Resubmissions

24-03-2023 23:06

230324-23s2mshh67 10

General

  • Target

    NanoCore_Portable (2).exe

  • Size

    6.5MB

  • Sample

    230324-23s2mshh67

  • MD5

    0fc29b0b1e97b719e9aeac74d08470ab

  • SHA1

    307db48028ec6f9869f80d3de3ec7bfbbf18a33a

  • SHA256

    40efa0ccacc28f418702a80cbfc1623ed3e7ba5fc03d84a71aedeed615d80da1

  • SHA512

    3ea091b5508d42075c79c74681d59a6dad9a4a8aa617138798c889d6eec9fcbe8bf7d7bdbfac40ee7ca6d055a138dc6b9524c706bde847712185c2b34e2b9d15

  • SSDEEP

    196608:2/LjS66hJNQ3WgJMI4iomAgS7yl4FV5TQf7GnL4yw1oYYKI5x:2aBfNQGgj4imzQ4FVw7GLpA1I5

Malware Config

Extracted

Family

xworm

C2

considered-arrest.at.ply.gg:19159

Attributes
  • install_file

    USB.exe

Targets

    • Target

      NanoCore_Portable (2).exe

    • Size

      6.5MB

    • MD5

      0fc29b0b1e97b719e9aeac74d08470ab

    • SHA1

      307db48028ec6f9869f80d3de3ec7bfbbf18a33a

    • SHA256

      40efa0ccacc28f418702a80cbfc1623ed3e7ba5fc03d84a71aedeed615d80da1

    • SHA512

      3ea091b5508d42075c79c74681d59a6dad9a4a8aa617138798c889d6eec9fcbe8bf7d7bdbfac40ee7ca6d055a138dc6b9524c706bde847712185c2b34e2b9d15

    • SSDEEP

      196608:2/LjS66hJNQ3WgJMI4iomAgS7yl4FV5TQf7GnL4yw1oYYKI5x:2aBfNQGgj4imzQ4FVw7GLpA1I5

    • NanoCore

      NanoCore is a remote access tool (RAT) with a variety of capabilities.

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • 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 v6

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

1
T1112

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Tasks