Analysis

  • max time kernel
    141s
  • max time network
    142s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    22/12/2024, 09:14

General

  • Target

    939310706200640f603a1fb3e6528c3a4bafa87e0d610e817a7824cf2e089bc7_Sigmanly.exe

  • Size

    2.8MB

  • MD5

    76c2f75bf3efb5964c432f7661d22d58

  • SHA1

    521badd0c5d9f85986a7845b3163b82b87c0589d

  • SHA256

    939310706200640f603a1fb3e6528c3a4bafa87e0d610e817a7824cf2e089bc7

  • SHA512

    e9462f252fdb9f4591b0b96a97cee084e88299c066b7d1d0e862bc9b78fed2e1159d91fc74fa906f0b942f36560fffda2dc49dd059e48dc309489c9047955e51

  • SSDEEP

    49152:GcUejriX8cBywn04rFnpO3vNcDmq//ICH44JTD8K6QlO:GcUejrk8cANeDO3lamggM441De

Malware Config

Extracted

Family

amadey

Version

4.42

Botnet

9c9aa5

C2

http://185.215.113.43

Attributes
  • install_dir

    abc3bc1985

  • install_file

    skotes.exe

  • strings_key

    8a35cf2ea38c2817dba29a4b5b25dcf0

  • url_paths

    /Zu7JuNko/index.php

rc4.plain

Signatures

  • Amadey

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

  • Amadey family
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs
  • Checks BIOS information in registry 2 TTPs 4 IoCs

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

  • Executes dropped EXE 1 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 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 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 2 IoCs

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

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\939310706200640f603a1fb3e6528c3a4bafa87e0d610e817a7824cf2e089bc7_Sigmanly.exe
    "C:\Users\Admin\AppData\Local\Temp\939310706200640f603a1fb3e6528c3a4bafa87e0d610e817a7824cf2e089bc7_Sigmanly.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:2988
    • C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe
      "C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe"
      2⤵
      • 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:592

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe

    Filesize

    2.8MB

    MD5

    76c2f75bf3efb5964c432f7661d22d58

    SHA1

    521badd0c5d9f85986a7845b3163b82b87c0589d

    SHA256

    939310706200640f603a1fb3e6528c3a4bafa87e0d610e817a7824cf2e089bc7

    SHA512

    e9462f252fdb9f4591b0b96a97cee084e88299c066b7d1d0e862bc9b78fed2e1159d91fc74fa906f0b942f36560fffda2dc49dd059e48dc309489c9047955e51

  • memory/592-31-0x0000000000960000-0x0000000000C73000-memory.dmp

    Filesize

    3.1MB

  • memory/592-34-0x0000000000960000-0x0000000000C73000-memory.dmp

    Filesize

    3.1MB

  • memory/592-38-0x0000000000960000-0x0000000000C73000-memory.dmp

    Filesize

    3.1MB

  • memory/592-37-0x0000000000960000-0x0000000000C73000-memory.dmp

    Filesize

    3.1MB

  • memory/592-25-0x0000000000960000-0x0000000000C73000-memory.dmp

    Filesize

    3.1MB

  • memory/592-36-0x0000000000960000-0x0000000000C73000-memory.dmp

    Filesize

    3.1MB

  • memory/592-35-0x0000000000960000-0x0000000000C73000-memory.dmp

    Filesize

    3.1MB

  • memory/592-17-0x0000000000960000-0x0000000000C73000-memory.dmp

    Filesize

    3.1MB

  • memory/592-18-0x0000000000961000-0x000000000098F000-memory.dmp

    Filesize

    184KB

  • memory/592-19-0x0000000000960000-0x0000000000C73000-memory.dmp

    Filesize

    3.1MB

  • memory/592-21-0x0000000000960000-0x0000000000C73000-memory.dmp

    Filesize

    3.1MB

  • memory/592-22-0x0000000000960000-0x0000000000C73000-memory.dmp

    Filesize

    3.1MB

  • memory/592-24-0x0000000000960000-0x0000000000C73000-memory.dmp

    Filesize

    3.1MB

  • memory/592-23-0x0000000000960000-0x0000000000C73000-memory.dmp

    Filesize

    3.1MB

  • memory/592-33-0x0000000000960000-0x0000000000C73000-memory.dmp

    Filesize

    3.1MB

  • memory/592-26-0x0000000000960000-0x0000000000C73000-memory.dmp

    Filesize

    3.1MB

  • memory/592-27-0x0000000000960000-0x0000000000C73000-memory.dmp

    Filesize

    3.1MB

  • memory/592-28-0x0000000000960000-0x0000000000C73000-memory.dmp

    Filesize

    3.1MB

  • memory/592-29-0x0000000000960000-0x0000000000C73000-memory.dmp

    Filesize

    3.1MB

  • memory/592-30-0x0000000000960000-0x0000000000C73000-memory.dmp

    Filesize

    3.1MB

  • memory/592-32-0x0000000000960000-0x0000000000C73000-memory.dmp

    Filesize

    3.1MB

  • memory/2988-0-0x0000000000FC0000-0x00000000012D3000-memory.dmp

    Filesize

    3.1MB

  • memory/2988-1-0x0000000077B50000-0x0000000077B52000-memory.dmp

    Filesize

    8KB

  • memory/2988-2-0x0000000000FC1000-0x0000000000FEF000-memory.dmp

    Filesize

    184KB

  • memory/2988-14-0x0000000000FC0000-0x00000000012D3000-memory.dmp

    Filesize

    3.1MB

  • memory/2988-15-0x0000000006B40000-0x0000000006E53000-memory.dmp

    Filesize

    3.1MB

  • memory/2988-5-0x0000000000FC0000-0x00000000012D3000-memory.dmp

    Filesize

    3.1MB

  • memory/2988-3-0x0000000000FC0000-0x00000000012D3000-memory.dmp

    Filesize

    3.1MB