Analysis
- max time kernel
149s - max time network
138s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
- submitted
14/05/2026, 06:36
General
- Target Facebook.exe
- Size 757KB
- Sample260514-hc2rbab17y
- SHA256 01e521b7dea93a8eb80883d7bc535dedc2a09eeb981729fd46f4ee677900c64e
Malware Config
Extracted
-
darkcomet
-
Guest_15
-
kalyanonlinematkaapp.in.net:443
-
services.in.net:443
-
services.in.net:80
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kalyanonlinematkaapp.in.net:80
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server.services.in.net:1604
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server.services.in.net:80
-
server.services.in.net:443
-
server.kalyanonlinematkaapp.in.net:443
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server.kalyanonlinematkaapp.in.net:80
-
172.67.139.34:443
-
104.21.87.11:443
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198.252.111.4:443
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kalyanonlinematkaapp.in.net:1604
-
DC_MUTEX-N1MK2BJ
-
InstallPath
MSDCSC\Facebook.exe
-
gencode
DEVm3Hy7C7ij
-
install
true
-
offline_keylogger
true
-
persistence
false
-
reg_key
FacebookUpdate
Signatures
- Family: Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
- Modifies WinLogon for persistence 2 TTPs 1 IoCs
- Executes dropped EXE 1 IoCs
- Adds Run key to start application 2 TTPs 1 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 use of AdjustPrivilegeToken 48 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Facebook.exe"C:\Users\Admin\AppData\Local\Temp\Facebook.exe"1⤵
- Modifies WinLogon for persistence
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
-
C:\Users\Admin\Documents\MSDCSC\Facebook.exeC:\Users\Admin\Documents\MSDCSC\Facebook.exe1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Replay Monitor
Loading Replay Monitor...
Downloads
Facebook.exe
memory/2560-1-0x000000000049D000-0x000000000049F000-memory.dmp
memory/2560-0-0x00000000006F0000-0x00000000006F1000-memory.dmp
memory/2560-7-0x00000000006F0000-0x00000000006F1000-memory.dmp
memory/2560-8-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/2752-6-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/2752-9-0x0000000000400000-0x00000000004CA000-memory.dmp