0000000003CA0000.00000040.00001000.00020000.00000000.sdmp, type: MEMORY Matched rule: Windows_Trojan_Donutloader_f40e3759 Author: unknown
Source: 00000000.00000002.4106753337.0000000006160000.00000004.08000000.00040000.00000000.sdmp, type: MEMORY Matched rule: Detects AsyncRAT Author: ditekSHen
Source: C:\Users\Public\Downloads\ind.jpg, type: DROPPED Matched rule: Windows_Trojan_Donutloader_f40e3759 Author: unknown
Source: C:\Users\user\AppData\Local\Microsoft\Windows\INetCache\IE\3D003UC5\330[1].ccp, type: DROPPED Matched rule: Windows_Trojan_Donutloader_f40e3759 Author: unknown
Abnormal high CPU Usage
Source: C:\Users\user\Desktop\33__Installer.exe Process Stats: CPU usage > 49%
Detected potential crypto function
Source: C:\Users\user\Desktop\33__Installer.exe Code function: 0_2_00C301C9 0_2_00C301C9
Source: C:\Users\user\Desktop\33__Installer.exe Code function: 0_2_00C359E9 0_2_00C359E9
Source: C:\Users\user\Desktop\33__Installer.exe Code function: 0_2_00C309FC 0_2_00C309FC
Source: C:\Users\user\Desktop\33__Installer.exe Code function: 0_2_00C311B6 0_2_00C311B6
Source: C:\Users\user\Desktop\33__Installer.exe Code function: 0_2_00C36B67 0_2_00C36B67
Source: C:\Users\user\Desktop\33__Installer.exe Code function: 0_2_00C3648B 0_2_00C3648B
Source: C:\Users\user\Desktop\33__Installer.exe Code function: 0_2_00C30DCE 0_2_00C30DCE
Source: C:\Users\user\Desktop\33__Installer.exe Code function: 0_2_00C3065E 0_2_00C3065E
Source: C:\Users\user\Desktop\33__Installer.exe Code function: 0_2_00C37E2F 0_2_00C37E2F
Source: C:\Users\user\Desktop\33__Installer.exe Code function: 0_2_00C35F3A 0_2_00C35F3A
Source: C:\Users\user\Desktop\33__Installer.exe Code function: 0_2_0617A010 0_2_0617A010
Source: C:\Users\user\Desktop\33__Installer.exe Code function: 0_2_06174E68 0_2_06174E68
Source: C:\Users\user\Desktop\33__Installer.exe Code function: 0_2_06177CB0 0_2_06177CB0
Source: C:\Users\user\Desktop\33__Installer.exe Code function: 0_2_06175B40 0_2_06175B40
Source: C:\Users\user\Desktop\33__Installer.exe Code function: 0_2_0617E920 0_2_0617E920
Source: C:\Users\user\Desktop\33__Installer.exe Code function: 0_2_061707A0 0_2_061707A0
Source: C:\Users\user\Desktop\33__Installer.exe Code function: 0_2_06174B20 0_2_06174B20
Found potential string decryption / allocating functions
Source: C:\Users\user\Desktop\33__Installer.exe Code function: String function: 00C2AF90 appears 45 times
Sample file is different than original file name gathered from version info
Source: 33__Installer.exe, 00000000.00000002.4104958779.0000000000C42000.00000002.00000001.01000000.00000003.sdmp Binary or memory string: OriginalFilenamewindos.exe. vs 33__Installer.exe
Source: 33__Installer.exe, 00000000.00000002.4106753337.0000000006160000.00000004.08000000.00040000.00000000.sdmp Binary or memory string: OriginalFilenameXClient.exe4 vs 33__Installer.exe
Source: 33__Installer.exe Binary or memory string: OriginalFilenamewindos.exe. vs 33__Installer.exe
Uses 32bit PE files
Source: 33__Installer.exe Static PE information: EXECUTABLE_IMAGE, 32BIT_MACHINE
Yara signature match
Source: dump.pcap, type: PCAP Matched rule: Windows_Trojan_Donutloader_f40e3759 os = windows, severity = x86, creation_date = 2021-09-15, scan_context = file, memory, license = Elastic License v2, threat_name = Windows.Trojan.Donutloader, fingerprint = 6400b34f762cebb4f91a8d24c5fce647e069a971fb3ec923a63aa98c8cfffab7, id = f40e3759-2531-4e21-946a-fb55104814c0, last_modified = 2022-01-13
Source: 0.2.33__Installer.exe.6160000.1.raw.unpack, type: UNPACKEDPE Matched rule: MALWARE_Win_AsyncRAT author = ditekSHen, description = Detects AsyncRAT
Source: 0.2.33__Installer.exe.6160000.1.unpack, type: UNPACKEDPE Matched rule: MALWARE_Win_AsyncRAT author = ditekSHen, description = Detects AsyncRAT
Source: 00000000.00000002.4105617953.0000000003CA0000.00000040.00001000.00020000.00000000.sdmp, type: MEMORY Matched rule: Windows_Trojan_Donutloader_f40e3759 os = windows, severity = x86, creation_date = 2021-09-15, scan_context = file, memory, license = Elastic License v2, threat_name = Windows.Trojan.Donutloader, fingerprint = 6400b34f762cebb4f91a8d24c5fce647e069a971fb3ec923a63aa98c8cfffab7, id = f40e3759-2531-4e21-946a-fb55104814c0, last_modified = 2022-01-13
Source: 00000000.00000002.4106753337.0000000006160000.00000004.08000000.00040000.00000000.sdmp, type: MEMORY Matched rule: MALWARE_Win_AsyncRAT author = ditekSHen, description = Detects AsyncRAT
Source: C:\Users\Public\Downloads\ind.jpg, type: DROPPED Matched rule: Windows_Trojan_Donutloader_f40e3759 os = windows, severity = x86, creation_date = 2021-09-15, scan_context = file, memory, license = Elastic License v2, threat_name = Windows.Trojan.Donutloader, fingerprint = 6400b34f762cebb4f91a8d24c5fce647e069a971fb3ec923a63aa98c8cfffab7, id = f40e3759-2531-4e21-946a-fb55104814c0, last_modified = 2022-01-13
Source: C:\Users\user\AppData\Local\Microsoft\Windows\INetCache\IE\3D003UC5\330[1].ccp, type: DROPPED Matched rule: Windows_Trojan_Donutloader_f40e3759 os = windows, severity = x86, creation_date = 2021-09-15, scan_context = file, memory, license = Elastic License v2, threat_name = Windows.Trojan.Donutloader, fingerprint = 6400b34f762cebb4f91a8d24c5fce647e069a971fb3ec923a63aa98c8cfffab7, id = f40e3759-2531-4e21-946a-fb55104814c0, last_modified = 2022-01-13
