Analysis

  • max time kernel
    134s
  • max time network
    143s
  • platform
    windows7_x64
  • resource
    win7-en-20211014
  • submitted
    18-10-2021 10:00

General

  • Target

    fd02e3d8523e27c5ebe6267860b344ab.exe

  • Size

    414KB

  • MD5

    fd02e3d8523e27c5ebe6267860b344ab

  • SHA1

    148b940647d6dd95625c0bbda8e2fe599d4246f4

  • SHA256

    c6b619c4372f50c8418bce658a2726d59caaa3272f7eabafcde596ee72c2aa00

  • SHA512

    674298b81ae66e1bd4a02bc0500f0fb818b5cdaf3f2e26921c95bf496a4447bc2da82d3f4ea62cec90568d310b8c6460727d7c6a58a6589af871b459d35c5fef

Malware Config

Signatures

  • Taurus Stealer

    Taurus is an infostealer first seen in June 2020.

  • Taurus Stealer Payload 2 IoCs
  • Deletes itself 1 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 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fd02e3d8523e27c5ebe6267860b344ab.exe
    "C:\Users\Admin\AppData\Local\Temp\fd02e3d8523e27c5ebe6267860b344ab.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2044
    • C:\Windows\SysWOW64\cmd.exe
      /c timeout /t 3 & del /f /q C:\Users\Admin\AppData\Local\Temp\fd02e3d8523e27c5ebe6267860b344ab.exe
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:1564
      • C:\Windows\SysWOW64\timeout.exe
        timeout /t 3
        3⤵
        • Delays execution with timeout.exe
        PID:736

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/736-59-0x0000000000000000-mapping.dmp

  • memory/1564-58-0x0000000000000000-mapping.dmp

  • memory/2044-54-0x000000000026C000-0x000000000028E000-memory.dmp

    Filesize

    136KB

  • memory/2044-55-0x0000000075B71000-0x0000000075B73000-memory.dmp

    Filesize

    8KB

  • memory/2044-56-0x00000000003C0000-0x00000000003F8000-memory.dmp

    Filesize

    224KB

  • memory/2044-57-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB