Analysis
- max time kernel
149s - max time network
146s - platform
windows10-2004_x64 - resource
win10v2004-20240419-en - resource tags
- submitted
04/05/2024, 13:01
General
- Target 12d99e9e1887729830ac5ba112b4868a_JaffaCakes118.exe
- Size 40KB
- Sample240504-p9a37aef9s
- SHA256 88ca2abfd7bf3cf9879f2be910ab5f668cfbf11cbbaa6892fabce2f22aefd79f
Score
10/10
Malware Config
Extracted
Family
-
guloader
C2
-
http://castmart.ga/~zadmin/icloud/apsaz_encrypted_CEA1DDF.bin
xor.base64
Signatures
- Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
- 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\12d99e9e1887729830ac5ba112b4868a_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\12d99e9e1887729830ac5ba112b4868a_JaffaCakes118.exe"1⤵
- 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\12d99e9e1887729830ac5ba112b4868a_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\12d99e9e1887729830ac5ba112b4868a_JaffaCakes118.exe"2⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
-
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
memory/2172-3-0x0000000077681000-0x00000000777A1000-memory.dmp
memory/2172-2-0x00000000020F0000-0x00000000020F7000-memory.dmp
memory/2172-4-0x00000000020F0000-0x00000000020F7000-memory.dmp
memory/2260-5-0x0000000000400000-0x00000000004E7000-memory.dmp
memory/2260-7-0x00000000004F0000-0x00000000005F0000-memory.dmp
memory/2260-8-0x0000000077681000-0x00000000777A1000-memory.dmp