Analysis
- max time kernel
149s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20250211-en - resource tags
- submitted
12/02/2025, 07:46
General
- Target JaffaCakes118_ee6e87509b5111bfa503353233fabb54.exe
- Size 754KB
- Sample250212-jl366ssncm
- SHA256 a8749ac7e1c37c53fc79f44f7e6c416950d0bff9259ff0092d50b03036373943
Malware Config
Extracted
-
darkcomet
-
Guest16
-
127.0.0.1:1604
-
rabun95.no-ip.biz:1604
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130.193.142.41:1604
-
DC_MUTEX-X9E6FXX
-
gencode
CbrVW5+P/Sip
-
install
false
-
offline_keylogger
true
-
persistence
false
Signatures
- Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
- Darkcomet family
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 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.
- System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs
Adversaries may check for Internet connectivity on compromised systems.
- Suspicious use of AdjustPrivilegeToken 25 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ee6e87509b5111bfa503353233fabb54.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ee6e87509b5111bfa503353233fabb54.exe"1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\tmp86C4.tmp.exe"C:\Users\Admin\AppData\Local\Temp\tmp86C4.tmp.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- 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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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSIwIiBpbnN0YWxsZGF0ZXRpbWU9IjE3MzkyODIxNjkiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4Mzc1MzE4NTEwMTAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1Mjk2NDYzNTE0Ii8-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
tmp86C4.tmp.exe
memory/2308-25-0x0000000000400000-0x00000000004CC000-memory.dmp
memory/2308-23-0x0000000000400000-0x00000000004CC000-memory.dmp
memory/2308-30-0x0000000000400000-0x00000000004CC000-memory.dmp
memory/2308-28-0x0000000000400000-0x00000000004CC000-memory.dmp
memory/2308-13-0x0000000002250000-0x0000000002251000-memory.dmp
memory/2308-26-0x0000000000400000-0x00000000004CC000-memory.dmp
memory/2308-15-0x0000000000400000-0x00000000004CC000-memory.dmp
memory/2308-19-0x0000000000400000-0x00000000004CC000-memory.dmp
memory/2308-16-0x0000000002250000-0x0000000002251000-memory.dmp
memory/2308-20-0x0000000000400000-0x00000000004CC000-memory.dmp
memory/2336-2-0x000000001BDB0000-0x000000001BE56000-memory.dmp
memory/2336-0-0x00007FFF9FFE5000-0x00007FFF9FFE6000-memory.dmp
memory/2336-14-0x00007FFF9FD30000-0x00007FFFA06D1000-memory.dmp
memory/2336-8-0x00007FFF9FD30000-0x00007FFFA06D1000-memory.dmp
memory/2336-1-0x00007FFF9FD30000-0x00007FFFA06D1000-memory.dmp