Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
08/10/2024, 02:02
General
- Target 1efb444c7b6f2aaa143ac3ccfd167488_JaffaCakes118.exe
- Size 68KB
- Sample241008-cgjteaxeke
- SHA256 48203dc89666836c2fea81742ece341526d1e700573021dbfa7c46f744147c0b
Score
10/10
Malware Config
Extracted
Family
-
guloader
C2
-
https://x.to-nans.com/FB_encrypted_331B930.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
- System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 4 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\1efb444c7b6f2aaa143ac3ccfd167488_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\1efb444c7b6f2aaa143ac3ccfd167488_JaffaCakes118.exe"1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\1efb444c7b6f2aaa143ac3ccfd167488_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\1efb444c7b6f2aaa143ac3ccfd167488_JaffaCakes118.exe"2⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
memory/4220-2-0x0000000002290000-0x0000000002297000-memory.dmp
memory/4220-3-0x0000000077C41000-0x0000000077D61000-memory.dmp
memory/4220-7-0x0000000077C41000-0x0000000077D61000-memory.dmp
memory/4220-6-0x0000000002290000-0x0000000002297000-memory.dmp
memory/4872-9-0x0000000077C41000-0x0000000077D61000-memory.dmp
memory/4872-8-0x00000000004F0000-0x00000000005F0000-memory.dmp
memory/4872-4-0x0000000000400000-0x00000000004E7000-memory.dmp