Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-09-2024 13:36

General

  • Target

    2ffc2ee25338b8be01f8761ad701687dc7341b24cfbb8ac632d977d57aee2954.exe

  • Size

    247KB

  • MD5

    eece794689da249b313f0a7eab9318db

  • SHA1

    39242196a46638791aea64b21a82aa8c02bb3aa4

  • SHA256

    2ffc2ee25338b8be01f8761ad701687dc7341b24cfbb8ac632d977d57aee2954

  • SHA512

    7da77f047e5299545d28cf07ab2d44ff50cb8594704f432cf258118e8abd5851fc3d4f2394e7eb511ac5256e71fcc3b346ac1aed6876470849402317b36eb2f3

  • SSDEEP

    6144:x6NBBE7SlVHBinHbZBaez/L4AJmrpCaxve:xcE7Skn7nDGpF

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.

  • 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\2ffc2ee25338b8be01f8761ad701687dc7341b24cfbb8ac632d977d57aee2954.exe
    "C:\Users\Admin\AppData\Local\Temp\2ffc2ee25338b8be01f8761ad701687dc7341b24cfbb8ac632d977d57aee2954.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5104
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /im "2ffc2ee25338b8be01f8761ad701687dc7341b24cfbb8ac632d977d57aee2954.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\2ffc2ee25338b8be01f8761ad701687dc7341b24cfbb8ac632d977d57aee2954.exe" & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4420
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /im "2ffc2ee25338b8be01f8761ad701687dc7341b24cfbb8ac632d977d57aee2954.exe" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:432
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5104 -s 1260
      2⤵
      • Program crash
      PID:2592
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 5104 -ip 5104
    1⤵
      PID:5016

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\YYI0S376\download[1].htm

      Filesize

      1B

      MD5

      cfcd208495d565ef66e7dff9f98764da

      SHA1

      b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

      SHA256

      5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

      SHA512

      31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

    • memory/5104-1-0x00000000006E0000-0x00000000007E0000-memory.dmp

      Filesize

      1024KB

    • memory/5104-2-0x0000000002190000-0x00000000021BD000-memory.dmp

      Filesize

      180KB

    • memory/5104-3-0x0000000000400000-0x000000000042F000-memory.dmp

      Filesize

      188KB

    • memory/5104-9-0x00000000006E0000-0x00000000007E0000-memory.dmp

      Filesize

      1024KB

    • memory/5104-10-0x0000000000400000-0x0000000000445000-memory.dmp

      Filesize

      276KB

    • memory/5104-11-0x0000000002190000-0x00000000021BD000-memory.dmp

      Filesize

      180KB

    • memory/5104-13-0x0000000000400000-0x000000000042F000-memory.dmp

      Filesize

      188KB

    • memory/5104-21-0x0000000000400000-0x0000000000445000-memory.dmp

      Filesize

      276KB

    • memory/5104-22-0x0000000000400000-0x000000000042F000-memory.dmp

      Filesize

      188KB