Analysis

  • max time kernel
    1798s
  • max time network
    1800s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/11/2024, 02:27

General

  • Target

    WizClient.exe

  • Size

    71KB

  • MD5

    2e2fe18d037638e14c70fe14e28b5b3d

  • SHA1

    d3e8b9e4f2ada971da27c234aceb8272553bc0e0

  • SHA256

    22c6f07b96116766f7dea615493b245568b97ebff62f5a23726e0cc97849b551

  • SHA512

    81f1df51aef521fc812504f471d1055bd609cfef3ca8e17cab68a924aa62b759d34b1718fe17d661626d7a9b02a3d835004a6199db09dccff7dc4463dcec737a

  • SSDEEP

    1536:O9+yL5h7i4Wy/6efcbcM6hVufvMbzNUxXTeW63xmOXIwbmzI:0E+8AjVufUbzNXpmO9buI

Malware Config

Extracted

Family

xworm

C2

127.0.0.1:1234

Attributes
  • Install_directory

    %Userprofile%

  • install_file

    System32.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 3 IoCs

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

  • 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 29 IoCs
  • Adds Run key to start application 2 TTPs 1 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.

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

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

  • Suspicious behavior: EnumeratesProcesses 21 IoCs
  • Suspicious use of AdjustPrivilegeToken 39 IoCs
  • Suspicious use of FindShellTrayWindow 40 IoCs
  • Suspicious use of SendNotifyMessage 40 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.

Processes

  • C:\Users\Admin\AppData\Local\Temp\WizClient.exe
    "C:\Users\Admin\AppData\Local\Temp\WizClient.exe"
    1⤵
    • Checks computer location settings
    • Drops startup file
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1112
    • 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\WizClient.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4908
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'WizClient.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:964
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\WizClient.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4084
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "WizClient" /tr "C:\Users\Admin\WizClient.exe"
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:1964
  • C:\Users\Admin\WizClient.exe
    C:\Users\Admin\WizClient.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:3284
  • C:\Users\Admin\WizClient.exe
    C:\Users\Admin\WizClient.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:2648
  • C:\Users\Admin\WizClient.exe
    C:\Users\Admin\WizClient.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:5092
  • C:\Users\Admin\WizClient.exe
    C:\Users\Admin\WizClient.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:1560
  • C:\Users\Admin\WizClient.exe
    C:\Users\Admin\WizClient.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:820
  • C:\Users\Admin\WizClient.exe
    C:\Users\Admin\WizClient.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:1524
  • 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:4632
  • C:\Users\Admin\WizClient.exe
    C:\Users\Admin\WizClient.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:1860
  • C:\Users\Admin\WizClient.exe
    C:\Users\Admin\WizClient.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:4272
  • C:\Users\Admin\WizClient.exe
    C:\Users\Admin\WizClient.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:2248
  • C:\Users\Admin\WizClient.exe
    C:\Users\Admin\WizClient.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:3036
  • C:\Users\Admin\WizClient.exe
    C:\Users\Admin\WizClient.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:1028
  • C:\Users\Admin\WizClient.exe
    C:\Users\Admin\WizClient.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:2360
  • C:\Users\Admin\WizClient.exe
    C:\Users\Admin\WizClient.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:1680
  • C:\Users\Admin\WizClient.exe
    C:\Users\Admin\WizClient.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:2112
  • C:\Users\Admin\WizClient.exe
    C:\Users\Admin\WizClient.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:3068
  • C:\Users\Admin\WizClient.exe
    C:\Users\Admin\WizClient.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:3080
  • C:\Users\Admin\WizClient.exe
    C:\Users\Admin\WizClient.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:4532
  • C:\Users\Admin\WizClient.exe
    C:\Users\Admin\WizClient.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:3420
  • C:\Users\Admin\WizClient.exe
    C:\Users\Admin\WizClient.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:436
  • C:\Users\Admin\WizClient.exe
    C:\Users\Admin\WizClient.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:440
  • C:\Users\Admin\WizClient.exe
    C:\Users\Admin\WizClient.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:4672
  • C:\Users\Admin\WizClient.exe
    C:\Users\Admin\WizClient.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:3112
  • C:\Users\Admin\WizClient.exe
    C:\Users\Admin\WizClient.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:5036
  • C:\Users\Admin\WizClient.exe
    C:\Users\Admin\WizClient.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:4272
  • C:\Users\Admin\WizClient.exe
    C:\Users\Admin\WizClient.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:2240
  • C:\Users\Admin\WizClient.exe
    C:\Users\Admin\WizClient.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:4796
  • C:\Users\Admin\WizClient.exe
    C:\Users\Admin\WizClient.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:2204
  • C:\Users\Admin\WizClient.exe
    C:\Users\Admin\WizClient.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:412
  • C:\Users\Admin\WizClient.exe
    C:\Users\Admin\WizClient.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:1028

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    77d622bb1a5b250869a3238b9bc1402b

    SHA1

    d47f4003c2554b9dfc4c16f22460b331886b191b

    SHA256

    f97ff12a8abf4bf88bb6497bd2ac2da12628c8847a8ba5a9026bdbb76507cdfb

    SHA512

    d6789b5499f23c9035375a102271e17a8a82e57d6f5312fa24242e08a83efdeb8becb7622f55c4cf1b89c7d864b445df11f4d994cf7e2f87a900535bcca12fd9

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

    Filesize

    944B

    MD5

    cae60f0ddddac635da71bba775a2c5b4

    SHA1

    386f1a036af61345a7d303d45f5230e2df817477

    SHA256

    b2dd636b7b0d3bfe44cef5e1175828b1fa7bd84d5563f54342944156ba996c16

    SHA512

    28ed8a8bc132ef56971cfd7b517b17cdb74a7f8c247ef6bff232996210075e06aa58a415825a1e038cfb547ad3dc6882bf1ca1b68c5b360ef0512a1440850253

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_la0j33p0.tje.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

    Filesize

    788B

    MD5

    f512c0fdb2e3a48047d5778299f92f54

    SHA1

    d225babcb952e5c54cfc74781cd0b2db35cc31ea

    SHA256

    dcfe1e2775f49691d54f6321b33de96cb29a71790047427290ad331ecb866699

    SHA512

    5c973bb42de504876885de2e33048b6920f2fdfa5853a06eb548a3bd4f0556431748425836d7d9cc9f9880dc1e3b1e0648698a1ac02a0c66bb7917ee5c74e6d7

  • C:\Users\Admin\WizClient.exe

    Filesize

    71KB

    MD5

    2e2fe18d037638e14c70fe14e28b5b3d

    SHA1

    d3e8b9e4f2ada971da27c234aceb8272553bc0e0

    SHA256

    22c6f07b96116766f7dea615493b245568b97ebff62f5a23726e0cc97849b551

    SHA512

    81f1df51aef521fc812504f471d1055bd609cfef3ca8e17cab68a924aa62b759d34b1718fe17d661626d7a9b02a3d835004a6199db09dccff7dc4463dcec737a

  • memory/1112-46-0x00007FFF96F53000-0x00007FFF96F55000-memory.dmp

    Filesize

    8KB

  • memory/1112-1-0x0000000000030000-0x0000000000048000-memory.dmp

    Filesize

    96KB

  • memory/1112-2-0x00007FFF96F50000-0x00007FFF97A11000-memory.dmp

    Filesize

    10.8MB

  • memory/1112-0-0x00007FFF96F53000-0x00007FFF96F55000-memory.dmp

    Filesize

    8KB

  • memory/1112-51-0x00007FFF96F50000-0x00007FFF97A11000-memory.dmp

    Filesize

    10.8MB

  • memory/4632-64-0x0000019959650000-0x0000019959651000-memory.dmp

    Filesize

    4KB

  • memory/4632-71-0x0000019959650000-0x0000019959651000-memory.dmp

    Filesize

    4KB

  • memory/4632-69-0x0000019959650000-0x0000019959651000-memory.dmp

    Filesize

    4KB

  • memory/4632-68-0x0000019959650000-0x0000019959651000-memory.dmp

    Filesize

    4KB

  • memory/4632-62-0x0000019959650000-0x0000019959651000-memory.dmp

    Filesize

    4KB

  • memory/4632-63-0x0000019959650000-0x0000019959651000-memory.dmp

    Filesize

    4KB

  • memory/4632-70-0x0000019959650000-0x0000019959651000-memory.dmp

    Filesize

    4KB

  • memory/4632-72-0x0000019959650000-0x0000019959651000-memory.dmp

    Filesize

    4KB

  • memory/4632-74-0x0000019959650000-0x0000019959651000-memory.dmp

    Filesize

    4KB

  • memory/4632-73-0x0000019959650000-0x0000019959651000-memory.dmp

    Filesize

    4KB

  • memory/4908-18-0x00007FFF96F50000-0x00007FFF97A11000-memory.dmp

    Filesize

    10.8MB

  • memory/4908-13-0x00007FFF96F50000-0x00007FFF97A11000-memory.dmp

    Filesize

    10.8MB

  • memory/4908-14-0x00007FFF96F50000-0x00007FFF97A11000-memory.dmp

    Filesize

    10.8MB

  • memory/4908-15-0x00007FFF96F50000-0x00007FFF97A11000-memory.dmp

    Filesize

    10.8MB

  • memory/4908-8-0x0000029ABB820000-0x0000029ABB842000-memory.dmp

    Filesize

    136KB