Overview

overview

10

Static

static

10

ParadoxChecker.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-11-2024 17:51

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General

  • Target

    ParadoxChecker.exe

  • Size

    76KB

  • MD5

    4e76b80bce10eb03176bf60a3188b06c

  • SHA1

    35168f494bb45abeec007385eb86b6790230bbea

  • SHA256

    c21bad2416025fef7aeb09ae4f47d9f9b29c0b44515aa1fe2e5e056b8758985c

  • SHA512

    f4076e47762783a6190efdddfc96067850582eacb09dc4e88ba874662df73570e01ecc683b90f15ed0402091e73eda6b35f1f1510bc545e5cf49231c30f12024

  • SSDEEP

    1536:bBhkVrLNTPIjlHgb3xvzcB+CUK678VOnbnSeayShAf:1haNTPO2b3JzFwOnXShA

Score
10/10
xwormexecutionpersistencerattrojan

Malware Config

Extracted

Family

xworm

C2

left-noon.gl.at.ply.gg:60705

Attributes
  • Install_directory

    %AppData%

  • install_file

    US11B.exe

Signatures

  • Detect Xworm Payload 2 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

    trojanratxworm
  • Xworm family
    xworm
  • Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

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

    execution
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • 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).

  • 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
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

    persistenceexecution
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 10 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

    persistence

Processes

  • C:\Users\Admin\AppData\Local\Temp\ParadoxChecker.exe
    "C:\Users\Admin\AppData\Local\Temp\ParadoxChecker.exe"
    1⤵
    • Checks computer location settings
    • Drops startup file
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:456
    • 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\ParadoxChecker.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3856
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'ParadoxChecker.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1596
    • 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\Roaming\ParadoxChecker.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3172
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "ParadoxChecker" /tr "C:\Users\Admin\AppData\Roaming\ParadoxChecker.exe"
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:4084
  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe" /4
    1⤵
    • Checks SCSI registry key(s)
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:1584
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:2612
    • C:\Users\Admin\AppData\Roaming\ParadoxChecker.exe
      C:\Users\Admin\AppData\Roaming\ParadoxChecker.exe
      1⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1420
    • C:\Users\Admin\AppData\Roaming\ParadoxChecker.exe
      C:\Users\Admin\AppData\Roaming\ParadoxChecker.exe
      1⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2372

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\ParadoxChecker.exe.log
      Filesize

      654B

      MD5

      2ff39f6c7249774be85fd60a8f9a245e

      SHA1

      684ff36b31aedc1e587c8496c02722c6698c1c4e

      SHA256

      e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced

      SHA512

      1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1

      Download Submit

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
      Filesize

      2KB

      MD5

      d85ba6ff808d9e5444a4b369f5bc2730

      SHA1

      31aa9d96590fff6981b315e0b391b575e4c0804a

      SHA256

      84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

      SHA512

      8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

      Download Submit

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
      Filesize

      944B

      MD5

      77d622bb1a5b250869a3238b9bc1402b

      SHA1

      d47f4003c2554b9dfc4c16f22460b331886b191b

      SHA256

      f97ff12a8abf4bf88bb6497bd2ac2da12628c8847a8ba5a9026bdbb76507cdfb

      SHA512

      d6789b5499f23c9035375a102271e17a8a82e57d6f5312fa24242e08a83efdeb8becb7622f55c4cf1b89c7d864b445df11f4d994cf7e2f87a900535bcca12fd9

      Download Submit

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
      Filesize

      944B

      MD5

      54522d22658e4f8f87ecb947b71b8feb

      SHA1

      6a6144bdf9c445099f52211b6122a2ecf72b77e9

      SHA256

      af18fc4864bc2982879aed928c960b6266f372c928f8c9632c5a4eecd64e448a

      SHA512

      55f2c5a455be20dcb4cb93a29e5389e0422237bdd7ac40112fec6f16a36e5e19df50d25d39a6d5acb2d41a96514c7ecd8631ce8e67c4ff04997282f49d947aba

      Download Submit

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_kwtrgxea.w4s.ps1
      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      Download Submit

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ParadoxChecker.lnk
      Filesize

