Analysis
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max time kernel
150s -
max time network
152s -
platform
windows7_x64 -
resource
win7-20240319-en -
resource tags
arch:x64arch:x86image:win7-20240319-enlocale:en-usos:windows7-x64system -
submitted
17-04-2024 14:34
Behavioral task
behavioral1
Sample
9f95c22d51882e238da73706c58c9903b4f8543b8dbc549c8b01f9d3b4210165.exe
Resource
win7-20240319-en
General
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Target
9f95c22d51882e238da73706c58c9903b4f8543b8dbc549c8b01f9d3b4210165.exe
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Size
659KB
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MD5
21cb738e372351de0abf0f5bc532ab2c
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SHA1
af006c081c76f91866f377059db52576478aab82
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SHA256
9f95c22d51882e238da73706c58c9903b4f8543b8dbc549c8b01f9d3b4210165
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SHA512
308150556c89f262b74130c0548c134bc1e0ad4e29dd04500e297f53b15988fb3f79cda8a0dafeb225a8ceac1bec5ccfd57a88d02d16dbb82e29d5d703e4cde8
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SSDEEP
12288:O9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hy:aZ1xuVVjfFoynPaVBUR8f+kN10EBA
Malware Config
Extracted
darkcomet
Sazan
sussysdfffdfff343.duckdns.org:1604
DC_MUTEX-TUY24DX
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InstallPath
MSDCSC\msdcsc.exe
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gencode
TPTxFZiBzSR9
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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
MicroUpdate
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
Processes:
9f95c22d51882e238da73706c58c9903b4f8543b8dbc549c8b01f9d3b4210165.exedescription 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" 9f95c22d51882e238da73706c58c9903b4f8543b8dbc549c8b01f9d3b4210165.exe -
Modifies security service 2 TTPs 1 IoCs
Processes:
msdcsc.exedescription ioc Process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wscsvc\Start = "4" msdcsc.exe -
Processes:
msdcsc.exedescription ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" msdcsc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" msdcsc.exe -
Sets file to hidden 1 TTPs 2 IoCs
Modifies file attributes to stop it showing in Explorer etc.
Processes:
attrib.exeattrib.exepid Process 2060 attrib.exe 2228 attrib.exe -
Deletes itself 1 IoCs
Processes:
notepad.exepid Process 2480 notepad.exe -
Executes dropped EXE 1 IoCs
Processes:
msdcsc.exepid Process 2656 msdcsc.exe -
Loads dropped DLL 2 IoCs
Processes:
9f95c22d51882e238da73706c58c9903b4f8543b8dbc549c8b01f9d3b4210165.exepid Process 1376 9f95c22d51882e238da73706c58c9903b4f8543b8dbc549c8b01f9d3b4210165.exe 1376 9f95c22d51882e238da73706c58c9903b4f8543b8dbc549c8b01f9d3b4210165.exe -
Processes:
msdcsc.exedescription 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
Processes:
9f95c22d51882e238da73706c58c9903b4f8543b8dbc549c8b01f9d3b4210165.exemsdcsc.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe" 9f95c22d51882e238da73706c58c9903b4f8543b8dbc549c8b01f9d3b4210165.exe Set value (str) \REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe" msdcsc.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
msdcsc.exepid Process 2656 msdcsc.exe -
Suspicious use of AdjustPrivilegeToken 46 IoCs
Processes:
