Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/07/2024, 01:07

General

  • Target
    LisectAVT_2403002B_222.exe
  • Size 1.8MB
  • Sample240725-bgp5raycpr
  • SHA256 57ebc7f3cb3ae62e5789d6b11cdcf3eee397c16f86cc6fee18e938edde4dd1f4
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • amadey

Version
  • 4.17

Botnet
  • b68ccf

C2
  • http://185.215.113.32

Attributes
  • install_dir

    00c07260dc

  • install_file

    explorgu.exe

  • strings_key

    461809bd97c251ba0c0c8450c7055f1d

  • url_paths

    /yandex/index.php

rc4.plain

Signatures

  • Amadey

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

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs
  • ASPack v2.12-2.42 1 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Checks BIOS information in registry 2 TTPs 4 IoCs

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

  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Drops file in Program Files directory 64 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 6 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 WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\LisectAVT_2403002B_222.exe
    "C:\Users\Admin\AppData\Local\Temp\LisectAVT_2403002B_222.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Identifies Wine through registry keys
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1148
    • C:\Users\Admin\AppData\Local\Temp\HRlxMB.exe
      C:\Users\Admin\AppData\Local\Temp\HRlxMB.exe
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1464
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\07332ce6.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3972
  • C:\Users\Admin\AppData\Local\Temp\00c07260dc\explorgu.exe
    C:\Users\Admin\AppData\Local\Temp\00c07260dc\explorgu.exe
    1⤵
    • 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
    • Suspicious use of WriteProcessMemory
    PID:3040
    • C:\Users\Admin\AppData\Local\Temp\HRlxMB.exe
      C:\Users\Admin\AppData\Local\Temp\HRlxMB.exe
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2484
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\4b9f6227.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3520

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        k2[1].rar

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\5G8JI3LV\k2[1].rar
        • Size 4B
        • SHA256 b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c
        • MD5 SHA1 SHA512

        explorgu.exe

        • Path C:\Users\Admin\AppData\Local\Temp\00c07260dc\explorgu.exe
        • Size 1.8MB
        • SHA256 57ebc7f3cb3ae62e5789d6b11cdcf3eee397c16f86cc6fee18e938edde4dd1f4
        • MD5 SHA1 SHA512 SSDEEP

        07332ce6.bat

        • Path C:\Users\Admin\AppData\Local\Temp\07332ce6.bat
        • Size 187B
        • SHA256 f1708ffada9b3de6c2d8ddb59edacf15f972647ffe58cbc59c66952fa7b11b5a
        • MD5 SHA1 SHA512

        267F1BC5.exe

        • Path C:\Users\Admin\AppData\Local\Temp\267F1BC5.exe
        • Size 4B
        • SHA256 9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31
        • MD5 SHA1 SHA512

        4b9f6227.bat

        • Path C:\Users\Admin\AppData\Local\Temp\4b9f6227.bat
        • Size 187B
        • SHA256 f9f43597ca6007913c00dc760519f70909535ede7f1eeca27173615af4702917
        • MD5 SHA1 SHA512

        HRlxMB.exe

        • Path C:\Users\Admin\AppData\Local\Temp\HRlxMB.exe
        • Size 15KB
        • SHA256 4485df22c627fa0bb899d79aa6ff29bc5be1dbc3caa2b7a490809338d54b7794
        • MD5 SHA1 SHA512 SSDEEP

        memory/1148-8-0x00000000006F1000-0x000000000071F000-memory.dmp

        memory/1148-9-0x00000000006F0000-0x0000000000BA9000-memory.dmp

        memory/1148-1-0x00000000006F0000-0x0000000000BA9000-memory.dmp

        memory/1148-7-0x0000000077A94000-0x0000000077A96000-memory.dmp

        memory/1148-25-0x00000000006F0000-0x0000000000BA9000-memory.dmp

        memory/1148-43-0x00000000006F0000-0x0000000000BA9000-memory.dmp

        memory/1464-55-0x0000000000220000-0x0000000000229000-memory.dmp

        memory/1464-4-0x0000000000220000-0x0000000000229000-memory.dmp

        memory/2484-63-0x0000000000B50000-0x0000000000B59000-memory.dmp

        memory/2484-68-0x0000000000B50000-0x0000000000B59000-memory.dmp

        memory/3040-61-0x0000000000190000-0x0000000000649000-memory.dmp

        memory/3040-71-0x0000000000190000-0x0000000000649000-memory.dmp

        memory/3040-72-0x0000000000190000-0x0000000000649000-memory.dmp

        memory/3040-73-0x0000000000190000-0x0000000000649000-memory.dmp

        memory/3040-74-0x0000000000190000-0x0000000000649000-memory.dmp

        memory/3040-75-0x0000000000190000-0x0000000000649000-memory.dmp

        memory/3040-76-0x0000000000190000-0x0000000000649000-memory.dmp

        memory/3040-77-0x0000000000190000-0x0000000000649000-memory.dmp

        memory/3040-78-0x0000000000190000-0x0000000000649000-memory.dmp

        memory/3040-79-0x0000000000190000-0x0000000000649000-memory.dmp

        memory/3040-80-0x0000000000190000-0x0000000000649000-memory.dmp