Analysis
- max time kernel
150s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
02/04/2024, 04:18
General
- Target 836a2232c085d2bd7266ff66e243a0ba_JaffaCakes118.exe
- Size 448KB
- Sample240402-ew7vwsgh78
- SHA256 e5986334029c7e764b566c306e942190f39231cfae586bf674f453e9b5d867bc
Malware Config
Extracted
-
darkcomet
-
Pipi
-
marcdalore.no-ip.org:1604
-
88.183.228.159:1604
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DC_MUTEX-0BMFXWE
-
gencode
FeC9DbbRqtxp
-
install
false
-
offline_keylogger
true
-
persistence
false
Signatures
- Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
- Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 3 IoCs
- Adds Run key to start application 2 TTPs 4 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Modifies registry class 1 IoCs
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious use of AdjustPrivilegeToken 26 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 20 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\836a2232c085d2bd7266ff66e243a0ba_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\836a2232c085d2bd7266ff66e243a0ba_JaffaCakes118.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\Winlogon\winlogon.exe"C:\Users\Admin\AppData\Roaming\Winlogon\winlogon.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\Winlogon\winlogon.exe"C:\Users\Admin\AppData\Roaming\Winlogon\winlogon.exe"3⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
-
C:\Users\Admin\AppData\Roaming\Winlogon\csrss.exe"C:\Users\Admin\AppData\Roaming\Winlogon\csrss.exe" -keyhide -prochide 3916 -reg C:\Users\Admin\AppData\Roaming\Winlogon\winlogon.exe -proc 3916 C:\Users\Admin\AppData\Roaming\Winlogon\winlogon.exe3⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
winlogon.exe
memory/2852-0-0x00000000746A0000-0x0000000074C51000-memory.dmp
memory/2852-1-0x0000000000690000-0x00000000006A0000-memory.dmp
memory/2852-2-0x00000000746A0000-0x0000000074C51000-memory.dmp
memory/2852-15-0x00000000746A0000-0x0000000074C51000-memory.dmp
memory/3040-96-0x00000000746A0000-0x0000000074C51000-memory.dmp
memory/3040-95-0x00000000746A0000-0x0000000074C51000-memory.dmp
memory/3040-93-0x00000000746A0000-0x0000000074C51000-memory.dmp
memory/3916-32-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/3916-21-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/3916-23-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/3916-24-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/3916-25-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/3916-28-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/3916-31-0x0000000001060000-0x0000000001061000-memory.dmp
memory/3916-17-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/3916-33-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/3916-19-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/3916-18-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/4896-94-0x00000000746A0000-0x0000000074C51000-memory.dmp
memory/4896-16-0x00000000746A0000-0x0000000074C51000-memory.dmp