Analysis
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max time kernel
150s -
max time network
153s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
22/07/2024, 22:39
Static task
static1
Behavioral task
behavioral1
Sample
6514941d256a48e46e81a83923b006a7_JaffaCakes118.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
6514941d256a48e46e81a83923b006a7_JaffaCakes118.exe
Resource
win10v2004-20240709-en
General
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Target
6514941d256a48e46e81a83923b006a7_JaffaCakes118.exe
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Size
1.2MB
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MD5
6514941d256a48e46e81a83923b006a7
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SHA1
484b14c4b8390ca60ff9f6a0b8c9ec17d2f00658
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SHA256
18ce12cddd466ba96a7ba44b34cae65fa5ec5c299eee2f6610b52d067b644b01
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SHA512
32984fa2dc64b968d52eeb814e6f736b6e4584e9da4087809c252a7970a5504b465d50b816cecb8319fff590c97e6fdd4c73889bfa72a32e4644a3d7e92b9b59
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SSDEEP
24576:f1bk4301Z/8s1XJd5FPIZfxWw7iDZhn3uW6X0u8nAfOOtXqi/sUYCiQ/:f5krZBjd5NR+W6XrFqiEnQ/
Malware Config
Extracted
darkcomet
all
127.0.0.1:1604
gogo.no-ip.biz:1604
DC_MUTEX-YR63DF3
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InstallPath
MSDCSC\mscos.exe
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gencode
ahcGXcs4bPs8
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install
true
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offline_keylogger
true
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password
46637
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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
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Windows\\system32\\MSDCSC\\mscos.exe" 6514941d256a48e46e81a83923b006a7_JaffaCakes118.exe -
Modifies security service 2 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wscsvc\Start = "4" mscos.exe -
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" mscos.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" mscos.exe -
Sets file to hidden 1 TTPs 1 IoCs
Modifies file attributes to stop it showing in Explorer etc.
pid Process 3020 attrib.exe -
Executes dropped EXE 1 IoCs
pid Process 1284 mscos.exe -
Identifies Wine through registry keys 2 TTPs 2 IoCs
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Wine 6514941d256a48e46e81a83923b006a7_JaffaCakes118.exe Key opened \REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Wine mscos.exe -
Loads dropped DLL 2 IoCs
pid Process 2148 6514941d256a48e46e81a83923b006a7_JaffaCakes118.exe 2148 6514941d256a48e46e81a83923b006a7_JaffaCakes118.exe -
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" mscos.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" mscos.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Windows\\system32\\MSDCSC\\mscos.exe" 6514941d256a48e46e81a83923b006a7_JaffaCakes118.exe Set value (str) \REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Windows\\system32\\MSDCSC\\mscos.exe" mscos.exe -
Drops file in System32 directory 3 IoCs
description ioc Process File created C:\Windows\SysWOW64\MSDCSC\mscos.exe 6514941d256a48e46e81a83923b006a7_JaffaCakes118.exe File opened for modification C:\Windows\SysWOW64\MSDCSC\mscos.exe 6514941d256a48e46e81a83923b006a7_JaffaCakes118.exe File opened for modification C:\Windows\SysWOW64\MSDCSC\ 6514941d256a48e46e81a83923b006a7_JaffaCakes118.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 2148 6514941d256a48e46e81a83923b006a7_JaffaCakes118.exe 1284 mscos.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2148 6514941d256a48e46e81a83923b006a7_JaffaCakes118.exe 1284 mscos.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1284 mscos.exe -
