Analysis
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max time kernel
149s -
max time network
151s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
06-07-2024 14:52
Behavioral task
behavioral1
Sample
288d9855e9de0cfcee73d02fef6668af_JaffaCakes118.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
288d9855e9de0cfcee73d02fef6668af_JaffaCakes118.exe
Resource
win10v2004-20240704-en
General
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Target
288d9855e9de0cfcee73d02fef6668af_JaffaCakes118.exe
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Size
62KB
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MD5
288d9855e9de0cfcee73d02fef6668af
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SHA1
4f9ee64a5cc262d70609e374bdcef803a28208ac
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SHA256
edea0666049c8171aa39ffce3298aa835e3f95e945addcaa40c4c9340dd61cb7
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SHA512
0eb220991f9e2f36df5c28ccf0446eddb98cde6e9168c37cba4aabb2df1f909299524153d79ccd7997fb92a12f4a85a13d988fab0221b41f809914192296fd12
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SSDEEP
1536:WgWb2Gqbk9PlkkUuclk70Ea2meX+zhdQzjM:WRn9PlnUQ4LiIhoM
Malware Config
Extracted
metasploit
encoder/call4_dword_xor
Signatures
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MetaSploit
Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.
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Adds policy Run key to start application 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run 288d9855e9de0cfcee73d02fef6668af_JaffaCakes118.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Microsoft Driver Setup = "C:\\Windows\\WindowsUpdate.exe" 288d9855e9de0cfcee73d02fef6668af_JaffaCakes118.exe -
Executes dropped EXE 1 IoCs
pid Process 3004 WindowsUpdate.exe -
resource yara_rule behavioral1/memory/2320-0-0x0000000000400000-0x0000000000462000-memory.dmp upx behavioral1/files/0x000d000000012331-8.dat upx behavioral1/memory/3004-9-0x0000000000230000-0x0000000000292000-memory.dmp upx behavioral1/memory/3004-11-0x0000000000400000-0x0000000000462000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Microsoft Driver Setup = "C:\\Windows\\WindowsUpdate.exe" 288d9855e9de0cfcee73d02fef6668af_JaffaCakes118.exe -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\WindowsUpdate.exe 288d9855e9de0cfcee73d02fef6668af_JaffaCakes118.exe File opened for modification C:\Windows\WindowsUpdate.exe 288d9855e9de0cfcee73d02fef6668af_JaffaCakes118.exe File created C:\Windows\log32.txt WindowsUpdate.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2320 288d9855e9de0cfcee73d02fef6668af_JaffaCakes118.exe 2320 288d9855e9de0cfcee73d02fef6668af_JaffaCakes118.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2320 wrote to memory of 3004 2320 288d9855e9de0cfcee73d02fef6668af_JaffaCakes118.exe 28 PID 2320 wrote to memory of 3004 2320 288d9855e9de0cfcee73d02fef6668af_JaffaCakes118.exe 28 PID 2320 wrote to memory of 3004 2320 288d9855e9de0cfcee73d02fef6668af_JaffaCakes118.exe 28 PID 2320 wrote to memory of 3004 2320 288d9855e9de0cfcee73d02fef6668af_JaffaCakes118.exe 28 PID 2320 wrote to memory of 3004 2320 288d9855e9de0cfcee73d02fef6668af_JaffaCakes118.exe 28 PID 2320 wrote to memory of 3004 2320 288d9855e9de0cfcee73d02fef6668af_JaffaCakes118.exe 28 PID 2320 wrote to memory of 3004 2320 288d9855e9de0cfcee73d02fef6668af_JaffaCakes118.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\288d9855e9de0cfcee73d02fef6668af_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\288d9855e9de0cfcee73d02fef6668af_JaffaCakes118.exe"1⤵
- Adds policy Run key to start application
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2320 -
C:\Windows\WindowsUpdate.exe"C:\Windows\WindowsUpdate.exe"2⤵
- Executes dropped EXE
- Drops file in Windows directory
PID:3004
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
62KB
MD5288d9855e9de0cfcee73d02fef6668af
SHA14f9ee64a5cc262d70609e374bdcef803a28208ac
SHA256edea0666049c8171aa39ffce3298aa835e3f95e945addcaa40c4c9340dd61cb7
SHA5120eb220991f9e2f36df5c28ccf0446eddb98cde6e9168c37cba4aabb2df1f909299524153d79ccd7997fb92a12f4a85a13d988fab0221b41f809914192296fd12