Analysis

  • max time kernel
    120s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240319-en
  • resource tags

    arch:x64arch:x86image:win7-20240319-enlocale:en-usos:windows7-x64system
  • submitted
    02/04/2024, 18:15

General

  • Target

    e5b185c02ef1aa5361ba6fb910758288.exe

  • Size

    286KB

  • MD5

    e5b185c02ef1aa5361ba6fb910758288

  • SHA1

    11b1c3187fbafbad7854c13db5eb476d31e58f31

  • SHA256

    b85e0613ef25472f1001e21c2cc4c80ccb133477751927cd9d885a6e2d5661f1

  • SHA512

    a51e7e40e2bb24a611fd95b6f5a9aad49fcacb46e0a2a14d3cfcbc1a0b65cd6c170687c34b13290f643097a67a3cd1d2bda34c5d1c53e6c33324dcca1b9d39c3

  • SSDEEP

    3072:Ci7IQBzxfISVl5RVEi6M+nbkaWIn0l7Ijw8RgHT7QQvecbOuXtTAb+IrChgrqm0s:Cizhxf/msEkzl0jQT3veunAb+yfjATw

Score
10/10

Malware Config

Extracted

Family

gcleaner

C2

185.172.128.90

5.42.65.115

Signatures

  • GCleaner

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

  • Deletes itself 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Kills process with taskkill 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e5b185c02ef1aa5361ba6fb910758288.exe
    "C:\Users\Admin\AppData\Local\Temp\e5b185c02ef1aa5361ba6fb910758288.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2908
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /im "e5b185c02ef1aa5361ba6fb910758288.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\e5b185c02ef1aa5361ba6fb910758288.exe" & exit
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:1344
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /im "e5b185c02ef1aa5361ba6fb910758288.exe" /f
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2708

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/2908-1-0x0000000000B60000-0x0000000000C60000-memory.dmp

          Filesize

          1024KB

        • memory/2908-2-0x00000000002A0000-0x00000000002CD000-memory.dmp

          Filesize

          180KB

        • memory/2908-3-0x0000000000400000-0x0000000000AF0000-memory.dmp

          Filesize

          6.9MB

        • memory/2908-5-0x0000000000400000-0x0000000000AF0000-memory.dmp

          Filesize

          6.9MB

        • memory/2908-6-0x0000000000B60000-0x0000000000C60000-memory.dmp

          Filesize

          1024KB