9f95c22d51882e238da73706c58c9903b4f8543b8dbc549c8b01f9d3b4210165.exemsdcsc.exedescription pid Process Token: SeIncreaseQuotaPrivilege 1376 9f95c22d51882e238da73706c58c9903b4f8543b8dbc549c8b01f9d3b4210165.exe Token: SeSecurityPrivilege 1376 9f95c22d51882e238da73706c58c9903b4f8543b8dbc549c8b01f9d3b4210165.exe Token: SeTakeOwnershipPrivilege 1376 9f95c22d51882e238da73706c58c9903b4f8543b8dbc549c8b01f9d3b4210165.exe Token: SeLoadDriverPrivilege 1376 9f95c22d51882e238da73706c58c9903b4f8543b8dbc549c8b01f9d3b4210165.exe Token: SeSystemProfilePrivilege 1376 9f95c22d51882e238da73706c58c9903b4f8543b8dbc549c8b01f9d3b4210165.exe Token: SeSystemtimePrivilege 1376 9f95c22d51882e238da73706c58c9903b4f8543b8dbc549c8b01f9d3b4210165.exe Token: SeProfSingleProcessPrivilege 1376 9f95c22d51882e238da73706c58c9903b4f8543b8dbc549c8b01f9d3b4210165.exe Token: SeIncBasePriorityPrivilege 1376 9f95c22d51882e238da73706c58c9903b4f8543b8dbc549c8b01f9d3b4210165.exe Token: SeCreatePagefilePrivilege 1376 9f95c22d51882e238da73706c58c9903b4f8543b8dbc549c8b01f9d3b4210165.exe Token: SeBackupPrivilege 1376 9f95c22d51882e238da73706c58c9903b4f8543b8dbc549c8b01f9d3b4210165.exe Token: SeRestorePrivilege 1376 9f95c22d51882e238da73706c58c9903b4f8543b8dbc549c8b01f9d3b4210165.exe Token: SeShutdownPrivilege 1376 9f95c22d51882e238da73706c58c9903b4f8543b8dbc549c8b01f9d3b4210165.exe Token: SeDebugPrivilege 1376 9f95c22d51882e238da73706c58c9903b4f8543b8dbc549c8b01f9d3b4210165.exe Token: SeSystemEnvironmentPrivilege 1376 9f95c22d51882e238da73706c58c9903b4f8543b8dbc549c8b01f9d3b4210165.exe Token: SeChangeNotifyPrivilege 1376 9f95c22d51882e238da73706c58c9903b4f8543b8dbc549c8b01f9d3b4210165.exe Token: SeRemoteShutdownPrivilege 1376 9f95c22d51882e238da73706c58c9903b4f8543b8dbc549c8b01f9d3b4210165.exe Token: SeUndockPrivilege 1376 9f95c22d51882e238da73706c58c9903b4f8543b8dbc549c8b01f9d3b4210165.exe Token: SeManageVolumePrivilege 1376 9f95c22d51882e238da73706c58c9903b4f8543b8dbc549c8b01f9d3b4210165.exe Token: SeImpersonatePrivilege 1376 9f95c22d51882e238da73706c58c9903b4f8543b8dbc549c8b01f9d3b4210165.exe Token: SeCreateGlobalPrivilege 1376 9f95c22d51882e238da73706c58c9903b4f8543b8dbc549c8b01f9d3b4210165.exe Token: 33 1376 9f95c22d51882e238da73706c58c9903b4f8543b8dbc549c8b01f9d3b4210165.exe Token: 34 1376 9f95c22d51882e238da73706c58c9903b4f8543b8dbc549c8b01f9d3b4210165.exe Token: 35 1376 9f95c22d51882e238da73706c58c9903b4f8543b8dbc549c8b01f9d3b4210165.exe Token: SeIncreaseQuotaPrivilege 2656 msdcsc.exe Token: SeSecurityPrivilege 2656 msdcsc.exe Token: SeTakeOwnershipPrivilege 2656 msdcsc.exe Token: SeLoadDriverPrivilege 2656 msdcsc.exe Token: SeSystemProfilePrivilege 2656 msdcsc.exe Token: SeSystemtimePrivilege 2656 msdcsc.exe Token: SeProfSingleProcessPrivilege 2656 msdcsc.exe Token: SeIncBasePriorityPrivilege 2656 msdcsc.exe Token: SeCreatePagefilePrivilege 2656 msdcsc.exe Token: SeBackupPrivilege 2656 msdcsc.exe Token: SeRestorePrivilege 2656 msdcsc.exe Token: SeShutdownPrivilege 2656 msdcsc.exe Token: SeDebugPrivilege 2656 msdcsc.exe Token: SeSystemEnvironmentPrivilege 2656 msdcsc.exe Token: SeChangeNotifyPrivilege 2656 msdcsc.exe Token: SeRemoteShutdownPrivilege 2656 msdcsc.exe Token: SeUndockPrivilege 2656 msdcsc.exe Token: SeManageVolumePrivilege 2656 msdcsc.exe Token: SeImpersonatePrivilege 2656 msdcsc.exe Token: SeCreateGlobalPrivilege 2656 msdcsc.exe Token: 33 2656 msdcsc.exe Token: 34 2656 msdcsc.exe Token: 35 2656 msdcsc.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
msdcsc.exepid Process 2656 msdcsc.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
