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Analysis
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max time kernel
149s -
max time network
166s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
19/09/2022, 13:31
Behavioral task
behavioral1
Sample
csrss.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
csrss.exe
Resource
win10v2004-20220901-en
Behavioral task
behavioral3
Sample
ntldll.dll
Resource
win7-20220812-en
Behavioral task
behavioral4
Sample
ntldll.dll
Resource
win10v2004-20220812-en
General
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Target
ntldll.dll
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Size
1.6MB
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MD5
8e94d1896c0f3bc78111efafe42aab6b
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SHA1
b304833a43f451a36cfe02df21c34777062804e0
-
SHA256
09998574899bb40e8e846b8a8cdf8d89b9cf26195ebe503c0bb74e28f940dfaa
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SHA512
0f0a112537f96fae6cd2a95013424b1e67cd2f38c4d7436508243e3a5872a5e228d54f205a7134dc11d8924ffd2e688ca3893d69af9327237d3e33a601235abc
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SSDEEP
24576:4EbQEIwDIxw8+b5GXPPL3BC4IyKe6DkjLqx5N4ox1K85EEr8ZXngFd0Lh8ok3Ja:4Jzvw8+gXPPdCTylf+xrKEEEqXdjkQ
Malware Config
Signatures
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resource yara_rule behavioral4/memory/2328-133-0x0000000002D40000-0x00000000046F4000-memory.dmp upx behavioral4/memory/2328-134-0x0000000002D40000-0x00000000046F4000-memory.dmp upx -
Program crash 1 IoCs
pid pid_target Process procid_target 1180 2328 WerFault.exe 80 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3212 wrote to memory of 2328 3212 rundll32.exe 80 PID 3212 wrote to memory of 2328 3212 rundll32.exe 80 PID 3212 wrote to memory of 2328 3212 rundll32.exe 80
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\ntldll.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3212 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\ntldll.dll,#12⤵PID:2328
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2328 -s 6483⤵
- Program crash
PID:1180
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-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2328 -ip 23281⤵PID:2120