Analysis
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max time kernel
150s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240730-en -
resource tags
arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system -
submitted
30-07-2024 20:21
Behavioral task
behavioral1
Sample
79e6cc28e0963624948eb30a0d186e18_JaffaCakes118.exe
Resource
win7-20240705-en
General
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Target
79e6cc28e0963624948eb30a0d186e18_JaffaCakes118.exe
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Size
367KB
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MD5
79e6cc28e0963624948eb30a0d186e18
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SHA1
6f2ea39a768a353fbc274bb23b08f017cd063e6f
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SHA256
7ee15a666207cba86b1693f32ff79b40b0e45a3fca3ef47b46cb61a9c41d9f9d
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SHA512
fbb11d97af83fd50137bce2f0a322a558f4cd02bc2d58650bc65a295a1fe17cde7d8df65279aa75dc2eb02bc4d3bacfaff5742440c0ec882d1ed919fbc2e7fec
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SSDEEP
6144:Uo6mAeSeYD5An7Xu8UjsTPH1g3E6mvyiw7/+nx9b7r+oBGFQ04CQskrFLofmE:uChYWnK1EPH18E/vyN+DXIQ7JLofmE
Malware Config
Extracted
darkcomet
Guest16
116.37.6.196:1604
DC_MUTEX-MJ67NPZ
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InstallPath
MSDCSC\msdcsc.exe
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gencode
xvCNv79xVljd
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install
true
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offline_keylogger
true
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persistence
true
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reg_key
MicroUpdate
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
Processes:
79e6cc28e0963624948eb30a0d186e18_JaffaCakes118.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Windows\\MSDCSC\\msdcsc.exe" 79e6cc28e0963624948eb30a0d186e18_JaffaCakes118.exe -
Modifies firewall policy service 3 TTPs 3 IoCs
Processes:
msdcsc.exedescription ioc process Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile msdcsc.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" msdcsc.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0" msdcsc.exe -
Modifies security service 2 TTPs 1 IoCs
Processes:
msdcsc.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wscsvc\Start = "4" msdcsc.exe -
Processes:
msdcsc.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" msdcsc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" msdcsc.exe -
Sets file to hidden 1 TTPs 2 IoCs
Modifies file attributes to stop it showing in Explorer etc.
Processes:
attrib.exeattrib.exepid process 3480 attrib.exe 3380 attrib.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
79e6cc28e0963624948eb30a0d186e18_JaffaCakes118.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-807826884-2440573969-3755798217-1000\Control Panel\International\Geo\Nation 79e6cc28e0963624948eb30a0d186e18_JaffaCakes118.exe -
Deletes itself 1 IoCs
Processes:
notepad.exepid process 5052 notepad.exe -
Executes dropped EXE 1 IoCs
Processes:
msdcsc.exepid process 4556 msdcsc.exe -
Processes:
