Windows Analysis Report
103-o_Installer.exe

Overview

General Information

Sample name: 103-o_Installer.exe
Analysis ID: 1466308
MD5: dc4b9be7a5645d5c7fd18a4ac175830c
SHA1: 3b2a0dc310a1af35629fca61ae1ccc530b8c9a30
SHA256: 233e15fe06e10eb85efdd62345a90c62d43d30f2d01122d79fbc5299c25f3d81
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
AV process strings found (often used to terminate AV products)
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
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Found malware configuration
Source: 00000000.00000002.3671692196.0000000003141000.00000004.00000800.00020000.00000000.sdmp Malware Configuration Extractor: Xworm {"C2 url": ["59.56.110.103"], "Port": "7000", "Aes key": "<123456789>", "SPL": "<Xwormmm>", "Install file": "USB.exe", "Version": "XWorm V5.6"}
Multi AV Scanner detection for submitted file
Source: 103-o_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: 103-o_Installer.exe Joe Sandbox ML: detected
Sample uses string decryption to hide its real strings
Source: 0.2.103-o_Installer.exe.5390000.1.raw.unpack String decryptor: 59.56.110.103
Source: 0.2.103-o_Installer.exe.5390000.1.raw.unpack String decryptor: 7000
Source: 0.2.103-o_Installer.exe.5390000.1.raw.unpack String decryptor: <123456789>
Source: 0.2.103-o_Installer.exe.5390000.1.raw.unpack String decryptor: <Xwormmm>
Source: 0.2.103-o_Installer.exe.5390000.1.raw.unpack String decryptor: XWorm V5.6
Source: 0.2.103-o_Installer.exe.5390000.1.raw.unpack String decryptor: USB.exe
Uses 32bit PE files
Source: 103-o_Installer.exe Static PE information: EXECUTABLE_IMAGE, 32BIT_MACHINE
Source: 103-o_Installer.exe Static PE information: DYNAMIC_BASE, NX_COMPAT, TERMINAL_SERVER_AWARE

Networking
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Snort IDS alert for network traffic
Source: Traffic Snort IDS: 2852874 ETPRO TROJAN Win32/XWorm CnC PING Command Inbound M2 59.56.110.103:7000 -> 192.168.2.7:49701
Source: Traffic Snort IDS: 2852870 ETPRO TROJAN Win32/XWorm CnC Checkin - Generic Prefix Bytes 59.56.110.103:7000 -> 192.168.2.7:49701
Source: Traffic Snort IDS: 2855924 ETPRO TROJAN Win32/XWorm V3 CnC Command - PING Outbound 192.168.2.7:49701 -> 59.56.110.103:7000
Source: Traffic Snort IDS: 2852923 ETPRO TROJAN Win32/XWorm CnC Checkin - Generic Prefix Bytes (Client) 192.168.2.7:49701 -> 59.56.110.103:7000
Source: Traffic Snort IDS: 2853193 ETPRO TROJAN Win32/XWorm V3 CnC Command - PING Outbound 192.168.2.7:49701 -> 59.56.110.103:7000
C2 URLs / IPs found in malware configuration
Source: Malware configuration extractor URLs: 59.56.110.103
Uses known network protocols on non-standard ports
Source: unknown Network traffic detected: HTTP traffic on port 49700 -> 881
Source: unknown Network traffic detected: HTTP traffic on port 881 -> 49700
Detected TCP or UDP traffic on non-standard ports
Source: global traffic TCP traffic: 192.168.2.7:49700 -> 91.208.240.157:881
Source: global traffic TCP traffic: 192.168.2.7:49701 -> 59.56.110.103:7000
Internet Provider seen in connection with other malware
Source: Joe Sandbox View ASN Name: CHINATELECOM-FUJIAN-FUZHOU-IDC1FuzhouCN CHINATELECOM-FUJIAN-FUZHOU-IDC1FuzhouCN
Source: unknown UDP traffic detected without corresponding DNS query: 1.1.1.1
Source: C:\Users\user\Desktop\103-o_Installer.exe Code function: 0_2_003A25C8 __EH_prolog,InternetReadFile, 0_2_003A25C8
Source: global traffic HTTP traffic detected: GET /103.ccp HTTP/1.1User-Agent: DownloadHost: guanlix.cn:881Cache-Control: no-cache
Source: global traffic DNS traffic detected: DNS query: guanlix.cn
