Analysis
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max time kernel
126s -
max time network
135s -
platform
windows10-2004_x64 -
resource
win10v2004-20231025-en -
resource tags
arch:x64arch:x86image:win10v2004-20231025-enlocale:en-usos:windows10-2004-x64system -
submitted
25-11-2023 01:09
Static task
static1
Behavioral task
behavioral1
Sample
iumbase.dll
Resource
win7-20231023-en
Behavioral task
behavioral2
Sample
iumbase.dll
Resource
win10v2004-20231020-en
Behavioral task
behavioral3
Sample
iumbasex.dll
Resource
win10v2004-20231020-en
Behavioral task
behavioral4
Sample
printsupport/windowsprintersupport.dll
Resource
win7-20231020-en
Behavioral task
behavioral5
Sample
printsupport/windowsprintersupport.dll
Resource
win10v2004-20231025-en
Behavioral task
behavioral6
Sample
setup.exe
Resource
win10v2004-20231023-en
Behavioral task
behavioral7
Sample
vcruntime140.dll
Resource
win7-20231023-en
Behavioral task
behavioral8
Sample
vcruntime140.dll
Resource
win10v2004-20231023-en
General
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Target
printsupport/windowsprintersupport.dll
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Size
50KB
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MD5
1184f4fb8efae468729c62787c9ed80b
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SHA1
a06e3f759dc4bee0b9badeb7a5a67dfeebbf141f
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SHA256
c075c95d5153de4005f0e6804eb4f783886d10b683712ed00ef09a6629d6917a
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SHA512
2ef35e76f950218f3fabb3f53244366cc7de6d61ba090f3c312eea8b7457b239daae65d05fe3a0bd2a7236afc4eb0434aec7f8042e0c5db1d118fe0e11e04f53
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SSDEEP
1536:Rjw/NzbbQqgujx+DUcde+Q/Zj1VyZbueH3hfa:RjH4ude+QRj1VyZbue1a
Malware Config
Signatures
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Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3824 wrote to memory of 4676 3824 rundll32.exe 85 PID 3824 wrote to memory of 4676 3824 rundll32.exe 85 PID 3824 wrote to memory of 4676 3824 rundll32.exe 85
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\printsupport\windowsprintersupport.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3824 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\printsupport\windowsprintersupport.dll,#12⤵PID:4676
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