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04/02/2025, 20:50

250204-zmyk3stkep 10

Analysis

  • max time kernel
    72s
  • max time network
    64s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250129-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/02/2025, 20:50

General

  • Target

    XClient.exe

  • Size

    32KB

  • MD5

    29472f37159588f215ab330519c41c8e

  • SHA1

    e1b7917270b70946a4b96c54fb04481b78c9c4a2

  • SHA256

    17cb8ec97c8e4939edea0a9b3e1ce1597758a5131b2ea2b63316cc2e538b10bf

  • SHA512

    1c118c98f52f3db77af0afa448f6b002065a476332bb6b56feca7ba7493cef6d9ab3dc5cf5fed2a2f68cb93782f5741be5b81adf050a520d782c8559449031a5

  • SSDEEP

    384:YEbmX5Qa+vN1h1+X3v6JFjL+g93Tm2eaFO4FzRApkFTBLTsOZwpGd2v99IkuisxF:dVa+vNtg+PB93Tw49FzVFE9juOjh2bf

Score
10/10

Malware Config

Extracted

Family

xworm

Version

5.0

C2

0.0.0.0:7000

Mutex

kIy6rQrEWqfuHMNk

Attributes
  • install_file

    USB.exe

aes.plain

Signatures

  • Detect Xworm Payload 1 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Xworm family
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious use of AdjustPrivilegeToken 11 IoCs
  • Suspicious use of FindShellTrayWindow 46 IoCs
  • Suspicious use of SendNotifyMessage 45 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\XClient.exe
    "C:\Users\Admin\AppData\Local\Temp\XClient.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2004
  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe" /7
    1⤵
    • Checks SCSI registry key(s)
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:1944
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:3116
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k SDRSVC
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4044

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1944-16-0x0000020084F40000-0x0000020084F41000-memory.dmp

      Filesize

      4KB

    • memory/1944-6-0x0000020084F40000-0x0000020084F41000-memory.dmp

      Filesize

      4KB

    • memory/1944-11-0x0000020084F40000-0x0000020084F41000-memory.dmp

      Filesize

      4KB

    • memory/1944-12-0x0000020084F40000-0x0000020084F41000-memory.dmp

      Filesize

      4KB

    • memory/1944-13-0x0000020084F40000-0x0000020084F41000-memory.dmp

      Filesize

      4KB

    • memory/1944-5-0x0000020084F40000-0x0000020084F41000-memory.dmp

      Filesize

      4KB

    • memory/1944-14-0x0000020084F40000-0x0000020084F41000-memory.dmp

      Filesize

      4KB

    • memory/1944-15-0x0000020084F40000-0x0000020084F41000-memory.dmp

      Filesize

      4KB

    • memory/1944-7-0x0000020084F40000-0x0000020084F41000-memory.dmp

      Filesize

      4KB

    • memory/1944-17-0x0000020084F40000-0x0000020084F41000-memory.dmp

      Filesize

      4KB

    • memory/2004-0-0x00007FFC72843000-0x00007FFC72845000-memory.dmp

      Filesize

      8KB

    • memory/2004-1-0x0000000000500000-0x000000000050E000-memory.dmp

      Filesize

      56KB

    • memory/2004-4-0x00007FFC72840000-0x00007FFC73301000-memory.dmp

      Filesize

      10.8MB

    • memory/2004-3-0x00007FFC72843000-0x00007FFC72845000-memory.dmp

      Filesize

      8KB

    • memory/2004-2-0x00007FFC72840000-0x00007FFC73301000-memory.dmp

      Filesize

      10.8MB