Analysis

  • max time kernel
    37s
  • max time network
    43s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    03-05-2022 20:37

General

  • Target

    2b4b2d739ea466ac9d639649d6530ced7e97abf0e729ffde2d608da049f0e147.exe

  • Size

    1.2MB

  • MD5

    bf48e152050ebfdaab769cd2a0ce6350

  • SHA1

    149c9d01d25e09d4bbc8491377f9316acd9608e1

  • SHA256

    2b4b2d739ea466ac9d639649d6530ced7e97abf0e729ffde2d608da049f0e147

  • SHA512

    eb2168510217615926fcbc11cde600db009803a04b6227c68f97f3289f971dc8ce473f31725476909ade11149f7cf8cc346db0f458e572d0bef267c410ea7758

Malware Config

Signatures

  • Taurus Stealer

    Taurus is an infostealer first seen in June 2020.

  • Taurus Stealer Payload 1 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\2b4b2d739ea466ac9d639649d6530ced7e97abf0e729ffde2d608da049f0e147.exe
    "C:\Users\Admin\AppData\Local\Temp\2b4b2d739ea466ac9d639649d6530ced7e97abf0e729ffde2d608da049f0e147.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1464
    • C:\Windows\SysWOW64\cmd.exe
      /c timeout /t 3 & del /f /q C:\Users\Admin\AppData\Local\Temp\2b4b2d739ea466ac9d639649d6530ced7e97abf0e729ffde2d608da049f0e147.exe
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:300
      • C:\Windows\SysWOW64\timeout.exe
        timeout /t 3
        3⤵
        • Delays execution with timeout.exe
        PID:944

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/300-57-0x0000000000000000-mapping.dmp
  • memory/944-58-0x0000000000000000-mapping.dmp
  • memory/1464-54-0x0000000075381000-0x0000000075383000-memory.dmp
    Filesize

    8KB

  • memory/1464-55-0x0000000002150000-0x000000000228C000-memory.dmp
    Filesize

    1.2MB

  • memory/1464-56-0x0000000000400000-0x000000000053C000-memory.dmp
    Filesize

    1.2MB