Analysis
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max time kernel
149s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
14-12-2024 20:16
Behavioral task
behavioral1
Sample
bebe.exe
Resource
win7-20240903-en
windows7-x64
22 signatures
150 seconds
General
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Target
bebe.exe
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Size
673KB
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MD5
c54bab8eb46885b47508cfbfde84d078
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SHA1
120c346c4e73ebced892acecb4221614ebb8dd33
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SHA256
f19cedc8f5dd2c0a5d788a55f2232c8e26b32067fe113762688d83aff4ce99f6
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SHA512
ef2bfffca1582fc968620af5356339f3a053c58f9f677efcbb902aa3e4b50eb05c693326ac70e619451a3e819b82f5d42f684e374937b26f81db770ceaaa2a1e
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SSDEEP
12288:S9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hOvk:+Z1xuVVjfFoynPaVBUR8f+kN10EB8vk
Malware Config
Extracted
Family
darkcomet
Botnet
Ýndiren
C2
127.0.0.1:1604
Mutex
DC_MUTEX-V1NDW18
Attributes
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InstallPath
Windows gezgini\explorer.exe
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gencode
0uLqlTjXDDg2
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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
System
Signatures
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Darkcomet family
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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\\Windows gezgini\\explorer.exe" bebe.exe -
Modifies firewall policy service 3 TTPs 6 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" explorer.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0" explorer.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 explorer.exe -
Modifies security service 2 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wscsvc\Start = "4" explorer.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" explorer.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" explorer.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" iexplore.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" iexplore.exe -
Disables RegEdit via registry modification 2 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" explorer.exe Set value (int) \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" iexplore.exe -
Disables Task Manager via registry modification
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Sets file to hidden 1 TTPs 2 IoCs
Modifies file attributes to stop it showing in Explorer etc.
pid Process 1164 attrib.exe 1696 attrib.exe -
Executes dropped EXE 1 IoCs
pid Process 1804 explorer.exe -
Loads dropped DLL 2 IoCs
pid Process 1884 bebe.exe 1884 bebe.exe -
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" explorer.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" explorer.exe -
Adds Run key to start application 2 TTPs 3 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\System = "C:\\Windows\\system32\\Windows gezgini\\explorer.exe" bebe.exe Set value (str) \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\System = "C:\\Windows\\system32\\Windows gezgini\\explorer.exe" explorer.exe Set value (str) \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\System = "C:\\Windows\\system32\\Windows gezgini\\explorer.exe" iexplore.exe -
Drops file in System32 directory 3 IoCs
description ioc Process File created C:\Windows\SysWOW64\Windows gezgini\explorer.exe bebe.exe File opened for modification C:\Windows\SysWOW64\Windows gezgini\explorer.exe bebe.exe File opened for modification C:\Windows\SysWOW64\Windows gezgini\ bebe.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1804 set thread context of 2704 1804 explorer.exe 37 -
