Analysis

  • max time kernel
    150s
  • max time network
    132s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-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 5 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 5 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 9 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 26 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:2976
    • 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:4364
      • 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:3424
      • 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:3400

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\43e66c483be9cbb9f35ce7f57bf255925abd25a8fc40b80d79bf0cd2a3f54af9.exe.log

            Filesize

            1KB

            MD5

            5200da2e50f24d5d543c3f10674acdcb

            SHA1

            b574a3336839882d799c0a7f635ea238efb934ee

            SHA256

            d2d81c1c9d35bc66149beaa77029bee68664d8512fc1efe373180bab77d61026

            SHA512

            24722a7de3250a6027a411c8b79d0720554c4efd59553f54b94ab77dc21efbf3191e0912901db475f08a6e9c1855d9e9594504d80d27300097418f4384a9d9cb

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

            Filesize

            3KB

            MD5

            f94dc819ca773f1e3cb27abbc9e7fa27

            SHA1

            9a7700efadc5ea09ab288544ef1e3cd876255086

            SHA256

            a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92

            SHA512

            72a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196

          • memory/2976-5-0x00000000050E0000-0x00000000050F0000-memory.dmp

            Filesize

            64KB

          • memory/2976-11-0x0000000007B40000-0x0000000007C08000-memory.dmp

            Filesize

            800KB

          • memory/2976-4-0x0000000004E90000-0x0000000004F22000-memory.dmp

            Filesize

            584KB

          • memory/2976-0-0x0000000000270000-0x00000000003B4000-memory.dmp

            Filesize

            1.3MB

          • memory/2976-6-0x0000000004DA0000-0x0000000004DAA000-memory.dmp

            Filesize

            40KB

          • memory/2976-7-0x00000000050F0000-0x0000000005146000-memory.dmp

            Filesize

            344KB

          • memory/2976-8-0x0000000005430000-0x0000000005444000-memory.dmp

            Filesize

            80KB

          • memory/2976-9-0x00000000746B0000-0x0000000074E60000-memory.dmp

            Filesize

            7.7MB

          • memory/2976-10-0x00000000050E0000-0x00000000050F0000-memory.dmp

            Filesize

            64KB

          • memory/2976-3-0x0000000005440000-0x00000000059E4000-memory.dmp

            Filesize

            5.6MB

          • memory/2976-12-0x000000000A170000-0x000000000A1F8000-memory.dmp

            Filesize

            544KB

          • memory/2976-13-0x000000000D270000-0x000000000D2D6000-memory.dmp

            Filesize

            408KB

          • memory/2976-18-0x00000000746B0000-0x0000000074E60000-memory.dmp

            Filesize

            7.7MB

          • memory/2976-2-0x0000000004DF0000-0x0000000004E8C000-memory.dmp

            Filesize

            624KB

          • memory/2976-1-0x00000000746B0000-0x0000000074E60000-memory.dmp

            Filesize

            7.7MB

          • memory/3400-40-0x0000000000400000-0x0000000000458000-memory.dmp

            Filesize

            352KB

          • memory/3400-33-0x0000000000400000-0x0000000000458000-memory.dmp

            Filesize

            352KB

          • memory/3400-32-0x0000000000400000-0x0000000000458000-memory.dmp

            Filesize

            352KB

          • memory/3400-30-0x0000000000400000-0x0000000000458000-memory.dmp

            Filesize

            352KB

          • memory/3424-27-0x0000000000400000-0x000000000041B000-memory.dmp

            Filesize

            108KB

          • memory/3424-28-0x0000000000400000-0x000000000041B000-memory.dmp

            Filesize

            108KB

          • memory/3424-29-0x0000000000400000-0x000000000041B000-memory.dmp

            Filesize

            108KB

          • memory/3424-25-0x0000000000400000-0x000000000041B000-memory.dmp

            Filesize

            108KB

          • memory/4364-24-0x0000000008130000-0x0000000008138000-memory.dmp

            Filesize

            32KB

          • memory/4364-19-0x0000000005410000-0x0000000005420000-memory.dmp

            Filesize

            64KB

          • memory/4364-17-0x00000000746B0000-0x0000000074E60000-memory.dmp

            Filesize

            7.7MB

          • memory/4364-14-0x0000000000400000-0x0000000000488000-memory.dmp

            Filesize

            544KB

          • memory/4364-41-0x00000000746B0000-0x0000000074E60000-memory.dmp

            Filesize

            7.7MB

          • memory/4364-42-0x0000000005410000-0x0000000005420000-memory.dmp

            Filesize

            64KB