Analysis
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max time kernel
15s -
max time network
15s -
platform
windows10_x64 -
resource
win10v20210408 -
submitted
03/05/2021, 06:41
Static task
static1
Behavioral task
behavioral1
Sample
filee.exe
Resource
win10v20210408
Behavioral task
behavioral2
Sample
filee.exe
Resource
win10v20210408
Behavioral task
behavioral3
Sample
filee.exe
Resource
win10v20210408
Behavioral task
behavioral4
Sample
filee.exe
Resource
win10v20210410
Behavioral task
behavioral5
Sample
filee.exe
Resource
win7v20210408
General
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Target
filee.exe
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Size
128KB
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MD5
3bc84c0e8831842f2ae263789217245d
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SHA1
d60b174c7f8372036da1eb0a955200b1bb244387
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SHA256
757e7c2569cc52c9e1639fbca06e957cb40f775d5cb1a8aafa670131b62b0824
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SHA512
f3117a6bd79db1d67dce2c67d539c56c177caed9f0b5b019dfb0034f28cb2e79e248893171c2ad78cbca358c2f5813edb17f0126ab40cfe08f9a6357f233f2e4
Malware Config
Signatures
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Legitimate hosting services abused for malware hosting/C2 1 TTPs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349 filee.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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 filee.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 1236 PING.EXE -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 796 wrote to memory of 2868 796 filee.exe 75 PID 796 wrote to memory of 2868 796 filee.exe 75 PID 796 wrote to memory of 2868 796 filee.exe 75 PID 2868 wrote to memory of 1236 2868 cmd.exe 77 PID 2868 wrote to memory of 1236 2868 cmd.exe 77 PID 2868 wrote to memory of 1236 2868 cmd.exe 77
Processes
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C:\Users\Admin\AppData\Local\Temp\filee.exe"C:\Users\Admin\AppData\Local\Temp\filee.exe"1⤵
- Modifies system certificate store
- Suspicious use of WriteProcessMemory
PID:796 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c ping 127.0.0.1 && del "C:\Users\Admin\AppData\Local\Temp\filee.exe" >> NUL2⤵
- Suspicious use of WriteProcessMemory
PID:2868 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:1236
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