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General

  • Target

    SecuriteInfo.com.Trojan.MulDrop23.34226.30868.14577.exe

  • Size

    100KB

  • Sample

    250326-vzzxfs1qv6

  • MD5

    05a3652e22ffa7e85b65473182acb707

  • SHA1

    24e4c3464f0c4a3ebf46bd0e8d0a39bd2e9f0a55

  • SHA256

    9a97ef498ea1fcbe247efd79e293fcadb8b523c334762dcec53d8fb178e7c807

  • SHA512

    dd7f6c0d0f8ef063bc67bf08140975b02623e484e492bd93062cc0327ebce9d6d6d6dd7b654ac6e768a3cdd0ef5463674434064c0db8578fd0ab0702e226c4e2

  • SSDEEP

    3072:Ku8cDKY2SgVmoXU/F+Vy54GCfcljji03L:K/DVSqE/FYgs6

Malware Config

Extracted

Family

xworm

Version

5.0

C2

142.147.96.74:7000

buinhatduy01.ddns.net:7000

buinhatduy.duckdns.org:7000

Mutex

O9hqaPBmS3qVW6ON

Attributes
  • Install_directory

    %AppData%

  • install_file

    AggregatorHost.exe

aes.plain

Targets

    • Target

      SecuriteInfo.com.Trojan.MulDrop23.34226.30868.14577.exe

    • Size

      100KB

    • MD5

      05a3652e22ffa7e85b65473182acb707

    • SHA1

      24e4c3464f0c4a3ebf46bd0e8d0a39bd2e9f0a55

    • SHA256

      9a97ef498ea1fcbe247efd79e293fcadb8b523c334762dcec53d8fb178e7c807

    • SHA512

      dd7f6c0d0f8ef063bc67bf08140975b02623e484e492bd93062cc0327ebce9d6d6d6dd7b654ac6e768a3cdd0ef5463674434064c0db8578fd0ab0702e226c4e2

    • SSDEEP

      3072:Ku8cDKY2SgVmoXU/F+Vy54GCfcljji03L:K/DVSqE/FYgs6

    • Detect Xworm Payload

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

    • Command and Scripting Interpreter: PowerShell

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

    • Download via BitsAdmin

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Adds Run key to start application

    • Legitimate hosting services abused for malware hosting/C2

MITRE ATT&CK Enterprise v15

Tasks