Source: 0.2.33__Installer.exe.6160000.1.raw.unpack, Helper.cs Cryptographic APIs: 'TransformFinalBlock'
Source: 0.2.33__Installer.exe.6160000.1.raw.unpack, Helper.cs Cryptographic APIs: 'TransformFinalBlock'
Source: 0.2.33__Installer.exe.6160000.1.raw.unpack, AlgorithmAES.cs Cryptographic APIs: 'TransformFinalBlock'
Source: classification engine Classification label: mal100.troj.evad.winEXE@1/2@1/2
Source: C:\Users\user\Desktop\33__Installer.exe File created: C:\Users\user\AppData\Local\Microsoft\Windows\INetCache\IE\3D003UC5\330[1].ccp Jump to behavior
Source: C:\Users\user\Desktop\33__Installer.exe Mutant created: NULL
Source: C:\Users\user\Desktop\33__Installer.exe Mutant created: \Sessions\1\BaseNamedObjects\20UmI84cKfMqQ1HH
Source: 33__Installer.exe Static PE information: Section: .text IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
Source: C:\Users\user\Desktop\33__Installer.exe Key opened: HKEY_CURRENT_USER\Software\Policies\Microsoft\Windows\Safer\CodeIdentifiers Jump to behavior
Source: 33__Installer.exe ReversingLabs: Detection: 26%
Source: C:\Users\user\Desktop\33__Installer.exe Section loaded: apphelp.dll Jump to behavior
Source: C:\Users\user\Desktop\33__Installer.exe Section loaded: wininet.dll Jump to behavior
Source: C:\Users\user\Desktop\33__Installer.exe Section loaded: iertutil.dll Jump to behavior
Source: C:\Users\user\Desktop\33__Installer.exe Section loaded: sspicli.dll Jump to behavior
Source: C:\Users\user\Desktop\33__Installer.exe Section loaded: windows.storage.dll Jump to behavior
Source: C:\Users\user\Desktop\33__Installer.exe Section loaded: wldp.dll Jump to behavior
Source: C:\Users\user\Desktop\33__Installer.exe Section loaded: profapi.dll Jump to behavior
Source: C:\Users\user\Desktop\33__Installer.exe Section loaded: kernel.appcore.dll Jump to behavior
Source: C:\Users\user\Desktop\33__Installer.exe Section loaded: ondemandconnroutehelper.dll Jump to behavior
Source: C:\Users\user\Desktop\33__Installer.exe Section loaded: winhttp.dll Jump to behavior
Source: C:\Users\user\Desktop\33__Installer.exe Section loaded: iphlpapi.dll Jump to behavior
Source: C:\Users\user\Desktop\33__Installer.exe Section loaded: mswsock.dll Jump to behavior
Source: C:\Users\user\Desktop\33__Installer.exe Section loaded: winnsi.dll Jump to behavior
Source: C:\Users\user\Desktop\33__Installer.exe Section loaded: urlmon.dll Jump to behavior
Source: C:\Users\user\Desktop\33__Installer.exe Section loaded: srvcli.dll Jump to behavior
Source: C:\Users\user\Desktop\33__Installer.exe Section loaded: netutils.dll Jump to behavior
Source: C:\Users\user\Desktop\33__Installer.exe Section loaded: dnsapi.dll Jump to behavior
Source: C:\Users\user\Desktop\33__Installer.exe Section loaded: rasadhlp.dll Jump to behavior
Source: C:\Users\user\Desktop\33__Installer.exe Section loaded: fwpuclnt.dll Jump to behavior
Source: C:\Users\user\Desktop\33__Installer.exe Section loaded: mscoree.dll Jump to behavior
Source: C:\Users\user\Desktop\33__Installer.exe Section loaded: amsi.dll Jump to behavior
Source: C:\Users\user\Desktop\33__Installer.exe Section loaded: vcruntime140_clr0400.dll Jump to behavior
Source: C:\Users\user\Desktop\33__Installer.exe Section loaded: ucrtbase_clr0400.dll Jump to behavior
Source: C:\Users\user\Desktop\33__Installer.exe Section loaded: ucrtbase_clr0400.dll Jump to behavior
Source: C:\Users\user\Desktop\33__Installer.exe Section loaded: cryptsp.dll Jump to behavior
Source: C:\Users\user\Desktop\33__Installer.exe Section loaded: rsaenh.dll Jump to behavior
Source: C:\Users\user\Desktop\33__Installer.exe Section loaded: cryptbase.dll Jump to behavior
Source: C:\Users\user\Desktop\33__Installer.exe Section loaded: userenv.dll Jump to behavior
Source: C:\Users\user\Desktop\33__Installer.exe Section loaded: version.dll Jump to behavior
Source: C:\Users\user\Desktop\33__Installer.exe Section loaded: wbemcomn.dll Jump to behavior
Source: C:\Users\user\Desktop\33__Installer.exe Section loaded: avicap32.dll Jump to behavior
Source: C:\Users\user\Desktop\33__Installer.exe Section loaded: msvfw32.dll Jump to behavior
Source: C:\Users\user\Desktop\33__Installer.exe Section loaded: winmm.dll Jump to behavior
Source: C:\Users\user\Desktop\33__Installer.exe Key value queried: HKEY_LOCAL_MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{057EEE47-2572-4AA1-88D7-60CE2149E33C}\InProcServer32 Jump to behavior
Source: 33__Installer.exe Static PE information: DYNAMIC_BASE, NX_COMPAT, TERMINAL_SERVER_AWARE
Source: 33__Installer.exe Static PE information: Data directory: IMAGE_DIRECTORY_ENTRY_IMPORT is in: .rdata
Source: 33__Installer.exe Static PE information: Data directory: IMAGE_DIRECTORY_ENTRY_RESOURCE is in: .rsrc
Source: 33__Installer.exe Static PE information: Data directory: IMAGE_DIRECTORY_ENTRY_BASERELOC is in: .reloc
Source: 33__Installer.exe Static PE information: Data directory: IMAGE_DIRECTORY_ENTRY_LOAD_CONFIG is in: .rdata
Source: 33__Installer.exe Static PE information: Data directory: IMAGE_DIRECTORY_ENTRY_IAT is in: .rdata

