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Analysis
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max time kernel
140s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
21/09/2024, 11:58
Static task
static1
Behavioral task
behavioral1
Sample
efbe63a9f85ddcfbe7e07aa84f8e78c5_JaffaCakes118.dll
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
efbe63a9f85ddcfbe7e07aa84f8e78c5_JaffaCakes118.dll
Resource
win10v2004-20240802-en
General
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Target
efbe63a9f85ddcfbe7e07aa84f8e78c5_JaffaCakes118.dll
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Size
1.9MB
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MD5
efbe63a9f85ddcfbe7e07aa84f8e78c5
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SHA1
b1bf45b604ccb555d778993f93bc414a7e050fc9
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SHA256
d2738b431897d289afa8accc0cfb5867995e443ecccac6fdc195b3c1dee7c8f9
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SHA512
061a1fb171120146cc3a9d1fec27087ce4d518899fffc2b6f73c298db9fa8efdb0078927ae2bb955709d720cbe66d0b3ba504f2d0c70fb5cc508d1e83807ccc0
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SSDEEP
24576:3zuRNyMlBacw/uPmT/ckk+5R6553giCAwqm9Sq9BG4jGKatZneRcd78IJhWeqPDE:3Gm/nTa3GjB//kZneRe8I7FcWq2
Malware Config
Signatures
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Blocklisted process makes network request 2 IoCs
flow pid Process 4 2096 rundll32.exe 5 2096 rundll32.exe -
Executes dropped EXE 1 IoCs
pid Process 2044 f77e908.exe -
Loads dropped DLL 9 IoCs
pid Process 2096 rundll32.exe 2096 rundll32.exe 2096 rundll32.exe 2096 rundll32.exe 2056 WerFault.exe 2056 WerFault.exe 2056 WerFault.exe 2056 WerFault.exe 2056 WerFault.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
pid pid_target Process procid_target 2056 2044 WerFault.exe 33 -
System Location Discovery: System Language Discovery 1 TTPs 2 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 f77e908.exe -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 2404 wrote to memory of 2096 2404 rundll32.exe 30 PID 2404 wrote to memory of 2096 2404 rundll32.exe 30 PID 2404 wrote to memory of 2096 2404 rundll32.exe 30 PID 2404 wrote to memory of 2096 2404 rundll32.exe 30 PID 2404 wrote to memory of 2096 2404 rundll32.exe 30 PID 2404 wrote to memory of 2096 2404 rundll32.exe 30 PID 2404 wrote to memory of 2096 2404 rundll32.exe 30 PID 2096 wrote to memory of 2044 2096 rundll32.exe 33 PID 2096 wrote to memory of 2044 2096 rundll32.exe 33 PID 2096 wrote to memory of 2044 2096 rundll32.exe 33 PID 2096 wrote to memory of 2044 2096 rundll32.exe 33 PID 2044 wrote to memory of 2056 2044 f77e908.exe 34 PID 2044 wrote to memory of 2056 2044 f77e908.exe 34 PID 2044 wrote to memory of 2056 2044 f77e908.exe 34 PID 2044 wrote to memory of 2056 2044 f77e908.exe 34
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\efbe63a9f85ddcfbe7e07aa84f8e78c5_JaffaCakes118.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2404 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\efbe63a9f85ddcfbe7e07aa84f8e78c5_JaffaCakes118.dll,#12⤵
- Blocklisted process makes network request
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2096 -
C:\Users\Admin\AppData\Local\Temp\f77e908.exe"C:\Users\Admin\AppData\Local\Temp\f77e908.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2044 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2044 -s 5324⤵
- Loads dropped DLL
- Program crash
PID:2056
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
9KB
MD5a014b8961283f1e07d7f31ecdd7db62f
SHA170714b6dc8abbaa5d1cba38c047ea3a4ec6ac065
SHA25621ce0cdfaeb6d7f58bd17545be18f9cd3ac2476939112872d1a05d3164098f89
SHA512bd0bb1405c7d74c941c5db0d3fd5fbe93544055f79db5076ab293c868568873df98f902c343096ff765be6c4911435617aab2ada15591dfc90606b5630d64869