Windows Analysis Report
SharkHCShark.exe

Overview

General Information

Sample name: SharkHCShark.exe
Analysis ID: 1500381
MD5: 1714616095f0d3f62aac384222620ad5
SHA1: 31412d21c22f20efa0f5f57b45842d1df6db0c11
SHA256: 4788d6606f23c828bbaaad8f8d3418fa86d704fc35aabebd48db7de370fb0f3b
Tags: exe
Infos:

Detection

PureLog Stealer, zgRAT
Score: 100
Range: 0 - 100
Whitelisted: false
Confidence: 100%

Signatures

Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected PureLog Stealer
Yara detected zgRAT
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code contains very large array initializations
AI detected suspicious sample
Allocates memory in foreign processes
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
PE file contains section with special chars
Reads the System eventlog
Writes to foreign memory regions
Allocates memory with a write watch (potentially for evading sandboxes)
Contains functionality for execution timing, often used to detect debuggers
Contains functionality to call native functions
Contains functionality to check if a debugger is running (IsDebuggerPresent)
Contains functionality to query CPU information (cpuid)
Contains long sleeps (>= 3 min)
Creates a process in suspended mode (likely to inject code)
Detected potential crypto function
Drops PE files
Enables security privileges
Found dropped PE file which has not been started or loaded
Found large amount of non-executed APIs
JA3 SSL client fingerprint seen in connection with other malware
May sleep (evasive loops) to hinder dynamic analysis
PE file contains sections with non-standard names
Queries the volume information (name, serial number etc) of a device
Sample execution stops while process was sleeping (likely an evasion)
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

Name Description Attribution Blogpost URLs Link
zgRAT zgRAT is a Remote Access Trojan malware which sometimes drops other malware such as AgentTesla malware. zgRAT has an inforstealer use which targets browser information and cryptowallets.Usually spreads by USB or phishing emails with -zip/-lnk/.bat/.xlsx attachments and so on. No Attribution https://malpedia.caad.fkie.fraunhofer.de/details/win.zgrat

AV Detection
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Multi AV Scanner detection for submitted file
Source: SharkHCShark.exe Virustotal: Detection: 45% Perma Link
AI detected suspicious sample
Source: Submited Sample Integrated Neural Analysis Model: Matched 100.0% probability
Machine Learning detection for dropped file
Source: C:\Users\user\AppData\Roaming\d3d9x.dll Joe Sandbox ML: detected
Machine Learning detection for sample
Source: SharkHCShark.exe Joe Sandbox ML: detected
Uses 32bit PE files
Source: SharkHCShark.exe Static PE information: EXECUTABLE_IMAGE, 32BIT_MACHINE
Source: unknown HTTPS traffic detected: 40.126.31.71:443 -> 192.168.2.6:49722 version: TLS 1.2
Source: SharkHCShark.exe Static PE information: DYNAMIC_BASE, NX_COMPAT, NO_SEH, TERMINAL_SERVER_AWARE
Source: C:\Users\user\Desktop\SharkHCShark.exe Code function: 0_2_6D40B868 FindFirstFileExW, 0_2_6D40B868
JA3 SSL client fingerprint seen in connection with other malware
Source: Joe Sandbox View JA3 fingerprint: 28a2c9bd18a11de089ef85a160da29e4
Source: unknown TCP traffic detected without corresponding DNS query: 173.222.162.64
Source: unknown TCP traffic detected without corresponding DNS query: 173.222.162.64
Source: unknown TCP traffic detected without corresponding DNS query: 173.222.162.64
Source: unknown TCP traffic detected without corresponding DNS query: 173.222.162.64
Source: unknown TCP traffic detected without corresponding DNS query: 173.222.162.64
Source: unknown TCP traffic detected without corresponding DNS query: 173.222.162.64
Source: unknown TCP traffic detected without corresponding DNS query: 173.222.162.64
Source: unknown TCP traffic detected without corresponding DNS query: 40.126.31.71
Source: unknown TCP traffic detected without corresponding DNS query: 40.126.31.71
Source: unknown TCP traffic detected without corresponding DNS query: 40.126.31.71
Source: unknown TCP traffic detected without corresponding DNS query: 40.126.31.71
Source: unknown TCP traffic detected without corresponding DNS query: 40.126.31.71
Source: unknown TCP traffic detected without corresponding DNS query: 40.126.31.71
Source: unknown TCP traffic detected without corresponding DNS query: 40.126.31.71
Source: unknown TCP traffic detected without corresponding DNS query: 40.126.31.71
Source: unknown TCP traffic detected without corresponding DNS query: 40.126.31.71
Source: unknown TCP traffic detected without corresponding DNS query: 40.126.31.71
Source: unknown TCP traffic detected without corresponding DNS query: 40.126.31.71
Source: unknown TCP traffic detected without corresponding DNS query: 40.126.31.71
Source: unknown TCP traffic detected without corresponding DNS query: 2.19.126.137
Source: unknown TCP traffic detected without corresponding DNS query: 2.19.126.137
Source: unknown Network traffic detected: HTTP traffic on port 49674 -> 443
Source: unknown Network traffic detected: HTTP traffic on port 443 -> 49722
Source: unknown Network traffic detected: HTTP traffic on port 49673 -> 443
Source: unknown Network traffic detected: HTTP traffic on port 49672 -> 443
Source: unknown Network traffic detected: HTTP traffic on port 49705 -> 443
Source: unknown Network traffic detected: HTTP traffic on port 49722 -> 443
Source: unknown Network traffic detected: HTTP traffic on port 443 -> 49705
Source: unknown HTTPS traffic detected: 40.126.31.71:443 -> 192.168.2.6:49722 version: TLS 1.2