Source: 103-o_Installer.exe String found in binary or memory: http://guanlix.cn:881/103.ccp
Source: 103-o_Installer.exe, 00000000.00000002.3670052787.000000000093C000.00000004.00000020.00020000.00000000.sdmp String found in binary or memory: http://guanlix.cn:881/103.ccph
Source: 103-o_Installer.exe, 00000000.00000002.3671692196.0000000003141000.00000004.00000800.00020000.00000000.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: 0.2.103-o_Installer.exe.5390000.1.unpack, type: UNPACKEDPE Matched rule: Detects AsyncRAT Author: ditekSHen
Source: 0.2.103-o_Installer.exe.5390000.1.raw.unpack, type: UNPACKEDPE Matched rule: Detects AsyncRAT Author: ditekSHen
Source: 00000000.00000002.3671240808.0000000002ED0000.00000040.00001000.00020000.00000000.sdmp, type: MEMORY Matched rule: Windows_Trojan_Donutloader_f40e3759 Author: unknown
Source: 00000000.00000002.3672250082.0000000005390000.00000004.08000000.00040000.00000000.sdmp, type: MEMORY Matched rule: Detects AsyncRAT Author: ditekSHen
Source: C:\Users\user\AppData\Local\Microsoft\Windows\INetCache\IE\BEDT2L3A\103[1].ccp, type: DROPPED Matched rule: Windows_Trojan_Donutloader_f40e3759 Author: unknown
Source: C:\Users\Public\Downloads\ind.cod, type: DROPPED Matched rule: Windows_Trojan_Donutloader_f40e3759 Author: unknown
Abnormal high CPU Usage
Source: C:\Users\user\Desktop\103-o_Installer.exe Process Stats: CPU usage > 49%
Detected potential crypto function
Source: C:\Users\user\Desktop\103-o_Installer.exe Code function: 0_2_003B007E 0_2_003B007E
Source: C:\Users\user\Desktop\103-o_Installer.exe Code function: 0_2_003B5A2A 0_2_003B5A2A
Source: C:\Users\user\Desktop\103-o_Installer.exe Code function: 0_2_003B738F 0_2_003B738F
Source: C:\Users\user\Desktop\103-o_Installer.exe Code function: 0_2_003AFBE9 0_2_003AFBE9
Source: C:\Users\user\Desktop\103-o_Installer.exe Code function: 0_2_003B0BD6 0_2_003B0BD6
Source: C:\Users\user\Desktop\103-o_Installer.exe Code function: 0_2_003B041C 0_2_003B041C
Source: C:\Users\user\Desktop\103-o_Installer.exe Code function: 0_2_003B54D9 0_2_003B54D9
Source: C:\Users\user\Desktop\103-o_Installer.exe Code function: 0_2_003B6657 0_2_003B6657
Source: C:\Users\user\Desktop\103-o_Installer.exe Code function: 0_2_003B5F7B 0_2_003B5F7B
Source: C:\Users\user\Desktop\103-o_Installer.exe Code function: 0_2_003B7F4F 0_2_003B7F4F
Source: C:\Users\user\Desktop\103-o_Installer.exe Code function: 0_2_003B07EE 0_2_003B07EE
Source: C:\Users\user\Desktop\103-o_Installer.exe Code function: 0_2_053A55D8 0_2_053A55D8
Source: C:\Users\user\Desktop\103-o_Installer.exe Code function: 0_2_053AA290 0_2_053AA290
Source: C:\Users\user\Desktop\103-o_Installer.exe Code function: 0_2_053A4D08 0_2_053A4D08
Source: C:\Users\user\Desktop\103-o_Installer.exe Code function: 0_2_053AAFD0 0_2_053AAFD0
Source: C:\Users\user\Desktop\103-o_Installer.exe Code function: 0_2_053AE918 0_2_053AE918
Source: C:\Users\user\Desktop\103-o_Installer.exe Code function: 0_2_053A07A0 0_2_053A07A0
Source: C:\Users\user\Desktop\103-o_Installer.exe Code function: 0_2_053A49C0 0_2_053A49C0
Found potential string decryption / allocating functions
Source: C:\Users\user\Desktop\103-o_Installer.exe Code function: String function: 003AA9B0 appears 45 times
Sample file is different than original file name gathered from version info
Source: 103-o_Installer.exe, 00000000.00000000.1226802743.00000000003C3000.00000002.00000001.01000000.00000003.sdmp Binary or memory string: OriginalFilenamewindos.exe. vs 103-o_Installer.exe
Source: 103-o_Installer.exe, 00000000.00000002.3672250082.0000000005390000.00000004.08000000.00040000.00000000.sdmp Binary or memory string: OriginalFilenameXClient.exe4 vs 103-o_Installer.exe
Source: 103-o_Installer.exe Binary or memory string: OriginalFilenamewindos.exe. vs 103-o_Installer.exe
Uses 32bit PE files
Source: 103-o_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: 0.2.103-o_Installer.exe.5390000.1.unpack, type: UNPACKEDPE Matched rule: MALWARE_Win_AsyncRAT author = ditekSHen, description = Detects AsyncRAT
Source: 0.2.103-o_Installer.exe.5390000.1.raw.unpack, type: UNPACKEDPE Matched rule: MALWARE_Win_AsyncRAT author = ditekSHen, description = Detects AsyncRAT
Source: 00000000.00000002.3671240808.0000000002ED0000.00000040.00001000.00020000.00000000.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: 00000000.00000002.3672250082.0000000005390000.00000004.08000000.00040000.00000000.sdmp, type: MEMORY Matched rule: MALWARE_Win_AsyncRAT author = ditekSHen, description = Detects AsyncRAT
Source: C:\Users\user\AppData\Local\Microsoft\Windows\INetCache\IE\BEDT2L3A\103[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: C:\Users\Public\Downloads\ind.cod, 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: 0.2.103-o_Installer.exe.5390000.1.raw.unpack, Helper.cs Cryptographic APIs: 'TransformFinalBlock'
Source: 0.2.103-o_Installer.exe.5390000.1.raw.unpack, Helper.cs Cryptographic APIs: 'TransformFinalBlock'
Source: 0.2.103-o_Installer.exe.5390000.1.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\103-o_Installer.exe File created: C:\Users\user\AppData\Local\Microsoft\Windows\INetCache\IE\BEDT2L3A\103[1].ccp Jump to behavior
Source: C:\Users\user\Desktop\103-o_Installer.exe Mutant created: NULL
Source: C:\Users\user\Desktop\103-o_Installer.exe Mutant created: \Sessions\1\BaseNamedObjects\tJeTNPzvlX6aPF3G
Source: 103-o_Installer.exe Static PE information: Section: .text IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
Source: C:\Users\user\Desktop\103-o_Installer.exe Key opened: HKEY_CURRENT_USER\Software\Policies\Microsoft\Windows\Safer\CodeIdentifiers Jump to behavior
Source: 103-o_Installer.exe ReversingLabs: Detection: 26%
Source: C:\Users\user\Desktop\103-o_Installer.exe Section loaded: apphelp.dll Jump to behavior
Source: C:\Users\user\Desktop\103-o_Installer.exe Section loaded: wininet.dll Jump to behavior
Source: C:\Users\user\Desktop\103-o_Installer.exe Section loaded: iertutil.dll Jump to behavior
Source: C:\Users\user\Desktop\103-o_Installer.exe Section loaded: sspicli.dll Jump to behavior
Source: C:\Users\user\Desktop\103-o_Installer.exe Section loaded: windows.storage.dll Jump to behavior
Source: C:\Users\user\Desktop\103-o_Installer.exe Section loaded: wldp.dll Jump to behavior
Source: C:\Users\user\Desktop\103-o_Installer.exe Section loaded: profapi.dll Jump to behavior
Source: C:\Users\user\Desktop\103-o_Installer.exe Section loaded: kernel.appcore.dll Jump to behavior
Source: C:\Users\user\Desktop\103-o_Installer.exe Section loaded: ondemandconnroutehelper.dll Jump to behavior
Source: C:\Users\user\Desktop\103-o_Installer.exe Section loaded: winhttp.dll Jump to behavior
Source: C:\Users\user\Desktop\103-o_Installer.exe Section loaded: mswsock.dll Jump to behavior
Source: C:\Users\user\Desktop\103-o_Installer.exe Section loaded: iphlpapi.dll Jump to behavior
Source: C:\Users\user\Desktop\103-o_Installer.exe Section loaded: winnsi.dll Jump to behavior
Source: C:\Users\user\Desktop\103-o_Installer.exe Section loaded: urlmon.dll Jump to behavior
