Analysis
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max time kernel
161s -
max time network
168s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
13/02/2024, 05:57
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
98a5c8ef85c3e1a1db2162e0da2fb7ee.exe
Resource
win7-20231215-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
98a5c8ef85c3e1a1db2162e0da2fb7ee.exe
Resource
win10v2004-20231215-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
98a5c8ef85c3e1a1db2162e0da2fb7ee.exe
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Size
156KB
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MD5
98a5c8ef85c3e1a1db2162e0da2fb7ee
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SHA1
10bf7efcf63d37dcc9fcb1457560f1804f16974a
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SHA256
3e6e580b858b29c962266a76471aae36c2df80e0d799842e07344c733d31e368
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SHA512
87ddf5cc2dbfa52c9bf4b4e5b7d4927d35cf1b45b17ae954458a4ff9b267400a477b3921eebd84996941f25c3b84ed732f1e5211596ee6ae1f67e6eb7d101118
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SSDEEP
3072:bAEcTATe0pBI1xkaGU0vBpT8k/QvbawuxtUYqBd5hAmamQAMHfhRvuWxx0g4oQZq:bXc4e0pBI1xkaH0vBpT8kltDr8L5DMHZ
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" 98a5c8ef85c3e1a1db2162e0da2fb7ee.exe Set value (int) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" nokul.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 98a5c8ef85c3e1a1db2162e0da2fb7ee.exe -
Executes dropped EXE 1 IoCs
pid Process 4032 nokul.exe -
Adds Run key to start application 2 TTPs 51 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nokul = "C:\\Users\\Admin\\nokul.exe /h" nokul.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nokul = "C:\\Users\\Admin\\nokul.exe /V" nokul.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nokul = "C:\\Users\\Admin\\nokul.exe /K" nokul.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nokul = "C:\\Users\\Admin\\nokul.exe /p" nokul.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nokul = "C:\\Users\\Admin\\nokul.exe /w" nokul.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nokul = "C:\\Users\\Admin\\nokul.exe /o" nokul.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nokul = "C:\\Users\\Admin\\nokul.exe /R" nokul.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nokul = "C:\\Users\\Admin\\nokul.exe /H" nokul.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nokul = "C:\\Users\\Admin\\nokul.exe /P" nokul.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nokul = "C:\\Users\\Admin\\nokul.exe /Q" nokul.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nokul = "C:\\Users\\Admin\\nokul.exe /l" nokul.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nokul = "C:\\Users\\Admin\\nokul.exe /g" nokul.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nokul = "C:\\Users\\Admin\\nokul.exe /C" nokul.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nokul = "C:\\Users\\Admin\\nokul.exe /N" nokul.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nokul = "C:\\Users\\Admin\\nokul.exe /m" nokul.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nokul = "C:\\Users\\Admin\\nokul.exe /E" nokul.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nokul = "C:\\Users\\Admin\\nokul.exe /i" nokul.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nokul = "C:\\Users\\Admin\\nokul.exe /I" nokul.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nokul = "C:\\Users\\Admin\\nokul.exe /a" nokul.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nokul = "C:\\Users\\Admin\\nokul.exe /Z" nokul.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nokul = "C:\\Users\\Admin\\nokul.exe /U" nokul.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nokul = "C:\\Users\\Admin\\nokul.exe /U" 98a5c8ef85c3e1a1db2162e0da2fb7ee.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nokul = "C:\\Users\\Admin\\nokul.exe /D" nokul.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nokul = "C:\\Users\\Admin\\nokul.exe /X" nokul.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nokul = "C:\\Users\\Admin\\nokul.exe /B" nokul.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nokul = "C:\\Users\\Admin\\nokul.exe /z" nokul.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nokul = "C:\\Users\\Admin\\nokul.exe /W" nokul.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nokul = "C:\\Users\\Admin\\nokul.exe /q" nokul.