General

  • Target

    a80efac7f10bf5feac244d2bc5c24988f5cb5e9cbd1d6920c0d58bb4d2dd0da9

  • Size

    1.8MB

  • Sample

    240513-n6gk5adf3v

  • MD5

    9771d97b3e5d419c0f1542a995e00025

  • SHA1

    1a192dde0e1006efebdd91a6c833e16b014f1896

  • SHA256

    a80efac7f10bf5feac244d2bc5c24988f5cb5e9cbd1d6920c0d58bb4d2dd0da9

  • SHA512

    d4c1b84900b882de9c5e32f0a9d3417ed36d0d5c195b1fb40b836c5484b74c50dba4dd6ed88da151793b15088bda605b5a6515fdf5411c0b33b8252bbe10859e

  • SSDEEP

    49152:VKDt5ITH8MI5LPgX6uP0NZPnHwBQNz+g:qMHu5L4quP0NyBQh

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

http://193.222.96.193:81/besho/besho.mp4

Extracted

Family

amadey

Version

4.20

C2

http://5.42.96.7

Attributes
  • install_dir

    7af68cdb52

  • install_file

    axplons.exe

  • strings_key

    e2ce58e78f631ed97d01fe7b70e85d5e

  • url_paths

    /zamo7h/index.php

rc4.plain

Extracted

Family

xworm

C2

127.0.0.1:7000

beshomandotestbesnd.run.place:7000

Attributes
  • Install_directory

    %ProgramData%

  • install_file

    taskmgr.exe

  • telegram

    https://api.telegram.org/bot2128988424:AAEkYnwvOQA95riqRZwlqBxg4GV-odRNOyo/sendMessage?chat_id=966649672

Targets

    • Target

      a80efac7f10bf5feac244d2bc5c24988f5cb5e9cbd1d6920c0d58bb4d2dd0da9

    • Size

      1.8MB

    • MD5

      9771d97b3e5d419c0f1542a995e00025

    • SHA1

      1a192dde0e1006efebdd91a6c833e16b014f1896

    • SHA256

      a80efac7f10bf5feac244d2bc5c24988f5cb5e9cbd1d6920c0d58bb4d2dd0da9

    • SHA512

      d4c1b84900b882de9c5e32f0a9d3417ed36d0d5c195b1fb40b836c5484b74c50dba4dd6ed88da151793b15088bda605b5a6515fdf5411c0b33b8252bbe10859e

    • SSDEEP

      49152:VKDt5ITH8MI5LPgX6uP0NZPnHwBQNz+g:qMHu5L4quP0NyBQh

    • Amadey

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

    • Contains code to disable Windows Defender

      A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

    • Detect Xworm Payload

    • StormKitty

      StormKitty is an open source info stealer written in C#.

    • StormKitty payload

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Downloads MZ/PE file

    • Checks BIOS information in registry

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

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Identifies Wine through registry keys

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

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Adds Run key to start application

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Matrix ATT&CK v13

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Scheduled Task/Job

1
T1053

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Defense Evasion

Virtualization/Sandbox Evasion

2
T1497

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

5
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

3
T1082

Collection

Data from Local System

1
T1005

Tasks