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Analysis

  • max time kernel
    27s
  • max time network
    17s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    02/08/2024, 22:11

General

  • Target

    XClient.exe

  • Size

    33KB

  • MD5

    48b9cdcb33c1a29398056d35bfa0645a

  • SHA1

    d5bc1feec8b196005e733be26891ad7468f3aaf7

  • SHA256

    3fa216500c3adc0968a049701032789556cd2abaabfdfcc8eb2ac8e05a01cf43

  • SHA512

    42f2334faba03cef90242d5ff24fdbc8870c7f187388adf08836885d724cdb5a236285453d56a0a53dd5222de546e7e59279face8980c97c8099cda3ddb69dcb

  • SSDEEP

    384:/E8PQ9Ba+vNuntf98d6ILj7CM42pfL3iB7OxVqWYRApkFXBLTsOZwpGN2v99Ikui:PUa+vNohsXn42JiB706VF49jHOjhkbz

Score
10/10

Malware Config

Extracted

Family

xworm

Version

5.0

C2

127.0.0.1:8888

Mutex

9uBvYg0Ptt9Hc8LV

Attributes
  • install_file

    USB.exe

aes.plain

Signatures

  • Detect Xworm Payload 1 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • 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 use of AdjustPrivilegeToken
    PID:2216
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:1340

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2216-0-0x00007FFFE5E03000-0x00007FFFE5E04000-memory.dmp

      Filesize

      4KB

    • memory/2216-1-0x0000000000A40000-0x0000000000A4E000-memory.dmp

      Filesize

      56KB

    • memory/2216-2-0x00007FFFE5E00000-0x00007FFFE67EC000-memory.dmp

      Filesize

      9.9MB

    • memory/2216-3-0x00007FFFE5E03000-0x00007FFFE5E04000-memory.dmp

      Filesize

      4KB

    • memory/2216-4-0x00007FFFE5E00000-0x00007FFFE67EC000-memory.dmp

      Filesize

      9.9MB