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Analysis
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max time kernel
142s -
max time network
99s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
05/01/2025, 03:59
Behavioral task
behavioral1
Sample
JaffaCakes118_8a0e1db4ac2c0a519dce86a7ab27fca5.exe
Resource
win7-20240903-en
8 signatures
150 seconds
General
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Target
JaffaCakes118_8a0e1db4ac2c0a519dce86a7ab27fca5.exe
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Size
89KB
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MD5
8a0e1db4ac2c0a519dce86a7ab27fca5
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SHA1
c8f4c0e855b2a4926deb0b5f3306039e7b1d4148
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SHA256
b5ac78837b825c7555b4e63cc52dc3dfb33c342d9141413f413f203b34dc7df8
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SHA512
f702d49355fac07502b9e29478917705aa374413b53998bd286a2622a3c7ff2942a959bf1479bb7ec0bf82561d2e99e7ac1512b84f9d616a66975c2bd4af2e33
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SSDEEP
1536:pr+mFM2HXKZgixhIksu+XM5/HtAQ9Jox7e:t+4MJIkLZJNAQ9Jo9e
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-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\89389BA6 = "C:\\Users\\Admin\\AppData\\Roaming\\89389BA6\\bin.exe" winver.exe -
resource yara_rule behavioral2/memory/3320-0-0x0000000000400000-0x0000000000418000-memory.dmp upx -
Program crash 1 IoCs
pid pid_target Process procid_target 4212 4552 WerFault.exe 85 -
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_8a0e1db4ac2c0a519dce86a7ab27fca5.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winver.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4552 winver.exe 4552 winver.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeShutdownPrivilege 3520 Explorer.EXE Token: SeCreatePagefilePrivilege 3520 Explorer.EXE -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4552 winver.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3320 wrote to memory of 4552 3320 JaffaCakes118_8a0e1db4ac2c0a519dce86a7ab27fca5.exe 85 PID 3320 wrote to memory of 4552 3320 JaffaCakes118_8a0e1db4ac2c0a519dce86a7ab27fca5.exe 85 PID 3320 wrote to memory of 4552 3320 JaffaCakes118_8a0e1db4ac2c0a519dce86a7ab27fca5.exe 85 PID 3320 wrote to memory of 4552 3320 JaffaCakes118_8a0e1db4ac2c0a519dce86a7ab27fca5.exe 85 PID 4552 wrote to memory of 3520 4552 winver.exe 56 PID 4552 wrote to memory of 2652 4552 winver.exe 44
Processes
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C:\Windows\system32\sihost.exesihost.exe1⤵PID:2652
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3520 -
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8a0e1db4ac2c0a519dce86a7ab27fca5.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8a0e1db4ac2c0a519dce86a7ab27fca5.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3320 -
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:4552 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4552 -s 3564⤵
- Program crash
PID:4212
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4552 -ip 45521⤵PID:4876