Analysis

  • max time kernel
    45s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    08-07-2022 07:03

General

  • Target

    5b4a80afd50b793ceb6058b9e1595b3835b660fbce20299a878a4bd19b276e07.exe

  • Size

    331KB

  • MD5

    61353e0ab916788ac8343dc97b773c92

  • SHA1

    b81bad475d327b60b80228c9f41b2c4b2abab81f

  • SHA256

    5b4a80afd50b793ceb6058b9e1595b3835b660fbce20299a878a4bd19b276e07

  • SHA512

    9e9403f711739960afc048e45a8b234be149dd50df74912b5f3c89af2c775a4b9c1f0efb59794baefc1c5d738bda0569d1f2fb12094766968fce951a0983f249

Malware Config

Signatures

  • Taurus Stealer

    Taurus is an infostealer first seen in June 2020.

  • Taurus Stealer payload 3 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\5b4a80afd50b793ceb6058b9e1595b3835b660fbce20299a878a4bd19b276e07.exe
    "C:\Users\Admin\AppData\Local\Temp\5b4a80afd50b793ceb6058b9e1595b3835b660fbce20299a878a4bd19b276e07.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1972
    • C:\Windows\SysWOW64\cmd.exe
      /c timeout /t 3 & del /f /q C:\Users\Admin\AppData\Local\Temp\5b4a80afd50b793ceb6058b9e1595b3835b660fbce20299a878a4bd19b276e07.exe
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:1892
      • C:\Windows\SysWOW64\timeout.exe
        timeout /t 3
        3⤵
        • Delays execution with timeout.exe
        PID:1076

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

1
T1012

Collection

Data from Local System

2
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1076-59-0x0000000000000000-mapping.dmp
  • memory/1892-58-0x0000000000000000-mapping.dmp
  • memory/1972-54-0x0000000075FE1000-0x0000000075FE3000-memory.dmp
    Filesize

    8KB

  • memory/1972-55-0x0000000000400000-0x0000000004DB8000-memory.dmp
    Filesize

    73.7MB

  • memory/1972-56-0x0000000004E49000-0x0000000004E6A000-memory.dmp
    Filesize

    132KB

  • memory/1972-57-0x00000000002A0000-0x00000000002D6000-memory.dmp
    Filesize

    216KB

  • memory/1972-61-0x0000000004E49000-0x0000000004E6A000-memory.dmp
    Filesize

    132KB

  • memory/1972-60-0x0000000000400000-0x0000000004DB8000-memory.dmp
    Filesize

    73.7MB