Data Obfuscation
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.NET source code contains method to dynamically call methods (often used by packers)
Source: 0.2.33__Installer.exe.6160000.1.raw.unpack, Messages.cs .Net Code: NewLateBinding.LateCall(obj, (Type)null, "Invoke", new object[2]{null,new object[5]{Settings.Host,Settings.Port,Settings.SPL,Settings.KEY,Helper.ID()}}, (string[])null, (Type[])null, (bool[])null, true)
Source: 0.2.33__Installer.exe.6160000.1.raw.unpack, Messages.cs .Net Code: NewLateBinding.LateCall(obj, (Type)null, "Invoke", new object[2]{null,new object[2]{Pack[2],Helper.Decompress(Convert.FromBase64String(Pack[3]))}}, (string[])null, (Type[])null, (bool[])null, true)
.NET source code contains potential unpacker
Source: 0.2.33__Installer.exe.6160000.1.raw.unpack, Messages.cs .Net Code: Plugin System.AppDomain.Load(byte[])
Source: 0.2.33__Installer.exe.6160000.1.raw.unpack, Messages.cs .Net Code: Memory System.AppDomain.Load(byte[])
Source: 0.2.33__Installer.exe.6160000.1.raw.unpack, Messages.cs .Net Code: Memory
Contains functionality to dynamically determine API calls
Source: C:\Users\user\Desktop\33__Installer.exe Code function: 0_2_00C345F4 LoadLibraryW,GetProcAddress,GetProcAddress,EncodePointer,EncodePointer,GetProcAddress,EncodePointer,GetProcAddress,EncodePointer,GetProcAddress,EncodePointer,GetProcAddress,EncodePointer,DecodePointer,DecodePointer,DecodePointer,DecodePointer,DecodePointer,DecodePointer, 0_2_00C345F4
Uses code obfuscation techniques (call, push, ret)
Source: C:\Users\user\Desktop\33__Installer.exe Code function: 0_2_00C27059 push ecx; ret 0_2_00C2706C
Source: C:\Users\user\Desktop\33__Installer.exe Code function: 0_2_00C26004 push dword ptr [ecx-75h]; iretd 0_2_00C26011
Source: C:\Users\user\Desktop\33__Installer.exe Code function: 0_2_00C316CD push 00000008h; ret 0_2_00C316CF
Source: C:\Users\user\Desktop\33__Installer.exe Code function: 0_2_00C316E9 push cs; ret 0_2_00C316F7
Source: C:\Users\user\Desktop\33__Installer.exe Code function: 0_2_00C316F8 push es; ret 0_2_00C316FF
Source: C:\Users\user\Desktop\33__Installer.exe Code function: 0_2_00C2AFD5 push ecx; ret 0_2_00C2AFE8
Source: C:\Users\user\Desktop\33__Installer.exe Code function: 0_2_061770F8 pushad ; iretd 0_2_06177105