resource yara_rule behavioral2/memory/920-0-0x0000000000400000-0x00000000005A9C68-memory.dmp upx C:\Windows\MSDCSC\msdcsc.exe upx behavioral2/memory/920-17-0x0000000000400000-0x00000000005A9C68-memory.dmp upx behavioral2/memory/4556-18-0x0000000000400000-0x00000000005A9C68-memory.dmp upx behavioral2/memory/4556-21-0x0000000000400000-0x00000000005A9C68-memory.dmp upx behavioral2/memory/4556-23-0x0000000000400000-0x00000000005A9C68-memory.dmp upx behavioral2/memory/4556-25-0x0000000000400000-0x00000000005A9C68-memory.dmp upx behavioral2/memory/4556-27-0x0000000000400000-0x00000000005A9C68-memory.dmp upx behavioral2/memory/4556-29-0x0000000000400000-0x00000000005A9C68-memory.dmp upx behavioral2/memory/4556-31-0x0000000000400000-0x00000000005A9C68-memory.dmp upx behavioral2/memory/4556-33-0x0000000000400000-0x00000000005A9C68-memory.dmp upx -
Processes:
msdcsc.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" msdcsc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" msdcsc.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
msdcsc.exe79e6cc28e0963624948eb30a0d186e18_JaffaCakes118.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-807826884-2440573969-3755798217-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Windows\\MSDCSC\\msdcsc.exe" msdcsc.exe Set value (str) \REGISTRY\USER\S-1-5-21-807826884-2440573969-3755798217-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Windows\\MSDCSC\\msdcsc.exe" 79e6cc28e0963624948eb30a0d186e18_JaffaCakes118.exe -
Drops file in Windows directory 3 IoCs
Processes:
79e6cc28e0963624948eb30a0d186e18_JaffaCakes118.exedescription ioc process File created C:\Windows\MSDCSC\msdcsc.exe 79e6cc28e0963624948eb30a0d186e18_JaffaCakes118.exe File opened for modification C:\Windows\MSDCSC\msdcsc.exe 79e6cc28e0963624948eb30a0d186e18_JaffaCakes118.exe File opened for modification C:\Windows\MSDCSC\ 79e6cc28e0963624948eb30a0d186e18_JaffaCakes118.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 8 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
79e6cc28e0963624948eb30a0d186e18_JaffaCakes118.execmd.exeattrib.execmd.exeattrib.exenotepad.exemsdcsc.exenotepad.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 79e6cc28e0963624948eb30a0d186e18_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language attrib.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language attrib.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language notepad.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language msdcsc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language notepad.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
msdcsc.exepid process 4556 msdcsc.exe -
Suspicious use of AdjustPrivilegeToken 48 IoCs
Processes:
79e6cc28e0963624948eb30a0d186e18_JaffaCakes118.exemsdcsc.exedescription pid process Token: SeIncreaseQuotaPrivilege 920 79e6cc28e0963624948eb30a0d186e18_JaffaCakes118.exe Token: SeSecurityPrivilege 920 79e6cc28e0963624948eb30a0d186e18_JaffaCakes118.exe Token: SeTakeOwnershipPrivilege 920 79e6cc28e0963624948eb30a0d186e18_JaffaCakes118.exe Token: SeLoadDriverPrivilege 920 79e6cc28e0963624948eb30a0d186e18_JaffaCakes118.exe Token: SeSystemProfilePrivilege 920 79e6cc28e0963624948eb30a0d186e18_JaffaCakes118.exe Token: SeSystemtimePrivilege 920 79e6cc28e0963624948eb30a0d186e18_JaffaCakes118.exe Token: SeProfSingleProcessPrivilege 920 79e6cc28e0963624948eb30a0d186e18_JaffaCakes118.exe Token: SeIncBasePriorityPrivilege 920 79e6cc28e0963624948eb30a0d186e18_JaffaCakes118.exe Token: SeCreatePagefilePrivilege 920 79e6cc28e0963624948eb30a0d186e18_JaffaCakes118.exe Token: SeBackupPrivilege 920 79e6cc28e0963624948eb30a0d186e18_JaffaCakes118.exe Token: SeRestorePrivilege 920 79e6cc28e0963624948eb30a0d186e18_JaffaCakes118.exe Token: SeShutdownPrivilege 920 79e6cc28e0963624948eb30a0d186e18_JaffaCakes118.exe Token: SeDebugPrivilege 920 79e6cc28e0963624948eb30a0d186e18_JaffaCakes118.exe Token: SeSystemEnvironmentPrivilege 920 79e6cc28e0963624948eb30a0d186e18_JaffaCakes118.exe Token: SeChangeNotifyPrivilege 920 79e6cc28e0963624948eb30a0d186e18_JaffaCakes118.exe Token: SeRemoteShutdownPrivilege 920 79e6cc28e0963624948eb30a0d186e18_JaffaCakes118.exe Token: SeUndockPrivilege 920 79e6cc28e0963624948eb30a0d186e18_JaffaCakes118.exe Token: SeManageVolumePrivilege 920 79e6cc28e0963624948eb30a0d186e18_JaffaCakes118.exe Token: SeImpersonatePrivilege 920 79e6cc28e0963624948eb30a0d186e18_JaffaCakes118.exe Token: SeCreateGlobalPrivilege 920 79e6cc28e0963624948eb30a0d186e18_JaffaCakes118.exe Token: 33 920 79e6cc28e0963624948eb30a0d186e18_JaffaCakes118.exe Token: 34 920 79e6cc28e0963624948eb30a0d186e18_JaffaCakes118.exe Token: 35 920 79e6cc28e0963624948eb30a0d186e18_JaffaCakes118.exe Token: 36 920 79e6cc28e0963624948eb30a0d186e18_JaffaCakes118.exe Token: SeIncreaseQuotaPrivilege 4556 msdcsc.exe Token: SeSecurityPrivilege 4556 msdcsc.exe Token: SeTakeOwnershipPrivilege 4556 msdcsc.exe Token: SeLoadDriverPrivilege 4556 msdcsc.exe Token: SeSystemProfilePrivilege 4556 msdcsc.exe Token: SeSystemtimePrivilege 4556 msdcsc.exe Token: SeProfSingleProcessPrivilege 4556 msdcsc.exe Token: SeIncBasePriorityPrivilege 4556 msdcsc.exe Token: SeCreatePagefilePrivilege 4556 msdcsc.exe Token: SeBackupPrivilege 4556 msdcsc.exe Token: SeRestorePrivilege 4556 msdcsc.exe Token: SeShutdownPrivilege 4556 msdcsc.exe Token: SeDebugPrivilege 4556 msdcsc.exe Token: SeSystemEnvironmentPrivilege 4556 msdcsc.exe Token: SeChangeNotifyPrivilege 4556 msdcsc.exe Token: SeRemoteShutdownPrivilege 4556 msdcsc.exe Token: SeUndockPrivilege 4556 msdcsc.exe Token: SeManageVolumePrivilege 4556 msdcsc.exe Token: SeImpersonatePrivilege 4556 msdcsc.exe Token: SeCreateGlobalPrivilege 4556 msdcsc.exe Token: 33 4556 msdcsc.exe Token: 34 4556 msdcsc.exe Token: 35 4556 msdcsc.exe Token: 36 4556 msdcsc.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
msdcsc.exepid process 4556 msdcsc.exe -
Suspicious use of WriteProcessMemory 59 IoCs
Processes:
79e6cc28e0963624948eb30a0d186e18_JaffaCakes118.execmd.execmd.exemsdcsc.exedescription pid process target process PID 920 wrote to memory of 3824 920 79e6cc28e0963624948eb30a0d186e18_JaffaCakes118.exe cmd.exe PID 920 wrote to memory of 3824 920 79e6cc28e0963624948eb30a0d186e18_JaffaCakes118.exe cmd.exe PID 920 wrote to memory of 3824 920 79e6cc28e0963624948eb30a0d186e18_JaffaCakes118.exe cmd.exe PID 920 wrote to memory of 3744 920 79e6cc28e0963624948eb30a0d186e18_JaffaCakes118.exe cmd.exe PID 920 wrote to memory of 3744 920 79e6cc28e0963624948eb30a0d186e18_JaffaCakes118.exe cmd.exe PID 920 wrote to memory of 3744 920 79e6cc28e0963624948eb30a0d186e18_JaffaCakes118.exe cmd.exe PID 3824 wrote to memory of 3480 3824 cmd.exe attrib.exe PID 3824 wrote to memory of 3480 3824 cmd.exe attrib.exe PID 3824 wrote to memory of 3480 3824 cmd.exe attrib.exe PID 3744 wrote to memory of 3380 3744 cmd.exe attrib.exe