Analysis
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max time kernel
151s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
05/12/2022, 23:30
Static task
static1
Behavioral task
behavioral1
Sample
b4bc16f8caee058fc6bf74aeb2cc94e12a3398970f8962760db6d01e59920749.exe
Resource
win7-20221111-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
b4bc16f8caee058fc6bf74aeb2cc94e12a3398970f8962760db6d01e59920749.exe
Resource
win10v2004-20220901-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
b4bc16f8caee058fc6bf74aeb2cc94e12a3398970f8962760db6d01e59920749.exe
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Size
268KB
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MD5
19bf263d2532d221512d5eaf670dea30
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SHA1
a5e15cea73b651cbc84efcf1200c0853e9e8072b
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SHA256
b4bc16f8caee058fc6bf74aeb2cc94e12a3398970f8962760db6d01e59920749
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SHA512
9f1b3e953b4cb054a6bd716f0e7c5bc9d1981bcdbab36d5b65315f25aebf0ee99d94ef6ec06479b501b9d8422f502e676e106d3ebac8e1c5deb20bb1a7884836
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SSDEEP
3072:7sSQrIh3ZDY1zuBvLen8DlZniqBXv7yOsWvgbsmIHX0WRIh:7CMpW1qFy8xZnisyOs2tHEWRe
Score
10/10
Malware Config
Signatures
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Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" b4bc16f8caee058fc6bf74aeb2cc94e12a3398970f8962760db6d01e59920749.exe Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" xiuho.exe -
Executes dropped EXE 1 IoCs
pid Process 2496 xiuho.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-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation b4bc16f8caee058fc6bf74aeb2cc94e12a3398970f8962760db6d01e59920749.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xiuho = "C:\\Users\\Admin\\xiuho.exe /c" xiuho.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xiuho = "C:\\Users\\Admin\\xiuho.exe /x" xiuho.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xiuho = "C:\\Users\\Admin\\xiuho.exe /g" xiuho.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xiuho = "C:\\Users\\Admin\\xiuho.exe /l" xiuho.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xiuho = "C:\\Users\\Admin\\xiuho.exe /e" xiuho.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run\ b4bc16f8caee058fc6bf74aeb2cc94e12a3398970f8962760db6d01e59920749.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xiuho = "C:\\Users\\Admin\\xiuho.exe /n" xiuho.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xiuho = "C:\\Users\\Admin\\xiuho.exe /b" xiuho.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xiuho = "C:\\Users\\Admin\\xiuho.exe /h" xiuho.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xiuho = "C:\\Users\\Admin\\xiuho.exe /m" xiuho.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xiuho = "C:\\Users\\Admin\\xiuho.exe /z" xiuho.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xiuho = "C:\\Users\\Admin\\xiuho.exe /k" xiuho.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xiuho = "C:\\Users\\Admin\\xiuho.exe /t" xiuho.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xiuho = "C:\\Users\\Admin\\xiuho.exe /s" xiuho.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xiuho = "C:\\Users\\Admin\\xiuho.exe /r" xiuho.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xiuho = "C:\\Users\\Admin\\xiuho.exe /a" xiuho.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xiuho = "C:\\Users\\Admin\\xiuho.exe /j" xiuho.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xiuho = "C:\\Users\\Admin\\xiuho.exe /f" xiuho.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xiuho = "C:\\Users\\Admin\\xiuho.exe /o" xiuho.