Hooking and other Techniques for Hiding and Protection
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Uses known network protocols on non-standard ports
Source: unknown Network traffic detected: HTTP traffic on port 49730 -> 881
Source: unknown Network traffic detected: HTTP traffic on port 881 -> 49730
Source: C:\Users\user\Desktop\33__Installer.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\33__Installer.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\33__Installer.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\33__Installer.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\33__Installer.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\33__Installer.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\33__Installer.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\33__Installer.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\33__Installer.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\33__Installer.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\33__Installer.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\33__Installer.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\33__Installer.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\33__Installer.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\33__Installer.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\33__Installer.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\33__Installer.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\33__Installer.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\33__Installer.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\33__Installer.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\33__Installer.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\33__Installer.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\33__Installer.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\33__Installer.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\33__Installer.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\33__Installer.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\33__Installer.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\33__Installer.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\33__Installer.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\33__Installer.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\33__Installer.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\33__Installer.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\33__Installer.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\33__Installer.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\33__Installer.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\33__Installer.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\33__Installer.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\33__Installer.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\33__Installer.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\33__Installer.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\33__Installer.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\33__Installer.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\33__Installer.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\33__Installer.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\33__Installer.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\33__Installer.exe Process information set: NOOPENFILEERRORBOX Jump to behavior

