Analysis

  • max time kernel
    151s
  • max time network
    128s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-11-2022 08:33

General

  • Target

    d06fffcff08b714a8068f57f3b7627b40a392fe0df18dcd69aeaa438ead43cdd.exe

  • Size

    1.2MB

  • MD5

    1ab34989b3e13257b840a534734501c7

  • SHA1

    3d5364edfdef0fc57dd0830406b774e63eab6919

  • SHA256

    d06fffcff08b714a8068f57f3b7627b40a392fe0df18dcd69aeaa438ead43cdd

  • SHA512

    481a12839f4fd3cea53f59b8be1d522cb9df37b38512061ee06c877202978749f13875e8f095e14c46b2a13266f1a24c474794a2127bbbe41dea83f5c6b20166

  • SSDEEP

    12288:200kVCDhjlrQaGeZ/lSvF08nfQ1eRSvnX:200kVCDhjlrQaLZtSvJfu28n

Malware Config

Signatures

  • Luminosity

    Luminosity is a RAT family that was on sale, while claiming to be a system administration utility.

  • Modifies WinLogon for persistence 2 TTPs 2 IoCs
  • UAC bypass 3 TTPs 5 IoCs
  • Executes dropped EXE 4 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 4 IoCs
  • Drops file in System32 directory 2 IoCs
  • Suspicious use of SetThreadContext 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Runs regedit.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d06fffcff08b714a8068f57f3b7627b40a392fe0df18dcd69aeaa438ead43cdd.exe
    "C:\Users\Admin\AppData\Local\Temp\d06fffcff08b714a8068f57f3b7627b40a392fe0df18dcd69aeaa438ead43cdd.exe"
    1⤵
    • UAC bypass
    • Checks computer location settings
    • Checks whether UAC is enabled
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:4868
    • C:\Users\Admin\AppData\Local\Temp\d06fffcff08b714a8068f57f3b7627b40a392fe0df18dcd69aeaa438ead43cdd.exe
      "C:\Users\Admin\AppData\Local\Temp\d06fffcff08b714a8068f57f3b7627b40a392fe0df18dcd69aeaa438ead43cdd.exe"
      2⤵
      • Checks computer location settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:5008
      • C:\ProgramData\792969\sysmon.exe
        "C:\ProgramData\792969\sysmon.exe"
        3⤵
        • UAC bypass
        • Executes dropped EXE
        • Checks whether UAC is enabled
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        • System policy modification
        PID:528
        • C:\ProgramData\792969\sysmon.exe
          "C:\ProgramData\792969\sysmon.exe"
          4⤵
          • Modifies WinLogon for persistence
          • Executes dropped EXE
          • Adds Run key to start application
          • Drops file in System32 directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:3560
        • C:\ProgramData\792969\sysmon.exe
          "C:\ProgramData\792969\sysmon.exe"
          4⤵
          • Executes dropped EXE
          PID:1932
        • C:\ProgramData\792969\sysmon.exe
          "C:\ProgramData\792969\sysmon.exe"
          4⤵
          • Executes dropped EXE
          PID:312
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\ac.bat" "
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2256
      • C:\Windows\SysWOW64\regedit.exe
        regedit.exe /s "C:\Users\Admin\AppData\Local\Temp\ac.bat"
        3⤵
        • UAC bypass
        • Runs regedit.exe
        PID:3624

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\ProgramData\792969\sysmon.exe

    Filesize

    1.2MB

    MD5

    1ab34989b3e13257b840a534734501c7

    SHA1

    3d5364edfdef0fc57dd0830406b774e63eab6919

    SHA256

    d06fffcff08b714a8068f57f3b7627b40a392fe0df18dcd69aeaa438ead43cdd

    SHA512

    481a12839f4fd3cea53f59b8be1d522cb9df37b38512061ee06c877202978749f13875e8f095e14c46b2a13266f1a24c474794a2127bbbe41dea83f5c6b20166

  • C:\ProgramData\792969\sysmon.exe

    Filesize

    1.2MB

    MD5

    1ab34989b3e13257b840a534734501c7

    SHA1

    3d5364edfdef0fc57dd0830406b774e63eab6919

    SHA256

    d06fffcff08b714a8068f57f3b7627b40a392fe0df18dcd69aeaa438ead43cdd

    SHA512

    481a12839f4fd3cea53f59b8be1d522cb9df37b38512061ee06c877202978749f13875e8f095e14c46b2a13266f1a24c474794a2127bbbe41dea83f5c6b20166