Suspicious use of AdjustPrivilegeToken 46 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 2148 6514941d256a48e46e81a83923b006a7_JaffaCakes118.exe Token: SeSecurityPrivilege 2148 6514941d256a48e46e81a83923b006a7_JaffaCakes118.exe Token: SeTakeOwnershipPrivilege 2148 6514941d256a48e46e81a83923b006a7_JaffaCakes118.exe Token: SeLoadDriverPrivilege 2148 6514941d256a48e46e81a83923b006a7_JaffaCakes118.exe Token: SeSystemProfilePrivilege 2148 6514941d256a48e46e81a83923b006a7_JaffaCakes118.exe Token: SeSystemtimePrivilege 2148 6514941d256a48e46e81a83923b006a7_JaffaCakes118.exe Token: SeProfSingleProcessPrivilege 2148 6514941d256a48e46e81a83923b006a7_JaffaCakes118.exe Token: SeIncBasePriorityPrivilege 2148 6514941d256a48e46e81a83923b006a7_JaffaCakes118.exe Token: SeCreatePagefilePrivilege 2148 6514941d256a48e46e81a83923b006a7_JaffaCakes118.exe Token: SeBackupPrivilege 2148 6514941d256a48e46e81a83923b006a7_JaffaCakes118.exe Token: SeRestorePrivilege 2148 6514941d256a48e46e81a83923b006a7_JaffaCakes118.exe Token: SeShutdownPrivilege 2148 6514941d256a48e46e81a83923b006a7_JaffaCakes118.exe Token: SeDebugPrivilege 2148 6514941d256a48e46e81a83923b006a7_JaffaCakes118.exe Token: SeSystemEnvironmentPrivilege 2148 6514941d256a48e46e81a83923b006a7_JaffaCakes118.exe Token: SeChangeNotifyPrivilege 2148 6514941d256a48e46e81a83923b006a7_JaffaCakes118.exe Token: SeRemoteShutdownPrivilege 2148 6514941d256a48e46e81a83923b006a7_JaffaCakes118.exe Token: SeUndockPrivilege 2148 6514941d256a48e46e81a83923b006a7_JaffaCakes118.exe Token: SeManageVolumePrivilege 2148 6514941d256a48e46e81a83923b006a7_JaffaCakes118.exe Token: SeImpersonatePrivilege 2148 6514941d256a48e46e81a83923b006a7_JaffaCakes118.exe Token: SeCreateGlobalPrivilege 2148 6514941d256a48e46e81a83923b006a7_JaffaCakes118.exe Token: 33 2148 6514941d256a48e46e81a83923b006a7_JaffaCakes118.exe Token: 34 2148 6514941d256a48e46e81a83923b006a7_JaffaCakes118.exe Token: 35 2148 6514941d256a48e46e81a83923b006a7_JaffaCakes118.exe Token: SeIncreaseQuotaPrivilege 1284 mscos.exe Token: SeSecurityPrivilege 1284 mscos.exe Token: SeTakeOwnershipPrivilege 1284 mscos.exe Token: SeLoadDriverPrivilege 1284 mscos.exe Token: SeSystemProfilePrivilege 1284 mscos.exe Token: SeSystemtimePrivilege 1284 mscos.exe Token: SeProfSingleProcessPrivilege 1284 mscos.exe Token: SeIncBasePriorityPrivilege 1284 mscos.exe Token: SeCreatePagefilePrivilege 1284 mscos.exe Token: SeBackupPrivilege 1284 mscos.exe Token: SeRestorePrivilege 1284 mscos.exe Token: SeShutdownPrivilege 1284 mscos.exe Token: SeDebugPrivilege 1284 mscos.exe Token: SeSystemEnvironmentPrivilege 1284 mscos.exe Token: SeChangeNotifyPrivilege 1284 mscos.exe Token: SeRemoteShutdownPrivilege 1284 mscos.exe Token: SeUndockPrivilege 1284 mscos.exe Token: SeManageVolumePrivilege 1284 mscos.exe Token: SeImpersonatePrivilege 1284 mscos.exe Token: SeCreateGlobalPrivilege 1284 mscos.exe Token: 33 1284 mscos.exe Token: 34 1284 mscos.exe Token: 35 1284 mscos.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1284 mscos.exe -
Suspicious use of WriteProcessMemory 35 IoCs
