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Analysis
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max time kernel
148s -
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
31/12/2024, 04:47
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_0538aabbafbdc672ee29999103d2e646.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
JaffaCakes118_0538aabbafbdc672ee29999103d2e646.exe
Resource
win10v2004-20241007-en
General
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Target
JaffaCakes118_0538aabbafbdc672ee29999103d2e646.exe
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Size
88KB
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MD5
0538aabbafbdc672ee29999103d2e646
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SHA1
8321c4c30f3b3a2f23ef37d2a6f800b7b498b9b8
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SHA256
b291618cedab53022101f79dd14b6436af986d724c0515317aaabf8b29736a84
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SHA512
2838fca01446d06fb4c8ddc7c3763da5487b3328a2fe44693f65797e44d1ea328f3f88d3ef394543ef75a1c491dad91542eb71bc5a672207ab94cd98d31e235d
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SSDEEP
1536:x5nfmIpxDWbUfd3aOPmxxEhvgCooXqRQqjh+rmKVsN:x5fvp12UFKcD/6jwqWsN
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-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\79BBF876 = "C:\\Users\\Admin\\AppData\\Roaming\\79BBF876\\bin.exe" winver.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 1332 4352 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_0538aabbafbdc672ee29999103d2e646.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winver.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4352 winver.exe 4352 winver.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeShutdownPrivilege 3492 Explorer.EXE Token: SeCreatePagefilePrivilege 3492 Explorer.EXE -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4352 winver.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3484 wrote to memory of 4352 3484 JaffaCakes118_0538aabbafbdc672ee29999103d2e646.exe 83 PID 3484 wrote to memory of 4352 3484 JaffaCakes118_0538aabbafbdc672ee29999103d2e646.exe 83 PID 3484 wrote to memory of 4352 3484 JaffaCakes118_0538aabbafbdc672ee29999103d2e646.exe 83 PID 3484 wrote to memory of 4352 3484 JaffaCakes118_0538aabbafbdc672ee29999103d2e646.exe 83 PID 4352 wrote to memory of 3492 4352 winver.exe 56 PID 4352 wrote to memory of 2988 4352 winver.exe 50
Processes
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C:\Windows\system32\sihost.exesihost.exe1⤵PID:2988
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3492 -
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0538aabbafbdc672ee29999103d2e646.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0538aabbafbdc672ee29999103d2e646.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3484 -
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:4352 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4352 -s 3524⤵
- Program crash
PID:1332
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 208 -p 4352 -ip 43521⤵PID:4772