Analysis

  • max time kernel
    93s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    25-11-2022 07:04

General

  • Target

    cb3ee88ee9e3b3bfe4345ebefe26da3ff33efcc8409a2e5cd362e381d8c90012.exe

  • Size

    633KB

  • MD5

    bef5621e26ae25e61980a4ba625acc37

  • SHA1

    e5d5aafc18c78d7c2e5c9572a3146148c260e6e5

  • SHA256

    cb3ee88ee9e3b3bfe4345ebefe26da3ff33efcc8409a2e5cd362e381d8c90012

  • SHA512

    c6e7110da0b61146d2d3363401698259e404767d62eb281f1e877c3937521feb37157c2acaf09e210ace655cb96166e0347af3925dedb402bc882430e46fd29b

  • SSDEEP

    12288:KCz6oYTQuFS8K8aRmGeqA64IGdUMpCiqFpShs+R6:PaYzA/aH

Malware Config

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
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Uses the VBS compiler for execution 1 TTPs
  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Adds Run key to start application 2 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
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cb3ee88ee9e3b3bfe4345ebefe26da3ff33efcc8409a2e5cd362e381d8c90012.exe
    "C:\Users\Admin\AppData\Local\Temp\cb3ee88ee9e3b3bfe4345ebefe26da3ff33efcc8409a2e5cd362e381d8c90012.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1604
    • C:\Users\Admin\AppData\Local\Temp\cb3ee88ee9e3b3bfe4345ebefe26da3ff33efcc8409a2e5cd362e381d8c90012.exe
      "C:\Users\Admin\AppData\Local\Temp\cb3ee88ee9e3b3bfe4345ebefe26da3ff33efcc8409a2e5cd362e381d8c90012.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:1736
      • 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:1008
      • 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:1684

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      2B

      MD5

      f3b25701fe362ec84616a93a45ce9998

      SHA1

      d62636d8caec13f04e28442a0a6fa1afeb024bbb

      SHA256

      b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

      SHA512

      98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

    • memory/1008-79-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/1008-73-0x0000000000411654-mapping.dmp

    • memory/1008-72-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/1008-76-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/1008-78-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/1604-55-0x0000000074E70000-0x000000007541B000-memory.dmp

      Filesize

      5.7MB

    • memory/1604-56-0x0000000074E70000-0x000000007541B000-memory.dmp

      Filesize

      5.7MB

    • memory/1604-54-0x0000000076DC1000-0x0000000076DC3000-memory.dmp

      Filesize

      8KB

    • memory/1604-69-0x0000000074E70000-0x000000007541B000-memory.dmp

      Filesize

      5.7MB

    • memory/1684-87-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/1684-80-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/1684-81-0x0000000000442628-mapping.dmp

    • memory/1684-84-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/1684-85-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/1736-61-0x0000000000400000-0x0000000000484000-memory.dmp

      Filesize

      528KB

    • memory/1736-71-0x0000000074E70000-0x000000007541B000-memory.dmp

      Filesize

      5.7MB

    • memory/1736-77-0x0000000000C35000-0x0000000000C46000-memory.dmp

      Filesize

      68KB

    • memory/1736-70-0x0000000074E70000-0x000000007541B000-memory.dmp

      Filesize

      5.7MB

    • memory/1736-67-0x0000000000400000-0x0000000000484000-memory.dmp

      Filesize

      528KB

    • memory/1736-65-0x0000000000400000-0x0000000000484000-memory.dmp

      Filesize

      528KB

    • memory/1736-63-0x000000000047EA7E-mapping.dmp

    • memory/1736-62-0x0000000000400000-0x0000000000484000-memory.dmp

      Filesize

      528KB

    • memory/1736-60-0x0000000000400000-0x0000000000484000-memory.dmp

      Filesize

      528KB

    • memory/1736-58-0x0000000000400000-0x0000000000484000-memory.dmp

      Filesize

      528KB

    • memory/1736-57-0x0000000000400000-0x0000000000484000-memory.dmp

      Filesize

      528KB

    • memory/1736-88-0x0000000000C35000-0x0000000000C46000-memory.dmp

      Filesize

      68KB