Analysis
- max time kernel
10s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
07/11/2024, 03:31
General
- Target f392bfa146ad86308fa464a9505708645f99618d54483cbc6b746b656f26a3fb.exe
- Size 810KB
- Sample241107-d214vsvbqg
- SHA256 f392bfa146ad86308fa464a9505708645f99618d54483cbc6b746b656f26a3fb
Malware Config
Signatures
- Guloader family
- Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
- Loads dropped DLL 2 IoCs
- Drops file in Program Files directory 1 IoCs
- Drops file in Windows directory 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 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes
-
C:\Users\Admin\AppData\Local\Temp\f392bfa146ad86308fa464a9505708645f99618d54483cbc6b746b656f26a3fb.exe"C:\Users\Admin\AppData\Local\Temp\f392bfa146ad86308fa464a9505708645f99618d54483cbc6b746b656f26a3fb.exe"1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
-
C:\Users\Admin\AppData\Local\Temp\f392bfa146ad86308fa464a9505708645f99618d54483cbc6b746b656f26a3fb.exe"C:\Users\Admin\AppData\Local\Temp\f392bfa146ad86308fa464a9505708645f99618d54483cbc6b746b656f26a3fb.exe"2⤵
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4972 -s 10683⤵
- Program crash
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4972 -ip 49721⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
System.dll
primy.ini
memory/2992-23237-0x0000000002F20000-0x0000000003CD5000-memory.dmp
memory/2992-23238-0x0000000077DE1000-0x0000000077F01000-memory.dmp
memory/2992-23239-0x0000000002F20000-0x0000000003CD5000-memory.dmp
memory/4972-23243-0x0000000077E85000-0x0000000077E86000-memory.dmp
memory/4972-23250-0x0000000000400000-0x0000000001654000-memory.dmp
memory/4972-23242-0x0000000077E68000-0x0000000077E69000-memory.dmp
memory/4972-23240-0x0000000000400000-0x0000000001654000-memory.dmp
memory/4972-23247-0x0000000000400000-0x0000000001654000-memory.dmp
memory/4972-23248-0x0000000001660000-0x0000000002415000-memory.dmp
memory/4972-23249-0x0000000000401000-0x0000000000404000-memory.dmp
memory/4972-23241-0x0000000001660000-0x0000000002415000-memory.dmp
memory/4972-23251-0x0000000077DE1000-0x0000000077F01000-memory.dmp
memory/4972-23252-0x0000000000400000-0x0000000001654000-memory.dmp
memory/4972-23253-0x0000000000401000-0x0000000000404000-memory.dmp
memory/4972-23254-0x0000000000400000-0x0000000001654000-memory.dmp
memory/4972-23255-0x0000000000400000-0x0000000001654000-memory.dmp
memory/4972-23257-0x0000000000401000-0x0000000000404000-memory.dmp