Analysis
-
max time kernel
121s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
-
submitted
01/03/2025, 10:57
General
-
Target
JaffaCakes118_389a769c402b70d8df882c6ef68f25b2.exe
-
Size
825KB
-
MD5
389a769c402b70d8df882c6ef68f25b2
-
SHA1
eee96b686ab923043355353cfb99b7364ae45efb
-
SHA256
3e82726be4298544db69160ced09199c81dad606c3bb5d098bcf510041eb2c42
-
SHA512
2ee875367bfa3425c517af12d283c2ae7920f1fda44c3821279a99185c8b5df2ad3242b760c9a5cba85eeaa13074be55951a29ffbddb64ac583272e871cd5010
-
SSDEEP
24576:y0ytO3rUVidlntbUnz6Wb9IhsO6XCQ68:YKVrlUnzD9IhPJQ6
Malware Config
Extracted
darkcomet
- gencode
-
install
false
-
offline_keylogger
false
-
persistence
false
Extracted
darkcomet
Guest16
killergkhn.no-ip.biz:3460
DC_MUTEX-9GX4KY8
-
InstallPath
Windowsupdate\winupdate.exe
-
gencode
17r%FyvQ/-Ze
-
install
true
-
offline_keylogger
true
-
persistence
true
-
reg_key
winupdater
Signatures
-
Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
-
Darkcomet family
-
Modifies WinLogon for persistence 2 TTPs 1 IoCs
-
UAC bypass 3 TTPs 1 IoCs
-
Windows security bypass 2 TTPs 1 IoCs
-
Checks BIOS information in registry 2 TTPs 1 IoCs
BIOS information is often read in order to detect sandboxing environments.
-
Deletes itself 1 IoCs
-
Executes dropped EXE 1 IoCs
-
Loads dropped DLL 8 IoCs
-
Windows security modification 2 TTPs 1 IoCs
-
Adds Run key to start application 2 TTPs 1 IoCs
-
Checks whether UAC is enabled 1 TTPs 1 IoCs
-
Drops file in System32 directory 5 IoCs
-
Suspicious use of SetThreadContext 2 IoCs
-
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Program crash 1 IoCs
-
System Location Discovery: System Language Discovery 1 TTPs 6 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
-
Runs ping.exe 1 TTPs 1 IoCs
-
Suspicious use of AdjustPrivilegeToken 64 IoCs
-
Suspicious use of SetWindowsHookEx 1 IoCs
-
Suspicious use of WriteProcessMemory 50 IoCs
-
System policy modification 1 TTPs 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_389a769c402b70d8df882c6ef68f25b2.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_389a769c402b70d8df882c6ef68f25b2.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_389a769c402b70d8df882c6ef68f25b2.exeC:\Users\Admin\AppData\Local\Temp\JaffaCakes118_389a769c402b70d8df882c6ef68f25b2.exe2⤵
- UAC bypass
- Windows security bypass
- Windows security modification
- Checks whether UAC is enabled
- Drops file in System32 directory
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- System policy modification
-
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_389a769c402b70d8df882c6ef68f25b2.exeC:\Users\Admin\AppData\Local\Temp\JaffaCakes118_389a769c402b70d8df882c6ef68f25b2.exe3⤵
- Modifies WinLogon for persistence
- Checks BIOS information in registry
- Loads dropped DLL
- Adds Run key to start application
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\Windowsupdate\winupdate.exe"C:\Windows\system32\Windowsupdate\winupdate.exe"4⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\Windowsupdate\winupdate.exeC:\Windows\SysWOW64\Windowsupdate\winupdate.exe5⤵
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2700 -s 2565⤵
- Loads dropped DLL
- Program crash
-
-
-
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\_dcsc_.bat" "4⤵
- Deletes itself
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\PING.EXEping 127.0.0.1 -n 25⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
-
-
-
-
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
3Disable or Modify Tools
3Modify Registry
6Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
119B
MD5a9e53d60f9f68a24c764ffece4ee2a0f
SHA1b15886ac4c8275a01ec91a6905028c8e59aa2d6d
SHA25662310e3799344a0880525dffa619e097ea10f922f30a392df1f4147c8dba6dd6
SHA512397ae9bf05ef49107236c015ba70fa37047152845ffc16735eba9c64d3e263821cabe6268b74e22b225ff3637ac45921370e569067f490df9e4cccf3ac7a1a3c
-
Filesize
825KB
MD5389a769c402b70d8df882c6ef68f25b2
SHA1eee96b686ab923043355353cfb99b7364ae45efb
SHA2563e82726be4298544db69160ced09199c81dad606c3bb5d098bcf510041eb2c42
SHA5122ee875367bfa3425c517af12d283c2ae7920f1fda44c3821279a99185c8b5df2ad3242b760c9a5cba85eeaa13074be55951a29ffbddb64ac583272e871cd5010
-
Filesize
868KB
-
Filesize
184KB
-
Filesize
184KB
-
Filesize
184KB
-
Filesize
184KB
-
Filesize
4KB
-
Filesize
184KB
-
Filesize
184KB
-
Filesize
772KB
-
Filesize
772KB
-
Filesize
772KB
-
Filesize
772KB
-
Filesize
772KB
-
Filesize
772KB
-
Filesize
772KB
-
Filesize
772KB
-
Filesize
772KB
-
Filesize
772KB
-
Filesize
772KB
-
Filesize
772KB
-
Filesize
772KB
-
Filesize
772KB
-
Filesize
772KB
-
Filesize
772KB
-
Filesize
868KB
-
Filesize
868KB
-
Filesize
8KB
-
Filesize
868KB
-
Filesize
868KB
-
Filesize
868KB
-
Filesize
868KB
-
Filesize
868KB
-
Filesize
868KB
-
Filesize
868KB
-
Filesize
868KB