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Overview

overview

10

Static

static

10

patch for ...0b.exe

windows7-x64

patch for ...0b.exe

windows10-2004-x64

Analysis

  • max time kernel
    28s
  • max time network
    34s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/05/2024, 22:06

Sharing

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Errors

Reason
Machine shutdown
Report Analysis Logs

General

  • Target

    patch for version-d8aa63d3654646d0b.exe

  • Size

    82KB

  • MD5

    3e38bec199f483f558b0330030c4165b

  • SHA1

    5de15adf326e0827ac1162ba5c13648691bd46ca

  • SHA256

    7493e1a3a07f3e5ab65faa623d7c228360e4f3fc3492a5cbf69f1bd1e61da100

  • SHA512

    ebaa9fe2a723d5c77ed4caf6bae973dabdd3da7725b3439fe18d2410a7df7d206d49b3dd506d8ce5e9db0f2bda16a96ff16edd4e2d92fd17b9ec7d993889a802

  • SSDEEP

    1536:dB7gCNuU8ZsEuE0toc3zTB8Xo2FtsCQ7OGCnbSCUUSbK9mXSB6VPZ+bOWgu6Wxh+:dBpP8DqtvDTMqCO6nbSL7+97zbOWguhG

Score
10/10
xwormexecutionpersistencerattrojan

Malware Config

Extracted

Family

xworm

Attributes
  • Install_directory

    %AppData%

  • install_file

    win32.exe

  • pastebin_url

    https://pastebin.com/raw/CxfMChwY

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
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs
  • 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.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

    persistence
  • Modifies data under HKEY_USERS 15 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 43 IoCs
  • Suspicious use of AdjustPrivilegeToken 9 IoCs
  • Suspicious use of FindShellTrayWindow 37 IoCs
  • Suspicious use of SendNotifyMessage 37 IoCs
  • Suspicious use of SetWindowsHookEx 2 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\patch for version-d8aa63d3654646d0b.exe
    "C:\Users\Admin\AppData\Local\Temp\patch for version-d8aa63d3654646d0b.exe"
    1⤵
    • Checks computer location settings
    • Drops startup file
    • Adds Run key to start application
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:512
    • 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\patch for version-d8aa63d3654646d0b.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4488
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'patch for version-d8aa63d3654646d0b.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4012
    • 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\win32.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:808
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'win32.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3804
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "win32" /tr "C:\Users\Admin\AppData\Roaming\win32.exe"
      2⤵
      • Creates scheduled task(s)
      PID:3460
  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe" /4
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:3768
  • 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 --no-appcompat-clear --field-trial-handle=4356,i,4686244434963378549,11462511444150484980,262144 --variations-seed-version --mojo-platform-channel-handle=1404 /prefetch:8
    1⤵
      PID:3972
    • C:\Windows\system32\LogonUI.exe
      "LogonUI.exe" /flags:0x4 /state0:0xa3924855 /state1:0x41c64e6d
      1⤵
      • Modifies data under HKEY_USERS
      • Suspicious use of SetWindowsHookEx
      PID:5284

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • 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

      d28a889fd956d5cb3accfbaf1143eb6f

      SHA1

      157ba54b365341f8ff06707d996b3635da8446f7

      SHA256

      21e5d7ccf80a293e6ba30ed728846ca19c929c52b96e2c8d34e27cd2234f1d45

      SHA512

      0b6d88deb9be85722e6a78d5886d49f2caf407a59e128d2b4ed74c1356f9928c40048a62731959f2460e9ff9d9feee311043d2a37abe3bb92c2b76a44281478c

      Download Submit

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

      944B

      MD5

      cae60f0ddddac635da71bba775a2c5b4

      SHA1

      386f1a036af61345a7d303d45f5230e2df817477

      SHA256

      b2dd636b7b0d3bfe44cef5e1175828b1fa7bd84d5563f54342944156ba996c16

      SHA512

      28ed8a8bc132ef56971cfd7b517b17cdb74a7f8c247ef6bff232996210075e06aa58a415825a1e038cfb547ad3dc6882bf1ca1b68c5b360ef0512a1440850253

