Analysis
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max time kernel
135s -
max time network
135s -
platform
windows7_x64 -
resource
win7-en-20211208 -
submitted
30-01-2022 17:15
Static task
static1
Behavioral task
behavioral1
Sample
681c792dfc004c217b8727465fd92aa1f5661e5d4dc7b0ab9bc4bbfebd93730f.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
681c792dfc004c217b8727465fd92aa1f5661e5d4dc7b0ab9bc4bbfebd93730f.exe
Resource
win10-en-20211208
General
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Target
681c792dfc004c217b8727465fd92aa1f5661e5d4dc7b0ab9bc4bbfebd93730f.exe
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Size
89KB
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MD5
71bbd661a61e0fee1f248f303af06f3f
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SHA1
2202b0f53e60ad356226541af56ad87f04d16ed6
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SHA256
681c792dfc004c217b8727465fd92aa1f5661e5d4dc7b0ab9bc4bbfebd93730f
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SHA512
6ced818d1a4aeb1f03525b3b39ad80457a75593da161f0b5ac10f86a41eccd537f901a493fd4f51a21d42997cb3b50ddb3ee7b039d955a4c3928fd2ea11038e9
Malware Config
Signatures
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Sakula Payload 2 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 -
Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 1052 MediaCenter.exe -
Deletes itself 1 IoCs
Processes:
cmd.exepid process 1856 cmd.exe -
Loads dropped DLL 1 IoCs
Processes:
681c792dfc004c217b8727465fd92aa1f5661e5d4dc7b0ab9bc4bbfebd93730f.exepid process 808 681c792dfc004c217b8727465fd92aa1f5661e5d4dc7b0ab9bc4bbfebd93730f.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
681c792dfc004c217b8727465fd92aa1f5661e5d4dc7b0ab9bc4bbfebd93730f.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 681c792dfc004c217b8727465fd92aa1f5661e5d4dc7b0ab9bc4bbfebd93730f.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:
681c792dfc004c217b8727465fd92aa1f5661e5d4dc7b0ab9bc4bbfebd93730f.exedescription pid process Token: SeIncBasePriorityPrivilege 808 681c792dfc004c217b8727465fd92aa1f5661e5d4dc7b0ab9bc4bbfebd93730f.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
681c792dfc004c217b8727465fd92aa1f5661e5d4dc7b0ab9bc4bbfebd93730f.execmd.exedescription pid process target process PID 808 wrote to memory of 1052 808 681c792dfc004c217b8727465fd92aa1f5661e5d4dc7b0ab9bc4bbfebd93730f.exe MediaCenter.exe PID 808 wrote to memory of 1052 808 681c792dfc004c217b8727465fd92aa1f5661e5d4dc7b0ab9bc4bbfebd93730f.exe MediaCenter.exe PID 808 wrote to memory of 1052 808 681c792dfc004c217b8727465fd92aa1f5661e5d4dc7b0ab9bc4bbfebd93730f.exe MediaCenter.exe PID 808 wrote to memory of 1052 808 681c792dfc004c217b8727465fd92aa1f5661e5d4dc7b0ab9bc4bbfebd93730f.exe MediaCenter.exe PID 808 wrote to memory of 1856 808 681c792dfc004c217b8727465fd92aa1f5661e5d4dc7b0ab9bc4bbfebd93730f.exe cmd.exe PID 808 wrote to memory of 1856 808 681c792dfc004c217b8727465fd92aa1f5661e5d4dc7b0ab9bc4bbfebd93730f.exe cmd.exe PID 808 wrote to memory of 1856 808 681c792dfc004c217b8727465fd92aa1f5661e5d4dc7b0ab9bc4bbfebd93730f.exe cmd.exe PID 808 wrote to memory of 1856 808 681c792dfc004c217b8727465fd92aa1f5661e5d4dc7b0ab9bc4bbfebd93730f.exe cmd.exe PID 1856 wrote to memory of 1068 1856 cmd.exe PING.EXE PID 1856 wrote to memory of 1068 1856 cmd.exe PING.EXE PID 1856 wrote to memory of 1068 1856 cmd.exe PING.EXE PID 1856 wrote to memory of 1068 1856 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\681c792dfc004c217b8727465fd92aa1f5661e5d4dc7b0ab9bc4bbfebd93730f.exe"C:\Users\Admin\AppData\Local\Temp\681c792dfc004c217b8727465fd92aa1f5661e5d4dc7b0ab9bc4bbfebd93730f.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:808 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:1052 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\681c792dfc004c217b8727465fd92aa1f5661e5d4dc7b0ab9bc4bbfebd93730f.exe"2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:1856 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:1068
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
eee4733686fd03055f753ae3640d369f
SHA1ccfa0e9d5ad32fc02568d62343619a65a4791989
SHA2561544a3e2b9aee7a2d941448ee2dc2bd65eaa40c1d6e505e8f4adf59425a9c35a
SHA5122eae884078431cbaf9e4432692f0e5fe7296c1c9fef15f79504b2c254818dfd39ffbf29cda7d6336505b0629551ecaf9205069fa46255ab51705bcfd39cb910b
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MD5
eee4733686fd03055f753ae3640d369f
SHA1ccfa0e9d5ad32fc02568d62343619a65a4791989
SHA2561544a3e2b9aee7a2d941448ee2dc2bd65eaa40c1d6e505e8f4adf59425a9c35a
SHA5122eae884078431cbaf9e4432692f0e5fe7296c1c9fef15f79504b2c254818dfd39ffbf29cda7d6336505b0629551ecaf9205069fa46255ab51705bcfd39cb910b