Analysis

  • max time kernel
    63s
  • max time network
    138s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    25-06-2022 06:09

General

  • Target

    3a3a6db3d266830cd471cbb84d1707e915bf3ffbe54b84abff5ee703d91e6485.exe

  • Size

    713KB

  • MD5

    4d94576cdf1c060b6147d88bc438ec64

  • SHA1

    b09269028fa0b095afbedbc87a44768b5a29a6d7

  • SHA256

    3a3a6db3d266830cd471cbb84d1707e915bf3ffbe54b84abff5ee703d91e6485

  • SHA512

    4157976180155c7f3341c226f2fbc6730243263180aa059aa8cd0604377f068e44bd7f1005ea5e99c4ea07e76612db83adaca6f5f012bef396e87386c41dc5a5

Malware Config

Signatures

  • HawkEye

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

  • NirSoft MailPassView 7 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 7 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 12 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
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3a3a6db3d266830cd471cbb84d1707e915bf3ffbe54b84abff5ee703d91e6485.exe
    "C:\Users\Admin\AppData\Local\Temp\3a3a6db3d266830cd471cbb84d1707e915bf3ffbe54b84abff5ee703d91e6485.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1296
    • C:\Users\Admin\AppData\Local\Temp\3a3a6db3d266830cd471cbb84d1707e915bf3ffbe54b84abff5ee703d91e6485.exe
      C:\Users\Admin\AppData\Local\Temp\3a3a6db3d266830cd471cbb84d1707e915bf3ffbe54b84abff5ee703d91e6485.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:1988
      • 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:592
      • 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:1036

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Execution

    Scripting

    1
    T1064

    Defense Evasion

    Scripting

    1
    T1064

    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

    • memory/592-71-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/592-79-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/592-77-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/592-75-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/592-72-0x0000000000411654-mapping.dmp
    • memory/1036-81-0x0000000000442628-mapping.dmp
    • memory/1036-87-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/1036-85-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/1036-84-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/1036-80-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/1296-56-0x0000000000330000-0x0000000000336000-memory.dmp
      Filesize

      24KB

    • memory/1296-57-0x0000000075741000-0x0000000075743000-memory.dmp
      Filesize

      8KB

    • memory/1296-59-0x0000000077C70000-0x0000000077DF0000-memory.dmp
      Filesize

      1.5MB

    • memory/1988-63-0x0000000000400000-0x000000000047B000-memory.dmp
      Filesize

      492KB

    • memory/1988-58-0x000000000048E86A-mapping.dmp
    • memory/1988-78-0x0000000074C00000-0x00000000751AB000-memory.dmp
      Filesize

      5.7MB

    • memory/1988-76-0x00000000067E5000-0x00000000067F6000-memory.dmp
      Filesize

      68KB

    • memory/1988-70-0x0000000074C00000-0x00000000751AB000-memory.dmp
      Filesize

      5.7MB

    • memory/1988-66-0x0000000006550000-0x00000000065E6000-memory.dmp
      Filesize

      600KB

    • memory/1988-69-0x0000000077C70000-0x0000000077DF0000-memory.dmp
      Filesize

      1.5MB

    • memory/1988-88-0x00000000067E5000-0x00000000067F6000-memory.dmp
      Filesize

      68KB