Analysis
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max time kernel
24s -
max time network
34s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
30-05-2023 04:35
Behavioral task
behavioral1
Sample
About/About.pdf
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
About/About.pdf
Resource
win10v2004-20230220-en
Behavioral task
behavioral3
Sample
UpdatePack-KB971033-x64.exe
Resource
win7-20230220-en
Behavioral task
behavioral4
Sample
UpdatePack-KB971033-x64.exe
Resource
win10v2004-20230220-en
General
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Target
UpdatePack-KB971033-x64.exe
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Size
656.4MB
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MD5
70e0aff711faae8f8d22bd77a6360985
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SHA1
6a9a40557c9491f453f10bf4cced5acfb9b42149
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SHA256
1faa0a86d8c56f85c46e1790c28d3c382ba4de6c7a6c8a0187f38fa52ee3c60d
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SHA512
8437b22e9f3f41cb92c19756bd0d7678245d38237eed682a97ff2f434977df6195712396f26480677a97fc29d3b5bbf789d5e40b5769d732df1f1fea025b2e34
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SSDEEP
6144:lMkSD+z3hVyHzDDzYepZZMSohQL6ncCDQRs3TXIrkUAlBSnSt/P:lu8kDPYs/johHREkDoSFP
Malware Config
Signatures
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Rhadamanthys
Rhadamanthys is an info stealer written in C++ first seen in August 2022.
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Uses the VBS compiler for execution 1 TTPs
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Suspicious use of SetThreadContext 1 IoCs
Processes:
UpdatePack-KB971033-x64.exedescription pid process target process PID 2004 set thread context of 1720 2004 UpdatePack-KB971033-x64.exe vbc.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
UpdatePack-KB971033-x64.exedescription pid process target process PID 2004 wrote to memory of 1720 2004 UpdatePack-KB971033-x64.exe vbc.exe PID 2004 wrote to memory of 1720 2004 UpdatePack-KB971033-x64.exe vbc.exe PID 2004 wrote to memory of 1720 2004 UpdatePack-KB971033-x64.exe vbc.exe PID 2004 wrote to memory of 1720 2004 UpdatePack-KB971033-x64.exe vbc.exe PID 2004 wrote to memory of 1720 2004 UpdatePack-KB971033-x64.exe vbc.exe PID 2004 wrote to memory of 1720 2004 UpdatePack-KB971033-x64.exe vbc.exe PID 2004 wrote to memory of 1720 2004 UpdatePack-KB971033-x64.exe vbc.exe PID 2004 wrote to memory of 1720 2004 UpdatePack-KB971033-x64.exe vbc.exe PID 2004 wrote to memory of 1720 2004 UpdatePack-KB971033-x64.exe vbc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\UpdatePack-KB971033-x64.exe"C:\Users\Admin\AppData\Local\Temp\UpdatePack-KB971033-x64.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2004 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"2⤵PID:1720
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