Analysis
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max time kernel
151s -
max time network
109s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
07-12-2022 02:59
Static task
static1
Behavioral task
behavioral1
Sample
3329b98ced463be5b9384c8d968c9e1ca0e9c4fca72db02060be0abe7af606f8.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
3329b98ced463be5b9384c8d968c9e1ca0e9c4fca72db02060be0abe7af606f8.exe
Resource
win10v2004-20220901-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
3329b98ced463be5b9384c8d968c9e1ca0e9c4fca72db02060be0abe7af606f8.exe
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Size
336KB
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MD5
3ec23acc5815e8a01d87eb8fcee18bd6
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SHA1
3a09a561a06be1eedc017f409786e48fdab430a8
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SHA256
3329b98ced463be5b9384c8d968c9e1ca0e9c4fca72db02060be0abe7af606f8
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SHA512
2299869d87733e735d0f26855672ee2e8d68245f87b3aa68ccf2cea38f69d768b1483d593587fe58bf22688a436984c76abb7388af6cb14347c9872163bc9cb4
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SSDEEP
6144:wygkz2+RltuYb4NEzrVCU8TCOqHaC6Y6EX+mnqcXZWgbp1GOs:aIZRltF4NEzrVCU8Tzq6C6Y6EX+mqcXI
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" 3329b98ced463be5b9384c8d968c9e1ca0e9c4fca72db02060be0abe7af606f8.exe Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" yuaup.exe -
Executes dropped EXE 1 IoCs
pid Process 3492 yuaup.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 3329b98ced463be5b9384c8d968c9e1ca0e9c4fca72db02060be0abe7af606f8.exe -
Adds Run key to start application 2 TTPs 58 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ 3329b98ced463be5b9384c8d968c9e1ca0e9c4fca72db02060be0abe7af606f8.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuaup = "C:\\Users\\Admin\\yuaup.exe /m" yuaup.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuaup = "C:\\Users\\Admin\\yuaup.exe /q" yuaup.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuaup = "C:\\Users\\Admin\\yuaup.exe /e" yuaup.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuaup = "C:\\Users\\Admin\\yuaup.exe /l" yuaup.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuaup = "C:\\Users\\Admin\\yuaup.exe /y" yuaup.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuaup = "C:\\Users\\Admin\\yuaup.exe /a" yuaup.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\yuaup = "C:\\Users\\Admin\\yuaup.exe /p" yuaup.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuaup = "C:\\Users\\Admin\\yuaup.exe /b" yuaup.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\yuaup = "C:\\Users\\Admin\\yuaup.exe /v" yuaup.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuaup = "C:\\Users\\Admin\\yuaup.exe /g" 3329b98ced463be5b9384c8d968c9e1ca0e9c4fca72db02060be0abe7af606f8.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\yuaup = "C:\\Users\\Admin\\yuaup.exe /d" yuaup.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuaup = "C:\\Users\\Admin\\yuaup.exe /g" yuaup.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\yuaup = "C:\\Users\\Admin\\yuaup.exe /b" yuaup.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\yuaup = "C:\\Users\\Admin\\yuaup.exe /a" yuaup.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuaup = "C:\\Users\\Admin\\yuaup.exe /s" yuaup.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuaup = "C:\\Users\\Admin\\yuaup.exe /r" yuaup.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuaup = "C:\\Users\\Admin\\yuaup.exe /x" yuaup.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuaup = "C:\\Users\\Admin\\yuaup.exe /w" yuaup.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ yuaup.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\yuaup = "C:\\Users\\Admin\\yuaup.exe /s" yuaup.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\yuaup = "C:\\Users\\Admin\\yuaup.exe /t" yuaup.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuaup = "C:\\Users\\Admin\\yuaup.exe /k" yuaup.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\yuaup = "C:\\Users\\Admin\\yuaup.exe /h" yuaup.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\yuaup = "C:\\Users\\Admin\\yuaup.exe /n" yuaup.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\yuaup = "C:\\Users\\Admin\\yuaup.exe /j" yuaup.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\yuaup = "C:\\Users\\Admin\\yuaup.exe /r" yuaup.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuaup = "C:\\Users\\Admin\\yuaup.exe /h" yuaup.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\yuaup = "C:\\Users\\Admin\\yuaup.exe /c" yuaup.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\yuaup = "C:\\Users\\Admin\\yuaup.exe /w" yuaup.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\yuaup = "C:\\Users\\Admin\\yuaup.exe /e" yuaup.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\yuaup = "C:\\Users\\Admin\\yuaup.exe /x" yuaup.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuaup = "C:\\Users\\Admin\\yuaup.exe /v" yuaup.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run\ yuaup.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuaup = "C:\\Users\\Admin\\yuaup.exe /c" yuaup.