Analysis
- max time kernel
150s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system - submitted
15/09/2024, 18:28
Behavioral task
behavioral1
Sample
e32015da0d1b4516fdddfafb4681d304_JaffaCakes118.exe
Resource
win7-20240903-en
windows7-x64
19 signatures
150 seconds
General
- Target e32015da0d1b4516fdddfafb4681d304_JaffaCakes118.exe
- Size 748KB
- Sample240915-w4rbjswhja
- SHA256 b36419591b847fb13e3a159f0cf084c893301ba82998eb6a69cb2272c27591f7
- MD5 e32015da0d1b4516fdddfafb4681d304
- SHA1 7f9601fe2ed7edf0c0d8c5c4b5a1290f15f8d77b
- SHA512 5b90b7ed52b2c717f06569287512924dfa8123f809b350bf681376ee18ea2a4102f1347929e16a28d1b662eff2d556da5bce01170f219e3724eff5fe2f9e9c08
- SSDEEP 12288:Ik0QVlhmPojAPTMEsUTg0oChO/Q2JbsbjPbN5qhRTtYe3f+Iw86k/9/+Ir:R0QRWoJEfg0oChGdJQbjPbNW5tYeP+GV
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
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darkcomet
Botnet
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Guest16
C2
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xando123.no-ip.org:1604
Mutex
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DC_MUTEX-F54S21D
Attributes
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InstallPath
MSDCSC\msdcsc.exe
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gencode
vAC6YXUVH7nH
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install
true
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offline_keylogger
true
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password
xando157
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persistence
false
-
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\\Documents\\MSDCSC\\msdcsc.exe" e32015da0d1b4516fdddfafb4681d304_JaffaCakes118.exe - Modifies firewall policy service 3 TTPs 6 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0" msdcsc.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile iexplore.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" iexplore.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0" iexplore.exe 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 - Modifies security service 2 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wscsvc\Start = "4" msdcsc.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wscsvc\Start = "4" iexplore.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\AntiVirusDisableNotify = "1" iexplore.exe - Disables RegEdit via registry modification 2 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" msdcsc.exe Set value (int) \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" iexplore.exe - Disables Task Manager via registry modification
- Sets file to hidden 1 TTPs 2 IoCs
Modifies file attributes to stop it showing in Explorer etc.
pid Process 3944 attrib.exe 5032 attrib.exe - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation e32015da0d1b4516fdddfafb4681d304_JaffaCakes118.exe - Executes dropped EXE 1 IoCs
pid Process 4932 msdcsc.exe -
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" msdcsc.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe" e32015da0d1b4516fdddfafb4681d304_JaffaCakes118.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4932 set thread context of 960 4932 msdcsc.exe 94 - 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 attrib.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 e32015da0d1b4516fdddfafb4681d304_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 - Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ e32015da0d1b4516fdddfafb4681d304_JaffaCakes118.