Analysis
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max time kernel
150s -
max time network
129s -
platform
windows10-2004_x64 -
resource
win10v2004-20230621-en -
resource tags
arch:x64arch:x86image:win10v2004-20230621-enlocale:en-usos:windows10-2004-x64system -
submitted
04-07-2023 17:01
Behavioral task
behavioral1
Sample
easyMalicious2da05edc14df.exe
Resource
win7-20230703-en
General
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Target
easyMalicious2da05edc14df.exe
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Size
1.4MB
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MD5
49f3321b14dd9dcb9108b1c6d139bc7b
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SHA1
35876b7c9ff2a3c609792c9d49a9641dc181bfec
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SHA256
933aba01ef4f1c57b7f6b82a59dcdada8f8689eb711e5a6c165f6b3d6ee3aa68
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SHA512
f922d959e0f6e746a4c360ccd406784d5fe5115f16b5cb14256e5557440d5636709d1a2bbc88127cf604c100207558028a08a0ff8ccb0cac42452d195c044abb
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SSDEEP
24576:nZ1xuVVjfFoynPaVBUR8f+kN10EBbZ1xuVVjfFoynPaVBUR8f+kN10EBsgugEnoI:ZQDgok302QDgok30hgEnoSE5I
Malware Config
Extracted
darkcomet
Sazan
ratcidavut.duckdns.org:1604
DC_MUTEX-EGAAD3Q
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InstallPath
MSDCSC\msdcsc.exe
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gencode
QmqknQ6ovQPD
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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:
easyMalicious2da05edc14df.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Windows\\system32\\MSDCSC\\msdcsc.exe" easyMalicious2da05edc14df.exe -
Modifies firewall policy service 2 TTPs 3 IoCs
Processes:
msdcsc.exedescription ioc process 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 Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0" msdcsc.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\AntiVirusDisableNotify = "1" msdcsc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "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 5004 attrib.exe 696 attrib.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
easyMalicious2da05edc14df.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2890635272-812199704-3564780063-1000\Control Panel\International\Geo\Nation easyMalicious2da05edc14df.exe -
Executes dropped EXE 2 IoCs
Processes:
DAVUTHITTER V2.987.EXEmsdcsc.exepid process 1760 DAVUTHITTER V2.987.EXE 1808 msdcsc.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:
msdcsc.exeeasyMalicious2da05edc14df.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2890635272-812199704-3564780063-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Windows\\system32\\MSDCSC\\msdcsc.exe" msdcsc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2890635272-812199704-3564780063-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Windows\\system32\\MSDCSC\\msdcsc.exe" easyMalicious2da05edc14df.exe -
Drops file in System32 directory 3 IoCs
Processes:
easyMalicious2da05edc14df.exedescription ioc process File created C:\Windows\SysWOW64\MSDCSC\msdcsc.exe easyMalicious2da05edc14df.exe File opened for modification C:\Windows\SysWOW64\MSDCSC\msdcsc.exe easyMalicious2da05edc14df.exe File opened for modification C:\Windows\SysWOW64\MSDCSC\ easyMalicious2da05edc14df.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Modifies registry class 1 IoCs
Processes:
easyMalicious2da05edc14df.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ easyMalicious2da05edc14df.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
msdcsc.exepid process 1808 msdcsc.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
