Analysis
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max time kernel
118s -
max time network
126s -
platform
windows7_x64 -
resource
win7-en-20211208 -
submitted
14-12-2021 07:05
Static task
static1
Behavioral task
behavioral1
Sample
3935906e0dd97de6a439dcacab2676d1790c179135bb4e2cb781c95a4ecb0742.dll
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
3935906e0dd97de6a439dcacab2676d1790c179135bb4e2cb781c95a4ecb0742.dll
Resource
win10-en-20211208
General
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Target
3935906e0dd97de6a439dcacab2676d1790c179135bb4e2cb781c95a4ecb0742.dll
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Size
522KB
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MD5
32dcc8ff4729cebbe0b103b77ea9a0b2
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SHA1
19ff87a1a773aa282997e2df0820933f6108fbaf
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SHA256
3935906e0dd97de6a439dcacab2676d1790c179135bb4e2cb781c95a4ecb0742
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SHA512
f99b5ffe0d9f9a3d6a2b61e4c5f14b4f71cc23e4887a7357b124c108ddc3327bcd65b393b1472f4a794ad06eff10babae7369c2010ee1056011d433bc52fba7f
Malware Config
Extracted
matanbuchus
https://belialq449663.at/f5126584-3f68-4e0c-868a-dcb2455f8146/Y2xpbnRvbjQ1.xml
https://belialw869367.at/f5126584-3f68-4e0c-868a-dcb2455f8146/Y2xpbnRvbjQ1.xml
https://beliale232634.at/b0868b6b-7f2c-4ac6-ba54-ba9b13744d17/clinton45.xml
https://belialr878539.at/b0868b6b-7f2c-4ac6-ba54-ba9b13744d17/clinton45.xml
https://belialp632298.at/b0868b6b-7f2c-4ac6-ba54-ba9b13744d17/clinton45.xml
Signatures
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Matanbuchus
A loader sold as MaaS first seen in February 2021.
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Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 956 wrote to memory of 1568 956 rundll32.exe 27 PID 956 wrote to memory of 1568 956 rundll32.exe 27 PID 956 wrote to memory of 1568 956 rundll32.exe 27 PID 956 wrote to memory of 1568 956 rundll32.exe 27 PID 956 wrote to memory of 1568 956 rundll32.exe 27 PID 956 wrote to memory of 1568 956 rundll32.exe 27 PID 956 wrote to memory of 1568 956 rundll32.exe 27
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\3935906e0dd97de6a439dcacab2676d1790c179135bb4e2cb781c95a4ecb0742.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:956 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\3935906e0dd97de6a439dcacab2676d1790c179135bb4e2cb781c95a4ecb0742.dll,#12⤵PID:1568
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