Resubmissions

06/04/2024, 10:11

240406-l8bfsafh7z 10

06/04/2024, 10:11

240406-l774csge98 8

06/04/2024, 10:07

240406-l532mafh4x 8

06/04/2024, 10:03

240406-l3pq8age27 8

Analysis

  • max time kernel
    147s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/04/2024, 10:07

General

  • Target

    Oak-Grabber-V2-oakgrabber/install python.bat

  • Size

    878B

  • MD5

    c38def437985f5a8bf0c2bfca5b4256d

  • SHA1

    aee4ed8c80b3635864ebba27afed6527cfcba8c3

  • SHA256

    855351b89743424c024807943d79c267b91992d0d4074811789817694d1c6a72

  • SHA512

    a563213fcdf36b9e10b293c7ce3c553c47d87d3ead4c36cfcf0fb1968f91294e23f4e27010d481adc5b25fe733ad7b9c0214a76dbdd9383253609347c99a8fbd

Score
8/10

Malware Config

Signatures

  • Blocklisted process makes network request 1 IoCs
  • Downloads MZ/PE file
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\Oak-Grabber-V2-oakgrabber\install python.bat"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1096
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c powershell.exe -Command "Invoke-WebRequest https://www.python.org/ftp/python/ -UseBasicParsing | Select-String -Pattern '3.10.[0-9]{1,2}' -AllMatches | Select-Object -ExpandProperty Matches | Select-Object -ExpandProperty Value | Sort-Object -Descending -Unique | Select-Object -First 1"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1736
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell.exe -Command "Invoke-WebRequest https://www.python.org/ftp/python/ -UseBasicParsing | Select-String -Pattern '3.10.[0-9]{1,2}' -AllMatches | Select-Object -ExpandProperty Matches | Select-Object -ExpandProperty Value | Sort-Object -Descending -Unique | Select-Object -First 1"
        3⤵
        • Blocklisted process makes network request
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2712
    • C:\Windows\system32\curl.exe
      curl -LO https://www.python.org/ftp/python/3.10.9/python-3.10.9-amd64.exe
      2⤵
        PID:3820

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_wm3vxk1l.4bv.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • memory/2712-5-0x000002802D500000-0x000002802D522000-memory.dmp

      Filesize

      136KB

    • memory/2712-10-0x00007FFB21070000-0x00007FFB21B31000-memory.dmp

      Filesize

      10.8MB

    • memory/2712-11-0x000002802D5A0000-0x000002802D5B0000-memory.dmp

      Filesize

      64KB

    • memory/2712-12-0x000002802D5A0000-0x000002802D5B0000-memory.dmp

      Filesize

      64KB

    • memory/2712-13-0x000002802D5A0000-0x000002802D5B0000-memory.dmp

      Filesize

      64KB

    • memory/2712-16-0x00007FFB21070000-0x00007FFB21B31000-memory.dmp

      Filesize

      10.8MB