Overview

overview

10

Static

static

1

ExLoader_I...er.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    ExLoader_Installer.exe

  • Size

    23.3MB

  • Sample

    230325-pcd4ksce99

  • MD5

    d87a43f5c2744f5014401405aad5aa27

  • SHA1

    e13b43d6eb814c7f0ac606754a9eaebe6bd26c43

  • SHA256

    07cf0a5861804708fe24a76681e4e1945379ed8e3f71678c9545490b7e78e4ee

  • SHA512

    be65334aa0f057a469d3f76377b54743e19e63c5df71381b63742cc6f0b075133f1a0e612906386dc6c4fbcc1fce90c84a029a41bb4b30c6b2fe98fcbcec5456

  • SSDEEP

    393216:LmZ9vsN9Vz7SJ5E5clszZw4+f0OuQ+cXXFLRCFM9QT4WR/jADCLWY:iZ9qVz7u5sXAf/F+cXLyM9QHxjADCLr

Score
10/10
asyncratdefaultevasionrat

Malware Config

Extracted

Language
ps1
Source
URLs
exe.dropper

https://pastebin.com/raw/vNcCt60A

Extracted

Family

asyncrat

Version

1.0.7

Botnet

Default

Mutex

Mutex

Attributes
  • delay

    1

  • install

    false

  • install_folder

    %AppData%

  • pastebin_config

    https://pastebin.com/raw/3Z9zi18j

aes.plain

Targets

    • Target

      ExLoader_Installer.exe

    • Size

      23.3MB

    • MD5

      d87a43f5c2744f5014401405aad5aa27

    • SHA1

      e13b43d6eb814c7f0ac606754a9eaebe6bd26c43

    • SHA256

      07cf0a5861804708fe24a76681e4e1945379ed8e3f71678c9545490b7e78e4ee

    • SHA512

      be65334aa0f057a469d3f76377b54743e19e63c5df71381b63742cc6f0b075133f1a0e612906386dc6c4fbcc1fce90c84a029a41bb4b30c6b2fe98fcbcec5456

    • SSDEEP

      393216:LmZ9vsN9Vz7SJ5E5clszZw4+f0OuQ+cXXFLRCFM9QT4WR/jADCLWY:iZ9qVz7u5sXAf/F+cXLyM9QHxjADCLr

    Score
    10/10
    asyncratdefaultevasionrat

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers written in C#.

      ratasyncrat

    • Async RAT payload

      rat

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

      evasion

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Legitimate hosting services abused for malware hosting/C2

    behavioral1

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Hidden Files and Directories

2
T1158

Privilege Escalation

Defense Evasion

Hidden Files and Directories

2
T1158

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service

1
T1102

Impact

Tasks