Source: C:\Users\user\Desktop\103-o_Installer.exe Section loaded: srvcli.dll Jump to behavior
Source: C:\Users\user\Desktop\103-o_Installer.exe Section loaded: netutils.dll Jump to behavior
Source: C:\Users\user\Desktop\103-o_Installer.exe Section loaded: dnsapi.dll Jump to behavior
Source: C:\Users\user\Desktop\103-o_Installer.exe Section loaded: rasadhlp.dll Jump to behavior
Source: C:\Users\user\Desktop\103-o_Installer.exe Section loaded: fwpuclnt.dll Jump to behavior
Source: C:\Users\user\Desktop\103-o_Installer.exe Section loaded: mscoree.dll Jump to behavior
Source: C:\Users\user\Desktop\103-o_Installer.exe Section loaded: amsi.dll Jump to behavior
Source: C:\Users\user\Desktop\103-o_Installer.exe Section loaded: vcruntime140_clr0400.dll Jump to behavior
Source: C:\Users\user\Desktop\103-o_Installer.exe Section loaded: ucrtbase_clr0400.dll Jump to behavior
Source: C:\Users\user\Desktop\103-o_Installer.exe Section loaded: cryptsp.dll Jump to behavior
Source: C:\Users\user\Desktop\103-o_Installer.exe Section loaded: rsaenh.dll Jump to behavior
Source: C:\Users\user\Desktop\103-o_Installer.exe Section loaded: cryptbase.dll Jump to behavior
Source: C:\Users\user\Desktop\103-o_Installer.exe Section loaded: userenv.dll Jump to behavior
Source: C:\Users\user\Desktop\103-o_Installer.exe Section loaded: version.dll Jump to behavior
Source: C:\Users\user\Desktop\103-o_Installer.exe Section loaded: wbemcomn.dll Jump to behavior
Source: C:\Users\user\Desktop\103-o_Installer.exe Section loaded: avicap32.dll Jump to behavior
Source: C:\Users\user\Desktop\103-o_Installer.exe Section loaded: msvfw32.dll Jump to behavior
Source: C:\Users\user\Desktop\103-o_Installer.exe Section loaded: winmm.dll Jump to behavior
Source: C:\Users\user\Desktop\103-o_Installer.exe Section loaded: winmm.dll Jump to behavior
Source: C:\Users\user\Desktop\103-o_Installer.exe Key value queried: HKEY_LOCAL_MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0358b920-0ac7-461f-98f4-58e32cd89148}\InProcServer32 Jump to behavior
Source: 103-o_Installer.exe Static PE information: DYNAMIC_BASE, NX_COMPAT, TERMINAL_SERVER_AWARE
Source: 103-o_Installer.exe Static PE information: Data directory: IMAGE_DIRECTORY_ENTRY_IMPORT is in: .rdata
Source: 103-o_Installer.exe Static PE information: Data directory: IMAGE_DIRECTORY_ENTRY_RESOURCE is in: .rsrc
Source: 103-o_Installer.exe Static PE information: Data directory: IMAGE_DIRECTORY_ENTRY_BASERELOC is in: .reloc
Source: 103-o_Installer.exe Static PE information: Data directory: IMAGE_DIRECTORY_ENTRY_LOAD_CONFIG is in: .rdata
Source: 103-o_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: 0.2.103-o_Installer.exe.5390000.1.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: 0.2.103-o_Installer.exe.5390000.1.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: 0.2.103-o_Installer.exe.5390000.1.raw.unpack, Messages.cs .Net Code: Plugin System.AppDomain.Load(byte[])
Source: 0.2.103-o_Installer.exe.5390000.1.raw.unpack, Messages.cs .Net Code: Memory System.AppDomain.Load(byte[])
Source: 0.2.103-o_Installer.exe.5390000.1.raw.unpack, Messages.cs .Net Code: Memory
Contains functionality to dynamically determine API calls
Source: C:\Users\user\Desktop\103-o_Installer.exe Code function: 0_2_003B40E4 LoadLibraryW,GetProcAddress,GetProcAddress,EncodePointer,EncodePointer,GetProcAddress,EncodePointer,GetProcAddress,EncodePointer,GetProcAddress,EncodePointer,GetProcAddress,EncodePointer,DecodePointer,DecodePointer,DecodePointer,DecodePointer,DecodePointer,DecodePointer, 0_2_003B40E4
