Analysis

  • max time kernel
    132s
  • max time network
    129s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    08/11/2024, 01:40

General

  • Target
    mixseven.exe
  • Size 213KB
  • Sample241108-b33b7svmcm
  • SHA256 438676e5d2d9fd41a35b18eee5db8917e7f960f0d50917513f4fb92b95d29995
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • gcleaner

C2
  • 194.145.227.161

Signatures

  • GCleaner

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

  • Gcleaner family
  • OnlyLogger

    A tiny loader that uses IPLogger to get its payload.

  • Onlylogger family
  • OnlyLogger payload 3 IoCs
  • Deletes itself 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 7 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 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\mixseven.exe
    "C:\Users\Admin\AppData\Local\Temp\mixseven.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2632
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c start /I "" "C:\Users\Admin\AppData\Local\Temp\{wl6t-xCws4-OUmR-lkfk2}\34368444286.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1740
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c start /I "" "C:\Users\Admin\AppData\Local\Temp\{wl6t-xCws4-OUmR-lkfk2}\11290150352.exe" /mix
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2508
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c start /I "" "C:\Users\Admin\AppData\Local\Temp\{wl6t-xCws4-OUmR-lkfk2}\18445490935.exe" /mix
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2976
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c start /I "" "C:\ProgramData\Garbage Cleaner\Garbage Cleaner.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1632
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /im "mixseven.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\mixseven.exe" & exit
      2⤵
      • Deletes itself
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1652
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /im "mixseven.exe" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2336

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        Garbage Cleaner.exe

        • Path C:\ProgramData\Garbage Cleaner\Garbage Cleaner.exe
        • Size 277B
        • SHA256 2e6cd9433e66a9ebde268bc6949d4660de441790bd39ffc9cb0f4caaeb44320f
        • MD5 SHA1 SHA512

        memory/2632-1-0x0000000000400000-0x0000000001D82000-memory.dmp

        memory/2632-2-0x0000000000400000-0x0000000001D82000-memory.dmp

        memory/2632-29-0x0000000000400000-0x0000000001D82000-memory.dmp

        memory/2632-36-0x0000000000400000-0x0000000001D82000-memory.dmp