Overview

overview

10

Static

static

10

XClient (1).exe

windows7-x64

10

XClient (1).exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/09/2024, 16:58

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General

  • Target

    XClient (1).exe

  • Size

    81KB

  • MD5

    2a839c549a9e403ec5e05ecb13ea57b4

  • SHA1

    c2aed5359ff4b340562707e828d0a3ea5e418dbe

  • SHA256

    13285280ae2af622ba1fa0c670e0a86533433544a18f312928c9a4a81619965f

  • SHA512

    15b7224e3b8ca58dd9a3b3b61c36bd4dd936e6c981914ea90ab6ace40cf438bddc26a415475e3ae6d02d9f7ead2c72ff6434329380cb2dcc34d4f47241493c4a

  • SSDEEP

    1536:7D/mdYjKL77WWNoTZi7+ihgmprpbLvRODbwbMs6Vr53UOHyySOcdyc:7DgJNuZi7rhl5pbLp4wbMLd3UOHyySWc

Score
10/10
xwormexecutionpersistencerattrojan

Malware Config

Extracted

Family

xworm

C2

127.0.0.1:28019

chilhoek-28019.portmap.host:28019
Attributes
  • Install_directory

    %AppData%

  • install_file

    XClient.exe

  • telegram

    https://api.telegram.org/bot7460505018:AAGtMNP89kfVCbpYBPLkO5O4JcFb8YqssUk

Signatures

  • Detect Xworm Payload 2 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

    trojanratxworm
  • Command and Scripting Interpreter: PowerShell 1 TTPs 4 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.

  • 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 11 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 10 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\XClient (1).exe
    "C:\Users\Admin\AppData\Local\Temp\XClient (1).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:3372
    • 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 (1).exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4784
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'XClient (1).exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1652
    • 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\XClient.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:32
    • 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:4416
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "XClient" /tr "C:\Users\Admin\AppData\Roaming\XClient.exe"
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:4896
  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe" /4
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:2344
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=3264,i,3210801877307184477,8078594481454001567,262144 --variations-seed-version --mojo-platform-channel-handle=4384 /prefetch:8
    1⤵
      PID:3224
    • C:\Users\Admin\AppData\Roaming\XClient.exe
      C:\Users\Admin\AppData\Roaming\XClient.exe
      1⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2564
    • C:\Users\Admin\AppData\Roaming\XClient.exe
      C:\Users\Admin\AppData\Roaming\XClient.exe
      1⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:976

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\XClient.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

      2979eabc783eaca50de7be23dd4eafcf

      SHA1

      d709ce5f3a06b7958a67e20870bfd95b83cad2ea

      SHA256

      006cca90e78fbb571532a83082ac6712721a34ea4b21f490058ffb3f521f4903

      SHA512

      92bc433990572d9427d0c93eef9bd1cc23fa00ed60dd0c9c983d87d3421e02ce3f156c6f88fe916ef6782dbf185cbce083bc0094f8c527f302be6a37d1c53aba

      Download Submit

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

      944B

      MD5

      e60eb305a7b2d9907488068b7065abd3

      SHA1

      1643dd7f915ac50c75bc01c53d68c5dafb9ce28d

      SHA256

      ad07460e061642c0dd4e7dfa7b821aacce873e290389e72f708e9f3504f9d135

      SHA512

      95c45afec6fa4e0b2a21edd10a6b2dc30568810c67bc9bc34d98ab111c48261f377a370583adb27e08616b0108026c119493b1b093b52ce931117e646b46cb7b

      Download Submit

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

      944B

      MD5

      dd1d0b083fedf44b482a028fb70b96e8

      SHA1

      dc9c027937c9f6d52268a1504cbae42a39c8d36a

      SHA256

      cab7944d29e0501dc0db904ac460ca7a87700e0ec7eb62298b7b97cbf40c424c

      SHA512

      96bec38bfda176292ae65dcf735103e7888baa212038737c1d1e215fcb76e4c0355e4a827a1934303e7aecae91012fa412f13e38f382b732758bae985cc67973

      Download Submit

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_5en0or0j.tnc.ps1
      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      Download Submit

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

      771B

      MD5

      7a778d9142bfb8d27a183a24964a2eb6

      SHA1

      fb0e50076adfae9749ec14ce2641e48bc8cef980

      SHA256

      29ab0a6470917de78d5fe9e0fccad5011f8b8802259ae1aa88d0f30cd4065bf1

      SHA512

      5543ad3b490764de707f7adc8a6d360faa007abf443a494adeb703e777c2b0fec1e342ec8fa815eb2739fdbfe655d8350e3972505d572a90c93c952f2a4ef60d

      Download Submit

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

      81KB

      MD5

      2a839c549a9e403ec5e05ecb13ea57b4

      SHA1

      c2aed5359ff4b340562707e828d0a3ea5e418dbe

      SHA256

      13285280ae2af622ba1fa0c670e0a86533433544a18f312928c9a4a81619965f

      SHA512

      15b7224e3b8ca58dd9a3b3b61c36bd4dd936e6c981914ea90ab6ace40cf438bddc26a415475e3ae6d02d9f7ead2c72ff6434329380cb2dcc34d4f47241493c4a

      Download Submit

    • memory/2344-62-0x0000021475540000-0x0000021475541000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2344-63-0x0000021475540000-0x0000021475541000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2344-58-0x0000021475540000-0x0000021475541000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2344-59-0x0000021475540000-0x0000021475541000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2344-60-0x0000021475540000-0x0000021475541000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2344-54-0x0000021475540000-0x0000021475541000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2344-53-0x0000021475540000-0x0000021475541000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2344-52-0x0000021475540000-0x0000021475541000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2344-64-0x0000021475540000-0x0000021475541000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2344-61-0x0000021475540000-0x0000021475541000-memory.dmp

      Filesize

      4KB

      Download

    • memory/3372-0-0x00007FFDE97A3000-0x00007FFDE97A5000-memory.dmp

      Filesize

      8KB

      Download

    • memory/3372-2-0x00007FFDE97A0000-0x00007FFDEA261000-memory.dmp

      Filesize

      10.8MB

      Download

    • memory/3372-72-0x00007FFDE97A0000-0x00007FFDEA261000-memory.dmp

      Filesize

      10.8MB

      Download

    • memory/3372-1-0x00000000008B0000-0x00000000008CA000-memory.dmp

      Filesize

      104KB

      Download

    • memory/4784-18-0x00007FFDE97A0000-0x00007FFDEA261000-memory.dmp

      Filesize

      10.8MB

      Download

    • memory/4784-4-0x00007FFDE97A0000-0x00007FFDEA261000-memory.dmp

      Filesize

      10.8MB

      Download

    • memory/4784-5-0x00007FFDE97A0000-0x00007FFDEA261000-memory.dmp

      Filesize

      10.8MB

      Download

    • memory/4784-15-0x0000010BCA690000-0x0000010BCA6B2000-memory.dmp

      Filesize

      136KB

      Download

    • memory/4784-3-0x00007FFDE97A0000-0x00007FFDEA261000-memory.dmp

      Filesize

      10.8MB

      Download