General

  • Target

    4e867049a92c822ebb1ee2560864342654479f4b9f1f83a30e85db010f548b19

  • Size

    428KB

  • Sample

    241029-213has1hqq

  • MD5

    4d461325bbeae0856b0e5da6d2ddcd2d

  • SHA1

    662cf618b59b7cf42df05c5816397dc0f3eae244

  • SHA256

    4e867049a92c822ebb1ee2560864342654479f4b9f1f83a30e85db010f548b19

  • SHA512

    aee1c1d1afa66db9e0b96e02c61a0b4e28109abf71cd71f39051ab5d052a8d3b4f45418fb2602c18ec279379dafc4764ae158f1013b00437764c59cf94a0d45a

  • SSDEEP

    12288:QjXd/ne4euAHvPx3poJwMQV42cLQgwofY4+KncR6xf:QLhe4+nx3poJlQ22C/w4+dRU

Malware Config

Extracted

Family

xworm

Version

3.1

C2

savelat19847.duckdns.org:7000

Mutex

c4SWD4cHmW81lRzT

Attributes
  • install_file

    USB.exe

aes.plain

Targets

    • Target

      List.exe

    • Size

      2.8MB

    • MD5

      312763f784a6713a2fbb53dbe1288e80

    • SHA1

      f1b9b4dc31b56d0a8ff6ddbce6936ea377d54bdf

    • SHA256

      3a06f3c9bee34204cd0b69bb08d88080cab2d4248a7ea8cd2e83d777972ca81d

    • SHA512

      04b5d3a5ec761f0fa1a13f151a6a0a9f93430eddb5708d5699e660e4eb718f0d7ceb44966e0f64b838ee25bbcff44dde7aa3fe2ea33d05c3d446f05a0116ab2a

    • SSDEEP

      12288:zd6dAAwnW4eu6HD7x3psJwOQr42cLsgwWfEA+WnqR6Xo:GA3W4onx3psJJQ82CjwY+pRl

    • Detect Xworm Payload

    • UAC bypass

    • Windows security bypass

    • XenArmor Suite

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

    • Xenarmor family

    • 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.

    • 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.

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • 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.

    • Windows security modification

    • Accesses Microsoft Outlook accounts

    • Checks whether UAC is enabled

    • Suspicious use of SetThreadContext

    • UPX packed file

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

MITRE ATT&CK Enterprise v15

Tasks