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Analysis
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max time kernel
148s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
25/05/2024, 01:43
Static task
static1
Behavioral task
behavioral1
Sample
70789b0e45a82b9a0915d1900dc16d66_JaffaCakes118.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
70789b0e45a82b9a0915d1900dc16d66_JaffaCakes118.exe
Resource
win10v2004-20240426-en
General
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Target
70789b0e45a82b9a0915d1900dc16d66_JaffaCakes118.exe
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Size
66KB
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MD5
70789b0e45a82b9a0915d1900dc16d66
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SHA1
a14fc70b59a35381f1baa32557e92bb67eba8971
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SHA256
9e8604e30c32f7975efb0773e8ab04485840685312d0f3623824af0407c539a0
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SHA512
8f395d1f6b903847accc6fa8b48b1d46f14a924b92acf880884c287c2145684adeb8468ff567a7751595c79a42605a17ae9e62052503edc26bdc55970fb75aec
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SSDEEP
1536:5MPXEmAiRm2VfvmNFnToIf6HTRLar5ZINrWKym:m9Vfv6tTBfoTRLar5ZINrWKym
Malware Config
Signatures
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Sets DLL path for service in the registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\MediaCenter\Parameters\ServiceDll = "C:\\Windows\\system32\\RemttwC.dll" 70789b0e45a82b9a0915d1900dc16d66_JaffaCakes118.exe -
Deletes itself 1 IoCs
pid Process 2464 cmd.exe -
Loads dropped DLL 2 IoCs
pid Process 2264 70789b0e45a82b9a0915d1900dc16d66_JaffaCakes118.exe 1936 svchost.exe -
Drops file in System32 directory 1 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\RemttwC.dll 70789b0e45a82b9a0915d1900dc16d66_JaffaCakes118.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 2264 70789b0e45a82b9a0915d1900dc16d66_JaffaCakes118.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2264 wrote to memory of 2464 2264 70789b0e45a82b9a0915d1900dc16d66_JaffaCakes118.exe 30 PID 2264 wrote to memory of 2464 2264 70789b0e45a82b9a0915d1900dc16d66_JaffaCakes118.exe 30 PID 2264 wrote to memory of 2464 2264 70789b0e45a82b9a0915d1900dc16d66_JaffaCakes118.exe 30 PID 2264 wrote to memory of 2464 2264 70789b0e45a82b9a0915d1900dc16d66_JaffaCakes118.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\70789b0e45a82b9a0915d1900dc16d66_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\70789b0e45a82b9a0915d1900dc16d66_JaffaCakes118.exe"1⤵
- Sets DLL path for service in the registry
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2264 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\70789B~1.EXE > nul2⤵
- Deletes itself
PID:2464
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C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k krnlsrvc1⤵PID:2460
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C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k krnlsrvc1⤵
- Loads dropped DLL
PID:1936
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
60KB
MD571d4e061549c64eb4cf18548d1050f96
SHA10f5244db96cc5f93c2e1ec20b139fae3378721fd
SHA256d7b94347d41bc6898248f9b1b679cb75795e50757fddff09f134bc91c84bdaef
SHA51227f0f44db2c5ad37f629c7c115561286ef40a9838375a0e47da2f953fca782e40b748b136eebbf4211ce4cb0ccfb05b2352e40ff88789137ce24bc50f9f7d431