Analysis
- max time kernel
150s - max time network
113s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
21/09/2026, 18:11
General
- Target jaffacakes118_36746ef383bf0dd663bfcf5c07f69f6e.exe
- Size 1.3MB
- Sample260921-wstmjay1ev
- SHA256 5297b1ab228d13444d3ed052b9329528b9bc65cc005f73a396fd2ebd516be0c4
Malware Config
Extracted
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darkcomet
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Guest16
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127.0.0.1:1604
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DC_MUTEX-F54S21D
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gencode
xmUqXbs.-svP
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install
false
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offline_keylogger
false
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persistence
false
Signatures
- Family: Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
- Drops file in Drivers directory 1 IoCs
- Uses the VBS compiler for execution 1 TTPs
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Executes a command shell one-liner 1 TTPs 1 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
- Program crash 1 IoCs
- System Location Discovery: System Language Discovery 1 TTPs 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Gathers network information 2 TTPs 1 IoCs
Uses commandline utility to view network configuration.
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 13 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\jaffacakes118_36746ef383bf0dd663bfcf5c07f69f6e.exe"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_36746ef383bf0dd663bfcf5c07f69f6e.exe"1⤵
- Drops file in Drivers directory
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\caza1mk3.cmdline"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exeC:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES80C0.tmp" "c:\Users\Admin\AppData\Local\Temp\CSC80BF.tmp"3⤵
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeC:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe2⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 956 -s 283⤵
- Program crash
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\DNS.bat" "2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\ipconfig.exeipconfig /flushdnsipconfig/releaseipconfig/renew3⤵
- System Location Discovery: System Language Discovery
- Gathers network information
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 956 -ip 9561⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
DNS.bat
RES80C0.tmp
caza1mk3.dll
hosts
CSC80BF.tmp
caza1mk3.0.cs
caza1mk3.cmdline
memory/956-17-0x0000000013140000-0x00000000131F6000-memory.dmp
memory/3836-10-0x0000000074DF0000-0x0000000075411000-memory.dmp
memory/3836-15-0x0000000074DF0000-0x0000000075411000-memory.dmp
memory/4864-1-0x0000000074DF2000-0x0000000074DF4000-memory.dmp
memory/4864-2-0x0000000074DF0000-0x0000000075411000-memory.dmp
memory/4864-0-0x0000000000F30000-0x0000000000F40000-memory.dmp
memory/4864-44-0x0000000000F30000-0x0000000000F40000-memory.dmp
memory/4864-46-0x0000000074DF2000-0x0000000074DF4000-memory.dmp
memory/4864-47-0x0000000074DF0000-0x0000000075411000-memory.dmp