Analysis

  • max time kernel
    132s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    11/07/2022, 12:26

General

  • Target
    MACHINE QUOTAION071122.exe
  • Size 64KB
  • Sample220711-pl6vyshadk
  • SHA256 38a38cd4d2b2ecef6cdaf804f4569647a5526011e29f233b0326cd0f06f30916
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • azorult

C2
  • http://do3ble.shop/PL341/index.php

Signatures

  • Azorult

    An information stealer that was first discovered in 2016, targeting browsing history and passwords.

  • suricata: ET MALWARE AZORult v3.3 Server Response M2

    suricata: ET MALWARE AZORult v3.3 Server Response M2

  • suricata: ET MALWARE Win32/AZORult V3.3 Client Checkin M15

    suricata: ET MALWARE Win32/AZORult V3.3 Client Checkin M15

  • Downloads MZ/PE file
  • Loads dropped DLL 5 IoCs
  • Reads local data of messenger clients 2 TTPs

    Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Suspicious use of SetThreadContext 1 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\MACHINE QUOTAION071122.exe
    "C:\Users\Admin\AppData\Local\Temp\MACHINE QUOTAION071122.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1836
    • C:\Windows\SysWOW64\svchost.exe
      "C:\Windows\System32\svchost.exe"
      2⤵
      • Loads dropped DLL
      • Accesses Microsoft Outlook profiles
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      • outlook_office_path
      • outlook_win_path
      PID:2612
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c C:\Windows\system32\timeout.exe 3 & del "svchost.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:432
        • C:\Windows\SysWOW64\timeout.exe
          C:\Windows\system32\timeout.exe 3
          4⤵
          • Delays execution with timeout.exe
          PID:3452

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        mozglue.dll

        • Path C:\Users\Admin\AppData\Local\Temp\6F622E64\mozglue.dll
        • Size 135KB
        • SHA256 830533bb569594ec2f7c07896b90225006b90a9af108f49d6fb6bebd02428b2d
        • MD5 SHA1 SHA512 SSDEEP

        msvcp140.dll

        • Path C:\Users\Admin\AppData\Local\Temp\6F622E64\msvcp140.dll
        • Size 429KB
        • SHA256 334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4
        • MD5 SHA1 SHA512 SSDEEP

        nss3.dll

        • Path C:\Users\Admin\AppData\Local\Temp\6F622E64\nss3.dll
        • Size 1.2MB
        • SHA256 f0e6210d4a0d48c7908d8d1c270449c91eb4523e312a61256833bfeaf699abfb
        • MD5 SHA1 SHA512 SSDEEP

        vcruntime140.dll

        • Path C:\Users\Admin\AppData\Local\Temp\6F622E64\vcruntime140.dll
        • Size 81KB
        • SHA256 c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d
        • MD5 SHA1 SHA512 SSDEEP

        vcruntime140.dll

        • Path C:\Users\Admin\AppData\Local\Temp\6F622E64\vcruntime140.dll
        • Size 81KB
        • SHA256 c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d
        • MD5 SHA1 SHA512 SSDEEP

        memory/1836-131-0x0000000005A90000-0x0000000006034000-memory.dmp

        memory/1836-130-0x0000000000C80000-0x0000000000C96000-memory.dmp

        memory/1836-132-0x00000000054E0000-0x0000000005572000-memory.dmp

        memory/1836-133-0x0000000006A50000-0x0000000006AEC000-memory.dmp

        memory/2612-138-0x0000000000400000-0x0000000000420000-memory.dmp

        memory/2612-137-0x0000000000400000-0x0000000000420000-memory.dmp

        memory/2612-135-0x0000000000400000-0x0000000000420000-memory.dmp

        memory/2612-145-0x0000000000400000-0x0000000000420000-memory.dmp