Analysis
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max time kernel
143s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
19-06-2023 19:14
Behavioral task
behavioral1
Sample
5b5cf608b31567ae075d092a726d2945dbd14def29c9aeccc96a8b85f8d94c1d.dll
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
5b5cf608b31567ae075d092a726d2945dbd14def29c9aeccc96a8b85f8d94c1d.dll
Resource
win10v2004-20230220-en
General
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Target
5b5cf608b31567ae075d092a726d2945dbd14def29c9aeccc96a8b85f8d94c1d.dll
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Size
952KB
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MD5
8a9679ee57fdea6c0358e6d1bf45f45f
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SHA1
77ea76f3aae239c0711d639b33eca3bd47ab33cf
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SHA256
5b5cf608b31567ae075d092a726d2945dbd14def29c9aeccc96a8b85f8d94c1d
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SHA512
e3a0919193cce27d8601671d9d3058933694802937082e9cd3c8f982f4beadd194361770c728f5bf426a526aada33252437cb10afa8a93bb6cf570be0ae37c4e
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SSDEEP
24576:8yQB/bF1owbwz1fy1UTqW11ZiTARnjgIOpagkxy7Ueg85u:8d9TdW1fy1UTqw1ZCsjCkqG
Malware Config
Signatures
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Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 3636 3384 WerFault.exe rundll32.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
rundll32.exepid process 3384 rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
rundll32.exedescription pid process target process PID 4388 wrote to memory of 3384 4388 rundll32.exe rundll32.exe PID 4388 wrote to memory of 3384 4388 rundll32.exe rundll32.exe PID 4388 wrote to memory of 3384 4388 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\5b5cf608b31567ae075d092a726d2945dbd14def29c9aeccc96a8b85f8d94c1d.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4388 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\5b5cf608b31567ae075d092a726d2945dbd14def29c9aeccc96a8b85f8d94c1d.dll,#12⤵
- Suspicious use of SetWindowsHookEx
PID:3384 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3384 -s 7603⤵
- Program crash
PID:3636
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 3384 -ip 33841⤵PID:5100
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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memory/3384-133-0x0000000000400000-0x0000000000734000-memory.dmpFilesize
3.2MB
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memory/3384-135-0x0000000000400000-0x0000000000734000-memory.dmpFilesize
3.2MB
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memory/3384-134-0x0000000000400000-0x0000000000734000-memory.dmpFilesize
3.2MB
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memory/3384-136-0x0000000000400000-0x0000000000734000-memory.dmpFilesize
3.2MB
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memory/3384-137-0x0000000000400000-0x0000000000734000-memory.dmpFilesize
3.2MB