Analysis

  • max time kernel
    146s
  • max time network
    114s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240802-en
  • resource tags

    arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    13/09/2024, 11:00

General

  • Target
    28a5c5f27383f604c6bea9e51b8cf63639af1655bac19d58244b83b5ac64dcc7.exe
  • Size 1.9MB
  • Sample240913-m381jaydrm
  • SHA256 28a5c5f27383f604c6bea9e51b8cf63639af1655bac19d58244b83b5ac64dcc7
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • amadey

Version
  • 4.41

Botnet
  • c7817d

C2
  • http://31.41.244.10

Attributes
  • install_dir

    0e8d0864aa

  • install_file

    svoutse.exe

  • strings_key

    5481b88a6ef75bcf21333988a4e47048

  • url_paths

    /Dem7kTu/index.php

rc4.plain

Extracted

Family
  • stealc

Botnet
  • rave

C2
  • http://185.215.113.103

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 7 IoCs
  • Downloads MZ/PE file
  • Checks BIOS information in registry 2 TTPs 14 IoCs

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

  • Executes dropped EXE 6 IoCs
  • Identifies Wine through registry keys 2 TTPs 7 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 7 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 4 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\28a5c5f27383f604c6bea9e51b8cf63639af1655bac19d58244b83b5ac64dcc7.exe
    "C:\Users\Admin\AppData\Local\Temp\28a5c5f27383f604c6bea9e51b8cf63639af1655bac19d58244b83b5ac64dcc7.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:4640
    • C:\Users\Admin\AppData\Local\Temp\0e8d0864aa\svoutse.exe
      "C:\Users\Admin\AppData\Local\Temp\0e8d0864aa\svoutse.exe"
      2⤵
      • Identifies VirtualBox via ACPI registry values (likely anti-VM)
      • Checks BIOS information in registry
      • Executes dropped EXE
      • Identifies Wine through registry keys
      • Adds Run key to start application
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3556
      • C:\Users\Admin\AppData\Roaming\1000026000\10568728be.exe
        "C:\Users\Admin\AppData\Roaming\1000026000\10568728be.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:868
      • C:\Users\Admin\AppData\Local\Temp\1000030001\dfdc4445de.exe
        "C:\Users\Admin\AppData\Local\Temp\1000030001\dfdc4445de.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:2380
  • C:\Users\Admin\AppData\Local\Temp\0e8d0864aa\svoutse.exe
    C:\Users\Admin\AppData\Local\Temp\0e8d0864aa\svoutse.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
    • Suspicious behavior: EnumeratesProcesses
    PID:2732
  • C:\Users\Admin\AppData\Local\Temp\0e8d0864aa\svoutse.exe
    C:\Users\Admin\AppData\Local\Temp\0e8d0864aa\svoutse.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
    • Suspicious behavior: EnumeratesProcesses
    PID:656
  • C:\Users\Admin\AppData\Local\Temp\0e8d0864aa\svoutse.exe
    C:\Users\Admin\AppData\Local\Temp\0e8d0864aa\svoutse.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
    • Suspicious behavior: EnumeratesProcesses
    PID:464

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        svoutse.exe

        • Path C:\Users\Admin\AppData\Local\Temp\0e8d0864aa\svoutse.exe
        • Size 1.9MB
        • SHA256 28a5c5f27383f604c6bea9e51b8cf63639af1655bac19d58244b83b5ac64dcc7
        • MD5 SHA1 SHA512 SSDEEP

        10568728be.exe

        • Path C:\Users\Admin\AppData\Roaming\1000026000\10568728be.exe
        • Size 1.7MB
        • SHA256 baa62c7e9b3c8b0cf84c6327ee6dd168dc460032c1044969c454bdb12f7998e0
        • MD5 SHA1 SHA512 SSDEEP

        memory/464-86-0x0000000000B70000-0x000000000104B000-memory.dmp

        memory/656-77-0x0000000000B70000-0x000000000104B000-memory.dmp

        memory/868-37-0x0000000000160000-0x00000000007D8000-memory.dmp

        memory/868-58-0x0000000000160000-0x00000000007D8000-memory.dmp

        memory/868-47-0x0000000000160000-0x00000000007D8000-memory.dmp

        memory/868-46-0x0000000000161000-0x0000000000175000-memory.dmp

        memory/2380-60-0x00000000003D0000-0x0000000000A48000-memory.dmp

        memory/2380-56-0x00000000003D0000-0x0000000000A48000-memory.dmp

        memory/2732-68-0x0000000000B70000-0x000000000104B000-memory.dmp

        memory/2732-67-0x0000000000B70000-0x000000000104B000-memory.dmp

        memory/3556-61-0x0000000000B70000-0x000000000104B000-memory.dmp

        memory/3556-78-0x0000000000B70000-0x000000000104B000-memory.dmp

        memory/3556-20-0x0000000000B70000-0x000000000104B000-memory.dmp

        memory/3556-48-0x0000000000B70000-0x000000000104B000-memory.dmp

        memory/3556-19-0x0000000000B71000-0x0000000000B9F000-memory.dmp

        memory/3556-17-0x0000000000B70000-0x000000000104B000-memory.dmp

        memory/3556-59-0x0000000000B70000-0x000000000104B000-memory.dmp

        memory/3556-83-0x0000000000B70000-0x000000000104B000-memory.dmp

        memory/3556-82-0x0000000000B70000-0x000000000104B000-memory.dmp

        memory/3556-62-0x0000000000B70000-0x000000000104B000-memory.dmp

        memory/3556-63-0x0000000000B70000-0x000000000104B000-memory.dmp

        memory/3556-64-0x0000000000B70000-0x000000000104B000-memory.dmp

        memory/3556-65-0x0000000000B70000-0x000000000104B000-memory.dmp

        memory/3556-81-0x0000000000B70000-0x000000000104B000-memory.dmp

        memory/3556-80-0x0000000000B70000-0x000000000104B000-memory.dmp

        memory/3556-69-0x0000000000B70000-0x000000000104B000-memory.dmp

        memory/3556-70-0x0000000000B70000-0x000000000104B000-memory.dmp

        memory/3556-71-0x0000000000B70000-0x000000000104B000-memory.dmp

        memory/3556-72-0x0000000000B70000-0x000000000104B000-memory.dmp

        memory/3556-73-0x0000000000B70000-0x000000000104B000-memory.dmp

        memory/3556-74-0x0000000000B70000-0x000000000104B000-memory.dmp

        memory/3556-79-0x0000000000B70000-0x000000000104B000-memory.dmp

        memory/3556-21-0x0000000000B70000-0x000000000104B000-memory.dmp

        memory/4640-2-0x00000000005C1000-0x00000000005EF000-memory.dmp

        memory/4640-3-0x00000000005C0000-0x0000000000A9B000-memory.dmp

        memory/4640-4-0x00000000005C0000-0x0000000000A9B000-memory.dmp

        memory/4640-0-0x00000000005C0000-0x0000000000A9B000-memory.dmp

        memory/4640-16-0x00000000005C0000-0x0000000000A9B000-memory.dmp

        memory/4640-1-0x00000000779F6000-0x00000000779F8000-memory.dmp