Analysis
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max time kernel
147s -
max time network
157s -
platform
windows7_x64 -
resource
win7-en-20211208 -
submitted
12-02-2022 04:22
Static task
static1
Behavioral task
behavioral1
Sample
157019728d9d34e3594dc32759c328fa76c445c0efb922e3fa9ac6f0aa128b1b.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
157019728d9d34e3594dc32759c328fa76c445c0efb922e3fa9ac6f0aa128b1b.exe
Resource
win10v2004-en-20220113
General
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Target
157019728d9d34e3594dc32759c328fa76c445c0efb922e3fa9ac6f0aa128b1b.exe
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Size
79KB
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MD5
fa0b467ee01572ef85738cfb7d7ac40b
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SHA1
1ca49a9a5f5a6875ca3c9f905aa62157ae02e6e1
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SHA256
157019728d9d34e3594dc32759c328fa76c445c0efb922e3fa9ac6f0aa128b1b
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SHA512
396d16ab5b8fed73cc627c82c5a18ec7bfa9edef85baa319b06c06130d9a497c68e4bf858301216001cebcfc0bd9496bea9c593af684820c3bab7da70cecfc68
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 1488 MediaCenter.exe -
Deletes itself 1 IoCs
Processes:
cmd.exepid process 780 cmd.exe -
Loads dropped DLL 2 IoCs
Processes:
157019728d9d34e3594dc32759c328fa76c445c0efb922e3fa9ac6f0aa128b1b.exepid process 1692 157019728d9d34e3594dc32759c328fa76c445c0efb922e3fa9ac6f0aa128b1b.exe 1692 157019728d9d34e3594dc32759c328fa76c445c0efb922e3fa9ac6f0aa128b1b.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
157019728d9d34e3594dc32759c328fa76c445c0efb922e3fa9ac6f0aa128b1b.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 157019728d9d34e3594dc32759c328fa76c445c0efb922e3fa9ac6f0aa128b1b.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:
157019728d9d34e3594dc32759c328fa76c445c0efb922e3fa9ac6f0aa128b1b.exedescription pid process Token: SeIncBasePriorityPrivilege 1692 157019728d9d34e3594dc32759c328fa76c445c0efb922e3fa9ac6f0aa128b1b.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
157019728d9d34e3594dc32759c328fa76c445c0efb922e3fa9ac6f0aa128b1b.execmd.exedescription pid process target process PID 1692 wrote to memory of 1488 1692 157019728d9d34e3594dc32759c328fa76c445c0efb922e3fa9ac6f0aa128b1b.exe MediaCenter.exe PID 1692 wrote to memory of 1488 1692 157019728d9d34e3594dc32759c328fa76c445c0efb922e3fa9ac6f0aa128b1b.exe MediaCenter.exe PID 1692 wrote to memory of 1488 1692 157019728d9d34e3594dc32759c328fa76c445c0efb922e3fa9ac6f0aa128b1b.exe MediaCenter.exe PID 1692 wrote to memory of 1488 1692 157019728d9d34e3594dc32759c328fa76c445c0efb922e3fa9ac6f0aa128b1b.exe MediaCenter.exe PID 1692 wrote to memory of 780 1692 157019728d9d34e3594dc32759c328fa76c445c0efb922e3fa9ac6f0aa128b1b.exe cmd.exe PID 1692 wrote to memory of 780 1692 157019728d9d34e3594dc32759c328fa76c445c0efb922e3fa9ac6f0aa128b1b.exe cmd.exe PID 1692 wrote to memory of 780 1692 157019728d9d34e3594dc32759c328fa76c445c0efb922e3fa9ac6f0aa128b1b.exe cmd.exe PID 1692 wrote to memory of 780 1692 157019728d9d34e3594dc32759c328fa76c445c0efb922e3fa9ac6f0aa128b1b.exe cmd.exe PID 780 wrote to memory of 980 780 cmd.exe PING.EXE PID 780 wrote to memory of 980 780 cmd.exe PING.EXE PID 780 wrote to memory of 980 780 cmd.exe PING.EXE PID 780 wrote to memory of 980 780 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\157019728d9d34e3594dc32759c328fa76c445c0efb922e3fa9ac6f0aa128b1b.exe"C:\Users\Admin\AppData\Local\Temp\157019728d9d34e3594dc32759c328fa76c445c0efb922e3fa9ac6f0aa128b1b.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1692 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:1488 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\157019728d9d34e3594dc32759c328fa76c445c0efb922e3fa9ac6f0aa128b1b.exe"2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:780 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:980
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
a43b52a152f3ac0cb42e3e4f9d9be927
SHA1d94748c773c0fe8034a2b0ff8efb07fda4252057
SHA25670c2b9b486aa666d8030e7644b1f1ebbd42341888a7ad9ebb7bbc2fcaa596fdc
SHA51234b202eb01e6ee3f1f0291234c7849f5cc214886ca6c66df3974c77ca0a6c9bfb8c86fb53a7200e232e20acc27af6a664e7b19067348b832ef282f1c0acb48ce
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MD5
a43b52a152f3ac0cb42e3e4f9d9be927
SHA1d94748c773c0fe8034a2b0ff8efb07fda4252057
SHA25670c2b9b486aa666d8030e7644b1f1ebbd42341888a7ad9ebb7bbc2fcaa596fdc
SHA51234b202eb01e6ee3f1f0291234c7849f5cc214886ca6c66df3974c77ca0a6c9bfb8c86fb53a7200e232e20acc27af6a664e7b19067348b832ef282f1c0acb48ce
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MD5
a43b52a152f3ac0cb42e3e4f9d9be927
SHA1d94748c773c0fe8034a2b0ff8efb07fda4252057
SHA25670c2b9b486aa666d8030e7644b1f1ebbd42341888a7ad9ebb7bbc2fcaa596fdc
SHA51234b202eb01e6ee3f1f0291234c7849f5cc214886ca6c66df3974c77ca0a6c9bfb8c86fb53a7200e232e20acc27af6a664e7b19067348b832ef282f1c0acb48ce