easyMalicious2da05edc14df.exeDAVUTHITTER V2.987.EXEmsdcsc.exedescription pid process Token: SeIncreaseQuotaPrivilege 2192 easyMalicious2da05edc14df.exe Token: SeSecurityPrivilege 2192 easyMalicious2da05edc14df.exe Token: SeTakeOwnershipPrivilege 2192 easyMalicious2da05edc14df.exe Token: SeLoadDriverPrivilege 2192 easyMalicious2da05edc14df.exe Token: SeSystemProfilePrivilege 2192 easyMalicious2da05edc14df.exe Token: SeSystemtimePrivilege 2192 easyMalicious2da05edc14df.exe Token: SeProfSingleProcessPrivilege 2192 easyMalicious2da05edc14df.exe Token: SeIncBasePriorityPrivilege 2192 easyMalicious2da05edc14df.exe Token: SeCreatePagefilePrivilege 2192 easyMalicious2da05edc14df.exe Token: SeBackupPrivilege 2192 easyMalicious2da05edc14df.exe Token: SeRestorePrivilege 2192 easyMalicious2da05edc14df.exe Token: SeShutdownPrivilege 2192 easyMalicious2da05edc14df.exe Token: SeDebugPrivilege 2192 easyMalicious2da05edc14df.exe Token: SeSystemEnvironmentPrivilege 2192 easyMalicious2da05edc14df.exe Token: SeChangeNotifyPrivilege 2192 easyMalicious2da05edc14df.exe Token: SeRemoteShutdownPrivilege 2192 easyMalicious2da05edc14df.exe Token: SeUndockPrivilege 2192 easyMalicious2da05edc14df.exe Token: SeManageVolumePrivilege 2192 easyMalicious2da05edc14df.exe Token: SeImpersonatePrivilege 2192 easyMalicious2da05edc14df.exe Token: SeCreateGlobalPrivilege 2192 easyMalicious2da05edc14df.exe Token: 33 2192 easyMalicious2da05edc14df.exe Token: 34 2192 easyMalicious2da05edc14df.exe Token: 35 2192 easyMalicious2da05edc14df.exe Token: 36 2192 easyMalicious2da05edc14df.exe Token: SeIncreaseQuotaPrivilege 1760 DAVUTHITTER V2.987.EXE Token: SeSecurityPrivilege 1760 DAVUTHITTER V2.987.EXE Token: SeTakeOwnershipPrivilege 1760 DAVUTHITTER V2.987.EXE Token: SeLoadDriverPrivilege 1760 DAVUTHITTER V2.987.EXE Token: SeSystemProfilePrivilege 1760 DAVUTHITTER V2.987.EXE Token: SeSystemtimePrivilege 1760 DAVUTHITTER V2.987.EXE Token: SeProfSingleProcessPrivilege 1760 DAVUTHITTER V2.987.EXE Token: SeIncBasePriorityPrivilege 1760 DAVUTHITTER V2.987.EXE Token: SeCreatePagefilePrivilege 1760 DAVUTHITTER V2.987.EXE Token: SeBackupPrivilege 1760 DAVUTHITTER V2.987.EXE Token: SeRestorePrivilege 1760 DAVUTHITTER V2.987.EXE Token: SeShutdownPrivilege 1760 DAVUTHITTER V2.987.EXE Token: SeDebugPrivilege 1760 DAVUTHITTER V2.987.EXE Token: SeSystemEnvironmentPrivilege 1760 DAVUTHITTER V2.987.EXE Token: SeChangeNotifyPrivilege 1760 DAVUTHITTER V2.987.EXE Token: SeRemoteShutdownPrivilege 1760 DAVUTHITTER V2.987.EXE Token: SeUndockPrivilege 1760 DAVUTHITTER V2.987.EXE Token: SeManageVolumePrivilege 1760 DAVUTHITTER V2.987.EXE Token: SeImpersonatePrivilege 1760 DAVUTHITTER V2.987.EXE Token: SeCreateGlobalPrivilege 1760 DAVUTHITTER V2.987.EXE Token: 33 1760 DAVUTHITTER V2.987.EXE Token: 34 1760 DAVUTHITTER V2.987.EXE Token: 35 1760 DAVUTHITTER V2.987.EXE Token: 36 1760 DAVUTHITTER V2.987.EXE Token: SeIncreaseQuotaPrivilege 1808 msdcsc.exe Token: SeSecurityPrivilege 1808 msdcsc.exe Token: SeTakeOwnershipPrivilege 1808 msdcsc.exe Token: SeLoadDriverPrivilege 1808 msdcsc.exe Token: SeSystemProfilePrivilege 1808 msdcsc.exe Token: SeSystemtimePrivilege 1808 msdcsc.exe Token: SeProfSingleProcessPrivilege 1808 msdcsc.exe Token: SeIncBasePriorityPrivilege 1808 msdcsc.exe Token: SeCreatePagefilePrivilege 1808 msdcsc.exe Token: SeBackupPrivilege 1808 msdcsc.exe Token: SeRestorePrivilege 1808 msdcsc.exe Token: SeShutdownPrivilege 1808 msdcsc.exe Token: SeDebugPrivilege 1808 msdcsc.exe Token: SeSystemEnvironmentPrivilege 1808 msdcsc.exe Token: SeChangeNotifyPrivilege 1808 msdcsc.exe Token: SeRemoteShutdownPrivilege 1808 msdcsc.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
msdcsc.exepid process 1808 msdcsc.exe -
Suspicious use of WriteProcessMemory 40 IoCs
Processes:
