Analysis
- max time kernel
149s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
19/04/2026, 13:04
General
- Target 2026-04-19_bc91b8c981130dd0807802082e086e90_elex_manuscrypt_rhadamanthys_stop.exe
- Size 511KB
- Sample260419-qa283abs6l
- SHA256 4986afb1497f7c71abe130502e742e2773d4f7ee6bba85e4c63ac5b8b480da9f
Malware Config
Signatures
- Family: Gepys
Gepys is a Windows trojan.
- Detects Gepys trojan 8 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
- Loads dropped DLL 1 IoCs
- Drops file in Program Files directory 4 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\2026-04-19_bc91b8c981130dd0807802082e086e90_elex_manuscrypt_rhadamanthys_stop.exe"C:\Users\Admin\AppData\Local\Temp\2026-04-19_bc91b8c981130dd0807802082e086e90_elex_manuscrypt_rhadamanthys_stop.exe"1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
-
C:\PROGRA~3\Mozilla\mewpmkd.exeC:\PROGRA~3\Mozilla\mewpmkd.exe -ajwzcml1⤵
- Executes dropped EXE
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
-
C:\PROGRA~3\Mozilla\mewpmkd.exeC:\PROGRA~3\Mozilla\mewpmkd.exe1⤵
- Executes dropped EXE
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
-
C:\PROGRA~3\Mozilla\mewpmkd.exeC:\PROGRA~3\Mozilla\mewpmkd.exe -ajwzcml1⤵
- Executes dropped EXE
- Loads dropped DLL
- 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
bktesnk.dll
mewpmkd.exe
mewpmkd.exe
memory/1608-26-0x0000000000E80000-0x0000000000E96000-memory.dmp
memory/1608-27-0x0000000000400000-0x000000000045B000-memory.dmp
memory/1608-32-0x0000000010000000-0x0000000010016000-memory.dmp
memory/1608-30-0x0000000000400000-0x000000000045B000-memory.dmp
memory/1608-29-0x0000000000E80000-0x0000000000E96000-memory.dmp
memory/1608-28-0x0000000000400000-0x000000000045B000-memory.dmp
memory/1608-24-0x0000000010000000-0x0000000010016000-memory.dmp
memory/1608-25-0x0000000000400000-0x000000000045B000-memory.dmp
memory/4676-2-0x0000000000400000-0x000000000045B000-memory.dmp
memory/4676-1-0x00000000021A0000-0x00000000021FB000-memory.dmp
memory/4676-0-0x0000000000400000-0x000000000045B000-memory.dmp
memory/4676-7-0x00000000021A0000-0x00000000021FB000-memory.dmp
memory/4676-6-0x0000000000400000-0x000000000045B000-memory.dmp
memory/4780-21-0x0000000000400000-0x000000000045B000-memory.dmp
memory/4780-13-0x0000000000400000-0x000000000045B000-memory.dmp
memory/4780-12-0x0000000000400000-0x000000000045B000-memory.dmp
memory/4936-15-0x0000000000400000-0x000000000045B000-memory.dmp
memory/4936-10-0x0000000000400000-0x000000000045B000-memory.dmp