Malware Analysis System Evasion
barindex
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Source: C:\Users\user\Desktop\33__Installer.exe WMI Queries: IWbemServices::ExecQuery - root\cimv2 : SELECT * FROM Win32_VideoController
Allocates memory with a write watch (potentially for evading sandboxes)
Source: C:\Users\user\Desktop\33__Installer.exe Memory allocated: 3D70000 memory reserve | memory write watch Jump to behavior
Source: C:\Users\user\Desktop\33__Installer.exe Memory allocated: 4020000 memory reserve | memory write watch Jump to behavior
Source: C:\Users\user\Desktop\33__Installer.exe Memory allocated: 3E50000 memory reserve | memory write watch Jump to behavior
Contains long sleeps (>= 3 min)
Source: C:\Users\user\Desktop\33__Installer.exe Thread delayed: delay time: 922337203685477 Jump to behavior
Found a high number of Window / User specific system calls (may be a loop to detect user behavior)
Source: C:\Users\user\Desktop\33__Installer.exe Window / User API: threadDelayed 2052 Jump to behavior
Source: C:\Users\user\Desktop\33__Installer.exe Window / User API: threadDelayed 7787 Jump to behavior
May sleep (evasive loops) to hinder dynamic analysis
Source: C:\Users\user\Desktop\33__Installer.exe TID: 5920 Thread sleep time: -23980767295822402s >= -30000s Jump to behavior
Source: C:\Users\user\Desktop\33__Installer.exe TID: 5328 Thread sleep count: 2052 > 30 Jump to behavior
Source: C:\Users\user\Desktop\33__Installer.exe TID: 5328 Thread sleep count: 7787 > 30 Jump to behavior
Source: C:\Users\user\Desktop\33__Installer.exe File Volume queried: C:\ FullSizeInformation Jump to behavior
Source: C:\Users\user\Desktop\33__Installer.exe File Volume queried: C:\ FullSizeInformation Jump to behavior
Source: C:\Users\user\Desktop\33__Installer.exe Thread delayed: delay time: 922337203685477 Jump to behavior
Source: 33__Installer.exe, 00000000.00000002.4105093119.000000000147E000.00000004.00000020.00020000.00000000.sdmp, 33__Installer.exe, 00000000.00000002.4105093119.00000000014E7000.00000004.00000020.00020000.00000000.sdmp, 33__Installer.exe, 00000000.00000002.4105093119.00000000014DA000.00000004.00000020.00020000.00000000.sdmp Binary or memory string: Hyper-V RAW
Source: C:\Users\user\Desktop\33__Installer.exe API call chain: ExitProcess graph end node
Source: C:\Users\user\Desktop\33__Installer.exe API call chain: ExitProcess graph end node
Contains functionality to check if a debugger is running (IsDebuggerPresent)
Source: C:\Users\user\Desktop\33__Installer.exe Code function: 0_2_00C2AD72 _memset,IsDebuggerPresent,SetUnhandledExceptionFilter,UnhandledExceptionFilter, 0_2_00C2AD72
Contains functionality to dynamically determine API calls
Source: C:\Users\user\Desktop\33__Installer.exe Code function: 0_2_00C345F4 LoadLibraryW,GetProcAddress,GetProcAddress,EncodePointer,EncodePointer,GetProcAddress,EncodePointer,GetProcAddress,EncodePointer,GetProcAddress,EncodePointer,GetProcAddress,EncodePointer,DecodePointer,DecodePointer,DecodePointer,DecodePointer,DecodePointer,DecodePointer, 0_2_00C345F4
Contains functionality to read the PEB
Source: C:\Users\user\Desktop\33__Installer.exe Code function: 0_2_03CB1628 mov eax, dword ptr fs:[00000030h] 0_2_03CB1628
Contains functionality which may be used to detect a debugger (GetProcessHeap)
Source: C:\Users\user\Desktop\33__Installer.exe Code function: 0_2_00C37B91 __lseeki64_nolock,__lseeki64_nolock,GetProcessHeap,HeapAlloc,__setmode_nolock,__write_nolock,__setmode_nolock,GetProcessHeap,HeapFree,__lseeki64_nolock,SetEndOfFile,GetLastError,__lseeki64_nolock, 0_2_00C37B91
Enables debug privileges
Source: C:\Users\user\Desktop\33__Installer.exe Process token adjusted: Debug Jump to behavior
Source: C:\Users\user\Desktop\33__Installer.exe Code function: 0_2_00C2CD6D SetUnhandledExceptionFilter, 0_2_00C2CD6D
Source: C:\Users\user\Desktop\33__Installer.exe Code function: 0_2_00C2AD72 _memset,IsDebuggerPresent,SetUnhandledExceptionFilter,UnhandledExceptionFilter, 0_2_00C2AD72
Source: C:\Users\user\Desktop\33__Installer.exe Code function: 0_2_00C26FE1 IsDebuggerPresent,SetUnhandledExceptionFilter,UnhandledExceptionFilter,GetCurrentProcess,TerminateProcess, 0_2_00C26FE1
