General

  • Target

    1d3535cc01b2cc54b808a55e945707a0.exe

  • Size

    596KB

  • Sample

    240516-xzxhfacb23

  • MD5

    1d3535cc01b2cc54b808a55e945707a0

  • SHA1

    a9a563b8ee37f17c847248bb207b28086d9f4628

  • SHA256

    f5faa2b827aaae846580fe313cfc3562fcf04dbf26320c7190247621c7e10f19

  • SHA512

    4c344a2abc7ace17a3fced1e3fcf09ac959b47d8bc1a5bf4280d46c3dccd015254a42ce722f93bbbe28f9866696db685df6209b4e863fa9e02772753eeb2ebbc

  • SSDEEP

    12288:15/Sm4/r42toIX4IaZo2BOtdMKX8MbICwAvV6LwfAnxMlpxxWmBNIg9SWvAK:70/rX8IJ2BwNQcfAnxgDzBx

Malware Config

Extracted

Family

xworm

C2

127.0.0.1:7000

beshomandotestbesnd.run.place:7000

Attributes
  • Install_directory

    %ProgramData%

  • install_file

    taskmgr.exe

  • telegram

    https://api.telegram.org/bot2128988424:AAEkYnwvOQA95riqRZwlqBxg4GV-odRNOyo/sendMessage?chat_id=966649672

Extracted

Family

redline

Botnet

Vic

C2

beshomandotestbesnd.run.place:1111

Targets

    • Target

      1d3535cc01b2cc54b808a55e945707a0.exe

    • Size

      596KB

    • MD5

      1d3535cc01b2cc54b808a55e945707a0

    • SHA1

      a9a563b8ee37f17c847248bb207b28086d9f4628

    • SHA256

      f5faa2b827aaae846580fe313cfc3562fcf04dbf26320c7190247621c7e10f19

    • SHA512

      4c344a2abc7ace17a3fced1e3fcf09ac959b47d8bc1a5bf4280d46c3dccd015254a42ce722f93bbbe28f9866696db685df6209b4e863fa9e02772753eeb2ebbc

    • SSDEEP

      12288:15/Sm4/r42toIX4IaZo2BOtdMKX8MbICwAvV6LwfAnxMlpxxWmBNIg9SWvAK:70/rX8IJ2BwNQcfAnxgDzBx

    • Detect Xworm Payload

    • RedLine

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

    • RedLine payload

    • SectopRAT

      SectopRAT is a remote access trojan first seen in November 2019.

    • SectopRAT payload

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Command and Scripting Interpreter: PowerShell

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

    • .NET Reactor proctector

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

    • Checks computer location settings

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

    • Drops startup file

    • 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.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks installed software on the system

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

    • 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 Matrix ATT&CK v13

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Scheduled Task/Job

1
T1053

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Defense Evasion

Modify Registry

2
T1112

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Credential Access

Unsecured Credentials

2
T1552

Credentials In Files

2
T1552.001

Discovery

Query Registry

3
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

2
T1005

Tasks