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Analysis

  • max time kernel
    151s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/12/2022, 20:13

General

  • Target

    5c3f5ce7a94e087936b8095f14ed4eca3ff1feb902c4ffbb59acfa6fbc583d6a.exe

  • Size

    208KB

  • MD5

    035c1292cb9d4e50f6cc75a35a34b9fc

  • SHA1

    d781e87f7a969579f295ec78d7617057646ea33b

  • SHA256

    5c3f5ce7a94e087936b8095f14ed4eca3ff1feb902c4ffbb59acfa6fbc583d6a

  • SHA512

    70014fe6be31c4934c27f8319ce98f1523acd50699cfb031e877750ccb65ffb7a484a9af0ec7c3e227e54f19a77c1eb88dafad9e12a7aa3dcb3a40ea83fa5336

  • SSDEEP

    6144:5SLq4BtCIURHmEJpmnk8DkPkkMkd7xIWaBasl:5SLfCnRHmEJpmnk8Dk8kxIWRW

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Adds Run key to start application 2 TTPs 29 IoCs
  • Maps connected drives based on registry 3 TTPs 4 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5c3f5ce7a94e087936b8095f14ed4eca3ff1feb902c4ffbb59acfa6fbc583d6a.exe
    "C:\Users\Admin\AppData\Local\Temp\5c3f5ce7a94e087936b8095f14ed4eca3ff1feb902c4ffbb59acfa6fbc583d6a.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Checks computer location settings
    • Adds Run key to start application
    • Maps connected drives based on registry
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4772
    • C:\Users\Admin\moief.exe
      "C:\Users\Admin\moief.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Maps connected drives based on registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:3972
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:4632

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\moief.exe

      Filesize

      208KB

      MD5

      035c1292cb9d4e50f6cc75a35a34b9fc

      SHA1

      d781e87f7a969579f295ec78d7617057646ea33b

      SHA256

      5c3f5ce7a94e087936b8095f14ed4eca3ff1feb902c4ffbb59acfa6fbc583d6a

      SHA512

      70014fe6be31c4934c27f8319ce98f1523acd50699cfb031e877750ccb65ffb7a484a9af0ec7c3e227e54f19a77c1eb88dafad9e12a7aa3dcb3a40ea83fa5336

    • C:\Users\Admin\moief.exe

      Filesize

      208KB

      MD5

      035c1292cb9d4e50f6cc75a35a34b9fc

      SHA1

      d781e87f7a969579f295ec78d7617057646ea33b

      SHA256

      5c3f5ce7a94e087936b8095f14ed4eca3ff1feb902c4ffbb59acfa6fbc583d6a

      SHA512

      70014fe6be31c4934c27f8319ce98f1523acd50699cfb031e877750ccb65ffb7a484a9af0ec7c3e227e54f19a77c1eb88dafad9e12a7aa3dcb3a40ea83fa5336