Analysis

  • max time kernel
    121s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    16/02/2024, 17:02

General

  • Target
    explorgu.exe
  • Size 1.8MB
  • Sample240216-vj4kpsea36
  • SHA256 45395e701819b1ca0bb6042764e166f72a5ae7e362dd5ad07174f519ee5155ac
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10

Malware Config

Extracted

Family
  • amadey

Version
  • 4.17

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 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Identifies Wine through registry keys 2 TTPs 1 IoCs

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

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

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\explorgu.exe
    "C:\Users\Admin\AppData\Local\Temp\explorgu.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
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    PID:2896

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/2896-0-0x00000000013D0000-0x000000000188E000-memory.dmp

        memory/2896-1-0x0000000077E20000-0x0000000077E22000-memory.dmp

        memory/2896-2-0x00000000013D0000-0x000000000188E000-memory.dmp

        memory/2896-4-0x0000000000CA0000-0x0000000000CA1000-memory.dmp

        memory/2896-5-0x0000000000AD0000-0x0000000000AD1000-memory.dmp

        memory/2896-9-0x0000000000AC0000-0x0000000000AC1000-memory.dmp

        memory/2896-11-0x0000000000AE0000-0x0000000000AE1000-memory.dmp

        memory/2896-13-0x0000000000980000-0x0000000000981000-memory.dmp

        memory/2896-12-0x0000000000DD0000-0x0000000000DD1000-memory.dmp

        memory/2896-10-0x0000000000AF0000-0x0000000000AF1000-memory.dmp

        memory/2896-14-0x00000000009A0000-0x00000000009A1000-memory.dmp

        memory/2896-8-0x0000000000990000-0x0000000000991000-memory.dmp

        memory/2896-7-0x00000000008D0000-0x00000000008D1000-memory.dmp

        memory/2896-6-0x0000000000E20000-0x0000000000E21000-memory.dmp

        memory/2896-3-0x0000000000B80000-0x0000000000B81000-memory.dmp

        memory/2896-15-0x0000000000AB0000-0x0000000000AB1000-memory.dmp

        memory/2896-17-0x0000000000F30000-0x0000000000F31000-memory.dmp

        memory/2896-18-0x0000000000920000-0x0000000000921000-memory.dmp

        memory/2896-19-0x00000000010C0000-0x00000000010C1000-memory.dmp

        memory/2896-23-0x00000000013D0000-0x000000000188E000-memory.dmp