Analysis
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max time kernel
150s -
max time network
149s -
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, 03:15
Behavioral task
behavioral1
Sample
WizClient.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
WizClient.exe
Resource
win10v2004-20241007-en
General
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Target
WizClient.exe
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Size
74KB
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MD5
69cad671f60367927329bbd20f91bed7
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SHA1
9aa6c82982591ebc0c64cc94d2efaac7378bde86
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SHA256
dc94e48f4fd4cdf8049e6ac2ea9b65df93936015c50e26d0c8d6b2217e7d539b
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SHA512
bb4a49b2eada56d9d9c0fd7b7464447460e7bb84c6416f632295197562e65a456d33099799d3083684c45150ad362d036ee0eb843745272d5accab5ff9a525f4
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SSDEEP
1536:ObGA+5D6BRZ2Ka+QRPPN7cmKuZbN5NTEkIG6QOj89RnXqDnnl:ObGpsBRZ4d9bZbN3EAOA9RnXqLl
Malware Config
Extracted
xworm
141.98.252.138.224:5552
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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/1988-1-0x00000000001F0000-0x0000000000208000-memory.dmp family_xworm behavioral2/files/0x0014000000023af4-46.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 412 powershell.exe 220 powershell.exe 336 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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation WizClient.exe -
Drops startup file 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\WizClient.lnk WizClient.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\WizClient.lnk WizClient.exe -
Executes dropped EXE 3 IoCs
pid Process 1408 WizClient.exe 1476 WizClient.exe 4640 WizClient.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WizClient = "C:\\Users\\Admin\\AppData\\Roaming\\WizClient.exe" WizClient.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 4416 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 7 IoCs
pid Process 336 powershell.exe 336 powershell.exe 412 powershell.exe 412 powershell.exe 220 powershell.exe 220 powershell.exe 1988 WizClient.exe -
Suspicious use of AdjustPrivilegeToken 8 IoCs
description pid Process Token: SeDebugPrivilege 1988 WizClient.exe Token: SeDebugPrivilege 336 powershell.exe Token: SeDebugPrivilege 412 powershell.exe Token: SeDebugPrivilege 220 powershell.exe Token: SeDebugPrivilege 1988 WizClient.exe Token: SeDebugPrivilege 1408 WizClient.exe Token: SeDebugPrivilege 1476 WizClient.exe Token: SeDebugPrivilege 4640 WizClient.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1988 WizClient.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1988 wrote to memory of 336 1988 WizClient.exe 90 PID 1988 wrote to memory of 336 1988 WizClient.exe 90 PID 1988 wrote to memory of 412 1988 WizClient.exe 92 PID 1988 wrote to memory of 412 1988 WizClient.exe 92 PID 1988 wrote to memory of 220 1988 WizClient.exe 96 PID 1988 wrote to memory of 220 1988 WizClient.exe 96 PID 1988 wrote to memory of 4416 1988 WizClient.exe 100 PID 1988 wrote to memory of 4416 1988 WizClient.exe 100 -
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\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 behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1988 -
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:336
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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 'WizClient.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:412
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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\WizClient.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:220
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C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "WizClient" /tr "C:\Users\Admin\AppData\Roaming\WizClient.exe"2⤵
- Scheduled Task/Job: Scheduled Task
PID:4416
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C:\Users\Admin\AppData\Roaming\WizClient.exeC:\Users\Admin\AppData\Roaming\WizClient.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1408
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C:\Users\Admin\AppData\Roaming\WizClient.exeC:\Users\Admin\AppData\Roaming\WizClient.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1476
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C:\Users\Admin\AppData\Roaming\WizClient.exeC:\Users\Admin\AppData\Roaming\WizClient.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4640
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
MD55cfe303e798d1cc6c1dab341e7265c15
SHA1cd2834e05191a24e28a100f3f8114d5a7708dc7c
SHA256c4d16552769ca1762f6867bce85589c645ac3dc490b650083d74f853f898cfab
SHA512ef151bbe0033a2caf2d40aff74855a3f42c8171e05a11c8ce93c7039d9430482c43fe93d9164ee94839aff253cad774dbf619dde9a8af38773ca66d59ac3400e
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
74KB
MD569cad671f60367927329bbd20f91bed7
SHA19aa6c82982591ebc0c64cc94d2efaac7378bde86
SHA256dc94e48f4fd4cdf8049e6ac2ea9b65df93936015c50e26d0c8d6b2217e7d539b
SHA512bb4a49b2eada56d9d9c0fd7b7464447460e7bb84c6416f632295197562e65a456d33099799d3083684c45150ad362d036ee0eb843745272d5accab5ff9a525f4