Spam, unwanted Advertisements and Ransom Demands
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Reads the System eventlog
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Key opened: HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\EventLog\System Jump to behavior

System Summary
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Malicious sample detected (through community Yara rule)
Source: 3.2.MSBuild.exe.400000.0.unpack, type: UNPACKEDPE Matched rule: Detects zgRAT Author: ditekSHen
Source: 0.2.SharkHCShark.exe.6d41a000.2.raw.unpack, type: UNPACKEDPE Matched rule: Detects zgRAT Author: ditekSHen
Source: 0.2.SharkHCShark.exe.6d41a000.2.unpack, type: UNPACKEDPE Matched rule: Detects zgRAT Author: ditekSHen
Source: 0.2.SharkHCShark.exe.6d3f0000.1.unpack, type: UNPACKEDPE Matched rule: Detects zgRAT Author: ditekSHen
Source: 00000000.00000002.2137887935.000000006D41A000.00000004.00000001.01000000.00000006.sdmp, type: MEMORY Matched rule: Detects zgRAT Author: ditekSHen
.NET source code contains very large array initializations
Source: 0.2.SharkHCShark.exe.6d41a000.2.raw.unpack, Strings.cs Large array initialization: Strings: array initializer size 6160
PE file contains section with special chars
Source: d3d9x.dll.0.dr Static PE information: section name: ."D9
Contains functionality to call native functions
Source: C:\Users\user\Desktop\SharkHCShark.exe Code function: 0_2_6D3F7FD0 GetModuleHandleW,NtQueryInformationProcess, 0_2_6D3F7FD0
Detected potential crypto function
Source: C:\Users\user\Desktop\SharkHCShark.exe Code function: 0_2_6D3F1410 0_2_6D3F1410
Source: C:\Users\user\Desktop\SharkHCShark.exe Code function: 0_2_6D3F1010 0_2_6D3F1010
Source: C:\Users\user\Desktop\SharkHCShark.exe Code function: 0_2_6D411E05 0_2_6D411E05
Source: C:\Users\user\Desktop\SharkHCShark.exe Code function: 0_2_6D3F82E0 0_2_6D3F82E0
Source: C:\Users\user\Desktop\SharkHCShark.exe Code function: 0_2_6D3F76E0 0_2_6D3F76E0
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Code function: 3_2_02A92069 3_2_02A92069
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Code function: 3_2_02BBEF38 3_2_02BBEF38
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Code function: 3_2_02BBEF28 3_2_02BBEF28
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Code function: 3_2_02BBCF54 3_2_02BBCF54
Enables security privileges
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Process token adjusted: Security Jump to behavior
Sample file is different than original file name gathered from version info
Source: SharkHCShark.exe, 00000000.00000000.2116964133.0000000000ECC000.00000002.00000001.01000000.00000003.sdmp Binary or memory string: OriginalFilenameIrisDiana776George.mscL vs SharkHCShark.exe
Source: SharkHCShark.exe, 00000000.00000002.2131097114.000000000160E000.00000004.00000020.00020000.00000000.sdmp Binary or memory string: OriginalFilenameclr.dllT vs SharkHCShark.exe
Source: SharkHCShark.exe, 00000000.00000002.2137887935.000000006D41A000.00000004.00000001.01000000.00000006.sdmp Binary or memory string: OriginalFilenameCoverlid.exe" vs SharkHCShark.exe
Source: SharkHCShark.exe Binary or memory string: OriginalFilenameIrisDiana776George.mscL vs SharkHCShark.exe
Uses 32bit PE files
Source: SharkHCShark.exe Static PE information: EXECUTABLE_IMAGE, 32BIT_MACHINE
Yara signature match
Source: 3.2.MSBuild.exe.400000.0.unpack, type: UNPACKEDPE Matched rule: MALWARE_Win_zgRAT author = ditekSHen, description = Detects zgRAT
Source: 0.2.SharkHCShark.exe.6d41a000.2.raw.unpack, type: UNPACKEDPE Matched rule: MALWARE_Win_zgRAT author = ditekSHen, description = Detects zgRAT
Source: 0.2.SharkHCShark.exe.6d41a000.2.unpack, type: UNPACKEDPE Matched rule: MALWARE_Win_zgRAT author = ditekSHen, description = Detects zgRAT
Source: 0.2.SharkHCShark.exe.6d3f0000.1.unpack, type: UNPACKEDPE Matched rule: MALWARE_Win_zgRAT author = ditekSHen, description = Detects zgRAT
Source: 00000000.00000002.2137887935.000000006D41A000.00000004.00000001.01000000.00000006.sdmp, type: MEMORY Matched rule: MALWARE_Win_zgRAT author = ditekSHen, description = Detects zgRAT
