Analysis

  • max time kernel
    145s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    04-07-2024 00:43

General

  • Target

    file.exe

  • Size

    2.4MB

  • MD5

    1323616c7b4228edd3735c144d4632c2

  • SHA1

    34c45567ebdfcfeeb9d950aa527bf3bac2709a41

  • SHA256

    96a32d13cd84073e06f1b0c27c7daf3192bbce58278fbf5c1270bcae4c0eba37

  • SHA512

    d023ba0ec57b3a80fdba972c259b60f4f3779a0d9692317e3e009507b8adf9bb66b63aa09214677dd8294750d7e8d6250722b5687fcca1e9eb7da16718c6a079

  • SSDEEP

    49152:5mWiArZVhBRQt4VQxDJ3Mj6WvvDlpEqWlwYRGAxSFkjYo6YJt7QC:cWhByCyhJ3Mj6WHpHswCRCs

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 8 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:2052
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\HIDAKFIJJK.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2948
      • C:\Users\Admin\AppData\Local\Temp\HIDAKFIJJK.exe
        "C:\Users\Admin\AppData\Local\Temp\HIDAKFIJJK.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:2712
        • 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:1320
          • C:\Users\Admin\AppData\Local\Temp\1000006001\a5167bf621.exe
            "C:\Users\Admin\AppData\Local\Temp\1000006001\a5167bf621.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of NtSetInformationThreadHideFromDebugger
            • Suspicious use of SetWindowsHookEx
            PID:2716
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\AKFCFBAAEH.exe"
      2⤵
        PID:1680

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\1000006001\a5167bf621.exe

      Filesize

      2.4MB

      MD5

      1323616c7b4228edd3735c144d4632c2

      SHA1

      34c45567ebdfcfeeb9d950aa527bf3bac2709a41

      SHA256

      96a32d13cd84073e06f1b0c27c7daf3192bbce58278fbf5c1270bcae4c0eba37

      SHA512

      d023ba0ec57b3a80fdba972c259b60f4f3779a0d9692317e3e009507b8adf9bb66b63aa09214677dd8294750d7e8d6250722b5687fcca1e9eb7da16718c6a079

    • \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

    • \Users\Admin\AppData\Local\Temp\HIDAKFIJJK.exe

      Filesize

      1.9MB

      MD5

      237d618c4c6714dff8d9c4f7cf39a7ae

      SHA1

      288cd51ebb40f3e4f7ae8fd38a8c0ee4fe2fe11a

      SHA256

      30f55b9f45ee962f4184bf944db410a955b116394f5a5a37e5147c5c82fad4d8

      SHA512

      4ad3ba7e2fa72cb5a6edec44c0baf6604ef62c1ea1970a809c340bdfced606df7cd749cdf1f4e944120786c36b7ffee854136379a5452c01ce1cb2a3ad64b5fb

    • memory/1320-151-0x00000000002B0000-0x0000000000782000-memory.dmp

      Filesize

      4.8MB

    • memory/1320-153-0x00000000002B0000-0x0000000000782000-memory.dmp

      Filesize

      4.8MB

    • memory/1320-159-0x00000000002B0000-0x0000000000782000-memory.dmp

      Filesize

      4.8MB

    • memory/1320-158-0x00000000002B0000-0x0000000000782000-memory.dmp

      Filesize

      4.8MB

    • memory/1320-157-0x00000000002B0000-0x0000000000782000-memory.dmp

      Filesize

      4.8MB

    • memory/1320-156-0x00000000002B0000-0x0000000000782000-memory.dmp

      Filesize

      4.8MB

    • memory/1320-155-0x00000000002B0000-0x0000000000782000-memory.dmp

      Filesize

      4.8MB

    • memory/1320-154-0x00000000002B0000-0x0000000000782000-memory.dmp

      Filesize

      4.8MB

    • memory/1320-152-0x00000000002B0000-0x0000000000782000-memory.dmp

      Filesize

      4.8MB

    • memory/1320-119-0x00000000002B0000-0x0000000000782000-memory.dmp

      Filesize

      4.8MB

    • memory/1320-150-0x00000000002B0000-0x0000000000782000-memory.dmp

      Filesize

      4.8MB

    • memory/1320-141-0x0000000006CF0000-0x00000000078E9000-memory.dmp

      Filesize

      12.0MB

    • memory/1320-143-0x0000000006CF0000-0x00000000078E9000-memory.dmp

      Filesize

      12.0MB

    • memory/1320-149-0x0000000006CF0000-0x00000000078E9000-memory.dmp

      Filesize

      12.0MB

    • memory/1320-148-0x00000000002B0000-0x0000000000782000-memory.dmp

      Filesize

      4.8MB

    • memory/1320-146-0x00000000002B0000-0x0000000000782000-memory.dmp

      Filesize

      4.8MB

    • memory/1320-147-0x00000000002B0000-0x0000000000782000-memory.dmp

      Filesize

      4.8MB

    • memory/2052-1-0x0000000000C80000-0x0000000001879000-memory.dmp

      Filesize

      12.0MB

    • memory/2052-0-0x0000000000C80000-0x0000000001879000-memory.dmp

      Filesize

      12.0MB

    • memory/2052-3-0x0000000061E00000-0x0000000061EF3000-memory.dmp

      Filesize

      972KB

    • memory/2052-2-0x0000000000C80000-0x0000000001879000-memory.dmp

      Filesize

      12.0MB

    • memory/2052-67-0x0000000000C80000-0x0000000001879000-memory.dmp

      Filesize

      12.0MB

    • memory/2052-64-0x0000000000C80000-0x0000000001879000-memory.dmp

      Filesize

      12.0MB

    • memory/2052-55-0x0000000000C80000-0x0000000001879000-memory.dmp

      Filesize

      12.0MB

    • memory/2712-118-0x0000000000800000-0x0000000000CD2000-memory.dmp

      Filesize

      4.8MB

    • memory/2712-103-0x0000000000800000-0x0000000000CD2000-memory.dmp

      Filesize

      4.8MB

    • memory/2716-145-0x0000000000C50000-0x0000000001849000-memory.dmp

      Filesize

      12.0MB

    • memory/2716-142-0x0000000000C50000-0x0000000001849000-memory.dmp

      Filesize

      12.0MB

    • memory/2948-96-0x0000000002140000-0x0000000002612000-memory.dmp

      Filesize

      4.8MB