Analysis
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max time kernel
152s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
25/01/2024, 04:00
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
73ae7939eeda4791a97e2ec51908ce3f.exe
Resource
win7-20231215-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
73ae7939eeda4791a97e2ec51908ce3f.exe
Resource
win10v2004-20231215-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
73ae7939eeda4791a97e2ec51908ce3f.exe
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Size
96KB
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MD5
73ae7939eeda4791a97e2ec51908ce3f
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SHA1
2a66e85605d3dd2cbe6cd5a47d3a5c550d48762b
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SHA256
2cc0e3e2f585797e4828f5100cb65ea8fe5a31479ace39d9d80f6a4caa196f40
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SHA512
528ab7a8f3d1a58b4faa9f9e193b9d3e94b4e8c850a4cce7a828662b08cbba0bf00504de83f564a37bc19eb7333828b052e112a556ddec2f848c488a77718c16
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SSDEEP
1536:fslEg5229tyVQO8P8ych9Ewjj3RJNEo/knRzdnynE7RldNEP8lijOevNIjnZ5:fME/2elychrzR3Ek65RldqvCnn
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-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 73ae7939eeda4791a97e2ec51908ce3f.exe Set value (int) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" nuiar.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-1-5-21-3073191680-435865314-2862784915-1000\Control Panel\International\Geo\Nation 73ae7939eeda4791a97e2ec51908ce3f.exe -
Executes dropped EXE 1 IoCs
pid Process 4920 nuiar.exe -
Adds Run key to start application 2 TTPs 52 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nuiar = "C:\\Users\\Admin\\nuiar.exe /h" nuiar.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nuiar = "C:\\Users\\Admin\\nuiar.exe /K" nuiar.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nuiar = "C:\\Users\\Admin\\nuiar.exe /Q" nuiar.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nuiar = "C:\\Users\\Admin\\nuiar.exe /L" nuiar.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nuiar = "C:\\Users\\Admin\\nuiar.exe /T" nuiar.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nuiar = "C:\\Users\\Admin\\nuiar.exe /K" 73ae7939eeda4791a97e2ec51908ce3f.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nuiar = "C:\\Users\\Admin\\nuiar.exe /A" nuiar.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nuiar = "C:\\Users\\Admin\\nuiar.exe /f" nuiar.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nuiar = "C:\\Users\\Admin\\nuiar.exe /c" nuiar.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nuiar = "C:\\Users\\Admin\\nuiar.exe /E" nuiar.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nuiar = "C:\\Users\\Admin\\nuiar.exe /Z" nuiar.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nuiar = "C:\\Users\\Admin\\nuiar.exe /b" nuiar.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nuiar = "C:\\Users\\Admin\\nuiar.exe /i" nuiar.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nuiar = "C:\\Users\\Admin\\nuiar.exe /I" nuiar.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nuiar = "C:\\Users\\Admin\\nuiar.exe /B" nuiar.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nuiar = "C:\\Users\\Admin\\nuiar.exe /q" nuiar.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nuiar = "C:\\Users\\Admin\\nuiar.exe /G" nuiar.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nuiar = "C:\\Users\\Admin\\nuiar.exe /j" nuiar.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nuiar = "C:\\Users\\Admin\\nuiar.exe /O" nuiar.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nuiar = "C:\\Users\\Admin\\nuiar.exe /p" nuiar.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nuiar = "C:\\Users\\Admin\\nuiar.exe /w" nuiar.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nuiar = "C:\\Users\\Admin\\nuiar.exe /o" nuiar.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nuiar = "C:\\Users\\Admin\\nuiar.exe /N" nuiar.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nuiar = "C:\\Users\\Admin\\nuiar.exe /F" nuiar.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nuiar = "C:\\Users\\Admin\\nuiar.exe /S" nuiar.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nuiar = "C:\\Users\\Admin\\nuiar.exe /W" nuiar.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nuiar = "C:\\Users\\Admin\\nuiar.exe /C" nuiar.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nuiar = "C:\\Users\\Admin\\nuiar.exe /u" nuiar.