Analysis
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max time kernel
130s -
max time network
127s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
25-08-2024 03:49
Behavioral task
behavioral1
Sample
bfefb4e233262e7df646538473dce872_JaffaCakes118.dll
Resource
win7-20240729-en
windows7-x64
3 signatures
150 seconds
General
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Target
bfefb4e233262e7df646538473dce872_JaffaCakes118.dll
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Size
73KB
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MD5
bfefb4e233262e7df646538473dce872
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SHA1
2a2fb2abcb7780804162437bcb4c2be6aada048d
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SHA256
4083a4766507b89ec09eaebd6dbeacffc8e70b33be64d50d469aea90e06c23a6
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SHA512
2c8a4a032da34c24dab29ef7140149ddcd098211d858cc28a858b62580afe8d7a1aaa02dcde57ec0c1b4adc6f1264775be18af1b6334e1161c8b2dfdb0704c51
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SSDEEP
1536:EGmcC3Q2lJOZpWBAxn+xQWrt2xqX/tYSNI7PCZgIClUe:EGRWQmJmn+xhrNFXS7krCye
Malware Config
Signatures
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resource yara_rule behavioral2/memory/1040-0-0x0000000010000000-0x000000001000D000-memory.dmp upx -
System Location Discovery: System Language Discovery 1 TTPs 1 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 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3368 wrote to memory of 1040 3368 rundll32.exe 91 PID 3368 wrote to memory of 1040 3368 rundll32.exe 91 PID 3368 wrote to memory of 1040 3368 rundll32.exe 91
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\bfefb4e233262e7df646538473dce872_JaffaCakes118.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3368 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\bfefb4e233262e7df646538473dce872_JaffaCakes118.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:1040
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4088,i,1828333185976713750,7918646547767660928,262144 --variations-seed-version --mojo-platform-channel-handle=4384 /prefetch:81⤵PID:2252