Analysis

  • max time kernel
    136s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    28-11-2022 18:24

General

  • Target

    c14608ff1f941233ce40b6315883c297c40301643ccef1b36ee25cf1d27438b0.exe

  • Size

    732KB

  • MD5

    afa375e9ac70825064232b450f7842fb

  • SHA1

    39da0f8088e1dc0f182af9acc11b1a208923f0b7

  • SHA256

    c14608ff1f941233ce40b6315883c297c40301643ccef1b36ee25cf1d27438b0

  • SHA512

    4fc96765ac09838703f50462cc22d8990ab38af336d636d7ba541244bf28ca443bf004ea8727fa08a6b0dfcddae0dffeb8f730a6fa7cc277ccb143a3cf241586

  • SSDEEP

    12288:DAabfioeBJ3bChfWLMpiwcQmUMv/SajBCJNwcCq/mvB8pdm+DFETxP9:11y3uhf1m3nNjBkwcCq/hdD8P9

Malware Config

Signatures

  • HawkEye

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

  • NirSoft MailPassView 12 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 12 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 17 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 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 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 63 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c14608ff1f941233ce40b6315883c297c40301643ccef1b36ee25cf1d27438b0.exe
    "C:\Users\Admin\AppData\Local\Temp\c14608ff1f941233ce40b6315883c297c40301643ccef1b36ee25cf1d27438b0.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1308
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:892
      • C:\Users\Admin\AppData\Roaming\Windows Update.exe
        "C:\Users\Admin\AppData\Roaming\Windows Update.exe"
        3⤵
        • Executes dropped EXE
        PID:904
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.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 WriteProcessMemory
      PID:1172
      • 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:1928
      • 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:1280
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe" /O1kFkwnM /C:\Users\Admin\AppData\Roaming\O1kFkwnM\O1kFkwnM.exe
        2⤵
          PID:1148

      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\SysInfo.txt
        Filesize

        57B

        MD5

        d685103573539b7e9fdbf5f1d7dd96ce

        SHA1

        4b2fe6b5c0b37954b314fcaee1f12237a9b02d07

        SHA256

        d78bc23b0ca3eddf52d56ab85cdc30a71b3756569cb32aa2f6c28dbc23c76e8e

        SHA512

        17769a5944e8929323a34269abeef0861d5c6799b0a27f5545fbfadc80e5ab684a471ad6f6a7fc623002385154ea89de94013051e09120ab94362e542ab0f1dd

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

        2B

        MD5

        f3b25701fe362ec84616a93a45ce9998

        SHA1

        d62636d8caec13f04e28442a0a6fa1afeb024bbb

        SHA256

        b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

        SHA512

        98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

      • C:\Users\Admin\AppData\Roaming\Windows Update.exe
        Filesize

        32KB

        MD5

        d79f070423fdd3f01ce8c2ba3fbbc8ed

        SHA1

        2f8ed26eb714b4efbe5d7a3167e33ade82c51fd8

        SHA256

        97bd627ebfc4d40b21ebaaed916a1ba53859520edc99537b37d042a0d5425a5a

        SHA512

        47bdc8cce5cd308053d9429a512924448e65023d154b798668d1ee8f628c1b548651e968e7c03db4a6770705f382b9e96db246c39f838000924985b53ccaa3db

      • C:\Users\Admin\AppData\Roaming\Windows Update.exe
        Filesize

        32KB

        MD5

        d79f070423fdd3f01ce8c2ba3fbbc8ed

        SHA1

        2f8ed26eb714b4efbe5d7a3167e33ade82c51fd8

        SHA256

        97bd627ebfc4d40b21ebaaed916a1ba53859520edc99537b37d042a0d5425a5a

        SHA512

        47bdc8cce5cd308053d9429a512924448e65023d154b798668d1ee8f628c1b548651e968e7c03db4a6770705f382b9e96db246c39f838000924985b53ccaa3db

      • \Users\Admin\AppData\Roaming\Windows Update.exe
        Filesize

        32KB

        MD5

        d79f070423fdd3f01ce8c2ba3fbbc8ed

        SHA1

        2f8ed26eb714b4efbe5d7a3167e33ade82c51fd8

        SHA256

        97bd627ebfc4d40b21ebaaed916a1ba53859520edc99537b37d042a0d5425a5a

        SHA512

        47bdc8cce5cd308053d9429a512924448e65023d154b798668d1ee8f628c1b548651e968e7c03db4a6770705f382b9e96db246c39f838000924985b53ccaa3db

