Analysis
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max time kernel
150s -
max time network
124s -
platform
windows7_x64 -
resource
win7-20240705-en -
resource tags
arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system -
submitted
01-08-2024 18:59
Behavioral task
behavioral1
Sample
819df246b27da35f467f59c80f167bc9_JaffaCakes118.exe
Resource
win7-20240705-en
General
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Target
819df246b27da35f467f59c80f167bc9_JaffaCakes118.exe
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Size
350KB
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MD5
819df246b27da35f467f59c80f167bc9
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SHA1
1e37271655b1e9499de89b2e836138151e1dd7f7
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SHA256
eacf46e22b979eceb17b7d63ade9fbaae70a7aa10346cf7bf0bf0cd374c53f1a
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SHA512
b04ef5971b941df40c3427a6a39774c9f0f993b6d2b4c858bd1ffcaeeb5570fd1491236af52ac437902de0e451a71230b0e3aed7f4a0d98e818e28f7e67a02a1
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SSDEEP
6144:4D7cY2fgssM7Wirg9KXylmRiL+QMeC/i6isqX7UovnONztByipwxZDh585LLTMdi:4l8E4w5huat7UovONzbXwZ58dMd0QZhw
Malware Config
Extracted
darkcomet
Guest16
iwinuwin.no-ip.biz:1604
DC_MUTEX-DB8SYQ3
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InstallPath
MSDCSC\msdcsc.exe
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gencode
A1EK50iyckHV
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install
true
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offline_keylogger
true
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persistence
false
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reg_key
MicroUpdate
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
Processes:
819df246b27da35f467f59c80f167bc9_JaffaCakes118.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\MSDCSC\\msdcsc.exe" 819df246b27da35f467f59c80f167bc9_JaffaCakes118.exe -
Executes dropped EXE 1 IoCs
Processes:
msdcsc.exepid process 2840 msdcsc.exe -
Loads dropped DLL 2 IoCs
Processes:
819df246b27da35f467f59c80f167bc9_JaffaCakes118.exepid process 2772 819df246b27da35f467f59c80f167bc9_JaffaCakes118.exe 2772 819df246b27da35f467f59c80f167bc9_JaffaCakes118.exe -
Processes:
resource yara_rule behavioral1/memory/2772-0-0x0000000000400000-0x00000000004EB000-memory.dmp upx \MSDCSC\msdcsc.exe upx behavioral1/memory/2840-15-0x0000000000400000-0x00000000004EB000-memory.dmp upx behavioral1/memory/2772-13-0x0000000000400000-0x00000000004EB000-memory.dmp upx behavioral1/memory/2824-18-0x0000000000400000-0x00000000004EB000-memory.dmp upx behavioral1/memory/2840-20-0x0000000000400000-0x00000000004EB000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
819df246b27da35f467f59c80f167bc9_JaffaCakes118.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\MSDCSC\\msdcsc.exe" 819df246b27da35f467f59c80f167bc9_JaffaCakes118.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
msdcsc.exedescription pid process target process PID 2840 set thread context of 2824 2840 msdcsc.exe iexplore.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 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
819df246b27da35f467f59c80f167bc9_JaffaCakes118.exemsdcsc.exeiexplore.exenotepad.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 819df246b27da35f467f59c80f167bc9_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language msdcsc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language iexplore.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language notepad.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
