Analysis
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max time kernel
146s -
max time network
188s -
platform
windows7_x64 -
resource
win7v20210408 -
submitted
30-09-2021 07:38
Static task
static1
Behavioral task
behavioral1
Sample
efb2aac42ae3c336beae35ea0063d1cec78261857a246693fd9d91a233b43636.exe
Resource
win7v20210408
Behavioral task
behavioral2
Sample
efb2aac42ae3c336beae35ea0063d1cec78261857a246693fd9d91a233b43636.exe
Resource
win10-en-20210920
General
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Target
efb2aac42ae3c336beae35ea0063d1cec78261857a246693fd9d91a233b43636.exe
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Size
3.9MB
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MD5
0c91f541c351849c1b48be81b7e4f197
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SHA1
bda480d45467f44a36c6ac046a08b0b3b2e6bf83
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SHA256
efb2aac42ae3c336beae35ea0063d1cec78261857a246693fd9d91a233b43636
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SHA512
940176cdb87ada4590adb2ffa6fdb5694b950f7dc5f5a2b7f3d44b619de577efc46681e0b0e707137996b7aceec01e722804f2b2a046db3b7f45e7dda46e9b1c
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 1524 MediaCenter.exe -
Deletes itself 1 IoCs
pid Process 604 cmd.exe -
Loads dropped DLL 2 IoCs
pid Process 1956 efb2aac42ae3c336beae35ea0063d1cec78261857a246693fd9d91a233b43636.exe 1956 efb2aac42ae3c336beae35ea0063d1cec78261857a246693fd9d91a233b43636.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" efb2aac42ae3c336beae35ea0063d1cec78261857a246693fd9d91a233b43636.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 1472 PING.EXE -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 1956 efb2aac42ae3c336beae35ea0063d1cec78261857a246693fd9d91a233b43636.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 1956 wrote to memory of 1524 1956 efb2aac42ae3c336beae35ea0063d1cec78261857a246693fd9d91a233b43636.exe 25 PID 1956 wrote to memory of 1524 1956 efb2aac42ae3c336beae35ea0063d1cec78261857a246693fd9d91a233b43636.exe 25 PID 1956 wrote to memory of 1524 1956 efb2aac42ae3c336beae35ea0063d1cec78261857a246693fd9d91a233b43636.exe 25 PID 1956 wrote to memory of 1524 1956 efb2aac42ae3c336beae35ea0063d1cec78261857a246693fd9d91a233b43636.exe 25 PID 1956 wrote to memory of 604 1956 efb2aac42ae3c336beae35ea0063d1cec78261857a246693fd9d91a233b43636.exe 30 PID 1956 wrote to memory of 604 1956 efb2aac42ae3c336beae35ea0063d1cec78261857a246693fd9d91a233b43636.exe 30 PID 1956 wrote to memory of 604 1956 efb2aac42ae3c336beae35ea0063d1cec78261857a246693fd9d91a233b43636.exe 30 PID 1956 wrote to memory of 604 1956 efb2aac42ae3c336beae35ea0063d1cec78261857a246693fd9d91a233b43636.exe 30 PID 604 wrote to memory of 1472 604 cmd.exe 32 PID 604 wrote to memory of 1472 604 cmd.exe 32 PID 604 wrote to memory of 1472 604 cmd.exe 32 PID 604 wrote to memory of 1472 604 cmd.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\efb2aac42ae3c336beae35ea0063d1cec78261857a246693fd9d91a233b43636.exe"C:\Users\Admin\AppData\Local\Temp\efb2aac42ae3c336beae35ea0063d1cec78261857a246693fd9d91a233b43636.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1956 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:1524
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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\efb2aac42ae3c336beae35ea0063d1cec78261857a246693fd9d91a233b43636.exe"2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:604 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:1472
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