easyMalicious2da05edc14df.execmd.execmd.exemsdcsc.exedescription pid process target process PID 2192 wrote to memory of 2836 2192 easyMalicious2da05edc14df.exe cmd.exe PID 2192 wrote to memory of 2836 2192 easyMalicious2da05edc14df.exe cmd.exe PID 2192 wrote to memory of 2836 2192 easyMalicious2da05edc14df.exe cmd.exe PID 2192 wrote to memory of 4152 2192 easyMalicious2da05edc14df.exe cmd.exe PID 2192 wrote to memory of 4152 2192 easyMalicious2da05edc14df.exe cmd.exe PID 2192 wrote to memory of 4152 2192 easyMalicious2da05edc14df.exe cmd.exe PID 2192 wrote to memory of 1760 2192 easyMalicious2da05edc14df.exe DAVUTHITTER V2.987.EXE PID 2192 wrote to memory of 1760 2192 easyMalicious2da05edc14df.exe DAVUTHITTER V2.987.EXE PID 2192 wrote to memory of 1760 2192 easyMalicious2da05edc14df.exe DAVUTHITTER V2.987.EXE PID 2836 wrote to memory of 5004 2836 cmd.exe attrib.exe PID 2836 wrote to memory of 5004 2836 cmd.exe attrib.exe PID 2836 wrote to memory of 5004 2836 cmd.exe attrib.exe PID 4152 wrote to memory of 696 4152 cmd.exe attrib.exe PID 4152 wrote to memory of 696 4152 cmd.exe attrib.exe PID 4152 wrote to memory of 696 4152 cmd.exe attrib.exe PID 2192 wrote to memory of 1808 2192 easyMalicious2da05edc14df.exe msdcsc.exe PID 2192 wrote to memory of 1808 2192 easyMalicious2da05edc14df.exe msdcsc.exe PID 2192 wrote to memory of 1808 2192 easyMalicious2da05edc14df.exe msdcsc.exe PID 1808 wrote to memory of 1008 1808 msdcsc.exe notepad.exe PID 1808 wrote to memory of 1008 1808 msdcsc.exe notepad.exe PID 1808 wrote to memory of 1008 1808 msdcsc.exe notepad.exe PID 1808 wrote to memory of 1008 1808 msdcsc.exe notepad.exe PID 1808 wrote to memory of 1008 1808 msdcsc.exe notepad.exe PID 1808 wrote to memory of 1008 1808 msdcsc.exe notepad.exe PID 1808 wrote to memory of 1008 1808 msdcsc.exe notepad.exe PID 1808 wrote to memory of 1008 1808 msdcsc.exe notepad.exe PID 1808 wrote to memory of 1008 1808 msdcsc.exe notepad.exe PID 1808 wrote to memory of 1008 1808 msdcsc.exe notepad.exe PID 1808 wrote to memory of 1008 1808 msdcsc.exe notepad.exe PID 1808 wrote to memory of 1008 1808 msdcsc.exe notepad.exe PID 1808 wrote to memory of 1008 1808 msdcsc.exe notepad.exe PID 1808 wrote to memory of 1008 1808 msdcsc.exe notepad.exe PID 1808 wrote to memory of 1008 1808 msdcsc.exe notepad.exe PID 1808 wrote to memory of 1008 1808 msdcsc.exe notepad.exe PID 1808 wrote to memory of 1008 1808 msdcsc.exe notepad.exe PID 1808 wrote to memory of 1008 1808 msdcsc.exe notepad.exe PID 1808 wrote to memory of 1008 1808 msdcsc.exe notepad.exe PID 1808 wrote to memory of 1008 1808 msdcsc.exe notepad.exe PID 1808 wrote to memory of 1008 1808 msdcsc.exe notepad.exe PID 1808 wrote to memory of 1008 1808 msdcsc.exe notepad.exe -
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 5004 attrib.exe 696 attrib.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\easyMalicious2da05edc14df.exe"C:\Users\Admin\AppData\Local\Temp\easyMalicious2da05edc14df.exe"1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- Drops file in System32 directory
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\easyMalicious2da05edc14df.exe" +s +h2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\attrib.exeattrib "C:\Users\Admin\AppData\Local\Temp\easyMalicious2da05edc14df.exe" +s +h3⤵
- Sets file to hidden
- Views/modifies file attributes
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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
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C:\Windows\SysWOW64\attrib.exeattrib "C:\Users\Admin\AppData\Local\Temp" +s +h3⤵
- Sets file to hidden
- Views/modifies file attributes
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C:\Users\Admin\AppData\Local\Temp\DAVUTHITTER V2.987.EXE"C:\Users\Admin\AppData\Local\Temp\DAVUTHITTER V2.987.EXE"2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\MSDCSC\msdcsc.exe"C:\Windows\system32\MSDCSC\msdcsc.exe"2⤵