  • C:\ProgramData\792969\sysmon.exe

    Filesize

    1.2MB

    MD5

    1ab34989b3e13257b840a534734501c7

    SHA1

    3d5364edfdef0fc57dd0830406b774e63eab6919

    SHA256

    d06fffcff08b714a8068f57f3b7627b40a392fe0df18dcd69aeaa438ead43cdd

    SHA512

    481a12839f4fd3cea53f59b8be1d522cb9df37b38512061ee06c877202978749f13875e8f095e14c46b2a13266f1a24c474794a2127bbbe41dea83f5c6b20166

  • C:\ProgramData\792969\sysmon.exe

    Filesize

    1.2MB

    MD5

    1ab34989b3e13257b840a534734501c7

    SHA1

    3d5364edfdef0fc57dd0830406b774e63eab6919

    SHA256

    d06fffcff08b714a8068f57f3b7627b40a392fe0df18dcd69aeaa438ead43cdd

    SHA512

    481a12839f4fd3cea53f59b8be1d522cb9df37b38512061ee06c877202978749f13875e8f095e14c46b2a13266f1a24c474794a2127bbbe41dea83f5c6b20166

  • C:\ProgramData\792969\sysmon.exe

    Filesize

    1.2MB

    MD5

    1ab34989b3e13257b840a534734501c7

    SHA1

    3d5364edfdef0fc57dd0830406b774e63eab6919

    SHA256

    d06fffcff08b714a8068f57f3b7627b40a392fe0df18dcd69aeaa438ead43cdd

    SHA512

    481a12839f4fd3cea53f59b8be1d522cb9df37b38512061ee06c877202978749f13875e8f095e14c46b2a13266f1a24c474794a2127bbbe41dea83f5c6b20166

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\d06fffcff08b714a8068f57f3b7627b40a392fe0df18dcd69aeaa438ead43cdd.exe.log

    Filesize

    594B

    MD5

    fdb26b3b547022b45cfaeee57eafd566

    SHA1

    11c6798b8a59233f404014c5e79b3363cd564b37

    SHA256

    2707fc7f074413881b7bafca05079327b188db6005709951e7f69d39a2af97c0

    SHA512

    44d9bb8c0f0b341690d00eda86e15a50f7f29ce9595925c1a2a7e19ad26202d10049a7a97bea278ecb7d429ad555de8edceeffff664d4b06309a9410a09bb700

  • C:\Users\Admin\AppData\Local\Temp\ac.bat

    Filesize

    256B

    MD5

    5901919c1b3ae845588953f254445dae

    SHA1

    3d24fd5c5a0f61c1b239c53600bcff11465a442f

    SHA256

    12286ee34a77b701f9d6fbcd507c956961bf51d91283a8e094df221eea396577

    SHA512

    e37602dae72a1ce8434d7cafd460637a88b372ab36ea5338dda9340b5637d9e2df44b9fea571d2fed1cd3ac28f4ddb8e1d6c16e563f8ec12c033df0f1522e0c7

  • memory/528-146-0x0000000074CB0000-0x0000000075261000-memory.dmp

    Filesize

    5.7MB

  • memory/528-155-0x0000000074CB0000-0x0000000075261000-memory.dmp

    Filesize

    5.7MB

  • memory/528-143-0x0000000000000000-mapping.dmp

  • memory/2256-139-0x0000000000000000-mapping.dmp

  • memory/3560-161-0x0000000074CB0000-0x0000000075261000-memory.dmp

    Filesize

    5.7MB

  • memory/3560-156-0x0000000074CB0000-0x0000000075261000-memory.dmp

    Filesize

    5.7MB

  • memory/3560-149-0x0000000000000000-mapping.dmp

  • memory/3624-142-0x0000000000000000-mapping.dmp

  • memory/4868-141-0x0000000074CB0000-0x0000000075261000-memory.dmp

    Filesize

    5.7MB

  • memory/4868-132-0x0000000074CB0000-0x0000000075261000-memory.dmp

    Filesize

    5.7MB

  • memory/5008-134-0x0000000000400000-0x0000000000462000-memory.dmp

    Filesize

    392KB

  • memory/5008-136-0x0000000000400000-0x0000000000462000-memory.dmp

    Filesize

    392KB

  • memory/5008-157-0x0000000074CB0000-0x0000000075261000-memory.dmp

    Filesize

    5.7MB

  • memory/5008-158-0x0000000006D50000-0x0000000006D67000-memory.dmp

    Filesize

    92KB

  • memory/5008-159-0x0000000006D50000-0x0000000006D67000-memory.dmp

    Filesize

    92KB

  • memory/5008-160-0x0000000006D50000-0x0000000006D67000-memory.dmp

    Filesize

    92KB

  • memory/5008-138-0x0000000074CB0000-0x0000000075261000-memory.dmp

    Filesize

    5.7MB

  • memory/5008-133-0x0000000000000000-mapping.dmp

  • memory/5008-163-0x0000000074CB0000-0x0000000075261000-memory.dmp

    Filesize

    5.7MB