Analysis
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max time kernel
164s -
max time network
173s -
platform
windows7_x64 -
resource
win7-en-20211208 -
submitted
12-02-2022 11:05
Static task
static1
Behavioral task
behavioral1
Sample
055c9a87250af9ebaa63c65fd03300d1a6ae2fc5637767ef7cbeb9391ee2d3cf.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
055c9a87250af9ebaa63c65fd03300d1a6ae2fc5637767ef7cbeb9391ee2d3cf.exe
Resource
win10v2004-en-20220112
General
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Target
055c9a87250af9ebaa63c65fd03300d1a6ae2fc5637767ef7cbeb9391ee2d3cf.exe
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Size
192KB
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MD5
b679a58f7b1d8ff8a33314fcf226b4eb
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SHA1
23604499cc666d3279b7a26c39ece82304158fef
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SHA256
055c9a87250af9ebaa63c65fd03300d1a6ae2fc5637767ef7cbeb9391ee2d3cf
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SHA512
9233ffa72f1917703fd6662ed94c659e296f132631442f8578afae30d0f3fa83c3c9b38d3d81700b1a9a6996abc8e9312ce432c5d990505a9892cd7843712ceb
Malware Config
Signatures
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Sakula Payload 3 IoCs
Processes:
resource yara_rule C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe family_sakula \Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe family_sakula \Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe family_sakula -
Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 1632 MediaCenter.exe -
Deletes itself 1 IoCs
Processes:
cmd.exepid process 396 cmd.exe -
Loads dropped DLL 2 IoCs
Processes:
055c9a87250af9ebaa63c65fd03300d1a6ae2fc5637767ef7cbeb9391ee2d3cf.exepid process 1272 055c9a87250af9ebaa63c65fd03300d1a6ae2fc5637767ef7cbeb9391ee2d3cf.exe 1272 055c9a87250af9ebaa63c65fd03300d1a6ae2fc5637767ef7cbeb9391ee2d3cf.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
055c9a87250af9ebaa63c65fd03300d1a6ae2fc5637767ef7cbeb9391ee2d3cf.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 055c9a87250af9ebaa63c65fd03300d1a6ae2fc5637767ef7cbeb9391ee2d3cf.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:
055c9a87250af9ebaa63c65fd03300d1a6ae2fc5637767ef7cbeb9391ee2d3cf.exedescription pid process Token: SeIncBasePriorityPrivilege 1272 055c9a87250af9ebaa63c65fd03300d1a6ae2fc5637767ef7cbeb9391ee2d3cf.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
055c9a87250af9ebaa63c65fd03300d1a6ae2fc5637767ef7cbeb9391ee2d3cf.execmd.exedescription pid process target process PID 1272 wrote to memory of 1632 1272 055c9a87250af9ebaa63c65fd03300d1a6ae2fc5637767ef7cbeb9391ee2d3cf.exe MediaCenter.exe PID 1272 wrote to memory of 1632 1272 055c9a87250af9ebaa63c65fd03300d1a6ae2fc5637767ef7cbeb9391ee2d3cf.exe MediaCenter.exe PID 1272 wrote to memory of 1632 1272 055c9a87250af9ebaa63c65fd03300d1a6ae2fc5637767ef7cbeb9391ee2d3cf.exe MediaCenter.exe PID 1272 wrote to memory of 1632 1272 055c9a87250af9ebaa63c65fd03300d1a6ae2fc5637767ef7cbeb9391ee2d3cf.exe MediaCenter.exe PID 1272 wrote to memory of 396 1272 055c9a87250af9ebaa63c65fd03300d1a6ae2fc5637767ef7cbeb9391ee2d3cf.exe cmd.exe PID 1272 wrote to memory of 396 1272 055c9a87250af9ebaa63c65fd03300d1a6ae2fc5637767ef7cbeb9391ee2d3cf.exe cmd.exe PID 1272 wrote to memory of 396 1272 055c9a87250af9ebaa63c65fd03300d1a6ae2fc5637767ef7cbeb9391ee2d3cf.exe cmd.exe PID 1272 wrote to memory of 396 1272 055c9a87250af9ebaa63c65fd03300d1a6ae2fc5637767ef7cbeb9391ee2d3cf.exe cmd.exe PID 396 wrote to memory of 1192 396 cmd.exe PING.EXE PID 396 wrote to memory of 1192 396 cmd.exe PING.EXE PID 396 wrote to memory of 1192 396 cmd.exe PING.EXE PID 396 wrote to memory of 1192 396 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\055c9a87250af9ebaa63c65fd03300d1a6ae2fc5637767ef7cbeb9391ee2d3cf.exe"C:\Users\Admin\AppData\Local\Temp\055c9a87250af9ebaa63c65fd03300d1a6ae2fc5637767ef7cbeb9391ee2d3cf.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1272 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:1632 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\055c9a87250af9ebaa63c65fd03300d1a6ae2fc5637767ef7cbeb9391ee2d3cf.exe"2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:396 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:1192
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
5cf1007b392acff45af4c45e6e991c80
SHA1672a7ca6f8673b229ff8ceed5485ab99f223d5c3
SHA256f50a5be7401780677d5ab403b0d88e87bca8205e8a777646d0326bc0aad952ff
SHA512521b32baf2b1ec39e3c5819b794e08ff5dd9452d25be1e6abb0b87c428a547afde1fd88e7c06352655ac34ec8de5779a3537bcea8da3a71063895ea04d47cfca
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\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
5cf1007b392acff45af4c45e6e991c80
SHA1672a7ca6f8673b229ff8ceed5485ab99f223d5c3
SHA256f50a5be7401780677d5ab403b0d88e87bca8205e8a777646d0326bc0aad952ff
SHA512521b32baf2b1ec39e3c5819b794e08ff5dd9452d25be1e6abb0b87c428a547afde1fd88e7c06352655ac34ec8de5779a3537bcea8da3a71063895ea04d47cfca
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\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
5cf1007b392acff45af4c45e6e991c80
SHA1672a7ca6f8673b229ff8ceed5485ab99f223d5c3
SHA256f50a5be7401780677d5ab403b0d88e87bca8205e8a777646d0326bc0aad952ff
SHA512521b32baf2b1ec39e3c5819b794e08ff5dd9452d25be1e6abb0b87c428a547afde1fd88e7c06352655ac34ec8de5779a3537bcea8da3a71063895ea04d47cfca
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memory/1272-54-0x0000000076421000-0x0000000076423000-memory.dmpFilesize
8KB