Analysis
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max time kernel
66s -
max time network
162s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
06-01-2024 13:23
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
46566c1cdccbc22114b3c265105bb172.exe
Resource
win7-20231215-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
46566c1cdccbc22114b3c265105bb172.exe
Resource
win10v2004-20231215-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
46566c1cdccbc22114b3c265105bb172.exe
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Size
132KB
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MD5
46566c1cdccbc22114b3c265105bb172
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SHA1
279218e1d1e8051a7919185d25d41a20f7f6b731
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SHA256
51a0cc89a099b2a5f4e6f49d6bb3a00d4661b9bfab8353a04ea4aed1f5568200
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SHA512
cfafed5e16584dcfc1d307f50991bd2a9bd49c999f9db7ac9f502d187c422d6316f46d5842be90b12ca433ea1c449140c4fd813c223368e6eb84906c9cc3ce9c
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SSDEEP
1536:y+kKp/4inMnzzMcVVnEGKbfSG7Gtg3sZnFE+t+:9ke/nMnz4cVVnEGi53aFEe+
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-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 46566c1cdccbc22114b3c265105bb172.exe Set value (int) \REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" siicuf.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-1-5-21-996941297-2279405024-2328152752-1000\Control Panel\International\Geo\Nation 46566c1cdccbc22114b3c265105bb172.exe -
Executes dropped EXE 1 IoCs
pid Process 3696 siicuf.exe -
Adds Run key to start application 2 TTPs 54 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\siicuf = "C:\\Users\\Admin\\siicuf.exe /m" siicuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\siicuf = "C:\\Users\\Admin\\siicuf.exe /m" siicuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\siicuf = "C:\\Users\\Admin\\siicuf.exe /u" siicuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\siicuf = "C:\\Users\\Admin\\siicuf.exe /x" siicuf.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\siicuf = "C:\\Users\\Admin\\siicuf.exe /a" siicuf.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\siicuf = "C:\\Users\\Admin\\siicuf.exe /h" siicuf.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\siicuf = "C:\\Users\\Admin\\siicuf.exe /j" siicuf.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\siicuf = "C:\\Users\\Admin\\siicuf.exe /f" siicuf.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\siicuf = "C:\\Users\\Admin\\siicuf.exe /i" siicuf.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\siicuf = "C:\\Users\\Admin\\siicuf.exe /s" siicuf.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\siicuf = "C:\\Users\\Admin\\siicuf.exe /v" 46566c1cdccbc22114b3c265105bb172.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\siicuf = "C:\\Users\\Admin\\siicuf.exe /l" siicuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\siicuf = "C:\\Users\\Admin\\siicuf.exe /z" siicuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\siicuf = "C:\\Users\\Admin\\siicuf.exe /s" siicuf.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\siicuf = "C:\\Users\\Admin\\siicuf.exe /g" siicuf.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\siicuf = "C:\\Users\\Admin\\siicuf.exe /o" siicuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\siicuf = "C:\\Users\\Admin\\siicuf.exe /o" siicuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\siicuf = "C:\\Users\\Admin\\siicuf.exe /h" siicuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\siicuf = "C:\\Users\\Admin\\siicuf.exe /k" siicuf.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\siicuf = "C:\\Users\\Admin\\siicuf.exe /z" siicuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\siicuf = "C:\\Users\\Admin\\siicuf.exe /j" siicuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\siicuf = "C:\\Users\\Admin\\siicuf.exe /n" siicuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\siicuf = "C:\\Users\\Admin\\siicuf.exe /c" siicuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\siicuf = "C:\\Users\\Admin\\siicuf.exe /w" siicuf.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\siicuf = "C:\\Users\\Admin\\siicuf.exe /x" siicuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\siicuf = "C:\\Users\\Admin\\siicuf.exe /v" siicuf.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\siicuf = "C:\\Users\\Admin\\siicuf.exe /r" siicuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\siicuf = "C:\\Users\\Admin\\siicuf.exe /r" siicuf.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\siicuf = "C:\\Users\\Admin\\siicuf.exe /u" siicuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\siicuf = "C:\\Users\\Admin\\siicuf.exe /t" siicuf.