Analysis

  • max time kernel
    149s
  • max time network
    141s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    01-09-2024 13:40

General

  • Target

    file.exe

  • Size

    1.8MB

  • MD5

    87c548fab3b4bf1b9fdaa21e4cc18f27

  • SHA1

    cfa7c8c564668ef2827efd4d890f1ff19a8f0c78

  • SHA256

    d7e8125c7026f1a9e05ecd076203aef923870b2a222945cdf13b9a9165928748

  • SHA512

    764b3e7db14e07bcdad352e0d141f315f9370828475a5809f8e1df8e887c5168c2bdfea7988a50fcdab1916f8fb11814f65f8088f68c721d14589f6d0afde8a9

  • SSDEEP

    49152:MFLjIClgvypImQ2hJaSsS/zL6MBgZgNFgB:MFLac4QVs6bBgGFg

Malware Config

Extracted

Family

amadey

Version

4.41

Botnet

0657d1

C2

http://185.215.113.19

Attributes
  • install_dir

    0d8f5eb8a7

  • install_file

    explorti.exe

  • strings_key

    6c55a5f34bb433fbd933a168577b1838

  • url_paths

    /Vi9leo/index.php

rc4.plain

Extracted

Family

stealc

Botnet

leva

C2

http://185.215.113.100

Attributes
  • url_path

    /e2b1563c6670f193.php

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 4 IoCs
  • Downloads MZ/PE file
  • Checks BIOS information in registry 2 TTPs 8 IoCs

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

  • Executes dropped EXE 4 IoCs
  • Identifies Wine through registry keys 2 TTPs 4 IoCs

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

  • Loads dropped DLL 6 IoCs
  • AutoIT Executable 1 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Identifies Wine through registry keys
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:1484
    • C:\Users\Admin\AppData\Local\Temp\0d8f5eb8a7\explorti.exe
      "C:\Users\Admin\AppData\Local\Temp\0d8f5eb8a7\explorti.exe"
      2⤵
      • 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
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2768
      • C:\Users\Admin\AppData\Roaming\1000051000\a260c77832.exe
        "C:\Users\Admin\AppData\Roaming\1000051000\a260c77832.exe"
        3⤵
        • Identifies VirtualBox via ACPI registry values (likely anti-VM)
        • Checks BIOS information in registry
        • Executes dropped EXE
        • Identifies Wine through registry keys
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        PID:700
      • C:\Users\Admin\AppData\Roaming\1000052000\2183fa58f0.exe
        "C:\Users\Admin\AppData\Roaming\1000052000\2183fa58f0.exe"
        3⤵
        • Identifies VirtualBox via ACPI registry values (likely anti-VM)
        • Checks BIOS information in registry
        • Executes dropped EXE
        • Identifies Wine through registry keys
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        PID:2012
      • C:\Users\Admin\AppData\Local\Temp\1000053001\2183fa58f0.exe
        "C:\Users\Admin\AppData\Local\Temp\1000053001\2183fa58f0.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:1132

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\0d8f5eb8a7\explorti.exe

    Filesize

    1.8MB

    MD5

    87c548fab3b4bf1b9fdaa21e4cc18f27

    SHA1

    cfa7c8c564668ef2827efd4d890f1ff19a8f0c78

    SHA256

    d7e8125c7026f1a9e05ecd076203aef923870b2a222945cdf13b9a9165928748

    SHA512

    764b3e7db14e07bcdad352e0d141f315f9370828475a5809f8e1df8e887c5168c2bdfea7988a50fcdab1916f8fb11814f65f8088f68c721d14589f6d0afde8a9

  • C:\Users\Admin\AppData\Local\Temp\1000053001\2183fa58f0.exe

    Filesize

    896KB

    MD5

    815d0325b08029dc535dc4c7c9daeaf7

    SHA1

    5f0d5f6624954c274bbce5edd211b28696897400

    SHA256

    80c206cdeb203530a85f6700016155be6e1380d913c589bad66ca7a7ff209b4f

    SHA512

    cb754b8f9d907be570ed3a5d218184970872c015b88e8ba78ae5425198fcf8ea6e8d01a4ecfbd8b3dbc1ac3eccfcc692297579cb5c9b67a560059038f62c8d0f

  • C:\Users\Admin\AppData\Roaming\1000051000\a260c77832.exe

    Filesize

    1.7MB

    MD5

    c318d3326ce1921ff20be775cbc99782

    SHA1

    94bb85d34e0fccf26fd58cfadfabe90606ec00f4

    SHA256

    3ab3541c8960a2f4ccc60e0e8efc339d0f99d9cb96b0ea46a5e0440b020347d9

    SHA512

    35556fabf9cd5c229fb2975a9075dd25b1ff913d152689a5e955b6214691779b6e8f58d53750bd9abb1ffddedc5b238a6284628c1b3a2286f59ef727aade7919

