General

  • Target

    84d35d58bc6e48d4a105a39737e0e19a9cc0f628f80b2c8fc2d8c4161e8182ba

  • Size

    1.8MB

  • Sample

    240606-ma22hscg9w

  • MD5

    eae382a2117d11780a3a6afef25ae116

  • SHA1

    0b26db66b8ed50aaf3649ddcf0cb30d12b42a831

  • SHA256

    84d35d58bc6e48d4a105a39737e0e19a9cc0f628f80b2c8fc2d8c4161e8182ba

  • SHA512

    e4145cdc69c7dbf8dc9f375f07100ce1a9d8e7797fd0d60b71ae144f9b27852fbe2d4a87ca5ebff2ab7223731bbb9848dc224d797a6327386c71c5b8f1b554af

  • SSDEEP

    24576:UF97iR5o14TYYayiicqK4qBeLLtrgEi8HPwqJgR6ijwzJLQ7QPr7tB4o7Mibjwml:a90jGtFVBeNtvgoLKIt++OMz

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

https://d22hce23hy1ej9.cloudfront.net/load/th.php?a=2836&c=1002

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

https://d22hce23hy1ej9.cloudfront.net/load/dl.php?id=458&c=1002

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

https://d22hce23hy1ej9.cloudfront.net/load/dl.php?id=444&c=1002

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

Extracted

Family

risepro

C2

147.45.47.126:58709

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

Extracted

Family

xworm

Version

3.1

C2

185.91.127.220:7000

Mutex

J7nl5MwCxTq9hrOG

Attributes
  • install_file

    USB.exe

aes.plain

Targets

    • Target

      84d35d58bc6e48d4a105a39737e0e19a9cc0f628f80b2c8fc2d8c4161e8182ba

    • Size

      1.8MB

    • MD5

      eae382a2117d11780a3a6afef25ae116

    • SHA1

      0b26db66b8ed50aaf3649ddcf0cb30d12b42a831

    • SHA256

      84d35d58bc6e48d4a105a39737e0e19a9cc0f628f80b2c8fc2d8c4161e8182ba

    • SHA512

      e4145cdc69c7dbf8dc9f375f07100ce1a9d8e7797fd0d60b71ae144f9b27852fbe2d4a87ca5ebff2ab7223731bbb9848dc224d797a6327386c71c5b8f1b554af

    • SSDEEP

      24576:UF97iR5o14TYYayiicqK4qBeLLtrgEi8HPwqJgR6ijwzJLQ7QPr7tB4o7Mibjwml:a90jGtFVBeNtvgoLKIt++OMz

    • Amadey

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

    • Detect Xworm Payload

    • Modifies firewall policy service

    • PrivateLoader

      PrivateLoader is a downloader sold as a pay-per-install malware distribution service.

    • RedLine

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

    • RedLine payload

    • RisePro

      RisePro stealer is an infostealer distributed by PrivateLoader.

    • Xworm

      Xworm is a remote access trojan written in C#.

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

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Downloads MZ/PE file

    • .NET Reactor proctector

      Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

    • 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.

    • VMProtect packed file

      Detects executables packed with VMProtect commercial packer.

    • Adds Run key to start application

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

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

    • Writes to the Master Boot Record (MBR)

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

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks