Analysis

  • max time kernel
    141s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    27-11-2022 12:47

General

  • Target

    8c68528327f35ac8786011785f9903a610b7b9f031d3087067fca490d1abdb39.exe

  • Size

    564KB

  • MD5

    a8dda1192aaac2da127a99b1e3600f25

  • SHA1

    6e34212ef48f09ff0db836aab80c353f32feb9b4

  • SHA256

    8c68528327f35ac8786011785f9903a610b7b9f031d3087067fca490d1abdb39

  • SHA512

    a2b20a46530b936dee7b6ff212f6025d2b56e48cc98ac46e31a655697ff9c45795b6556cb12cc0d6bf91d3623d1a6e76617b4d09c13c9c5da9305e0142e50d38

  • SSDEEP

    12288:qSuqIz05wqquggrepn7rNezSOesRS6BRJvbd:qNz07CRrKSAbPb

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.gmail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Waynerossi

Signatures

  • HawkEye

    HawkEye is a malware kit that has seen continuous development since at least 2013.

  • NirSoft MailPassView 11 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 11 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 16 IoCs
  • Drops startup file 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Looks up external IP address via web service 3 IoCs

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

  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 32 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8c68528327f35ac8786011785f9903a610b7b9f031d3087067fca490d1abdb39.exe
    "C:\Users\Admin\AppData\Local\Temp\8c68528327f35ac8786011785f9903a610b7b9f031d3087067fca490d1abdb39.exe"
    1⤵
    • Drops startup file
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1784
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:1692
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
        C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holdermail.txt"
        3⤵
        • Accesses Microsoft Outlook accounts
        PID:1980
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
        C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holderwb.txt"
        3⤵
          PID:1744

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Execution

    Scripting

    1
    T1064

    Defense Evasion

    Scripting

    1
    T1064

    Discovery

    System Information Discovery

    1
    T1082

    Collection

    Email Collection

    1
    T1114

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\holderwb.txt
      Filesize

      2B

      MD5

      f3b25701fe362ec84616a93a45ce9998

      SHA1

      d62636d8caec13f04e28442a0a6fa1afeb024bbb

      SHA256

      b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

      SHA512

      98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

    • \Users\Admin\AppData\Roaming\PSILlzC\WwXBSrQ.exe
      Filesize

      564KB

      MD5

      a8dda1192aaac2da127a99b1e3600f25

      SHA1

      6e34212ef48f09ff0db836aab80c353f32feb9b4

      SHA256

      8c68528327f35ac8786011785f9903a610b7b9f031d3087067fca490d1abdb39

      SHA512

      a2b20a46530b936dee7b6ff212f6025d2b56e48cc98ac46e31a655697ff9c45795b6556cb12cc0d6bf91d3623d1a6e76617b4d09c13c9c5da9305e0142e50d38

    • memory/1692-72-0x0000000074F40000-0x00000000754EB000-memory.dmp
      Filesize

      5.7MB

    • memory/1692-59-0x0000000000400000-0x0000000000484000-memory.dmp
      Filesize

      528KB

    • memory/1692-87-0x0000000000516000-0x0000000000527000-memory.dmp
      Filesize

      68KB

    • memory/1692-78-0x0000000000516000-0x0000000000527000-memory.dmp
      Filesize

      68KB

    • memory/1692-61-0x0000000000400000-0x0000000000484000-memory.dmp
      Filesize

      528KB

    • memory/1692-62-0x000000000047EA3E-mapping.dmp
    • memory/1692-64-0x0000000000400000-0x0000000000484000-memory.dmp
      Filesize

      528KB

    • memory/1692-66-0x0000000000400000-0x0000000000484000-memory.dmp
      Filesize

      528KB

    • memory/1692-60-0x0000000000400000-0x0000000000484000-memory.dmp
      Filesize

      528KB

    • memory/1692-56-0x0000000000400000-0x0000000000484000-memory.dmp
      Filesize

      528KB

    • memory/1692-57-0x0000000000400000-0x0000000000484000-memory.dmp
      Filesize

      528KB

    • memory/1692-71-0x0000000074F40000-0x00000000754EB000-memory.dmp
      Filesize

      5.7MB

    • memory/1744-85-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/1744-84-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/1744-89-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/1744-80-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/1744-81-0x0000000000442628-mapping.dmp
    • memory/1784-55-0x0000000074FC0000-0x000000007556B000-memory.dmp
      Filesize

      5.7MB

    • memory/1784-70-0x0000000074FC0000-0x000000007556B000-memory.dmp
      Filesize

      5.7MB

    • memory/1784-67-0x0000000074FC0000-0x000000007556B000-memory.dmp
      Filesize

      5.7MB

    • memory/1784-54-0x0000000075DA1000-0x0000000075DA3000-memory.dmp
      Filesize

      8KB

    • memory/1980-74-0x0000000000411654-mapping.dmp
    • memory/1980-86-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1980-77-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1980-79-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1980-73-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB