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Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
03/01/2025, 19:27
Behavioral task
behavioral1
Sample
JaffaCakes118_6efd43be666f05f015be314ccd641eec.exe
Resource
win7-20240903-en
8 signatures
150 seconds
General
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Target
JaffaCakes118_6efd43be666f05f015be314ccd641eec.exe
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Size
34KB
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MD5
6efd43be666f05f015be314ccd641eec
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SHA1
67185dc03bceeb3d9ad751496efb9afee239f415
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SHA256
09df636c3723f22896fa4fb31818ff513e8d997b0f21109a8259ee5d683bf805
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SHA512
50476af1024c4f1d4f251b62ed20dda53f481dd0cdd819335616bb6a503143592f9379cae26a28e15225b8fe979c8643f6e10467bb942e4a61b1fa02c0cc882e
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SSDEEP
768:Mp22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9J2:MpYoX58z1uirL98xMWnT0OQ9J2
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-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\32F686CF = "C:\\Users\\Admin\\AppData\\Roaming\\32F686CF\\bin.exe" winver.exe -
resource yara_rule behavioral2/memory/4448-0-0x0000000000400000-0x0000000000417000-memory.dmp upx -
Program crash 1 IoCs
pid pid_target Process procid_target 2564 4912 WerFault.exe 83 -
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_6efd43be666f05f015be314ccd641eec.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winver.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4912 winver.exe 4912 winver.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeShutdownPrivilege 3444 Explorer.EXE Token: SeCreatePagefilePrivilege 3444 Explorer.EXE -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4912 winver.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4448 wrote to memory of 4912 4448 JaffaCakes118_6efd43be666f05f015be314ccd641eec.exe 83 PID 4448 wrote to memory of 4912 4448 JaffaCakes118_6efd43be666f05f015be314ccd641eec.exe 83 PID 4448 wrote to memory of 4912 4448 JaffaCakes118_6efd43be666f05f015be314ccd641eec.exe 83 PID 4448 wrote to memory of 4912 4448 JaffaCakes118_6efd43be666f05f015be314ccd641eec.exe 83 PID 4912 wrote to memory of 3444 4912 winver.exe 56 PID 4912 wrote to memory of 2940 4912 winver.exe 49
Processes
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C:\Windows\system32\sihost.exesihost.exe1⤵PID:2940
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3444 -
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6efd43be666f05f015be314ccd641eec.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6efd43be666f05f015be314ccd641eec.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4448 -
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:4912 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4912 -s 3524⤵
- Program crash
PID:2564
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4912 -ip 49121⤵PID:3004