9f95c22d51882e238da73706c58c9903b4f8543b8dbc549c8b01f9d3b4210165.execmd.execmd.exemsdcsc.exedescription pid Process procid_target PID 1376 wrote to memory of 2172 1376 9f95c22d51882e238da73706c58c9903b4f8543b8dbc549c8b01f9d3b4210165.exe 28 PID 1376 wrote to memory of 2172 1376 9f95c22d51882e238da73706c58c9903b4f8543b8dbc549c8b01f9d3b4210165.exe 28 PID 1376 wrote to memory of 2172 1376 9f95c22d51882e238da73706c58c9903b4f8543b8dbc549c8b01f9d3b4210165.exe 28 PID 1376 wrote to memory of 2172 1376 9f95c22d51882e238da73706c58c9903b4f8543b8dbc549c8b01f9d3b4210165.exe 28 PID 1376 wrote to memory of 1008 1376 9f95c22d51882e238da73706c58c9903b4f8543b8dbc549c8b01f9d3b4210165.exe 30 PID 1376 wrote to memory of 1008 1376 9f95c22d51882e238da73706c58c9903b4f8543b8dbc549c8b01f9d3b4210165.exe 30 PID 1376 wrote to memory of 1008 1376 9f95c22d51882e238da73706c58c9903b4f8543b8dbc549c8b01f9d3b4210165.exe 30 PID 1376 wrote to memory of 1008 1376 9f95c22d51882e238da73706c58c9903b4f8543b8dbc549c8b01f9d3b4210165.exe 30 PID 1376 wrote to memory of 2480 1376 9f95c22d51882e238da73706c58c9903b4f8543b8dbc549c8b01f9d3b4210165.exe 32 PID 1376 wrote to memory of 2480 1376 9f95c22d51882e238da73706c58c9903b4f8543b8dbc549c8b01f9d3b4210165.exe 32 PID 1376 wrote to memory of 2480 1376 9f95c22d51882e238da73706c58c9903b4f8543b8dbc549c8b01f9d3b4210165.exe 32 PID 1376 wrote to memory of 2480 1376 9f95c22d51882e238da73706c58c9903b4f8543b8dbc549c8b01f9d3b4210165.exe 32 PID 1376 wrote to memory of 2480 1376 9f95c22d51882e238da73706c58c9903b4f8543b8dbc549c8b01f9d3b4210165.exe 32 PID 1376 wrote to memory of 2480 1376 9f95c22d51882e238da73706c58c9903b4f8543b8dbc549c8b01f9d3b4210165.exe 32 PID 1376 wrote to memory of 2480 1376 9f95c22d51882e238da73706c58c9903b4f8543b8dbc549c8b01f9d3b4210165.exe 32 PID 1376 wrote to memory of 2480 1376 9f95c22d51882e238da73706c58c9903b4f8543b8dbc549c8b01f9d3b4210165.exe 32 PID 1376 wrote to memory of 2480 1376 9f95c22d51882e238da73706c58c9903b4f8543b8dbc549c8b01f9d3b4210165.exe 32 PID 1376 wrote to memory of 2480 1376 9f95c22d51882e238da73706c58c9903b4f8543b8dbc549c8b01f9d3b4210165.exe 32 PID 1376 wrote to memory of 2480 1376 9f95c22d51882e238da73706c58c9903b4f8543b8dbc549c8b01f9d3b4210165.exe 32 PID 1376 wrote to memory of 2480 1376 9f95c22d51882e238da73706c58c9903b4f8543b8dbc549c8b01f9d3b4210165.exe 32 PID 1376 wrote to memory of 2480 1376 9f95c22d51882e238da73706c58c9903b4f8543b8dbc549c8b01f9d3b4210165.exe 32 PID 1376 wrote to memory of 2480 1376 9f95c22d51882e238da73706c58c9903b4f8543b8dbc549c8b01f9d3b4210165.exe 32 PID 1376 wrote to memory of 2480 1376 9f95c22d51882e238da73706c58c9903b4f8543b8dbc549c8b01f9d3b4210165.exe 32 PID 1376 wrote to memory of 2480 1376 9f95c22d51882e238da73706c58c9903b4f8543b8dbc549c8b01f9d3b4210165.exe 32 PID 2172 wrote to memory of 2060 2172 cmd.exe 33 PID 2172 wrote to memory of 2060 2172 cmd.exe 33 PID 2172 wrote to memory of 2060 2172 cmd.exe 33 PID 2172 wrote to memory of 2060 2172 cmd.exe 33 PID 1376 wrote to memory of 2480 1376 9f95c22d51882e238da73706c58c9903b4f8543b8dbc549c8b01f9d3b4210165.exe 32 PID 1376 wrote to memory of 2480 1376 9f95c22d51882e238da73706c58c9903b4f8543b8dbc549c8b01f9d3b4210165.exe 32 PID 1008 wrote to memory of 2228 1008 cmd.exe 34 PID 1008 wrote to memory of 2228 1008 cmd.exe 34 PID 1008 wrote to memory of 2228 1008 cmd.exe 34 PID 1008 wrote to memory of 2228 1008 cmd.exe 34 PID 1376 wrote to memory of 2656 1376 9f95c22d51882e238da73706c58c9903b4f8543b8dbc549c8b01f9d3b4210165.exe 35 PID 1376 wrote to memory of 2656 1376 9f95c22d51882e238da73706c58c9903b4f8543b8dbc549c8b01f9d3b4210165.exe 35 PID 1376 wrote to memory of 2656 1376 9f95c22d51882e238da73706c58c9903b4f8543b8dbc549c8b01f9d3b4210165.exe 35 PID 1376 wrote to memory of 2656 1376 9f95c22d51882e238da73706c58c9903b4f8543b8dbc549c8b01f9d3b4210165.exe 35 PID 2656 wrote to memory of 1652 2656 msdcsc.exe 36 PID 2656 wrote to memory of 1652 2656 msdcsc.exe 36 PID 2656 wrote to memory of 1652 2656 msdcsc.exe 36 PID 2656 wrote to memory of 1652 2656 msdcsc.exe 36 PID 2656 