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nuiar = "C:\\Users\\Admin\\nuiar.exe /y" nuiar.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nuiar = "C:\\Users\\Admin\\nuiar.exe /R" nuiar.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nuiar = "C:\\Users\\Admin\\nuiar.exe /l" nuiar.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nuiar = "C:\\Users\\Admin\\nuiar.exe /z" nuiar.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nuiar = "C:\\Users\\Admin\\nuiar.exe /v" nuiar.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nuiar = "C:\\Users\\Admin\\nuiar.exe /k" nuiar.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nuiar = "C:\\Users\\Admin\\nuiar.exe /H" nuiar.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nuiar = "C:\\Users\\Admin\\nuiar.exe /D" nuiar.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nuiar = "C:\\Users\\Admin\\nuiar.exe /Y" nuiar.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nuiar = "C:\\Users\\Admin\\nuiar.exe /V" nuiar.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nuiar = "C:\\Users\\Admin\\nuiar.exe /x" nuiar.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nuiar = "C:\\Users\\Admin\\nuiar.exe /e" nuiar.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nuiar = "C:\\Users\\Admin\\nuiar.exe /s" nuiar.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nuiar = "C:\\Users\\Admin\\nuiar.exe /U" nuiar.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nuiar = "C:\\Users\\Admin\\nuiar.exe /t" nuiar.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nuiar = "C:\\Users\\Admin\\nuiar.exe /g" nuiar.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nuiar = "C:\\Users\\Admin\\nuiar.exe /d" nuiar.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nuiar = "C:\\Users\\Admin\\nuiar.exe /J" nuiar.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nuiar = "C:\\Users\\Admin\\nuiar.exe /a" nuiar.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nuiar = "C:\\Users\\Admin\\nuiar.exe /r" nuiar.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nuiar = "C:\\Users\\Admin\\nuiar.exe /P" nuiar.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nuiar = "C:\\Users\\Admin\\nuiar.exe /M" nuiar.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nuiar = "C:\\Users\\Admin\\nuiar.exe /n" nuiar.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nuiar = "C:\\Users\\Admin\\nuiar.exe /X" nuiar.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 772 73ae7939eeda4791a97e2ec51908ce3f.exe 772 73ae7939eeda4791a97e2ec51908ce3f.exe 4920 nuiar.exe 4920 nuiar.exe 4920 nuiar.exe 4920 nuiar.exe 4920 nuiar.exe 4920 nuiar.exe 4920 nuiar.exe 4920 nuiar.exe 4920 nuiar.exe 4920 nuiar.exe 4920 nuiar.exe 4920 nuiar.exe 4920 nuiar.exe 4920 nuiar.exe 4920 nuiar.exe 4920 nuiar.exe 4920 nuiar.exe 4920 nuiar.exe 4920 nuiar.exe 4920 nuiar.exe 4920 nuiar.exe 4920 nuiar.exe 4920 nuiar.exe 4920 nuiar.exe 4920 nuiar.exe 4920 nuiar.exe 4920 nuiar.exe 4920 nuiar.exe 4920 nuiar.exe 4920 nuiar.exe 4920 nuiar.exe 4920 nuiar.exe 4920 nuiar.exe 4920 nuiar.exe 4920 nuiar.exe 4920 nuiar.exe 4920 nuiar.exe 4920 nuiar.exe 4920 nuiar.exe 4920 nuiar.exe 4920 nuiar.exe 4920 nuiar.exe 4920 nuiar.exe 4920 nuiar.exe 4920 nuiar.exe 4920 nuiar.exe 4920 nuiar.exe 4920 nuiar.exe 4920 nuiar.exe 4920 nuiar.exe 4920 nuiar.exe 4920 nuiar.exe 4920 nuiar.exe 4920 nuiar.exe 4920 nuiar.exe 4920 nuiar.exe 4920 nuiar.exe 4920 nuiar.exe 4920 nuiar.exe 4920 nuiar.exe 4920 nuiar.exe 4920 nuiar.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 772 73ae7939eeda4791a97e2ec51908ce3f.exe 4920 nuiar.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 772 wrote to memory of 4920 772 73ae7939eeda4791a97e2ec51908ce3f.exe 89 PID 772 wrote to memory of 4920 772 73ae7939eeda4791a97e2ec51908ce3f.exe 89 PID 772 wrote to memory of 4920 772 73ae7939eeda4791a97e2ec51908ce3f.exe 89
Processes
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C:\Users\Admin\AppData\Local\Temp\73ae7939eeda4791a97e2ec51908ce3f.exe"C:\Users\Admin\AppData\Local\Temp\73ae7939eeda4791a97e2ec51908ce3f.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:772 -
C:\Users\Admin\nuiar.exe"C:\Users\Admin\nuiar.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:4920
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
96KB
MD54848b622fccded7bebbec98a0be112db
SHA1bb9f81ae3e9eb7046808a7e566341ddea16bad61
SHA256254a329f7ef84066f41d4ce09916a64dc3d5fdf3d7a94de6fbdd7eeb261bdae1
SHA5120efda59b9305b09fc2e05f5ff43690cf73046a4cffaee780f84a821145078319d322890b53b1d5fdcb6319b0f5070deed764c6123de8c8d467b286ca4aa9dcc1