Analysis

  • max time kernel
    146s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    21-11-2024 09:12

General

  • Target

    FULLOPTION.exe

  • Size

    4.7MB

  • MD5

    9907f1198b7ef415b03810f28cd1b32f

  • SHA1

    df6773b58ddd0de1bad25ce141431b1805011ea9

  • SHA256

    16b9779bc79413bbfa3194a7cf406635548c03b4f7ebdce230aa88dc6bf01da0

  • SHA512

    4dd1af5964cbc6fd3c3f1b4ee3809d4286d193e9f3839599ccb718aad150d460fbeffa592e3d5b6d45c717c5328dd48853e7fdbcc4e8e7613a8799d05f20b474

  • SSDEEP

    98304:CS183Lm2l1laOmBSHmhRMI7f/1Z6p81tznH3AHI2O9eoSSM:CS183Lm2l1laOm7zdqCtzH3YXo

Malware Config

Extracted

Family

xworm

C2

45.141.27.222:5000

127.0.0.1:7000

Attributes
  • Install_directory

    %AppData%

  • install_file

    Updete.exe

Signatures

  • Detect Xworm Payload 8 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Xworm family
  • Command and Scripting Interpreter: PowerShell 1 TTPs 14 IoCs

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

  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 3 IoCs
  • Looks up external IP address via web service 4 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: EnumeratesProcesses 60 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 23 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 57 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\FULLOPTION.exe
    "C:\Users\Admin\AppData\Local\Temp\FULLOPTION.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2540
    • C:\Users\Admin\AppData\Roaming\FULLOPTION.exe
      "C:\Users\Admin\AppData\Roaming\FULLOPTION.exe"
      2⤵
      • Executes dropped EXE
      PID:2244
    • C:\Users\Admin\AppData\Roaming\svchot.exe
      "C:\Users\Admin\AppData\Roaming\svchot.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2708
      • 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\svchot.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1700
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'svchot.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1820
      • 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\Updete.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1640
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Updete.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2780
    • C:\Users\Admin\AppData\Roaming\Steam.exe
      "C:\Users\Admin\AppData\Roaming\Steam.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1868
      • 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\Steam.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1968
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Steam.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1204
      • 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\Updete.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1896
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Updete.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2868
    • C:\Users\Admin\AppData\Roaming\microsoft.exe
      "C:\Users\Admin\AppData\Roaming\microsoft.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:336
      • 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\microsoft.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2160
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'microsoft.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1536
      • 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\Updete.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1416
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Updete.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:540
    • C:\Users\Admin\AppData\Roaming\XClient.exe
      "C:\Users\Admin\AppData\Roaming\XClient.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2240
      • 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'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3056
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'XClient.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1512
  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe" /4
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:2192

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    7KB

    MD5

    204cd0db85f87c6ae75e47c9bfb173ac

    SHA1

    1ad91c7ed931065896e1ef2c1caf8246568e5426

    SHA256

    f21fadb9a46e887ed7e440ca51fc1644d1665e5b886c9c3897ec9188f533ecd5

    SHA512

    f0c6fd16531bbc987964b5d79716c263f61edaa99f9fd68951d3416b5349745708fc7391a2db25b0a165f17b61a09067fa01a9337bfd074b41dfc0e7c82466a6

  • C:\Users\Admin\AppData\Roaming\Steam.exe

    Filesize

    334KB

    MD5

    ceee3ecf024a112ccf7961913269e427

    SHA1

    00841649617162fb1e3304a5c6bc762112c7028d

    SHA256

    2e255762f2d6e14d0f6ef93236162c4534ff47982ed21fe99bf6bee825916a47

    SHA512

    764f4c1e4b5c1a91d6256c2ef23559e8387b0d90360a902ff0a7cb31f2a4031d348f3b9648e1e50b9608be6eab7dfec5bfc928373e66682faf37ffd57db630f7

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

    Filesize

    69KB

    MD5

    28aa93aefb55bdcd6e10d47b0cf4b2ff

    SHA1

    81d9c21e1805ac54f193c3e4003a185c4284101c

    SHA256

    c5096e65190e515dfd7b967d3c06688d245302947f70be95275f35a9be11232f

    SHA512

    301af3bce98c32db8444cde3876a47f86dac119d814ff4b2b1a6f2bd5952c568343af5ec4bf104d9983f4992c33f57ee566d81ad4c7b3317b5f4a478e732c1f7

  • C:\Users\Admin\AppData\Roaming\microsoft.exe

    Filesize

    134KB

    MD5

    35ca2bf30d29985371c77c07021e285b

    SHA1

    306022fe7d67cca4d750498955ba7d2d5150c1cb

    SHA256

    93b744a61c81e0590a26abb9a47d3fec6b50f5f6216f20addcbed0359b875c09

    SHA512

    abd65455ae801ff4e6c03196142676faf1dcf58e9b20b24f2c701542aba1d13914a44009da53913234e2784cb2b912ee1fa2a952e0057b2cd3432e8b2253c927

  • C:\Users\Admin\AppData\Roaming\svchot.exe

    Filesize

    72KB

    MD5

    72e2cdeaa842da4806f61f23400fd44d

    SHA1

    319c3b0e92f9ef6f1b6f2067ed4779a15d9b07a9

    SHA256

    884fc2ad543fa83521c479d97d8c3a61c4fea9d2e856f4e7525aaad2c544c6dd

    SHA512

    cf81797b53aca5c56724b1c171968421e5d327e6af776c8f09f1966f8073e80e018e689bba8aa090b3a92db644d2fed5861512135962ddcadd64ce9a44e70d7d

  • \??\PIPE\srvsvc

    MD5

    d41d8cd98f00b204e9800998ecf8427e

    SHA1

    da39a3ee5e6b4b0d3255bfef95601890afd80709

    SHA256

    e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

    SHA512

    cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

  • \Users\Admin\AppData\Roaming\FULLOPTION.exe

    Filesize

    3.8MB

    MD5

    1dcdd77ba8afe481b4af754876f70ee8

    SHA1

    322ac691dc8b990ccb94f66f43a1b98f4d1eb299

    SHA256

    e5f2c31e3b741665821670118a78692cd1f44a349ad20007c0628fa3fb307734

    SHA512

    ee67e29bfd257329a29a07bfdb629acecec718a9afb62fe87d3a4ff08074dad6176cc65eef15dece4b11c0f1e61df11912faa0da9f88b36c59bdbfc4d50bf1e3

  • memory/336-27-0x0000000000940000-0x0000000000968000-memory.dmp

    Filesize

    160KB

  • memory/1700-41-0x000000001B770000-0x000000001BA52000-memory.dmp

    Filesize

    2.9MB

  • memory/1868-29-0x0000000001360000-0x00000000013BA000-memory.dmp

    Filesize

    360KB

  • memory/2192-112-0x0000000140000000-0x00000001405E8000-memory.dmp

    Filesize

    5.9MB

  • memory/2192-114-0x0000000140000000-0x00000001405E8000-memory.dmp

    Filesize

    5.9MB

  • memory/2192-113-0x0000000140000000-0x00000001405E8000-memory.dmp

    Filesize

    5.9MB

  • memory/2240-30-0x0000000000220000-0x0000000000238000-memory.dmp

    Filesize

    96KB

  • memory/2540-1-0x0000000001210000-0x00000000016BE000-memory.dmp

    Filesize

    4.7MB

  • memory/2540-0-0x000007FEF61C3000-0x000007FEF61C4000-memory.dmp

    Filesize

    4KB

  • memory/2708-111-0x000007FEF61C0000-0x000007FEF6BAC000-memory.dmp

    Filesize

    9.9MB

  • memory/2708-14-0x00000000003A0000-0x00000000003B8000-memory.dmp

    Filesize

    96KB

  • memory/2708-31-0x000007FEF61C0000-0x000007FEF6BAC000-memory.dmp

    Filesize

    9.9MB

  • memory/2868-95-0x000000001B620000-0x000000001B902000-memory.dmp

    Filesize

    2.9MB

  • memory/2868-96-0x00000000027D0000-0x00000000027D8000-memory.dmp

    Filesize

    32KB

  • memory/3056-43-0x0000000002810000-0x0000000002818000-memory.dmp

    Filesize

    32KB