General

  • Target

    713a645c9524d137db3c5547b12708f7.exe

  • Size

    1.8MB

  • Sample

    240604-zybkpacb89

  • MD5

    713a645c9524d137db3c5547b12708f7

  • SHA1

    dc3a407cf08c26511f22f256182d3a240630925c

  • SHA256

    96190d67193af8ce4c121115007a1b757e6b581f31cbf7ba81f4f4828a81ffa8

  • SHA512

    83615c402b5bc7d7ca3e23979742b0aeb3d7c3ad4db197c910a3650668b2ee62a66c4bb7caa254b3319b37f182c1fb5560e3d755a7ad6e67c39d0f681d49f910

  • SSDEEP

    49152:+EH2UPihkNjmmnXY6dpoK1FghSqqNUXpK74BGY1l:Ccjmmo6To+ehQUXA4BN1l

Malware Config

Extracted

Family

amadey

Version

8254624243

Botnet

e76b71

C2

http://77.91.77.81

Attributes
  • install_dir

    8254624243

  • install_file

    axplong.exe

  • strings_key

    90049e51fabf09df0d6748e0b271922e

  • url_paths

    /Kiru9gu/index.php

rc4.plain

Extracted

Family

redline

Botnet

newbild

C2

185.215.113.67:40960

Targets

    • Target

      713a645c9524d137db3c5547b12708f7.exe

    • Size

      1.8MB

    • MD5

      713a645c9524d137db3c5547b12708f7

    • SHA1

      dc3a407cf08c26511f22f256182d3a240630925c

    • SHA256

      96190d67193af8ce4c121115007a1b757e6b581f31cbf7ba81f4f4828a81ffa8

    • SHA512

      83615c402b5bc7d7ca3e23979742b0aeb3d7c3ad4db197c910a3650668b2ee62a66c4bb7caa254b3319b37f182c1fb5560e3d755a7ad6e67c39d0f681d49f910

    • SSDEEP

      49152:+EH2UPihkNjmmnXY6dpoK1FghSqqNUXpK74BGY1l:Ccjmmo6To+ehQUXA4BN1l

    • Amadey

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

    • Modifies Windows Defender Real-time Protection settings

    • Modifies security service

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine payload

    • SystemBC

      SystemBC is a proxy and remote administration tool first seen in 2019.

    • UAC bypass

    • Windows security bypass

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

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Creates new service(s)

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Sets service image path in registry

    • Stops running service(s)

    • 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.

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Checks whether UAC is enabled

    • Drops Chrome extension

    • Legitimate hosting services abused for malware hosting/C2

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks