Analysis
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max time kernel
150s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20231222-en -
resource tags
arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system -
submitted
12-02-2024 10:24
Static task
static1
Behavioral task
behavioral1
Sample
96ee0f084354988d85b39b85d3447055.exe
Resource
win7-20231215-en
General
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Target
96ee0f084354988d85b39b85d3447055.exe
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Size
446KB
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MD5
96ee0f084354988d85b39b85d3447055
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SHA1
5d91d785942d0ef20fe70b050b02c66509ff9626
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SHA256
b631129fa4689aed881c581f2cb0f68077569ed7556ff55b72c6ab68a598e207
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SHA512
ca49c5396d9cd18db27222f0684d80e858f3118dba704950de7b4201fa754e5fdbb0bdd60f028c37fea72427a0d03f920c1e78e9cda4e72146684f1341f419f7
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SSDEEP
6144:cDYZeUustkCXhKtq92Be87GzJ1QiH04B1LB/tG9KUaoH8zQwfI3rH4+dYDlj0WvW:DeU5t5ItqXwYt29TKI7HLQ+13
Malware Config
Extracted
darkcomet
Guest16
sameg.no-ip.biz:1604
DC_MUTEX-X2Y76GJ
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InstallPath
MSDCSC\msdcsc.exe
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gencode
Hoscy7HZWiFS
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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:
96ee0f084354988d85b39b85d3447055.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\ProgramData\\Microsoft\\Windows\\Start Menu\\MSDCSC\\msdcsc.exe" 96ee0f084354988d85b39b85d3447055.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 -
Disables RegEdit via registry modification 1 IoCs
Processes:
msdcsc.exedescription ioc process Set value (int) \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" msdcsc.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.
Processes:
attrib.exeattrib.exepid process 3192 attrib.exe 3016 attrib.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
96ee0f084354988d85b39b85d3447055.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Control Panel\International\Geo\Nation 96ee0f084354988d85b39b85d3447055.exe -
Deletes itself 1 IoCs
Processes:
notepad.exepid process 2652 notepad.exe -
Executes dropped EXE 1 IoCs
Processes:
msdcsc.exepid process 3572 msdcsc.exe -
Molebox Virtualization software 1 IoCs
Detects file using Molebox Virtualization software.
Processes:
resource yara_rule C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe molebox -
Processes:
resource yara_rule behavioral2/memory/4860-10-0x0000000000400000-0x00000000004C5000-memory.dmp upx behavioral2/memory/3572-84-0x0000000000400000-0x00000000004C5000-memory.dmp upx behavioral2/memory/4860-87-0x0000000000400000-0x00000000004C5000-memory.dmp upx behavioral2/memory/3572-91-0x0000000000400000-0x00000000004C5000-memory.dmp upx behavioral2/memory/3572-94-0x0000000000400000-0x00000000004C5000-memory.dmp upx behavioral2/memory/3572-100-0x0000000000400000-0x00000000004C5000-memory.dmp upx behavioral2/memory/3572-102-0x0000000000400000-0x00000000004C5000-memory.dmp upx behavioral2/memory/3572-103-0x0000000000400000-0x00000000004C5000-memory.dmp