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nokul = "C:\\Users\\Admin\\nokul.exe /b" nokul.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nokul = "C:\\Users\\Admin\\nokul.exe /e" nokul.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nokul = "C:\\Users\\Admin\\nokul.exe /k" nokul.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nokul = "C:\\Users\\Admin\\nokul.exe /r" nokul.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nokul = "C:\\Users\\Admin\\nokul.exe /c" nokul.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nokul = "C:\\Users\\Admin\\nokul.exe /L" nokul.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nokul = "C:\\Users\\Admin\\nokul.exe /S" nokul.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nokul = "C:\\Users\\Admin\\nokul.exe /T" nokul.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nokul = "C:\\Users\\Admin\\nokul.exe /Y" nokul.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nokul = "C:\\Users\\Admin\\nokul.exe /G" nokul.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nokul = "C:\\Users\\Admin\\nokul.exe /u" nokul.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nokul = "C:\\Users\\Admin\\nokul.exe /t" nokul.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nokul = "C:\\Users\\Admin\\nokul.exe /f" nokul.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nokul = "C:\\Users\\Admin\\nokul.exe /n" nokul.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nokul = "C:\\Users\\Admin\\nokul.exe /F" nokul.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nokul = "C:\\Users\\Admin\\nokul.exe /A" nokul.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nokul = "C:\\Users\\Admin\\nokul.exe /y" nokul.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nokul = "C:\\Users\\Admin\\nokul.exe /J" nokul.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nokul = "C:\\Users\\Admin\\nokul.exe /M" nokul.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nokul = "C:\\Users\\Admin\\nokul.exe /v" nokul.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nokul = "C:\\Users\\Admin\\nokul.exe /s" nokul.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nokul = "C:\\Users\\Admin\\nokul.exe /O" nokul.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nokul = "C:\\Users\\Admin\\nokul.exe /x" nokul.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 2488 98a5c8ef85c3e1a1db2162e0da2fb7ee.exe 2488 98a5c8ef85c3e1a1db2162e0da2fb7ee.exe 4032 nokul.exe 4032 nokul.exe 4032 nokul.exe 4032 nokul.exe 4032 nokul.exe 4032 nokul.exe 4032 nokul.exe 4032 nokul.exe 4032 nokul.exe 4032 nokul.exe 4032 nokul.exe 4032 nokul.exe 4032 nokul.exe 4032 nokul.exe 4032 nokul.exe 4032 nokul.exe 4032 nokul.exe 4032 nokul.exe 4032 nokul.exe 4032 nokul.exe 4032 nokul.exe 4032 nokul.exe 4032 nokul.exe 4032 nokul.exe 4032 nokul.exe 4032 nokul.exe 4032 nokul.exe 4032 nokul.exe 4032 nokul.exe 4032 nokul.exe 4032 nokul.exe 4032 nokul.exe 4032 nokul.exe 4032 nokul.exe 4032 nokul.exe 4032 nokul.exe 4032 nokul.exe 4032 nokul.exe 4032 nokul.exe 4032 nokul.exe 4032 nokul.exe 4032 nokul.exe 4032 nokul.exe 4032 nokul.exe 4032 nokul.exe 4032 nokul.exe 4032 nokul.exe 4032 nokul.exe 4032 nokul.exe 4032 nokul.exe 4032 nokul.exe 4032 nokul.exe 4032 nokul.exe 4032 nokul.exe 4032 nokul.exe 4032 nokul.exe 4032 nokul.exe 4032 nokul.exe 4032 nokul.exe 4032 nokul.exe 4032 nokul.exe 4032 nokul.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2488 98a5c8ef85c3e1a1db2162e0da2fb7ee.exe 4032 nokul.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2488 wrote to memory of 4032 2488 98a5c8ef85c3e1a1db2162e0da2fb7ee.exe 87 PID 2488 wrote to memory of 4032 2488 98a5c8ef85c3e1a1db2162e0da2fb7ee.exe 87 PID 2488 wrote to memory of 4032 2488 98a5c8ef85c3e1a1db2162e0da2fb7ee.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\98a5c8ef85c3e1a1db2162e0da2fb7ee.exe"C:\Users\Admin\AppData\Local\Temp\98a5c8ef85c3e1a1db2162e0da2fb7ee.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:2488 -
C:\Users\Admin\nokul.exe"C:\Users\Admin\nokul.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:4032
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
156KB
MD500c32b21eab4d1d6952c48724a80fddd
SHA13388e97fce44b2532be6f025fe5ee4896e3e86da
SHA256bc21b0fef7079f5efb4ad9f1b697de68b0c41830e56361ea77f450124709cc20
SHA512bd50a0cf70462e85730f4f2e53effc748819b4f13e78c6b39e20dcfcd0f73860987dd68149d8f4df2c397da50079248a955c4284a922fc6cfe20f31515d259af