Analysis

  • max time kernel
    91s
  • max time network
    110s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    24/03/2021, 14:21

General

  • Target
    5FA419963E89B5357584B244883A6F74.exe
  • Size 117KB
  • Sample210324-kcrjcn2fde
  • SHA256 1c09185073745fd52b43d9e14b0a108d6db62342e1bd19435ca098f005ebb8b9
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • azorult

C2
  • http://195.245.112.115/index.php

Signatures

  • Azorult

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

  • Suspicious use of NtSetInformationThreadHideFromDebugger 17 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Delays execution with timeout.exe 1 IoCs
  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 17 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5FA419963E89B5357584B244883A6F74.exe
    "C:\Users\Admin\AppData\Local\Temp\5FA419963E89B5357584B244883A6F74.exe"
    1⤵
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:644
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c timeout 1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:192
      • C:\Windows\SysWOW64\timeout.exe
        timeout 1
        3⤵
        • Delays execution with timeout.exe
        PID:3584
    • C:\Users\Admin\AppData\Local\Temp\5FA419963E89B5357584B244883A6F74.exe
      "C:\Users\Admin\AppData\Local\Temp\5FA419963E89B5357584B244883A6F74.exe"
      2⤵
        PID:3472
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 644 -s 2680
        2⤵
        • Program crash
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2132

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          memory/644-2-0x0000000073F80000-0x000000007466E000-memory.dmp

          memory/644-3-0x0000000000D20000-0x0000000000D21000-memory.dmp

          memory/644-5-0x0000000006410000-0x0000000006411000-memory.dmp

          memory/644-6-0x0000000007800000-0x0000000007801000-memory.dmp

          memory/644-7-0x0000000004F80000-0x0000000004FAD000-memory.dmp

          memory/644-10-0x0000000006FB0000-0x0000000006FB1000-memory.dmp

          memory/2132-14-0x0000000004F20000-0x0000000004F21000-memory.dmp

          memory/3472-11-0x0000000000400000-0x0000000000421000-memory.dmp

          memory/3472-13-0x0000000000400000-0x0000000000421000-memory.dmp