upx behavioral2/memory/3572-104-0x0000000000400000-0x00000000004C5000-memory.dmp upx behavioral2/memory/3572-105-0x0000000000400000-0x00000000004C5000-memory.dmp upx behavioral2/memory/3572-106-0x0000000000400000-0x00000000004C5000-memory.dmp upx behavioral2/memory/3572-107-0x0000000000400000-0x00000000004C5000-memory.dmp upx behavioral2/memory/3572-109-0x0000000000400000-0x00000000004C5000-memory.dmp upx behavioral2/memory/3572-111-0x0000000000400000-0x00000000004C5000-memory.dmp upx behavioral2/memory/3572-112-0x0000000000400000-0x00000000004C5000-memory.dmp upx behavioral2/memory/3572-113-0x0000000000400000-0x00000000004C5000-memory.dmp upx -
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:
96ee0f084354988d85b39b85d3447055.exemsdcsc.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\ProgramData\\Microsoft\\Windows\\Start Menu\\MSDCSC\\msdcsc.exe" 96ee0f084354988d85b39b85d3447055.exe Set value (str) \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\ProgramData\\Microsoft\\Windows\\Start Menu\\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 3572 msdcsc.exe -
Suspicious use of AdjustPrivilegeToken 48 IoCs
Processes:
96ee0f084354988d85b39b85d3447055.exemsdcsc.exedescription pid process Token: SeIncreaseQuotaPrivilege 4860 96ee0f084354988d85b39b85d3447055.exe Token: SeSecurityPrivilege 4860 96ee0f084354988d85b39b85d3447055.exe Token: SeTakeOwnershipPrivilege 4860 96ee0f084354988d85b39b85d3447055.exe Token: SeLoadDriverPrivilege 4860 96ee0f084354988d85b39b85d3447055.exe Token: SeSystemProfilePrivilege 4860 96ee0f084354988d85b39b85d3447055.exe Token: SeSystemtimePrivilege 4860 96ee0f084354988d85b39b85d3447055.exe Token: SeProfSingleProcessPrivilege 4860 96ee0f084354988d85b39b85d3447055.exe Token: SeIncBasePriorityPrivilege 4860 96ee0f084354988d85b39b85d3447055.exe Token: SeCreatePagefilePrivilege 4860 96ee0f084354988d85b39b85d3447055.exe Token: SeBackupPrivilege 4860 96ee0f084354988d85b39b85d3447055.exe Token: SeRestorePrivilege 4860 96ee0f084354988d85b39b85d3447055.exe Token: SeShutdownPrivilege 4860 96ee0f084354988d85b39b85d3447055.exe Token: SeDebugPrivilege 4860 96ee0f084354988d85b39b85d3447055.exe Token: SeSystemEnvironmentPrivilege 4860 96ee0f084354988d85b39b85d3447055.exe Token: SeChangeNotifyPrivilege 4860 96ee0f084354988d85b39b85d3447055.exe Token: SeRemoteShutdownPrivilege 4860 96ee0f084354988d85b39b85d3447055.exe Token: SeUndockPrivilege 4860 96ee0f084354988d85b39b85d3447055.exe Token: SeManageVolumePrivilege 4860 96ee0f084354988d85b39b85d3447055.exe Token: SeImpersonatePrivilege 4860 96ee0f084354988d85b39b85d3447055.exe Token: SeCreateGlobalPrivilege 4860 96ee0f084354988d85b39b85d3447055.exe Token: 33 4860 96ee0f084354988d85b39b85d3447055.exe Token: 34 4860 96ee0f084354988d85b39b85d3447055.exe Token: 35 4860 96ee0f084354988d85b39b85d3447055.exe Token: 36 4860 96ee0f084354988d85b39b85d3447055.exe Token: SeIncreaseQuotaPrivilege 3572 msdcsc.exe Token: SeSecurityPrivilege 3572 msdcsc.exe Token: SeTakeOwnershipPrivilege 3572 msdcsc.exe Token: SeLoadDriverPrivilege 3572 msdcsc.exe Token: SeSystemProfilePrivilege 3572 msdcsc.exe Token: SeSystemtimePrivilege 3572 msdcsc.exe Token: SeProfSingleProcessPrivilege 3572 msdcsc.exe Token: SeIncBasePriorityPrivilege 3572 msdcsc.exe Token: SeCreatePagefilePrivilege 3572 msdcsc.exe