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Analysis
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max time kernel
143s -
max time network
130s -
platform
windows7_x64 -
resource
win7-20231025-en -
resource tags
arch:x64arch:x86image:win7-20231025-enlocale:en-usos:windows7-x64system -
submitted
15/11/2023, 15:39
Behavioral task
behavioral1
Sample
NEAS.f4b90e1ceaa1c88458604f34205b55f5cc7bbd11dc9da6e5fb0b2dd20215774a.dll
Resource
win7-20231025-en
Behavioral task
behavioral2
Sample
NEAS.f4b90e1ceaa1c88458604f34205b55f5cc7bbd11dc9da6e5fb0b2dd20215774a.dll
Resource
win10v2004-20231023-en
General
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Target
NEAS.f4b90e1ceaa1c88458604f34205b55f5cc7bbd11dc9da6e5fb0b2dd20215774a.dll
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Size
275KB
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MD5
5ba487dee668508c9f96acda32c5d84c
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SHA1
02a6f24bf056fc8c10200c3a85bc56cf12d9b7dd
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SHA256
f4b90e1ceaa1c88458604f34205b55f5cc7bbd11dc9da6e5fb0b2dd20215774a
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SHA512
4bfe6182e3275a4cede4be5c838de299504c95c28d603fb32db4ebdabad8d827055a2e8709204a801fb66420811b881663e11080da036bc79b9b67173cda5111
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SSDEEP
6144:+RR5rhZFQGrsUwF7vlPoSyHAV2A+lPM6u:+R5nWFpPoSKu
Malware Config
Signatures
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resource yara_rule behavioral1/memory/1980-0-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral1/memory/1980-1-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral1/memory/1980-2-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral1/memory/1980-3-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral1/memory/1980-4-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral1/memory/1980-5-0x0000000010000000-0x000000001003E000-memory.dmp upx -
Program crash 1 IoCs
pid pid_target Process procid_target 2988 1980 WerFault.exe 28 -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1980 rundll32.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 2036 wrote to memory of 1980 2036 rundll32.exe 28 PID 2036 wrote to memory of 1980 2036 rundll32.exe 28 PID 2036 wrote to memory of 1980 2036 rundll32.exe 28 PID 2036 wrote to memory of 1980 2036 rundll32.exe 28 PID 2036 wrote to memory of 1980 2036 rundll32.exe 28 PID 2036 wrote to memory of 1980 2036 rundll32.exe 28 PID 2036 wrote to memory of 1980 2036 rundll32.exe 28 PID 1980 wrote to memory of 2988 1980 rundll32.exe 29 PID 1980 wrote to memory of 2988 1980 rundll32.exe 29 PID 1980 wrote to memory of 2988 1980 rundll32.exe 29 PID 1980 wrote to memory of 2988 1980 rundll32.exe 29
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.f4b90e1ceaa1c88458604f34205b55f5cc7bbd11dc9da6e5fb0b2dd20215774a.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2036 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.f4b90e1ceaa1c88458604f34205b55f5cc7bbd11dc9da6e5fb0b2dd20215774a.dll,#12⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1980 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1980 -s 2523⤵
- Program crash
PID:2988
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