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Analysis
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max time kernel
187s -
max time network
190s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
01/12/2022, 23:55
Static task
static1
Behavioral task
behavioral1
Sample
5ecfa72f7d87ec8d07da4d2cc2f4c2fcf8f0a603d00f42ab2200298cddf9ffdc.exe
Resource
win7-20220812-en
windows7-x64
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
5ecfa72f7d87ec8d07da4d2cc2f4c2fcf8f0a603d00f42ab2200298cddf9ffdc.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
11 signatures
150 seconds
General
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Target
5ecfa72f7d87ec8d07da4d2cc2f4c2fcf8f0a603d00f42ab2200298cddf9ffdc.exe
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Size
88KB
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MD5
1179b76817a9f6f07639e0eb53902d60
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SHA1
e4d54969ca5375ff93cf5c149572ac251112fe2a
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SHA256
5ecfa72f7d87ec8d07da4d2cc2f4c2fcf8f0a603d00f42ab2200298cddf9ffdc
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SHA512
a3b69163af9ccc52b9c62f43c3b31af07ac917ab339d63091d8ff4b411e82dc4e4ea9d085a91e8d0c7b20b512df0d64b873517e355ffbe72ea722b41d8ed229e
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SSDEEP
1536:D1iFcUlKtAZGitxt2m2fif2By+cXKHsu/sEmoIN8jgj:8FJlKtAZGUtfyXBIXKEEmoIyjg
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-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 5ecfa72f7d87ec8d07da4d2cc2f4c2fcf8f0a603d00f42ab2200298cddf9ffdc.exe Set value (int) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" yeqov.exe -
Executes dropped EXE 2 IoCs
pid Process 4300 yeqov.exe 3688 yeqov.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-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation 5ecfa72f7d87ec8d07da4d2cc2f4c2fcf8f0a603d00f42ab2200298cddf9ffdc.exe -
Adds Run key to start application 2 TTPs 28 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yeqov = "C:\\Users\\Admin\\yeqov.exe /v" yeqov.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yeqov = "C:\\Users\\Admin\\yeqov.exe /y" yeqov.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yeqov = "C:\\Users\\Admin\\yeqov.exe /o" yeqov.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yeqov = "C:\\Users\\Admin\\yeqov.exe /u" yeqov.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yeqov = "C:\\Users\\Admin\\yeqov.exe /w" yeqov.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yeqov = "C:\\Users\\Admin\\yeqov.exe /g" yeqov.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yeqov = "C:\\Users\\Admin\\yeqov.exe /a" yeqov.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows\CurrentVersion\Run\ yeqov.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yeqov = "C:\\Users\\Admin\\yeqov.exe /i" yeqov.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yeqov = "C:\\Users\\Admin\\yeqov.exe /b" yeqov.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yeqov = "C:\\Users\\Admin\\yeqov.exe /r" yeqov.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yeqov = "C:\\Users\\Admin\\yeqov.exe /x" yeqov.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yeqov = "C:\\Users\\Admin\\yeqov.exe /h" yeqov.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yeqov = "C:\\Users\\Admin\\yeqov.exe /l" yeqov.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 5ecfa72f7d87ec8d07da4d2cc2f4c2fcf8f0a603d00f42ab2200298cddf9ffdc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yeqov = "C:\\Users\\Admin\\yeqov.exe /q" 5ecfa72f7d87ec8d07da4d2cc2f4c2fcf8f0a603d00f42ab2200298cddf9ffdc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yeqov = "C:\\Users\\Admin\\yeqov.exe /t" yeqov.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yeqov = "C:\\Users\\Admin\\yeqov.exe /j" yeqov.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yeqov = "C:\\Users\\Admin\\yeqov.exe /z" yeqov.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yeqov = "C:\\Users\\Admin\\yeqov.exe /p" yeqov.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yeqov = "C:\\Users\\Admin\\yeqov.exe /e" yeqov.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yeqov = "C:\\Users\\Admin\\yeqov.exe /q" yeqov.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yeqov = "C:\\Users\\Admin\\yeqov.exe /f" yeqov.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yeqov = "C:\\Users\\Admin\\yeqov.exe /k" yeqov.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yeqov = "C:\\Users\\Admin\\yeqov.exe /m" yeqov.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yeqov = "C:\\Users\\Admin\\yeqov.exe /n" yeqov.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yeqov = "C:\\Users\\Admin\\yeqov.exe /s" yeqov.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yeqov = "C:\\Users\\Admin\\yeqov.exe /d" yeqov.exe -
Maps connected drives based on registry 3 TTPs 4 IoCs
Disk information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum yeqov.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 yeqov.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum 5ecfa72f7d87ec8d07da4d2cc2f4c2fcf8f0a603d00f42ab2200298cddf9ffdc.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 5ecfa72f7d87ec8d07da4d2cc2f4c2fcf8f0a603d00f42ab2200298cddf9ffdc.exe -
Drops autorun.inf file 1 TTPs 1 IoCs
Malware can abuse Windows Autorun to spread further via attached volumes.
description ioc Process File opened for modification C:\Users\Admin\c\autorun.inf yeqov.exe -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 2436 set thread context of 776 2436 5ecfa72f7d87ec8d07da4d2cc2f4c2fcf8f0a603d00f42ab2200298cddf9ffdc.exe 78 PID 4300 set thread context of 3688 4300 yeqov.exe 80 -
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 776 5ecfa72f7d87ec8d07da4d2cc2f4c2fcf8f0a603d00f42ab2200298cddf9ffdc.exe 776 5ecfa72f7d87ec8d07da4d2cc2f4c2fcf8f0a603d00f42ab2200298cddf9ffdc.exe 3688 yeqov.exe 3688 yeqov.exe 3688 yeqov.exe 3688 yeqov.exe 3688 yeqov.exe 3688 yeqov.exe 3688 yeqov.exe 3688 yeqov.exe 3688 yeqov.exe 3688 yeqov.exe 3688 yeqov.exe 3688 yeqov.exe 3688 yeqov.exe 3688 yeqov.exe 3688 yeqov.exe 3688 yeqov.exe 3688 yeqov.exe 3688 yeqov.exe 3688 yeqov.exe 3688 yeqov.exe 3688 yeqov.exe 3688 yeqov.exe 3688 yeqov.exe 3688 yeqov.exe 3688 yeqov.exe 3688 yeqov.exe 3688 yeqov.exe 3688 yeqov.exe 3688 yeqov.exe 3688 yeqov.exe 3688 yeqov.exe 3688 yeqov.exe 3688 yeqov.exe 3688 yeqov.exe 3688 yeqov.exe 3688 yeqov.exe 3688 yeqov.exe 3688 yeqov.exe 3688 yeqov.exe 3688 yeqov.exe 3688 yeqov.exe 3688 yeqov.exe 3688 yeqov.exe 3688 yeqov.exe 3688 yeqov.exe 3688 yeqov.exe 3688 yeqov.exe 3688 yeqov.exe 3688 yeqov.exe 3688 yeqov.exe 3688 yeqov.exe 3688 yeqov.exe 3688 yeqov.exe 3688 yeqov.exe 3688 yeqov.exe 3688 yeqov.exe 3688 yeqov.exe 3688 yeqov.exe 3688 yeqov.exe 3688 yeqov.exe 3688 yeqov.exe 3688 yeqov.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 2436 5ecfa72f7d87ec8d07da4d2cc2f4c2fcf8f0a603d00f42ab2200298cddf9ffdc.exe 776 5ecfa72f7d87ec8d07da4d2cc2f4c2fcf8f0a603d00f42ab2200298cddf9ffdc.exe 4300 yeqov.exe 3688 yeqov.exe -
Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 2436 wrote to memory of 776 2436 5ecfa72f7d87ec8d07da4d2cc2f4c2fcf8f0a603d00f42ab2200298cddf9ffdc.exe 78 PID 2436 wrote to memory of 776 2436 5ecfa72f7d87ec8d07da4d2cc2f4c2fcf8f0a603d00f42ab2200298cddf9ffdc.exe 78 PID 2436 wrote to memory of 776 2436 5ecfa72f7d87ec8d07da4d2cc2f4c2fcf8f0a603d00f42ab2200298cddf9ffdc.exe 78 PID 2436 wrote to memory of 776 2436 5ecfa72f7d87ec8d07da4d2cc2f4c2fcf8f0a603d00f42ab2200298cddf9ffdc.exe 78 PID 2436 wrote to memory of 776 2436 5ecfa72f7d87ec8d07da4d2cc2f4c2fcf8f0a603d00f42ab2200298cddf9ffdc.exe 78 PID 2436 wrote to memory of 776 2436 5ecfa72f7d87ec8d07da4d2cc2f4c2fcf8f0a603d00f42ab2200298cddf9ffdc.exe 78 PID 2436 wrote to memory of 776 2436 5ecfa72f7d87ec8d07da4d2cc2f4c2fcf8f0a603d00f42ab2200298cddf9ffdc.exe 78 PID 2436 wrote to memory of 776 2436 5ecfa72f7d87ec8d07da4d2cc2f4c2fcf8f0a603d00f42ab2200298cddf9ffdc.exe 78 PID 2436 wrote to memory of 776 2436 5ecfa72f7d87ec8d07da4d2cc2f4c2fcf8f0a603d00f42ab2200298cddf9ffdc.exe 78 PID 776 wrote