Analysis
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max time kernel
51s -
max time network
51s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
26-06-2024 10:04
Behavioral task
behavioral1
Sample
119d1b4e7a8313b2fee3121a73c86487_JaffaCakes118.dll
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
119d1b4e7a8313b2fee3121a73c86487_JaffaCakes118.dll
Resource
win10v2004-20240508-en
General
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Target
119d1b4e7a8313b2fee3121a73c86487_JaffaCakes118.dll
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Size
60KB
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MD5
119d1b4e7a8313b2fee3121a73c86487
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SHA1
3dd2e34c9c84934f10d07396197405fb7b57b7da
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SHA256
6fafeab6cd6ba5bcffd29430eaf89bf04b933aeb874f9bf0629ae4c3cc664bf2
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SHA512
b76d5181fe1cf012d910a717b69e72fd202537838e3a4b44e254925005e0461faff9dbd6639d28b9559e3f96772257b1cb4a00a692a6636729caefd51c153d8d
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SSDEEP
1536:MJiYU3BtpCdtWMrd4IJfzc5TOtnVxhxMU:MJil3BHCdtWxSLMTOtVxgU
Malware Config
Signatures
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Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation cmd.exe -
resource yara_rule behavioral2/memory/1188-0-0x0000000010000000-0x000000001000F000-memory.dmp vmprotect -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Modifies registry class 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\regfile\shell\open\command\ = "regedit.exe /s \"%1\"" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000_Classes\Local Settings cmd.exe -
Runs .reg file with regedit 1 IoCs
pid Process 4036 regedit.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 1188 rundll32.exe 1188 rundll32.exe 1188 rundll32.exe 1188 rundll32.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 2444 wrote to memory of 1188 2444 rundll32.exe 81 PID 2444 wrote to memory of 1188 2444 rundll32.exe 81 PID 2444 wrote to memory of 1188 2444 rundll32.exe 81 PID 1188 wrote to memory of 1148 1188 rundll32.exe 82 PID 1188 wrote to memory of 1148 1188 rundll32.exe 82 PID 1188 wrote to memory of 1148 1188 rundll32.exe 82 PID 1148 wrote to memory of 4036 1148 cmd.exe 84 PID 1148 wrote to memory of 4036 1148 cmd.exe 84 PID 1148 wrote to memory of 4036 1148 cmd.exe 84
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\119d1b4e7a8313b2fee3121a73c86487_JaffaCakes118.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2444 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\119d1b4e7a8313b2fee3121a73c86487_JaffaCakes118.dll,#12⤵
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1188 -
C:\Windows\SysWOW64\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\a.reg3⤵
- Checks computer location settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1148 -
C:\Windows\SysWOW64\regedit.exe"regedit.exe" /s "C:\Users\Admin\AppData\Local\Temp\a.reg"4⤵
- Runs .reg file with regedit
PID:4036
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
152B
MD5b100f5324ef74ded0b998e64d07a2e19
SHA140b0d7f51bf2dd8451f1b723d21355c471a5fa46
SHA2563db613d24a75ae220891698c055e1c580a42e58564f568a0510db87581cc2042
SHA512c12391bb37c334074f7d7e1257b6364fd5cbce848e0a8fe15b8326f54fd9568fe3baec58618c4334027a774a06a08ec249cb71db925c1f85feee6a3d3a816c04