Analysis

  • max time kernel
    142s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    30-05-2024 07:38

General

  • Target

    8fd458fee205ff7438f0ee726397e6aa362eb61a0ecbf55329bdbfd25a86a126.exe

  • Size

    1.8MB

  • MD5

    e08b5c71e81d980b66f93d6116480147

  • SHA1

    b13878de6b3cacb041f805ef0a3e2effd29069cb

  • SHA256

    8fd458fee205ff7438f0ee726397e6aa362eb61a0ecbf55329bdbfd25a86a126

  • SHA512

    64e52c96b9acda8e0e1a6b74516a0683733f1b2512b46ee692091bc406bdfe1d96141f23ad5148cf386797fc06abdda78d52d7c68b34b0095cf7987070082ab6

  • SSDEEP

    49152:KIsaP+Ln6dzezCcNhUhXJ1r65UQ2svx3b+:Kni+L627NhUtJs5Xk

Malware Config

Extracted

Family

amadey

Version

4.21

Botnet

0e6740

C2

http://147.45.47.155

Attributes
  • install_dir

    9217037dc9

  • install_file

    explortu.exe

  • strings_key

    8e894a8a4a3d0da8924003a561cfb244

  • url_paths

    /ku4Nor9/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
  • 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).

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\8fd458fee205ff7438f0ee726397e6aa362eb61a0ecbf55329bdbfd25a86a126.exe
    "C:\Users\Admin\AppData\Local\Temp\8fd458fee205ff7438f0ee726397e6aa362eb61a0ecbf55329bdbfd25a86a126.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
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:1988
    • C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.exe
      "C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.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
      • Suspicious behavior: EnumeratesProcesses
      PID:2524

Network

MITRE ATT&CK Matrix ATT&CK v13

Defense Evasion

Virtualization/Sandbox Evasion

2
T1497

Discovery

Query Registry

3
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

2
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.exe
    Filesize

    1.8MB

    MD5

    e08b5c71e81d980b66f93d6116480147

    SHA1

    b13878de6b3cacb041f805ef0a3e2effd29069cb

    SHA256

    8fd458fee205ff7438f0ee726397e6aa362eb61a0ecbf55329bdbfd25a86a126

    SHA512

    64e52c96b9acda8e0e1a6b74516a0683733f1b2512b46ee692091bc406bdfe1d96141f23ad5148cf386797fc06abdda78d52d7c68b34b0095cf7987070082ab6

  • memory/1988-0-0x00000000012D0000-0x0000000001791000-memory.dmp
    Filesize

    4.8MB

  • memory/1988-1-0x00000000775C0000-0x00000000775C2000-memory.dmp
    Filesize

    8KB

  • memory/1988-2-0x00000000012D1000-0x00000000012FF000-memory.dmp
    Filesize

    184KB

  • memory/1988-3-0x00000000012D0000-0x0000000001791000-memory.dmp
    Filesize

    4.8MB

  • memory/1988-5-0x00000000012D0000-0x0000000001791000-memory.dmp
    Filesize

    4.8MB

  • memory/1988-15-0x0000000006850000-0x0000000006D11000-memory.dmp
    Filesize

    4.8MB

  • memory/1988-14-0x00000000012D0000-0x0000000001791000-memory.dmp
    Filesize

    4.8MB

  • memory/2524-24-0x0000000000F90000-0x0000000001451000-memory.dmp
    Filesize

    4.8MB

  • memory/2524-29-0x0000000000F90000-0x0000000001451000-memory.dmp
    Filesize

    4.8MB

  • memory/2524-19-0x0000000000F90000-0x0000000001451000-memory.dmp
    Filesize

    4.8MB

  • memory/2524-21-0x0000000000F90000-0x0000000001451000-memory.dmp
    Filesize

    4.8MB

  • memory/2524-22-0x0000000000F90000-0x0000000001451000-memory.dmp
    Filesize

    4.8MB

  • memory/2524-23-0x0000000000F90000-0x0000000001451000-memory.dmp
    Filesize

    4.8MB

  • memory/2524-17-0x0000000000F90000-0x0000000001451000-memory.dmp
    Filesize

    4.8MB

  • memory/2524-25-0x0000000000F90000-0x0000000001451000-memory.dmp
    Filesize

    4.8MB

  • memory/2524-26-0x0000000000F90000-0x0000000001451000-memory.dmp
    Filesize

    4.8MB

  • memory/2524-27-0x0000000000F90000-0x0000000001451000-memory.dmp
    Filesize

    4.8MB

  • memory/2524-28-0x0000000000F90000-0x0000000001451000-memory.dmp
    Filesize

    4.8MB

  • memory/2524-18-0x0000000000F90000-0x0000000001451000-memory.dmp
    Filesize

    4.8MB

  • memory/2524-30-0x0000000000F90000-0x0000000001451000-memory.dmp
    Filesize

    4.8MB

  • memory/2524-31-0x0000000000F90000-0x0000000001451000-memory.dmp
    Filesize

    4.8MB

  • memory/2524-32-0x0000000000F90000-0x0000000001451000-memory.dmp
    Filesize

    4.8MB

  • memory/2524-33-0x0000000000F90000-0x0000000001451000-memory.dmp
    Filesize

    4.8MB

  • memory/2524-34-0x0000000000F90000-0x0000000001451000-memory.dmp
    Filesize

    4.8MB

  • memory/2524-35-0x0000000000F90000-0x0000000001451000-memory.dmp
    Filesize

    4.8MB

  • memory/2524-36-0x0000000000F90000-0x0000000001451000-memory.dmp
    Filesize

    4.8MB

  • memory/2524-37-0x0000000000F90000-0x0000000001451000-memory.dmp
    Filesize

    4.8MB

  • memory/2524-38-0x0000000000F90000-0x0000000001451000-memory.dmp
    Filesize

    4.8MB