Analysis
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max time kernel
142s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
14-06-2024 15:51
Behavioral task
behavioral1
Sample
aa87aa27ca04593fcdd02d5b6f447cdc_JaffaCakes118.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
aa87aa27ca04593fcdd02d5b6f447cdc_JaffaCakes118.exe
Resource
win10v2004-20240226-en
General
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Target
aa87aa27ca04593fcdd02d5b6f447cdc_JaffaCakes118.exe
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Size
1012KB
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MD5
aa87aa27ca04593fcdd02d5b6f447cdc
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SHA1
70dda7e69acea067cf6ab3ed6ffddc8f39f36d24
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SHA256
151a628a945506fa0ed3c1bfd3694fa41d6102840bc5a4466cd9c8fad870e5ff
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SHA512
75cd0ec0c76d443a8e778a34d60f42d897c57cf6fa32fe90f5f015ed6d2bdb47831f64000735c68b543c90ffb0adf370f4519cd34f455ede0d1bb2c204e2d5f2
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SSDEEP
24576:+MjPJ5g9KVGrdNikfu2hBfK8ilRty5olGJsxQ:7J5gEKNikf3hBfUiWxQ
Malware Config
Signatures
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Ammyy Admin
Remote admin tool with various capabilities.
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AmmyyAdmin payload 1 IoCs
resource yara_rule behavioral2/files/0x000b00000001ea83-7.dat family_ammyyadmin -
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-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation aa87aa27ca04593fcdd02d5b6f447cdc_JaffaCakes118.exe -
Executes dropped EXE 1 IoCs
pid Process 2296 budha.exe -
resource yara_rule behavioral2/memory/3932-0-0x0000000000400000-0x0000000000410000-memory.dmp upx behavioral2/files/0x000b00000001ea83-7.dat upx behavioral2/memory/3932-11-0x0000000000400000-0x0000000000410000-memory.dmp upx behavioral2/memory/2296-14-0x0000000000400000-0x0000000000410000-memory.dmp upx -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3932 wrote to memory of 2296 3932 aa87aa27ca04593fcdd02d5b6f447cdc_JaffaCakes118.exe 91 PID 3932 wrote to memory of 2296 3932 aa87aa27ca04593fcdd02d5b6f447cdc_JaffaCakes118.exe 91 PID 3932 wrote to memory of 2296 3932 aa87aa27ca04593fcdd02d5b6f447cdc_JaffaCakes118.exe 91
Processes
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C:\Users\Admin\AppData\Local\Temp\aa87aa27ca04593fcdd02d5b6f447cdc_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\aa87aa27ca04593fcdd02d5b6f447cdc_JaffaCakes118.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3932 -
C:\Users\Admin\AppData\Local\Temp\budha.exe"C:\Users\Admin\AppData\Local\Temp\budha.exe"2⤵
- Executes dropped EXE
PID:2296
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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 --no-appcompat-clear --mojo-platform-channel-handle=3740 --field-trial-handle=2676,i,447940133669489189,1353734109898858672,262144 --variations-seed-version /prefetch:81⤵PID:1156
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1012KB
MD53ec7371ec0bff65b1e4a60cd01b7f999
SHA18f80f02808c2fd81aba79c084754d27aebfa7a77
SHA2566acc26807f61efe83117d5316cd0d8342357f32bb9a9d8b177ffec4ad1c64700
SHA512250608423978ca1a68af774d5aa369cc742c4084aa36a6ce033ae4ad83b05c2035f69775eceada1f7b80aa9815076613154dc3e2c3d6db5b01d8814c52fcde0c