      Download Submit

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

      944B

      MD5

      ba169f4dcbbf147fe78ef0061a95e83b

      SHA1

      92a571a6eef49fff666e0f62a3545bcd1cdcda67

      SHA256

      5ef1421e19fde4bc03cd825dd7d6c0e7863f85fd8f0aa4a4d4f8d555dc7606d1

      SHA512

      8d2e5e552210dcda684682538bc964fdd8a8ff5b24cc2cc8af813729f0202191f98eb42d38d2355df17ae620fe401aad6ceaedaed3b112fdacd32485a3a0c07c

      Download Submit

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_mkzsebzo.szt.ps1
      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      Download Submit

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\win32.lnk
      Filesize

      759B

      MD5

      74cee08ad743d1c4da11cdee94c0bd83

      SHA1

      3dad8d1ec6e74cdfc7fb2b7b63941cd825644c4d

      SHA256

      e4e6dc8d1e59378b1a391f74d0e43b94164f293a84561e687b3afd1971082351

      SHA512

      19b0d09a6297040ebac68b66386ed7d9fbd35bbb463e699ca8719b6415b6f95c6dfa6ee609adaf79feb2e402ea9521e284ecd5caab966f39555bbb1553daaed9

      Download Submit

    • C:\Users\Admin\AppData\Roaming\win32.exe
      Filesize

      82KB

      MD5

      3e38bec199f483f558b0330030c4165b

      SHA1

      5de15adf326e0827ac1162ba5c13648691bd46ca

      SHA256

      7493e1a3a07f3e5ab65faa623d7c228360e4f3fc3492a5cbf69f1bd1e61da100

      SHA512

      ebaa9fe2a723d5c77ed4caf6bae973dabdd3da7725b3439fe18d2410a7df7d206d49b3dd506d8ce5e9db0f2bda16a96ff16edd4e2d92fd17b9ec7d993889a802

      Download Submit

    • memory/512-0-0x0000000000780000-0x000000000079A000-memory.dmp

      Filesize

      104KB

      Download

    • memory/512-2-0x00007FFFE5380000-0x00007FFFE5E41000-memory.dmp

      Filesize

      10.8MB

      Download

    • memory/512-69-0x00007FFFE5380000-0x00007FFFE5E41000-memory.dmp

      Filesize

      10.8MB

      Download

    • memory/512-68-0x00007FFFE5383000-0x00007FFFE5385000-memory.dmp

      Filesize

      8KB

      Download

    • memory/512-1-0x00007FFFE5383000-0x00007FFFE5385000-memory.dmp

      Filesize

      8KB

      Download

    • memory/3768-3-0x0000021083C50000-0x0000021083C51000-memory.dmp

      Filesize

      4KB

      Download

    • memory/3768-9-0x0000021083C50000-0x0000021083C51000-memory.dmp

      Filesize

      4KB

      Download

    • memory/3768-10-0x0000021083C50000-0x0000021083C51000-memory.dmp

      Filesize

      4KB

      Download

    • memory/3768-11-0x0000021083C50000-0x0000021083C51000-memory.dmp

      Filesize

      4KB

      Download

    • memory/3768-12-0x0000021083C50000-0x0000021083C51000-memory.dmp

      Filesize

      4KB

      Download

    • memory/3768-13-0x0000021083C50000-0x0000021083C51000-memory.dmp

      Filesize

      4KB

      Download

    • memory/3768-14-0x0000021083C50000-0x0000021083C51000-memory.dmp

      Filesize

      4KB

      Download

    • memory/3768-15-0x0000021083C50000-0x0000021083C51000-memory.dmp

      Filesize

      4KB

      Download

    • memory/3768-4-0x0000021083C50000-0x0000021083C51000-memory.dmp

      Filesize

      4KB

      Download

    • memory/3768-5-0x0000021083C50000-0x0000021083C51000-memory.dmp

      Filesize

      4KB

      Download

    • memory/4488-21-0x0000021DDEDC0000-0x0000021DDEDE2000-memory.dmp

      Filesize

      136KB

      Download