Analysis
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max time kernel
118s -
max time network
122s -
platform
windows7_x64 -
resource
win7-en-20211208 -
submitted
12-02-2022 04:24
Static task
static1
Behavioral task
behavioral1
Sample
155b8f2e93ab15c2732e8a89b53fc055e9915f0605c9d0dc49110d4d12c878b3.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
155b8f2e93ab15c2732e8a89b53fc055e9915f0605c9d0dc49110d4d12c878b3.exe
Resource
win10v2004-en-20220113
General
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Target
155b8f2e93ab15c2732e8a89b53fc055e9915f0605c9d0dc49110d4d12c878b3.exe
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Size
35KB
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MD5
a54468dc5f6370f3ffcef33b25819733
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SHA1
47f5aa6d4f62ecd3e1cd21b90afc857305af02f0
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SHA256
155b8f2e93ab15c2732e8a89b53fc055e9915f0605c9d0dc49110d4d12c878b3
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SHA512
78b3c1cffb49f976a3e69293064db14952b47cd5a9f92a56b3dca20d4c73fe235ec97aa33e2d8e3bf8d822faef7a673cfb309accb37ebb96033d824bceea918f
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 876 MediaCenter.exe -
Deletes itself 1 IoCs
Processes:
cmd.exepid process 1000 cmd.exe -
Loads dropped DLL 2 IoCs
Processes:
155b8f2e93ab15c2732e8a89b53fc055e9915f0605c9d0dc49110d4d12c878b3.exepid process 1516 155b8f2e93ab15c2732e8a89b53fc055e9915f0605c9d0dc49110d4d12c878b3.exe 1516 155b8f2e93ab15c2732e8a89b53fc055e9915f0605c9d0dc49110d4d12c878b3.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
155b8f2e93ab15c2732e8a89b53fc055e9915f0605c9d0dc49110d4d12c878b3.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 155b8f2e93ab15c2732e8a89b53fc055e9915f0605c9d0dc49110d4d12c878b3.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
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Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
155b8f2e93ab15c2732e8a89b53fc055e9915f0605c9d0dc49110d4d12c878b3.exedescription pid process Token: SeIncBasePriorityPrivilege 1516 155b8f2e93ab15c2732e8a89b53fc055e9915f0605c9d0dc49110d4d12c878b3.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
155b8f2e93ab15c2732e8a89b53fc055e9915f0605c9d0dc49110d4d12c878b3.execmd.exedescription pid process target process PID 1516 wrote to memory of 876 1516 155b8f2e93ab15c2732e8a89b53fc055e9915f0605c9d0dc49110d4d12c878b3.exe MediaCenter.exe PID 1516 wrote to memory of 876 1516 155b8f2e93ab15c2732e8a89b53fc055e9915f0605c9d0dc49110d4d12c878b3.exe MediaCenter.exe PID 1516 wrote to memory of 876 1516 155b8f2e93ab15c2732e8a89b53fc055e9915f0605c9d0dc49110d4d12c878b3.exe MediaCenter.exe PID 1516 wrote to memory of 876 1516 155b8f2e93ab15c2732e8a89b53fc055e9915f0605c9d0dc49110d4d12c878b3.exe MediaCenter.exe PID 1516 wrote to memory of 1000 1516 155b8f2e93ab15c2732e8a89b53fc055e9915f0605c9d0dc49110d4d12c878b3.exe cmd.exe PID 1516 wrote to memory of 1000 1516 155b8f2e93ab15c2732e8a89b53fc055e9915f0605c9d0dc49110d4d12c878b3.exe cmd.exe PID 1516 wrote to memory of 1000 1516 155b8f2e93ab15c2732e8a89b53fc055e9915f0605c9d0dc49110d4d12c878b3.exe cmd.exe PID 1516 wrote to memory of 1000 1516 155b8f2e93ab15c2732e8a89b53fc055e9915f0605c9d0dc49110d4d12c878b3.exe cmd.exe PID 1000 wrote to memory of 1876 1000 cmd.exe PING.EXE PID 1000 wrote to memory of 1876 1000 cmd.exe PING.EXE PID 1000 wrote to memory of 1876 1000 cmd.exe PING.EXE PID 1000 wrote to memory of 1876 1000 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\155b8f2e93ab15c2732e8a89b53fc055e9915f0605c9d0dc49110d4d12c878b3.exe"C:\Users\Admin\AppData\Local\Temp\155b8f2e93ab15c2732e8a89b53fc055e9915f0605c9d0dc49110d4d12c878b3.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1516 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:876 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\155b8f2e93ab15c2732e8a89b53fc055e9915f0605c9d0dc49110d4d12c878b3.exe"2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:1000 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:1876
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
c8bbf1887d61631a3bb756bd46229b99
SHA132f9c62a4b6142a1e1eb3df0e03a83f2c8dce9a8
SHA256d9f5984105b76b98b428d2fe22baaa7a4885db0a716119f5ac206952ec973431
SHA5127eee8d46c97547f20bd183547cf5edc7c98c839ca162d76561655da6766682d2a1a744ee72a081c81573481f1e76f7fb5662a595d3cb08e30d749d3ee8c17dac
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MD5
c8bbf1887d61631a3bb756bd46229b99
SHA132f9c62a4b6142a1e1eb3df0e03a83f2c8dce9a8
SHA256d9f5984105b76b98b428d2fe22baaa7a4885db0a716119f5ac206952ec973431
SHA5127eee8d46c97547f20bd183547cf5edc7c98c839ca162d76561655da6766682d2a1a744ee72a081c81573481f1e76f7fb5662a595d3cb08e30d749d3ee8c17dac
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MD5
c8bbf1887d61631a3bb756bd46229b99
SHA132f9c62a4b6142a1e1eb3df0e03a83f2c8dce9a8
SHA256d9f5984105b76b98b428d2fe22baaa7a4885db0a716119f5ac206952ec973431
SHA5127eee8d46c97547f20bd183547cf5edc7c98c839ca162d76561655da6766682d2a1a744ee72a081c81573481f1e76f7fb5662a595d3cb08e30d749d3ee8c17dac