Resubmissions

26-05-2024 02:26

240526-cw1qgabe6z 10

26-05-2024 02:15

240526-cp3w9abc4z 10

Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    26-05-2024 02:26

General

  • Target

    XClient.exe

  • Size

    179KB

  • MD5

    48ec861dda66f8a5c4c4abe34bde5533

  • SHA1

    cc33872e3bac88a5b426e1d44932a60a42e97a3c

  • SHA256

    126def262910ee46ba3a1210d2c8f71f8348c18f248806abd559ae52d85e584f

  • SHA512

    b50e3920d80ca5a9301be447c88294660901db1b453967365ed0031edc08e837aac6c351608643cdc0207bac6e3ce4c6ca49321a0641ab0759476db15537ac42

  • SSDEEP

    3072:NChMbbOhEiNnIbodpABzmONKv3Bz65/M6If+3Js+3JFkKeTno:NCeO5abXUfxBt25

Malware Config

Extracted

Family

xworm

C2

non-activists.gl.at.ply.gg:63701

Attributes
  • install_file

    USB.exe

Signatures

  • Detect Xworm Payload 1 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • 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 behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\XClient.exe
    "C:\Users\Admin\AppData\Local\Temp\XClient.exe"
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2012
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\XClient.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2572
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'XClient.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2652

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

    Filesize

    7KB

    MD5

    05fa21a86f0234a369f42063e749a5f3

    SHA1

    d5e493c3fc814a400820a1f7328a797e6a9e6f00

    SHA256

    cae89e5ade5872073344f34551244ef1366a29332bb740c3efb359177beb0222

    SHA512

    e73a77fc6535dcf6f66a9d9a29cee3d9483e52b478ab2681c2990739c470ea4ce99b2fd458dd8d08f63bab0de80c2d54c45cad4c55fe4594f1f78aac437defaa

  • memory/2012-0-0x000007FEF5693000-0x000007FEF5694000-memory.dmp

    Filesize

    4KB

  • memory/2012-1-0x00000000001B0000-0x00000000001E2000-memory.dmp

    Filesize

    200KB

  • memory/2012-2-0x000007FEF5690000-0x000007FEF607C000-memory.dmp

    Filesize

    9.9MB

  • memory/2012-16-0x000007FEF5693000-0x000007FEF5694000-memory.dmp

    Filesize

    4KB

  • memory/2012-17-0x000007FEF5690000-0x000007FEF607C000-memory.dmp

    Filesize

    9.9MB

  • memory/2572-7-0x000000001B690000-0x000000001B972000-memory.dmp

    Filesize

    2.9MB

  • memory/2572-8-0x0000000002310000-0x0000000002318000-memory.dmp

    Filesize

    32KB

  • memory/2652-14-0x000000001B610000-0x000000001B8F2000-memory.dmp

    Filesize

    2.9MB

  • memory/2652-15-0x0000000001E20000-0x0000000001E28000-memory.dmp

    Filesize

    32KB