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Analysis

  • max time kernel
    44s
  • max time network
    47s
  • platform
    windows7_x64
  • resource
    win7-20220718-en
  • resource tags

    arch:x64arch:x86image:win7-20220718-enlocale:en-usos:windows7-x64system
  • submitted
    04/08/2022, 08:57

General

  • Target

    SecuriteInfo.com.Variant.Barys.42241.11208.exe

  • Size

    873KB

  • MD5

    0cf7d7bfef7f90ec7738d843de48f8b0

  • SHA1

    1d1acaa521f0b04301d350831c97d0d4cc34e2f7

  • SHA256

    91be6258668b873244ec00091e663437dbb0967ee31406538376560de2b9a0e2

  • SHA512

    43a22929ffc929f4b4de106b307bd68b50a82d34166f12b300411e530066912872d1e321562e7747aa40a5c75fa955e06391db6d2adaef98a76f42ff8dd5c61a

Malware Config

Extracted

Family

blustealer

C2

https://api.telegram.org/bot5449766717:AAHzRorvKI5URgvleGHlq6ZvqElY68-XL18/sendMessage?chat_id=1293496579

Signatures

  • BluStealer

    A Modular information stealer written in Visual Basic.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Variant.Barys.42241.11208.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Variant.Barys.42241.11208.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:972
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1160
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
        C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
        3⤵
        • Accesses Microsoft Outlook profiles
        • outlook_office_path
        • outlook_win_path
        PID:908

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/908-70-0x0000000000120000-0x0000000000186000-memory.dmp

    Filesize

    408KB

  • memory/908-79-0x00000000045C0000-0x000000000467C000-memory.dmp

    Filesize

    752KB

  • memory/908-77-0x0000000000120000-0x0000000000186000-memory.dmp

    Filesize

    408KB

  • memory/908-75-0x0000000000120000-0x0000000000186000-memory.dmp

    Filesize

    408KB

  • memory/908-72-0x0000000000120000-0x0000000000186000-memory.dmp

    Filesize

    408KB

  • memory/972-55-0x00000000021E0000-0x00000000022B0000-memory.dmp

    Filesize

    832KB

  • memory/972-56-0x00000000006D0000-0x0000000000762000-memory.dmp

    Filesize

    584KB

  • memory/972-54-0x0000000000850000-0x0000000000930000-memory.dmp

    Filesize

    896KB

  • memory/1160-58-0x0000000000400000-0x000000000046E000-memory.dmp

    Filesize

    440KB

  • memory/1160-69-0x0000000075CE1000-0x0000000075CE3000-memory.dmp

    Filesize

    8KB

  • memory/1160-68-0x0000000000400000-0x000000000046E000-memory.dmp

    Filesize

    440KB

  • memory/1160-65-0x0000000000400000-0x000000000046E000-memory.dmp

    Filesize

    440KB

  • memory/1160-62-0x0000000000400000-0x000000000046E000-memory.dmp

    Filesize

    440KB

  • memory/1160-60-0x0000000000400000-0x000000000046E000-memory.dmp

    Filesize

    440KB

  • memory/1160-57-0x0000000000400000-0x000000000046E000-memory.dmp

    Filesize

    440KB

  • memory/1160-80-0x0000000000400000-0x000000000046E000-memory.dmp

    Filesize

    440KB