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Analysis
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max time kernel
153s -
max time network
165s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
11/10/2022, 01:35
Static task
static1
Behavioral task
behavioral1
Sample
bc49b40c3190571bc483de68d16b9788ce30fc96b2d18cb350a681d221f0bd75.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
bc49b40c3190571bc483de68d16b9788ce30fc96b2d18cb350a681d221f0bd75.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
bc49b40c3190571bc483de68d16b9788ce30fc96b2d18cb350a681d221f0bd75.exe
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Size
180KB
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MD5
5fb26e6d27cb6e152cac74b218d01490
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SHA1
7c8ff28874801d1557415a3cd647530d1ab3b799
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SHA256
bc49b40c3190571bc483de68d16b9788ce30fc96b2d18cb350a681d221f0bd75
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SHA512
87eacb5a7338a7f6e8c1f2a2eb32061d58e6806edb229a8edb0ebfa1b7afa0151c68626bddfbfedf4ad288f9916245be52e7b3998fddd8a14ced14eba1a5232e
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SSDEEP
3072:oRHNSIcEGROnFPgPmCXMNKiqMdMZZZZWMkIJk:igEtEMNIMdHY
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-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" sialaec.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" bc49b40c3190571bc483de68d16b9788ce30fc96b2d18cb350a681d221f0bd75.exe -
Executes dropped EXE 1 IoCs
pid Process 2208 sialaec.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-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation bc49b40c3190571bc483de68d16b9788ce30fc96b2d18cb350a681d221f0bd75.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sialaec = "C:\\Users\\Admin\\sialaec.exe /a" sialaec.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sialaec = "C:\\Users\\Admin\\sialaec.exe /c" sialaec.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sialaec = "C:\\Users\\Admin\\sialaec.exe /f" sialaec.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sialaec = "C:\\Users\\Admin\\sialaec.exe /r" sialaec.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sialaec = "C:\\Users\\Admin\\sialaec.exe /e" sialaec.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sialaec = "C:\\Users\\Admin\\sialaec.exe /z" sialaec.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sialaec = "C:\\Users\\Admin\\sialaec.exe /w" sialaec.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sialaec = "C:\\Users\\Admin\\sialaec.exe /s" sialaec.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sialaec = "C:\\Users\\Admin\\sialaec.exe /d" sialaec.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sialaec = "C:\\Users\\Admin\\sialaec.exe /g" sialaec.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sialaec = "C:\\Users\\Admin\\sialaec.exe /x" sialaec.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sialaec = "C:\\Users\\Admin\\sialaec.exe /v" sialaec.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sialaec = "C:\\Users\\Admin\\sialaec.exe /y" sialaec.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sialaec = "C:\\Users\\Admin\\sialaec.exe /n" sialaec.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sialaec = "C:\\Users\\Admin\\sialaec.exe /j" sialaec.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sialaec = "C:\\Users\\Admin\\sialaec.exe /h" sialaec.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sialaec = "C:\\Users\\Admin\\sialaec.exe /m" bc49b40c3190571bc483de68d16b9788ce30fc96b2d18cb350a681d221f0bd75.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sialaec = "C:\\Users\\Admin\\sialaec.exe /i" sialaec.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sialaec = "C:\\Users\\Admin\\sialaec.exe /k" sialaec.