wrote to memory of 2568 2656 msdcsc.exe 37 PID 2656 wrote to memory of 2568 2656 msdcsc.exe 37 PID 2656 wrote to memory of 2568 2656 msdcsc.exe 37 PID 2656 wrote to memory of 2568 2656 msdcsc.exe 37 PID 2656 wrote to memory of 2564 2656 msdcsc.exe 38 PID 2656 wrote to memory of 2564 2656 msdcsc.exe 38 PID 2656 wrote to memory of 2564 2656 msdcsc.exe 38 PID 2656 wrote to memory of 2564 2656 msdcsc.exe 38 PID 2656 wrote to memory of 2564 2656 msdcsc.exe 38 PID 2656 wrote to memory of 2564 2656 msdcsc.exe 38 PID 2656 wrote to memory of 2564 2656 msdcsc.exe 38 PID 2656 wrote to memory of 2564 2656 msdcsc.exe 38 PID 2656 wrote to memory of 2564 2656 msdcsc.exe 38 PID 2656 wrote to memory of 2564 2656 msdcsc.exe 38 PID 2656 wrote to memory of 2564 2656 msdcsc.exe 38 PID 2656 wrote to memory of 2564 2656 msdcsc.exe 38 PID 2656 wrote to memory of 2564 2656 msdcsc.exe 38 PID 2656 wrote to memory of 2564 2656 msdcsc.exe 38 PID 2656 wrote to memory of 2564 2656 msdcsc.exe 38 PID 2656 wrote to memory of 2564 2656 msdcsc.exe 38 PID 2656 wrote to memory of 2564 2656 msdcsc.exe 38 PID 2656 wrote to memory of 2564 2656 msdcsc.exe 38 -
System policy modification 1 TTPs 3 IoCs
Processes:
msdcsc.exedescription 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
Processes:
attrib.exeattrib.exepid Process 2228 attrib.exe 2060 attrib.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\9f95c22d51882e238da73706c58c9903b4f8543b8dbc549c8b01f9d3b4210165.exe"C:\Users\Admin\AppData\Local\Temp\9f95c22d51882e238da73706c58c9903b4f8543b8dbc549c8b01f9d3b4210165.exe"1⤵
- Modifies WinLogon for persistence
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1376 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\9f95c22d51882e238da73706c58c9903b4f8543b8dbc549c8b01f9d3b4210165.exe" +s +h2⤵
- Suspicious use of WriteProcessMemory
PID:2172 -
C:\Windows\SysWOW64\attrib.exeattrib "C:\Users\Admin\AppData\Local\Temp\9f95c22d51882e238da73706c58c9903b4f8543b8dbc549c8b01f9d3b4210165.exe" +s +h3⤵
- Sets file to hidden
- Views/modifies file attributes
PID:2060
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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:1008 -
C:\Windows\SysWOW64\attrib.exeattrib "C:\Users\Admin\AppData\Local\Temp" +s +h3⤵
- Sets file to hidden
- Views/modifies file attributes
PID:2228
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C:\Windows\SysWOW64\notepad.exenotepad2⤵
- Deletes itself
PID:2480
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C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"2⤵
- Modifies security service
- Windows security bypass
- Executes dropped EXE
- Windows security modification
- Adds Run key to start application
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- System policy modification
PID:2656 -
C:\Program Files (x86)\Internet Explorer\iexplore.exe"C:\Program Files (x86)\Internet Explorer\iexplore.exe"3⤵PID:1652
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C:\Windows\explorer.exe"C:\Windows\explorer.exe"3⤵PID:2568
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C:\Windows\SysWOW64\notepad.exenotepad3⤵PID:2564
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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
1Replay Monitor
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Downloads
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Filesize
659KB
MD521cb738e372351de0abf0f5bc532ab2c
SHA1af006c081c76f91866f377059db52576478aab82
SHA2569f95c22d51882e238da73706c58c9903b4f8543b8dbc549c8b01f9d3b4210165
SHA512308150556c89f262b74130c0548c134bc1e0ad4e29dd04500e297f53b15988fb3f79cda8a0dafeb225a8ceac1bec5ccfd57a88d02d16dbb82e29d5d703e4cde8