  • memory/700-63-0x0000000000BC0000-0x0000000001236000-memory.dmp

    Filesize

    6.5MB

  • memory/700-40-0x0000000000BC0000-0x0000000001236000-memory.dmp

    Filesize

    6.5MB

  • memory/1484-3-0x00000000010F0000-0x00000000015BF000-memory.dmp

    Filesize

    4.8MB

  • memory/1484-4-0x00000000010F0000-0x00000000015BF000-memory.dmp

    Filesize

    4.8MB

  • memory/1484-15-0x0000000006EA0000-0x000000000736F000-memory.dmp

    Filesize

    4.8MB

  • memory/1484-14-0x00000000010F0000-0x00000000015BF000-memory.dmp

    Filesize

    4.8MB

  • memory/1484-0-0x00000000010F0000-0x00000000015BF000-memory.dmp

    Filesize

    4.8MB

  • memory/1484-2-0x00000000010F1000-0x000000000111F000-memory.dmp

    Filesize

    184KB

  • memory/1484-1-0x0000000077380000-0x0000000077382000-memory.dmp

    Filesize

    8KB

  • memory/2012-65-0x00000000011A0000-0x0000000001816000-memory.dmp

    Filesize

    6.5MB

  • memory/2012-59-0x00000000011A0000-0x0000000001816000-memory.dmp

    Filesize

    6.5MB

  • memory/2768-19-0x0000000000020000-0x00000000004EF000-memory.dmp

    Filesize

    4.8MB

  • memory/2768-83-0x0000000000020000-0x00000000004EF000-memory.dmp

    Filesize

    4.8MB

  • memory/2768-61-0x0000000000020000-0x00000000004EF000-memory.dmp

    Filesize

    4.8MB

  • memory/2768-58-0x0000000006AC0000-0x0000000007136000-memory.dmp

    Filesize

    6.5MB

  • memory/2768-57-0x0000000000020000-0x00000000004EF000-memory.dmp

    Filesize

    4.8MB

  • memory/2768-60-0x0000000006AC0000-0x0000000007136000-memory.dmp

    Filesize

    6.5MB

  • memory/2768-38-0x0000000006AC0000-0x0000000007136000-memory.dmp

    Filesize

    6.5MB

  • memory/2768-21-0x0000000000020000-0x00000000004EF000-memory.dmp

    Filesize

    4.8MB

  • memory/2768-18-0x0000000000021000-0x000000000004F000-memory.dmp

    Filesize

    184KB

  • memory/2768-17-0x0000000000020000-0x00000000004EF000-memory.dmp

    Filesize

    4.8MB

  • memory/2768-80-0x0000000000020000-0x00000000004EF000-memory.dmp

    Filesize

    4.8MB

  • memory/2768-81-0x0000000000020000-0x00000000004EF000-memory.dmp

    Filesize

    4.8MB

  • memory/2768-82-0x0000000006AC0000-0x0000000007136000-memory.dmp

    Filesize

    6.5MB

  • memory/2768-39-0x0000000006AC0000-0x0000000007136000-memory.dmp

    Filesize

    6.5MB

  • memory/2768-84-0x0000000000020000-0x00000000004EF000-memory.dmp

    Filesize

    4.8MB

  • memory/2768-85-0x0000000000020000-0x00000000004EF000-memory.dmp

    Filesize

    4.8MB

  • memory/2768-86-0x0000000000020000-0x00000000004EF000-memory.dmp

    Filesize

    4.8MB

  • memory/2768-87-0x0000000000020000-0x00000000004EF000-memory.dmp

    Filesize

    4.8MB

  • memory/2768-88-0x0000000000020000-0x00000000004EF000-memory.dmp

    Filesize

    4.8MB

  • memory/2768-89-0x0000000000020000-0x00000000004EF000-memory.dmp

    Filesize

    4.8MB

  • memory/2768-90-0x0000000000020000-0x00000000004EF000-memory.dmp

    Filesize

    4.8MB

  • memory/2768-91-0x0000000000020000-0x00000000004EF000-memory.dmp

    Filesize

    4.8MB

  • memory/2768-92-0x0000000000020000-0x00000000004EF000-memory.dmp

    Filesize

    4.8MB

  • memory/2768-93-0x0000000000020000-0x00000000004EF000-memory.dmp

    Filesize

    4.8MB

  • memory/2768-94-0x0000000000020000-0x00000000004EF000-memory.dmp

    Filesize

    4.8MB

  • memory/2768-95-0x0000000000020000-0x00000000004EF000-memory.dmp

    Filesize

    4.8MB