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Analysis
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max time kernel
149s -
max time network
144s -
platform
windows10_x64 -
resource
win10v20210410 -
submitted
11/05/2021, 11:24
Static task
static1
Behavioral task
behavioral1
Sample
73a2f7ffb4bba1b2a871db0b739a91bb5855843584b1875c0631c96fa56afc31.exe
Resource
win7v20210410
Behavioral task
behavioral2
Sample
73a2f7ffb4bba1b2a871db0b739a91bb5855843584b1875c0631c96fa56afc31.exe
Resource
win10v20210410
General
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Target
73a2f7ffb4bba1b2a871db0b739a91bb5855843584b1875c0631c96fa56afc31.exe
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Size
33KB
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MD5
48bd4a72b859ab186bb7c8e6263850dd
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SHA1
c7ab0a409d14344c3b225170177f1d0e2d15cc88
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SHA256
73a2f7ffb4bba1b2a871db0b739a91bb5855843584b1875c0631c96fa56afc31
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SHA512
1734b5d6cfaa346983103906cf5cbb266599176becd0b79110bd047dfcdd870005e56dc75d6e3886f549f77ea33d0497933ac204273d0637497cb9196c78ea2e
Malware Config
Signatures
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Upatre
Upatre is a generic malware downloader.
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Executes dropped EXE 1 IoCs
pid Process 1324 szgfw.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4008 wrote to memory of 1324 4008 73a2f7ffb4bba1b2a871db0b739a91bb5855843584b1875c0631c96fa56afc31.exe 77 PID 4008 wrote to memory of 1324 4008 73a2f7ffb4bba1b2a871db0b739a91bb5855843584b1875c0631c96fa56afc31.exe 77 PID 4008 wrote to memory of 1324 4008 73a2f7ffb4bba1b2a871db0b739a91bb5855843584b1875c0631c96fa56afc31.exe 77
Processes
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C:\Users\Admin\AppData\Local\Temp\73a2f7ffb4bba1b2a871db0b739a91bb5855843584b1875c0631c96fa56afc31.exe"C:\Users\Admin\AppData\Local\Temp\73a2f7ffb4bba1b2a871db0b739a91bb5855843584b1875c0631c96fa56afc31.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:4008 -
C:\Users\Admin\AppData\Local\Temp\szgfw.exe"C:\Users\Admin\AppData\Local\Temp\szgfw.exe"2⤵
- Executes dropped EXE
PID:1324
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