Analysis
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max time kernel
117s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system -
submitted
14-05-2024 04:59
Static task
static1
Behavioral task
behavioral1
Sample
51eb749d6cbd08baf9d43c2f83abd9d4d86eb5206f62ba43b768251a98ce9d3e.dll
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
51eb749d6cbd08baf9d43c2f83abd9d4d86eb5206f62ba43b768251a98ce9d3e.dll
Resource
win10-20240404-en
General
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Target
51eb749d6cbd08baf9d43c2f83abd9d4d86eb5206f62ba43b768251a98ce9d3e.dll
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Size
839KB
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MD5
e83d6092439a90af2b4b1db2ad3a9c5a
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SHA1
4da6fef533b37a12ed1e357df66802de29c1ab5c
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SHA256
51eb749d6cbd08baf9d43c2f83abd9d4d86eb5206f62ba43b768251a98ce9d3e
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SHA512
0d695785c00fa1dfa2c1825b8f8de757daae9336a674e8e723586cbe105832fbaba1c886a6554073baab725bfa9ad47042ec95a43ba94b76788dd9f8198dddd4
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SSDEEP
24576:zvA0H/qL9fu4c8JZHSE6biXLemW34Mi+4LKH:UHL9fu4hSLbiXLer4MD4WH
Malware Config
Signatures
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Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 2756 1084 WerFault.exe rundll32.exe -
Modifies registry class 3 IoCs
Processes:
rundll32.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.agnkdbd5y\DefaultIcon rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.agnkdbd5y rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.agnkdbd5y\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\fkdjsadasd.ico" rundll32.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
rundll32.exerundll32.exedescription pid process target process PID 1672 wrote to memory of 1084 1672 rundll32.exe rundll32.exe PID 1672 wrote to memory of 1084 1672 rundll32.exe rundll32.exe PID 1672 wrote to memory of 1084 1672 rundll32.exe rundll32.exe PID 1672 wrote to memory of 1084 1672 rundll32.exe rundll32.exe PID 1672 wrote to memory of 1084 1672 rundll32.exe rundll32.exe PID 1672 wrote to memory of 1084 1672 rundll32.exe rundll32.exe PID 1672 wrote to memory of 1084 1672 rundll32.exe rundll32.exe PID 1084 wrote to memory of 2756 1084 rundll32.exe WerFault.exe PID 1084 wrote to memory of 2756 1084 rundll32.exe WerFault.exe PID 1084 wrote to memory of 2756 1084 rundll32.exe WerFault.exe PID 1084 wrote to memory of 2756 1084 rundll32.exe WerFault.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\51eb749d6cbd08baf9d43c2f83abd9d4d86eb5206f62ba43b768251a98ce9d3e.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1672 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\51eb749d6cbd08baf9d43c2f83abd9d4d86eb5206f62ba43b768251a98ce9d3e.dll,#12⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1084 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1084 -s 3723⤵
- Program crash
PID:2756
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