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Analysis

  • max time kernel
    130s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • submitted
    18/01/2024, 16:32

General

  • Target

    SecuriteInfo.com.Win32.Evo-gen.18337.728.exe

  • Size

    296KB

  • MD5

    9b9947b2b0b117705b6d6f3cad057917

  • SHA1

    7d2a7a0101dd0ab93170c2d541fb2cba9feedf38

  • SHA256

    485019b5e07aea65dc682c4b5e723dfb945270d5fae4478c2a138de672058fc9

  • SHA512

    38b2552d1a6a433bf0e3e53e615e268487bd9469eb7b9a42b933b0fca5b7e3b7f569b70f5de101a804dedaa193d4d0a9ce9957cff34f05b3d870dc54668d937d

  • SSDEEP

    6144:JVvKInZEFOs7w8/IBbGM0ye8H0d7hkYNbJfQf2:JNKInZEJw8gBDAJ9kYzfQu

Malware Config

Extracted

Family

gcleaner

C2

185.172.128.90

5.42.65.85

Signatures

  • GCleaner

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

  • Gcleaner family
  • 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).

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • 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\SecuriteInfo.com.Win32.Evo-gen.18337.728.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.Evo-gen.18337.728.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2632
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /im "SecuriteInfo.com.Win32.Evo-gen.18337.728.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.Evo-gen.18337.728.exe" & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2848
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /im "SecuriteInfo.com.Win32.Evo-gen.18337.728.exe" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:1448
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2632 -s 1324
      2⤵
      • Program crash
      PID:404
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 2632 -ip 2632
    1⤵
      PID:448

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • memory/2632-3-0x0000000000400000-0x000000000044E000-memory.dmp

      Filesize

      312KB

    • memory/2632-2-0x0000000002190000-0x00000000021BD000-memory.dmp

      Filesize

      180KB

    • memory/2632-1-0x0000000000490000-0x0000000000590000-memory.dmp

      Filesize

      1024KB

    • memory/2632-6-0x0000000002190000-0x00000000021BD000-memory.dmp

      Filesize

      180KB

    • memory/2632-5-0x0000000000400000-0x000000000044E000-memory.dmp

      Filesize

      312KB