Analysis
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max time kernel
145s -
max time network
157s -
platform
windows7_x64 -
resource
win7-en-20211208 -
submitted
12-02-2022 03:59
Static task
static1
Behavioral task
behavioral1
Sample
165a5a61d5354a19c6fc5f209f74bc3d3f6ff4ec44d407d881be494b97c3a6f1.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
165a5a61d5354a19c6fc5f209f74bc3d3f6ff4ec44d407d881be494b97c3a6f1.exe
Resource
win10v2004-en-20220113
General
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Target
165a5a61d5354a19c6fc5f209f74bc3d3f6ff4ec44d407d881be494b97c3a6f1.exe
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Size
176KB
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MD5
97aca3a349cb5ea5d7f2c55789311f1f
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SHA1
1bf3a1b7c36fc619a07e3a5acbba3e70ad1403fa
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SHA256
165a5a61d5354a19c6fc5f209f74bc3d3f6ff4ec44d407d881be494b97c3a6f1
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SHA512
9982f9edddc5d3133895da6498b316233d31518a4e170c0149e9d33efca1519145f6800be3483991603e0fc67c0091bbbacc91003a331b38a37f3a27a94d9144
Malware Config
Signatures
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Sakula Payload 4 IoCs
Processes:
resource yara_rule \Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe family_sakula C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe family_sakula behavioral1/memory/1600-58-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula behavioral1/memory/1288-59-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula -
suricata: ET MALWARE SUSPICIOUS UA (iexplore)
suricata: ET MALWARE SUSPICIOUS UA (iexplore)
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suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1
suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1
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Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 1288 MediaCenter.exe -
Deletes itself 1 IoCs
Processes:
cmd.exepid process 1144 cmd.exe -
Loads dropped DLL 1 IoCs
Processes:
165a5a61d5354a19c6fc5f209f74bc3d3f6ff4ec44d407d881be494b97c3a6f1.exepid process 1600 165a5a61d5354a19c6fc5f209f74bc3d3f6ff4ec44d407d881be494b97c3a6f1.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
165a5a61d5354a19c6fc5f209f74bc3d3f6ff4ec44d407d881be494b97c3a6f1.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 165a5a61d5354a19c6fc5f209f74bc3d3f6ff4ec44d407d881be494b97c3a6f1.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:
165a5a61d5354a19c6fc5f209f74bc3d3f6ff4ec44d407d881be494b97c3a6f1.exedescription pid process Token: SeIncBasePriorityPrivilege 1600 165a5a61d5354a19c6fc5f209f74bc3d3f6ff4ec44d407d881be494b97c3a6f1.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
165a5a61d5354a19c6fc5f209f74bc3d3f6ff4ec44d407d881be494b97c3a6f1.execmd.exedescription pid process target process PID 1600 wrote to memory of 1288 1600 165a5a61d5354a19c6fc5f209f74bc3d3f6ff4ec44d407d881be494b97c3a6f1.exe MediaCenter.exe PID 1600 wrote to memory of 1288 1600 165a5a61d5354a19c6fc5f209f74bc3d3f6ff4ec44d407d881be494b97c3a6f1.exe MediaCenter.exe PID 1600 wrote to memory of 1288 1600 165a5a61d5354a19c6fc5f209f74bc3d3f6ff4ec44d407d881be494b97c3a6f1.exe MediaCenter.exe PID 1600 wrote to memory of 1288 1600 165a5a61d5354a19c6fc5f209f74bc3d3f6ff4ec44d407d881be494b97c3a6f1.exe MediaCenter.exe PID 1600 wrote to memory of 1144 1600 165a5a61d5354a19c6fc5f209f74bc3d3f6ff4ec44d407d881be494b97c3a6f1.exe cmd.exe PID 1600 wrote to memory of 1144 1600 165a5a61d5354a19c6fc5f209f74bc3d3f6ff4ec44d407d881be494b97c3a6f1.exe cmd.exe PID 1600 wrote to memory of 1144 1600 165a5a61d5354a19c6fc5f209f74bc3d3f6ff4ec44d407d881be494b97c3a6f1.exe cmd.exe PID 1600 wrote to memory of 1144 1600 165a5a61d5354a19c6fc5f209f74bc3d3f6ff4ec44d407d881be494b97c3a6f1.exe cmd.exe PID 1144 wrote to memory of 836 1144 cmd.exe PING.EXE PID 1144 wrote to memory of 836 1144 cmd.exe PING.EXE PID 1144 wrote to memory of 836 1144 cmd.exe PING.EXE PID 1144 wrote to memory of 836 1144 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\165a5a61d5354a19c6fc5f209f74bc3d3f6ff4ec44d407d881be494b97c3a6f1.exe"C:\Users\Admin\AppData\Local\Temp\165a5a61d5354a19c6fc5f209f74bc3d3f6ff4ec44d407d881be494b97c3a6f1.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1600 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:1288 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\165a5a61d5354a19c6fc5f209f74bc3d3f6ff4ec44d407d881be494b97c3a6f1.exe"2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:1144 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:836
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
91aecad880c4e80f360fa158c73a7a0d
SHA10675d6888088709ebd9de389547d1ec81b332b41
SHA25689e99940ec0d79c49b224ebfb9813cd1ffc544ab4896356342c42256d6b18428
SHA5122d490030b735ec66d13dd4cb18f79b3aee4ff9401879f737124e13701028f2dbeebe8046d5cec418b922e05675819252f8a5aacaaf04c670dfa25ba33d7e944b
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MD5
91aecad880c4e80f360fa158c73a7a0d
SHA10675d6888088709ebd9de389547d1ec81b332b41
SHA25689e99940ec0d79c49b224ebfb9813cd1ffc544ab4896356342c42256d6b18428
SHA5122d490030b735ec66d13dd4cb18f79b3aee4ff9401879f737124e13701028f2dbeebe8046d5cec418b922e05675819252f8a5aacaaf04c670dfa25ba33d7e944b