Analysis

  • max time kernel
    142s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 18:40

General

  • Target

    13b49f79770901f3da5366e2035e87c3bfb34f72c224639c05d25e5a3fa56512.exe

  • Size

    449KB

  • MD5

    494cc39f9eeaa66ab2169599de41049c

  • SHA1

    160ff6440e939ae1a7e51a21a19a5fff7e26a26d

  • SHA256

    13b49f79770901f3da5366e2035e87c3bfb34f72c224639c05d25e5a3fa56512

  • SHA512

    22e3a2ea2b9b5aa8c8102201ee1e8248cba523fb1cb4a3b3659d2a26f5af9fcf477797af4d50143270b98d43557961c2ba3c285664a974d973e6b170b102f1da

  • SSDEEP

    6144:kYz7/nTM52rAYJILXnbXt5zTDFGPMR3E0CgcbDeP06VGmwvSgFEyBLiUK:/vTMMrqL37t5/oMdKE0xBLiUK

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.gmail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    1234567oko

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
  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\13b49f79770901f3da5366e2035e87c3bfb34f72c224639c05d25e5a3fa56512.exe
    "C:\Users\Admin\AppData\Local\Temp\13b49f79770901f3da5366e2035e87c3bfb34f72c224639c05d25e5a3fa56512.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1980
    • C:\Users\Admin\AppData\Local\Temp\13b49f79770901f3da5366e2035e87c3bfb34f72c224639c05d25e5a3fa56512.exe
      "C:\Users\Admin\AppData\Local\Temp\13b49f79770901f3da5366e2035e87c3bfb34f72c224639c05d25e5a3fa56512.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:1712
      • 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:1696
      • 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⤵
          PID:1716

    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\holdermail.txt
      Filesize

      2B

      MD5

      f3b25701fe362ec84616a93a45ce9998

      SHA1

      d62636d8caec13f04e28442a0a6fa1afeb024bbb

      SHA256

      b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

      SHA512

      98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

    • memory/1696-73-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1696-81-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1696-80-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1696-78-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1696-74-0x0000000000411654-mapping.dmp
    • memory/1712-63-0x0000000000400000-0x000000000048A000-memory.dmp
      Filesize

      552KB

    • memory/1712-79-0x0000000074340000-0x00000000748EB000-memory.dmp
      Filesize

      5.7MB

    • memory/1712-64-0x0000000000483E7E-mapping.dmp
    • memory/1712-66-0x0000000000400000-0x000000000048A000-memory.dmp
      Filesize

      552KB

    • memory/1712-68-0x0000000000400000-0x000000000048A000-memory.dmp
      Filesize

      552KB

    • memory/1712-70-0x0000000074340000-0x00000000748EB000-memory.dmp
      Filesize

      5.7MB

    • memory/1712-88-0x0000000000CF5000-0x0000000000D06000-memory.dmp
      Filesize

      68KB

    • memory/1712-57-0x0000000000400000-0x000000000048A000-memory.dmp
      Filesize

      552KB

    • memory/1712-62-0x0000000000400000-0x000000000048A000-memory.dmp
      Filesize

      552KB

    • memory/1712-60-0x0000000000400000-0x000000000048A000-memory.dmp
      Filesize

      552KB

    • memory/1712-76-0x0000000000CF5000-0x0000000000D06000-memory.dmp
      Filesize

      68KB

    • memory/1712-58-0x0000000000400000-0x000000000048A000-memory.dmp
      Filesize

      552KB

    • memory/1716-83-0x0000000000442628-mapping.dmp
    • memory/1716-82-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/1716-86-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/1716-87-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/1716-90-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/1980-72-0x0000000000BB6000-0x0000000000BC7000-memory.dmp
      Filesize

      68KB

    • memory/1980-56-0x0000000000BB6000-0x0000000000BC7000-memory.dmp
      Filesize

      68KB

    • memory/1980-54-0x0000000075981000-0x0000000075983000-memory.dmp
      Filesize

      8KB

    • memory/1980-71-0x0000000074340000-0x00000000748EB000-memory.dmp
      Filesize

      5.7MB

    • memory/1980-55-0x0000000074340000-0x00000000748EB000-memory.dmp
      Filesize

      5.7MB