      • memory/892-61-0x0000000000400000-0x0000000000484000-memory.dmp
        Filesize

        528KB

      • memory/892-64-0x0000000000400000-0x0000000000484000-memory.dmp
        Filesize

        528KB

      • memory/892-66-0x0000000000400000-0x0000000000484000-memory.dmp
        Filesize

        528KB

      • memory/892-62-0x000000000047EA9E-mapping.dmp
      • memory/892-60-0x0000000000400000-0x0000000000484000-memory.dmp
        Filesize

        528KB

      • memory/892-68-0x0000000074180000-0x000000007472B000-memory.dmp
        Filesize

        5.7MB

      • memory/892-59-0x0000000000400000-0x0000000000484000-memory.dmp
        Filesize

        528KB

      • memory/892-74-0x0000000074180000-0x000000007472B000-memory.dmp
        Filesize

        5.7MB

      • memory/892-57-0x0000000000400000-0x0000000000484000-memory.dmp
        Filesize

        528KB

      • memory/892-56-0x0000000000400000-0x0000000000484000-memory.dmp
        Filesize

        528KB

      • memory/904-70-0x0000000000000000-mapping.dmp
      • memory/904-75-0x0000000074180000-0x000000007472B000-memory.dmp
        Filesize

        5.7MB

      • memory/1148-109-0x0000000000400000-0x0000000000408000-memory.dmp
        Filesize

        32KB

      • memory/1148-100-0x0000000000400000-0x0000000000408000-memory.dmp
        Filesize

        32KB

      • memory/1148-121-0x0000000074180000-0x000000007472B000-memory.dmp
        Filesize

        5.7MB

      • memory/1148-111-0x0000000074180000-0x000000007472B000-memory.dmp
        Filesize

        5.7MB

      • memory/1148-107-0x0000000000400000-0x0000000000408000-memory.dmp
        Filesize

        32KB

      • memory/1148-104-0x0000000000400000-0x0000000000408000-memory.dmp
        Filesize

        32KB

      • memory/1148-105-0x00000000004026FA-mapping.dmp
      • memory/1148-102-0x0000000000400000-0x0000000000408000-memory.dmp
        Filesize

        32KB

      • memory/1148-101-0x0000000000400000-0x0000000000408000-memory.dmp
        Filesize

        32KB

      • memory/1172-96-0x0000000000D06000-0x0000000000D17000-memory.dmp
        Filesize

        68KB

      • memory/1172-89-0x0000000074180000-0x000000007472B000-memory.dmp
        Filesize

        5.7MB

      • memory/1172-120-0x0000000000D06000-0x0000000000D17000-memory.dmp
        Filesize

        68KB

      • memory/1172-82-0x000000000047EA9E-mapping.dmp
      • memory/1172-99-0x0000000074180000-0x000000007472B000-memory.dmp
        Filesize

        5.7MB

      • memory/1280-112-0x0000000000400000-0x0000000000458000-memory.dmp
        Filesize

        352KB

      • memory/1280-119-0x0000000000400000-0x0000000000458000-memory.dmp
        Filesize

        352KB

      • memory/1280-117-0x0000000000400000-0x0000000000458000-memory.dmp
        Filesize

        352KB

      • memory/1280-116-0x0000000000400000-0x0000000000458000-memory.dmp
        Filesize

        352KB

      • memory/1280-113-0x0000000000442628-mapping.dmp
      • memory/1308-90-0x0000000074180000-0x000000007472B000-memory.dmp
        Filesize

        5.7MB

      • memory/1308-54-0x0000000074DA1000-0x0000000074DA3000-memory.dmp
        Filesize

        8KB

      • memory/1308-55-0x0000000074180000-0x000000007472B000-memory.dmp
        Filesize

        5.7MB

      • memory/1928-91-0x0000000000400000-0x000000000041B000-memory.dmp
        Filesize

        108KB

      • memory/1928-92-0x0000000000411654-mapping.dmp
      • memory/1928-95-0x0000000000400000-0x000000000041B000-memory.dmp
        Filesize

        108KB

      • memory/1928-97-0x0000000000400000-0x000000000041B000-memory.dmp
        Filesize

        108KB

      • memory/1928-98-0x0000000000400000-0x000000000041B000-memory.dmp
        Filesize

        108KB