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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language iexplore.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language notepad.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language bebe.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 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language explorer.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 1884 bebe.exe Token: SeSecurityPrivilege 1884 bebe.exe Token: SeTakeOwnershipPrivilege 1884 bebe.exe Token: SeLoadDriverPrivilege 1884 bebe.exe Token: SeSystemProfilePrivilege 1884 bebe.exe Token: SeSystemtimePrivilege 1884 bebe.exe Token: SeProfSingleProcessPrivilege 1884 bebe.exe Token: SeIncBasePriorityPrivilege 1884 bebe.exe Token: SeCreatePagefilePrivilege 1884 bebe.exe Token: SeBackupPrivilege 1884 bebe.exe Token: SeRestorePrivilege 1884 bebe.exe Token: SeShutdownPrivilege 1884 bebe.exe Token: SeDebugPrivilege 1884 bebe.exe Token: SeSystemEnvironmentPrivilege 1884 bebe.exe Token: SeChangeNotifyPrivilege 1884 bebe.exe Token: SeRemoteShutdownPrivilege 1884 bebe.exe Token: SeUndockPrivilege 1884 bebe.exe Token: SeManageVolumePrivilege 1884 bebe.exe Token: SeImpersonatePrivilege 1884 bebe.exe Token: SeCreateGlobalPrivilege 1884 bebe.exe Token: 33 1884 bebe.exe Token: 34 1884 bebe.exe Token: 35 1884 bebe.exe Token: SeIncreaseQuotaPrivilege 1804 explorer.exe Token: SeSecurityPrivilege 1804 explorer.exe Token: SeTakeOwnershipPrivilege 1804 explorer.exe Token: SeLoadDriverPrivilege 1804 explorer.exe Token: SeSystemProfilePrivilege 1804 explorer.exe Token: SeSystemtimePrivilege 1804 explorer.exe Token: SeProfSingleProcessPrivilege 1804 explorer.exe Token: SeIncBasePriorityPrivilege 1804 explorer.exe Token: SeCreatePagefilePrivilege 1804 explorer.exe Token: SeBackupPrivilege 1804 explorer.exe Token: SeRestorePrivilege 1804 explorer.exe Token: SeShutdownPrivilege 1804 explorer.exe Token: SeDebugPrivilege 1804 explorer.exe Token: SeSystemEnvironmentPrivilege 1804 explorer.exe Token: SeChangeNotifyPrivilege 1804 explorer.exe Token: SeRemoteShutdownPrivilege 1804 explorer.exe Token: SeUndockPrivilege 1804 explorer.exe Token: SeManageVolumePrivilege 1804 explorer.exe Token: SeImpersonatePrivilege 1804 explorer.exe Token: SeCreateGlobalPrivilege 1804 explorer.exe Token: 33 1804 explorer.exe Token: 34 1804 explorer.exe Token: 35 1804 explorer.exe Token: SeIncreaseQuotaPrivilege 2704 iexplore.exe Token: SeSecurityPrivilege 2704 iexplore.exe Token: SeTakeOwnershipPrivilege 2704 iexplore.exe Token: SeLoadDriverPrivilege 2704 iexplore.exe Token: SeSystemProfilePrivilege 2704 iexplore.exe Token: SeSystemtimePrivilege 2704 iexplore.exe Token: SeProfSingleProcessPrivilege 2704 iexplore.exe Token: SeIncBasePriorityPrivilege 2704 iexplore.exe Token: SeCreatePagefilePrivilege 2704 iexplore.exe Token: SeBackupPrivilege 2704 iexplore.exe Token: SeRestorePrivilege 2704 iexplore.exe Token: SeShutdownPrivilege 2704 iexplore.exe Token: SeDebugPrivilege 2704 iexplore.exe Token: SeSystemEnvironmentPrivilege 2704 iexplore.exe Token: SeChangeNotifyPrivilege 2704 iexplore.exe Token: SeRemoteShutdownPrivilege 2704 iexplore.exe Token: SeUndockPrivilege 2704 iexplore.exe Token: SeManageVolumePrivilege 2704 iexplore.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2704 iexplore.exe -
Suspicious use of WriteProcessMemory 49 IoCs
description pid Process procid_target PID 1884 wrote to memory of 1732 1884 bebe.exe 30 PID 1884 wrote to memory of 1732 1884 bebe.exe 30 PID 1884 wrote to memory of 1732 1884 bebe.exe 30 PID 1884 wrote to memory of 1732 1884 bebe.exe 30 PID 1884 wrote to memory of 1456 1884 bebe.exe 31 PID 1884 wrote to memory of 1456 1884 bebe.exe 31 PID 1884 wrote to memory of 1456 1884 bebe.exe 31 PID 1884 wrote to memory of 1456 1884 bebe.exe 31 PID 1456 wrote to memory of 1696 1456 cmd.exe 34 PID 1456 wrote to memory of 1696 1456 cmd.exe 34 PID 1456 wrote to memory of 1696 1456 cmd.exe 34 PID 1456 wrote to memory of 1696 1456 cmd.exe 34 PID 1732 wrote to memory of 1164 1732 cmd.exe 35 PID 1732 wrote to memory of 1164 1732 cmd.exe 