Overview

overview

10

Static

static

1

URLScan

urlscan

1

https://bumida-cloud...

windows10-2004-x64

10

Sharing

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General

  • Target

    https://bumida-cloud.andalsoftware.com/surprise.html?id=341631501290569730

  • Sample

    240518-qtcgradh29

Score
10/10
asyncrat1877executionratspywarestealerupx

Malware Config

Extracted

Family

asyncrat

Version

Xoshnaw

Botnet

1877

C2

127.0.0.1:6606

127.0.0.1:7707

127.0.0.1:8808

127.0.0.1:1877

nerakar.duckdns.org:6606

nerakar.duckdns.org:7707

nerakar.duckdns.org:8808

nerakar.duckdns.org:1877
Mutex

3YeYWvX7BQIk

Attributes
  • delay

    3

  • install

    true

  • install_file

    chroma.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      https://bumida-cloud.andalsoftware.com/surprise.html?id=341631501290569730

    Score
    10/10
    asyncrat1877executionratspywarestealerupx

    • AsyncRat

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

      ratasyncrat

    • Async RAT payload

      rat

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

      execution

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

      spywarestealer

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx

    • Accesses cryptocurrency files/wallets, possible credential harvesting

      spyware

    • Blocklisted process makes network request

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Looks up external IP address via web service

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

    behavioral1

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Scheduled Task/Job

1
T1053

Persistence

Scheduled Task/Job

1
T1053

Privilege Escalation

Scheduled Task/Job

1
T1053

Defense Evasion

Credential Access

Unsecured Credentials

2
T1552

Credentials In Files

2
T1552.001

Discovery

Query Registry

4
T1012

System Information Discovery

7
T1082

Peripheral Device Discovery

2
T1120

Process Discovery

1
T1057

Lateral Movement

Collection

Data from Local System

2
T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks