Analysis
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max time kernel
127s -
max time network
131s -
platform
windows7_x64 -
resource
win7v20210408 -
submitted
29-09-2021 07:19
Static task
static1
Behavioral task
behavioral1
Sample
932249c923c8f7977c12785238e68d4b2030471fc9edbda0ec326ced3bab755f.exe
Resource
win7v20210408
Behavioral task
behavioral2
Sample
932249c923c8f7977c12785238e68d4b2030471fc9edbda0ec326ced3bab755f.exe
Resource
win10-en-20210920
General
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Target
932249c923c8f7977c12785238e68d4b2030471fc9edbda0ec326ced3bab755f.exe
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Size
3.6MB
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MD5
4e7155bd7afbb888e41128b78413855b
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SHA1
8387ad1ee24852185eb9dd265987ae39fa0254d0
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SHA256
932249c923c8f7977c12785238e68d4b2030471fc9edbda0ec326ced3bab755f
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SHA512
5ea1e3074525018d672ef91a39cdcf949c5a54dd1957a7aca0a7f547418640e93cb4628345fd4cbc373943fc3c708d91c8943f3c505271059c69de80fe6a6a8c
Malware Config
Signatures
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suricata: ET MALWARE SUSPICIOUS UA (iexplore)
suricata: ET MALWARE SUSPICIOUS UA (iexplore)
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suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1
suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1
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Executes dropped EXE 1 IoCs
pid Process 1820 MediaCenter.exe -
Deletes itself 1 IoCs
pid Process 1976 cmd.exe -
Loads dropped DLL 1 IoCs
pid Process 1304 932249c923c8f7977c12785238e68d4b2030471fc9edbda0ec326ced3bab755f.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 932249c923c8f7977c12785238e68d4b2030471fc9edbda0ec326ced3bab755f.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Runs ping.exe 1 TTPs 1 IoCs
pid Process 1788 PING.EXE -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 1304 932249c923c8f7977c12785238e68d4b2030471fc9edbda0ec326ced3bab755f.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 1304 wrote to memory of 1820 1304 932249c923c8f7977c12785238e68d4b2030471fc9edbda0ec326ced3bab755f.exe 25 PID 1304 wrote to memory of 1820 1304 932249c923c8f7977c12785238e68d4b2030471fc9edbda0ec326ced3bab755f.exe 25 PID 1304 wrote to memory of 1820 1304 932249c923c8f7977c12785238e68d4b2030471fc9edbda0ec326ced3bab755f.exe 25 PID 1304 wrote to memory of 1820 1304 932249c923c8f7977c12785238e68d4b2030471fc9edbda0ec326ced3bab755f.exe 25 PID 1304 wrote to memory of 1976 1304 932249c923c8f7977c12785238e68d4b2030471fc9edbda0ec326ced3bab755f.exe 28 PID 1304 wrote to memory of 1976 1304 932249c923c8f7977c12785238e68d4b2030471fc9edbda0ec326ced3bab755f.exe 28 PID 1304 wrote to memory of 1976 1304 932249c923c8f7977c12785238e68d4b2030471fc9edbda0ec326ced3bab755f.exe 28 PID 1304 wrote to memory of 1976 1304 932249c923c8f7977c12785238e68d4b2030471fc9edbda0ec326ced3bab755f.exe 28 PID 1976 wrote to memory of 1788 1976 cmd.exe 30 PID 1976 wrote to memory of 1788 1976 cmd.exe 30 PID 1976 wrote to memory of 1788 1976 cmd.exe 30 PID 1976 wrote to memory of 1788 1976 cmd.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\932249c923c8f7977c12785238e68d4b2030471fc9edbda0ec326ced3bab755f.exe"C:\Users\Admin\AppData\Local\Temp\932249c923c8f7977c12785238e68d4b2030471fc9edbda0ec326ced3bab755f.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1304 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:1820
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\932249c923c8f7977c12785238e68d4b2030471fc9edbda0ec326ced3bab755f.exe"2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:1976 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:1788
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