Analysis
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max time kernel
131s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
10-10-2022 02:36
Behavioral task
behavioral1
Sample
3cae1b420842e5bc4098dffac0dd44fa.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
3cae1b420842e5bc4098dffac0dd44fa.exe
Resource
win10v2004-20220812-en
General
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Target
3cae1b420842e5bc4098dffac0dd44fa.exe
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Size
89KB
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MD5
3cae1b420842e5bc4098dffac0dd44fa
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SHA1
321be89ffb70aa7c4cccfdb80df413b1c76c2230
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SHA256
82334fde2fa92edf636d8885d542627f98aa326cf50df9b0f124229d8d857b11
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SHA512
838f25841dc233671dd007b94c871ef0bb42b6efff66ecf4a079e9cd406ecbc228fe4050702f14224d4d46e50905f6fab9a6e02f35c7904bc8f74563c8e2d1c8
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SSDEEP
1536:voaj1hJL1S9t0MIeboal8bCKxo7h0RP0jwHVz30rtroWuxzug:Q0hpgz6xGhTjwHN30BE3D
Malware Config
Signatures
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Sakula payload 2 IoCs
Processes:
resource yara_rule C:\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 4968 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
3cae1b420842e5bc4098dffac0dd44fa.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation 3cae1b420842e5bc4098dffac0dd44fa.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
3cae1b420842e5bc4098dffac0dd44fa.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 3cae1b420842e5bc4098dffac0dd44fa.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:
3cae1b420842e5bc4098dffac0dd44fa.exedescription pid process Token: SeIncBasePriorityPrivilege 3448 3cae1b420842e5bc4098dffac0dd44fa.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
3cae1b420842e5bc4098dffac0dd44fa.execmd.exedescription pid process target process PID 3448 wrote to memory of 4968 3448 3cae1b420842e5bc4098dffac0dd44fa.exe MediaCenter.exe PID 3448 wrote to memory of 4968 3448 3cae1b420842e5bc4098dffac0dd44fa.exe MediaCenter.exe PID 3448 wrote to memory of 4968 3448 3cae1b420842e5bc4098dffac0dd44fa.exe MediaCenter.exe PID 3448 wrote to memory of 3416 3448 3cae1b420842e5bc4098dffac0dd44fa.exe cmd.exe PID 3448 wrote to memory of 3416 3448 3cae1b420842e5bc4098dffac0dd44fa.exe cmd.exe PID 3448 wrote to memory of 3416 3448 3cae1b420842e5bc4098dffac0dd44fa.exe cmd.exe PID 3416 wrote to memory of 3724 3416 cmd.exe PING.EXE PID 3416 wrote to memory of 3724 3416 cmd.exe PING.EXE PID 3416 wrote to memory of 3724 3416 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\3cae1b420842e5bc4098dffac0dd44fa.exe"C:\Users\Admin\AppData\Local\Temp\3cae1b420842e5bc4098dffac0dd44fa.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3448 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:4968 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\3cae1b420842e5bc4098dffac0dd44fa.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3416 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3724
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.exeFilesize
89KB
MD52a64a6d6a74484ac0436352c048e9463
SHA1a73d9a28a993c892c5d70004133f8bb24b783942
SHA256bdd61c172eecd899a11ef6638f565789bdb95528d23dda88fd7480f926b5a029
SHA51264354321bb87a83f9d8dda47e4967c0c9d249d447b7c97c311726905940a931e2ddd8b890edf966d3504cf893855da7bb815a3d50e7a97681e4a7bd5c33520a8
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeFilesize
89KB
MD52a64a6d6a74484ac0436352c048e9463
SHA1a73d9a28a993c892c5d70004133f8bb24b783942
SHA256bdd61c172eecd899a11ef6638f565789bdb95528d23dda88fd7480f926b5a029
SHA51264354321bb87a83f9d8dda47e4967c0c9d249d447b7c97c311726905940a931e2ddd8b890edf966d3504cf893855da7bb815a3d50e7a97681e4a7bd5c33520a8
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memory/3416-135-0x0000000000000000-mapping.dmp
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memory/3724-136-0x0000000000000000-mapping.dmp
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memory/4968-132-0x0000000000000000-mapping.dmp