Analysis
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max time kernel
148s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240705-en -
resource tags
arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system -
submitted
23/07/2024, 04:20
Behavioral task
behavioral1
Sample
661d78bb4c281c8b24c13d1878a703c8_JaffaCakes118.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
661d78bb4c281c8b24c13d1878a703c8_JaffaCakes118.exe
Resource
win10v2004-20240709-en
General
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Target
661d78bb4c281c8b24c13d1878a703c8_JaffaCakes118.exe
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Size
136KB
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MD5
661d78bb4c281c8b24c13d1878a703c8
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SHA1
31310b4891bbf41d98b0cd6a52332459434241ed
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SHA256
6c876ee3f5df4d231b45606b762148c78a5fd325c218ffe08044eb33e9e6b563
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SHA512
da49ff6ef2b29e3b2cd935325b1edacff28f9286653f7744737a4eb53ea3aca289ce032bdfa6f09872db61d6da9bb663b9464a635089563a7f33271876bec26b
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SSDEEP
3072:Ektoh5Bew+QMjv5bnz3cT+adE24rTfh4nc:EI2b4QMlb4T+H24vfL
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 2228 cmd.exe -
Executes dropped EXE 1 IoCs
pid Process 2588 vifzsk.exe -
resource yara_rule behavioral1/memory/756-3-0x0000000000400000-0x000000000042E000-memory.dmp vmprotect behavioral1/memory/756-0-0x0000000000400000-0x000000000042E000-memory.dmp vmprotect behavioral1/files/0x000e000000012025-4.dat vmprotect behavioral1/memory/2588-5-0x0000000000400000-0x000000000042E000-memory.dmp vmprotect behavioral1/memory/2588-8-0x0000000000400000-0x000000000042E000-memory.dmp vmprotect -
Drops file in System32 directory 2 IoCs
description ioc Process File created C:\Windows\SysWOW64\vifzsk.exe 661d78bb4c281c8b24c13d1878a703c8_JaffaCakes118.exe File opened for modification C:\Windows\SysWOW64\vifzsk.exe 661d78bb4c281c8b24c13d1878a703c8_JaffaCakes118.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 756 661d78bb4c281c8b24c13d1878a703c8_JaffaCakes118.exe 2588 vifzsk.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 756 661d78bb4c281c8b24c13d1878a703c8_JaffaCakes118.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 756 wrote to memory of 2228 756 661d78bb4c281c8b24c13d1878a703c8_JaffaCakes118.exe 32 PID 756 wrote to memory of 2228 756 661d78bb4c281c8b24c13d1878a703c8_JaffaCakes118.exe 32 PID 756 wrote to memory of 2228 756 661d78bb4c281c8b24c13d1878a703c8_JaffaCakes118.exe 32 PID 756 wrote to memory of 2228 756 661d78bb4c281c8b24c13d1878a703c8_JaffaCakes118.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\661d78bb4c281c8b24c13d1878a703c8_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\661d78bb4c281c8b24c13d1878a703c8_JaffaCakes118.exe"1⤵
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:756 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\661D78~1.EXE > nul2⤵
- Deletes itself
PID:2228
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C:\Windows\SysWOW64\vifzsk.exeC:\Windows\SysWOW64\vifzsk.exe1⤵
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
PID:2588
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
136KB
MD5661d78bb4c281c8b24c13d1878a703c8
SHA131310b4891bbf41d98b0cd6a52332459434241ed
SHA2566c876ee3f5df4d231b45606b762148c78a5fd325c218ffe08044eb33e9e6b563
SHA512da49ff6ef2b29e3b2cd935325b1edacff28f9286653f7744737a4eb53ea3aca289ce032bdfa6f09872db61d6da9bb663b9464a635089563a7f33271876bec26b