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Analysis
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max time kernel
148s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
19/09/2024, 18:46
Static task
static1
Behavioral task
behavioral1
Sample
ebf8dc9682be5a0001e92ffbc4849f64_JaffaCakes118.dll
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
ebf8dc9682be5a0001e92ffbc4849f64_JaffaCakes118.dll
Resource
win10v2004-20240802-en
General
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Target
ebf8dc9682be5a0001e92ffbc4849f64_JaffaCakes118.dll
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Size
60KB
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MD5
ebf8dc9682be5a0001e92ffbc4849f64
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SHA1
5d70607581a1e5d23dbc35bddd39c7752c7b1102
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SHA256
3047f5d1c1a7dc90c2c1bb9f8eccaf3b04678f58fc3b707e183f4148894f6ba4
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SHA512
0fa3da2c56215f1e97d4dc9e747df9e4262a583de98d79ce7e169612d6db916d664d5740c2e0da0a731b2a56de61f4bffa63d8d0ee0045703cca776b3c3fa9d0
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SSDEEP
768:WBZX+Nzp4mjNx4Ds4l6iE18++uWdB9GBc81f+Iw5BLJUXNPgH9nmscY:WPdc1inuWdB9r8YXPJY2BmscY
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-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation cmd.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language regedit.exe -
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-1-5-21-2718105630-359604950-2820636825-1000_Classes\Local Settings cmd.exe -
Runs .reg file with regedit 1 IoCs
pid Process 2756 regedit.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 1884 rundll32.exe 1884 rundll32.exe 1884 rundll32.exe 1884 rundll32.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 1848 wrote to memory of 1884 1848 rundll32.exe 82 PID 1848 wrote to memory of 1884 1848 rundll32.exe 82 PID 1848 wrote to memory of 1884 1848 rundll32.exe 82 PID 1884 wrote to memory of 208 1884 rundll32.exe 83 PID 1884 wrote to memory of 208 1884 rundll32.exe 83 PID 1884 wrote to memory of 208 1884 rundll32.exe 83 PID 208 wrote to memory of 2756 208 cmd.exe 85 PID 208 wrote to memory of 2756 208 cmd.exe 85 PID 208 wrote to memory of 2756 208 cmd.exe 85
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\ebf8dc9682be5a0001e92ffbc4849f64_JaffaCakes118.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1848 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\ebf8dc9682be5a0001e92ffbc4849f64_JaffaCakes118.dll,#12⤵
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1884 -
C:\Windows\SysWOW64\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\a.reg3⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:208 -
C:\Windows\SysWOW64\regedit.exe"regedit.exe" /s "C:\Users\Admin\AppData\Local\Temp\a.reg"4⤵
- System Location Discovery: System Language Discovery
- Runs .reg file with regedit
PID:2756
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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