PID 3744 wrote to memory of 3380 3744 cmd.exe attrib.exe PID 3744 wrote to memory of 3380 3744 cmd.exe attrib.exe PID 920 wrote to memory of 5052 920 79e6cc28e0963624948eb30a0d186e18_JaffaCakes118.exe notepad.exe PID 920 wrote to memory of 5052 920 79e6cc28e0963624948eb30a0d186e18_JaffaCakes118.exe notepad.exe PID 920 wrote to memory of 5052 920 79e6cc28e0963624948eb30a0d186e18_JaffaCakes118.exe notepad.exe PID 920 wrote to memory of 5052 920 79e6cc28e0963624948eb30a0d186e18_JaffaCakes118.exe notepad.exe PID 920 wrote to memory of 5052 920 79e6cc28e0963624948eb30a0d186e18_JaffaCakes118.exe notepad.exe PID 920 wrote to memory of 5052 920 79e6cc28e0963624948eb30a0d186e18_JaffaCakes118.exe notepad.exe PID 920 wrote to memory of 5052 920 79e6cc28e0963624948eb30a0d186e18_JaffaCakes118.exe notepad.exe PID 920 wrote to memory of 5052 920 79e6cc28e0963624948eb30a0d186e18_JaffaCakes118.exe notepad.exe PID 920 wrote to memory of 5052 920 79e6cc28e0963624948eb30a0d186e18_JaffaCakes118.exe notepad.exe PID 920 wrote to memory of 5052 920 79e6cc28e0963624948eb30a0d186e18_JaffaCakes118.exe notepad.exe PID 920 wrote to memory of 5052 920 79e6cc28e0963624948eb30a0d186e18_JaffaCakes118.exe notepad.exe PID 920 wrote to memory of 5052 920 79e6cc28e0963624948eb30a0d186e18_JaffaCakes118.exe notepad.exe PID 920 wrote to memory of 5052 920 79e6cc28e0963624948eb30a0d186e18_JaffaCakes118.exe notepad.exe PID 920 wrote to memory of 5052 920 79e6cc28e0963624948eb30a0d186e18_JaffaCakes118.exe notepad.exe PID 920 wrote to memory of 5052 920 79e6cc28e0963624948eb30a0d186e18_JaffaCakes118.exe notepad.exe PID 920 wrote to memory of 5052 920 79e6cc28e0963624948eb30a0d186e18_JaffaCakes118.exe notepad.exe PID 920 wrote to memory of 5052 920 79e6cc28e0963624948eb30a0d186e18_JaffaCakes118.exe notepad.exe PID 920 wrote to memory of 4556 920 79e6cc28e0963624948eb30a0d186e18_JaffaCakes118.exe msdcsc.exe PID 920 wrote to memory of 4556 920 79e6cc28e0963624948eb30a0d186e18_JaffaCakes118.exe msdcsc.exe PID 920 wrote to memory of 4556 920 79e6cc28e0963624948eb30a0d186e18_JaffaCakes118.exe msdcsc.exe PID 4556 wrote to memory of 2720 4556 msdcsc.exe iexplore.exe PID 4556 wrote to memory of 2720 4556 msdcsc.exe iexplore.exe PID 4556 wrote to memory of 2720 4556 msdcsc.exe iexplore.exe PID 4556 wrote to memory of 3316 4556 msdcsc.exe explorer.exe PID 4556 wrote to memory of 3316 4556 msdcsc.exe explorer.exe PID 4556 wrote to memory of 4460 4556 msdcsc.exe notepad.exe PID 4556 wrote to memory of 4460 4556 msdcsc.exe notepad.exe PID 4556 wrote to memory of 4460 4556 msdcsc.exe notepad.exe PID 4556 wrote to memory of 4460 4556 msdcsc.exe notepad.exe PID 4556 wrote to memory of 4460 4556 msdcsc.exe notepad.exe PID 4556 wrote to memory of 4460 4556 msdcsc.exe notepad.exe PID 4556 wrote to memory of 4460 4556 msdcsc.exe notepad.exe PID 4556 wrote to memory of 4460 4556 msdcsc.exe notepad.exe PID 4556 wrote to memory of 4460 4556 msdcsc.exe notepad.exe PID 4556 wrote to memory of 4460 4556 msdcsc.exe notepad.exe PID 4556 wrote to memory of 4460 4556 msdcsc.exe notepad.exe PID 4556 wrote to memory of 4460 4556 msdcsc.exe notepad.exe PID 4556 wrote to memory of 4460 4556 msdcsc.exe notepad.exe PID 4556 wrote to memory of 4460 4556 msdcsc.exe notepad.exe PID 4556 wrote to memory of 4460 4556 msdcsc.exe notepad.exe PID 4556 wrote to memory of 4460 4556 msdcsc.exe notepad.exe PID 4556 wrote to memory of 4460 4556 msdcsc.exe notepad.exe PID 4556 wrote to memory of 4460 4556 msdcsc.exe notepad.exe PID 4556 wrote to memory of 4460 4556 msdcsc.exe notepad.exe PID 4556 wrote to memory of 4460 4556 msdcsc.exe notepad.exe PID 4556 wrote to memory of 4460 4556 msdcsc.exe notepad.exe PID 4556 wrote to memory of 4460 4556 msdcsc.exe notepad.exe -
