Analysis
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max time kernel
124s -
max time network
133s -
platform
windows7_x64 -
resource
win7-en-20211208 -
submitted
30-01-2022 22:48
Static task
static1
Behavioral task
behavioral1
Sample
391c407f5d091ee3e521ecfe9abfdc0771d01dc086090b99e9b0d2fc19f04ee1.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
391c407f5d091ee3e521ecfe9abfdc0771d01dc086090b99e9b0d2fc19f04ee1.exe
Resource
win10-en-20211208
General
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Target
391c407f5d091ee3e521ecfe9abfdc0771d01dc086090b99e9b0d2fc19f04ee1.exe
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Size
79KB
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MD5
b8346b4a5f8b4a6d79814f9824940504
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SHA1
f957d93e9ac2eabb3f77c38266e549db2dc34df8
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SHA256
391c407f5d091ee3e521ecfe9abfdc0771d01dc086090b99e9b0d2fc19f04ee1
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SHA512
6991780462d6ff7308bce3ae349b2d760bf02675e239d2a7fbe8c42a30ade30e61b43f7430ed2666c8072d835c9ac8fd07818b52f4fcb804b238ee87eac95ba7
Malware Config
Signatures
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Sakula Payload 3 IoCs
Processes:
resource yara_rule \Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe family_sakula \Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe family_sakula C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe family_sakula -
Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 832 MediaCenter.exe -
Deletes itself 1 IoCs
Processes:
cmd.exepid process 824 cmd.exe -
Loads dropped DLL 2 IoCs
Processes:
391c407f5d091ee3e521ecfe9abfdc0771d01dc086090b99e9b0d2fc19f04ee1.exepid process 1628 391c407f5d091ee3e521ecfe9abfdc0771d01dc086090b99e9b0d2fc19f04ee1.exe 1628 391c407f5d091ee3e521ecfe9abfdc0771d01dc086090b99e9b0d2fc19f04ee1.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
391c407f5d091ee3e521ecfe9abfdc0771d01dc086090b99e9b0d2fc19f04ee1.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 391c407f5d091ee3e521ecfe9abfdc0771d01dc086090b99e9b0d2fc19f04ee1.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:
391c407f5d091ee3e521ecfe9abfdc0771d01dc086090b99e9b0d2fc19f04ee1.exedescription pid process Token: SeIncBasePriorityPrivilege 1628 391c407f5d091ee3e521ecfe9abfdc0771d01dc086090b99e9b0d2fc19f04ee1.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
391c407f5d091ee3e521ecfe9abfdc0771d01dc086090b99e9b0d2fc19f04ee1.execmd.exedescription pid process target process PID 1628 wrote to memory of 832 1628 391c407f5d091ee3e521ecfe9abfdc0771d01dc086090b99e9b0d2fc19f04ee1.exe MediaCenter.exe PID 1628 wrote to memory of 832 1628 391c407f5d091ee3e521ecfe9abfdc0771d01dc086090b99e9b0d2fc19f04ee1.exe MediaCenter.exe PID 1628 wrote to memory of 832 1628 391c407f5d091ee3e521ecfe9abfdc0771d01dc086090b99e9b0d2fc19f04ee1.exe MediaCenter.exe PID 1628 wrote to memory of 832 1628 391c407f5d091ee3e521ecfe9abfdc0771d01dc086090b99e9b0d2fc19f04ee1.exe MediaCenter.exe PID 1628 wrote to memory of 824 1628 391c407f5d091ee3e521ecfe9abfdc0771d01dc086090b99e9b0d2fc19f04ee1.exe cmd.exe PID 1628 wrote to memory of 824 1628 391c407f5d091ee3e521ecfe9abfdc0771d01dc086090b99e9b0d2fc19f04ee1.exe cmd.exe PID 1628 wrote to memory of 824 1628 391c407f5d091ee3e521ecfe9abfdc0771d01dc086090b99e9b0d2fc19f04ee1.exe cmd.exe PID 1628 wrote to memory of 824 1628 391c407f5d091ee3e521ecfe9abfdc0771d01dc086090b99e9b0d2fc19f04ee1.exe cmd.exe PID 824 wrote to memory of 1056 824 cmd.exe PING.EXE PID 824 wrote to memory of 1056 824 cmd.exe PING.EXE PID 824 wrote to memory of 1056 824 cmd.exe PING.EXE PID 824 wrote to memory of 1056 824 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\391c407f5d091ee3e521ecfe9abfdc0771d01dc086090b99e9b0d2fc19f04ee1.exe"C:\Users\Admin\AppData\Local\Temp\391c407f5d091ee3e521ecfe9abfdc0771d01dc086090b99e9b0d2fc19f04ee1.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1628 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:832 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\391c407f5d091ee3e521ecfe9abfdc0771d01dc086090b99e9b0d2fc19f04ee1.exe"2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:824 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:1056
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
-
MD5
d0b955a6ef39ddeaa54a9cbc358a4118
SHA1512d9a6bd28442295650b2f8230a2b5d39d7893e
SHA2566b575f11109f0605a5500487b2d67b93f0a600e00ee8f44a4c6b0cd59069d7c3
SHA512621c35acaf930ae4c7f0821b2067fb3e668c1d1f8b5043a95da55f383b3ecc0dd5b0097d0dfbc9609aa4ebb91befa1f22f57330abb236f8d0e372e9361da0024
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MD5
d0b955a6ef39ddeaa54a9cbc358a4118
SHA1512d9a6bd28442295650b2f8230a2b5d39d7893e
SHA2566b575f11109f0605a5500487b2d67b93f0a600e00ee8f44a4c6b0cd59069d7c3
SHA512621c35acaf930ae4c7f0821b2067fb3e668c1d1f8b5043a95da55f383b3ecc0dd5b0097d0dfbc9609aa4ebb91befa1f22f57330abb236f8d0e372e9361da0024
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MD5
d0b955a6ef39ddeaa54a9cbc358a4118
SHA1512d9a6bd28442295650b2f8230a2b5d39d7893e
SHA2566b575f11109f0605a5500487b2d67b93f0a600e00ee8f44a4c6b0cd59069d7c3
SHA512621c35acaf930ae4c7f0821b2067fb3e668c1d1f8b5043a95da55f383b3ecc0dd5b0097d0dfbc9609aa4ebb91befa1f22f57330abb236f8d0e372e9361da0024