Analysis

  • max time kernel
    152s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    12/05/2022, 11:55

General

  • Target
    e5184d8982254662e152b0f61fccf90d1230a6f173118a59bc53bc883992de26.exe
  • Size 822KB
  • Sample220512-n3mmzagcar
  • SHA256 e5184d8982254662e152b0f61fccf90d1230a6f173118a59bc53bc883992de26
  • MD5 SHA1 SHA512

Malware Config

Signatures

  • DarkTrack

    DarkTrack is a remote administration tool written in delphi.

  • DarkTrack Payload 4 IoCs
  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Modifies Windows Defender Real-time Protection settings 3 TTPs
  • Turns off Windows Defender SpyNet reporting 2 TTPs
  • Windows security bypass 2 TTPs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 2 IoCs
  • Windows security modification 2 TTPs 11 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 16 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Program crash 1 IoCs
  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 15 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 55 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e5184d8982254662e152b0f61fccf90d1230a6f173118a59bc53bc883992de26.exe
    "C:\Users\Admin\AppData\Local\Temp\e5184d8982254662e152b0f61fccf90d1230a6f173118a59bc53bc883992de26.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Checks computer location settings
    • Drops startup file
    • Windows security modification
    • Adds Run key to start application
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4564
    • C:\Windows\SysWOW64\timeout.exe
      timeout 4
      2⤵
      • Delays execution with timeout.exe
      PID:2012
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\e5184d8982254662e152b0f61fccf90d1230a6f173118a59bc53bc883992de26.exe" -Force
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4792
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\e5184d8982254662e152b0f61fccf90d1230a6f173118a59bc53bc883992de26.exe" -Force
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:308
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\e5184d8982254662e152b0f61fccf90d1230a6f173118a59bc53bc883992de26.exe" -Force
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3188
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\e5184d8982254662e152b0f61fccf90d1230a6f173118a59bc53bc883992de26.exe" -Force
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3692
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_state.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_state.exe"
      2⤵
        PID:4796
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_state.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_state.exe"
        2⤵
          PID:1984
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_state.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_state.exe"
          2⤵
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of WriteProcessMemory
          PID:1500
          • C:\Windows\SysWOW64\notepad.exe
            notepad
            3⤵
              PID:2580
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 4564 -s 1120
            2⤵
            • Program crash
            PID:3192
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 4564 -ip 4564
          1⤵
            PID:3852

          Network

                MITRE ATT&CK Enterprise v6

                Replay Monitor

                Loading Replay Monitor...

                Downloads

                ModuleAnalysisCache

                • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\ModuleAnalysisCache
                • Size 55KB
                • SHA256 5704f05742c564fc9a5cb35e9ac7761433b23a5089b2799f9dd526d1b9a87cf9
                • MD5 SHA1 SHA512 SSDEEP

                ModuleAnalysisCache

                • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\ModuleAnalysisCache
                • Size 56KB
                • SHA256 f589708eecb84d2fe0145bdf2eebbc370a7094ad3b10d402030c7987ebd826ef
                • MD5 SHA1 SHA512 SSDEEP

                memory/308-139-0x0000000005630000-0x0000000005C58000-memory.dmp

                memory/308-161-0x00000000053E0000-0x00000000053FA000-memory.dmp

                memory/308-160-0x0000000007CB0000-0x000000000832A000-memory.dmp

                memory/308-153-0x000000006FD60000-0x000000006FDAC000-memory.dmp

                memory/308-156-0x00000000068E0000-0x00000000068FE000-memory.dmp

                memory/1500-148-0x0000000000400000-0x00000000004A8000-memory.dmp

                memory/1500-151-0x0000000000400000-0x00000000004A8000-memory.dmp

                memory/1500-147-0x0000000000400000-0x00000000004A8000-memory.dmp

                memory/1500-149-0x0000000000400000-0x00000000004A8000-memory.dmp

                memory/3188-140-0x00000000054E0000-0x0000000005502000-memory.dmp

                memory/3188-155-0x000000006FD60000-0x000000006FDAC000-memory.dmp

                memory/3188-138-0x0000000002BA0000-0x0000000002BD6000-memory.dmp

                memory/3692-142-0x0000000005D60000-0x0000000005DC6000-memory.dmp

                memory/3692-164-0x00000000079B0000-0x0000000007A46000-memory.dmp

                memory/3692-157-0x000000006FD60000-0x000000006FDAC000-memory.dmp

                memory/4564-130-0x0000000000050000-0x0000000000122000-memory.dmp

                memory/4564-133-0x0000000005430000-0x00000000059D4000-memory.dmp

                memory/4564-131-0x0000000004A80000-0x0000000004B1C000-memory.dmp

                memory/4792-154-0x000000006FD60000-0x000000006FDAC000-memory.dmp

                memory/4792-152-0x0000000006140000-0x0000000006172000-memory.dmp

                memory/4792-143-0x0000000005B30000-0x0000000005B4E000-memory.dmp

                memory/4792-162-0x0000000006F30000-0x0000000006F3A000-memory.dmp

                memory/4792-141-0x0000000004B80000-0x0000000004BE6000-memory.dmp