Analysis
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max time kernel
141s -
max time network
125s -
platform
windows7_x64 -
resource
win7-20231020-en -
resource tags
arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system -
submitted
05-11-2023 11:49
Behavioral task
behavioral1
Sample
4bd162ddd32e30e88fdc6026a0c7500589cb7c04ce05ec4ed6748fa79a4f20ff.dll
Resource
win7-20231020-en
windows7-x64
4 signatures
150 seconds
Behavioral task
behavioral2
Sample
4bd162ddd32e30e88fdc6026a0c7500589cb7c04ce05ec4ed6748fa79a4f20ff.dll
Resource
win10v2004-20231023-en
windows10-2004-x64
4 signatures
150 seconds
General
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Target
4bd162ddd32e30e88fdc6026a0c7500589cb7c04ce05ec4ed6748fa79a4f20ff.dll
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Size
1.7MB
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MD5
67cdb1df99de654315566e738621867d
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SHA1
4b1f8a0e4e9811233d360ca634eccfd59c6ba8fd
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SHA256
4bd162ddd32e30e88fdc6026a0c7500589cb7c04ce05ec4ed6748fa79a4f20ff
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SHA512
fa8ae409ff9f2400499199933a61069099e5cc1a23df13ee07661b92ad0ae91e67d23d3233bdc61c4b206fa3771283840dd39876cead7386c60817ed4cf90363
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SSDEEP
49152:MdZIyW2XRosXxsBD+Jb3+1DXBnOBnQBYut6aFiuMcNglw9dN:mbW2h8I+1DXBOlEt60iuMcNglSdN
Score
7/10
Malware Config
Signatures
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resource yara_rule behavioral1/memory/1276-0-0x0000000010000000-0x00000000104FB000-memory.dmp upx behavioral1/memory/1276-1-0x0000000010000000-0x00000000104FB000-memory.dmp upx behavioral1/memory/1276-2-0x0000000010000000-0x00000000104FB000-memory.dmp upx behavioral1/memory/1276-4-0x0000000010000000-0x00000000104FB000-memory.dmp upx behavioral1/memory/1276-6-0x0000000010000000-0x00000000104FB000-memory.dmp upx -
Drops file in System32 directory 2 IoCs
description ioc Process File created C:\Windows\SysWOW64\HPSocket4C.dll rundll32.exe File created C:\Windows\SysWOW64\rapidjson.dll rundll32.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 1992 1276 WerFault.exe 28 -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 2332 wrote to memory of 1276 2332 rundll32.exe 28 PID 2332 wrote to memory of 1276 2332 rundll32.exe 28 PID 2332 wrote to memory of 1276 2332 rundll32.exe 28 PID 2332 wrote to memory of 1276 2332 rundll32.exe 28 PID 2332 wrote to memory of 1276 2332 rundll32.exe 28 PID 2332 wrote to memory of 1276 2332 rundll32.exe 28 PID 2332 wrote to memory of 1276 2332 rundll32.exe 28 PID 1276 wrote to memory of 1992 1276 rundll32.exe 29 PID 1276 wrote to memory of 1992 1276 rundll32.exe 29 PID 1276 wrote to memory of 1992 1276 rundll32.exe 29 PID 1276 wrote to memory of 1992 1276 rundll32.exe 29
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\4bd162ddd32e30e88fdc6026a0c7500589cb7c04ce05ec4ed6748fa79a4f20ff.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2332 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\4bd162ddd32e30e88fdc6026a0c7500589cb7c04ce05ec4ed6748fa79a4f20ff.dll,#12⤵
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:1276 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1276 -s 3403⤵
- Program crash
PID:1992
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