      808B

      MD5

      2b30ca8f84896ac65d54e53142a88920

      SHA1

      b5736a597deced07e37ed5d9bb897e95dedb6059

      SHA256

      9f2d0d6c146f9d3253b9fd95a25acb84befb5b81e8ea8a25607ddaf0bfc19358

      SHA512

      b010d76b802ad527d2a038118670d2e7a31fa582b9f92e8616aa9090d01ba28170d3c6b512dc0451706039e7df9fd3fbcbb0803c4822df04c2b775ad399e6974

      Download Submit

    • C:\Users\Admin\AppData\Roaming\ParadoxChecker.exe
      Filesize

      76KB

      MD5

      4e76b80bce10eb03176bf60a3188b06c

      SHA1

      35168f494bb45abeec007385eb86b6790230bbea

      SHA256

      c21bad2416025fef7aeb09ae4f47d9f9b29c0b44515aa1fe2e5e056b8758985c

      SHA512

      f4076e47762783a6190efdddfc96067850582eacb09dc4e88ba874662df73570e01ecc683b90f15ed0402091e73eda6b35f1f1510bc545e5cf49231c30f12024

      Download Submit

    • memory/456-2-0x00007FFC5D9F0000-0x00007FFC5E4B1000-memory.dmp

      Filesize

      10.8MB

      Download

    • memory/456-1-0x0000000000070000-0x000000000008A000-memory.dmp

      Filesize

      104KB

      Download

    • memory/456-70-0x000000001AD90000-0x000000001AD9C000-memory.dmp

      Filesize

      48KB

      Download

    • memory/456-68-0x00007FFC5D9F0000-0x00007FFC5E4B1000-memory.dmp

      Filesize

      10.8MB

      Download

    • memory/456-67-0x000000001B2B0000-0x000000001B3B2000-memory.dmp

      Filesize

      1.0MB

      Download

    • memory/456-0-0x00007FFC5D9F3000-0x00007FFC5D9F5000-memory.dmp

      Filesize

      8KB

      Download

    • memory/456-61-0x00007FFC5D9F3000-0x00007FFC5D9F5000-memory.dmp

      Filesize

      8KB

      Download

    • memory/1584-51-0x000002C194180000-0x000002C194181000-memory.dmp

      Filesize

      4KB

      Download

    • memory/1584-45-0x000002C194180000-0x000002C194181000-memory.dmp

      Filesize

      4KB

      Download

    • memory/1584-53-0x000002C194180000-0x000002C194181000-memory.dmp

      Filesize

      4KB

      Download

    • memory/1584-56-0x000002C194180000-0x000002C194181000-memory.dmp

      Filesize

      4KB

      Download

    • memory/1584-55-0x000002C194180000-0x000002C194181000-memory.dmp

      Filesize

      4KB

      Download

    • memory/1584-54-0x000002C194180000-0x000002C194181000-memory.dmp

      Filesize

      4KB

      Download

    • memory/1584-52-0x000002C194180000-0x000002C194181000-memory.dmp

      Filesize

      4KB

      Download

    • memory/1584-44-0x000002C194180000-0x000002C194181000-memory.dmp

      Filesize

      4KB

      Download

    • memory/1584-50-0x000002C194180000-0x000002C194181000-memory.dmp

      Filesize

      4KB

      Download

    • memory/1584-46-0x000002C194180000-0x000002C194181000-memory.dmp

      Filesize

      4KB

      Download

    • memory/1596-31-0x0000015C333E0000-0x0000015C3354A000-memory.dmp

      Filesize

      1.4MB

      Download

    • memory/3856-18-0x00007FFC5D9F0000-0x00007FFC5E4B1000-memory.dmp

      Filesize

      10.8MB

      Download

    • memory/3856-15-0x00007FFC5D9F0000-0x00007FFC5E4B1000-memory.dmp

      Filesize

      10.8MB

      Download

    • memory/3856-14-0x00007FFC5D9F0000-0x00007FFC5E4B1000-memory.dmp

      Filesize

      10.8MB

      Download

    • memory/3856-13-0x0000024660350000-0x0000024660372000-memory.dmp

      Filesize

      136KB

      Download

    • memory/3856-3-0x00007FFC5D9F0000-0x00007FFC5E4B1000-memory.dmp

      Filesize

      10.8MB

      Download