Source: 0.2.SharkHCShark.exe.6d41a000.2.raw.unpack, Strings.cs Cryptographic APIs: 'CreateDecryptor'
Source: 0.2.SharkHCShark.exe.6d41a000.2.raw.unpack, BjJ.cs Cryptographic APIs: 'TransformFinalBlock'
Source: 0.2.SharkHCShark.exe.6d41a000.2.raw.unpack, DiQ.cs Cryptographic APIs: 'CreateDecryptor'
Source: 0.2.SharkHCShark.exe.6d41a000.2.raw.unpack, Strings.cs Base64 encoded string: 'GS8nOSoENDQhFRISOAEyPDcLJig1PRkUJz4BVj4TOBknNToIDApYSxkFIBs9MTwPNRIjHjldHCQ9M1xE'
Source: classification engine Classification label: mal100.troj.evad.winEXE@4/3@0/0
Source: C:\Users\user\Desktop\SharkHCShark.exe File created: C:\Users\user\AppData\Roaming\d3d9x.dll Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Mutant created: NULL
Source: C:\Windows\System32\conhost.exe Mutant created: \Sessions\1\BaseNamedObjects\Local\SM0:3224:120:WilError_03
Source: SharkHCShark.exe Static PE information: Section: .text IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
Source: SharkHCShark.exe Static file information: TRID: Win32 Executable (generic) Net Framework (10011505/4) 49.83%
Source: C:\Users\user\Desktop\SharkHCShark.exe Key opened: HKEY_CURRENT_USER\Software\Policies\Microsoft\Windows\Safer\CodeIdentifiers Jump to behavior
Source: SharkHCShark.exe Virustotal: Detection: 45%
Source: unknown Process created: C:\Users\user\Desktop\SharkHCShark.exe "C:\Users\user\Desktop\SharkHCShark.exe"
Source: C:\Users\user\Desktop\SharkHCShark.exe Process created: C:\Windows\System32\conhost.exe C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
Source: C:\Users\user\Desktop\SharkHCShark.exe Process created: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
Source: C:\Users\user\Desktop\SharkHCShark.exe Process created: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe" Jump to behavior
Source: C:\Users\user\Desktop\SharkHCShark.exe Section loaded: mscoree.dll Jump to behavior
Source: C:\Users\user\Desktop\SharkHCShark.exe Section loaded: apphelp.dll Jump to behavior
Source: C:\Users\user\Desktop\SharkHCShark.exe Section loaded: kernel.appcore.dll Jump to behavior
Source: C:\Users\user\Desktop\SharkHCShark.exe Section loaded: version.dll Jump to behavior
Source: C:\Users\user\Desktop\SharkHCShark.exe Section loaded: vcruntime140_clr0400.dll Jump to behavior
Source: C:\Users\user\Desktop\SharkHCShark.exe Section loaded: ucrtbase_clr0400.dll Jump to behavior
Source: C:\Users\user\Desktop\SharkHCShark.exe Section loaded: ucrtbase_clr0400.dll Jump to behavior
Source: C:\Users\user\Desktop\SharkHCShark.exe Section loaded: windows.storage.dll Jump to behavior
Source: C:\Users\user\Desktop\SharkHCShark.exe Section loaded: wldp.dll Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Section loaded: mscoree.dll Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Section loaded: kernel.appcore.dll Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Section loaded: version.dll Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Section loaded: vcruntime140_clr0400.dll Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Section loaded: ucrtbase_clr0400.dll Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Section loaded: uxtheme.dll Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Section loaded: windows.storage.dll Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Section loaded: wldp.dll Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Section loaded: profapi.dll Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Section loaded: cryptsp.dll Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Section loaded: rsaenh.dll Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Section loaded: cryptbase.dll Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Section loaded: dwrite.dll Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Section loaded: textshaping.dll Jump to behavior
Source: SharkHCShark.exe Static PE information: data directory type: IMAGE_DIRECTORY_ENTRY_COM_DESCRIPTOR
Source: SharkHCShark.exe Static PE information: DYNAMIC_BASE, NX_COMPAT, NO_SEH, TERMINAL_SERVER_AWARE

