Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
31/10/2024, 03:24
Behavioral task
behavioral1
Sample
WizClient2.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
WizClient2.exe
Resource
win10v2004-20241007-en
General
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Target
WizClient2.exe
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Size
75KB
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MD5
f19b33379b749f757bb47c0866af8808
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SHA1
a6c2232d04376cbe0ce75ac09bd7d86477b4a5da
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SHA256
2aebedd83903b137349f36ffb767c5ddfaa5aa0168b980203895546fe71f2103
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SHA512
c19b8b2ea1f93e4d0639aabad12bed369ae6cf198f5b0d8d471c64a1cbcec4a1837ce93c5cbc86ee6a68bca440cb2c0fa8fe5e7e963c18165ffa3ab01e173a11
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SSDEEP
1536:pfJ0uhhgY+OGijd//2TJ17MZab2p7gSb3NzuNU5/nU6i6JbKcOOLepntw:pfJ0mYOGijd/eV1mab2Bjb3NzaU5FZOq
Malware Config
Extracted
xworm
fe80::edf5:92cd:756d:3fbd%9:5552
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Install_directory
%AppData%
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install_file
USB.exe
Signatures
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Detect Xworm Payload 2 IoCs
resource yara_rule behavioral2/memory/1692-1-0x00000000008A0000-0x00000000008BA000-memory.dmp family_xworm behavioral2/files/0x0012000000023b58-49.dat family_xworm -
Xworm family
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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.
pid Process 4448 powershell.exe 3860 powershell.exe 5000 powershell.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation WizClient2.exe -
Drops startup file 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\WizClient2.lnk WizClient2.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\WizClient2.lnk WizClient2.exe -
Executes dropped EXE 3 IoCs
pid Process 2400 WizClient2.exe 3676 WizClient2.exe 2172 WizClient2.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WizClient2 = "C:\\Users\\Admin\\AppData\\Roaming\\WizClient2.exe" WizClient2.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2620 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 7 IoCs
pid Process 5000 powershell.exe 5000 powershell.exe 4448 powershell.exe 4448 powershell.exe 3860 powershell.exe 3860 powershell.exe 1692 WizClient2.exe -
Suspicious use of AdjustPrivilegeToken 8 IoCs
description pid Process Token: SeDebugPrivilege 1692 WizClient2.exe Token: SeDebugPrivilege 5000 powershell.exe Token: SeDebugPrivilege 4448 powershell.exe Token: SeDebugPrivilege 3860 powershell.exe Token: SeDebugPrivilege 1692 WizClient2.exe Token: SeDebugPrivilege 2400 WizClient2.exe Token: SeDebugPrivilege 3676 WizClient2.exe Token: SeDebugPrivilege 2172 WizClient2.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1692 WizClient2.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1692 wrote to memory of 5000 1692 WizClient2.exe 88 PID 1692 wrote to memory of 5000 1692 WizClient2.exe 88 PID 1692 wrote to memory of 4448 1692 WizClient2.exe 90 PID 1692 wrote to memory of 4448 1692 WizClient2.exe 90 PID 1692 wrote to memory of 3860 1692 WizClient2.exe 92 PID 1692 wrote to memory of 3860 1692 WizClient2.exe 92 PID 1692 wrote to memory of 2620 1692 WizClient2.exe 98 PID 1692 wrote to memory of 2620 1692 WizClient2.exe 98 -
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
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C:\Users\Admin\AppData\Local\Temp\WizClient2.exe"C:\Users\Admin\AppData\Local\Temp\WizClient2.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:1692 -
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\WizClient2.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5000
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'WizClient2.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4448
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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\WizClient2.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3860
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C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "WizClient2" /tr "C:\Users\Admin\AppData\Roaming\WizClient2.exe"2⤵
- Scheduled Task/Job: Scheduled Task
PID:2620
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C:\Users\Admin\AppData\Roaming\WizClient2.exeC:\Users\Admin\AppData\Roaming\WizClient2.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2400
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C:\Users\Admin\AppData\Roaming\WizClient2.exeC:\Users\Admin\AppData\Roaming\WizClient2.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3676
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C:\Users\Admin\AppData\Roaming\WizClient2.exeC:\Users\Admin\AppData\Roaming\WizClient2.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2172
Network
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
654B
MD52ff39f6c7249774be85fd60a8f9a245e
SHA1684ff36b31aedc1e587c8496c02722c6698c1c4e
SHA256e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced
SHA5121d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1
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Filesize
2KB
MD5d85ba6ff808d9e5444a4b369f5bc2730
SHA131aa9d96590fff6981b315e0b391b575e4c0804a
SHA25684739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
SHA5128c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249
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Filesize
944B
MD577d622bb1a5b250869a3238b9bc1402b
SHA1d47f4003c2554b9dfc4c16f22460b331886b191b
SHA256f97ff12a8abf4bf88bb6497bd2ac2da12628c8847a8ba5a9026bdbb76507cdfb
SHA512d6789b5499f23c9035375a102271e17a8a82e57d6f5312fa24242e08a83efdeb8becb7622f55c4cf1b89c7d864b445df11f4d994cf7e2f87a900535bcca12fd9
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Filesize
944B
MD515dde0683cd1ca19785d7262f554ba93
SHA1d039c577e438546d10ac64837b05da480d06bf69
SHA256d6fa39eab7ee36f44dc3f9f2839d098433db95c1eba924e4bcf4e5c0d268d961
SHA51257c0e1b87bc1c136f0d39f3ce64bb8f8274a0491e4ca6e45e5c7f9070aa9d9370c6f590ce37cd600b252df2638d870205249a514c43245ca7ed49017024a4672
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
75KB
MD5f19b33379b749f757bb47c0866af8808
SHA1a6c2232d04376cbe0ce75ac09bd7d86477b4a5da
SHA2562aebedd83903b137349f36ffb767c5ddfaa5aa0168b980203895546fe71f2103
SHA512c19b8b2ea1f93e4d0639aabad12bed369ae6cf198f5b0d8d471c64a1cbcec4a1837ce93c5cbc86ee6a68bca440cb2c0fa8fe5e7e963c18165ffa3ab01e173a11