Token: SeBackupPrivilege 3572 msdcsc.exe Token: SeRestorePrivilege 3572 msdcsc.exe Token: SeShutdownPrivilege 3572 msdcsc.exe Token: SeDebugPrivilege 3572 msdcsc.exe Token: SeSystemEnvironmentPrivilege 3572 msdcsc.exe Token: SeChangeNotifyPrivilege 3572 msdcsc.exe Token: SeRemoteShutdownPrivilege 3572 msdcsc.exe Token: SeUndockPrivilege 3572 msdcsc.exe Token: SeManageVolumePrivilege 3572 msdcsc.exe Token: SeImpersonatePrivilege 3572 msdcsc.exe Token: SeCreateGlobalPrivilege 3572 msdcsc.exe Token: 33 3572 msdcsc.exe Token: 34 3572 msdcsc.exe Token: 35 3572 msdcsc.exe Token: 36 3572 msdcsc.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
msdcsc.exepid process 3572 msdcsc.exe -
Suspicious use of WriteProcessMemory 54 IoCs
Processes:
96ee0f084354988d85b39b85d3447055.execmd.execmd.exemsdcsc.exedescription pid process target process PID 4860 wrote to memory of 5104 4860 96ee0f084354988d85b39b85d3447055.exe cmd.exe PID 4860 wrote to memory of 5104 4860 96ee0f084354988d85b39b85d3447055.exe cmd.exe PID 4860 wrote to memory of 5104 4860 96ee0f084354988d85b39b85d3447055.exe cmd.exe PID 4860 wrote to memory of 4360 4860 96ee0f084354988d85b39b85d3447055.exe cmd.exe PID 4860 wrote to memory of 4360 4860 96ee0f084354988d85b39b85d3447055.exe cmd.exe PID 4860 wrote to memory of 4360 4860 96ee0f084354988d85b39b85d3447055.exe cmd.exe PID 4860 wrote to memory of 2652 4860 96ee0f084354988d85b39b85d3447055.exe notepad.exe PID 4860 wrote to memory of 2652 4860 96ee0f084354988d85b39b85d3447055.exe notepad.exe PID 4860 wrote to memory of 2652 4860 96ee0f084354988d85b39b85d3447055.exe notepad.exe PID 4860 wrote to memory of 2652 4860 96ee0f084354988d85b39b85d3447055.exe notepad.exe PID 4860 wrote to memory of 2652 4860 96ee0f084354988d85b39b85d3447055.exe notepad.exe PID 4860 wrote to memory of 2652 4860 96ee0f084354988d85b39b85d3447055.exe notepad.exe PID 4860 wrote to memory of 2652 4860 96ee0f084354988d85b39b85d3447055.exe notepad.exe PID 4860 wrote to memory of 2652 4860 96ee0f084354988d85b39b85d3447055.exe notepad.exe PID 4860 wrote to memory of 2652 4860 96ee0f084354988d85b39b85d3447055.exe notepad.exe PID 4860 wrote to memory of 2652 4860 96ee0f084354988d85b39b85d3447055.exe notepad.exe PID 4860 wrote to memory of 2652 4860 96ee0f084354988d85b39b85d3447055.exe notepad.exe PID 4860 wrote to memory of 2652 4860 96ee0f084354988d85b39b85d3447055.exe notepad.exe PID 4860 wrote to memory of 2652 4860 96ee0f084354988d85b39b85d3447055.exe notepad.exe PID 4860 wrote to memory of 2652 4860 96ee0f084354988d85b39b85d3447055.exe notepad.exe PID 4860 wrote to memory of 2652 4860 96ee0f084354988d85b39b85d3447055.exe notepad.exe PID 4860 wrote to memory of 2652 4860 96ee0f084354988d85b39b85d3447055.exe notepad.exe PID 4860 wrote to memory of 2652 4860 96ee0f084354988d85b39b85d3447055.exe notepad.exe PID 5104 wrote to memory of 3192 5104 cmd.exe attrib.exe PID 5104 wrote to memory of 3192 5104 cmd.exe attrib.exe PID 5104 wrote to memory of 3192 5104 cmd.exe attrib.exe PID 4360 wrote to memory of 3016 4360 cmd.exe attrib.exe PID 4360 wrote to memory of 3016 4360 cmd.exe attrib.exe PID 4360 wrote to memory of 3016 4360 cmd.exe attrib.exe PID 4860 wrote to memory of 3572 4860 96ee0f084354988d85b39b85d3447055.exe msdcsc.exe PID 4860 wrote to memory of 3572 4860 