Analysis

  • max time kernel
    201s
  • max time network
    223s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-01-2024 15:18

General

  • Target

    8cb8a392ab4594e4be5f939fde2581be.exe

  • Size

    721KB

  • MD5

    8cb8a392ab4594e4be5f939fde2581be

  • SHA1

    fdab49a13212672e419c867c4a8f536c32457fd9

  • SHA256

    cd6587c12a8925cbb9d354e9d019d5e0adced686238a40a17c294305d6b93cb4

  • SHA512

    630c0f27f79f6aceb7ea98f28c0125960ae434e12ecd87a69f407ff48d40f0da95ded3709b10de796ebe4c2c25ec5486f540e44898c5be077d05015fed75b5e7

  • SSDEEP

    12288:DquErHF6xC9D6DmR1J98w4oknqOKw/zTd1RVaHvymUi6rjXrm62iU952aLovi756:arl6kD68JmloO7TdNaPymUi63i62xHLW

Malware Config

Extracted

Family

azorult

C2

http://185.79.156.23/j0n0/index.php

Signatures

  • Azorult

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

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • UPX packed file 7 IoCs

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

  • AutoIT Executable 6 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8cb8a392ab4594e4be5f939fde2581be.exe
    "C:\Users\Admin\AppData\Local\Temp\8cb8a392ab4594e4be5f939fde2581be.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:4864
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
      2⤵
        PID:116
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c TimeOut 1 & Del /F "C:\Users\Admin\AppData\Local\Temp\8cb8a392ab4594e4be5f939fde2581be.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2812
        • C:\Windows\SysWOW64\timeout.exe
          TimeOut 1
          3⤵
          • Delays execution with timeout.exe
          PID:1616

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/116-16-0x0000000000570000-0x0000000000590000-memory.dmp

      Filesize

      128KB

    • memory/116-26-0x0000000000570000-0x0000000000590000-memory.dmp

      Filesize

      128KB

    • memory/116-24-0x0000000000570000-0x0000000000590000-memory.dmp

      Filesize

      128KB

    • memory/116-22-0x0000000000570000-0x0000000000590000-memory.dmp

      Filesize

      128KB

    • memory/116-20-0x0000000000570000-0x0000000000590000-memory.dmp

      Filesize

      128KB

    • memory/116-6-0x0000000000570000-0x0000000000590000-memory.dmp

      Filesize

      128KB

    • memory/116-18-0x0000000000570000-0x0000000000590000-memory.dmp

      Filesize

      128KB

    • memory/4864-3-0x0000000000DD0000-0x0000000000F64000-memory.dmp

      Filesize

      1.6MB

    • memory/4864-9-0x0000000000DA0000-0x0000000000DA1000-memory.dmp

      Filesize

      4KB

    • memory/4864-7-0x0000000000DD0000-0x0000000000F64000-memory.dmp

      Filesize

      1.6MB

    • memory/4864-0-0x0000000000DD0000-0x0000000000F64000-memory.dmp

      Filesize

      1.6MB

    • memory/4864-2-0x0000000000DD0000-0x0000000000F64000-memory.dmp

      Filesize

      1.6MB

    • memory/4864-1-0x0000000000DD0000-0x0000000000F64000-memory.dmp

      Filesize

      1.6MB

    • memory/4864-27-0x0000000000DD0000-0x0000000000F64000-memory.dmp

      Filesize

      1.6MB

    • memory/4864-28-0x0000000000DD0000-0x0000000000F64000-memory.dmp

      Filesize

      1.6MB