Analysis
- max time kernel
149s - max time network
118s - platform
windows7_x64 - resource
win7-20240704-en - resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system - submitted
29/07/2024, 02:50
Behavioral task
behavioral1
Sample
34548c36fa9c6322887e5a9374735abe_JaffaCakes118.exe
Resource
win7-20240704-en
windows7-x64
19 signatures
150 seconds
General
- Target 34548c36fa9c6322887e5a9374735abe_JaffaCakes118.exe
- Size 690KB
- Sample240729-dbs1katdne
- SHA256 1b5199a1d887ff4763b382aeafcaf2d49e354ed97b1f610984574a60ff326c77
- MD5 34548c36fa9c6322887e5a9374735abe
- SHA1 fb1b0f0abca304c5a0c2f8ab13526a7aadcea48d
- SHA512 b9ba9efa38d2e50b1e9b04099ead7725897879c360f8bfb80ed7a5b7282b9c86660b6a70b858dd85372f1851421a454d4988f5c05439282ea7fdaf3bbc505aeb
- SSDEEP 12288:p9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hT6:zZ1xuVVjfFoynPaVBUR8f+kN10EBw
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
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darkcomet
Botnet
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Guest16
C2
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127.0.0.1:1604
Mutex
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DC_MUTEX-QWSK3NR
Attributes
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InstallPath
MSDCSC\msdcsc.exe
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gencode
LdZbQGjmRsr1
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install
true
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offline_keylogger
true
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persistence
true
-
reg_key
MicroUpdate
Signatures
- Modifies WinLogon for persistence 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\AppData\\Roaming\\MSDCSC\\msdcsc.exe" 34548c36fa9c6322887e5a9374735abe_JaffaCakes118.exe - Modifies firewall policy service 3 TTPs 3 IoCs
description 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
description ioc Process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wscsvc\Start = "4" msdcsc.exe -
description 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 - Disables RegEdit via registry modification 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" msdcsc.exe - Sets file to hidden 1 TTPs 2 IoCs
Modifies file attributes to stop it showing in Explorer etc.
pid Process 2836 attrib.exe 2572 attrib.exe - Executes dropped EXE 1 IoCs
pid Process 2820 msdcsc.exe - Loads dropped DLL 2 IoCs
pid Process 3032 34548c36fa9c6322887e5a9374735abe_JaffaCakes118.exe 3032 34548c36fa9c6322887e5a9374735abe_JaffaCakes118.exe -
description 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
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\AppData\\Roaming\\MSDCSC\\msdcsc.exe" 34548c36fa9c6322887e5a9374735abe_JaffaCakes118.exe Set value (str) \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\AppData\\Roaming\\MSDCSC\\msdcsc.exe" msdcsc.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 7 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language msdcsc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language notepad.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 34548c36fa9c6322887e5a9374735abe_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.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 attrib.