819df246b27da35f467f59c80f167bc9_JaffaCakes118.exemsdcsc.exeiexplore.exedescription pid process Token: SeIncreaseQuotaPrivilege 2772 819df246b27da35f467f59c80f167bc9_JaffaCakes118.exe Token: SeSecurityPrivilege 2772 819df246b27da35f467f59c80f167bc9_JaffaCakes118.exe Token: SeTakeOwnershipPrivilege 2772 819df246b27da35f467f59c80f167bc9_JaffaCakes118.exe Token: SeLoadDriverPrivilege 2772 819df246b27da35f467f59c80f167bc9_JaffaCakes118.exe Token: SeSystemProfilePrivilege 2772 819df246b27da35f467f59c80f167bc9_JaffaCakes118.exe Token: SeSystemtimePrivilege 2772 819df246b27da35f467f59c80f167bc9_JaffaCakes118.exe Token: SeProfSingleProcessPrivilege 2772 819df246b27da35f467f59c80f167bc9_JaffaCakes118.exe Token: SeIncBasePriorityPrivilege 2772 819df246b27da35f467f59c80f167bc9_JaffaCakes118.exe Token: SeCreatePagefilePrivilege 2772 819df246b27da35f467f59c80f167bc9_JaffaCakes118.exe Token: SeBackupPrivilege 2772 819df246b27da35f467f59c80f167bc9_JaffaCakes118.exe Token: SeRestorePrivilege 2772 819df246b27da35f467f59c80f167bc9_JaffaCakes118.exe Token: SeShutdownPrivilege 2772 819df246b27da35f467f59c80f167bc9_JaffaCakes118.exe Token: SeDebugPrivilege 2772 819df246b27da35f467f59c80f167bc9_JaffaCakes118.exe Token: SeSystemEnvironmentPrivilege 2772 819df246b27da35f467f59c80f167bc9_JaffaCakes118.exe Token: SeChangeNotifyPrivilege 2772 819df246b27da35f467f59c80f167bc9_JaffaCakes118.exe Token: SeRemoteShutdownPrivilege 2772 819df246b27da35f467f59c80f167bc9_JaffaCakes118.exe Token: SeUndockPrivilege 2772 819df246b27da35f467f59c80f167bc9_JaffaCakes118.exe Token: SeManageVolumePrivilege 2772 819df246b27da35f467f59c80f167bc9_JaffaCakes118.exe Token: SeImpersonatePrivilege 2772 819df246b27da35f467f59c80f167bc9_JaffaCakes118.exe Token: SeCreateGlobalPrivilege 2772 819df246b27da35f467f59c80f167bc9_JaffaCakes118.exe Token: 33 2772 819df246b27da35f467f59c80f167bc9_JaffaCakes118.exe Token: 34 2772 819df246b27da35f467f59c80f167bc9_JaffaCakes118.exe Token: 35 2772 819df246b27da35f467f59c80f167bc9_JaffaCakes118.exe Token: SeIncreaseQuotaPrivilege 2840 msdcsc.exe Token: SeSecurityPrivilege 2840 msdcsc.exe Token: SeTakeOwnershipPrivilege 2840 msdcsc.exe Token: SeLoadDriverPrivilege 2840 msdcsc.exe Token: SeSystemProfilePrivilege 2840 msdcsc.exe Token: SeSystemtimePrivilege 2840 msdcsc.exe Token: SeProfSingleProcessPrivilege 2840 msdcsc.exe Token: SeIncBasePriorityPrivilege 2840 msdcsc.exe Token: SeCreatePagefilePrivilege 2840 msdcsc.exe Token: SeBackupPrivilege 2840 msdcsc.exe Token: SeRestorePrivilege 2840 msdcsc.exe Token: SeShutdownPrivilege 2840 msdcsc.exe Token: SeDebugPrivilege 2840 msdcsc.exe Token: SeSystemEnvironmentPrivilege 2840 msdcsc.exe Token: SeChangeNotifyPrivilege 2840 msdcsc.exe Token: SeRemoteShutdownPrivilege 2840 msdcsc.exe Token: SeUndockPrivilege 2840 msdcsc.exe Token: SeManageVolumePrivilege 2840 msdcsc.exe Token: SeImpersonatePrivilege 2840 msdcsc.exe Token: SeCreateGlobalPrivilege 2840 msdcsc.exe Token: 33 2840 msdcsc.exe Token: 34 2840 msdcsc.exe Token: 35 2840 msdcsc.exe Token: SeIncreaseQuotaPrivilege 2824 iexplore.exe Token: SeSecurityPrivilege 2824 iexplore.exe Token: SeTakeOwnershipPrivilege 2824 iexplore.exe Token: SeLoadDriverPrivilege 2824 iexplore.exe Token: SeSystemProfilePrivilege 2824 iexplore.exe Token: SeSystemtimePrivilege 2824 iexplore.exe Token: SeProfSingleProcessPrivilege 2824 iexplore.exe Token: SeIncBasePriorityPrivilege 2824 iexplore.exe Token: SeCreatePagefilePrivilege 2824 iexplore.exe Token: SeBackupPrivilege 2824 iexplore.exe Token: SeRestorePrivilege 2824 iexplore.exe Token: SeShutdownPrivilege 2824 iexplore.exe Token: SeDebugPrivilege 2824 iexplore.exe Token: SeSystemEnvironmentPrivilege 2824 iexplore.exe Token: SeChangeNotifyPrivilege 2824 iexplore.exe Token: SeRemoteShutdownPrivilege 2824 iexplore.exe Token: SeUndockPrivilege 2824 iexplore.exe Token: SeManageVolumePrivilege 2824 iexplore.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
