Analysis

  • max time kernel
    121s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20220715-en
  • resource tags

    arch:x64arch:x86image:win7-20220715-enlocale:en-usos:windows7-x64system
  • submitted
    01-08-2022 15:57

General

  • Target

    5c00f9528d06ab9f9d4ca56d32c71a16b1c7b190203a079203afc56528508828.exe

  • Size

    821KB

  • MD5

    7a7d4707e5f19d9a3199f735476bc01a

  • SHA1

    6fc359ecf7335b36012332afe1b57a197902419d

  • SHA256

    5c00f9528d06ab9f9d4ca56d32c71a16b1c7b190203a079203afc56528508828

  • SHA512

    e4e1c8a0ae313346c59791e85658b6d4e314e76d143b3f356bd5235dad5da23e776f5c891594211c12ba3ba56bc1c32a01a6e91617f7be8ee8f2ff13eb053984

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 6 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 11 IoCs
  • 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 behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5c00f9528d06ab9f9d4ca56d32c71a16b1c7b190203a079203afc56528508828.exe
    "C:\Users\Admin\AppData\Local\Temp\5c00f9528d06ab9f9d4ca56d32c71a16b1c7b190203a079203afc56528508828.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2008
    • C:\Users\Admin\AppData\Local\Temp\5c00f9528d06ab9f9d4ca56d32c71a16b1c7b190203a079203afc56528508828.exe
      C:\Users\Admin\AppData\Local\Temp\5c00f9528d06ab9f9d4ca56d32c71a16b1c7b190203a079203afc56528508828.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:108
      • 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:860
      • 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:1496

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Execution

    Scripting

    1
    T1064

    Persistence

    Registry Run Keys / Startup Folder

    1
    T1060

    Defense Evasion

    Scripting

    1
    T1064

    Modify Registry

    1
    T1112

    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/108-77-0x0000000006A85000-0x0000000006A96000-memory.dmp
      Filesize

      68KB

    • memory/108-88-0x0000000006A85000-0x0000000006A96000-memory.dmp
      Filesize

      68KB

    • memory/108-58-0x00000000004AF054-mapping.dmp
    • memory/108-63-0x0000000000400000-0x000000000047B000-memory.dmp
      Filesize

      492KB

    • memory/108-66-0x0000000006680000-0x0000000006716000-memory.dmp
      Filesize

      600KB

    • memory/108-69-0x0000000077C40000-0x0000000077DC0000-memory.dmp
      Filesize

      1.5MB

    • memory/108-70-0x0000000077C40000-0x0000000077DC0000-memory.dmp
      Filesize

      1.5MB

    • memory/108-71-0x0000000074E00000-0x00000000753AB000-memory.dmp
      Filesize

      5.7MB

    • memory/108-79-0x0000000074E00000-0x00000000753AB000-memory.dmp
      Filesize

      5.7MB

    • memory/860-73-0x0000000000411654-mapping.dmp
    • memory/860-76-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/860-78-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/860-72-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/860-80-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1496-81-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/1496-82-0x0000000000442628-mapping.dmp
    • memory/1496-85-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/1496-87-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/2008-56-0x00000000004D0000-0x00000000004D8000-memory.dmp
      Filesize

      32KB

    • memory/2008-59-0x0000000077C40000-0x0000000077DC0000-memory.dmp
      Filesize

      1.5MB

    • memory/2008-57-0x0000000075791000-0x0000000075793000-memory.dmp
      Filesize

      8KB