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sialaec = "C:\\Users\\Admin\\sialaec.exe /m" sialaec.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sialaec = "C:\\Users\\Admin\\sialaec.exe /u" sialaec.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run\ bc49b40c3190571bc483de68d16b9788ce30fc96b2d18cb350a681d221f0bd75.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sialaec = "C:\\Users\\Admin\\sialaec.exe /l" sialaec.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sialaec = "C:\\Users\\Admin\\sialaec.exe /t" sialaec.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sialaec = "C:\\Users\\Admin\\sialaec.exe /b" sialaec.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sialaec = "C:\\Users\\Admin\\sialaec.exe /q" sialaec.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sialaec = "C:\\Users\\Admin\\sialaec.exe /o" sialaec.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sialaec = "C:\\Users\\Admin\\sialaec.exe /p" sialaec.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run\ sialaec.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 5112 bc49b40c3190571bc483de68d16b9788ce30fc96b2d18cb350a681d221f0bd75.exe 5112 bc49b40c3190571bc483de68d16b9788ce30fc96b2d18cb350a681d221f0bd75.exe 2208 sialaec.exe 2208 sialaec.exe 2208 sialaec.exe 2208 sialaec.exe 2208 sialaec.exe 2208 sialaec.exe 2208 sialaec.exe 2208 sialaec.exe 2208 sialaec.exe 2208 sialaec.exe 2208 sialaec.exe 2208 sialaec.exe 2208 sialaec.exe 2208 sialaec.exe 2208 sialaec.exe 2208 sialaec.exe 2208 sialaec.exe 2208 sialaec.exe 2208 sialaec.exe 2208 sialaec.exe 2208 sialaec.exe 2208 sialaec.exe 2208 sialaec.exe 2208 sialaec.exe 2208 sialaec.exe 2208 sialaec.exe 2208 sialaec.exe 2208 sialaec.exe 2208 sialaec.exe 2208 sialaec.exe 2208 sialaec.exe 2208 sialaec.exe 2208 sialaec.exe 2208 sialaec.exe 2208 sialaec.exe 2208 sialaec.exe 2208 sialaec.exe 2208 sialaec.exe 2208 sialaec.exe 2208 sialaec.exe 2208 sialaec.exe 2208 sialaec.exe 2208 sialaec.exe 2208 sialaec.exe 2208 sialaec.exe 2208 sialaec.exe 2208 sialaec.exe 2208 sialaec.exe 2208 sialaec.exe 2208 sialaec.exe 2208 sialaec.exe 2208 sialaec.exe 2208 sialaec.exe 2208 sialaec.exe 2208 sialaec.exe 2208 sialaec.exe 2208 sialaec.exe 2208 sialaec.exe 2208 sialaec.exe 2208 sialaec.exe 2208 sialaec.exe 2208 sialaec.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 5112 bc49b40c3190571bc483de68d16b9788ce30fc96b2d18cb350a681d221f0bd75.exe 2208 sialaec.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 5112 wrote to memory of 2208 5112 bc49b40c3190571bc483de68d16b9788ce30fc96b2d18cb350a681d221f0bd75.exe 84 PID 5112 wrote to memory of 2208 5112 bc49b40c3190571bc483de68d16b9788ce30fc96b2d18cb350a681d221f0bd75.exe 84 PID 5112 wrote to memory of 2208 5112 bc49b40c3190571bc483de68d16b9788ce30fc96b2d18cb350a681d221f0bd75.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\bc49b40c3190571bc483de68d16b9788ce30fc96b2d18cb350a681d221f0bd75.exe"C:\Users\Admin\AppData\Local\Temp\bc49b40c3190571bc483de68d16b9788ce30fc96b2d18cb350a681d221f0bd75.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:5112 -
C:\Users\Admin\sialaec.exe"C:\Users\Admin\sialaec.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:2208
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
180KB
MD57db43d5a548de39c0ab3fb281f9d3972
SHA1f69286e4f51155a9b4d1e7e0ddc55a34ce5b4880
SHA25675cf97c551596d51017843464807c02e78dc014ca069001680349192df28983c
SHA512c060baeed3f64b51f20347ea30d51ba1732fda312a1697b0e2cfdb4ae94d0f046377be4530b5d6c5c7397d997945ef9b768482c7a4f98d684a16c5eb2269cb54
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Filesize
180KB
MD57db43d5a548de39c0ab3fb281f9d3972
SHA1f69286e4f51155a9b4d1e7e0ddc55a34ce5b4880
SHA25675cf97c551596d51017843464807c02e78dc014ca069001680349192df28983c
SHA512c060baeed3f64b51f20347ea30d51ba1732fda312a1697b0e2cfdb4ae94d0f046377be4530b5d6c5c7397d997945ef9b768482c7a4f98d684a16c5eb2269cb54