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xiuho = "C:\\Users\\Admin\\xiuho.exe /q" b4bc16f8caee058fc6bf74aeb2cc94e12a3398970f8962760db6d01e59920749.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run\ xiuho.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xiuho = "C:\\Users\\Admin\\xiuho.exe /q" xiuho.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xiuho = "C:\\Users\\Admin\\xiuho.exe /i" xiuho.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xiuho = "C:\\Users\\Admin\\xiuho.exe /u" xiuho.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xiuho = "C:\\Users\\Admin\\xiuho.exe /p" xiuho.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xiuho = "C:\\Users\\Admin\\xiuho.exe /d" xiuho.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xiuho = "C:\\Users\\Admin\\xiuho.exe /w" xiuho.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xiuho = "C:\\Users\\Admin\\xiuho.exe /v" xiuho.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xiuho = "C:\\Users\\Admin\\xiuho.exe /y" xiuho.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4788 b4bc16f8caee058fc6bf74aeb2cc94e12a3398970f8962760db6d01e59920749.exe 4788 b4bc16f8caee058fc6bf74aeb2cc94e12a3398970f8962760db6d01e59920749.exe 2496 xiuho.exe 2496 xiuho.exe 2496 xiuho.exe 2496 xiuho.exe 2496 xiuho.exe 2496 xiuho.exe 2496 xiuho.exe 2496 xiuho.exe 2496 xiuho.exe 2496 xiuho.exe 2496 xiuho.exe 2496 xiuho.exe 2496 xiuho.exe 2496 xiuho.exe 2496 xiuho.exe 2496 xiuho.exe 2496 xiuho.exe 2496 xiuho.exe 2496 xiuho.exe 2496 xiuho.exe 2496 xiuho.exe 2496 xiuho.exe 2496 xiuho.exe 2496 xiuho.exe 2496 xiuho.exe 2496 xiuho.exe 2496 xiuho.exe 2496 xiuho.exe 2496 xiuho.exe 2496 xiuho.exe 2496 xiuho.exe 2496 xiuho.exe 2496 xiuho.exe 2496 xiuho.exe 2496 xiuho.exe 2496 xiuho.exe 2496 xiuho.exe 2496 xiuho.exe 2496 xiuho.exe 2496 xiuho.exe 2496 xiuho.exe 2496 xiuho.exe 2496 xiuho.exe 2496 xiuho.exe 2496 xiuho.exe 2496 xiuho.exe 2496 xiuho.exe 2496 xiuho.exe 2496 xiuho.exe 2496 xiuho.exe 2496 xiuho.exe 2496 xiuho.exe 2496 xiuho.exe 2496 xiuho.exe 2496 xiuho.exe 2496 xiuho.exe 2496 xiuho.exe 2496 xiuho.exe 2496 xiuho.exe 2496 xiuho.exe 2496 xiuho.exe 2496 xiuho.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4788 b4bc16f8caee058fc6bf74aeb2cc94e12a3398970f8962760db6d01e59920749.exe 2496 xiuho.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4788 wrote to memory of 2496 4788 b4bc16f8caee058fc6bf74aeb2cc94e12a3398970f8962760db6d01e59920749.exe 81 PID 4788 wrote to memory of 2496 4788 b4bc16f8caee058fc6bf74aeb2cc94e12a3398970f8962760db6d01e59920749.exe 81 PID 4788 wrote to memory of 2496 4788 b4bc16f8caee058fc6bf74aeb2cc94e12a3398970f8962760db6d01e59920749.exe 81
Processes
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C:\Users\Admin\AppData\Local\Temp\b4bc16f8caee058fc6bf74aeb2cc94e12a3398970f8962760db6d01e59920749.exe"C:\Users\Admin\AppData\Local\Temp\b4bc16f8caee058fc6bf74aeb2cc94e12a3398970f8962760db6d01e59920749.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4788 -
C:\Users\Admin\xiuho.exe"C:\Users\Admin\xiuho.exe"2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:2496
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
268KB
MD5948219ad72aea545cd481e5d0911de4b
SHA18ebb86a2a73bc385ee08a5b7050b713158e75537
SHA256217fa35b156fc999ae27676429a3ba10f1c14a04dfa1081db7e25bc0495fc604
SHA512828ab64c74376bca54f146772762e941f11a037391d64b60536908f6050e52df82220de1ce42abb0d4aa7e8079a04ecaff5d0a715fbc41faaf0dc0bee88164f2
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Filesize
268KB
MD5948219ad72aea545cd481e5d0911de4b
SHA18ebb86a2a73bc385ee08a5b7050b713158e75537
SHA256217fa35b156fc999ae27676429a3ba10f1c14a04dfa1081db7e25bc0495fc604
SHA512828ab64c74376bca54f146772762e941f11a037391d64b60536908f6050e52df82220de1ce42abb0d4aa7e8079a04ecaff5d0a715fbc41faaf0dc0bee88164f2