Analysis

  • max time kernel
    150s
  • max time network
    137s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    02-04-2024 13:54

General

  • Target

    43e66c483be9cbb9f35ce7f57bf255925abd25a8fc40b80d79bf0cd2a3f54af9.exe

  • Size

    1.2MB

  • MD5

    eea1fbd22436e2b085fa5fcc55ea052e

  • SHA1

    76f7c18a39a48b86dda253eaa146fd6e1aa5df89

  • SHA256

    43e66c483be9cbb9f35ce7f57bf255925abd25a8fc40b80d79bf0cd2a3f54af9

  • SHA512

    3f9d3756e4e5f0bc1841a3fbfffd12fdd52708bb97db36b01dbb96b34946944e42297d9eb6e871f4ba5d653771118035eb7fc88f948e806911916409fc1bbdbe

  • SSDEEP

    24576:/j0pZcKDySR/Pxt8eD8dSevyifwZpNZ0C:L0zOu/JtR8HvyuSeC

Malware Config

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    ftp.lucd.ru
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    obum@911

Signatures

  • HawkEye

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

  • Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
  • NirSoft MailPassView 9 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 8 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 12 IoCs
  • Looks for VMWare Tools registry key 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • 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 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Suspicious use of SetThreadContext 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\43e66c483be9cbb9f35ce7f57bf255925abd25a8fc40b80d79bf0cd2a3f54af9.exe
    "C:\Users\Admin\AppData\Local\Temp\43e66c483be9cbb9f35ce7f57bf255925abd25a8fc40b80d79bf0cd2a3f54af9.exe"
    1⤵
    • Looks for VirtualBox Guest Additions in registry
    • Looks for VMWare Tools registry key
    • Checks BIOS information in registry
    • Maps connected drives based on registry
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1152
    • C:\Users\Admin\AppData\Local\Temp\43e66c483be9cbb9f35ce7f57bf255925abd25a8fc40b80d79bf0cd2a3f54af9.exe
      "{path}"
      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:2660
      • 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:1532
      • 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:2312

    Network

    MITRE ATT&CK Enterprise v15

    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/1152-21-0x0000000073EC0000-0x00000000745AE000-memory.dmp

      Filesize

      6.9MB

    • memory/1152-1-0x0000000073EC0000-0x00000000745AE000-memory.dmp

      Filesize

      6.9MB

    • memory/1152-2-0x0000000004F50000-0x0000000004F90000-memory.dmp

      Filesize

      256KB

    • memory/1152-3-0x00000000005B0000-0x00000000005C4000-memory.dmp

      Filesize

      80KB

    • memory/1152-4-0x0000000073EC0000-0x00000000745AE000-memory.dmp

      Filesize

      6.9MB

    • memory/1152-5-0x0000000004F50000-0x0000000004F90000-memory.dmp

      Filesize

      256KB

    • memory/1152-6-0x0000000005D00000-0x0000000005DC8000-memory.dmp

      Filesize

      800KB

    • memory/1152-7-0x0000000005090000-0x0000000005118000-memory.dmp

      Filesize

      544KB

    • memory/1152-0-0x0000000001090000-0x00000000011D4000-memory.dmp

      Filesize

      1.3MB

    • memory/1532-35-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/1532-29-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/1532-33-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/1532-32-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2312-36-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/2312-38-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/2312-42-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/2660-28-0x0000000000AA0000-0x0000000000AA8000-memory.dmp

      Filesize

      32KB

    • memory/2660-10-0x0000000000400000-0x0000000000488000-memory.dmp

      Filesize

      544KB

    • memory/2660-22-0x0000000073EC0000-0x00000000745AE000-memory.dmp

      Filesize

      6.9MB

    • memory/2660-18-0x0000000000400000-0x0000000000488000-memory.dmp

      Filesize

      544KB

    • memory/2660-16-0x0000000000400000-0x0000000000488000-memory.dmp

      Filesize

      544KB

    • memory/2660-31-0x0000000004F20000-0x0000000004F60000-memory.dmp

      Filesize

      256KB

    • memory/2660-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2660-23-0x0000000004F20000-0x0000000004F60000-memory.dmp

      Filesize

      256KB

    • memory/2660-20-0x0000000000400000-0x0000000000488000-memory.dmp

      Filesize

      544KB

    • memory/2660-13-0x0000000000400000-0x0000000000488000-memory.dmp

      Filesize

      544KB

    • memory/2660-12-0x0000000000400000-0x0000000000488000-memory.dmp

      Filesize

      544KB

    • memory/2660-43-0x0000000073EC0000-0x00000000745AE000-memory.dmp

      Filesize

      6.9MB

    • memory/2660-8-0x0000000000400000-0x0000000000488000-memory.dmp

      Filesize

      544KB

    • memory/2660-44-0x0000000004F20000-0x0000000004F60000-memory.dmp

      Filesize

      256KB

    • memory/2660-45-0x0000000004F20000-0x0000000004F60000-memory.dmp

      Filesize

      256KB