Analysis
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max time kernel
130s -
max time network
152s -
platform
windows7_x64 -
resource
win7-en-20211208 -
submitted
12-02-2022 11:18
Static task
static1
Behavioral task
behavioral1
Sample
04b99c150564b069117605c8165d5b691e09f68a4fdedcaed36be845309897d3.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
04b99c150564b069117605c8165d5b691e09f68a4fdedcaed36be845309897d3.exe
Resource
win10v2004-en-20220113
General
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Target
04b99c150564b069117605c8165d5b691e09f68a4fdedcaed36be845309897d3.exe
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Size
36KB
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MD5
b8c16a23e46f1fc1cb89805306d56593
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SHA1
721dafaffec182630b6eef12aaf3b61179b6efb7
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SHA256
04b99c150564b069117605c8165d5b691e09f68a4fdedcaed36be845309897d3
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SHA512
efa492c0c0b7f312c3c88d169aab4850cbf06a6bb93fa90bc44f18a56863fc840f83f128321e832bfe85bdc6005e7f06fecd3e92e8d369629ceb11cb86472dfb
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 780 MediaCenter.exe -
Deletes itself 1 IoCs
Processes:
cmd.exepid process 968 cmd.exe -
Loads dropped DLL 2 IoCs
Processes:
04b99c150564b069117605c8165d5b691e09f68a4fdedcaed36be845309897d3.exepid process 1632 04b99c150564b069117605c8165d5b691e09f68a4fdedcaed36be845309897d3.exe 1632 04b99c150564b069117605c8165d5b691e09f68a4fdedcaed36be845309897d3.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
04b99c150564b069117605c8165d5b691e09f68a4fdedcaed36be845309897d3.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 04b99c150564b069117605c8165d5b691e09f68a4fdedcaed36be845309897d3.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:
04b99c150564b069117605c8165d5b691e09f68a4fdedcaed36be845309897d3.exedescription pid process Token: SeIncBasePriorityPrivilege 1632 04b99c150564b069117605c8165d5b691e09f68a4fdedcaed36be845309897d3.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
04b99c150564b069117605c8165d5b691e09f68a4fdedcaed36be845309897d3.execmd.exedescription pid process target process PID 1632 wrote to memory of 780 1632 04b99c150564b069117605c8165d5b691e09f68a4fdedcaed36be845309897d3.exe MediaCenter.exe PID 1632 wrote to memory of 780 1632 04b99c150564b069117605c8165d5b691e09f68a4fdedcaed36be845309897d3.exe MediaCenter.exe PID 1632 wrote to memory of 780 1632 04b99c150564b069117605c8165d5b691e09f68a4fdedcaed36be845309897d3.exe MediaCenter.exe PID 1632 wrote to memory of 780 1632 04b99c150564b069117605c8165d5b691e09f68a4fdedcaed36be845309897d3.exe MediaCenter.exe PID 1632 wrote to memory of 968 1632 04b99c150564b069117605c8165d5b691e09f68a4fdedcaed36be845309897d3.exe cmd.exe PID 1632 wrote to memory of 968 1632 04b99c150564b069117605c8165d5b691e09f68a4fdedcaed36be845309897d3.exe cmd.exe PID 1632 wrote to memory of 968 1632 04b99c150564b069117605c8165d5b691e09f68a4fdedcaed36be845309897d3.exe cmd.exe PID 1632 wrote to memory of 968 1632 04b99c150564b069117605c8165d5b691e09f68a4fdedcaed36be845309897d3.exe cmd.exe PID 968 wrote to memory of 1664 968 cmd.exe PING.EXE PID 968 wrote to memory of 1664 968 cmd.exe PING.EXE PID 968 wrote to memory of 1664 968 cmd.exe PING.EXE PID 968 wrote to memory of 1664 968 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\04b99c150564b069117605c8165d5b691e09f68a4fdedcaed36be845309897d3.exe"C:\Users\Admin\AppData\Local\Temp\04b99c150564b069117605c8165d5b691e09f68a4fdedcaed36be845309897d3.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1632 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:780 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\04b99c150564b069117605c8165d5b691e09f68a4fdedcaed36be845309897d3.exe"2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:968 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:1664
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
9c792f3a14fd22ebaf0da4d48308c341
SHA10e2fdf7a337dca1274ed24004127cb56b77218e6
SHA256e56d958b2973c8e7e11241652c824040c11118bbf524f63c5c7c24f9c433bd25
SHA5125f02eac1877091a8e9f5e6c7a12c7c9bf85488c7f7e2453bc9f20a6a102392ed7224a283a8006249eddd30aa86a7200aa51ff6452a1ef0f5a8c637190d7ddb13
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\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
9c792f3a14fd22ebaf0da4d48308c341
SHA10e2fdf7a337dca1274ed24004127cb56b77218e6
SHA256e56d958b2973c8e7e11241652c824040c11118bbf524f63c5c7c24f9c433bd25
SHA5125f02eac1877091a8e9f5e6c7a12c7c9bf85488c7f7e2453bc9f20a6a102392ed7224a283a8006249eddd30aa86a7200aa51ff6452a1ef0f5a8c637190d7ddb13
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\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
9c792f3a14fd22ebaf0da4d48308c341
SHA10e2fdf7a337dca1274ed24004127cb56b77218e6
SHA256e56d958b2973c8e7e11241652c824040c11118bbf524f63c5c7c24f9c433bd25
SHA5125f02eac1877091a8e9f5e6c7a12c7c9bf85488c7f7e2453bc9f20a6a102392ed7224a283a8006249eddd30aa86a7200aa51ff6452a1ef0f5a8c637190d7ddb13
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memory/1632-55-0x0000000076B81000-0x0000000076B83000-memory.dmpFilesize
8KB