Uses code obfuscation techniques (call, push, ret)
Source: C:\Users\user\Desktop\103-o_Installer.exe Code function: 0_2_003A4948 push eax; ret 0_2_003A4966
Source: C:\Users\user\Desktop\103-o_Installer.exe Code function: 0_2_003AA9F5 push ecx; ret 0_2_003AAA08
Source: C:\Users\user\Desktop\103-o_Installer.exe Code function: 0_2_003A6649 push ecx; ret 0_2_003A665C
Source: C:\Users\user\Desktop\103-o_Installer.exe Code function: 0_2_053AC0A8 push eax; retf 0301h 0_2_053ACC2D
Source: C:\Users\user\Desktop\103-o_Installer.exe Code function: 0_2_053A6B88 pushad ; ret 0_2_053A6B89

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 49700 -> 881
Source: unknown Network traffic detected: HTTP traffic on port 881 -> 49700
Source: C:\Users\user\Desktop\103-o_Installer.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\103-o_Installer.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\103-o_Installer.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\103-o_Installer.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\103-o_Installer.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\103-o_Installer.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\103-o_Installer.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\103-o_Installer.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\103-o_Installer.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\103-o_Installer.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\103-o_Installer.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\103-o_Installer.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\103-o_Installer.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\103-o_Installer.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\103-o_Installer.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\103-o_Installer.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\103-o_Installer.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\103-o_Installer.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\103-o_Installer.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\103-o_Installer.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\103-o_Installer.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\103-o_Installer.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\103-o_Installer.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\103-o_Installer.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\103-o_Installer.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\103-o_Installer.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\103-o_Installer.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\103-o_Installer.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\103-o_Installer.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\103-o_Installer.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\103-o_Installer.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\103-o_Installer.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\103-o_Installer.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\103-o_Installer.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\103-o_Installer.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\103-o_Installer.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\103-o_Installer.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\103-o_Installer.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\103-o_Installer.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\103-o_Installer.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\103-o_Installer.