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Analysis
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max time kernel
160s -
max time network
169s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
19/09/2022, 06:05
Behavioral task
behavioral1
Sample
c631fced0f74c5202e5b6dda8505ed786826b3f8f291cb96f25f7977477b3b15.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
c631fced0f74c5202e5b6dda8505ed786826b3f8f291cb96f25f7977477b3b15.exe
Resource
win10v2004-20220812-en
General
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Target
c631fced0f74c5202e5b6dda8505ed786826b3f8f291cb96f25f7977477b3b15.exe
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Size
5KB
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MD5
40a2d46d430b793ef9bf9b8fa472c89c
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SHA1
a241a7ab0945098746686deddf50bd8d814691b8
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SHA256
c631fced0f74c5202e5b6dda8505ed786826b3f8f291cb96f25f7977477b3b15
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SHA512
07653fea5d4bb5a1f12f2cb863d91c0ea0e4a13d49e561c04a53a3e80605526de11439f15d70dc1b8c20c320c7a53fbcec1713d50a5d11291092e63f7e89beda
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SSDEEP
96:IBDzxCW0EQfNF9kSQpPJxLnO2tlQDiTG7jqwbq:qcPFLQpfLnOwQDoG7jqwbq
Malware Config
Signatures
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resource yara_rule behavioral2/memory/1828-132-0x0000000000400000-0x0000000000407000-memory.dmp upx behavioral2/memory/1828-134-0x0000000000400000-0x0000000000407000-memory.dmp upx -
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 c631fced0f74c5202e5b6dda8505ed786826b3f8f291cb96f25f7977477b3b15.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Program crash 1 IoCs
pid pid_target Process procid_target 4676 1828 WerFault.exe 16 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1828 wrote to memory of 4632 1828 c631fced0f74c5202e5b6dda8505ed786826b3f8f291cb96f25f7977477b3b15.exe 79 PID 1828 wrote to memory of 4632 1828 c631fced0f74c5202e5b6dda8505ed786826b3f8f291cb96f25f7977477b3b15.exe 79 PID 1828 wrote to memory of 4632 1828 c631fced0f74c5202e5b6dda8505ed786826b3f8f291cb96f25f7977477b3b15.exe 79
Processes
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C:\Users\Admin\AppData\Local\Temp\c631fced0f74c5202e5b6dda8505ed786826b3f8f291cb96f25f7977477b3b15.exe"C:\Users\Admin\AppData\Local\Temp\c631fced0f74c5202e5b6dda8505ed786826b3f8f291cb96f25f7977477b3b15.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1828 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\c631fced0f74c5202e5b6dda8505ed786826b3f8f291cb96f25f7977477b3b15.exe > nul2⤵PID:4632
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1828 -s 15482⤵
- Program crash
PID:4676
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 1828 -ip 18281⤵PID:4696