Analysis

  • max time kernel
    118s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    21/05/2024, 14:35

General

  • Target

    f55d89f82515bde23bb272f930cb9492.exe

  • Size

    36KB

  • MD5

    f55d89f82515bde23bb272f930cb9492

  • SHA1

    666d0f5a98f03292abf16cd2de599997c836926a

  • SHA256

    4d9fb14e15d1613a7a5d70efbacb0f153729f02216116c3f7f117b033bd7655c

  • SHA512

    a7a62daf90aae27207b77034e8a76d5b3f8aa05430bd8768d46be7f3843962ddc1ef154691dc0f26051605fbb36269e59f18c3c75fdf72222346188e7a6cf03b

  • SSDEEP

    384:/IFAz8mqQNv9qNx7kKka/sVxCTjMBVJYX7+u91X5Lj6WmyyNApPzuSvZ5mpkFyHZ:EApN1/qEMFj60y+hLFyT9CCOjhyPy2B

Score
10/10

Malware Config

Extracted

Family

xworm

Version

5.0

C2

85.203.4.146:7000

Mutex

eItTbYBfBYihwkyW

Attributes
  • Install_directory

    %Userprofile%

  • install_file

    svchost.exe

aes.plain

Signatures

  • Detect Xworm Payload 1 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Drops startup file 2 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f55d89f82515bde23bb272f930cb9492.exe
    "C:\Users\Admin\AppData\Local\Temp\f55d89f82515bde23bb272f930cb9492.exe"
    1⤵
    • Drops startup file
    • Suspicious use of AdjustPrivilegeToken
    PID:2084

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/2084-0-0x000007FEF5C73000-0x000007FEF5C74000-memory.dmp

          Filesize

          4KB

        • memory/2084-1-0x0000000000AB0000-0x0000000000AC0000-memory.dmp

          Filesize

          64KB

        • memory/2084-2-0x000007FEF5C70000-0x000007FEF665C000-memory.dmp

          Filesize

          9.9MB

        • memory/2084-7-0x000007FEF5C73000-0x000007FEF5C74000-memory.dmp

          Filesize

          4KB

        • memory/2084-8-0x000007FEF5C70000-0x000007FEF665C000-memory.dmp

          Filesize

          9.9MB