Analysis
- max time kernel
138s - max time network
129s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
23/10/2024, 14:31
General
- Target rMactation.exe
- Size 914KB
- Sample241023-rvpddavdpc
- SHA256 d4403b301fd83b63921be53b6d3e9dfab987ff2aa133511b3b2e1a4dcc22cdc5
Malware Config
Signatures
- Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
- Loads dropped DLL 2 IoCs
- Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
- Drops file in System32 directory 1 IoCs
- Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Drops file in Windows directory 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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: EnumeratesProcesses 14 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\rMactation.exe"C:\Users\Admin\AppData\Local\Temp\rMactation.exe"1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\rMactation.exe"C:\Users\Admin\AppData\Local\Temp\rMactation.exe"2⤵
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
System.dll
peripheries.lnk
peripheries.lnk
memory/1240-24650-0x00000000032E0000-0x0000000005D2C000-memory.dmp
memory/1240-24644-0x00000000032E0000-0x0000000005D2C000-memory.dmp
memory/1240-24645-0x00000000032E0000-0x0000000005D2C000-memory.dmp
memory/1240-24646-0x0000000077D01000-0x0000000077E21000-memory.dmp
memory/1240-24647-0x0000000077D01000-0x0000000077E21000-memory.dmp
memory/1240-24648-0x0000000010004000-0x0000000010005000-memory.dmp
memory/3632-24649-0x0000000000400000-0x0000000001654000-memory.dmp
memory/3632-24651-0x0000000001660000-0x00000000040AC000-memory.dmp
memory/3632-24664-0x0000000000400000-0x0000000001654000-memory.dmp
memory/3632-24665-0x0000000000400000-0x0000000001654000-memory.dmp
memory/3632-24666-0x0000000001660000-0x00000000040AC000-memory.dmp
memory/3632-24667-0x0000000000400000-0x0000000001654000-memory.dmp
memory/3632-24668-0x0000000000400000-0x0000000001654000-memory.dmp
memory/3632-24671-0x0000000000400000-0x0000000001654000-memory.dmp