Analysis

  • max time kernel
    140s
  • max time network
    157s
  • platform
    windows10_x64
  • resource
    win10-en-20210920
  • submitted
    18-10-2021 10:00

General

  • Target

    d6d0e261df768c8db74c6103d86dd1a0.exe

  • Size

    407KB

  • MD5

    d6d0e261df768c8db74c6103d86dd1a0

  • SHA1

    04708bec85ce493bb248034d814e186ac559527f

  • SHA256

    31c06e5e4c6e0d17ab4e8fd1023a0a090b7c87a54a3dbbe157305acb78150880

  • SHA512

    409b8163f3bedf4e84facf56e5104eeff45d80959429c87a251483b1ddedbc031e23fa00cbc00fda9ba84080055a589788ebc67274582ea205894caea4fad645

Malware Config

Signatures

  • Taurus Stealer

    Taurus is an infostealer first seen in June 2020.

  • Taurus Stealer Payload 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses 2FA software files, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d6d0e261df768c8db74c6103d86dd1a0.exe
    "C:\Users\Admin\AppData\Local\Temp\d6d0e261df768c8db74c6103d86dd1a0.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1720
    • C:\Windows\SysWOW64\cmd.exe
      /c timeout /t 3 & del /f /q C:\Users\Admin\AppData\Local\Temp\d6d0e261df768c8db74c6103d86dd1a0.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:692
      • C:\Windows\SysWOW64\timeout.exe
        timeout /t 3
        3⤵
        • Delays execution with timeout.exe
        PID:4000

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/692-118-0x0000000000000000-mapping.dmp

  • memory/1720-117-0x0000000000400000-0x000000000179F000-memory.dmp

    Filesize

    19.6MB

  • memory/1720-116-0x0000000001BF0000-0x0000000001C28000-memory.dmp

    Filesize

    224KB

  • memory/4000-119-0x0000000000000000-mapping.dmp