Analysis

  • max time kernel
    99s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    15/04/2022, 15:50

General

  • Target
    dfc7fae6f26a325c1ee61a0fe389d333a72069fd78cb98b91005935ee69506d7.exe
  • Size 829KB
  • Sample220415-tafa3sbea4
  • SHA256 dfc7fae6f26a325c1ee61a0fe389d333a72069fd78cb98b91005935ee69506d7
  • MD5 SHA1 SHA512

Malware Config

Signatures

  • Taurus Stealer

    Taurus is an infostealer first seen in June 2020.

  • Taurus Stealer Payload 4 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Delays execution with timeout.exe 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\dfc7fae6f26a325c1ee61a0fe389d333a72069fd78cb98b91005935ee69506d7.exe
    "C:\Users\Admin\AppData\Local\Temp\dfc7fae6f26a325c1ee61a0fe389d333a72069fd78cb98b91005935ee69506d7.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1580
    • C:\Users\Admin\AppData\Local\Temp\dfc7fae6f26a325c1ee61a0fe389d333a72069fd78cb98b91005935ee69506d7.exe
      "C:\Users\Admin\AppData\Local\Temp\dfc7fae6f26a325c1ee61a0fe389d333a72069fd78cb98b91005935ee69506d7.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4152
      • C:\Windows\SysWOW64\cmd.exe
        /c timeout /t 3 & del /f /q C:\Users\Admin\AppData\Local\Temp\dfc7fae6f26a325c1ee61a0fe389d333a72069fd78cb98b91005935ee69506d7.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:648
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 3
          4⤵
          • Delays execution with timeout.exe
          PID:4528

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/1580-130-0x0000000000F60000-0x0000000001036000-memory.dmp

        memory/1580-131-0x0000000005F80000-0x0000000006524000-memory.dmp

        memory/1580-132-0x0000000005A70000-0x0000000005B02000-memory.dmp

        memory/1580-133-0x00000000059F0000-0x00000000059FA000-memory.dmp

        memory/1580-134-0x00000000059D0000-0x0000000005F74000-memory.dmp

        memory/4152-136-0x0000000000400000-0x0000000000437000-memory.dmp

        memory/4152-137-0x0000000000400000-0x0000000000437000-memory.dmp

        memory/4152-138-0x0000000000400000-0x0000000000437000-memory.dmp

        memory/4152-139-0x0000000000400000-0x0000000000437000-memory.dmp