Analysis
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max time kernel
149s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
19-10-2022 13:35
Static task
static1
Behavioral task
behavioral1
Sample
2caddaa7a9ff687601cd4b42d35f2564ed234d65518c39d8b25bd52ae52a99ec.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
2caddaa7a9ff687601cd4b42d35f2564ed234d65518c39d8b25bd52ae52a99ec.exe
Resource
win10v2004-20220901-en
General
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Target
2caddaa7a9ff687601cd4b42d35f2564ed234d65518c39d8b25bd52ae52a99ec.exe
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Size
1.0MB
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MD5
a0e87e1480ee8f2dceb59d950d5ef4a0
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SHA1
45c65853b8a85bbaebf0d675ca521f5716051fc5
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SHA256
2caddaa7a9ff687601cd4b42d35f2564ed234d65518c39d8b25bd52ae52a99ec
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SHA512
267a24696d53ee28c69e480e0b1bb4243dc55014758cae2c86f42428f644d51cfa79886106da34ff0d81e9488990214cf02b25eed5d93be7d7cd86b922083234
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SSDEEP
24576:kRmJkqoQrilOIQ+yMxGaxpYg2aYpzMCLK1:VJXoQryTiMxGaxpYg2a1
Malware Config
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "C:\\Users\\Admin\\AppData\\Roaming\\Logs.exeexplorer.exe" 2caddaa7a9ff687601cd4b42d35f2564ed234d65518c39d8b25bd52ae52a99ec.exe -
Adds policy Run key to start application 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run 2caddaa7a9ff687601cd4b42d35f2564ed234d65518c39d8b25bd52ae52a99ec.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Adobe Flash = "C:\\Users\\Admin\\AppData\\Roaming\\Logs.exe" 2caddaa7a9ff687601cd4b42d35f2564ed234d65518c39d8b25bd52ae52a99ec.exe -
Uses the VBS compiler for execution 1 TTPs
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Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run 2caddaa7a9ff687601cd4b42d35f2564ed234d65518c39d8b25bd52ae52a99ec.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Adobe Flash = "C:\\Users\\Admin\\AppData\\Roaming\\Logs.exe" 2caddaa7a9ff687601cd4b42d35f2564ed234d65518c39d8b25bd52ae52a99ec.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4764 set thread context of 1192 4764 2caddaa7a9ff687601cd4b42d35f2564ed234d65518c39d8b25bd52ae52a99ec.exe 89 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1192 vbc.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1192 vbc.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1192 vbc.exe -
Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 4764 wrote to memory of 1192 4764 2caddaa7a9ff687601cd4b42d35f2564ed234d65518c39d8b25bd52ae52a99ec.exe 89 PID 4764 wrote to memory of 1192 4764 2caddaa7a9ff687601cd4b42d35f2564ed234d65518c39d8b25bd52ae52a99ec.exe 89 PID 4764 wrote to memory of 1192 4764 2caddaa7a9ff687601cd4b42d35f2564ed234d65518c39d8b25bd52ae52a99ec.exe 89 PID 4764 wrote to memory of 1192 4764 2caddaa7a9ff687601cd4b42d35f2564ed234d65518c39d8b25bd52ae52a99ec.exe 89 PID 4764 wrote to memory of 1192 4764 2caddaa7a9ff687601cd4b42d35f2564ed234d65518c39d8b25bd52ae52a99ec.exe 89
Processes
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C:\Users\Admin\AppData\Local\Temp\2caddaa7a9ff687601cd4b42d35f2564ed234d65518c39d8b25bd52ae52a99ec.exe"C:\Users\Admin\AppData\Local\Temp\2caddaa7a9ff687601cd4b42d35f2564ed234d65518c39d8b25bd52ae52a99ec.exe"1⤵
- Modifies WinLogon for persistence
- Adds policy Run key to start application
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4764 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"2⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1192
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