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\siicuf = "C:\\Users\\Admin\\siicuf.exe /v" siicuf.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\siicuf = "C:\\Users\\Admin\\siicuf.exe /b" siicuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\siicuf = "C:\\Users\\Admin\\siicuf.exe /g" siicuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\siicuf = "C:\\Users\\Admin\\siicuf.exe /d" siicuf.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\siicuf = "C:\\Users\\Admin\\siicuf.exe /w" siicuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\siicuf = "C:\\Users\\Admin\\siicuf.exe /p" siicuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\siicuf = "C:\\Users\\Admin\\siicuf.exe /y" siicuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\siicuf = "C:\\Users\\Admin\\siicuf.exe /a" siicuf.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\siicuf = "C:\\Users\\Admin\\siicuf.exe /d" siicuf.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\siicuf = "C:\\Users\\Admin\\siicuf.exe /n" siicuf.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\siicuf = "C:\\Users\\Admin\\siicuf.exe /q" siicuf.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\siicuf = "C:\\Users\\Admin\\siicuf.exe /t" siicuf.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\siicuf = "C:\\Users\\Admin\\siicuf.exe /k" siicuf.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\siicuf = "C:\\Users\\Admin\\siicuf.exe /y" siicuf.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\siicuf = "C:\\Users\\Admin\\siicuf.exe /c" siicuf.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\siicuf = "C:\\Users\\Admin\\siicuf.exe /e" siicuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\siicuf = "C:\\Users\\Admin\\siicuf.exe /e" siicuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\siicuf = "C:\\Users\\Admin\\siicuf.exe /i" siicuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\siicuf = "C:\\Users\\Admin\\siicuf.exe /f" siicuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\siicuf = "C:\\Users\\Admin\\siicuf.exe /b" siicuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\siicuf = "C:\\Users\\Admin\\siicuf.exe /l" siicuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\siicuf = "C:\\Users\\Admin\\siicuf.exe /b" 46566c1cdccbc22114b3c265105bb172.exe Set value (str) \REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\siicuf = "C:\\Users\\Admin\\siicuf.exe /q" siicuf.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\siicuf = "C:\\Users\\Admin\\siicuf.exe /p" siicuf.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 4156 46566c1cdccbc22114b3c265105bb172.exe 4156 46566c1cdccbc22114b3c265105bb172.exe 3696 siicuf.exe 3696 siicuf.exe 3696 siicuf.exe 3696 siicuf.exe 3696 siicuf.exe 3696 siicuf.exe 3696 siicuf.exe 3696 siicuf.exe 3696 siicuf.exe 3696 siicuf.exe 3696 siicuf.exe 3696 siicuf.exe 3696 siicuf.exe 3696 siicuf.exe 3696 siicuf.exe 3696 siicuf.exe 3696 siicuf.exe 3696 siicuf.exe 3696 siicuf.exe 3696 siicuf.exe 3696 siicuf.exe 3696 siicuf.exe 3696 siicuf.exe 3696 siicuf.exe 3696 siicuf.exe 3696 siicuf.exe 3696 siicuf.exe 3696 siicuf.exe 3696 siicuf.exe 3696 siicuf.exe 3696 siicuf.exe 3696 siicuf.exe 3696 siicuf.exe 3696 siicuf.exe 3696 siicuf.exe 3696 siicuf.exe 3696 siicuf.exe 3696 siicuf.exe 3696 siicuf.exe 3696 siicuf.exe 3696 siicuf.exe 3696 siicuf.exe 3696 siicuf.exe 3696 siicuf.exe 3696 siicuf.exe 3696 siicuf.exe 3696 siicuf.exe 3696 siicuf.exe 3696 siicuf.exe 3696 siicuf.exe 3696 siicuf.exe 3696 siicuf.exe 3696 siicuf.exe 3696 siicuf.exe 3696 siicuf.exe 3696 siicuf.exe 3696 siicuf.exe 3696 siicuf.exe 3696 siicuf.exe 3696 siicuf.exe 3696 siicuf.exe 3696 siicuf.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4156 46566c1cdccbc22114b3c265105bb172.exe 3696 siicuf.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4156 wrote to memory of 3696 4156 46566c1cdccbc22114b3c265105bb172.exe 92 PID 4156 wrote to memory of 3696 4156 46566c1cdccbc22114b3c265105bb172.exe 92 PID 4156 wrote to memory of 3696 4156 46566c1cdccbc22114b3c265105bb172.exe 92
Processes
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C:\Users\Admin\AppData\Local\Temp\46566c1cdccbc22114b3c265105bb172.exe"C:\Users\Admin\AppData\Local\Temp\46566c1cdccbc22114b3c265105bb172.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:4156 -
C:\Users\Admin\siicuf.exe"C:\Users\Admin\siicuf.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:3696
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
132KB
MD572352f2b371c2c9cf4df452838b01119
SHA14d2b47c2571d8978af932ead95ead751c7373735
SHA25638441c283e2f2a08727c20015803a81dbd1fc0bc10a64c7c27cf7bc6af50b128
SHA512f05419d9dd7fefafb0a44c826b3b872faa85c63bef5ba2a8b89a2d2ce294b1d71b068781d2fed972291d8cbb85441899a36b4ebc5b67f000e200906de8b9289b