Analysis
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max time kernel
122s -
max time network
128s -
platform
windows7_x64 -
resource
win7-en-20211208 -
submitted
30-01-2022 23:00
Static task
static1
Behavioral task
behavioral1
Sample
20f25b29416e2df84ca30a749e1d3382f0df84d24a6e72029f065f79445158a1.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
20f25b29416e2df84ca30a749e1d3382f0df84d24a6e72029f065f79445158a1.exe
Resource
win10-en-20211208
General
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Target
20f25b29416e2df84ca30a749e1d3382f0df84d24a6e72029f065f79445158a1.exe
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Size
79KB
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MD5
67fceab90a142e1e286bca0922dbffd3
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SHA1
4da530701e92158c497b4e8ef61de4479689763e
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SHA256
20f25b29416e2df84ca30a749e1d3382f0df84d24a6e72029f065f79445158a1
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SHA512
5881392229931158c8ea5b33321fe24d703a82c9c64ecb889261b4ec8b46ced9dd0d652c6b4fd414cd70f23b10f702e506333beb24a616bbd4d3e58201e48ef7
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 1224 MediaCenter.exe -
Deletes itself 1 IoCs
Processes:
cmd.exepid process 440 cmd.exe -
Loads dropped DLL 2 IoCs
Processes:
20f25b29416e2df84ca30a749e1d3382f0df84d24a6e72029f065f79445158a1.exepid process 1900 20f25b29416e2df84ca30a749e1d3382f0df84d24a6e72029f065f79445158a1.exe 1900 20f25b29416e2df84ca30a749e1d3382f0df84d24a6e72029f065f79445158a1.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
20f25b29416e2df84ca30a749e1d3382f0df84d24a6e72029f065f79445158a1.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 20f25b29416e2df84ca30a749e1d3382f0df84d24a6e72029f065f79445158a1.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:
20f25b29416e2df84ca30a749e1d3382f0df84d24a6e72029f065f79445158a1.exedescription pid process Token: SeIncBasePriorityPrivilege 1900 20f25b29416e2df84ca30a749e1d3382f0df84d24a6e72029f065f79445158a1.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
20f25b29416e2df84ca30a749e1d3382f0df84d24a6e72029f065f79445158a1.execmd.exedescription pid process target process PID 1900 wrote to memory of 1224 1900 20f25b29416e2df84ca30a749e1d3382f0df84d24a6e72029f065f79445158a1.exe MediaCenter.exe PID 1900 wrote to memory of 1224 1900 20f25b29416e2df84ca30a749e1d3382f0df84d24a6e72029f065f79445158a1.exe MediaCenter.exe PID 1900 wrote to memory of 1224 1900 20f25b29416e2df84ca30a749e1d3382f0df84d24a6e72029f065f79445158a1.exe MediaCenter.exe PID 1900 wrote to memory of 1224 1900 20f25b29416e2df84ca30a749e1d3382f0df84d24a6e72029f065f79445158a1.exe MediaCenter.exe PID 1900 wrote to memory of 440 1900 20f25b29416e2df84ca30a749e1d3382f0df84d24a6e72029f065f79445158a1.exe cmd.exe PID 1900 wrote to memory of 440 1900 20f25b29416e2df84ca30a749e1d3382f0df84d24a6e72029f065f79445158a1.exe cmd.exe PID 1900 wrote to memory of 440 1900 20f25b29416e2df84ca30a749e1d3382f0df84d24a6e72029f065f79445158a1.exe cmd.exe PID 1900 wrote to memory of 440 1900 20f25b29416e2df84ca30a749e1d3382f0df84d24a6e72029f065f79445158a1.exe cmd.exe PID 440 wrote to memory of 1760 440 cmd.exe PING.EXE PID 440 wrote to memory of 1760 440 cmd.exe PING.EXE PID 440 wrote to memory of 1760 440 cmd.exe PING.EXE PID 440 wrote to memory of 1760 440 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\20f25b29416e2df84ca30a749e1d3382f0df84d24a6e72029f065f79445158a1.exe"C:\Users\Admin\AppData\Local\Temp\20f25b29416e2df84ca30a749e1d3382f0df84d24a6e72029f065f79445158a1.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1900 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:1224 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\20f25b29416e2df84ca30a749e1d3382f0df84d24a6e72029f065f79445158a1.exe"2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:440 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:1760
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
aae637543e0e6d38b1e6e1baa9653251
SHA141dd507fa2792c434752b3a8b864b043d817ff1b
SHA256b2380f6d559412b3db022bd6d080de31e774c4a07c7862ad60920f95fb4cb4bd
SHA5120a4001873e21f7c336d4b883b834570e09c52012a975cf130b553ef560164e3066cc1ccc846354f183a11dfb2c61d6d10576939843529ba510ceb17d3f408d4e
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MD5
aae637543e0e6d38b1e6e1baa9653251
SHA141dd507fa2792c434752b3a8b864b043d817ff1b
SHA256b2380f6d559412b3db022bd6d080de31e774c4a07c7862ad60920f95fb4cb4bd
SHA5120a4001873e21f7c336d4b883b834570e09c52012a975cf130b553ef560164e3066cc1ccc846354f183a11dfb2c61d6d10576939843529ba510ceb17d3f408d4e
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MD5
aae637543e0e6d38b1e6e1baa9653251
SHA141dd507fa2792c434752b3a8b864b043d817ff1b
SHA256b2380f6d559412b3db022bd6d080de31e774c4a07c7862ad60920f95fb4cb4bd
SHA5120a4001873e21f7c336d4b883b834570e09c52012a975cf130b553ef560164e3066cc1ccc846354f183a11dfb2c61d6d10576939843529ba510ceb17d3f408d4e