Analysis

  • max time kernel
    49s
  • max time network
    135s
  • platform
    windows10_x64
  • resource
    win10-en
  • submitted
    07-09-2021 06:28

General

  • Target

    Taurus.exe

  • Size

    281KB

  • MD5

    d62e866ff6a5c92f67bbd001e8e05520

  • SHA1

    ff14beb9ef062df2b09a181c868be19c9f2e57b4

  • SHA256

    ff18c6551b984365758e45a28561521883ae4abf3e45c05b27eefed26d8cce8d

  • SHA512

    0ae613611aa4410be63bfa9eb4ad9df6a17cf45b7c4a4b651be9f449ef12c946aa3c3f688857aad5480f29878ab75c93102691ceb35cecd0536381fd7d51289a

Malware Config

Signatures

  • Taurus Stealer

    Taurus is an infostealer first seen in June 2020.

  • Taurus Stealer Payload 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 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Taurus.exe
    "C:\Users\Admin\AppData\Local\Temp\Taurus.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:744
    • C:\Windows\SysWOW64\cmd.exe
      /c timeout /t 3 & del /f /q C:\Users\Admin\AppData\Local\Temp\Taurus.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3560
      • C:\Windows\SysWOW64\timeout.exe
        timeout /t 3
        3⤵
        • Delays execution with timeout.exe
        PID:3612

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/744-115-0x0000000005FF0000-0x000000000609E000-memory.dmp

    Filesize

    696KB

  • memory/744-116-0x0000000000400000-0x0000000005FE8000-memory.dmp

    Filesize

    91.9MB

  • memory/3560-117-0x0000000000000000-mapping.dmp

  • memory/3612-118-0x0000000000000000-mapping.dmp