Analysis
- max time kernel
154s - max time network
167s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
10/05/2024, 03:57
General
- Target 2d37fbb73af959d02fbf004f2e633df8_JaffaCakes118.exe
- Size 44KB
- Sample240510-eh7b7scg97
- SHA256 684c43f7e479e302f4c19387be2d3b059a93ee2680379fa242b7c064913f43cf
Score
10/10
Malware Config
Extracted
Family
-
guloader
C2
-
https://onedrive.live.com/download?cid=4C3F5C65A99DA195&resid=4C3F5C65A99DA195%21163&authkey=AIf92j348Mu0KUI
xor.base64
Signatures
- Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
- Checks QEMU agent file 2 TTPs 2 IoCs
Checks presence of QEMU agent, possibly to detect virtualization.
- Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 4 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2d37fbb73af959d02fbf004f2e633df8_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\2d37fbb73af959d02fbf004f2e633df8_JaffaCakes118.exe"1⤵
- Checks QEMU agent file
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\2d37fbb73af959d02fbf004f2e633df8_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\2d37fbb73af959d02fbf004f2e633df8_JaffaCakes118.exe"2⤵
- Checks QEMU agent file
- Suspicious use of NtSetInformationThreadHideFromDebugger
-
-
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=1408 --field-trial-handle=2676,i,447940133669489189,1353734109898858672,262144 --variations-seed-version /prefetch:81⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
memory/1952-4-0x0000000000400000-0x000000000055D000-memory.dmp
memory/1952-7-0x0000000000560000-0x0000000000660000-memory.dmp
memory/1952-8-0x0000000000400000-0x000000000055D000-memory.dmp
memory/1952-13-0x0000000000560000-0x0000000000660000-memory.dmp
memory/3004-2-0x0000000000640000-0x0000000000649000-memory.dmp
memory/3004-3-0x0000000077DB1000-0x0000000077ED1000-memory.dmp
memory/3004-6-0x0000000000640000-0x0000000000649000-memory.dmp