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Analysis

  • max time kernel
    117s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    10/09/2024, 14:24

General

  • Target

    1625cfb597a6956694a20594cd25e382bb9c66a121978f9b48b8ad7d3e976cc2.exe

  • Size

    285KB

  • MD5

    10acd65ec9c330729fece0c2599c00d0

  • SHA1

    4105ddce737ad9cccb4e4efa4a19c293ffbe1273

  • SHA256

    1625cfb597a6956694a20594cd25e382bb9c66a121978f9b48b8ad7d3e976cc2

  • SHA512

    b0b1ba0afe2a2f70daecc2d278843f9259d60af9e7dae5f39ae90f6a97af4e77ff9a691fefc695edd4e3ed754ee46beb8f2500955e95de5febaa8fddb685e3b1

  • SSDEEP

    6144:4L/Cq04Ol9gzQFZzhyEELZdTXc3ITFbmG8uQTdJpHXd:Y/h04Ol9g6hXEL7c4TFbmvhdJRd

Malware Config

Extracted

Family

gcleaner

C2

80.66.75.114

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).

  • 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 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1625cfb597a6956694a20594cd25e382bb9c66a121978f9b48b8ad7d3e976cc2.exe
    "C:\Users\Admin\AppData\Local\Temp\1625cfb597a6956694a20594cd25e382bb9c66a121978f9b48b8ad7d3e976cc2.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1976
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /im "1625cfb597a6956694a20594cd25e382bb9c66a121978f9b48b8ad7d3e976cc2.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\1625cfb597a6956694a20594cd25e382bb9c66a121978f9b48b8ad7d3e976cc2.exe" & exit
      2⤵
      • Deletes itself
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2552
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /im "1625cfb597a6956694a20594cd25e382bb9c66a121978f9b48b8ad7d3e976cc2.exe" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2960

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\39GEHZPO\download[1].htm

    Filesize

    1B

    MD5

    cfcd208495d565ef66e7dff9f98764da

    SHA1

    b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

    SHA256

    5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

    SHA512

    31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

  • memory/1976-1-0x0000000002C00000-0x0000000002D00000-memory.dmp

    Filesize

    1024KB

  • memory/1976-2-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/1976-3-0x0000000000400000-0x0000000002B67000-memory.dmp

    Filesize

    39.4MB

  • memory/1976-9-0x0000000002C00000-0x0000000002D00000-memory.dmp

    Filesize

    1024KB

  • memory/1976-11-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/1976-12-0x0000000000400000-0x0000000002B67000-memory.dmp

    Filesize

    39.4MB

  • memory/1976-21-0x0000000000400000-0x0000000002B67000-memory.dmp

    Filesize

    39.4MB

  • memory/1976-22-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/1976-23-0x0000000002C00000-0x0000000002D00000-memory.dmp

    Filesize

    1024KB