Analysis
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max time kernel
151s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
23-11-2022 18:27
Static task
static1
Behavioral task
behavioral1
Sample
8b218eabf5a71af489bde2b63a90459580a2f215bfe5c5e3f536cdf16aec95cb.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
8b218eabf5a71af489bde2b63a90459580a2f215bfe5c5e3f536cdf16aec95cb.exe
Resource
win10v2004-20220812-en
General
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Target
8b218eabf5a71af489bde2b63a90459580a2f215bfe5c5e3f536cdf16aec95cb.exe
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Size
1.2MB
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MD5
3cb6c82637c34036f154664c66680165
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SHA1
681bd8a88866f1d700b70fabf1a6bd372c06f779
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SHA256
8b218eabf5a71af489bde2b63a90459580a2f215bfe5c5e3f536cdf16aec95cb
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SHA512
38796eb5e945c19b4165169ac5eb3648a451d4323452c5fb9ca263d42dee87b0384e85e029663f812f1f57fd91df4b3eeb1f31a88b423cf84c29e88b23b12b99
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SSDEEP
24576:VkEBSta9vNB1MTN2kmRCCTBMR6FrLoGOxTFYOx6NmiQdzmy+/E8:DBStSvJUzmECTBiqwxio6NZKW/n
Malware Config
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
Processes:
8b218eabf5a71af489bde2b63a90459580a2f215bfe5c5e3f536cdf16aec95cb.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\userinit = "C:\\Windows\\system32\\sdra64.exe," 8b218eabf5a71af489bde2b63a90459580a2f215bfe5c5e3f536cdf16aec95cb.exe -
Drops file in System32 directory 2 IoCs
Processes:
8b218eabf5a71af489bde2b63a90459580a2f215bfe5c5e3f536cdf16aec95cb.exedescription ioc process File opened for modification C:\Windows\SysWOW64\sdra64.exe 8b218eabf5a71af489bde2b63a90459580a2f215bfe5c5e3f536cdf16aec95cb.exe File created C:\Windows\SysWOW64\sdra64.exe 8b218eabf5a71af489bde2b63a90459580a2f215bfe5c5e3f536cdf16aec95cb.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
8b218eabf5a71af489bde2b63a90459580a2f215bfe5c5e3f536cdf16aec95cb.exedescription pid process target process PID 4528 set thread context of 5000 4528 8b218eabf5a71af489bde2b63a90459580a2f215bfe5c5e3f536cdf16aec95cb.exe 8b218eabf5a71af489bde2b63a90459580a2f215bfe5c5e3f536cdf16aec95cb.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
8b218eabf5a71af489bde2b63a90459580a2f215bfe5c5e3f536cdf16aec95cb.exepid process 5000 8b218eabf5a71af489bde2b63a90459580a2f215bfe5c5e3f536cdf16aec95cb.exe 5000 8b218eabf5a71af489bde2b63a90459580a2f215bfe5c5e3f536cdf16aec95cb.exe 5000 8b218eabf5a71af489bde2b63a90459580a2f215bfe5c5e3f536cdf16aec95cb.exe 5000 8b218eabf5a71af489bde2b63a90459580a2f215bfe5c5e3f536cdf16aec95cb.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
8b218eabf5a71af489bde2b63a90459580a2f215bfe5c5e3f536cdf16aec95cb.exedescription pid process Token: SeDebugPrivilege 5000 8b218eabf5a71af489bde2b63a90459580a2f215bfe5c5e3f536cdf16aec95cb.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
8b218eabf5a71af489bde2b63a90459580a2f215bfe5c5e3f536cdf16aec95cb.exepid process 4528 8b218eabf5a71af489bde2b63a90459580a2f215bfe5c5e3f536cdf16aec95cb.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
8b218eabf5a71af489bde2b63a90459580a2f215bfe5c5e3f536cdf16aec95cb.exe8b218eabf5a71af489bde2b63a90459580a2f215bfe5c5e3f536cdf16aec95cb.exedescription pid process target process PID 4528 wrote to memory of 5000 4528 8b218eabf5a71af489bde2b63a90459580a2f215bfe5c5e3f536cdf16aec95cb.exe 8b218eabf5a71af489bde2b63a90459580a2f215bfe5c5e3f536cdf16aec95cb.exe PID 4528 wrote to memory of 5000 4528 8b218eabf5a71af489bde2b63a90459580a2f215bfe5c5e3f536cdf16aec95cb.exe 8b218eabf5a71af489bde2b63a90459580a2f215bfe5c5e3f536cdf16aec95cb.exe PID 4528 wrote to memory of 5000 4528 8b218eabf5a71af489bde2b63a90459580a2f215bfe5c5e3f536cdf16aec95cb.exe 8b218eabf5a71af489bde2b63a90459580a2f215bfe5c5e3f536cdf16aec95cb.exe PID 4528 wrote to memory of 5000 4528 8b218eabf5a71af489bde2b63a90459580a2f215bfe5c5e3f536cdf16aec95cb.exe 8b218eabf5a71af489bde2b63a90459580a2f215bfe5c5e3f536cdf16aec95cb.exe PID 4528 wrote to memory of 5000 4528 8b218eabf5a71af489bde2b63a90459580a2f215bfe5c5e3f536cdf16aec95cb.exe 8b218eabf5a71af489bde2b63a90459580a2f215bfe5c5e3f536cdf16aec95cb.exe PID 4528 wrote to memory of 5000 4528 8b218eabf5a71af489bde2b63a90459580a2f215bfe5c5e3f536cdf16aec95cb.exe 8b218eabf5a71af489bde2b63a90459580a2f215bfe5c5e3f536cdf16aec95cb.exe PID 4528 wrote to memory of 5000 4528 8b218eabf5a71af489bde2b63a90459580a2f215bfe5c5e3f536cdf16aec95cb.exe 8b218eabf5a71af489bde2b63a90459580a2f215bfe5c5e3f536cdf16aec95cb.exe PID 4528 wrote to memory of 5000 4528 8b218eabf5a71af489bde2b63a90459580a2f215bfe5c5e3f536cdf16aec95cb.exe 8b218eabf5a71af489bde2b63a90459580a2f215bfe5c5e3f536cdf16aec95cb.exe PID 5000 wrote to memory of 616 5000 8b218eabf5a71af489bde2b63a90459580a2f215bfe5c5e3f536cdf16aec95cb.exe winlogon.exe PID 5000 wrote to memory of 616 5000 8b218eabf5a71af489bde2b63a90459580a2f215bfe5c5e3f536cdf16aec95cb.exe winlogon.exe PID 5000 wrote to memory of 616 5000 8b218eabf5a71af489bde2b63a90459580a2f215bfe5c5e3f536cdf16aec95cb.exe winlogon.exe PID 5000 wrote to memory of 616 5000 8b218eabf5a71af489bde2b63a90459580a2f215bfe5c5e3f536cdf16aec95cb.exe winlogon.exe PID 5000 wrote to memory of 616 5000 8b218eabf5a71af489bde2b63a90459580a2f215bfe5c5e3f536cdf16aec95cb.exe winlogon.exe PID 5000 wrote to memory of 616 5000 8b218eabf5a71af489bde2b63a90459580a2f215bfe5c5e3f536cdf16aec95cb.exe winlogon.exe PID 5000 wrote to memory of 616 5000 8b218eabf5a71af489bde2b63a90459580a2f215bfe5c5e3f536cdf16aec95cb.exe winlogon.exe PID 5000 wrote to memory of 616 5000 8b218eabf5a71af489bde2b63a90459580a2f215bfe5c5e3f536cdf16aec95cb.exe winlogon.exe PID 5000 wrote to memory of 616 5000 8b218eabf5a71af489bde2b63a90459580a2f215bfe5c5e3f536cdf16aec95cb.exe winlogon.exe PID 5000 wrote to memory of 616 5000 8b218eabf5a71af489bde2b63a90459580a2f215bfe5c5e3f536cdf16aec95cb.exe winlogon.exe PID 5000 wrote to memory of 616 5000 8b218eabf5a71af489bde2b63a90459580a2f215bfe5c5e3f536cdf16aec95cb.exe winlogon.exe PID 5000 wrote to memory of 616 5000 8b218eabf5a71af489bde2b63a90459580a2f215bfe5c5e3f536cdf16aec95cb.exe winlogon.exe PID 5000 wrote to memory of 616 5000 8b218eabf5a71af489bde2b63a90459580a2f215bfe5c5e3f536cdf16aec95cb.exe winlogon.exe PID 5000 wrote to memory of 616 5000 8b218eabf5a71af489bde2b63a90459580a2f215bfe5c5e3f536cdf16aec95cb.exe winlogon.exe PID 5000 wrote to memory of 616 5000 8b218eabf5a71af489bde2b63a90459580a2f215bfe5c5e3f536cdf16aec95cb.exe winlogon.exe PID 5000 wrote to memory of 616 5000 8b218eabf5a71af489bde2b63a90459580a2f215bfe5c5e3f536cdf16aec95cb.exe winlogon.exe PID 5000 wrote to memory of 616 5000 8b218eabf5a71af489bde2b63a90459580a2f215bfe5c5e3f536cdf16aec95cb.exe winlogon.exe PID 5000 wrote to memory of 616 5000 8b218eabf5a71af489bde2b63a90459580a2f215bfe5c5e3f536cdf16aec95cb.exe winlogon.exe PID 5000 wrote to memory of 616 5000 8b218eabf5a71af489bde2b63a90459580a2f215bfe5c5e3f536cdf16aec95cb.exe winlogon.exe PID 5000 wrote to memory of 616 5000 8b218eabf5a71af489bde2b63a90459580a2f215bfe5c5e3f536cdf16aec95cb.exe winlogon.exe PID 5000 wrote to memory of 616 5000 8b218eabf5a71af489bde2b63a90459580a2f215bfe5c5e3f536cdf16aec95cb.exe winlogon.exe PID 5000 wrote to memory of 616 5000 8b218eabf5a71af489bde2b63a90459580a2f215bfe5c5e3f536cdf16aec95cb.exe winlogon.exe PID 5000 wrote to memory of 616 5000 8b218eabf5a71af489bde2b63a90459580a2f215bfe5c5e3f536cdf16aec95cb.exe winlogon.exe PID 5000 wrote to memory of 616 5000 8b218eabf5a71af489bde2b63a90459580a2f215bfe5c5e3f536cdf16aec95cb.exe winlogon.exe PID 5000 wrote to memory of 616 5000 8b218eabf5a71af489bde2b63a90459580a2f215bfe5c5e3f536cdf16aec95cb.exe winlogon.exe PID 5000 wrote to memory of 616 5000 8b218eabf5a71af489bde2b63a90459580a2f215bfe5c5e3f536cdf16aec95cb.exe winlogon.exe PID 5000 wrote to memory of 616 5000 8b218eabf5a71af489bde2b63a90459580a2f215bfe5c5e3f536cdf16aec95cb.exe winlogon.exe PID 5000 wrote to memory of 616 5000 8b218eabf5a71af489bde2b63a90459580a2f215bfe5c5e3f536cdf16aec95cb.exe winlogon.exe PID 5000 wrote to memory of 616 5000 8b218eabf5a71af489bde2b63a90459580a2f215bfe5c5e3f536cdf16aec95cb.exe winlogon.exe PID 5000 wrote to memory of 616 5000 8b218eabf5a71af489bde2b63a90459580a2f215bfe5c5e3f536cdf16aec95cb.exe winlogon.exe PID 5000 wrote to memory of 616 5000 8b218eabf5a71af489bde2b63a90459580a2f215bfe5c5e3f536cdf16aec95cb.exe winlogon.exe PID 5000 wrote to memory of 616 5000 8b218eabf5a71af489bde2b63a90459580a2f215bfe5c5e3f536cdf16aec95cb.exe winlogon.exe PID 5000 wrote to memory of 616 5000 8b218eabf5a71af489bde2b63a90459580a2f215bfe5c5e3f536cdf16aec95cb.exe winlogon.exe PID 5000 wrote to memory of 616 5000 8b218eabf5a71af489bde2b63a90459580a2f215bfe5c5e3f536cdf16aec95cb.exe winlogon.exe PID 5000 wrote to memory of 616 5000 8b218eabf5a71af489bde2b63a90459580a2f215bfe5c5e3f536cdf16aec95cb.exe winlogon.exe PID 5000 wrote to memory of 616 5000 8b218eabf5a71af489bde2b63a90459580a2f215bfe5c5e3f536cdf16aec95cb.exe winlogon.exe PID 5000 wrote to memory of 616 5000 8b218eabf5a71af489bde2b63a90459580a2f215bfe5c5e3f536cdf16aec95cb.exe winlogon.exe PID 5000 wrote to memory of 616 5000 8b218eabf5a71af489bde2b63a90459580a2f215bfe5c5e3f536cdf16aec95cb.exe winlogon.exe PID 5000 wrote to memory of 616 5000 8b218eabf5a71af489bde2b63a90459580a2f215bfe5c5e3f536cdf16aec95cb.exe winlogon.exe PID 5000 wrote to memory of 616 5000 8b218eabf5a71af489bde2b63a90459580a2f215bfe5c5e3f536cdf16aec95cb.exe winlogon.exe PID 5000 wrote to memory of 616 5000 8b218eabf5a71af489bde2b63a90459580a2f215bfe5c5e3f536cdf16aec95cb.exe winlogon.exe PID 5000 wrote to memory of 616 5000 8b218eabf5a71af489bde2b63a90459580a2f215bfe5c5e3f536cdf16aec95cb.exe winlogon.exe PID 5000 wrote to memory of 616 5000 8b218eabf5a71af489bde2b63a90459580a2f215bfe5c5e3f536cdf16aec95cb.exe winlogon.exe PID 5000 wrote to memory of 616 5000 8b218eabf5a71af489bde2b63a90459580a2f215bfe5c5e3f536cdf16aec95cb.exe winlogon.exe PID 5000 wrote to memory of 616 5000 8b218eabf5a71af489bde2b63a90459580a2f215bfe5c5e3f536cdf16aec95cb.exe winlogon.exe PID 5000 wrote to memory of 616 5000 8b218eabf5a71af489bde2b63a90459580a2f215bfe5c5e3f536cdf16aec95cb.exe winlogon.exe PID 5000 wrote to memory of 616 5000 8b218eabf5a71af489bde2b63a90459580a2f215bfe5c5e3f536cdf16aec95cb.exe winlogon.exe PID 5000 wrote to memory of 616 5000 8b218eabf5a71af489bde2b63a90459580a2f215bfe5c5e3f536cdf16aec95cb.exe winlogon.exe PID 5000 wrote to memory of 616 5000 8b218eabf5a71af489bde2b63a90459580a2f215bfe5c5e3f536cdf16aec95cb.exe winlogon.exe PID 5000 wrote to memory of 616 5000 8b218eabf5a71af489bde2b63a90459580a2f215bfe5c5e3f536cdf16aec95cb.exe winlogon.exe PID 5000 wrote to memory of 616 5000 8b218eabf5a71af489bde2b63a90459580a2f215bfe5c5e3f536cdf16aec95cb.exe winlogon.exe PID 5000 wrote to memory of 616 5000 8b218eabf5a71af489bde2b63a90459580a2f215bfe5c5e3f536cdf16aec95cb.exe winlogon.exe PID 5000 wrote to memory of 616 5000 8b218eabf5a71af489bde2b63a90459580a2f215bfe5c5e3f536cdf16aec95cb.exe winlogon.exe PID 5000 wrote to memory of 616 5000 8b218eabf5a71af489bde2b63a90459580a2f215bfe5c5e3f536cdf16aec95cb.exe winlogon.exe PID 5000 wrote to memory of 616 5000 8b218eabf5a71af489bde2b63a90459580a2f215bfe5c5e3f536cdf16aec95cb.exe winlogon.exe PID 5000 wrote to memory of 616 5000 8b218eabf5a71af489bde2b63a90459580a2f215bfe5c5e3f536cdf16aec95cb.exe winlogon.exe
Processes
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C:\Windows\system32\winlogon.exewinlogon.exe1⤵PID:616
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C:\Users\Admin\AppData\Local\Temp\8b218eabf5a71af489bde2b63a90459580a2f215bfe5c5e3f536cdf16aec95cb.exe"C:\Users\Admin\AppData\Local\Temp\8b218eabf5a71af489bde2b63a90459580a2f215bfe5c5e3f536cdf16aec95cb.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4528 -
C:\Users\Admin\AppData\Local\Temp\8b218eabf5a71af489bde2b63a90459580a2f215bfe5c5e3f536cdf16aec95cb.exe"C:\Users\Admin\AppData\Local\Temp\8b218eabf5a71af489bde2b63a90459580a2f215bfe5c5e3f536cdf16aec95cb.exe"2⤵
- Modifies WinLogon for persistence
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5000