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Analysis
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max time kernel
140s -
max time network
104s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
12/08/2024, 11:26
Static task
static1
Behavioral task
behavioral1
Sample
8e8f9540b9234ebac4a3e41cf5d8fae9_JaffaCakes118.dll
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
8e8f9540b9234ebac4a3e41cf5d8fae9_JaffaCakes118.dll
Resource
win10v2004-20240802-en
General
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Target
8e8f9540b9234ebac4a3e41cf5d8fae9_JaffaCakes118.dll
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Size
32KB
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MD5
8e8f9540b9234ebac4a3e41cf5d8fae9
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SHA1
8b397bcf45c4668dd1070afbfe2a2cded066cac6
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SHA256
50067e896a694f4c83e7a4f324cf19d05c1c70db8d1d4fe979af702964d5f5d7
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SHA512
02e26c09f330a8d5b118f7a63f1bb20db5fddc7c6617575c71f32a3b1b9c473a355ce8c0669474b090e674fc3d644ebb425b1b8cdd350ad6a5f51ad28a4cba18
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SSDEEP
384:ZaXSbS8RQP1RxVkosHVmWebRJZZPzAT0DyE7Q1Ww7//ChLu3/Y:ZaXMssKbRJZ9zs0yQQ1W8/6hLu3/
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-1-5-21-786284298-625481688-3210388970-1000\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-1-5-21-786284298-625481688-3210388970-1000_Classes\Local Settings cmd.exe -
Runs .reg file with regedit 1 IoCs
pid Process 2220 regedit.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 4876 rundll32.exe 4876 rundll32.exe 4876 rundll32.exe 4876 rundll32.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 312 wrote to memory of 4876 312 rundll32.exe 84 PID 312 wrote to memory of 4876 312 rundll32.exe 84 PID 312 wrote to memory of 4876 312 rundll32.exe 84 PID 4876 wrote to memory of 1564 4876 rundll32.exe 85 PID 4876 wrote to memory of 1564 4876 rundll32.exe 85 PID 4876 wrote to memory of 1564 4876 rundll32.exe 85 PID 1564 wrote to memory of 2220 1564 cmd.exe 88 PID 1564 wrote to memory of 2220 1564 cmd.exe 88 PID 1564 wrote to memory of 2220 1564 cmd.exe 88
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\8e8f9540b9234ebac4a3e41cf5d8fae9_JaffaCakes118.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:312 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\8e8f9540b9234ebac4a3e41cf5d8fae9_JaffaCakes118.dll,#12⤵
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4876 -
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:1564 -
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:2220
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
179B
MD5f3dbe232e05c7524d83f53e5b1d74903
SHA173f9f4252efc4ccb54aa7a000ababf88fcd5934c
SHA25624228c7cc91bb36420590e9a46a668d5a336578c64c3db507559c5c24ab69782
SHA512873a02dcf63f1fad1c1b508d8f330fde5ac5fc36c57b2e8ab18b632facd1f6f9c93335e7564cfdb12dc05c6b1317666faebb6a440bd0d968892a31a7d48764e9