Analysis
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max time kernel
149s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
19-04-2024 09:12
Static task
static1
Behavioral task
behavioral1
Sample
f9fb08ed4f08993119ae5e8b299ea601_JaffaCakes118.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
f9fb08ed4f08993119ae5e8b299ea601_JaffaCakes118.exe
Resource
win10v2004-20240412-en
General
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Target
f9fb08ed4f08993119ae5e8b299ea601_JaffaCakes118.exe
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Size
51KB
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MD5
f9fb08ed4f08993119ae5e8b299ea601
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SHA1
a48a9c554e9ae628d93d81d69cc9aa193bedef64
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SHA256
d4849995e9cf86d8a9bb9b7f87fda789434ac7c4358cf2c1fe99ccbe01af361b
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SHA512
ebdc8fe0c817049e8a63238ae62b593d412d04559c5d534071602b168d7f9b67e5185473b46022b94bd6472562cc79067501e389c930e56df45d611a455c00be
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SSDEEP
1536:uI1trRSGvB+c9ukzEF6q0J5mAE1oVW+EDkQI:uWrYyBNo25mAESVWPAd
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 f9fb08ed4f08993119ae5e8b299ea601_JaffaCakes118.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Microsoft Driver Setup = "C:\\Windows\\msudp32.exe" f9fb08ed4f08993119ae5e8b299ea601_JaffaCakes118.exe -
Executes dropped EXE 2 IoCs
pid Process 4464 msudp32.exe 4272 msudp32.exe -
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\\msudp32.exe" f9fb08ed4f08993119ae5e8b299ea601_JaffaCakes118.exe -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 1676 set thread context of 4860 1676 f9fb08ed4f08993119ae5e8b299ea601_JaffaCakes118.exe 81 PID 4464 set thread context of 4272 4464 msudp32.exe 86 -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\msudp32.exe f9fb08ed4f08993119ae5e8b299ea601_JaffaCakes118.exe File opened for modification C:\Windows\msudp32.exe f9fb08ed4f08993119ae5e8b299ea601_JaffaCakes118.exe File created C:\Windows\logfile32.txt msudp32.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 4860 f9fb08ed4f08993119ae5e8b299ea601_JaffaCakes118.exe 4860 f9fb08ed4f08993119ae5e8b299ea601_JaffaCakes118.exe 4860 f9fb08ed4f08993119ae5e8b299ea601_JaffaCakes118.exe 4860 f9fb08ed4f08993119ae5e8b299ea601_JaffaCakes118.exe -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 1676 wrote to memory of 4860 1676 f9fb08ed4f08993119ae5e8b299ea601_JaffaCakes118.exe 81 PID 1676 wrote to memory of 4860 1676 f9fb08ed4f08993119ae5e8b299ea601_JaffaCakes118.exe 81 PID 1676 wrote to memory of 4860 1676 f9fb08ed4f08993119ae5e8b299ea601_JaffaCakes118.exe 81 PID 1676 wrote to memory of 4860 1676 f9fb08ed4f08993119ae5e8b299ea601_JaffaCakes118.exe 81 PID 1676 wrote to memory of 4860 1676 f9fb08ed4f08993119ae5e8b299ea601_JaffaCakes118.exe 81 PID 1676 wrote to memory of 4860 1676 f9fb08ed4f08993119ae5e8b299ea601_JaffaCakes118.exe 81 PID 1676 wrote to memory of 4860 1676 f9fb08ed4f08993119ae5e8b299ea601_JaffaCakes118.exe 81 PID 4860 wrote to memory of 4464 4860 f9fb08ed4f08993119ae5e8b299ea601_JaffaCakes118.exe 85 PID 4860 wrote to memory of 4464 4860 f9fb08ed4f08993119ae5e8b299ea601_JaffaCakes118.exe 85 PID 4860 wrote to memory of 4464 4860 f9fb08ed4f08993119ae5e8b299ea601_JaffaCakes118.exe 85 PID 4464 wrote to memory of 4272 4464 msudp32.exe 86 PID 4464 wrote to memory of 4272 4464 msudp32.exe 86 PID 4464 wrote to memory of 4272 4464 msudp32.exe 86 PID 4464 wrote to memory of 4272 4464 msudp32.exe 86 PID 4464 wrote to memory of 4272 4464 msudp32.exe 86 PID 4464 wrote to memory of 4272 4464 msudp32.exe 86 PID 4464 wrote to memory of 4272 4464 msudp32.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\f9fb08ed4f08993119ae5e8b299ea601_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\f9fb08ed4f08993119ae5e8b299ea601_JaffaCakes118.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1676 -
C:\Users\Admin\AppData\Local\Temp\f9fb08ed4f08993119ae5e8b299ea601_JaffaCakes118.exeC:\Users\Admin\AppData\Local\Temp\f9fb08ed4f08993119ae5e8b299ea601_JaffaCakes118.exe2⤵
- 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:4860 -
C:\Windows\msudp32.exe"C:\Windows\msudp32.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4464 -
C:\Windows\msudp32.exeC:\Windows\msudp32.exe4⤵
- Executes dropped EXE
- Drops file in Windows directory
PID:4272
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
51KB
MD5f9fb08ed4f08993119ae5e8b299ea601
SHA1a48a9c554e9ae628d93d81d69cc9aa193bedef64
SHA256d4849995e9cf86d8a9bb9b7f87fda789434ac7c4358cf2c1fe99ccbe01af361b
SHA512ebdc8fe0c817049e8a63238ae62b593d412d04559c5d534071602b168d7f9b67e5185473b46022b94bd6472562cc79067501e389c930e56df45d611a455c00be