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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
10/01/2025, 15:04
Behavioral task
behavioral1
Sample
JaffaCakes118_e73fa2f2c0e062f3aea89ee30b44d8c0.exe
Resource
win7-20241010-en
8 signatures
150 seconds
General
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Target
JaffaCakes118_e73fa2f2c0e062f3aea89ee30b44d8c0.exe
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Size
160KB
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MD5
e73fa2f2c0e062f3aea89ee30b44d8c0
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SHA1
30c8c7dc56a14cd22d00aa776803143a721ed4fc
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SHA256
67161efa34f8be295c8f952650e358debe503ddc38ab3fa08d456170050a9285
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SHA512
836ffcaa3f230792dee5fa51fdaafc9a0b87b3ae03b75027f0224431a7a8f6f227cfede11ccc53c57130025a98f34ffd326f20efdfec6a839e9c15637455570f
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SSDEEP
1536:gEY+mFM2HXKZgi0Iksu+XM5/HtAQ9J6xph:TY+4MiIkLZJNAQ9J6v
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-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\89DB92FE = "C:\\Users\\Admin\\AppData\\Roaming\\89DB92FE\\bin.exe" winver.exe -
resource yara_rule behavioral2/memory/4860-0-0x0000000000400000-0x0000000000428000-memory.dmp upx -
Program crash 1 IoCs
pid pid_target Process procid_target 424 1744 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 JaffaCakes118_e73fa2f2c0e062f3aea89ee30b44d8c0.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winver.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1744 winver.exe 1744 winver.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeShutdownPrivilege 3436 Explorer.EXE Token: SeCreatePagefilePrivilege 3436 Explorer.EXE -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1744 winver.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 4860 wrote to memory of 1744 4860 JaffaCakes118_e73fa2f2c0e062f3aea89ee30b44d8c0.exe 84 PID 4860 wrote to memory of 1744 4860 JaffaCakes118_e73fa2f2c0e062f3aea89ee30b44d8c0.exe 84 PID 4860 wrote to memory of 1744 4860 JaffaCakes118_e73fa2f2c0e062f3aea89ee30b44d8c0.exe 84 PID 4860 wrote to memory of 1744 4860 JaffaCakes118_e73fa2f2c0e062f3aea89ee30b44d8c0.exe 84 PID 1744 wrote to memory of 3436 1744 winver.exe 56 PID 1744 wrote to memory of 2332 1744 winver.exe 50 PID 1744 wrote to memory of 2952 1744 winver.exe 51
Processes
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C:\Windows\system32\sihost.exesihost.exe1⤵PID:2332
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc1⤵PID:2952
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3436 -
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e73fa2f2c0e062f3aea89ee30b44d8c0.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e73fa2f2c0e062f3aea89ee30b44d8c0.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4860 -
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:1744 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1744 -s 3564⤵
- Program crash
PID:424
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1744 -ip 17441⤵PID:2940