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\103-o_Installer.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\103-o_Installer.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\103-o_Installer.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\103-o_Installer.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\103-o_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\103-o_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\103-o_Installer.exe Memory allocated: 2FC0000 memory reserve | memory write watch Jump to behavior
Source: C:\Users\user\Desktop\103-o_Installer.exe Memory allocated: 3140000 memory reserve | memory write watch Jump to behavior
Source: C:\Users\user\Desktop\103-o_Installer.exe Memory allocated: 5140000 memory reserve | memory write watch Jump to behavior
Contains long sleeps (>= 3 min)
Source: C:\Users\user\Desktop\103-o_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\103-o_Installer.exe Window / User API: threadDelayed 7422 Jump to behavior
Source: C:\Users\user\Desktop\103-o_Installer.exe Window / User API: threadDelayed 2418 Jump to behavior
May sleep (evasive loops) to hinder dynamic analysis
Source: C:\Users\user\Desktop\103-o_Installer.exe TID: 5640 Thread sleep time: -5534023222112862s >= -30000s Jump to behavior
Source: C:\Users\user\Desktop\103-o_Installer.exe TID: 1000 Thread sleep count: 7422 > 30 Jump to behavior
Source: C:\Users\user\Desktop\103-o_Installer.exe TID: 1000 Thread sleep count: 2418 > 30 Jump to behavior
Source: C:\Users\user\Desktop\103-o_Installer.exe File Volume queried: C:\ FullSizeInformation Jump to behavior
Source: C:\Users\user\Desktop\103-o_Installer.exe File Volume queried: C:\ FullSizeInformation Jump to behavior
Source: C:\Users\user\Desktop\103-o_Installer.exe Thread delayed: delay time: 922337203685477 Jump to behavior
Source: 103-o_Installer.exe, 00000000.00000002.3670052787.00000000008FE000.00000004.00000020.00020000.00000000.sdmp, 103-o_Installer.exe, 00000000.00000002.3670052787.0000000000959000.00000004.00000020.00020000.00000000.sdmp, 103-o_Installer.exe, 00000000.00000003.1540396903.0000000000962000.00000004.00000020.00020000.00000000.sdmp Binary or memory string: Hyper-V RAW
Source: 103-o_Installer.exe, 00000000.00000002.3670052787.0000000000959000.00000004.00000020.00020000.00000000.sdmp, 103-o_Installer.exe, 00000000.00000003.1540396903.0000000000962000.00000004.00000020.00020000.00000000.sdmp Binary or memory string: Hyper-V RAWcT
Source: C:\Users\user\Desktop\103-o_Installer.exe API call chain: ExitProcess graph end node
Source: C:\Users\user\Desktop\103-o_Installer.exe API call chain: ExitProcess graph end node
Contains functionality to check if a debugger is running (IsDebuggerPresent)
Source: C:\Users\user\Desktop\103-o_Installer.exe Code function: 0_2_003A65D1 IsDebuggerPresent,SetUnhandledExceptionFilter,UnhandledExceptionFilter,GetCurrentProcess,TerminateProcess, 0_2_003A65D1
Contains functionality to dynamically determine API calls
Source: C:\Users\user\Desktop\103-o_Installer.exe Code function: 0_2_003B40E4 LoadLibraryW,GetProcAddress,GetProcAddress,EncodePointer,EncodePointer,GetProcAddress,EncodePointer,GetProcAddress,EncodePointer,GetProcAddress,EncodePointer,GetProcAddress,EncodePointer,DecodePointer,DecodePointer,DecodePointer,DecodePointer,DecodePointer,DecodePointer, 0_2_003B40E4
Contains functionality to read the PEB
Source: C:\Users\user\Desktop\103-o_Installer.exe Code function: 0_2_02EE1628 mov eax, dword ptr fs:[00000030h] 0_2_02EE1628
