Analysis
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max time kernel
150s -
max time network
158s -
platform
windows10-2004_x64 -
resource
win10v2004-20240704-en -
resource tags
arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system -
submitted
06-07-2024 15:57
Static task
static1
Behavioral task
behavioral1
Sample
ae12bb54af31227017feffd9598a6f5e.dll
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
ae12bb54af31227017feffd9598a6f5e.dll
Resource
win10v2004-20240704-en
General
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Target
ae12bb54af31227017feffd9598a6f5e.dll
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Size
5.0MB
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MD5
ae12bb54af31227017feffd9598a6f5e
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SHA1
f597a1cc16d42b7f02e077696e067cd3030a06d9
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SHA256
c05e2dab77349cd639aa837e7e121710b8a0718d8fc93fb4cc6458ae90e5c597
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SHA512
a80b1cc70cafff3b8edb2e732fa2360436cc7556ba91977ab1fa505ad7c6e184c465839d1584f827be17ccb751240432348debe69eed4e006321d9af4334621b
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SSDEEP
98304:+DqPoBhz1aRxcSUDk36SAEdhvxWa9P593R8yAVp2H:+DqPe1Cxcxk3ZAEUadzR8yc4H
Malware Config
Signatures
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Wannacry
WannaCry is a ransomware cryptoworm.
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Contacts a large (3186) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
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Executes dropped EXE 3 IoCs
Processes:
mssecsvc.exemssecsvc.exetasksche.exepid process 2020 mssecsvc.exe 3480 mssecsvc.exe 1624 tasksche.exe -
Creates a large amount of network flows 1 TTPs
This may indicate a network scan to discover remotely running services.
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Drops file in Windows directory 2 IoCs
Processes:
mssecsvc.exerundll32.exedescription ioc process File created C:\WINDOWS\tasksche.exe mssecsvc.exe File created C:\WINDOWS\mssecsvc.exe rundll32.exe -
Modifies data under HKEY_USERS 5 IoCs
Processes:
mssecsvc.exedescription ioc process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" mssecsvc.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" mssecsvc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ mssecsvc.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" mssecsvc.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" mssecsvc.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
rundll32.exerundll32.exedescription pid process target process PID 1664 wrote to memory of 1820 1664 rundll32.exe rundll32.exe PID 1664 wrote to memory of 1820 1664 rundll32.exe rundll32.exe PID 1664 wrote to memory of 1820 1664 rundll32.exe rundll32.exe PID 1820 wrote to memory of 2020 1820 rundll32.exe mssecsvc.exe PID 1820 wrote to memory of 2020 1820 rundll32.exe mssecsvc.exe PID 1820 wrote to memory of 2020 1820 rundll32.exe mssecsvc.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\ae12bb54af31227017feffd9598a6f5e.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1664 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\ae12bb54af31227017feffd9598a6f5e.dll,#12⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1820 -
C:\WINDOWS\mssecsvc.exeC:\WINDOWS\mssecsvc.exe3⤵
- Executes dropped EXE
- Drops file in Windows directory
PID:2020 -
C:\WINDOWS\tasksche.exeC:\WINDOWS\tasksche.exe /i4⤵
- Executes dropped EXE
PID:1624
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C:\WINDOWS\mssecsvc.exeC:\WINDOWS\mssecsvc.exe -m security1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3480
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
3.6MB
MD50c694193ceac8bfb016491ffb534eb7c
SHA13afa73283d1e17de1bde6cc14e19417e70fc9554
SHA256dbf3890b782ac04136c3336814eef97e3c0f4133f9592e882c131c179161b27b
SHA512bfa729e9449c0a438cfb51fc9f4314022b2f18092938fd42702a06246edc865db77327399a8d21cc1fa208a99e3436e4a460cb010e428caddc638c3fa6547afb
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Filesize
3.4MB
MD57f7ccaa16fb15eb1c7399d422f8363e8
SHA1bd44d0ab543bf814d93b719c24e90d8dd7111234
SHA2562584e1521065e45ec3c17767c065429038fc6291c091097ea8b22c8a502c41dd
SHA51283e334b80de08903cfa9891a3fa349c1ece7e19f8e62b74a017512fa9a7989a0fd31929bf1fc13847bee04f2da3dacf6bc3f5ee58f0e4b9d495f4b9af12ed2b7