Analysis

  • max time kernel
    120s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-05-2023 07:46

General

  • Target

    8905277162106_164921611252834_29¬.exe

  • Size

    639KB

  • MD5

    e9e9fa689c08fd23006cf14868576693

  • SHA1

    b1ccdac67bf2f3ec1c22a332c052cdaa069990ad

  • SHA256

    cbfc4f69200a5e7ee96ae849cc47a5a7606da8b38b911b2d4d741f067611692f

  • SHA512

    e446bb491097487ed924084014bb19f757a36a4f946c310afac7e67c89d309c233bef20cbcebbdd501428c763708e1aea15af2a46ed9c5591d2181aed944aaa8

  • SSDEEP

    12288:DwqjS4gdTB7L8GT8gNRQaISd7IG9yy4abbqiPT/Rk2m/+ynrr9dfeZ7zZp+ob/n7:DwqWJuabQHnrr9df27GO8

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops startup file 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8905277162106_164921611252834_29¬.exe
    "C:\Users\Admin\AppData\Local\Temp\8905277162106_164921611252834_29¬.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4020
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\yFLezBRy.bat"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2988
      • C:\Windows\system32\cscript.exe
        cscript C:\Users\Admin\AppData\Local\Temp\gkop.vbs
        3⤵
        • Drops startup file
        PID:4640

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\gkop.vbs

    Filesize

    253B

    MD5

    bfa101a2d97b7a8d61b0f7923c8e2662

    SHA1

    e31805ea3742ae545cb447e02d950c8c1d37e465

    SHA256

    2651c4c6bf39c58bbba683c7b89ac9c2b15687c3163bb8aeb2d50a3096eec982

    SHA512

    53afb7ca9b3c36eea93afe9d22ecf736f78c20e526875ff8ab7878efff83b697f88e2899171b9847d9dbbf7c5333869dea951c9f573945b1634f9685234a5734

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

    Filesize

    554B

    MD5

    133ceb8ac85ec0144f193d4303dc80ae

    SHA1

    e8c68fff9bbd4336e7554b9565abc784b7abcee4

    SHA256

    017bddd004686f495fe4b1f2999a3a9d8106fa4b82de1a7be5248d3fa730c371

    SHA512

    ec27716c69ca1eaed05c13ab4c29bdba1030b1911fef6c30d0f43f2f0662beb4867b8c4af5748afe24694abbe7cfe16cff9727033a23bba3f9eebed00a987040