Analysis

  • max time kernel
    138s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    19/02/2022, 22:40

General

  • Target
    5766bffa91f87cd08582fac05209c5d8d9356ad88e15499038dc624c0ccbc468.exe
  • Size 286KB
  • Sample220219-2lh54sead3
  • SHA256 5766bffa91f87cd08582fac05209c5d8d9356ad88e15499038dc624c0ccbc468
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • gootkit

Botnet
  • 6546

C2
  • servicemanager.icu

  • partnerservice.xyz

Attributes
  • vendor_id

    6546

Signatures

  • Gootkit

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

  • Checks BIOS information in registry 2 TTPs 1 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops file in Windows directory 6 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs
  • Views/modifies file attributes 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5766bffa91f87cd08582fac05209c5d8d9356ad88e15499038dc624c0ccbc468.exe
    "C:\Users\Admin\AppData\Local\Temp\5766bffa91f87cd08582fac05209c5d8d9356ad88e15499038dc624c0ccbc468.exe"
    1⤵
    • Checks BIOS information in registry
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4924
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\30230750.bat" "C:\Users\Admin\AppData\Local\Temp\5766bffa91f87cd08582fac05209c5d8d9356ad88e15499038dc624c0ccbc468.exe""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2644
      • C:\Windows\SysWOW64\attrib.exe
        attrib -r -s -h "C:\Users\Admin\AppData\Local\Temp\5766bffa91f87cd08582fac05209c5d8d9356ad88e15499038dc624c0ccbc468.exe"
        3⤵
        • Views/modifies file attributes
        PID:2528
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    PID:2336

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/2336-134-0x000001E540120000-0x000001E540130000-memory.dmp

        memory/2336-135-0x000001E540180000-0x000001E540190000-memory.dmp

        memory/2336-136-0x000001E542850000-0x000001E542854000-memory.dmp

        memory/4924-131-0x00000000005E0000-0x00000000005E3000-memory.dmp

        memory/4924-132-0x0000000000400000-0x000000000042C000-memory.dmp