Analysis

  • max time kernel
    147s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-03-2024 09:08

General

  • Target

    a1a258c9e2751e7d0906c64e27d5999ab380017639fc97d49dc1c0df3a2c3ea3.exe

  • Size

    339KB

  • MD5

    85d26f599f100e876542f3977e8539c5

  • SHA1

    82289e92aa61b145b7c966293acfd0cb9ab9d5db

  • SHA256

    a1a258c9e2751e7d0906c64e27d5999ab380017639fc97d49dc1c0df3a2c3ea3

  • SHA512

    322cd8ab595fa5b6dbfe5ce0b720f41d18d1a4917cd43e373b62669c51b41397d8aab811f577e325d0bf54474ca5db5cd1ea1979de9ddfabd0148ad081c32f4b

  • SSDEEP

    6144:l98cADCn51AMvn52ReDSjYHXCCY+4umkxmHRjsz6:/n7AI5HQYHXCzVumGmxgz6

Malware Config

Signatures

  • Taurus Stealer

    Taurus is an infostealer first seen in June 2020.

  • Taurus Stealer payload 5 IoCs
  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • 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
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a1a258c9e2751e7d0906c64e27d5999ab380017639fc97d49dc1c0df3a2c3ea3.exe
    "C:\Users\Admin\AppData\Local\Temp\a1a258c9e2751e7d0906c64e27d5999ab380017639fc97d49dc1c0df3a2c3ea3.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3212
    • C:\Users\Admin\AppData\Local\Temp\a1a258c9e2751e7d0906c64e27d5999ab380017639fc97d49dc1c0df3a2c3ea3.exe
      C:\Users\Admin\AppData\Local\Temp\a1a258c9e2751e7d0906c64e27d5999ab380017639fc97d49dc1c0df3a2c3ea3.exe
      2⤵
        PID:404
      • C:\Users\Admin\AppData\Local\Temp\a1a258c9e2751e7d0906c64e27d5999ab380017639fc97d49dc1c0df3a2c3ea3.exe
        C:\Users\Admin\AppData\Local\Temp\a1a258c9e2751e7d0906c64e27d5999ab380017639fc97d49dc1c0df3a2c3ea3.exe
        2⤵
          PID:2092

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/404-6-0x00000000003D0000-0x00000000003D0000-memory.dmp

      • memory/2092-11-0x0000000000400000-0x0000000000437000-memory.dmp

        Filesize

        220KB

      • memory/2092-7-0x0000000000400000-0x0000000000437000-memory.dmp

        Filesize

        220KB

      • memory/2092-9-0x0000000000400000-0x0000000000437000-memory.dmp

        Filesize

        220KB

      • memory/2092-12-0x0000000000400000-0x0000000000437000-memory.dmp

        Filesize

        220KB

      • memory/2092-13-0x0000000000400000-0x0000000000437000-memory.dmp

        Filesize

        220KB

      • memory/3212-2-0x0000000004BB0000-0x0000000004BC0000-memory.dmp

        Filesize

        64KB

      • memory/3212-3-0x0000000004B70000-0x0000000004B92000-memory.dmp

        Filesize

        136KB

      • memory/3212-4-0x0000000004CB0000-0x0000000004D26000-memory.dmp

        Filesize

        472KB

      • memory/3212-5-0x0000000004C70000-0x0000000004C8E000-memory.dmp

        Filesize

        120KB

      • memory/3212-1-0x00000000750E0000-0x0000000075890000-memory.dmp

        Filesize

        7.7MB

      • memory/3212-10-0x00000000750E0000-0x0000000075890000-memory.dmp

        Filesize

        7.7MB

      • memory/3212-0-0x0000000000240000-0x0000000000298000-memory.dmp

        Filesize

        352KB