Analysis
- max time kernel
150s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240709-en - resource tags
- submitted
18/07/2024, 14:16
General
- Target 57bb3bf6bb4192aaff7538982231d0a3_JaffaCakes118.exe
- Size 2.0MB
- Sample240718-rlbe6avfrd
- SHA256 709ab59c9b18041c5dcc12c7febb5da8130eda5f6120fe23dd5a198f61cbef40
Malware Config
Extracted
-
darkcomet
-
Guest16
-
mbh22.zapto.org:1604
-
DC_MUTEX-SX0FFJK
-
gencode
UJuXq6rYtfop
-
install
false
-
offline_keylogger
true
-
persistence
false
Signatures
- Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
- Modifies firewall policy service 3 TTPs 3 IoCs
- Disables RegEdit via registry modification 1 IoCs
- Disables Task Manager via registry modification
- Sets file to hidden 1 TTPs 1 IoCs
Modifies file attributes to stop it showing in Explorer etc.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious use of AdjustPrivilegeToken 24 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 6 IoCs
- Views/modifies file attributes 1 TTPs 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\57bb3bf6bb4192aaff7538982231d0a3_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\57bb3bf6bb4192aaff7538982231d0a3_JaffaCakes118.exe"1⤵
- Modifies firewall policy service
- Disables RegEdit via registry modification
- Checks computer location settings
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\57bb3bf6bb4192aaff7538982231d0a3_JaffaCakes118.exe" +s +h2⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\attrib.exeattrib "C:\Users\Admin\AppData\Local\Temp\57bb3bf6bb4192aaff7538982231d0a3_JaffaCakes118.exe" +s +h3⤵
- Sets file to hidden
- Views/modifies file attributes
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
memory/2700-0-0x0000000000400000-0x00000000004E7000-memory.dmp
memory/2700-1-0x0000000000400000-0x00000000004E7000-memory.dmp
memory/2700-2-0x000000000048F000-0x0000000000491000-memory.dmp
memory/2700-3-0x0000000000400000-0x00000000004E7000-memory.dmp
memory/2700-4-0x0000000000400000-0x00000000004E7000-memory.dmp
memory/2700-5-0x0000000000400000-0x00000000004E7000-memory.dmp
memory/2700-6-0x0000000000400000-0x00000000004E7000-memory.dmp
memory/2700-7-0x0000000000400000-0x00000000004E7000-memory.dmp
memory/2700-8-0x0000000000400000-0x00000000004E7000-memory.dmp
memory/2700-9-0x0000000000400000-0x00000000004E7000-memory.dmp
memory/2700-10-0x0000000000400000-0x00000000004E7000-memory.dmp
memory/2700-11-0x0000000000400000-0x00000000004E7000-memory.dmp
memory/2700-12-0x0000000000400000-0x00000000004E7000-memory.dmp
memory/2700-13-0x0000000000400000-0x00000000004E7000-memory.dmp
memory/2700-14-0x0000000000400000-0x00000000004E7000-memory.dmp
memory/2700-15-0x0000000000400000-0x00000000004E7000-memory.dmp
memory/2700-16-0x0000000000400000-0x00000000004E7000-memory.dmp
memory/2700-17-0x0000000000400000-0x00000000004E7000-memory.dmp
memory/2700-18-0x0000000000400000-0x00000000004E7000-memory.dmp
memory/2700-19-0x0000000000400000-0x00000000004E7000-memory.dmp
memory/2700-20-0x0000000000400000-0x00000000004E7000-memory.dmp