Analysis

  • max time kernel
    4294180s
  • max time network
    139s
  • platform
    windows7_x64
  • resource
    win7-20220311-en
  • submitted
    15-03-2022 20:59

General

  • Target

    5b94f73b3a2d76c2f7283e281754d9f2d64bff4f97aa89d047c2be02b5b489ff.exe

  • Size

    374KB

  • MD5

    1776758db56fd02074114a1d98e7571b

  • SHA1

    91fd2a402b0a93a0440d82ce44067f769f6bbbb1

  • SHA256

    5b94f73b3a2d76c2f7283e281754d9f2d64bff4f97aa89d047c2be02b5b489ff

  • SHA512

    fffeb63a83f444066a57a1ec5b0d80214ec42d8531725994718bf1a2eff8a636a842c405a0ecb52d8cc4a752e8f6a4fd8b06a84cd2ca745a63089469b06662f8

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\5b94f73b3a2d76c2f7283e281754d9f2d64bff4f97aa89d047c2be02b5b489ff.exe
    "C:\Users\Admin\AppData\Local\Temp\5b94f73b3a2d76c2f7283e281754d9f2d64bff4f97aa89d047c2be02b5b489ff.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1828
    • C:\Windows\SysWOW64\cmd.exe
      /c timeout /t 3 & del /f /q C:\Users\Admin\AppData\Local\Temp\5b94f73b3a2d76c2f7283e281754d9f2d64bff4f97aa89d047c2be02b5b489ff.exe
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:972
      • C:\Windows\SysWOW64\timeout.exe
        timeout /t 3
        3⤵
        • Delays execution with timeout.exe
        PID:912

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1828-54-0x0000000000220000-0x0000000000241000-memory.dmp

    Filesize

    132KB

  • memory/1828-55-0x0000000000250000-0x0000000000286000-memory.dmp

    Filesize

    216KB

  • memory/1828-56-0x0000000075471000-0x0000000075473000-memory.dmp

    Filesize

    8KB

  • memory/1828-57-0x0000000000400000-0x00000000004EE000-memory.dmp

    Filesize

    952KB