Analysis

  • max time kernel
    142s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-20250207-en
  • resource tags

    arch:x64arch:x86image:win7-20250207-enlocale:en-usos:windows7-x64system
  • submitted
    04/03/2025, 15:42

General

  • Target

    NerestCrack.exe

  • Size

    15.0MB

  • MD5

    8acd2d51225c26977b7a6c05133b5d0e

  • SHA1

    f7e78fced38d5cf695a1fc5babbc0087e4c82682

  • SHA256

    233b4e09ce8f93d5b8d05fe966b6dee0e8f72a4b044c1f81cb76ab38c840ce7e

  • SHA512

    71e679fda369fbbf169892c9cfca555bc5d4746292fc78f4207f15ef041bcb7f67a46061688e5dfc2bda3dba54cc064e84c652b58bef1e4114a4dedf03161662

  • SSDEEP

    3072:1jx5U/FRxkan+bgVkvQ2rObGUzaewwQU4OHRemS0:Bx5iWa+b5IjzBuU4OIm

Malware Config

Extracted

Family

xworm

C2

127.0.0.1:30067

florida-leather.gl.at.ply.gg:30067

than-behavioral.gl.at.ply.gg:30067

Signatures

  • Detect Xworm Payload 1 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Xworm family
  • 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.

  • Enumerates physical storage devices 1 TTPs

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

  • 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\NerestCrack.exe
    "C:\Users\Admin\AppData\Local\Temp\NerestCrack.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2424
    • 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\NerestCrack.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2316
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'NerestCrack.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2832

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\0JDHLIECCAPP1J82B3ZD.temp

    Filesize

    7KB

    MD5

    bc9725a9515008c1267a3a4b4c224f34

    SHA1

    bbbd5c177bb7730045553b429f63ff83bdc37d7b

    SHA256

    a5a0821eec447030dd19ed8bb1f5c40a9c7ec08751da77e19198985f3e46adb2

    SHA512

    600aa811b170d46830080b18aa12a08974995998d0c2e52caa3c02b8dd2c29d7ff538359d3eebd888e94136fba2f36f1614a9df677e997a19469243bf7a1ddc1

  • memory/2316-6-0x0000000002A30000-0x0000000002AB0000-memory.dmp

    Filesize

    512KB

  • memory/2316-7-0x000000001B670000-0x000000001B952000-memory.dmp

    Filesize

    2.9MB

  • memory/2316-8-0x00000000026E0000-0x00000000026E8000-memory.dmp

    Filesize

    32KB

  • memory/2424-0-0x000007FEF5F43000-0x000007FEF5F44000-memory.dmp

    Filesize

    4KB

  • memory/2424-1-0x00000000001A0000-0x00000000001C2000-memory.dmp

    Filesize

    136KB

  • memory/2424-16-0x000000001AEE0000-0x000000001AF60000-memory.dmp

    Filesize

    512KB

  • memory/2424-17-0x000007FEF5F43000-0x000007FEF5F44000-memory.dmp

    Filesize

    4KB

  • memory/2424-18-0x000000001AEE0000-0x000000001AF60000-memory.dmp

    Filesize

    512KB

  • memory/2832-14-0x000000001B740000-0x000000001BA22000-memory.dmp

    Filesize

    2.9MB

  • memory/2832-15-0x0000000001EC0000-0x0000000001EC8000-memory.dmp

    Filesize

    32KB