Analysis
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max time kernel
94s -
max time network
98s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
03/10/2024, 05:31
Behavioral task
behavioral1
Sample
4541d7d90bdb370b2f490c7f056d35635d7d69550132a3906b3b4db405101bcdN.dll
Resource
win7-20240903-en
3 signatures
120 seconds
General
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Target
4541d7d90bdb370b2f490c7f056d35635d7d69550132a3906b3b4db405101bcdN.dll
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Size
1.7MB
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MD5
83832fd96aa8b00c0f9cab1593e06710
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SHA1
515ad24124186caa5d7a23ebe788fe0a534ad60e
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SHA256
4541d7d90bdb370b2f490c7f056d35635d7d69550132a3906b3b4db405101bcd
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SHA512
9f2b5a9fccf39bd07c9d4b72b40deabd5549939cd7952d04109cb63fb5cb208cebb9cd74c9009c0e0203342c4e96a64bb04d8f2f7886683361b43676b409459a
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SSDEEP
49152:UCaoP4K0x3LRDrTLV9DjOeYXcOEKxiy9b:UBoPZKbNnXEXc1Kxiy9b
Malware Config
Signatures
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resource yara_rule behavioral2/memory/4516-0-0x0000000000400000-0x00000000005C6000-memory.dmp vmprotect -
Program crash 1 IoCs
pid pid_target Process procid_target 4508 4516 WerFault.exe 82 -
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3904 wrote to memory of 4516 3904 rundll32.exe 82 PID 3904 wrote to memory of 4516 3904 rundll32.exe 82 PID 3904 wrote to memory of 4516 3904 rundll32.exe 82
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\4541d7d90bdb370b2f490c7f056d35635d7d69550132a3906b3b4db405101bcdN.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3904 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\4541d7d90bdb370b2f490c7f056d35635d7d69550132a3906b3b4db405101bcdN.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:4516 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4516 -s 6523⤵
- Program crash
PID:4508
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4516 -ip 45161⤵PID:3808