Analysis

  • max time kernel
    123s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    08-07-2022 07:33

General

  • Target

    11652a522645a5127f7d5a2e8e9acef96cdb89fd4cc649752da37381d70b9528.exe

  • Size

    434KB

  • MD5

    efb61fa61dbec5252ddefef9d91d30be

  • SHA1

    e36c298cd6fce8554737a623f65b8ea2051ff750

  • SHA256

    11652a522645a5127f7d5a2e8e9acef96cdb89fd4cc649752da37381d70b9528

  • SHA512

    b3d8aa251b330103cb5bc39ead6d8bbb09a104373b7bb12e90820c174317828792087b5afef7892598a6d0e5870be6ff63ec3b6d3f3967196117328baf9f1e50

Malware Config

Signatures

  • Taurus Stealer

    Taurus is an infostealer first seen in June 2020.

  • Taurus Stealer payload 5 IoCs
  • UPX packed file 6 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Delays execution with timeout.exe 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\11652a522645a5127f7d5a2e8e9acef96cdb89fd4cc649752da37381d70b9528.exe
    "C:\Users\Admin\AppData\Local\Temp\11652a522645a5127f7d5a2e8e9acef96cdb89fd4cc649752da37381d70b9528.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2008
    • C:\Users\Admin\AppData\Local\Temp\11652a522645a5127f7d5a2e8e9acef96cdb89fd4cc649752da37381d70b9528.exe
      "C:\Users\Admin\AppData\Local\Temp\11652a522645a5127f7d5a2e8e9acef96cdb89fd4cc649752da37381d70b9528.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2012
      • C:\Windows\SysWOW64\cmd.exe
        /c timeout /t 3 & del /f /q C:\Users\Admin\AppData\Local\Temp\11652a522645a5127f7d5a2e8e9acef96cdb89fd4cc649752da37381d70b9528.exe
        3⤵
        • Deletes itself
        • Suspicious use of WriteProcessMemory
        PID:2036
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 3
          4⤵
          • Delays execution with timeout.exe
          PID:992

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/992-73-0x0000000000000000-mapping.dmp
  • memory/2008-62-0x0000000000400000-0x0000000004DC7000-memory.dmp
    Filesize

    73.8MB

  • memory/2008-56-0x0000000000400000-0x0000000004DC7000-memory.dmp
    Filesize

    73.8MB

  • memory/2008-57-0x0000000000220000-0x0000000000272000-memory.dmp
    Filesize

    328KB

  • memory/2008-54-0x0000000004F19000-0x0000000004F54000-memory.dmp
    Filesize

    236KB

  • memory/2008-60-0x0000000004F19000-0x0000000004F54000-memory.dmp
    Filesize

    236KB

  • memory/2008-61-0x00000000069B0000-0x000000000B377000-memory.dmp
    Filesize

    73.8MB

  • memory/2012-66-0x0000000000240000-0x0000000000276000-memory.dmp
    Filesize

    216KB

  • memory/2012-63-0x0000000000400000-0x00000000047D3000-memory.dmp
    Filesize

    67.8MB

  • memory/2012-64-0x0000000000400000-0x00000000047D3000-memory.dmp
    Filesize

    67.8MB

  • memory/2012-58-0x00000000047BE1D0-mapping.dmp
  • memory/2012-65-0x0000000000400000-0x00000000047D3000-memory.dmp
    Filesize

    67.8MB

  • memory/2012-67-0x00000000763E1000-0x00000000763E3000-memory.dmp
    Filesize

    8KB

  • memory/2012-68-0x0000000000220000-0x0000000000240000-memory.dmp
    Filesize

    128KB

  • memory/2012-69-0x0000000000400000-0x00000000047D3000-memory.dmp
    Filesize

    67.8MB

  • memory/2012-70-0x0000000000240000-0x0000000000276000-memory.dmp
    Filesize

    216KB

  • memory/2012-71-0x0000000000400000-0x00000000047D3000-memory.dmp
    Filesize

    67.8MB

  • memory/2012-55-0x0000000000400000-0x00000000047D3000-memory.dmp
    Filesize

    67.8MB

  • memory/2012-74-0x0000000000400000-0x00000000047D3000-memory.dmp
    Filesize

    67.8MB

  • memory/2036-72-0x0000000000000000-mapping.dmp