Overview

overview

10

Static

static

10

Trojan.Aut...54.exe

windows7-x64

10

Trojan.Aut...54.exe

windows10-2004-x64

7

Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/09/2024, 12:37

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General

  • Target
    Trojan.Autorun.ATA_virussign.com_77e0664bd5a6949651d07388fe420d54.exe
  • Size 154KB
  • Sample240907-ptjqdsvgpp
  • SHA256 4c921ab5287f68b981876b17ec72f21bc37fe5ddc808136ca3bc37f5cd4c9a2e
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10
discovery

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 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.

    discovery
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Trojan.Autorun.ATA_virussign.com_77e0664bd5a6949651d07388fe420d54.exe
    "C:\Users\Admin\AppData\Local\Temp\Trojan.Autorun.ATA_virussign.com_77e0664bd5a6949651d07388fe420d54.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2600
    • C:\Users\Admin\AppData\Local\Temp\biudfw.exe
      "C:\Users\Admin\AppData\Local\Temp\biudfw.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2020
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\sanfdr.bat" "
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2140

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        biudfw.exe
        • Path C:\Users\Admin\AppData\Local\Temp\biudfw.exe
        • Size 154KB
        • SHA256 df3d995b92f0805cdb06b72292af98f465b05ebfa813bc673858eca33446e380
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        golfinfo.ini
        • Path C:\Users\Admin\AppData\Local\Temp\golfinfo.ini
        • Size 512B
        • SHA256 a328475bbb730da292b83ed6cabbdbfc0616f042296f0c6fa356c5368ffc1309
        • MD5 SHA1 SHA512
        Submit Download

        sanfdr.bat
        • Path C:\Users\Admin\AppData\Local\Temp\sanfdr.bat
        • Size 340B
        • SHA256 4fcf5f201d7937cb3661f211ff68f12795b12a77701d9aad9f56e0cf40a648a2
        • MD5 SHA1 SHA512
        Submit Download