Analysis
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max time kernel
117s -
max time network
126s -
platform
windows7_x64 -
resource
win7-en-20211208 -
submitted
12-02-2022 04:56
Static task
static1
Behavioral task
behavioral1
Sample
13fcab71b74a3e9c95af1f2954419c6bf5f13e50e1644dd30f7ceeee2b48d9a4.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
13fcab71b74a3e9c95af1f2954419c6bf5f13e50e1644dd30f7ceeee2b48d9a4.exe
Resource
win10v2004-en-20220113
General
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Target
13fcab71b74a3e9c95af1f2954419c6bf5f13e50e1644dd30f7ceeee2b48d9a4.exe
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Size
58KB
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MD5
aed18bbe96123954a09c8eaf8780a369
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SHA1
b5ff3c9689d1f2c01bfe798e95ecc1fb819c05e1
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SHA256
13fcab71b74a3e9c95af1f2954419c6bf5f13e50e1644dd30f7ceeee2b48d9a4
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SHA512
d78870a1d2a6b17f3c804805c331932d315c22d373bb0dcb8181ec42042ba53a9998729b76b3dcf7117897b5865602004723526eaff9eaad90732b155d0f6a33
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 1584 MediaCenter.exe -
Deletes itself 1 IoCs
Processes:
cmd.exepid process 392 cmd.exe -
Loads dropped DLL 2 IoCs
Processes:
13fcab71b74a3e9c95af1f2954419c6bf5f13e50e1644dd30f7ceeee2b48d9a4.exepid process 1620 13fcab71b74a3e9c95af1f2954419c6bf5f13e50e1644dd30f7ceeee2b48d9a4.exe 1620 13fcab71b74a3e9c95af1f2954419c6bf5f13e50e1644dd30f7ceeee2b48d9a4.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
13fcab71b74a3e9c95af1f2954419c6bf5f13e50e1644dd30f7ceeee2b48d9a4.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 13fcab71b74a3e9c95af1f2954419c6bf5f13e50e1644dd30f7ceeee2b48d9a4.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:
13fcab71b74a3e9c95af1f2954419c6bf5f13e50e1644dd30f7ceeee2b48d9a4.exedescription pid process Token: SeIncBasePriorityPrivilege 1620 13fcab71b74a3e9c95af1f2954419c6bf5f13e50e1644dd30f7ceeee2b48d9a4.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
13fcab71b74a3e9c95af1f2954419c6bf5f13e50e1644dd30f7ceeee2b48d9a4.execmd.exedescription pid process target process PID 1620 wrote to memory of 1584 1620 13fcab71b74a3e9c95af1f2954419c6bf5f13e50e1644dd30f7ceeee2b48d9a4.exe MediaCenter.exe PID 1620 wrote to memory of 1584 1620 13fcab71b74a3e9c95af1f2954419c6bf5f13e50e1644dd30f7ceeee2b48d9a4.exe MediaCenter.exe PID 1620 wrote to memory of 1584 1620 13fcab71b74a3e9c95af1f2954419c6bf5f13e50e1644dd30f7ceeee2b48d9a4.exe MediaCenter.exe PID 1620 wrote to memory of 1584 1620 13fcab71b74a3e9c95af1f2954419c6bf5f13e50e1644dd30f7ceeee2b48d9a4.exe MediaCenter.exe PID 1620 wrote to memory of 392 1620 13fcab71b74a3e9c95af1f2954419c6bf5f13e50e1644dd30f7ceeee2b48d9a4.exe cmd.exe PID 1620 wrote to memory of 392 1620 13fcab71b74a3e9c95af1f2954419c6bf5f13e50e1644dd30f7ceeee2b48d9a4.exe cmd.exe PID 1620 wrote to memory of 392 1620 13fcab71b74a3e9c95af1f2954419c6bf5f13e50e1644dd30f7ceeee2b48d9a4.exe cmd.exe PID 1620 wrote to memory of 392 1620 13fcab71b74a3e9c95af1f2954419c6bf5f13e50e1644dd30f7ceeee2b48d9a4.exe cmd.exe PID 392 wrote to memory of 1164 392 cmd.exe PING.EXE PID 392 wrote to memory of 1164 392 cmd.exe PING.EXE PID 392 wrote to memory of 1164 392 cmd.exe PING.EXE PID 392 wrote to memory of 1164 392 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\13fcab71b74a3e9c95af1f2954419c6bf5f13e50e1644dd30f7ceeee2b48d9a4.exe"C:\Users\Admin\AppData\Local\Temp\13fcab71b74a3e9c95af1f2954419c6bf5f13e50e1644dd30f7ceeee2b48d9a4.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1620 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:1584 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\13fcab71b74a3e9c95af1f2954419c6bf5f13e50e1644dd30f7ceeee2b48d9a4.exe"2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:392 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:1164
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
5273704e47a3d00f299f1bfcc794c464
SHA141c1aca212377bdfda88b6532d9842415270d0f0
SHA256a9586a8f03f881c4ab097d89010d281c26c5a56e5b262a6a86c2c938c545583e
SHA5128e2786626ae275ccf805eedf5f968ad0a61caa205b3f074809ebf8e408c4546e662028ffad82c3f9fd3e558be026d168bb046351463362b48f75b74bd3fb5629
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MD5
5273704e47a3d00f299f1bfcc794c464
SHA141c1aca212377bdfda88b6532d9842415270d0f0
SHA256a9586a8f03f881c4ab097d89010d281c26c5a56e5b262a6a86c2c938c545583e
SHA5128e2786626ae275ccf805eedf5f968ad0a61caa205b3f074809ebf8e408c4546e662028ffad82c3f9fd3e558be026d168bb046351463362b48f75b74bd3fb5629
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MD5
5273704e47a3d00f299f1bfcc794c464
SHA141c1aca212377bdfda88b6532d9842415270d0f0
SHA256a9586a8f03f881c4ab097d89010d281c26c5a56e5b262a6a86c2c938c545583e
SHA5128e2786626ae275ccf805eedf5f968ad0a61caa205b3f074809ebf8e408c4546e662028ffad82c3f9fd3e558be026d168bb046351463362b48f75b74bd3fb5629