Source: C:\Users\user\Desktop\33__Installer.exe Memory allocated: page read and write | page guard Jump to behavior
Source: 33__Installer.exe, 00000000.00000002.4106039892.0000000004496000.00000004.00000800.00020000.00000000.sdmp Binary or memory string: Program Manager
Source: 33__Installer.exe, 00000000.00000002.4106039892.0000000004496000.00000004.00000800.00020000.00000000.sdmp Binary or memory string: Program Managert-^q
Source: 33__Installer.exe, 00000000.00000002.4106039892.0000000004496000.00000004.00000800.00020000.00000000.sdmp Binary or memory string: @\^q@\^q'PING!<Xwormmm>Program Manager<Xwormmm>0
Source: 33__Installer.exe, 00000000.00000002.4106039892.0000000004496000.00000004.00000800.00020000.00000000.sdmp Binary or memory string: PING!<Xwormmm>Program Manager<Xwormmm>0
Source: 33__Installer.exe, 00000000.00000002.4106039892.0000000004496000.00000004.00000800.00020000.00000000.sdmp Binary or memory string: $^q'PING!<Xwormmm>Program Manager<Xwormmm>0Te^q
Contains functionality to query CPU information (cpuid)
Source: C:\Users\user\Desktop\33__Installer.exe Code function: 0_2_00C21720 cpuid 0_2_00C21720
Contains functionality to query locales information (e.g. system language)
Source: C:\Users\user\Desktop\33__Installer.exe Code function: GetLocaleInfoW,GetLocaleInfoW,_malloc,GetLocaleInfoW,WideCharToMultiByte,__freea, 0_2_00C349CA
Source: C:\Users\user\Desktop\33__Installer.exe Code function: _LocaleUpdate::_LocaleUpdate,__crtGetLocaleInfoA_stat, 0_2_00C34AA4
Source: C:\Users\user\Desktop\33__Installer.exe Code function: GetLocaleInfoW,GetLocaleInfoW,GetACP, 0_2_00C2FAAD
Source: C:\Users\user\Desktop\33__Installer.exe Code function: __getptd,_LcidFromHexString,GetLocaleInfoA, 0_2_00C2FBA2
Source: C:\Users\user\Desktop\33__Installer.exe Code function: __getptd,_LcidFromHexString,GetLocaleInfoA,GetLocaleInfoA,GetLocaleInfoA,_strlen,GetLocaleInfoA,_strlen,_TestDefaultLanguage, 0_2_00C2FCA4
Source: C:\Users\user\Desktop\33__Installer.exe Code function: GetLocaleInfoW,_GetPrimaryLen,_strlen, 0_2_00C2FC49
Source: C:\Users\user\Desktop\33__Installer.exe Code function: GetLocaleInfoA, 0_2_00C34D69
Source: C:\Users\user\Desktop\33__Installer.exe Code function: __getptd,_LcidFromHexString,GetLocaleInfoA,_TestDefaultLanguage, 0_2_00C2FE75
Source: C:\Users\user\Desktop\33__Installer.exe Code function: __getptd,_TranslateName,_GetLcidFromLangCountry,_GetLcidFromLanguage,_TranslateName,_GetLcidFromLangCountry,_GetLcidFromLanguage,_strlen,EnumSystemLocalesA,GetUserDefaultLCID,IsValidCodePage,IsValidLocale,GetLocaleInfoA,_strcpy_s,__invoke_watson,GetLocaleInfoA,GetLocaleInfoA,__itow_s, 0_2_00C2FFD8
Source: C:\Users\user\Desktop\33__Installer.exe Code function: _strlen,_GetPrimaryLen,EnumSystemLocalesA, 0_2_00C2FF9C
Source: C:\Users\user\Desktop\33__Installer.exe Code function: _strlen,_strlen,_GetPrimaryLen,EnumSystemLocalesA, 0_2_00C2FF35
Queries the volume information (name, serial number etc) of a device
Source: C:\Users\user\Desktop\33__Installer.exe Queries volume information: C:\Windows\Microsoft.NET\assembly\GAC_MSIL\Microsoft.VisualBasic\v4.0_10.0.0.0__b03f5f7f11d50a3a\Microsoft.VisualBasic.dll VolumeInformation Jump to behavior
Source: C:\Users\user\Desktop\33__Installer.exe Queries volume information: C:\Windows\Microsoft.NET\assembly\GAC_MSIL\System.Drawing\v4.0_4.0.0.0__b03f5f7f11d50a3a\System.Drawing.dll VolumeInformation Jump to behavior
Source: C:\Users\user\Desktop\33__Installer.exe Queries volume information: C:\Windows\Microsoft.NET\assembly\GAC_MSIL\System.Windows.Forms\v4.0_4.0.0.0__b77a5c561934e089\System.Windows.Forms.dll VolumeInformation Jump to behavior
Source: C:\Users\user\Desktop\33__Installer.exe Code function: 0_2_00C24CAA GetSystemTimeAsFileTime,__aulldiv, 0_2_00C24CAA
Source: C:\Users\user\Desktop\33__Installer.exe Key value queried: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Cryptography MachineGuid Jump to behavior
Checks if Antivirus/Antispyware/Firewall program is installed (via WMI)
Source: C:\Users\user\Desktop\33__Installer.exe WMI Queries: IWbemServices::ExecQuery - root\SecurityCenter2 : Select * from AntivirusProduct

