Analysis

  • max time kernel
    118s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    21-02-2022 10:12

General

  • Target

    DHL e-invoice.exe

  • Size

    552KB

  • MD5

    61357a67bf27e938176cb2fa6297c360

  • SHA1

    997320dee58e2c5b1e09f7f4622dea60832b1afb

  • SHA256

    8f7d1999ac5ed03e1c7af4a42100690e2ca326b4219faad33cfc698bc56c4d63

  • SHA512

    cde36d52cf18fc3b6f77a6c33aa4f603a24da93fd75c29dfd36fa63a3a4c21409d492566f0ad030e15a18d3fc7d69025c6f62a93181882a3b0f78bc743f82a45

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 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\DHL e-invoice.exe
    "C:\Users\Admin\AppData\Local\Temp\DHL e-invoice.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1704
    • C:\Windows\SysWOW64\cmd.exe
      /c timeout /t 3 & del /f /q C:\Users\Admin\AppData\Local\Temp\DHL e-invoice.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1404
      • C:\Windows\SysWOW64\timeout.exe
        timeout /t 3
        3⤵
        • Delays execution with timeout.exe
        PID:1020

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1704-53-0x00000000766D1000-0x00000000766D3000-memory.dmp

    Filesize

    8KB

  • memory/1704-54-0x0000000000250000-0x00000000002CD000-memory.dmp

    Filesize

    500KB

  • memory/1704-55-0x0000000000400000-0x000000000047D000-memory.dmp

    Filesize

    500KB