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 960 iexplore.exe - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 2136 e32015da0d1b4516fdddfafb4681d304_JaffaCakes118.exe Token: SeSecurityPrivilege 2136 e32015da0d1b4516fdddfafb4681d304_JaffaCakes118.exe Token: SeTakeOwnershipPrivilege 2136 e32015da0d1b4516fdddfafb4681d304_JaffaCakes118.exe Token: SeLoadDriverPrivilege 2136 e32015da0d1b4516fdddfafb4681d304_JaffaCakes118.exe Token: SeSystemProfilePrivilege 2136 e32015da0d1b4516fdddfafb4681d304_JaffaCakes118.exe Token: SeSystemtimePrivilege 2136 e32015da0d1b4516fdddfafb4681d304_JaffaCakes118.exe Token: SeProfSingleProcessPrivilege 2136 e32015da0d1b4516fdddfafb4681d304_JaffaCakes118.exe Token: SeIncBasePriorityPrivilege 2136 e32015da0d1b4516fdddfafb4681d304_JaffaCakes118.exe Token: SeCreatePagefilePrivilege 2136 e32015da0d1b4516fdddfafb4681d304_JaffaCakes118.exe Token: SeBackupPrivilege 2136 e32015da0d1b4516fdddfafb4681d304_JaffaCakes118.exe Token: SeRestorePrivilege 2136 e32015da0d1b4516fdddfafb4681d304_JaffaCakes118.exe Token: SeShutdownPrivilege 2136 e32015da0d1b4516fdddfafb4681d304_JaffaCakes118.exe Token: SeDebugPrivilege 2136 e32015da0d1b4516fdddfafb4681d304_JaffaCakes118.exe Token: SeSystemEnvironmentPrivilege 2136 e32015da0d1b4516fdddfafb4681d304_JaffaCakes118.exe Token: SeChangeNotifyPrivilege 2136 e32015da0d1b4516fdddfafb4681d304_JaffaCakes118.exe Token: SeRemoteShutdownPrivilege 2136 e32015da0d1b4516fdddfafb4681d304_JaffaCakes118.exe Token: SeUndockPrivilege 2136 e32015da0d1b4516fdddfafb4681d304_JaffaCakes118.exe Token: SeManageVolumePrivilege 2136 e32015da0d1b4516fdddfafb4681d304_JaffaCakes118.exe Token: SeImpersonatePrivilege 2136 e32015da0d1b4516fdddfafb4681d304_JaffaCakes118.exe Token: SeCreateGlobalPrivilege 2136 e32015da0d1b4516fdddfafb4681d304_JaffaCakes118.exe Token: 33 2136 e32015da0d1b4516fdddfafb4681d304_JaffaCakes118.exe Token: 34 2136 e32015da0d1b4516fdddfafb4681d304_JaffaCakes118.exe Token: 35 2136 e32015da0d1b4516fdddfafb4681d304_JaffaCakes118.exe Token: 36 2136 e32015da0d1b4516fdddfafb4681d304_JaffaCakes118.exe Token: SeIncreaseQuotaPrivilege 4932 msdcsc.exe Token: SeSecurityPrivilege 4932 msdcsc.exe Token: SeTakeOwnershipPrivilege 4932 msdcsc.exe Token: SeLoadDriverPrivilege 4932 msdcsc.exe Token: SeSystemProfilePrivilege 4932 msdcsc.exe Token: SeSystemtimePrivilege 4932 msdcsc.exe Token: SeProfSingleProcessPrivilege 4932 msdcsc.exe Token: SeIncBasePriorityPrivilege 4932 msdcsc.exe Token: SeCreatePagefilePrivilege 4932 msdcsc.exe Token: SeBackupPrivilege 4932 msdcsc.exe Token: SeRestorePrivilege 4932 msdcsc.exe Token: SeShutdownPrivilege 4932 msdcsc.exe Token: SeDebugPrivilege 4932 msdcsc.exe Token: SeSystemEnvironmentPrivilege 4932 msdcsc.exe Token: SeChangeNotifyPrivilege 4932 msdcsc.exe Token: SeRemoteShutdownPrivilege 4932 msdcsc.exe Token: SeUndockPrivilege 4932 msdcsc.exe Token: SeManageVolumePrivilege 4932 msdcsc.exe Token: SeImpersonatePrivilege 4932 msdcsc.exe Token: SeCreateGlobalPrivilege 4932 msdcsc.exe Token: 33 4932 msdcsc.exe Token: 34 4932 msdcsc.exe Token: 35 4932 msdcsc.exe Token: 36 4932 msdcsc.exe Token: SeIncreaseQuotaPrivilege 960 iexplore.exe Token: SeSecurityPrivilege 960 iexplore.exe Token: SeTakeOwnershipPrivilege 960 iexplore.exe Token: SeLoadDriverPrivilege 960 iexplore.exe Token: SeSystemProfilePrivilege 960 iexplore.exe Token: SeSystemtimePrivilege 960 iexplore.exe Token: SeProfSingleProcessPrivilege 960 iexplore.exe Token: SeIncBasePriorityPrivilege 960 iexplore.exe Token: SeCreatePagefilePrivilege 960 iexplore.exe Token: SeBackupPrivilege 960 iexplore.exe Token: SeRestorePrivilege 960 iexplore.exe Token: SeShutdownPrivilege 960 iexplore.exe Token: SeDebugPrivilege 960 iexplore.exe Token: SeSystemEnvironmentPrivilege 960 iexplore.exe Token: SeChangeNotifyPrivilege 960 iexplore.exe Token: SeRemoteShutdownPrivilege 960 iexplore.