- Modifies firewall policy service
- 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
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C:\Windows\SysWOW64\notepad.exenotepad3⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\DAVUTHITTER V2.987.EXEFilesize
657KB
MD534960f869aa933675a70c0c7c17addfe
SHA1b01ec370b3571d70a2d111f35d5514cc7a18d422
SHA2569343339fadfe0f62d6fd46c6131ed9fdf01978d817192984e69a8bbecfb406d2
SHA5125993de154bc0f5db448a243a3d0ec7929e968823b24ae256226e2d8e82f1d50d62977e5a21a2b775cd422416d8656ed0dec103b850a58633b12bec074a4f58d5
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C:\Users\Admin\AppData\Local\Temp\DAVUTHITTER V2.987.EXEFilesize
657KB
MD534960f869aa933675a70c0c7c17addfe
SHA1b01ec370b3571d70a2d111f35d5514cc7a18d422
SHA2569343339fadfe0f62d6fd46c6131ed9fdf01978d817192984e69a8bbecfb406d2
SHA5125993de154bc0f5db448a243a3d0ec7929e968823b24ae256226e2d8e82f1d50d62977e5a21a2b775cd422416d8656ed0dec103b850a58633b12bec074a4f58d5
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C:\Users\Admin\AppData\Local\Temp\DAVUTHITTER V2.987.EXEFilesize
657KB
MD534960f869aa933675a70c0c7c17addfe
SHA1b01ec370b3571d70a2d111f35d5514cc7a18d422
SHA2569343339fadfe0f62d6fd46c6131ed9fdf01978d817192984e69a8bbecfb406d2
SHA5125993de154bc0f5db448a243a3d0ec7929e968823b24ae256226e2d8e82f1d50d62977e5a21a2b775cd422416d8656ed0dec103b850a58633b12bec074a4f58d5
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C:\Windows\SysWOW64\MSDCSC\msdcsc.exeFilesize
1.4MB
MD549f3321b14dd9dcb9108b1c6d139bc7b
SHA135876b7c9ff2a3c609792c9d49a9641dc181bfec
SHA256933aba01ef4f1c57b7f6b82a59dcdada8f8689eb711e5a6c165f6b3d6ee3aa68
SHA512f922d959e0f6e746a4c360ccd406784d5fe5115f16b5cb14256e5557440d5636709d1a2bbc88127cf604c100207558028a08a0ff8ccb0cac42452d195c044abb
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C:\Windows\SysWOW64\MSDCSC\msdcsc.exeFilesize
1.4MB
MD549f3321b14dd9dcb9108b1c6d139bc7b
SHA135876b7c9ff2a3c609792c9d49a9641dc181bfec
SHA256933aba01ef4f1c57b7f6b82a59dcdada8f8689eb711e5a6c165f6b3d6ee3aa68
SHA512f922d959e0f6e746a4c360ccd406784d5fe5115f16b5cb14256e5557440d5636709d1a2bbc88127cf604c100207558028a08a0ff8ccb0cac42452d195c044abb
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C:\Windows\SysWOW64\MSDCSC\msdcsc.exeFilesize
1.4MB
MD549f3321b14dd9dcb9108b1c6d139bc7b
SHA135876b7c9ff2a3c609792c9d49a9641dc181bfec
SHA256933aba01ef4f1c57b7f6b82a59dcdada8f8689eb711e5a6c165f6b3d6ee3aa68
SHA512f922d959e0f6e746a4c360ccd406784d5fe5115f16b5cb14256e5557440d5636709d1a2bbc88127cf604c100207558028a08a0ff8ccb0cac42452d195c044abb
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memory/1008-206-0x00000000010A0000-0x00000000010A1000-memory.dmpFilesize
4KB
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memory/1760-147-0x0000000000690000-0x0000000000691000-memory.dmpFilesize
4KB
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memory/1760-209-0x0000000000400000-0x00000000004B1000-memory.dmpFilesize
708KB
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memory/1808-207-0x0000000000830000-0x0000000000831000-memory.dmpFilesize
4KB
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memory/1808-210-0x0000000000400000-0x0000000000567000-memory.dmpFilesize
1.4MB
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memory/1808-214-0x0000000000400000-0x0000000000567000-memory.dmpFilesize
1.4MB
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memory/1808-218-0x0000000000400000-0x0000000000567000-memory.dmpFilesize
1.4MB
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memory/2192-133-0x0000000002430000-0x0000000002431000-memory.dmpFilesize
4KB
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memory/2192-208-0x0000000000400000-0x0000000000567000-memory.dmpFilesize
1.4MB