Analysis

  • max time kernel
    145s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240611-en
  • resource tags

    arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
  • submitted
    03-07-2024 06:26

General

  • Target

    file.exe

  • Size

    2.4MB

  • MD5

    acd738c0840861a12f13acff7c6fd7e5

  • SHA1

    113b1470af40d3bd3a2af70f57390ba5d8b1162a

  • SHA256

    dde34f614758e4d68e6732f7de0c9e210e6e8d56d65aae0f2cb1ee5d953d587c

  • SHA512

    28f42d37296b2c36307a186f8900f38b892604fa859f5b74bb4c0a1aa5c40545f7769d65f2731f14ed9aa434029367f7e65e2c1e6d0dec9d1836b38bbd8fa36f

  • SSDEEP

    49152:jghPiN+z8pTtWAF8aLy7JPGc+u0DyWpzGDAhZkWdP8I7u6:mPf4ppWAF8/tu5u8LzGshZt1u

Malware Config

Extracted

Family

stealc

Botnet

jony

C2

http://85.28.47.4

Attributes
  • url_path

    /920475a59bac849d.php

Extracted

Family

amadey

Version

4.30

Botnet

4dd39d

C2

http://77.91.77.82

Attributes
  • install_dir

    ad40971b6b

  • install_file

    explorti.exe

  • strings_key

    a434973ad22def7137dbb5e059b7081e

  • url_paths

    /Hun4Ko/index.php

rc4.plain

Signatures

  • Amadey

    Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

  • Stealc

    Stealc is an infostealer written in C++.

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs
  • Downloads MZ/PE file
  • Checks BIOS information in registry 2 TTPs 4 IoCs

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

  • Executes dropped EXE 3 IoCs
  • Identifies Wine through registry keys 2 TTPs 2 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • Loads dropped DLL 6 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2260
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\IECGIEBAEB.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2772
      • C:\Users\Admin\AppData\Local\Temp\IECGIEBAEB.exe
        "C:\Users\Admin\AppData\Local\Temp\IECGIEBAEB.exe"
        3⤵
        • Identifies VirtualBox via ACPI registry values (likely anti-VM)
        • Checks BIOS information in registry
        • Executes dropped EXE
        • Identifies Wine through registry keys
        • Loads dropped DLL
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:1452
        • C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
          "C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe"
          4⤵
          • Identifies VirtualBox via ACPI registry values (likely anti-VM)
          • Checks BIOS information in registry
          • Executes dropped EXE
          • Identifies Wine through registry keys
          • Loads dropped DLL
          • Suspicious use of NtSetInformationThreadHideFromDebugger
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:2020
          • C:\Users\Admin\AppData\Local\Temp\1000006001\73420b51f7.exe
            "C:\Users\Admin\AppData\Local\Temp\1000006001\73420b51f7.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of NtSetInformationThreadHideFromDebugger
            • Suspicious use of SetWindowsHookEx
            PID:1668
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\GDBKJDGIJE.exe"
      2⤵
        PID:880

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\1000006001\73420b51f7.exe

      Filesize

      2.4MB

      MD5

      acd738c0840861a12f13acff7c6fd7e5

      SHA1

      113b1470af40d3bd3a2af70f57390ba5d8b1162a

      SHA256

      dde34f614758e4d68e6732f7de0c9e210e6e8d56d65aae0f2cb1ee5d953d587c

      SHA512

      28f42d37296b2c36307a186f8900f38b892604fa859f5b74bb4c0a1aa5c40545f7769d65f2731f14ed9aa434029367f7e65e2c1e6d0dec9d1836b38bbd8fa36f

    • C:\Users\Admin\AppData\Local\Temp\IECGIEBAEB.exe

      Filesize

      1.8MB

      MD5

      e5063918fa59220d9ed0825cd9db008d

      SHA1

      67ffb0e5b5bb17570693cb5f4ae71f6eb884aa5f

      SHA256

      f7f95df14c2a31de57ed2b10749ff0b10706b7562acd667099243d1c6a754a47

      SHA512

      a42e7418644f042934d2fec087b3e16fe7f7252c3963b3f81762127a7055ada0ffc6fb31699021620b58627f699d2e55e3a94df71d27b6ea216ba76c9574d3d8