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 960 iexplore.exe - Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 2136 wrote to memory of 1580 2136 e32015da0d1b4516fdddfafb4681d304_JaffaCakes118.exe 87 PID 2136 wrote to memory of 1580 2136 e32015da0d1b4516fdddfafb4681d304_JaffaCakes118.exe 87 PID 2136 wrote to memory of 1580 2136 e32015da0d1b4516fdddfafb4681d304_JaffaCakes118.exe 87 PID 2136 wrote to memory of 1996 2136 e32015da0d1b4516fdddfafb4681d304_JaffaCakes118.exe 89 PID 2136 wrote to memory of 1996 2136 e32015da0d1b4516fdddfafb4681d304_JaffaCakes118.exe 89 PID 2136 wrote to memory of 1996 2136 e32015da0d1b4516fdddfafb4681d304_JaffaCakes118.exe 89 PID 1580 wrote to memory of 5032 1580 cmd.exe 91 PID 1580 wrote to memory of 5032 1580 cmd.exe 91 PID 1580 wrote to memory of 5032 1580 cmd.exe 91 PID 1996 wrote to memory of 3944 1996 cmd.exe 92 PID 1996 wrote to memory of 3944 1996 cmd.exe 92 PID 1996 wrote to memory of 3944 1996 cmd.exe 92 PID 2136 wrote to memory of 4932 2136 e32015da0d1b4516fdddfafb4681d304_JaffaCakes118.exe 93 PID 2136 wrote to memory of 4932 2136 e32015da0d1b4516fdddfafb4681d304_JaffaCakes118.exe 93 PID 2136 wrote to memory of 4932 2136 e32015da0d1b4516fdddfafb4681d304_JaffaCakes118.exe 93 PID 4932 wrote to memory of 960 4932 msdcsc.exe 94 PID 4932 wrote to memory of 960 4932 msdcsc.exe 94 PID 4932 wrote to memory of 960 4932 msdcsc.exe 94 PID 4932 wrote to memory of 960 4932 msdcsc.exe 94 PID 4932 wrote to memory of 960 4932 msdcsc.exe 94 - Views/modifies file attributes 1 TTPs 2 IoCs
pid Process 5032 attrib.exe 3944 attrib.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\e32015da0d1b4516fdddfafb4681d304_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\e32015da0d1b4516fdddfafb4681d304_JaffaCakes118.exe"1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2136 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\e32015da0d1b4516fdddfafb4681d304_JaffaCakes118.exe" +s +h2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1580 -
C:\Windows\SysWOW64\attrib.exeattrib "C:\Users\Admin\AppData\Local\Temp\e32015da0d1b4516fdddfafb4681d304_JaffaCakes118.exe" +s +h3⤵
- Sets file to hidden
- System Location Discovery: System Language Discovery
- Views/modifies file attributes
PID:5032
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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:1996 -
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:3944
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C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"C:\Users\Admin\Documents\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
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4932 -
C:\Program Files (x86)\Internet Explorer\iexplore.exe"C:\Program Files (x86)\Internet Explorer\iexplore.exe"3⤵
- Modifies firewall policy service
- Modifies security service
- Windows security bypass
- Disables RegEdit via registry modification
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:960
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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
6Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
- Size 748KB
- SHA256 b36419591b847fb13e3a159f0cf084c893301ba82998eb6a69cb2272c27591f7
- MD5 e32015da0d1b4516fdddfafb4681d304
- SHA1 7f9601fe2ed7edf0c0d8c5c4b5a1290f15f8d77b
- SHA512 5b90b7ed52b2c717f06569287512924dfa8123f809b350bf681376ee18ea2a4102f1347929e16a28d1b662eff2d556da5bce01170f219e3724eff5fe2f9e9c08
- SSDEEP 12288:Ik0QVlhmPojAPTMEsUTg0oChO/Q2JbsbjPbN5qhRTtYe3f+Iw86k/9/+Ir:R0QRWoJEfg0oChGdJQbjPbNW5tYeP+GV
- MD5 SHA1 SHA512 SSDEEP