Analysis
- max time kernel
148s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20250207-en - resource tags
- submitted
14/02/2025, 03:11
General
- Target JaffaCakes118_f2e522d24817e71b9c5d06af560acbe0.exe
- Size 812KB
- Sample250214-dpsa7azndr
- SHA256 c6af383f3739888e336bba4535f6a09cab3770e5fc16996b055b19506a69d125
Malware Config
Extracted
-
darkcomet
-
Guest16
-
127.0.0.1:1604
-
DC_MUTEX-F54S21D
-
gencode
9B*$xCn3uky8
-
install
false
-
offline_keylogger
true
-
persistence
false
Signatures
- Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
- Darkcomet family
- Downloads MZ/PE file 1 IoCs
- Drops file in Drivers directory 1 IoCs
- Checks BIOS information in registry 2 TTPs 1 IoCs
BIOS information is often read in order to detect sandboxing environments.
- 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.
- System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs
Adversaries may check for Internet connectivity on compromised systems.
- Checks processor information in registry 2 TTPs 4 IoCs
Processor information is often read in order to detect sandboxing environments.
- Enumerates system info in registry 2 TTPs 1 IoCs
- Suspicious use of AdjustPrivilegeToken 24 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f2e522d24817e71b9c5d06af560acbe0.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f2e522d24817e71b9c5d06af560acbe0.exe"1⤵
- Drops file in Drivers directory
- Checks BIOS information in registry
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSI2IiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDcxNzgiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxOTY4MDM3MTAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1MTAwMDk0MTM3Ii8-PC9hcHA-PC9yZXF1ZXN0Pg1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
memory/4288-0-0x0000000002850000-0x0000000002851000-memory.dmp
memory/4288-3-0x0000000002850000-0x0000000002851000-memory.dmp
memory/4288-2-0x0000000000400000-0x00000000004D9000-memory.dmp
memory/4288-4-0x0000000000400000-0x00000000004D9000-memory.dmp
memory/4288-5-0x0000000000400000-0x00000000004D9000-memory.dmp
memory/4288-7-0x0000000000400000-0x00000000004D9000-memory.dmp
memory/4288-8-0x0000000000400000-0x00000000004D9000-memory.dmp
memory/4288-9-0x0000000000400000-0x00000000004D9000-memory.dmp
memory/4288-10-0x0000000000400000-0x00000000004D9000-memory.dmp
memory/4288-11-0x0000000000400000-0x00000000004D9000-memory.dmp
memory/4288-12-0x0000000000400000-0x00000000004D9000-memory.dmp
memory/4288-13-0x0000000000400000-0x00000000004D9000-memory.dmp
memory/4288-14-0x0000000000400000-0x00000000004D9000-memory.dmp
memory/4288-15-0x0000000000400000-0x00000000004D9000-memory.dmp
memory/4288-16-0x0000000000400000-0x00000000004D9000-memory.dmp
memory/4288-17-0x0000000000400000-0x00000000004D9000-memory.dmp