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Analysis
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max time kernel
146s -
max time network
144s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
09/01/2025, 15:26
Behavioral task
behavioral1
Sample
JaffaCakes118_cba5cb767bab243da124616f665b53cc.exe
Resource
win7-20240903-en
8 signatures
150 seconds
General
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Target
JaffaCakes118_cba5cb767bab243da124616f665b53cc.exe
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Size
34KB
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MD5
cba5cb767bab243da124616f665b53cc
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SHA1
3e1157e71c5fb61bd7027c7c69a1fd420bc15330
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SHA256
0aad8e3326bb0685465cd130f41ad0774c040aa55333bfd8076fb0e194e710a9
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SHA512
03440b5531c6b3926df1521477a2149aba08ab535fd3bc0a3c847d8646f82e9fd99a49f1f861571c8175c15e2c70e1e2f2c8ea957e77171a4ff1935f31932beb
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SSDEEP
768:0p22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9J2:0pYoX58z1uirL98xMWnT0OQ9J2
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-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\B78FEA7D = "C:\\Users\\Admin\\AppData\\Roaming\\B78FEA7D\\bin.exe" winver.exe -
resource yara_rule behavioral2/memory/3652-0-0x0000000000400000-0x0000000000417000-memory.dmp upx -
Program crash 1 IoCs
pid pid_target Process procid_target 1548 1424 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_cba5cb767bab243da124616f665b53cc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winver.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1424 winver.exe 1424 winver.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeShutdownPrivilege 3516 Explorer.EXE Token: SeCreatePagefilePrivilege 3516 Explorer.EXE -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1424 winver.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3652 wrote to memory of 1424 3652 JaffaCakes118_cba5cb767bab243da124616f665b53cc.exe 84 PID 3652 wrote to memory of 1424 3652 JaffaCakes118_cba5cb767bab243da124616f665b53cc.exe 84 PID 3652 wrote to memory of 1424 3652 JaffaCakes118_cba5cb767bab243da124616f665b53cc.exe 84 PID 3652 wrote to memory of 1424 3652 JaffaCakes118_cba5cb767bab243da124616f665b53cc.exe 84 PID 1424 wrote to memory of 3516 1424 winver.exe 56 PID 1424 wrote to memory of 2596 1424 winver.exe 44
Processes
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C:\Windows\system32\sihost.exesihost.exe1⤵PID:2596
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3516 -
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_cba5cb767bab243da124616f665b53cc.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_cba5cb767bab243da124616f665b53cc.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3652 -
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:1424 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1424 -s 3524⤵
- Program crash
PID:1548
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1424 -ip 14241⤵PID:1036