to memory of 4300 776 5ecfa72f7d87ec8d07da4d2cc2f4c2fcf8f0a603d00f42ab2200298cddf9ffdc.exe 79 PID 776 wrote to memory of 4300 776 5ecfa72f7d87ec8d07da4d2cc2f4c2fcf8f0a603d00f42ab2200298cddf9ffdc.exe 79 PID 776 wrote to memory of 4300 776 5ecfa72f7d87ec8d07da4d2cc2f4c2fcf8f0a603d00f42ab2200298cddf9ffdc.exe 79 PID 4300 wrote to memory of 3688 4300 yeqov.exe 80 PID 4300 wrote to memory of 3688 4300 yeqov.exe 80 PID 4300 wrote to memory of 3688 4300 yeqov.exe 80 PID 4300 wrote to memory of 3688 4300 yeqov.exe 80 PID 4300 wrote to memory of 3688 4300 yeqov.exe 80 PID 4300 wrote to memory of 3688 4300 yeqov.exe 80 PID 4300 wrote to memory of 3688 4300 yeqov.exe 80 PID 4300 wrote to memory of 3688 4300 yeqov.exe 80 PID 4300 wrote to memory of 3688 4300 yeqov.exe 80
Processes
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C:\Users\Admin\AppData\Local\Temp\5ecfa72f7d87ec8d07da4d2cc2f4c2fcf8f0a603d00f42ab2200298cddf9ffdc.exe"C:\Users\Admin\AppData\Local\Temp\5ecfa72f7d87ec8d07da4d2cc2f4c2fcf8f0a603d00f42ab2200298cddf9ffdc.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2436 -
C:\Users\Admin\AppData\Local\Temp\5ecfa72f7d87ec8d07da4d2cc2f4c2fcf8f0a603d00f42ab2200298cddf9ffdc.exe742⤵
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Adds Run key to start application
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:776 -
C:\Users\Admin\yeqov.exe"C:\Users\Admin\yeqov.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4300 -
C:\Users\Admin\yeqov.exe744⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Maps connected drives based on registry
- Drops autorun.inf file
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:3688
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
88KB
MD51179b76817a9f6f07639e0eb53902d60
SHA1e4d54969ca5375ff93cf5c149572ac251112fe2a
SHA2565ecfa72f7d87ec8d07da4d2cc2f4c2fcf8f0a603d00f42ab2200298cddf9ffdc
SHA512a3b69163af9ccc52b9c62f43c3b31af07ac917ab339d63091d8ff4b411e82dc4e4ea9d085a91e8d0c7b20b512df0d64b873517e355ffbe72ea722b41d8ed229e
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Filesize
88KB
MD51179b76817a9f6f07639e0eb53902d60
SHA1e4d54969ca5375ff93cf5c149572ac251112fe2a
SHA2565ecfa72f7d87ec8d07da4d2cc2f4c2fcf8f0a603d00f42ab2200298cddf9ffdc
SHA512a3b69163af9ccc52b9c62f43c3b31af07ac917ab339d63091d8ff4b411e82dc4e4ea9d085a91e8d0c7b20b512df0d64b873517e355ffbe72ea722b41d8ed229e
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Filesize
88KB
MD51179b76817a9f6f07639e0eb53902d60
SHA1e4d54969ca5375ff93cf5c149572ac251112fe2a
SHA2565ecfa72f7d87ec8d07da4d2cc2f4c2fcf8f0a603d00f42ab2200298cddf9ffdc
SHA512a3b69163af9ccc52b9c62f43c3b31af07ac917ab339d63091d8ff4b411e82dc4e4ea9d085a91e8d0c7b20b512df0d64b873517e355ffbe72ea722b41d8ed229e