General

  • Target

    DDOS TOOL.zip

  • Size

    5.2MB

  • Sample

    240827-sq44psxcpa

  • MD5

    56fd521043b4bd12742106a77a375c1e

  • SHA1

    d92813366072b27e99dabe21c80df6778994eeec

  • SHA256

    1ca55fa09e6c8aa17f5e9703380ea358e812d1452d452f06a3916cc8a87463fa

  • SHA512

    f16a6ef411cd282ef5e28f812f17a8de72400cdcbd66c16bed7b0558ad44c6bb86abbce05bc77e2ea7c8ad7b8527cf6550a35ebd96990707663192ad8be4409c

  • SSDEEP

    98304:dyP2eXailcKWmn3R6ktOtxpOdhNJwP8bv3gnJ2nNK75iPZ:MblcMRijOd/JwUbPXiIZ

Malware Config

Extracted

Family

umbral

C2

https://discord.com/api/webhooks/1260642913709199370/cN_Wnccw0kdFSTwqONW2fMDnifHoEhjQp9n_8tPGu3gI5coO14fm3gGZ1Q04Hstg1nAO

Extracted

Family

xworm

Version

5.0

C2

testarosa.duckdns.org:7110

Mutex

5ZpeoOe6AtQfr6wU

Attributes
  • Install_directory

    %AppData%

  • install_file

    Ondrive.exe

aes.plain

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

147.185.221.20:49236

Mutex

6a8a3b6e5450a823d542e748a454aa4c

Attributes
  • reg_key

    6a8a3b6e5450a823d542e748a454aa4c

  • splitter

    |'|'|

Targets

    • Target

      DDOS TOOL/DDOS TOOL.exe

    • Size

      5.3MB

    • MD5

      4356e6504e19b8a4014dbfacbc89493f

    • SHA1

      a4078eabcc6760e184259d694b7251b89569453a

    • SHA256

      e3a9ffb17c734d02950cdfcd38592549181d9f95220b8aaae69d6091480a8d42

    • SHA512

      83949b7422c6e2efcf6888e5c324ee8d536716f571156bdb4672e989aa68a1be5b7e6f0b5024e7c47af3f16ef0667045fda050f5dbc1272a491febdd249b7fe3

    • SSDEEP

      98304:9fIGp26lE8kKlr8iRqJxf+n/FHkLUfzv3QtRiBNyZWa8QEHE:9lEWrct+ntHkQfzPlpaz

    • Detect Umbral payload

    • Detect Xworm Payload

    • Umbral

      Umbral stealer is an opensource moduler stealer written in C#.

    • Xworm

      Xworm is a remote access trojan written in C#.

    • njRAT/Bladabindi

      Widely used RAT written in .NET.

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • Command and Scripting Interpreter: PowerShell

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

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Drops file in Drivers directory

    • Modifies Windows Firewall

    • 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.

    • 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.

MITRE ATT&CK Enterprise v15

Tasks