Contains functionality which may be used to detect a debugger (GetProcessHeap)
Source: C:\Users\user\Desktop\103-o_Installer.exe Code function: 0_2_003B7CB1 __lseeki64_nolock,__lseeki64_nolock,GetProcessHeap,HeapAlloc,__setmode_nolock,__write_nolock,__setmode_nolock,GetProcessHeap,HeapFree,__lseeki64_nolock,SetEndOfFile,GetLastError,__lseeki64_nolock, 0_2_003B7CB1
Enables debug privileges
Source: C:\Users\user\Desktop\103-o_Installer.exe Process token adjusted: Debug Jump to behavior
Source: C:\Users\user\Desktop\103-o_Installer.exe Code function: 0_2_003A65D1 IsDebuggerPresent,SetUnhandledExceptionFilter,UnhandledExceptionFilter,GetCurrentProcess,TerminateProcess, 0_2_003A65D1
Source: C:\Users\user\Desktop\103-o_Installer.exe Code function: 0_2_003AA792 _memset,IsDebuggerPresent,SetUnhandledExceptionFilter,UnhandledExceptionFilter, 0_2_003AA792
Source: C:\Users\user\Desktop\103-o_Installer.exe Code function: 0_2_003AC78D SetUnhandledExceptionFilter, 0_2_003AC78D
Source: C:\Users\user\Desktop\103-o_Installer.exe Memory allocated: page read and write | page guard Jump to behavior
Contains functionality to query CPU information (cpuid)
Source: C:\Users\user\Desktop\103-o_Installer.exe Code function: 0_2_003A1671 cpuid 0_2_003A1671
Contains functionality to query locales information (e.g. system language)
Source: C:\Users\user\Desktop\103-o_Installer.exe Code function: GetLocaleInfoA, 0_2_003B4859
Source: C:\Users\user\Desktop\103-o_Installer.exe Code function: ___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo, 0_2_003AE04E
Source: C:\Users\user\Desktop\103-o_Installer.exe Code function: __getptd,_LcidFromHexString,GetLocaleInfoA,_TestDefaultLanguage, 0_2_003AF895
Source: C:\Users\user\Desktop\103-o_Installer.exe Code function: _strlen,_strlen,_GetPrimaryLen,EnumSystemLocalesA, 0_2_003AF955
Source: C:\Users\user\Desktop\103-o_Installer.exe Code function: _strlen,_GetPrimaryLen,EnumSystemLocalesA, 0_2_003AF9BC
Source: C:\Users\user\Desktop\103-o_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_003AF9F8
Source: C:\Users\user\Desktop\103-o_Installer.exe Code function: ___crtGetLocaleInfoA,GetLastError,___crtGetLocaleInfoA,__calloc_crt,___crtGetLocaleInfoA,__calloc_crt,_free,_free,__invoke_watson,GetLocaleInfoW,GetLocaleInfoW,__calloc_crt,GetLocaleInfoW,_free,GetLocaleInfoW, 0_2_003ADC2B
Source: C:\Users\user\Desktop\103-o_Installer.exe Code function: GetLocaleInfoW,GetLocaleInfoW,_malloc,GetLocaleInfoW,WideCharToMultiByte,__freea, 0_2_003B44BA
Source: C:\Users\user\Desktop\103-o_Installer.exe Code function: __calloc_crt,__malloc_crt,_free,__malloc_crt,_free,_free,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___free_lconv_num,InterlockedDecrement,InterlockedDecrement,InterlockedDecrement,_free,_free, 0_2_003AECAA
Source: C:\Users\user\Desktop\103-o_Installer.exe Code function: GetLocaleInfoW,GetLocaleInfoW,GetACP, 0_2_003AF4CD
Source: C:\Users\user\Desktop\103-o_Installer.exe Code function: _LocaleUpdate::_LocaleUpdate,__crtGetLocaleInfoA_stat, 0_2_003B4594
Source: C:\Users\user\Desktop\103-o_Installer.exe Code function: __getptd,_LcidFromHexString,GetLocaleInfoA, 0_2_003AF5C2
Source: C:\Users\user\Desktop\103-o_Installer.exe Code function: GetLocaleInfoW,_GetPrimaryLen,_strlen, 0_2_003AF669
Source: C:\Users\user\Desktop\103-o_Installer.exe Code function: __getptd,_LcidFromHexString,GetLocaleInfoA,GetLocaleInfoA,GetLocaleInfoA,_strlen,GetLocaleInfoA,_strlen,_TestDefaultLanguage, 0_2_003AF6C4
