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Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
11/01/2025, 00:42
Behavioral task
behavioral1
Sample
JaffaCakes118_f289c83746a93cde20b78d781f4e59d4.exe
Resource
win7-20240903-en
8 signatures
150 seconds
General
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Target
JaffaCakes118_f289c83746a93cde20b78d781f4e59d4.exe
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Size
34KB
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MD5
f289c83746a93cde20b78d781f4e59d4
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SHA1
5407cac585162fab01e19ec06dc5300c6229bba6
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SHA256
a5a707fd5fb89d090d421259fb2bd2c96f95b1947fccace1db372cea6a5e2309
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SHA512
db1aa4180254aafc8c3df6a396f991c64af9d4aa95e9967f77e98060b35bb7e70ac481ff13ee4238ff586948d78353f890f033ce43a3a08a9018269e9dc8bfc0
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SSDEEP
768:ip22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9J2:ipYoX58z1uirL98xMWnT0OQ9J2
Malware Config
Signatures
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Tinba family
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\337774C4 = "C:\\Users\\Admin\\AppData\\Roaming\\337774C4\\bin.exe" winver.exe -
resource yara_rule behavioral2/memory/664-0-0x0000000000400000-0x0000000000417000-memory.dmp upx -
Program crash 1 IoCs
pid pid_target Process procid_target 3316 2512 WerFault.exe 84 -
System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winver.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_f289c83746a93cde20b78d781f4e59d4.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2512 winver.exe 2512 winver.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeShutdownPrivilege 3420 Explorer.EXE Token: SeCreatePagefilePrivilege 3420 Explorer.EXE -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2512 winver.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 664 wrote to memory of 2512 664 JaffaCakes118_f289c83746a93cde20b78d781f4e59d4.exe 84 PID 664 wrote to memory of 2512 664 JaffaCakes118_f289c83746a93cde20b78d781f4e59d4.exe 84 PID 664 wrote to memory of 2512 664 JaffaCakes118_f289c83746a93cde20b78d781f4e59d4.exe 84 PID 664 wrote to memory of 2512 664 JaffaCakes118_f289c83746a93cde20b78d781f4e59d4.exe 84 PID 2512 wrote to memory of 3420 2512 winver.exe 56 PID 2512 wrote to memory of 2836 2512 winver.exe 49
Processes
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C:\Windows\system32\sihost.exesihost.exe1⤵PID:2836
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3420 -
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f289c83746a93cde20b78d781f4e59d4.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f289c83746a93cde20b78d781f4e59d4.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:664 -
C:\Windows\SysWOW64\winver.exewinver3⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2512 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2512 -s 3524⤵
- Program crash
PID:3316
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2512 -ip 25121⤵PID:2232