Analysis

  • max time kernel
    134s
  • max time network
    134s
  • platform
    windows7_x64
  • resource
    win7-en-20211014
  • submitted
    18-10-2021 10:00

General

  • Target

    d5a65bcb8dd9d114905b89ded4e7bb63.exe

  • Size

    413KB

  • MD5

    d5a65bcb8dd9d114905b89ded4e7bb63

  • SHA1

    3cfc435712b0209824b174070fce8305d1d40aa8

  • SHA256

    2cb9e05e7fd9fa681b295d9a6cf8a5ce57917f0c8d525e991ce6fd50d8661d35

  • SHA512

    adfbba9093626f63f466c63b7d28f7c3b8612cbc25301ecd05798eb3759e9443afeb6deafac039dbb128a8834f45fae348be6947bd183246b4c24dba5dd93a21

Malware Config

Signatures

  • Taurus Stealer

    Taurus is an infostealer first seen in June 2020.

  • Taurus Stealer Payload 2 IoCs
  • Deletes itself 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\d5a65bcb8dd9d114905b89ded4e7bb63.exe
    "C:\Users\Admin\AppData\Local\Temp\d5a65bcb8dd9d114905b89ded4e7bb63.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1248
    • C:\Windows\SysWOW64\cmd.exe
      /c timeout /t 3 & del /f /q C:\Users\Admin\AppData\Local\Temp\d5a65bcb8dd9d114905b89ded4e7bb63.exe
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:1356
      • C:\Windows\SysWOW64\timeout.exe
        timeout /t 3
        3⤵
        • Delays execution with timeout.exe
        PID:1624

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1248-54-0x0000000000A2B000-0x0000000000A4E000-memory.dmp

    Filesize

    140KB

  • memory/1248-55-0x00000000764D1000-0x00000000764D3000-memory.dmp

    Filesize

    8KB

  • memory/1248-56-0x0000000000220000-0x0000000000258000-memory.dmp

    Filesize

    224KB

  • memory/1248-57-0x0000000000400000-0x0000000000860000-memory.dmp

    Filesize

    4.4MB

  • memory/1356-58-0x0000000000000000-mapping.dmp

  • memory/1624-59-0x0000000000000000-mapping.dmp