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuaup = "C:\\Users\\Admin\\yuaup.exe /p" yuaup.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuaup = "C:\\Users\\Admin\\yuaup.exe /j" yuaup.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuaup = "C:\\Users\\Admin\\yuaup.exe /i" yuaup.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\yuaup = "C:\\Users\\Admin\\yuaup.exe /g" yuaup.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuaup = "C:\\Users\\Admin\\yuaup.exe /o" yuaup.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuaup = "C:\\Users\\Admin\\yuaup.exe /d" yuaup.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuaup = "C:\\Users\\Admin\\yuaup.exe /f" yuaup.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuaup = "C:\\Users\\Admin\\yuaup.exe /n" yuaup.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\yuaup = "C:\\Users\\Admin\\yuaup.exe /q" yuaup.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\yuaup = "C:\\Users\\Admin\\yuaup.exe /k" yuaup.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuaup = "C:\\Users\\Admin\\yuaup.exe /z" yuaup.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\yuaup = "C:\\Users\\Admin\\yuaup.exe /y" yuaup.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\yuaup = "C:\\Users\\Admin\\yuaup.exe /d" 3329b98ced463be5b9384c8d968c9e1ca0e9c4fca72db02060be0abe7af606f8.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\yuaup = "C:\\Users\\Admin\\yuaup.exe /z" yuaup.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\yuaup = "C:\\Users\\Admin\\yuaup.exe /o" yuaup.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\yuaup = "C:\\Users\\Admin\\yuaup.exe /i" yuaup.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuaup = "C:\\Users\\Admin\\yuaup.exe /t" yuaup.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuaup = "C:\\Users\\Admin\\yuaup.exe /u" yuaup.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\yuaup = "C:\\Users\\Admin\\yuaup.exe /m" yuaup.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\yuaup = "C:\\Users\\Admin\\yuaup.exe /f" yuaup.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 3329b98ced463be5b9384c8d968c9e1ca0e9c4fca72db02060be0abe7af606f8.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\yuaup = "C:\\Users\\Admin\\yuaup.exe /u" yuaup.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\yuaup = "C:\\Users\\Admin\\yuaup.exe /l" yuaup.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 3796 3329b98ced463be5b9384c8d968c9e1ca0e9c4fca72db02060be0abe7af606f8.exe 3796 3329b98ced463be5b9384c8d968c9e1ca0e9c4fca72db02060be0abe7af606f8.exe 3492 yuaup.exe 3492 yuaup.exe 3492 yuaup.exe 3492 yuaup.exe 3492 yuaup.exe 3492 yuaup.exe 3492 yuaup.exe 3492 yuaup.exe 3492 yuaup.exe 3492 yuaup.exe 3492 yuaup.exe 3492 yuaup.exe 3492 yuaup.exe 3492 yuaup.exe 3492 yuaup.exe 3492 yuaup.exe 3492 yuaup.exe 3492 yuaup.exe 3492 yuaup.exe 3492 yuaup.exe 3492 yuaup.exe 3492 yuaup.exe 3492 yuaup.exe 3492 yuaup.exe 3492 yuaup.exe 3492 yuaup.exe 3492 yuaup.exe 3492 yuaup.exe 3492 yuaup.exe 3492 yuaup.exe 3492 yuaup.exe 3492 yuaup.exe 3492 yuaup.exe 3492 yuaup.exe 3492 yuaup.exe 3492 yuaup.exe 3492 yuaup.exe 3492 yuaup.exe 3492 yuaup.exe 3492 yuaup.exe 3492 yuaup.exe 3492 yuaup.exe 3492 yuaup.exe 3492 yuaup.exe 3492 yuaup.exe 3492 yuaup.exe 3492 yuaup.exe 3492 yuaup.exe 3492 yuaup.exe 3492 yuaup.exe 3492 yuaup.exe 3492 yuaup.exe 3492 yuaup.exe 3492 yuaup.exe 3492 yuaup.exe 3492 yuaup.exe 3492 yuaup.exe 3492 yuaup.exe 3492 yuaup.exe 3492 yuaup.exe 3492 yuaup.exe 3492 yuaup.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 3796 3329b98ced463be5b9384c8d968c9e1ca0e9c4fca72db02060be0abe7af606f8.exe 3492 yuaup.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3796 wrote to memory of 3492 3796 3329b98ced463be5b9384c8d968c9e1ca0e9c4fca72db02060be0abe7af606f8.exe 82 PID 3796 wrote to memory of 3492 3796 3329b98ced463be5b9384c8d968c9e1ca0e9c4fca72db02060be0abe7af606f8.exe 82 PID 3796 wrote to memory of 3492 3796 3329b98ced463be5b9384c8d968c9e1ca0e9c4fca72db02060be0abe7af606f8.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\3329b98ced463be5b9384c8d968c9e1ca0e9c4fca72db02060be0abe7af606f8.exe"C:\Users\Admin\AppData\Local\Temp\3329b98ced463be5b9384c8d968c9e1ca0e9c4fca72db02060be0abe7af606f8.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:3796 -
C:\Users\Admin\yuaup.exe"C:\Users\Admin\yuaup.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:3492
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
336KB
MD5ce60dcd8e73415bb6e0a03965badbaf0
SHA16d8343f8501a500ba6f377ce6f2aeb6db3020724
SHA256d0d62d30cf4f14680c8239bcc871f61491bae77f33ea8d07db9bac647b7f348c
SHA512a1de991c0476dbc2694fa04eaa8fa30d64fbcbdb2ff9a6e4711753f2e699181a73b388767f976ee6d4403e856488aa8d8e7ac3ef36687c62ccb3278b8c9a8449
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Filesize
336KB
MD5ce60dcd8e73415bb6e0a03965badbaf0
SHA16d8343f8501a500ba6f377ce6f2aeb6db3020724
SHA256d0d62d30cf4f14680c8239bcc871f61491bae77f33ea8d07db9bac647b7f348c
SHA512a1de991c0476dbc2694fa04eaa8fa30d64fbcbdb2ff9a6e4711753f2e699181a73b388767f976ee6d4403e856488aa8d8e7ac3ef36687c62ccb3278b8c9a8449