General

  • Target
    b62ae65bcd846293eb899fc473fa1325e17545e2c4d93d1ca108957b82d301e4.bin
  • Size 8.5MB
  • Sample260912-29q6maxcjd
  • SHA256 b62ae65bcd846293eb899fc473fa1325e17545e2c4d93d1ca108957b82d301e4
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • xworm

C2
  • zbzb3er-41421.portmap.host:41421

Mutex
  • l9NtUrBAyy7rftEz

Attributes
  • Install_directory

    %Temp%

  • install_file

    USB.exe

aes.plain

Targets

    • Target
      b62ae65bcd846293eb899fc473fa1325e17545e2c4d93d1ca108957b82d301e4.bin
    • Size 8.5MB
    • SHA256 b62ae65bcd846293eb899fc473fa1325e17545e2c4d93d1ca108957b82d301e4
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Detect Xworm Payload

    • Family: Xworm

      Xworm is a remote access trojan written in C#.

    • Checks computer location settings

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

    • Creates a file in the Startup directory

      A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

    • Executes dropped EXE

    • Adds Run key to start application

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

MITRE ATT&CK Enterprise v16

Tasks