Data Obfuscation
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.NET source code contains method to dynamically call methods (often used by packers)
Source: 0.2.SharkHCShark.exe.6d41a000.2.raw.unpack, DiQ.cs .Net Code: typeof(Marshal).GetMethod("GetDelegateForFunctionPointer", new Type[2]{typeof(IntPtr),typeof(Type)})
.NET source code contains potential unpacker
Source: 0.2.SharkHCShark.exe.6d41a000.2.raw.unpack, jFP.cs .Net Code: D4w
Source: 0.2.SharkHCShark.exe.6d41a000.2.raw.unpack, jFP.cs .Net Code: eBW
PE file contains sections with non-standard names
Source: d3d9x.dll.0.dr Static PE information: section name: ."D9
Uses code obfuscation techniques (call, push, ret)
Source: C:\Users\user\Desktop\SharkHCShark.exe Code function: 0_2_6D412534 push ecx; ret 0_2_6D412547
Source: SharkHCShark.exe Static PE information: section name: .text entropy: 7.109273724380006
Source: d3d9x.dll.0.dr Static PE information: section name: .text entropy: 6.834247127694947
Source: 0.2.SharkHCShark.exe.6d41a000.2.raw.unpack, jFP.cs High entropy of concatenated method names: 'PEZ', 'FEA', 'zER', 'JEQ', 'eEy', 'JE0', 'qEJ', 'BFf', 'JEb', 'CEX'
Drops PE files
Source: C:\Users\user\Desktop\SharkHCShark.exe File created: C:\Users\user\AppData\Roaming\d3d9x.dll Jump to dropped file
Source: C:\Users\user\Desktop\SharkHCShark.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\SharkHCShark.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\SharkHCShark.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\SharkHCShark.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\SharkHCShark.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\SharkHCShark.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\SharkHCShark.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\SharkHCShark.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\SharkHCShark.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\SharkHCShark.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\SharkHCShark.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\SharkHCShark.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\SharkHCShark.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\SharkHCShark.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Allocates memory with a write watch (potentially for evading sandboxes)
Source: C:\Users\user\Desktop\SharkHCShark.exe Memory allocated: 1850000 memory reserve | memory write watch Jump to behavior
Source: C:\Users\user\Desktop\SharkHCShark.exe Memory allocated: 32B0000 memory reserve | memory write watch Jump to behavior
Source: C:\Users\user\Desktop\SharkHCShark.exe Memory allocated: 1850000 memory reserve | memory write watch Jump to behavior
Source: C:\Users\user\Desktop\SharkHCShark.exe Memory allocated: 57F0000 memory reserve | memory write watch Jump to behavior
Source: C:\Users\user\Desktop\SharkHCShark.exe Memory allocated: 67F0000 memory reserve | memory write watch Jump to behavior
Source: C:\Users\user\Desktop\SharkHCShark.exe Memory allocated: 6920000 memory reserve | memory write watch Jump to behavior
Source: C:\Users\user\Desktop\SharkHCShark.exe Memory allocated: 7920000 memory reserve | memory write watch Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Memory allocated: 2A50000 memory reserve | memory write watch Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Memory allocated: 2CE0000 memory reserve | memory write watch Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Memory allocated: 2AF0000 memory reserve | memory write watch Jump to behavior
Contains functionality for execution timing, often used to detect debuggers
Source: C:\Users\user\Desktop\SharkHCShark.exe Code function: 0_2_6D3FA674 rdtsc 0_2_6D3FA674
Contains long sleeps (>= 3 min)
Source: C:\Users\user\Desktop\SharkHCShark.exe Thread delayed: delay time: 922337203685477 Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Thread delayed: delay time: 922337203685477 Jump to behavior
Found dropped PE file which has not been started or loaded
Source: C:\Users\user\Desktop\SharkHCShark.exe Dropped PE file which has not been started: C:\Users\user\AppData\Roaming\d3d9x.dll Jump to dropped file
Found large amount of non-executed APIs
Source: C:\Users\user\Desktop\SharkHCShark.exe API coverage: 9.9 %
May sleep (evasive loops) to hinder dynamic analysis
Source: C:\Users\user\Desktop\SharkHCShark.exe TID: 992 Thread sleep time: -922337203685477s >= -30000s Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe TID: 1836 Thread sleep time: -922337203685477s >= -30000s Jump to behavior
Sample execution stops while process was sleeping (likely an evasion)
Source: C:\Windows\System32\conhost.exe Last function: Thread delayed
Source: C:\Users\user\Desktop\SharkHCShark.exe Code function: 0_2_6D40B868 FindFirstFileExW, 0_2_6D40B868
Source: C:\Users\user\Desktop\SharkHCShark.exe Thread delayed: delay time: 922337203685477 Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Thread delayed: delay time: 922337203685477 Jump to behavior
Contains functionality for execution timing, often used to detect debuggers
Source: C:\Users\user\Desktop\SharkHCShark.exe Code function: 0_2_6D3FA674 rdtsc 0_2_6D3FA674
Contains functionality to check if a debugger is running (IsDebuggerPresent)
Source: C:\Users\user\Desktop\SharkHCShark.exe Code function: 0_2_6D40B1B7 IsDebuggerPresent,SetUnhandledExceptionFilter,UnhandledExceptionFilter, 0_2_6D40B1B7
Source: C:\Users\user\Desktop\SharkHCShark.exe Code function: 0_2_6D406D41 SetUnhandledExceptionFilter,UnhandledExceptionFilter,GetCurrentProcess,TerminateProcess, 0_2_6D406D41
Source: C:\Users\user\Desktop\SharkHCShark.exe Code function: 0_2_6D40B1B7 IsDebuggerPresent,SetUnhandledExceptionFilter,UnhandledExceptionFilter, 0_2_6D40B1B7
Source: C:\Users\user\Desktop\SharkHCShark.exe Code function: 0_2_6D40721A IsProcessorFeaturePresent,IsDebuggerPresent,SetUnhandledExceptionFilter,UnhandledExceptionFilter, 0_2_6D40721A
Source: C:\Users\user\Desktop\SharkHCShark.exe Memory allocated: page read and write | page guard Jump to behavior

