Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
28/08/2024, 23:04
General
- Target rSHIPMENT_DOCMSS24071327.exe
- Size 732KB
- Sample240828-218z3sshmn
- SHA256 bc94d4814be919e507e812ff0b12a0f16d9a490c855b72ff7b8d4285bed16941
Malware Config
Signatures
- Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
- Loads dropped DLL 1 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Drops file in Program Files directory 1 IoCs
- Drops file in Windows directory 2 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: MapViewOfSection 1 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\rSHIPMENT_DOCMSS24071327.exe"C:\Users\Admin\AppData\Local\Temp\rSHIPMENT_DOCMSS24071327.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\rSHIPMENT_DOCMSS24071327.exe"C:\Users\Admin\AppData\Local\Temp\rSHIPMENT_DOCMSS24071327.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
System.dll
memory/1712-21-0x0000000001660000-0x0000000002F28000-memory.dmp
memory/1712-14-0x0000000000400000-0x0000000001654000-memory.dmp
memory/1712-15-0x0000000001660000-0x0000000002F28000-memory.dmp
memory/1712-16-0x0000000077758000-0x0000000077759000-memory.dmp
memory/1712-17-0x0000000077775000-0x0000000077776000-memory.dmp
memory/1712-25-0x0000000000400000-0x0000000001654000-memory.dmp
memory/1712-26-0x00000000776D1000-0x00000000777F1000-memory.dmp
memory/3708-11-0x00000000776D1000-0x00000000777F1000-memory.dmp
memory/3708-12-0x0000000002DA0000-0x0000000004668000-memory.dmp
memory/3708-13-0x0000000074B75000-0x0000000074B76000-memory.dmp
memory/3708-10-0x0000000002DA0000-0x0000000004668000-memory.dmp
memory/3708-32-0x0000000002DA0000-0x0000000004668000-memory.dmp