Analysis
- max time kernel
148s - max time network
140s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
09/10/2026, 17:29
General
- Target jaffacakes118_Trojan-Dropper.Win32.Autit.aif.exe
- Size 412KB
- Sample261009-v2thfscs71
- SHA256 c4135530cb9acdd54e3d569d37cb8c630a18d0145a98656face9411c03c3025f
Malware Config
Signatures
- Creates a file in the Startup directory 1 TTPs 1 IoCs
A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.
- Suspicious use of SetThreadContext 1 IoCs
- UPX packed file 4 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Program crash 1 IoCs
- System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 6 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-Dropper.Win32.Autit.aif.exe"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-Dropper.Win32.Autit.aif.exe"1⤵
- Creates a file in the Startup 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\v4.0.30319\csc.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\kbfpir0w\kbfpir0w.cmdline"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES3222.tmp" "c:\Users\Admin\AppData\Local\Temp\kbfpir0w\CSC797FA96CA5247FFBBBFED57C6B36E56.TMP"3⤵
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3948 -s 5963⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3948 -ip 39481⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
RES3222.tmp
kbfpir0w.dll
kbfpir0w.pdb
CSC797FA96CA5247FFBBBFED57C6B36E56.TMP
kbfpir0w.0.cs
kbfpir0w.cmdline
memory/3948-29-0x0000000000400000-0x00000000004C9000-memory.dmp
memory/3948-26-0x0000000000400000-0x00000000004C9000-memory.dmp
memory/3948-24-0x0000000000400000-0x00000000004C9000-memory.dmp
memory/5100-18-0x0000000004E90000-0x0000000004F22000-memory.dmp
memory/5100-0-0x00000000741E2000-0x00000000741E3000-memory.dmp
memory/5100-19-0x00000000053D0000-0x000000000543A000-memory.dmp
memory/5100-20-0x0000000004E10000-0x0000000004E1C000-memory.dmp
memory/5100-22-0x0000000005440000-0x0000000005509000-memory.dmp
memory/5100-23-0x00000000056F0000-0x000000000578C000-memory.dmp
memory/5100-17-0x0000000004D40000-0x0000000004D48000-memory.dmp
memory/5100-5-0x00000000741D0000-0x000000007498C000-memory.dmp
memory/5100-27-0x00000000741D0000-0x000000007498C000-memory.dmp
memory/5100-1-0x00000000002B0000-0x000000000031C000-memory.dmp