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Analysis
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max time kernel
30s -
max time network
33s -
platform
windows7_x64 -
resource
win7-20230621-en -
resource tags
arch:x64arch:x86image:win7-20230621-enlocale:en-usos:windows7-x64system -
submitted
27/06/2023, 05:23
Behavioral task
behavioral1
Sample
winupdate32.dll
Resource
win7-20230621-en
3 signatures
150 seconds
Behavioral task
behavioral2
Sample
winupdate32.dll
Resource
win10v2004-20230621-en
3 signatures
150 seconds
General
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Target
winupdate32.dll
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Size
10.8MB
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MD5
241b59d56184d722844cdd0d779d6aca
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SHA1
6da1bbec809a89fd040a8ef2fcbefba1832f03f6
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SHA256
094e0d4475dd858746cf55b9a6c8b4623ee5a748acb6df6f306254d7c4145a4c
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SHA512
095dbd8abd2fd5564c6de35dee6d9a1bd8dca2ecf7faab9735ac2a48dd824708b3fecebf140a676d1b27e54a34543a6be6d2a7d6c3a494a391c3c454b8ef1511
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SSDEEP
6144:8KcvMjX7dDzkX3kpUPKfcXjcjOZnMqYmfCPAHlJqwS4Apo8MTStEpycYma0yfA4L:8KTrdDzi3kpSsczpCysWAtvBk8LGcH7
Score
7/10
Malware Config
Signatures
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resource yara_rule behavioral1/memory/1704-54-0x00000000002F0000-0x0000000000378000-memory.dmp vmprotect -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 1704 rundll32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1632 wrote to memory of 1704 1632 rundll32.exe 28 PID 1632 wrote to memory of 1704 1632 rundll32.exe 28 PID 1632 wrote to memory of 1704 1632 rundll32.exe 28 PID 1632 wrote to memory of 1704 1632 rundll32.exe 28 PID 1632 wrote to memory of 1704 1632 rundll32.exe 28 PID 1632 wrote to memory of 1704 1632 rundll32.exe 28 PID 1632 wrote to memory of 1704 1632 rundll32.exe 28
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\winupdate32.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1632 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\winupdate32.dll,#12⤵
- Suspicious use of AdjustPrivilegeToken
PID:1704
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