Analysis

  • max time kernel
    122s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    07-09-2024 01:12

General

  • Target

    37c8502f5be6243de18cb2f92e2f88d72c14cd7bffe96033319f2be9bed1baaa.exe

  • Size

    272KB

  • MD5

    49a530d2755b919dee5bdd26d931925c

  • SHA1

    59440163bfd8c6af7e61a0b19f86a91e99c01d98

  • SHA256

    37c8502f5be6243de18cb2f92e2f88d72c14cd7bffe96033319f2be9bed1baaa

  • SHA512

    79c89aac0dc0f40fde34e7228554982312ab10b04cfcedead34ace4a9c366aa027251a60c73a1815c3770fd87b2bc49b5c89ecfcc3e7815222bba8bd1a3ceed7

  • SSDEEP

    6144:+DfD5BQnup57iPyrbaM33dAq6EuA72Igq:+7Qnu+yrbaMD6EuA7

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\37c8502f5be6243de18cb2f92e2f88d72c14cd7bffe96033319f2be9bed1baaa.exe
    "C:\Users\Admin\AppData\Local\Temp\37c8502f5be6243de18cb2f92e2f88d72c14cd7bffe96033319f2be9bed1baaa.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3052
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /im "37c8502f5be6243de18cb2f92e2f88d72c14cd7bffe96033319f2be9bed1baaa.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\37c8502f5be6243de18cb2f92e2f88d72c14cd7bffe96033319f2be9bed1baaa.exe" & exit
      2⤵
      • Deletes itself
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2700
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /im "37c8502f5be6243de18cb2f92e2f88d72c14cd7bffe96033319f2be9bed1baaa.exe" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2536

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\D6V88JEY\download[1].htm

    Filesize

    1B

    MD5

    cfcd208495d565ef66e7dff9f98764da

    SHA1

    b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

    SHA256

    5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

    SHA512

    31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

  • memory/3052-1-0x0000000000270000-0x0000000000370000-memory.dmp

    Filesize

    1024KB

  • memory/3052-2-0x0000000000450000-0x000000000047D000-memory.dmp

    Filesize

    180KB

  • memory/3052-3-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/3052-4-0x0000000000270000-0x0000000000370000-memory.dmp

    Filesize

    1024KB

  • memory/3052-5-0x0000000000450000-0x000000000047D000-memory.dmp

    Filesize

    180KB

  • memory/3052-6-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/3052-7-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/3052-13-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/3052-24-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/3052-25-0x0000000000270000-0x0000000000370000-memory.dmp

    Filesize

    1024KB

  • memory/3052-26-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB