Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    10-11-2024 13:01

General

  • Target

    keygen.bat

  • Size

    149B

  • MD5

    0b2622826dd00820d5725440efd7d5f4

  • SHA1

    0a9f8675e9b39a984267d402449a7f2291edfb17

  • SHA256

    82723c93594b47e60cc855d7d113a09763bb4636330ff44bbbb949eb0fdcf54f

  • SHA512

    9f2ffa1065e7eeeda6a139ba1d85465cbb56a9be1419c90e599e604fc718244fc8b77b2bc46bbf3abba36e985b543c72d1e154e2d2d615c8519a9379e94804f3

Malware Config

Extracted

Family

azorult

C2

http://kvaka.li/1210776429.php

Signatures

  • Azorult

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

  • Azorult family
  • Executes dropped EXE 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Drops file in Windows directory 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: CmdExeWriteProcessMemorySpam 3 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c "C:\Users\Admin\AppData\Local\Temp\keygen.bat"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2316
    • C:\Users\Admin\AppData\Local\Temp\keygen-step-1.exe
      keygen-step-1.exe
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: CmdExeWriteProcessMemorySpam
      PID:3048
    • C:\Users\Admin\AppData\Local\Temp\keygen-step-6.exe
      keygen-step-6.exe
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: CmdExeWriteProcessMemorySpam
      • Suspicious use of WriteProcessMemory
      PID:2352
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c ping 127.0.0.1 && del "C:\Users\Admin\AppData\Local\Temp\keygen-step-6.exe" >> NUL
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Suspicious use of WriteProcessMemory
        PID:2564
        • C:\Windows\SysWOW64\PING.EXE
          ping 127.0.0.1
          4⤵
          • System Location Discovery: System Language Discovery
          • System Network Configuration Discovery: Internet Connection Discovery
          • Runs ping.exe
          PID:2672
    • C:\Users\Admin\AppData\Local\Temp\keygen-step-3.exe
      keygen-step-3.exe
      2⤵
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: CmdExeWriteProcessMemorySpam
      • Suspicious use of WriteProcessMemory
      PID:3052
      • C:\Windows\winnetdriv.exe
        "C:\Users\Admin\AppData\Local\Temp\keygen-step-3.exe" 1731243708 0
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:2084

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\winnetdriv.exe

    Filesize

    873KB

    MD5

    265cadde82b0c66dc39ad2d9ee800754

    SHA1

    2e9604eade6951d5a5b4a44bee1281e32166f395

    SHA256

    40fd6a0b671a0e5074a206201f57f7731a0d01baab5874b28a9b0f019a451c5a

    SHA512

    c99f3a5464e1ac02402814401c2cb66a9fafb794356395c1081bdf3c4c3534086498c19efe4055780a52a1bb80db81658c2cb4af5271015af51edf7bd3865e7b

  • memory/2084-17-0x0000000000190000-0x0000000000275000-memory.dmp

    Filesize

    916KB

  • memory/2352-0-0x00000000000F0000-0x0000000000108000-memory.dmp

    Filesize

    96KB

  • memory/3048-37-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/3052-5-0x0000000000440000-0x0000000000525000-memory.dmp

    Filesize

    916KB