iexplore.exepid process 2824 iexplore.exe -
Suspicious use of WriteProcessMemory 33 IoCs
Processes:
819df246b27da35f467f59c80f167bc9_JaffaCakes118.exemsdcsc.exeiexplore.exedescription pid process target process PID 2772 wrote to memory of 2840 2772 819df246b27da35f467f59c80f167bc9_JaffaCakes118.exe msdcsc.exe PID 2772 wrote to memory of 2840 2772 819df246b27da35f467f59c80f167bc9_JaffaCakes118.exe msdcsc.exe PID 2772 wrote to memory of 2840 2772 819df246b27da35f467f59c80f167bc9_JaffaCakes118.exe msdcsc.exe PID 2772 wrote to memory of 2840 2772 819df246b27da35f467f59c80f167bc9_JaffaCakes118.exe msdcsc.exe PID 2840 wrote to memory of 2824 2840 msdcsc.exe iexplore.exe PID 2840 wrote to memory of 2824 2840 msdcsc.exe iexplore.exe PID 2840 wrote to memory of 2824 2840 msdcsc.exe iexplore.exe PID 2840 wrote to memory of 2824 2840 msdcsc.exe iexplore.exe PID 2840 wrote to memory of 2824 2840 msdcsc.exe iexplore.exe PID 2840 wrote to memory of 2824 2840 msdcsc.exe iexplore.exe PID 2824 wrote to memory of 1768 2824 iexplore.exe notepad.exe PID 2824 wrote to memory of 1768 2824 iexplore.exe notepad.exe PID 2824 wrote to memory of 1768 2824 iexplore.exe notepad.exe PID 2824 wrote to memory of 1768 2824 iexplore.exe notepad.exe PID 2824 wrote to memory of 1768 2824 iexplore.exe notepad.exe PID 2824 wrote to memory of 1768 2824 iexplore.exe notepad.exe PID 2824 wrote to memory of 1768 2824 iexplore.exe notepad.exe PID 2824 wrote to memory of 1768 2824 iexplore.exe notepad.exe PID 2824 wrote to memory of 1768 2824 iexplore.exe notepad.exe PID 2824 wrote to memory of 1768 2824 iexplore.exe notepad.exe PID 2824 wrote to memory of 1768 2824 iexplore.exe notepad.exe PID 2824 wrote to memory of 1768 2824 iexplore.exe notepad.exe PID 2824 wrote to memory of 1768 2824 iexplore.exe notepad.exe PID 2824 wrote to memory of 1768 2824 iexplore.exe notepad.exe PID 2824 wrote to memory of 1768 2824 iexplore.exe notepad.exe PID 2824 wrote to memory of 1768 2824 iexplore.exe notepad.exe PID 2824 wrote to memory of 1768 2824 iexplore.exe notepad.exe PID 2824 wrote to memory of 1768 2824 iexplore.exe notepad.exe PID 2824 wrote to memory of 1768 2824 iexplore.exe notepad.exe PID 2824 wrote to memory of 1768 2824 iexplore.exe notepad.exe PID 2824 wrote to memory of 1768 2824 iexplore.exe notepad.exe PID 2824 wrote to memory of 1768 2824 iexplore.exe notepad.exe PID 2824 wrote to memory of 1768 2824 iexplore.exe notepad.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\819df246b27da35f467f59c80f167bc9_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\819df246b27da35f467f59c80f167bc9_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:2772 -
C:\MSDCSC\msdcsc.exe"C:\MSDCSC\msdcsc.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2840 -
C:\Program Files (x86)\Internet Explorer\iexplore.exe"C:\Program Files (x86)\Internet Explorer\iexplore.exe"3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2824 -
C:\Windows\SysWOW64\notepad.exenotepad4⤵
- System Location Discovery: System Language Discovery
PID:1768
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Replay Monitor
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Downloads
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Filesize
350KB
MD5819df246b27da35f467f59c80f167bc9
SHA11e37271655b1e9499de89b2e836138151e1dd7f7
SHA256eacf46e22b979eceb17b7d63ade9fbaae70a7aa10346cf7bf0bf0cd374c53f1a
SHA512b04ef5971b941df40c3427a6a39774c9f0f993b6d2b4c858bd1ffcaeeb5570fd1491236af52ac437902de0e451a71230b0e3aed7f4a0d98e818e28f7e67a02a1