HIPS / PFW / Operating System Protection Evasion
barindex
Allocates memory in foreign processes
Source: C:\Users\user\Desktop\SharkHCShark.exe Memory allocated: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe base: 400000 protect: page execute and read and write Jump to behavior
Injects a PE file into a foreign processes
Source: C:\Users\user\Desktop\SharkHCShark.exe Memory written: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe base: 400000 value starts with: 4D5A Jump to behavior
Writes to foreign memory regions
Source: C:\Users\user\Desktop\SharkHCShark.exe Memory written: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe base: 400000 Jump to behavior
Source: C:\Users\user\Desktop\SharkHCShark.exe Memory written: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe base: 402000 Jump to behavior
Source: C:\Users\user\Desktop\SharkHCShark.exe Memory written: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe base: 45E000 Jump to behavior
Source: C:\Users\user\Desktop\SharkHCShark.exe Memory written: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe base: 474000 Jump to behavior
Source: C:\Users\user\Desktop\SharkHCShark.exe Memory written: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe base: B5B008 Jump to behavior
Creates a process in suspended mode (likely to inject code)
Source: C:\Users\user\Desktop\SharkHCShark.exe Process created: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe" Jump to behavior
Contains functionality to query CPU information (cpuid)
Source: C:\Users\user\Desktop\SharkHCShark.exe Code function: 0_2_6D4073D8 cpuid 0_2_6D4073D8
Queries the volume information (name, serial number etc) of a device
Source: C:\Users\user\Desktop\SharkHCShark.exe Queries volume information: C:\Users\user\Desktop\SharkHCShark.exe VolumeInformation Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Queries volume information: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe VolumeInformation Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.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:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.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:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Queries volume information: C:\Windows\Microsoft.NET\assembly\GAC_MSIL\Accessibility\v4.0_4.0.0.0__b03f5f7f11d50a3a\Accessibility.dll VolumeInformation Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Queries volume information: C:\Windows\Fonts\micross.ttf VolumeInformation Jump to behavior
Source: C:\Users\user\Desktop\SharkHCShark.exe Code function: 0_2_6D406E63 GetSystemTimeAsFileTime,GetCurrentThreadId,GetCurrentProcessId,QueryPerformanceCounter, 0_2_6D406E63
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Key value queried: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Cryptography MachineGuid Jump to behavior