description pid Process procid_target PID 2148 wrote to memory of 2012 2148 6514941d256a48e46e81a83923b006a7_JaffaCakes118.exe 30 PID 2148 wrote to memory of 2012 2148 6514941d256a48e46e81a83923b006a7_JaffaCakes118.exe 30 PID 2148 wrote to memory of 2012 2148 6514941d256a48e46e81a83923b006a7_JaffaCakes118.exe 30 PID 2148 wrote to memory of 2012 2148 6514941d256a48e46e81a83923b006a7_JaffaCakes118.exe 30 PID 2012 wrote to memory of 3020 2012 cmd.exe 32 PID 2012 wrote to memory of 3020 2012 cmd.exe 32 PID 2012 wrote to memory of 3020 2012 cmd.exe 32 PID 2012 wrote to memory of 3020 2012 cmd.exe 32 PID 2148 wrote to memory of 1284 2148 6514941d256a48e46e81a83923b006a7_JaffaCakes118.exe 33 PID 2148 wrote to memory of 1284 2148 6514941d256a48e46e81a83923b006a7_JaffaCakes118.exe 33 PID 2148 wrote to memory of 1284 2148 6514941d256a48e46e81a83923b006a7_JaffaCakes118.exe 33 PID 2148 wrote to memory of 1284 2148 6514941d256a48e46e81a83923b006a7_JaffaCakes118.exe 33 PID 1284 wrote to memory of 2680 1284 mscos.exe 34 PID 1284 wrote to memory of 2680 1284 mscos.exe 34 PID 1284 wrote to memory of 2680 1284 mscos.exe 34 PID 1284 wrote to memory of 2680 1284 mscos.exe 34 PID 1284 wrote to memory of 2680 1284 mscos.exe 34 PID 1284 wrote to memory of 2680 1284 mscos.exe 34 PID 1284 wrote to memory of 2680 1284 mscos.exe 34 PID 1284 wrote to memory of 2680 1284 mscos.exe 34 PID 1284 wrote to memory of 2680 1284 mscos.exe 34 PID 1284 wrote to memory of 2680 1284 mscos.exe 34 PID 1284 wrote to memory of 2680 1284 mscos.exe 34 PID 1284 wrote to memory of 2680 1284 mscos.exe 34 PID 1284 wrote to memory of 2680 1284 mscos.exe 34 PID 1284 wrote to memory of 2680 1284 mscos.exe 34 PID 1284 wrote to memory of 2680 1284 mscos.exe 34 PID 1284 wrote to memory of 2680 1284 mscos.exe 34 PID 1284 wrote to memory of 2680 1284 mscos.exe 34 PID 1284 wrote to memory of 2680 1284 mscos.exe 34 PID 1284 wrote to memory of 2680 1284 mscos.exe 34 PID 1284 wrote to memory of 2680 1284 mscos.exe 34 PID 1284 wrote to memory of 2680 1284 mscos.exe 34 PID 1284 wrote to memory of 2680 1284 mscos.exe 34 PID 1284 wrote to memory of 2680 1284 mscos.exe 34 -
Views/modifies file attributes 1 TTPs 1 IoCs
pid Process 3020 attrib.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\6514941d256a48e46e81a83923b006a7_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\6514941d256a48e46e81a83923b006a7_JaffaCakes118.exe"1⤵
- Modifies WinLogon for persistence
- Identifies Wine through registry keys
- Loads dropped DLL
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2148 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h2⤵
- Suspicious use of WriteProcessMemory
PID:2012 -
C:\Windows\SysWOW64\attrib.exeattrib "C:\Users\Admin\AppData\Local\Temp" +s +h3⤵
- Sets file to hidden
- Views/modifies file attributes
PID:3020
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C:\Windows\SysWOW64\MSDCSC\mscos.exe"C:\Windows\system32\MSDCSC\mscos.exe"2⤵
- Modifies security service
- Windows security bypass
- Executes dropped EXE
- Identifies Wine through registry keys
- Windows security modification
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1284 -
C:\Windows\SysWOW64\notepad.exenotepad3⤵PID:2680
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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
1Windows Service
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Create or Modify System Process
1Windows Service
1Defense Evasion
Hide Artifacts
2Hidden Files and Directories
2Impair Defenses
2Disable or Modify Tools
2Modify Registry
5Virtualization/Sandbox Evasion
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1.2MB
MD56514941d256a48e46e81a83923b006a7
SHA1484b14c4b8390ca60ff9f6a0b8c9ec17d2f00658
SHA25618ce12cddd466ba96a7ba44b34cae65fa5ec5c299eee2f6610b52d067b644b01
SHA51232984fa2dc64b968d52eeb814e6f736b6e4584e9da4087809c252a7970a5504b465d50b816cecb8319fff590c97e6fdd4c73889bfa72a32e4644a3d7e92b9b59