Analysis

  • max time kernel
    149s
  • max time network
    148s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    09/06/2026, 12:45

General

  • Target
    tmp_3gkxgex.exe
  • Size 102KB
  • Sample260609-pzenmaav41
  • SHA256 b1f70bd7d0c27a06e65aae69ae221a7f77d378177bf7c1faeccaf04e3bdc861f
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • gootkit

Botnet
  • 1001

C2
  • ridgezirak.com

  • larinsosia.com

Attributes
  • vendor_id

    1001

Signatures

  • Family: Gootkit

    Gootkit is a banking trojan, where large parts are written in node.JS.

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\tmp_3gkxgex.exe
    "C:\Users\Admin\AppData\Local\Temp\tmp_3gkxgex.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4056
    • C:\Users\Admin\AppData\Local\Temp\tmp_3gkxgex.exe
      "C:\Users\Admin\AppData\Local\Temp\tmp_3gkxgex.exe" klqnljorykamtscaufrv
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4228

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/4056-0-0x0000000000AC0000-0x0000000000AC1000-memory.dmp

        memory/4056-1-0x0000000000AD0000-0x0000000000AD1000-memory.dmp

        memory/4056-4-0x0000000000400000-0x000000000041C000-memory.dmp

        memory/4056-3-0x0000000000400000-0x000000000041C000-memory.dmp

        memory/4056-2-0x0000000000400000-0x000000000041C000-memory.dmp

        memory/4056-8-0x0000000000400000-0x000000000041C000-memory.dmp

        memory/4228-9-0x0000000010000000-0x000000001000D000-memory.dmp

        memory/4228-14-0x0000000010000000-0x000000001000D000-memory.dmp

        memory/4228-17-0x0000000000400000-0x000000000041C000-memory.dmp

        memory/4228-18-0x0000000002140000-0x0000000002141000-memory.dmp