Analysis

  • max time kernel
    29s
  • max time network
    58s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    19-07-2021 02:26

General

  • Target

    a1a258c9e2751e7d0906c64e27d5999ab380017639fc97d49dc1c0df3a2c3ea3.exe

  • Size

    339KB

  • MD5

    85d26f599f100e876542f3977e8539c5

  • SHA1

    82289e92aa61b145b7c966293acfd0cb9ab9d5db

  • SHA256

    a1a258c9e2751e7d0906c64e27d5999ab380017639fc97d49dc1c0df3a2c3ea3

  • SHA512

    322cd8ab595fa5b6dbfe5ce0b720f41d18d1a4917cd43e373b62669c51b41397d8aab811f577e325d0bf54474ca5db5cd1ea1979de9ddfabd0148ad081c32f4b

Malware Config

Signatures

  • Taurus Stealer

    Taurus is an infostealer first seen in June 2020.

  • Taurus Stealer Payload 3 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
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 10 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:1208
    • C:\Users\Admin\AppData\Local\Temp\a1a258c9e2751e7d0906c64e27d5999ab380017639fc97d49dc1c0df3a2c3ea3.exe
      C:\Users\Admin\AppData\Local\Temp\a1a258c9e2751e7d0906c64e27d5999ab380017639fc97d49dc1c0df3a2c3ea3.exe
      2⤵
        PID:1404

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1208-60-0x00000000009C0000-0x00000000009C1000-memory.dmp

      Filesize

      4KB

    • memory/1208-62-0x00000000005F0000-0x000000000060C000-memory.dmp

      Filesize

      112KB

    • memory/1208-63-0x0000000001E50000-0x0000000001E51000-memory.dmp

      Filesize

      4KB

    • memory/1404-65-0x000000000041CEDA-mapping.dmp

    • memory/1404-64-0x0000000000400000-0x0000000000437000-memory.dmp

      Filesize

      220KB

    • memory/1404-66-0x0000000075C71000-0x0000000075C73000-memory.dmp

      Filesize

      8KB

    • memory/1404-67-0x0000000000400000-0x0000000000437000-memory.dmp

      Filesize

      220KB