Analysis

  • max time kernel
    1046s
  • max time network
    1050s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/12/2024, 20:35

General

  • Target

    XClient.exe

  • Size

    64KB

  • MD5

    f78aaa2ed14328c0566fb6ee84e9ca5d

  • SHA1

    32fdcc0eb824f46f41e21d5bc1bf0d3ec8e57a71

  • SHA256

    52dedc736371a5e6264336b06f8ed4ec60148eac2d4e53cb0184426e518fc0ef

  • SHA512

    22cac650566fe36f24dcdbb92f4cdd3e75e1597bfa7c8f90b174974f4bcbfe7826be0ebdf5fd4cd6949b724e155604baf4681fdec9d800f2270220f689e01029

  • SSDEEP

    1536:RtXfzM1SDy2ieLVzFuxb7+bYKU+QD716zufOYPDmZu5:77OWyGFuxb7+bY7nOYbX5

Malware Config

Extracted

Family

xworm

C2

guide-greatly.gl.at.ply.gg:16040

Attributes
  • Install_directory

    %LocalAppData%

  • install_file

    SecurityHealthSystray.exe

Signatures

  • Detect Xworm Payload 2 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Xworm family
  • Command and Scripting Interpreter: PowerShell 1 TTPs 8 IoCs

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

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Drops startup file 3 IoCs
  • Executes dropped EXE 8 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 18 IoCs
  • Suspicious use of AdjustPrivilegeToken 19 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 20 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.

Processes

  • C:\Users\Admin\AppData\Local\Temp\XClient.exe
    "C:\Users\Admin\AppData\Local\Temp\XClient.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:4644
    • 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.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2284
    • 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:3628
    • 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\SecurityHealthSystray.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3112
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'SecurityHealthSystray.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3128
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "SecurityHealthSystray" /tr "C:\Users\Admin\AppData\Local\SecurityHealthSystray.exe"
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:1816
  • C:\Users\Admin\AppData\Local\SecurityHealthSystray.exe
    C:\Users\Admin\AppData\Local\SecurityHealthSystray.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:3580
  • C:\Users\Admin\AppData\Local\SecurityHealthSystray.exe
    C:\Users\Admin\AppData\Local\SecurityHealthSystray.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:2116
  • C:\Users\Admin\AppData\Local\SecurityHealthSystray.exe
    C:\Users\Admin\AppData\Local\SecurityHealthSystray.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:3076
  • C:\Users\Admin\AppData\Local\SecurityHealthSystray.exe
    C:\Users\Admin\AppData\Local\SecurityHealthSystray.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:2412
  • C:\Users\Admin\AppData\Local\SecurityHealthSystray.exe
    C:\Users\Admin\AppData\Local\SecurityHealthSystray.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:428
  • C:\Users\Admin\AppData\Local\SecurityHealthSystray.exe
    C:\Users\Admin\AppData\Local\SecurityHealthSystray.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:2696
  • C:\Users\Admin\AppData\Local\SecurityHealthSystray.exe
    C:\Users\Admin\AppData\Local\SecurityHealthSystray.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:2112
  • C:\Users\Admin\AppData\Local\SecurityHealthSystray.exe
    C:\Users\Admin\AppData\Local\SecurityHealthSystray.exe
    1⤵
    • Checks computer location settings
    • Drops startup file
    • 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:1320
    • 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\SecurityHealthSystray.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1336
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'SecurityHealthSystray.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4008
    • 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\SecurityHealthSystray.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4792
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'SecurityHealthSystray.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3536
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "SecurityHealthSystray" /tr "C:\Users\Admin\AppData\Local\SecurityHealthSystray.exe"
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:1692

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    654B

    MD5

    2ff39f6c7249774be85fd60a8f9a245e

    SHA1

    684ff36b31aedc1e587c8496c02722c6698c1c4e

    SHA256

    e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced

    SHA512

    1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1

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

    Filesize

    2KB

    MD5

    d85ba6ff808d9e5444a4b369f5bc2730

    SHA1

    31aa9d96590fff6981b315e0b391b575e4c0804a

    SHA256

    84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

    SHA512

    8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

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

    Filesize

    944B

    MD5

    22f467133d6a167b781133de6925efdd

    SHA1

    00e48ecb19ae50d83db35c927d9c20e8050cd03e

    SHA256

    16befccb34aab49b0f3433954db6f741b4204c67461ea663701632c743c68d90

    SHA512

    7e8e05794aac484441f07967076ba669963483c1c71e14343dda11d6d164db44c74ad4760224be454b263be99137ddf23f637e3e69bfd870b54679e0bb9c17de

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

    Filesize

    944B

    MD5

    6d42b6da621e8df5674e26b799c8e2aa

    SHA1

    ab3ce1327ea1eeedb987ec823d5e0cb146bafa48

    SHA256

    5ab6a1726f425c6d0158f55eb8d81754ddedd51e651aa0a899a29b7a58619c4c

    SHA512

    53faffbda8a835bc1143e894c118c15901a5fd09cfc2224dd2f754c06dc794897315049a579b9a8382d4564f071576045aaaf824019b7139d939152dca38ce29

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

    Filesize

    944B

    MD5

    993af531f0b57e8128ec273731c3a8e2

    SHA1

    a42ea55876f4f390837dd2c95fb7ff2344b6e9e1

    SHA256

    fff934d70d813381536d272c5b8ac6ad70acd054267b13592da767c9bd1dda62

    SHA512

    bdf5970ff2ee314dc297fce5c0f44765e77acbf269cd9ad9e7448a391d5f80d66a0c5426f99bc3480851e8763413aa180b3b3b6b22ef0e86a365450cb8c334e4

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

    Filesize

    944B

    MD5

    28a4b014470142f34fdbbaf0bc8d9317

    SHA1

    bf6487c7127d9e396b343dbd652c3d96902e4fc4

    SHA256

    e3e552ac32773c5511eb60a159c709f475e8e066b9ffeef6d8f32df9899ef9b2

    SHA512

    08b7d6fd067fe3eda7135b4fdf57972eebd7b6f0436036001fbc06a4874555367ea896c0d76908e78263795224ea89ba1adb65a2870a3527e377c8acac9664e6

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

    Filesize

    944B

    MD5

    da5c82b0e070047f7377042d08093ff4

    SHA1

    89d05987cd60828cca516c5c40c18935c35e8bd3

    SHA256

    77a94ef8c4258445d538a6006ffadb05afdf888f6f044e1e5466b981a07f16c5

    SHA512

    7360311a3c97b73dd3f6d7179cd979e0e20d69f380d38292447e17e369087d9dd5acb66cd0cbdd95ac4bfb16e5a1b86825f835a8d45b14ea9812102cff59704b

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

    Filesize

    944B

    MD5

    22310ad6749d8cc38284aa616efcd100

    SHA1

    440ef4a0a53bfa7c83fe84326a1dff4326dcb515

    SHA256

    55b1d8021c4eb4c3c0d75e3ed7a4eb30cd0123e3d69f32eeb596fe4ffec05abf

    SHA512

    2ef08e2ee15bb86695fe0c10533014ffed76ececc6e579d299d3365fafb7627f53e32e600bb6d872b9f58aca94f8cb7e1e94cdfd14777527f7f0aa019d9c6def

  • C:\Users\Admin\AppData\Local\SecurityHealthSystray.exe

    Filesize

    64KB

    MD5

    f78aaa2ed14328c0566fb6ee84e9ca5d

    SHA1

    32fdcc0eb824f46f41e21d5bc1bf0d3ec8e57a71

    SHA256

    52dedc736371a5e6264336b06f8ed4ec60148eac2d4e53cb0184426e518fc0ef

    SHA512

    22cac650566fe36f24dcdbb92f4cdd3e75e1597bfa7c8f90b174974f4bcbfe7826be0ebdf5fd4cd6949b724e155604baf4681fdec9d800f2270220f689e01029

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_pseumyx4.2h3.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

    Filesize

    1KB

    MD5

    a6e284717291b02e4da4f9361e2de85d

    SHA1

    926284f697c0dbd7ead4cd20927a96e3891843db

    SHA256

    56fb8056a9739ba32e7e8c53a4ddf4537e1a49621751eaf23ff644f355ce09c4

    SHA512

    343cbfdcce1e988dcc204b0f8abf77980d1916e2e163754fd9cbb002004669666f352d6389d9f8b0bd6a2e9c43a4729fcaf0b15935e5e8e84c4f9ed7daa5c057

  • memory/2284-7-0x00000208EA0A0000-0x00000208EA0C2000-memory.dmp

    Filesize

    136KB

  • memory/2284-12-0x00007FFDE12E0000-0x00007FFDE1DA1000-memory.dmp

    Filesize

    10.8MB

  • memory/2284-14-0x00007FFDE12E0000-0x00007FFDE1DA1000-memory.dmp

    Filesize

    10.8MB

  • memory/2284-13-0x00007FFDE12E0000-0x00007FFDE1DA1000-memory.dmp

    Filesize

    10.8MB

  • memory/2284-18-0x00007FFDE12E0000-0x00007FFDE1DA1000-memory.dmp

    Filesize

    10.8MB

  • memory/2284-17-0x00007FFDE12E0000-0x00007FFDE1DA1000-memory.dmp

    Filesize

    10.8MB

  • memory/4644-0-0x00007FFDE12E3000-0x00007FFDE12E5000-memory.dmp

    Filesize

    8KB

  • memory/4644-57-0x00007FFDE12E0000-0x00007FFDE1DA1000-memory.dmp

    Filesize

    10.8MB

  • memory/4644-58-0x00007FFDE12E3000-0x00007FFDE12E5000-memory.dmp

    Filesize

    8KB

  • memory/4644-59-0x000000001C2F0000-0x000000001C2FC000-memory.dmp

    Filesize

    48KB

  • memory/4644-60-0x00007FFDE12E0000-0x00007FFDE1DA1000-memory.dmp

    Filesize

    10.8MB

  • memory/4644-74-0x00007FFDE12E0000-0x00007FFDE1DA1000-memory.dmp

    Filesize

    10.8MB

  • memory/4644-1-0x00000000009E0000-0x00000000009F6000-memory.dmp

    Filesize

    88KB