35 PID 1732 wrote to memory of 1164 1732 cmd.exe 35 PID 1732 wrote to memory of 1164 1732 cmd.exe 35 PID 1884 wrote to memory of 1804 1884 bebe.exe 36 PID 1884 wrote to memory of 1804 1884 bebe.exe 36 PID 1884 wrote to memory of 1804 1884 bebe.exe 36 PID 1884 wrote to memory of 1804 1884 bebe.exe 36 PID 1804 wrote to memory of 2704 1804 explorer.exe 37 PID 1804 wrote to memory of 2704 1804 explorer.exe 37 PID 1804 wrote to memory of 2704 1804 explorer.exe 37 PID 1804 wrote to memory of 2704 1804 explorer.exe 37 PID 1804 wrote to memory of 2704 1804 explorer.exe 37 PID 1804 wrote to memory of 2704 1804 explorer.exe 37 PID 2704 wrote to memory of 2752 2704 iexplore.exe 38 PID 2704 wrote to memory of 2752 2704 iexplore.exe 38 PID 2704 wrote to memory of 2752 2704 iexplore.exe 38 PID 2704 wrote to memory of 2752 2704 iexplore.exe 38 PID 2704 wrote to memory of 2752 2704 iexplore.exe 38 PID 2704 wrote to memory of 2752 2704 iexplore.exe 38 PID 2704 wrote to memory of 2752 2704 iexplore.exe 38 PID 2704 wrote to memory of 2752 2704 iexplore.exe 38 PID 2704 wrote to memory of 2752 2704 iexplore.exe 38 PID 2704 wrote to memory of 2752 2704 iexplore.exe 38 PID 2704 wrote to memory of 2752 2704 iexplore.exe 38 PID 2704 wrote to memory of 2752 2704 iexplore.exe 38 PID 2704 wrote to memory of 2752 2704 iexplore.exe 38 PID 2704 wrote to memory of 2752 2704 iexplore.exe 38 PID 2704 wrote to memory of 2752 2704 iexplore.exe 38 PID 2704 wrote to memory of 2752 2704 iexplore.exe 38 PID 2704 wrote to memory of 2752 2704 iexplore.exe 38 PID 2704 wrote to memory of 2752 2704 iexplore.exe 38 PID 2704 wrote to memory of 2752 2704 iexplore.exe 38 PID 2704 wrote to memory of 2752 2704 iexplore.exe 38 PID 2704 wrote to memory of 2752 2704 iexplore.exe 38 PID 2704 wrote to memory of 2752 2704 iexplore.exe 38 PID 2704 wrote to memory of 2752 2704 iexplore.exe 38 -
System policy modification 1 TTPs 3 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion explorer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern explorer.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern\NoControlPanel = "1" explorer.exe -
Views/modifies file attributes 1 TTPs 2 IoCs
pid Process 1164 attrib.exe 1696 attrib.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\bebe.exe"C:\Users\Admin\AppData\Local\Temp\bebe.exe"1⤵
- Modifies WinLogon for persistence
- Loads dropped DLL
- Adds Run key to start application
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1884 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\bebe.exe" +s +h2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1732 -
C:\Windows\SysWOW64\attrib.exeattrib "C:\Users\Admin\AppData\Local\Temp\bebe.exe" +s +h3⤵
- Sets file to hidden
- System Location Discovery: System Language Discovery
- Views/modifies file attributes
PID:1164
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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:1456 -
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:1696
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C:\Windows\SysWOW64\Windows gezgini\explorer.exe"C:\Windows\system32\Windows gezgini\explorer.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
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:1804 -
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
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2704 -
C:\Windows\SysWOW64\notepad.exenotepad4⤵
- System Location Discovery: System Language Discovery
PID:2752
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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
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Downloads
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Filesize
673KB
MD5c54bab8eb46885b47508cfbfde84d078
SHA1120c346c4e73ebced892acecb4221614ebb8dd33
SHA256f19cedc8f5dd2c0a5d788a55f2232c8e26b32067fe113762688d83aff4ce99f6
SHA512ef2bfffca1582fc968620af5356339f3a053c58f9f677efcbb902aa3e4b50eb05c693326ac70e619451a3e819b82f5d42f684e374937b26f81db770ceaaa2a1e