Analysis
- max time kernel
145s - max time network
147s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
27/05/2024, 12:24
General
- Target 79251e38708be7ed93e899d7ed1ee1ec_JaffaCakes118.exe
- Size 44KB
- Sample240527-plcbcada46
- SHA256 3daad337166e027cb177e98f58fc121e0fd6526b0924f4d8e2de00139dee8933
Score
10/10
Malware Config
Extracted
Family
-
guloader
C2
-
https://onedrive.live.com/download?cid=4C3F5C65A99DA195&resid=4C3F5C65A99DA195%21167&authkey=AM44Jd3i5ly-QkI
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\79251e38708be7ed93e899d7ed1ee1ec_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\79251e38708be7ed93e899d7ed1ee1ec_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\79251e38708be7ed93e899d7ed1ee1ec_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\79251e38708be7ed93e899d7ed1ee1ec_JaffaCakes118.exe"2⤵
- Checks QEMU agent file
- Suspicious use of NtSetInformationThreadHideFromDebugger
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
memory/312-2-0x0000000002120000-0x0000000002129000-memory.dmp
memory/312-3-0x0000000077971000-0x0000000077A91000-memory.dmp
memory/312-7-0x0000000002120000-0x0000000002129000-memory.dmp
memory/2256-4-0x0000000000400000-0x000000000055D000-memory.dmp
memory/2256-6-0x0000000000560000-0x0000000000660000-memory.dmp
memory/2256-11-0x0000000000400000-0x000000000055D000-memory.dmp
memory/2256-13-0x0000000000560000-0x0000000000660000-memory.dmp