Analysis

  • max time kernel
    116s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 11:49

General

  • Target

    DBS-6700H.exe

  • Size

    293KB

  • MD5

    5abb6d53b7598faa6d7642d44bde0a49

  • SHA1

    32c06b8fdbc2380441a5adba40bb933f045a1da5

  • SHA256

    766195863e4ab2ce2b2b2b61018fdd5409a4da51ca7fe0c392ae442f39631780

  • SHA512

    431e7b10c8f45b91068bae3f5df48aedea48aef2fbacc3d001ff3886682bbf5a2a8b7cdd9bb8286cf5bd5dde6eaa049e27336177adfb6304d888dec39e315a5c

Malware Config

Extracted

Family

azorult

C2

http://waterchem.com.tr/css/Panel/index.php

Signatures

  • Azorult

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

  • Looks for VirtualBox Guest Additions in registry 2 TTPs
  • Looks for VMWare Tools registry key 2 TTPs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Uses the VBS compiler for execution 1 TTPs
  • Maps connected drives based on registry 3 TTPs 2 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\DBS-6700H.exe
    "C:\Users\Admin\AppData\Local\Temp\DBS-6700H.exe"
    1⤵
    • Checks BIOS information in registry
    • Maps connected drives based on registry
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3420
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
      "{path}"
      2⤵
        PID:3932

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Execution

    Scripting

    1
    T1064

    Defense Evasion

    Virtualization/Sandbox Evasion

    2
    T1497

    Scripting

    1
    T1064

    Discovery

    Query Registry

    4
    T1012

    Virtualization/Sandbox Evasion

    2
    T1497

    System Information Discovery

    2
    T1082

    Peripheral Device Discovery

    1
    T1120

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/3420-130-0x0000000074970000-0x0000000074F21000-memory.dmp
      Filesize

      5.7MB

    • memory/3932-131-0x0000000000000000-mapping.dmp
    • memory/3932-132-0x0000000000400000-0x0000000000420000-memory.dmp
      Filesize

      128KB

    • memory/3932-134-0x0000000000400000-0x0000000000420000-memory.dmp
      Filesize

      128KB

    • memory/3932-135-0x0000000000400000-0x0000000000420000-memory.dmp
      Filesize

      128KB