Analysis

  • max time kernel
    135s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-06-2024 23:09

General

  • Target

    bacf69c50d5446f9e07d9a6513b8b0fec399ad1ba809efb6e2473d6716072b46.exe

  • Size

    296KB

  • MD5

    b6977758268c61c04cd76f5f46c1f61e

  • SHA1

    cb052cc47eda1d8f04bbb77b1fc8924098ecb0f8

  • SHA256

    bacf69c50d5446f9e07d9a6513b8b0fec399ad1ba809efb6e2473d6716072b46

  • SHA512

    16104238d7bb101826a069298c8ae45e78e811e228ccc6490e4e00b6de40e6f851202aa97f1110adbff37a6fc0f57580a833be6dd38463382d85459d8fa21880

  • SSDEEP

    6144:jeMIvBjrcollXy9OrHXGaIcUX0HWPM6cpVUF23M:jeMIvBjrflEwWaIcUERP3

Score
10/10

Malware Config

Extracted

Family

gcleaner

C2

185.172.128.90

5.42.64.56

185.172.128.69

Signatures

  • GCleaner

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

  • Downloads MZ/PE file
  • 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
  • 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\bacf69c50d5446f9e07d9a6513b8b0fec399ad1ba809efb6e2473d6716072b46.exe
    "C:\Users\Admin\AppData\Local\Temp\bacf69c50d5446f9e07d9a6513b8b0fec399ad1ba809efb6e2473d6716072b46.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1004
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /im "bacf69c50d5446f9e07d9a6513b8b0fec399ad1ba809efb6e2473d6716072b46.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\bacf69c50d5446f9e07d9a6513b8b0fec399ad1ba809efb6e2473d6716072b46.exe" & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1068
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /im "bacf69c50d5446f9e07d9a6513b8b0fec399ad1ba809efb6e2473d6716072b46.exe" /f
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2920
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1004 -s 1588
      2⤵
      • Program crash
      PID:5060
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1004 -ip 1004
    1⤵
      PID:3088

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\NNUT9QBP\advdlc[1].htm

      Filesize

      1B

      MD5

      cfcd208495d565ef66e7dff9f98764da

      SHA1

      b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

      SHA256

      5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

      SHA512

      31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

    • memory/1004-1-0x0000000000750000-0x0000000000850000-memory.dmp

      Filesize

      1024KB

    • memory/1004-3-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/1004-2-0x00000000006F0000-0x000000000072C000-memory.dmp

      Filesize

      240KB

    • memory/1004-8-0x0000000010000000-0x000000001001C000-memory.dmp

      Filesize

      112KB

    • memory/1004-14-0x0000000000400000-0x0000000000454000-memory.dmp

      Filesize

      336KB

    • memory/1004-23-0x0000000000750000-0x0000000000850000-memory.dmp

      Filesize

      1024KB

    • memory/1004-24-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/1004-33-0x0000000000400000-0x0000000000454000-memory.dmp

      Filesize

      336KB

    • memory/1004-34-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB