Analysis
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max time kernel
145s -
max time network
195s -
platform
windows7_x64 -
resource
win7v20210408 -
submitted
30-09-2021 12:28
Static task
static1
Behavioral task
behavioral1
Sample
a834a21c79f7a4ce5bf5c72ffb03fe6a643181ddf3c014b9acfc07ce7c19ce06.exe
Resource
win7v20210408
Behavioral task
behavioral2
Sample
a834a21c79f7a4ce5bf5c72ffb03fe6a643181ddf3c014b9acfc07ce7c19ce06.exe
Resource
win10-en-20210920
General
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Target
a834a21c79f7a4ce5bf5c72ffb03fe6a643181ddf3c014b9acfc07ce7c19ce06.exe
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Size
191KB
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MD5
9f9dc575235aa8fc839e0864624d41bc
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SHA1
c1a29e0fa8815af498214495ffa25e80a4bc0cdb
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SHA256
a834a21c79f7a4ce5bf5c72ffb03fe6a643181ddf3c014b9acfc07ce7c19ce06
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SHA512
7b0decabc89df93aad300e99ebbd7ac1c27e86a47fb68b261014c08182de0b9341261bd597cb646d21c8e25e71279444ceb89ed1d5c14359469905a96331c8ab
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 1968 MediaCenter.exe -
Deletes itself 1 IoCs
pid Process 1000 cmd.exe -
Loads dropped DLL 2 IoCs
pid Process 1980 a834a21c79f7a4ce5bf5c72ffb03fe6a643181ddf3c014b9acfc07ce7c19ce06.exe 1980 a834a21c79f7a4ce5bf5c72ffb03fe6a643181ddf3c014b9acfc07ce7c19ce06.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" a834a21c79f7a4ce5bf5c72ffb03fe6a643181ddf3c014b9acfc07ce7c19ce06.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 580 PING.EXE -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 1980 a834a21c79f7a4ce5bf5c72ffb03fe6a643181ddf3c014b9acfc07ce7c19ce06.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 1980 wrote to memory of 1968 1980 a834a21c79f7a4ce5bf5c72ffb03fe6a643181ddf3c014b9acfc07ce7c19ce06.exe 27 PID 1980 wrote to memory of 1968 1980 a834a21c79f7a4ce5bf5c72ffb03fe6a643181ddf3c014b9acfc07ce7c19ce06.exe 27 PID 1980 wrote to memory of 1968 1980 a834a21c79f7a4ce5bf5c72ffb03fe6a643181ddf3c014b9acfc07ce7c19ce06.exe 27 PID 1980 wrote to memory of 1968 1980 a834a21c79f7a4ce5bf5c72ffb03fe6a643181ddf3c014b9acfc07ce7c19ce06.exe 27 PID 1980 wrote to memory of 1000 1980 a834a21c79f7a4ce5bf5c72ffb03fe6a643181ddf3c014b9acfc07ce7c19ce06.exe 30 PID 1980 wrote to memory of 1000 1980 a834a21c79f7a4ce5bf5c72ffb03fe6a643181ddf3c014b9acfc07ce7c19ce06.exe 30 PID 1980 wrote to memory of 1000 1980 a834a21c79f7a4ce5bf5c72ffb03fe6a643181ddf3c014b9acfc07ce7c19ce06.exe 30 PID 1980 wrote to memory of 1000 1980 a834a21c79f7a4ce5bf5c72ffb03fe6a643181ddf3c014b9acfc07ce7c19ce06.exe 30 PID 1000 wrote to memory of 580 1000 cmd.exe 32 PID 1000 wrote to memory of 580 1000 cmd.exe 32 PID 1000 wrote to memory of 580 1000 cmd.exe 32 PID 1000 wrote to memory of 580 1000 cmd.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\a834a21c79f7a4ce5bf5c72ffb03fe6a643181ddf3c014b9acfc07ce7c19ce06.exe"C:\Users\Admin\AppData\Local\Temp\a834a21c79f7a4ce5bf5c72ffb03fe6a643181ddf3c014b9acfc07ce7c19ce06.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1980 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:1968
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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\a834a21c79f7a4ce5bf5c72ffb03fe6a643181ddf3c014b9acfc07ce7c19ce06.exe"2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:1000 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:580
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