    • \ProgramData\mozglue.dll

      Filesize

      593KB

      MD5

      c8fd9be83bc728cc04beffafc2907fe9

      SHA1

      95ab9f701e0024cedfbd312bcfe4e726744c4f2e

      SHA256

      ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

      SHA512

      fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

    • \ProgramData\nss3.dll

      Filesize

      2.0MB

      MD5

      1cc453cdf74f31e4d913ff9c10acdde2

      SHA1

      6e85eae544d6e965f15fa5c39700fa7202f3aafe

      SHA256

      ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

      SHA512

      dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

    • memory/1452-101-0x0000000001240000-0x0000000001704000-memory.dmp

      Filesize

      4.8MB

    • memory/1452-117-0x0000000001240000-0x0000000001704000-memory.dmp

      Filesize

      4.8MB

    • memory/1668-142-0x0000000000290000-0x0000000000E80000-memory.dmp

      Filesize

      11.9MB

    • memory/1668-139-0x0000000000290000-0x0000000000E80000-memory.dmp

      Filesize

      11.9MB

    • memory/2020-140-0x00000000061F0000-0x0000000006DE0000-memory.dmp

      Filesize

      11.9MB

    • memory/2020-151-0x0000000000090000-0x0000000000554000-memory.dmp

      Filesize

      4.8MB

    • memory/2020-157-0x0000000000090000-0x0000000000554000-memory.dmp

      Filesize

      4.8MB

    • memory/2020-156-0x0000000000090000-0x0000000000554000-memory.dmp

      Filesize

      4.8MB

    • memory/2020-138-0x00000000061F0000-0x0000000006DE0000-memory.dmp

      Filesize

      11.9MB

    • memory/2020-155-0x0000000000090000-0x0000000000554000-memory.dmp

      Filesize

      4.8MB

    • memory/2020-154-0x0000000000090000-0x0000000000554000-memory.dmp

      Filesize

      4.8MB

    • memory/2020-153-0x0000000000090000-0x0000000000554000-memory.dmp

      Filesize

      4.8MB

    • memory/2020-143-0x0000000000090000-0x0000000000554000-memory.dmp

      Filesize

      4.8MB

    • memory/2020-144-0x0000000000090000-0x0000000000554000-memory.dmp

      Filesize

      4.8MB

    • memory/2020-145-0x00000000061F0000-0x0000000006DE0000-memory.dmp

      Filesize

      11.9MB

    • memory/2020-146-0x0000000000090000-0x0000000000554000-memory.dmp

      Filesize

      4.8MB

    • memory/2020-147-0x00000000061F0000-0x0000000006DE0000-memory.dmp

      Filesize

      11.9MB

    • memory/2020-148-0x0000000000090000-0x0000000000554000-memory.dmp

      Filesize

      4.8MB

    • memory/2020-149-0x0000000000090000-0x0000000000554000-memory.dmp

      Filesize

      4.8MB

    • memory/2020-150-0x0000000000090000-0x0000000000554000-memory.dmp

      Filesize

      4.8MB

    • memory/2020-119-0x0000000000090000-0x0000000000554000-memory.dmp

      Filesize

      4.8MB

    • memory/2020-152-0x0000000000090000-0x0000000000554000-memory.dmp

      Filesize

      4.8MB

    • memory/2260-1-0x000000007EBD0000-0x000000007EFA1000-memory.dmp

      Filesize

      3.8MB

    • memory/2260-0-0x0000000000130000-0x0000000000D20000-memory.dmp

      Filesize

      11.9MB

    • memory/2260-2-0x0000000061E00000-0x0000000061EF3000-memory.dmp

      Filesize

      972KB

    • memory/2260-66-0x000000007EBD0000-0x000000007EFA1000-memory.dmp

      Filesize

      3.8MB

    • memory/2260-65-0x0000000000130000-0x0000000000D20000-memory.dmp

      Filesize

      11.9MB