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2820 msdcsc.exe - Suspicious use of AdjustPrivilegeToken 46 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 3032 34548c36fa9c6322887e5a9374735abe_JaffaCakes118.exe Token: SeSecurityPrivilege 3032 34548c36fa9c6322887e5a9374735abe_JaffaCakes118.exe Token: SeTakeOwnershipPrivilege 3032 34548c36fa9c6322887e5a9374735abe_JaffaCakes118.exe Token: SeLoadDriverPrivilege 3032 34548c36fa9c6322887e5a9374735abe_JaffaCakes118.exe Token: SeSystemProfilePrivilege 3032 34548c36fa9c6322887e5a9374735abe_JaffaCakes118.exe Token: SeSystemtimePrivilege 3032 34548c36fa9c6322887e5a9374735abe_JaffaCakes118.exe Token: SeProfSingleProcessPrivilege 3032 34548c36fa9c6322887e5a9374735abe_JaffaCakes118.exe Token: SeIncBasePriorityPrivilege 3032 34548c36fa9c6322887e5a9374735abe_JaffaCakes118.exe Token: SeCreatePagefilePrivilege 3032 34548c36fa9c6322887e5a9374735abe_JaffaCakes118.exe Token: SeBackupPrivilege 3032 34548c36fa9c6322887e5a9374735abe_JaffaCakes118.exe Token: SeRestorePrivilege 3032 34548c36fa9c6322887e5a9374735abe_JaffaCakes118.exe Token: SeShutdownPrivilege 3032 34548c36fa9c6322887e5a9374735abe_JaffaCakes118.exe Token: SeDebugPrivilege 3032 34548c36fa9c6322887e5a9374735abe_JaffaCakes118.exe Token: SeSystemEnvironmentPrivilege 3032 34548c36fa9c6322887e5a9374735abe_JaffaCakes118.exe Token: SeChangeNotifyPrivilege 3032 34548c36fa9c6322887e5a9374735abe_JaffaCakes118.exe Token: SeRemoteShutdownPrivilege 3032 34548c36fa9c6322887e5a9374735abe_JaffaCakes118.exe Token: SeUndockPrivilege 3032 34548c36fa9c6322887e5a9374735abe_JaffaCakes118.exe Token: SeManageVolumePrivilege 3032 34548c36fa9c6322887e5a9374735abe_JaffaCakes118.exe Token: SeImpersonatePrivilege 3032 34548c36fa9c6322887e5a9374735abe_JaffaCakes118.exe Token: SeCreateGlobalPrivilege 3032 34548c36fa9c6322887e5a9374735abe_JaffaCakes118.exe Token: 33 3032 34548c36fa9c6322887e5a9374735abe_JaffaCakes118.exe Token: 34 3032 34548c36fa9c6322887e5a9374735abe_JaffaCakes118.exe Token: 35 3032 34548c36fa9c6322887e5a9374735abe_JaffaCakes118.exe Token: SeIncreaseQuotaPrivilege 2820 msdcsc.exe Token: SeSecurityPrivilege 2820 msdcsc.exe Token: SeTakeOwnershipPrivilege 2820 msdcsc.exe Token: SeLoadDriverPrivilege 2820 msdcsc.exe Token: SeSystemProfilePrivilege 2820 msdcsc.exe Token: SeSystemtimePrivilege 2820 msdcsc.exe Token: SeProfSingleProcessPrivilege 2820 msdcsc.exe Token: SeIncBasePriorityPrivilege 2820 msdcsc.exe Token: SeCreatePagefilePrivilege 2820 msdcsc.exe Token: SeBackupPrivilege 2820 msdcsc.exe Token: SeRestorePrivilege 2820 msdcsc.exe Token: SeShutdownPrivilege 2820 msdcsc.exe Token: SeDebugPrivilege 2820 msdcsc.exe Token: SeSystemEnvironmentPrivilege 2820 msdcsc.exe Token: SeChangeNotifyPrivilege 2820 msdcsc.exe Token: SeRemoteShutdownPrivilege 2820 msdcsc.exe Token: SeUndockPrivilege 2820 msdcsc.exe Token: SeManageVolumePrivilege 2820 msdcsc.exe Token: SeImpersonatePrivilege 2820 msdcsc.exe Token: SeCreateGlobalPrivilege 2820 msdcsc.exe Token: 33 2820 msdcsc.exe Token: 34 2820 msdcsc.exe Token: 35 2820 msdcsc.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2820 msdcsc.exe - Suspicious use of WriteProcessMemory 43 IoCs
description pid Process procid_target PID 3032 wrote to memory of 2568 3032 34548c36fa9c6322887e5a9374735abe_JaffaCakes118.exe 30 PID 3032 wrote to memory of 2568 3032 34548c36fa9c6322887e5a9374735abe_JaffaCakes118.exe 30 PID 3032 wrote to memory of 2568 3032 34548c36fa9c6322887e5a9374735abe_JaffaCakes118.exe 30 PID 3032 wrote to memory of 2568 3032 34548c36fa9c6322887e5a9374735abe_JaffaCakes118.exe 30 PID 3032 wrote to memory of 2620 3032 34548c36fa9c6322887e5a9374735abe_JaffaCakes118.exe 32 PID 3032 wrote to memory of 2620 3032 34548c36fa9c6322887e5a9374735abe_JaffaCakes118.exe 32 PID 3032 wrote to memory of 2620 3032 34548c36fa9c6322887e5a9374735abe_JaffaCakes118.exe 32 PID 3032 wrote to memory of 2620 3032 34548c36fa9c6322887e5a9374735abe_JaffaCakes118.exe 32 PID 2568 wrote to memory of 2572 2568 cmd.exe 35 PID 2568 wrote to memory of 2572 2568 cmd.exe 35 PID 2568 wrote to memory of 2572 2568 cmd.exe 35 PID 2568 wrote to memory of 2572 2568 cmd.exe 35 PID 2620 wrote to memory of 2836 2620 cmd.exe 34 PID 2620 wrote to memory of 2836 2620 cmd.exe 34 PID 2620 wrote to memory of 