Analysis
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max time kernel
148s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240611-en -
resource tags
arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system -
submitted
26-06-2024 09:10
Behavioral task
behavioral1
Sample
1177b2c8fa306922217e149e421b4ada_JaffaCakes118.exe
Resource
win7-20240611-en
Behavioral task
behavioral2
Sample
1177b2c8fa306922217e149e421b4ada_JaffaCakes118.exe
Resource
win10v2004-20240611-en
General
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Target
1177b2c8fa306922217e149e421b4ada_JaffaCakes118.exe
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Size
110KB
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MD5
1177b2c8fa306922217e149e421b4ada
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SHA1
b1f3d0ce1c79d18c3566ddd9ba837f55c4f4871f
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SHA256
e7c0221f75428b89a4f575c70e13de01027622efc699c6ec03179c62e11c5e4f
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SHA512
329e73b1132dd72a837d89bb3848e0e946270dbc803b0d1f70be2a76b4761b8cf4b6958b1967b91e69ef1b2fc359754a39ebf68359368e02a3d018ac22a7bef3
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SSDEEP
1536:vr7N+R51IbutXWNsoWnDlo2vsb35cOHk4UKauFDZy1UkvMolOGdpCWa/WaS:vr7N+tIbIXWqzi2EbpcOE4hzoMolOyb
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 2700 cmd.exe -
Executes dropped EXE 1 IoCs
pid Process 2420 kkaaya.exe -
resource yara_rule behavioral1/memory/1408-0-0x0000000000400000-0x000000000042C000-memory.dmp vmprotect behavioral1/memory/1408-1-0x0000000000400000-0x000000000042C000-memory.dmp vmprotect behavioral1/files/0x000c0000000144e4-3.dat vmprotect behavioral1/memory/2420-4-0x0000000000400000-0x000000000042C000-memory.dmp vmprotect behavioral1/memory/1408-6-0x0000000000400000-0x000000000042C000-memory.dmp vmprotect behavioral1/memory/2420-7-0x0000000000400000-0x000000000042C000-memory.dmp vmprotect -
Drops file in System32 directory 2 IoCs
description ioc Process File created C:\Windows\SysWOW64\kkaaya.exe 1177b2c8fa306922217e149e421b4ada_JaffaCakes118.exe File opened for modification C:\Windows\SysWOW64\kkaaya.exe 1177b2c8fa306922217e149e421b4ada_JaffaCakes118.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 1408 1177b2c8fa306922217e149e421b4ada_JaffaCakes118.exe 2420 kkaaya.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 1408 1177b2c8fa306922217e149e421b4ada_JaffaCakes118.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1408 wrote to memory of 2700 1408 1177b2c8fa306922217e149e421b4ada_JaffaCakes118.exe 29 PID 1408 wrote to memory of 2700 1408 1177b2c8fa306922217e149e421b4ada_JaffaCakes118.exe 29 PID 1408 wrote to memory of 2700 1408 1177b2c8fa306922217e149e421b4ada_JaffaCakes118.exe 29 PID 1408 wrote to memory of 2700 1408 1177b2c8fa306922217e149e421b4ada_JaffaCakes118.exe 29
Processes
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C:\Users\Admin\AppData\Local\Temp\1177b2c8fa306922217e149e421b4ada_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\1177b2c8fa306922217e149e421b4ada_JaffaCakes118.exe"1⤵
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1408 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\1177B2~1.EXE > nul2⤵
- Deletes itself
PID:2700
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C:\Windows\SysWOW64\kkaaya.exeC:\Windows\SysWOW64\kkaaya.exe1⤵
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
PID:2420
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
110KB
MD51177b2c8fa306922217e149e421b4ada
SHA1b1f3d0ce1c79d18c3566ddd9ba837f55c4f4871f
SHA256e7c0221f75428b89a4f575c70e13de01027622efc699c6ec03179c62e11c5e4f
SHA512329e73b1132dd72a837d89bb3848e0e946270dbc803b0d1f70be2a76b4761b8cf4b6958b1967b91e69ef1b2fc359754a39ebf68359368e02a3d018ac22a7bef3