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Analysis

  • max time kernel
    143s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240221-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/02/2024, 10:31

General

  • Target

    a38e14185e6c9b429df021bb56358596.exe

  • Size

    375KB

  • MD5

    a38e14185e6c9b429df021bb56358596

  • SHA1

    4f97e20980bb38cb50ecdfbf45fd6d164422f1e6

  • SHA256

    dc5c22ee0782235867ae0363443252f867d0bae4056cd70dff77bf936abccb5d

  • SHA512

    bb44ade442130326540c3eeec0cc4319f1e0ff4001d906dc39b665b7268d4cc2b3ad084cc492e2224dd8c823147707b36ed050668699117886e8b22470644b3b

  • SSDEEP

    6144:S7Ev42gAjjXcNK8AlQeV8ppGS2GR2q8QCk9rOCelRfbHhgtwfeH4bkQe0VO76G0:hvXgAvsNl/eV8pcSt2HQCkElRftgtwai

Score
10/10

Malware Config

Signatures

  • GCleaner

    GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Kills process with taskkill 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a38e14185e6c9b429df021bb56358596.exe
    "C:\Users\Admin\AppData\Local\Temp\a38e14185e6c9b429df021bb56358596.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4972
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /im "a38e14185e6c9b429df021bb56358596.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\a38e14185e6c9b429df021bb56358596.exe" & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:792
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /im "a38e14185e6c9b429df021bb56358596.exe" /f
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2324
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4972 -s 1864
      2⤵
      • Program crash
      PID:60
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4972 -ip 4972
    1⤵
      PID:2628

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/4972-1-0x00000000024A0000-0x00000000025A0000-memory.dmp

      Filesize

      1024KB

    • memory/4972-2-0x0000000004110000-0x000000000415A000-memory.dmp

      Filesize

      296KB

    • memory/4972-3-0x0000000000400000-0x00000000023C9000-memory.dmp

      Filesize

      31.8MB

    • memory/4972-4-0x0000000000400000-0x00000000023C9000-memory.dmp

      Filesize

      31.8MB

    • memory/4972-6-0x0000000004110000-0x000000000415A000-memory.dmp

      Filesize

      296KB