Analysis
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max time kernel
122s -
max time network
125s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
10-04-2024 23:07
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
ec2f7a848784b8637ee6fb13002790f5_JaffaCakes118.exe
Resource
win7-20240221-en
windows7-x64
4 signatures
150 seconds
Behavioral task
behavioral2
Sample
ec2f7a848784b8637ee6fb13002790f5_JaffaCakes118.exe
Resource
win10v2004-20231215-en
windows10-2004-x64
7 signatures
150 seconds
General
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Target
ec2f7a848784b8637ee6fb13002790f5_JaffaCakes118.exe
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Size
82KB
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MD5
ec2f7a848784b8637ee6fb13002790f5
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SHA1
cda368ce8f5511bc7afcdaa6b09456c3cd7eccf8
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SHA256
56920efe7a4fb47c09c0f63a8b29253f5e546ad59405f037ed4deea884b36d2d
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SHA512
3d2f8bcaa5dd7afaf4d971333dec587e7d878bb724aa3cf85a23a605f75e7df4443d064f12158561726902d3add0074d2e215820615eaaf3f4c392315f7cb4b4
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SSDEEP
1536:OifRUsHlDV+zeUkuVmOF5WROK6AHUdWo0sJIltIMrpVdB7uBN9ZFfa:OiJUg+zeEWROK6OUdWo0sStpVoDFfa
Score
7/10
Malware Config
Signatures
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Uses the VBS compiler for execution 1 TTPs
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Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3787592910-3720486031-2929222812-1000\Software\Microsoft\Windows\CurrentVersion\Run\Java Update = "C:\\Users\\Admin\\AppData\\Roaming\\L3G!T-Labs\\jdvs\\0.0.0.0\\Java Update.exe" ec2f7a848784b8637ee6fb13002790f5_JaffaCakes118.exe Set value (str) \REGISTRY\USER\S-1-5-21-3787592910-3720486031-2929222812-1000\Software\Microsoft\Windows\CurrentVersion\Run\rundll32 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\\\rundll32.exe" ec2f7a848784b8637ee6fb13002790f5_JaffaCakes118.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1632 set thread context of 2156 1632 ec2f7a848784b8637ee6fb13002790f5_JaffaCakes118.exe 28 -
Suspicious use of WriteProcessMemory 13 IoCs
description pid Process procid_target PID 1632 wrote to memory of 2156 1632 ec2f7a848784b8637ee6fb13002790f5_JaffaCakes118.exe 28 PID 1632 wrote to memory of 2156 1632 ec2f7a848784b8637ee6fb13002790f5_JaffaCakes118.exe 28 PID 1632 wrote to memory of 2156 1632 ec2f7a848784b8637ee6fb13002790f5_JaffaCakes118.exe 28 PID 1632 wrote to memory of 2156 1632 ec2f7a848784b8637ee6fb13002790f5_JaffaCakes118.exe 28 PID 1632 wrote to memory of 2156 1632 ec2f7a848784b8637ee6fb13002790f5_JaffaCakes118.exe 28 PID 1632 wrote to memory of 2156 1632 ec2f7a848784b8637ee6fb13002790f5_JaffaCakes118.exe 28 PID 1632 wrote to memory of 2156 1632 ec2f7a848784b8637ee6fb13002790f5_JaffaCakes118.exe 28 PID 1632 wrote to memory of 2156 1632 ec2f7a848784b8637ee6fb13002790f5_JaffaCakes118.exe 28 PID 1632 wrote to memory of 2156 1632 ec2f7a848784b8637ee6fb13002790f5_JaffaCakes118.exe 28 PID 2156 wrote to memory of 2556 2156 vbc.exe 29 PID 2156 wrote to memory of 2556 2156 vbc.exe 29 PID 2156 wrote to memory of 2556 2156 vbc.exe 29 PID 2156 wrote to memory of 2556 2156 vbc.exe 29
Processes
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C:\Users\Admin\AppData\Local\Temp\ec2f7a848784b8637ee6fb13002790f5_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\ec2f7a848784b8637ee6fb13002790f5_JaffaCakes118.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1632 -
C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\vbc.exeC:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\vbc.exe2⤵
- Suspicious use of WriteProcessMemory
PID:2156 -
C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exedw20.exe -x -s 3683⤵PID:2556
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