Resubmissions

18-12-2024 07:37

241218-jf8vga1lel 10

18-12-2024 07:34

241218-jd6bka1kgm 10

Analysis

  • max time kernel
    835s
  • max time network
    836s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    18-12-2024 07:37

General

  • Target

    XClient.exe

  • Size

    49KB

  • MD5

    89bc15122f16df2eb618add250990ad0

  • SHA1

    47e459aa4ed8a83a84a4912db8a1dc61fb8a6375

  • SHA256

    4cc278ee6bcb828bf809f398e58e023099a02f7fe372d0d0a6632952b4093b4e

  • SHA512

    4d465eeffb4cc1f886614e35b2075a97d604fd131acba2119ff0c7c5c43e9ba90006f67334195f7c415c888b3ef8441e13e3b4890968c8d547258e2e51d5cbfb

  • SSDEEP

    768:+WFNI2RdYFIOoUHEdc8e6akgkb1gndeaet/OtsXhMHN50w:+87nYercEdclHkb1gncFO8eH70w

Score
10/10

Malware Config

Extracted

Family

xworm

Attributes
  • install_file

    USB.exe

  • pastebin_url

    https://pastebin.com/raw/hMSQvtUM

Signatures

  • Contains code to disable Windows Defender 1 IoCs

    A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

  • Detect Xworm Payload 1 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Xworm family
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\XClient.exe
    "C:\Users\Admin\AppData\Local\Temp\XClient.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:2668

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2668-0-0x000007FEF5E23000-0x000007FEF5E24000-memory.dmp

    Filesize

    4KB

  • memory/2668-1-0x0000000000CE0000-0x0000000000CF2000-memory.dmp

    Filesize

    72KB

  • memory/2668-2-0x000007FEF5E20000-0x000007FEF680C000-memory.dmp

    Filesize

    9.9MB

  • memory/2668-3-0x000007FEF5E20000-0x000007FEF680C000-memory.dmp

    Filesize

    9.9MB

  • memory/2668-4-0x0000000000B60000-0x0000000000B6C000-memory.dmp

    Filesize

    48KB

  • memory/2668-5-0x0000000000C10000-0x0000000000C1E000-memory.dmp

    Filesize

    56KB

  • memory/2668-6-0x000000001BB50000-0x000000001BC00000-memory.dmp

    Filesize

    704KB

  • memory/2668-7-0x0000000000C40000-0x0000000000C4A000-memory.dmp

    Filesize

    40KB

  • memory/2668-8-0x000007FEF5E20000-0x000007FEF680C000-memory.dmp

    Filesize

    9.9MB