Analysis
- max time kernel
149s - max time network
125s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
- submitted
04/05/2026, 05:44
General
- Target 3889553c736d846e3bcc59d9e6d31310.exe
- Size 266KB
- Sample260504-ge76facw4x
- SHA256 9a4468cb992edd038c4e29b61132e4d648f16ef4e17b4d8993b5a33f2a82f6f8
Malware Config
Signatures
- Family: Gepys
Gepys is a Windows trojan.
- Detects Gepys trojan 6 IoCs
- Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
- Executes dropped EXE 3 IoCs
- Drops file in Program Files directory 3 IoCs
- Program crash 1 IoCs
- System Location Discovery: System Language Discovery 1 TTPs 4 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\3889553c736d846e3bcc59d9e6d31310.exe"C:\Users\Admin\AppData\Local\Temp\3889553c736d846e3bcc59d9e6d31310.exe"1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
-
C:\PROGRA~3\Mozilla\cbtexsb.exeC:\PROGRA~3\Mozilla\cbtexsb.exe -tfadizd1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 736 -s 4442⤵
- Program crash
-
-
C:\PROGRA~3\Mozilla\cbtexsb.exeC:\PROGRA~3\Mozilla\cbtexsb.exe1⤵
- Executes dropped EXE
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 200 -p 736 -ip 7361⤵
-
C:\PROGRA~3\Mozilla\cbtexsb.exeC:\PROGRA~3\Mozilla\cbtexsb.exe -tfadizd1⤵
- Executes dropped EXE
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
cbtexsb.exe
cbtexsb.exe
memory/736-10-0x0000000000400000-0x000000000045B000-memory.dmp
memory/1976-11-0x0000000000400000-0x000000000045B000-memory.dmp
memory/1976-12-0x0000000000400000-0x000000000045B000-memory.dmp
memory/1976-15-0x0000000000400000-0x000000000045B000-memory.dmp
memory/2192-17-0x0000000000400000-0x000000000045B000-memory.dmp
memory/2192-18-0x0000000000400000-0x000000000045B000-memory.dmp
memory/2192-20-0x0000000000400000-0x000000000045B000-memory.dmp
memory/4196-2-0x0000000000400000-0x000000000045B000-memory.dmp
memory/4196-0-0x0000000000400000-0x000000000045B000-memory.dmp
memory/4196-5-0x0000000000400000-0x000000000045B000-memory.dmp
memory/4196-8-0x00000000020B0000-0x000000000210C000-memory.dmp
memory/4196-1-0x00000000020B0000-0x000000000210C000-memory.dmp