System policy modification 1 TTPs 3 IoCs
Processes:
msdcsc.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion msdcsc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern msdcsc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern\NoControlPanel = "1" msdcsc.exe -
Views/modifies file attributes 1 TTPs 2 IoCs
Processes:
attrib.exeattrib.exepid process 3480 attrib.exe 3380 attrib.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\79e6cc28e0963624948eb30a0d186e18_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\79e6cc28e0963624948eb30a0d186e18_JaffaCakes118.exe"1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:920 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\79e6cc28e0963624948eb30a0d186e18_JaffaCakes118.exe" +s +h2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3824 -
C:\Windows\SysWOW64\attrib.exeattrib "C:\Users\Admin\AppData\Local\Temp\79e6cc28e0963624948eb30a0d186e18_JaffaCakes118.exe" +s +h3⤵
- Sets file to hidden
- System Location Discovery: System Language Discovery
- Views/modifies file attributes
PID:3480 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3744 -
C:\Windows\SysWOW64\attrib.exeattrib "C:\Users\Admin\AppData\Local\Temp" +s +h3⤵
- Sets file to hidden
- System Location Discovery: System Language Discovery
- Views/modifies file attributes
PID:3380 -
C:\Windows\SysWOW64\notepad.exenotepad2⤵
- Deletes itself
- System Location Discovery: System Language Discovery
PID:5052 -
C:\Windows\MSDCSC\msdcsc.exe"C:\Windows\MSDCSC\msdcsc.exe"2⤵
- Modifies firewall policy service
- Modifies security service
- Windows security bypass
- Executes dropped EXE
- Windows security modification
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- System policy modification
PID:4556 -
C:\Program Files (x86)\Internet Explorer\iexplore.exe"C:\Program Files (x86)\Internet Explorer\iexplore.exe"3⤵PID:2720
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C:\Windows\explorer.exe"C:\Windows\explorer.exe"3⤵PID:3316
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C:\Windows\SysWOW64\notepad.exenotepad3⤵
- System Location Discovery: System Language Discovery
PID:4460
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Create or Modify System Process
2Windows Service
2Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Create or Modify System Process
2Windows Service
2Defense Evasion
Hide Artifacts
2Hidden Files and Directories
2Impair Defenses
3Disable or Modify System Firewall
1Disable or Modify Tools
2Modify Registry
7Replay Monitor
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Downloads
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Filesize
367KB
MD579e6cc28e0963624948eb30a0d186e18
SHA16f2ea39a768a353fbc274bb23b08f017cd063e6f
SHA2567ee15a666207cba86b1693f32ff79b40b0e45a3fca3ef47b46cb61a9c41d9f9d
SHA512fbb11d97af83fd50137bce2f0a322a558f4cd02bc2d58650bc65a295a1fe17cde7d8df65279aa75dc2eb02bc4d3bacfaff5742440c0ec882d1ed919fbc2e7fec