General

  • Target

    loader_1.exe

  • Size

    50KB

  • Sample

    230408-tfpfyaea39

  • MD5

    935f44677afd746280af92052805793c

  • SHA1

    f03b5a9eacf210fd38079c152b4399e6e2cfd9a5

  • SHA256

    44ed87bca739bea9b8ac2521678b89a2721c828954ddb1e6ab0ea53dabee2571

  • SHA512

    70df5585a576631f278ef619aa349088ad2d7aef99d9c028ebc24f29dfb7a71f4d0cd028dfb50eee332e870595586d67cb7166d7f1669759f818997daa98f4f5

  • SSDEEP

    768:aKTeORI+AXZHpRrgBNFG6xJ65h0zb6bqaeHqrYAkCOoWyhiaJqXXt:aKhlAXXRrgBW5qzb6bqaeKrYAFOoXCN

Malware Config

Extracted

Family

xworm

C2

system-headed.at.ply.gg:7113

system-headed.at.ply.gg:1593

Attributes
  • install_file

    USB.exe

Targets

    • Target

      loader_1.exe

    • Size

      50KB

    • MD5

      935f44677afd746280af92052805793c

    • SHA1

      f03b5a9eacf210fd38079c152b4399e6e2cfd9a5

    • SHA256

      44ed87bca739bea9b8ac2521678b89a2721c828954ddb1e6ab0ea53dabee2571

    • SHA512

      70df5585a576631f278ef619aa349088ad2d7aef99d9c028ebc24f29dfb7a71f4d0cd028dfb50eee332e870595586d67cb7166d7f1669759f818997daa98f4f5

    • SSDEEP

      768:aKTeORI+AXZHpRrgBNFG6xJ65h0zb6bqaeHqrYAkCOoWyhiaJqXXt:aKhlAXXRrgBW5qzb6bqaeKrYAFOoXCN

    • ModiLoader, DBatLoader

      ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

    • XenArmor Suite

      XenArmor is as suite of password recovery tools for various application.

    • Xworm

      Xworm is a remote access trojan written in C#.

    • ModiLoader Second Stage

    • Modifies extensions of user files

      Ransomware generally changes the extension on encrypted files.

    • ACProtect 1.3x - 1.4x DLL software

      Detects file using ACProtect software.

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads local data of messenger clients

      Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

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

    • UPX packed file

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

    • Accesses Microsoft Outlook accounts

    • Adds Run key to start application

    • Drops desktop.ini file(s)

    • Sets desktop wallpaper using registry

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

3
T1112

Credential Access

Credentials in Files

4
T1081

Discovery

Query Registry

5
T1012

System Information Discovery

5
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

4
T1005

Email Collection

1
T1114

Impact

Defacement

1
T1491

Tasks