Stealing of Sensitive Information
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Yara detected PureLog Stealer
Source: Yara match File source: 3.2.MSBuild.exe.400000.0.unpack, type: UNPACKEDPE
Source: Yara match File source: 0.2.SharkHCShark.exe.6d41a000.2.raw.unpack, type: UNPACKEDPE
Source: Yara match File source: 0.2.SharkHCShark.exe.6d41a000.2.unpack, type: UNPACKEDPE
Source: Yara match File source: 0.2.SharkHCShark.exe.6d3f0000.1.unpack, type: UNPACKEDPE
Source: Yara match File source: 00000003.00000002.2125917148.0000000000402000.00000040.00000400.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000002.2137887935.000000006D41A000.00000004.00000001.01000000.00000006.sdmp, type: MEMORY
Yara detected zgRAT
Source: Yara match File source: 3.2.MSBuild.exe.400000.0.unpack, type: UNPACKEDPE
Source: Yara match File source: 0.2.SharkHCShark.exe.6d41a000.2.raw.unpack, type: UNPACKEDPE
Source: Yara match File source: 0.2.SharkHCShark.exe.6d41a000.2.unpack, type: UNPACKEDPE
Source: Yara match File source: 0.2.SharkHCShark.exe.6d3f0000.1.unpack, type: UNPACKEDPE
Source: Yara match File source: 00000000.00000002.2137887935.000000006D41A000.00000004.00000001.01000000.00000006.sdmp, type: MEMORY

