Analysis
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max time kernel
149s -
max time network
149s -
platform
windows10_x64 -
resource
win10-en-20210920 -
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 2548 MediaCenter.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 2628 PING.EXE -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 2392 a834a21c79f7a4ce5bf5c72ffb03fe6a643181ddf3c014b9acfc07ce7c19ce06.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 2392 wrote to memory of 2548 2392 a834a21c79f7a4ce5bf5c72ffb03fe6a643181ddf3c014b9acfc07ce7c19ce06.exe 70 PID 2392 wrote to memory of 2548 2392 a834a21c79f7a4ce5bf5c72ffb03fe6a643181ddf3c014b9acfc07ce7c19ce06.exe 70 PID 2392 wrote to memory of 2548 2392 a834a21c79f7a4ce5bf5c72ffb03fe6a643181ddf3c014b9acfc07ce7c19ce06.exe 70 PID 2392 wrote to memory of 3492 2392 a834a21c79f7a4ce5bf5c72ffb03fe6a643181ddf3c014b9acfc07ce7c19ce06.exe 71 PID 2392 wrote to memory of 3492 2392 a834a21c79f7a4ce5bf5c72ffb03fe6a643181ddf3c014b9acfc07ce7c19ce06.exe 71 PID 2392 wrote to memory of 3492 2392 a834a21c79f7a4ce5bf5c72ffb03fe6a643181ddf3c014b9acfc07ce7c19ce06.exe 71 PID 3492 wrote to memory of 2628 3492 cmd.exe 73 PID 3492 wrote to memory of 2628 3492 cmd.exe 73 PID 3492 wrote to memory of 2628 3492 cmd.exe 73
Processes
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C:\Users\Admin\AppData\Local\Temp\a834a21c79f7a4ce5bf5c72ffb03fe6a643181ddf3c014b9acfc07ce7c19ce06.exe"C:\Users\Admin\AppData\Local\Temp\a834a21c79f7a4ce5bf5c72ffb03fe6a643181ddf3c014b9acfc07ce7c19ce06.exe"1⤵
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2392 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:2548
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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⤵
- Suspicious use of WriteProcessMemory
PID:3492 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:2628
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