Analysis
- max time kernel
94s - max time network
139s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
06/10/2024, 15:48
General
- Target 2702bb251c14965787b39f03a9c41000b9b0421528578e5a6a221ad8b27f182d.exe
- Size 554KB
- Sample241006-s85syswekc
- SHA256 2702bb251c14965787b39f03a9c41000b9b0421528578e5a6a221ad8b27f182d
Malware Config
Signatures
- Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
- Loads dropped DLL 1 IoCs
- Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
- Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Program crash 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: EnumeratesProcesses 2 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2702bb251c14965787b39f03a9c41000b9b0421528578e5a6a221ad8b27f182d.exe"C:\Users\Admin\AppData\Local\Temp\2702bb251c14965787b39f03a9c41000b9b0421528578e5a6a221ad8b27f182d.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\2702bb251c14965787b39f03a9c41000b9b0421528578e5a6a221ad8b27f182d.exe"C:\Users\Admin\AppData\Local\Temp\2702bb251c14965787b39f03a9c41000b9b0421528578e5a6a221ad8b27f182d.exe"2⤵
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3112 -s 14723⤵
- Program crash
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3112 -ip 31121⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
System.dll
Gaulin.ini
memory/2568-278-0x0000000003190000-0x0000000003CE1000-memory.dmp
memory/2568-279-0x0000000077571000-0x0000000077691000-memory.dmp
memory/2568-280-0x0000000003190000-0x0000000003CE1000-memory.dmp
memory/2568-281-0x0000000010004000-0x0000000010005000-memory.dmp
memory/2568-301-0x0000000003190000-0x0000000003CE1000-memory.dmp
memory/3112-298-0x0000000001660000-0x00000000021B1000-memory.dmp
memory/3112-302-0x0000000000400000-0x0000000001654000-memory.dmp
memory/3112-285-0x0000000077615000-0x0000000077616000-memory.dmp
memory/3112-283-0x0000000001660000-0x00000000021B1000-memory.dmp
memory/3112-299-0x0000000000400000-0x0000000001654000-memory.dmp
memory/3112-300-0x0000000000401000-0x0000000000404000-memory.dmp
memory/3112-282-0x0000000000400000-0x0000000001654000-memory.dmp
memory/3112-284-0x00000000775F8000-0x00000000775F9000-memory.dmp
memory/3112-303-0x0000000077571000-0x0000000077691000-memory.dmp
memory/3112-304-0x0000000000400000-0x0000000001654000-memory.dmp
memory/3112-305-0x0000000000401000-0x0000000000404000-memory.dmp
memory/3112-306-0x0000000000400000-0x0000000001654000-memory.dmp
memory/3112-307-0x0000000000400000-0x0000000001654000-memory.dmp
memory/3112-308-0x0000000000400000-0x0000000001654000-memory.dmp
memory/3112-309-0x0000000001660000-0x00000000021B1000-memory.dmp
memory/3112-310-0x0000000000401000-0x0000000000404000-memory.dmp