2836 2620 cmd.exe 34 PID 2620 wrote to memory of 2836 2620 cmd.exe 34 PID 3032 wrote to memory of 2820 3032 34548c36fa9c6322887e5a9374735abe_JaffaCakes118.exe 36 PID 3032 wrote to memory of 2820 3032 34548c36fa9c6322887e5a9374735abe_JaffaCakes118.exe 36 PID 3032 wrote to memory of 2820 3032 34548c36fa9c6322887e5a9374735abe_JaffaCakes118.exe 36 PID 3032 wrote to memory of 2820 3032 34548c36fa9c6322887e5a9374735abe_JaffaCakes118.exe 36 PID 2820 wrote to memory of 2468 2820 msdcsc.exe 37 PID 2820 wrote to memory of 2468 2820 msdcsc.exe 37 PID 2820 wrote to memory of 2468 2820 msdcsc.exe 37 PID 2820 wrote to memory of 2468 2820 msdcsc.exe 37 PID 2820 wrote to memory of 2468 2820 msdcsc.exe 37 PID 2820 wrote to memory of 2468 2820 msdcsc.exe 37 PID 2820 wrote to memory of 2468 2820 msdcsc.exe 37 PID 2820 wrote to memory of 2468 2820 msdcsc.exe 37 PID 2820 wrote to memory of 2468 2820 msdcsc.exe 37 PID 2820 wrote to memory of 2468 2820 msdcsc.exe 37 PID 2820 wrote to memory of 2468 2820 msdcsc.exe 37 PID 2820 wrote to memory of 2468 2820 msdcsc.exe 37 PID 2820 wrote to memory of 2468 2820 msdcsc.exe 37 PID 2820 wrote to memory of 2468 2820 msdcsc.exe 37 PID 2820 wrote to memory of 2468 2820 msdcsc.exe 37 PID 2820 wrote to memory of 2468 2820 msdcsc.exe 37 PID 2820 wrote to memory of 2468 2820 msdcsc.exe 37 PID 2820 wrote to memory of 2468 2820 msdcsc.exe 37 PID 2820 wrote to memory of 2468 2820 msdcsc.exe 37 PID 2820 wrote to memory of 2468 2820 msdcsc.exe 37 PID 2820 wrote to memory of 2468 2820 msdcsc.exe 37 PID 2820 wrote to memory of 2468 2820 msdcsc.exe 37 PID 2820 wrote to memory of 2468 2820 msdcsc.exe 37 - System policy modification 1 TTPs 3 IoCs
description 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
pid Process 2836 attrib.exe 2572 attrib.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\34548c36fa9c6322887e5a9374735abe_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\34548c36fa9c6322887e5a9374735abe_JaffaCakes118.exe"1⤵
- Modifies WinLogon for persistence
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3032 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\34548c36fa9c6322887e5a9374735abe_JaffaCakes118.exe" +s +h2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2568 -
C:\Windows\SysWOW64\attrib.exeattrib "C:\Users\Admin\AppData\Local\Temp\34548c36fa9c6322887e5a9374735abe_JaffaCakes118.exe" +s +h3⤵
- Sets file to hidden
- System Location Discovery: System Language Discovery
- Views/modifies file attributes
PID:2572
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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:2620 -
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:2836
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C:\Users\Admin\AppData\Roaming\MSDCSC\msdcsc.exe"C:\Users\Admin\AppData\Roaming\MSDCSC\msdcsc.exe"2⤵
- Modifies firewall policy service
- Modifies security service
- Windows security bypass
- Disables RegEdit via registry modification
- 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:2820 -
C:\Windows\SysWOW64\notepad.exenotepad3⤵
- System Location Discovery: System Language Discovery
PID:2468
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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
Loading Replay Monitor...
Downloads
- Path \Users\Admin\AppData\Roaming\MSDCSC\msdcsc.exe
- Size 690KB
- SHA256 1b5199a1d887ff4763b382aeafcaf2d49e354ed97b1f610984574a60ff326c77
- MD5 34548c36fa9c6322887e5a9374735abe
- SHA1 fb1b0f0abca304c5a0c2f8ab13526a7aadcea48d
- SHA512 b9ba9efa38d2e50b1e9b04099ead7725897879c360f8bfb80ed7a5b7282b9c86660b6a70b858dd85372f1851421a454d4988f5c05439282ea7fdaf3bbc505aeb
- SSDEEP 12288:p9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hT6:zZ1xuVVjfFoynPaVBUR8f+kN10EBw
- MD5 SHA1 SHA512 SSDEEP