Remote Access Functionality
barindex
Yara detected PureLog Stealer
Source: Yara match File source: 3.2.MSBuild.exe.400000.0.unpack, type: UNPACKEDPE
Source: Yara match File source: 0.2.SharkHCShark.exe.6d41a000.2.raw.unpack, type: UNPACKEDPE
Source: Yara match File source: 0.2.SharkHCShark.exe.6d41a000.2.unpack, type: UNPACKEDPE
Source: Yara match File source: 0.2.SharkHCShark.exe.6d3f0000.1.unpack, type: UNPACKEDPE
Source: Yara match File source: 00000003.00000002.2125917148.0000000000402000.00000040.00000400.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000002.2137887935.000000006D41A000.00000004.00000001.01000000.00000006.sdmp, type: MEMORY
Yara detected zgRAT
Source: Yara match File source: 3.2.MSBuild.exe.400000.0.unpack, type: UNPACKEDPE
Source: Yara match File source: 0.2.SharkHCShark.exe.6d41a000.2.raw.unpack, type: UNPACKEDPE
Source: Yara match File source: 0.2.SharkHCShark.exe.6d41a000.2.unpack, type: UNPACKEDPE
Source: Yara match File source: 0.2.SharkHCShark.exe.6d3f0000.1.unpack, type: UNPACKEDPE
Source: Yara match File source: 00000000.00000002.2137887935.000000006D41A000.00000004.00000001.01000000.00000006.sdmp, type: MEMORY
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 signatures2 2 Behavior Graph ID: 1500381 Sample: SharkHCShark.exe Startdate: 28/08/2024 Architecture: WINDOWS Score: 100 19 Malicious sample detected (through community Yara rule) 2->19 21 Multi AV Scanner detection for submitted file 2->21 23 Yara detected PureLog Stealer 2->23 25 8 other signatures 2->25 6 SharkHCShark.exe 3 2->6         started        process3 file4 15 C:\Users\user\AppData\Roaming\d3d9x.dll, PE32 6->15 dropped 17 C:\Users\user\...\SharkHCShark.exe.log, ASCII 6->17 dropped 27 Writes to foreign memory regions 6->27 29 Allocates memory in foreign processes 6->29 31 Injects a PE file into a foreign processes 6->31 10 MSBuild.exe 3 6->10         started        13 conhost.exe 6->13         started        signatures5 process6 signatures7 33 Reads the System eventlog 10->33
⊘No contacted IP infos

Contacted Domains

Name IP Active
bg.microsoft.map.fastly.net 199.232.210.172 true
fp2e7a.wpc.phicdn.net 192.229.221.95 true