Source: C:\Users\user\Desktop\103-o_Installer.exe Code function: __calloc_crt,__malloc_crt,_free,__malloc_crt,_free,_free,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___free_lconv_mon,_free,_free,_free,InterlockedDecrement,InterlockedDecrement,_free,_free, 0_2_003AEF98
Source: C:\Users\user\Desktop\103-o_Installer.exe Code function: ___getlocaleinfo,__malloc_crt,__calloc_crt,__calloc_crt,__calloc_crt,__calloc_crt,GetCPInfo,___crtGetStringTypeA,___crtLCMapStringA,___crtLCMapStringA,_memmove,_memmove,_memmove,InterlockedDecrement,_free,_free,_free,_free,_free,_free,_free,_free,_free,InterlockedDecrement, 0_2_003A5FC5
Queries the volume information (name, serial number etc) of a device
Source: C:\Users\user\Desktop\103-o_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\103-o_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\103-o_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\103-o_Installer.exe Code function: 0_2_003A41BA GetSystemTimeAsFileTime,__aulldiv, 0_2_003A41BA
Source: C:\Users\user\Desktop\103-o_Installer.exe Key value queried: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Cryptography MachineGuid Jump to behavior
AV process strings found (often used to terminate AV products)
Source: 103-o_Installer.exe, 00000000.00000002.3670052787.000000000093C000.00000004.00000020.00020000.00000000.sdmp, 103-o_Installer.exe, 00000000.00000003.1540396903.000000000098A000.00000004.00000020.00020000.00000000.sdmp Binary or memory string: %ProgramFiles%\Windows Defender\MsMpeng.exe
Checks if Antivirus/Antispyware/Firewall program is installed (via WMI)
Source: C:\Users\user\Desktop\103-o_Installer.exe WMI Queries: IWbemServices::ExecQuery - root\SecurityCenter2 : Select * from AntivirusProduct

Stealing of Sensitive Information
barindex
Yara detected XWorm
Source: Yara match File source: 0.2.103-o_Installer.exe.5390000.1.unpack, type: UNPACKEDPE
Source: Yara match File source: 0.2.103-o_Installer.exe.5390000.1.raw.unpack, type: UNPACKEDPE
Source: Yara match File source: 00000000.00000002.3672250082.0000000005390000.00000004.08000000.00040000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000002.3671692196.0000000003141000.00000004.00000800.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: Process Memory Space: 103-o_Installer.exe PID: 5508, type: MEMORYSTR

Remote Access Functionality
barindex
Yara detected XWorm
Source: Yara match File source: 0.2.103-o_Installer.exe.5390000.1.unpack, type: UNPACKEDPE
Source: Yara match File source: 0.2.103-o_Installer.exe.5390000.1.raw.unpack, type: UNPACKEDPE
Source: Yara match File source: 00000000.00000002.3672250082.0000000005390000.00000004.08000000.00040000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000002.3671692196.0000000003141000.00000004.00000800.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: Process Memory Space: 103-o_Installer.exe PID: 5508, 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: 1466308 Sample: 103-o_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 6 103-o_Installer.exe 16 2->6         started        signatures3 process4 dnsIp5 12 59.56.110.103, 49701, 7000 CHINATELECOM-FUJIAN-FUZHOU-IDC1FuzhouCN China 6->12 14 guanlix.cn 91.208.240.157, 49700, 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
59.56.110.103
 unknown China
133774 CHINATELECOM-FUJIAN-FUZHOU-IDC1FuzhouCN true

Contacted Domains

Name IP Active
guanlix.cn 91.208.240.157 true

Contacted URLs

Name Malicious Antivirus Detection Reputation
http://guanlix.cn:881/103.ccp false
  • Avira URL Cloud: safe
 unknown
59.56.110.103 true
  • Avira URL Cloud: safe
 unknown