96ee0f084354988d85b39b85d3447055.exe msdcsc.exe PID 4860 wrote to memory of 3572 4860 96ee0f084354988d85b39b85d3447055.exe msdcsc.exe PID 3572 wrote to memory of 1092 3572 msdcsc.exe notepad.exe PID 3572 wrote to memory of 1092 3572 msdcsc.exe notepad.exe PID 3572 wrote to memory of 1092 3572 msdcsc.exe notepad.exe PID 3572 wrote to memory of 1092 3572 msdcsc.exe notepad.exe PID 3572 wrote to memory of 1092 3572 msdcsc.exe notepad.exe PID 3572 wrote to memory of 1092 3572 msdcsc.exe notepad.exe PID 3572 wrote to memory of 1092 3572 msdcsc.exe notepad.exe PID 3572 wrote to memory of 1092 3572 msdcsc.exe notepad.exe PID 3572 wrote to memory of 1092 3572 msdcsc.exe notepad.exe PID 3572 wrote to memory of 1092 3572 msdcsc.exe notepad.exe PID 3572 wrote to memory of 1092 3572 msdcsc.exe notepad.exe PID 3572 wrote to memory of 1092 3572 msdcsc.exe notepad.exe PID 3572 wrote to memory of 1092 3572 msdcsc.exe notepad.exe PID 3572 wrote to memory of 1092 3572 msdcsc.exe notepad.exe PID 3572 wrote to memory of 1092 3572 msdcsc.exe notepad.exe PID 3572 wrote to memory of 1092 3572 msdcsc.exe notepad.exe PID 3572 wrote to memory of 1092 3572 msdcsc.exe notepad.exe PID 3572 wrote to memory of 1092 3572 msdcsc.exe notepad.exe PID 3572 wrote to memory of 1092 3572 msdcsc.exe notepad.exe PID 3572 wrote to memory of 1092 3572 msdcsc.exe notepad.exe PID 3572 wrote to memory of 1092 3572 msdcsc.exe notepad.exe PID 3572 wrote to memory of 1092 3572 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 3192 attrib.exe 3016 attrib.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\96ee0f084354988d85b39b85d3447055.exe"C:\Users\Admin\AppData\Local\Temp\96ee0f084354988d85b39b85d3447055.exe"1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4860 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\96ee0f084354988d85b39b85d3447055.exe" +s +h2⤵
- Suspicious use of WriteProcessMemory
PID:5104 -
C:\Windows\SysWOW64\attrib.exeattrib "C:\Users\Admin\AppData\Local\Temp\96ee0f084354988d85b39b85d3447055.exe" +s +h3⤵
- Sets file to hidden
- Views/modifies file attributes
PID:3192
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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:4360 -
C:\Windows\SysWOW64\attrib.exeattrib "C:\Users\Admin\AppData\Local\Temp" +s +h3⤵
- Sets file to hidden
- Views/modifies file attributes
PID:3016
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C:\Windows\SysWOW64\notepad.exenotepad2⤵
- Deletes itself
PID:2652
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C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe"C:\ProgramData\Microsoft\Windows\Start Menu\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
- 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:3572 -
C:\Windows\SysWOW64\notepad.exenotepad3⤵PID:1092
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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
2Replay Monitor
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Downloads
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Filesize
446KB
MD596ee0f084354988d85b39b85d3447055
SHA15d91d785942d0ef20fe70b050b02c66509ff9626
SHA256b631129fa4689aed881c581f2cb0f68077569ed7556ff55b72c6ab68a598e207
SHA512ca49c5396d9cd18db27222f0684d80e858f3118dba704950de7b4201fa754e5fdbb0bdd60f028c37fea72427a0d03f920c1e78e9cda4e72146684f1341f419f7