Stealing of Sensitive Information
barindex
Yara detected XWorm
Source: Yara match File source: 0.2.33__Installer.exe.6160000.1.raw.unpack, type: UNPACKEDPE
Source: Yara match File source: 0.2.33__Installer.exe.6160000.1.unpack, type: UNPACKEDPE
Source: Yara match File source: 00000000.00000002.4106753337.0000000006160000.00000004.08000000.00040000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000002.4106039892.0000000004021000.00000004.00000800.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: Process Memory Space: 33__Installer.exe PID: 6556, type: MEMORYSTR

Remote Access Functionality
barindex
Yara detected XWorm
Source: Yara match File source: 0.2.33__Installer.exe.6160000.1.raw.unpack, type: UNPACKEDPE
Source: Yara match File source: 0.2.33__Installer.exe.6160000.1.unpack, type: UNPACKEDPE
Source: Yara match File source: 00000000.00000002.4106753337.0000000006160000.00000004.08000000.00040000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000002.4106039892.0000000004021000.00000004.00000800.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: Process Memory Space: 33__Installer.exe PID: 6556, type: MEMORYSTR
windows-stand
Hide Legend

Legend:

  • Process
  • Signature
  • Created File
  • DNS/IP Info
  • Is Dropped
  • Is Windows Process
  • Number of created Registry Values
  • Number of created Files
  • Visual Basic
  • Delphi
  • Java
  • .Net C# or VB.NET
  • C, C++ or other language
  • Is malicious
  • Internet
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1466312 Sample: 33__Installer.exe Startdate: 02/07/2024 Architecture: WINDOWS Score: 100 10 guanlix.cn 2->10 16 Snort IDS alert for network traffic 2->16 18 Found malware configuration 2->18 20 Malicious sample detected (through community Yara rule) 2->20 22 9 other signatures 2->22 6 33__Installer.exe 16 2->6         started        signatures3 process4 dnsIp5 12 117.41.184.33, 49731, 7000 CT-JIANGXI-IDCCHINANETJiangxprovinceIDCnetworkCN China 6->12 14 guanlix.cn 91.208.240.157, 49730, 881 LUCID-AS-APLUCIDACLOUDLIMITEDHK unknown 6->14 24 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 6->24 signatures6
  • No. of IPs < 25%
  • 25% < No. of IPs < 50%
  • 50% < No. of IPs < 75%
  • 75% < No. of IPs

Contacted Public IPs

IP Domain Country Flag ASN ASN Name Malicious
91.208.240.157
 guanlix.cn unknown
139659 LUCID-AS-APLUCIDACLOUDLIMITEDHK false
117.41.184.33
 unknown China
134238 CT-JIANGXI-IDCCHINANETJiangxprovinceIDCnetworkCN true

Contacted Domains

Name IP Active
guanlix.cn 91.208.240.157 true

Contacted URLs

Name Malicious Antivirus Detection Reputation
117.41.184.33 true
  • Avira URL Cloud: safe
 unknown
http://guanlix.cn:881/330.ccp false
  • Avira URL Cloud: safe
 unknown