Analysis
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max time kernel
121s -
max time network
140s -
platform
windows7_x64 -
resource
win7-en-20211208 -
submitted
12-02-2022 03:54
Static task
static1
Behavioral task
behavioral1
Sample
1686e01a1bce295920cfe1c433638ee40a868d5b03280487bddb01244696f13e.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
1686e01a1bce295920cfe1c433638ee40a868d5b03280487bddb01244696f13e.exe
Resource
win10v2004-en-20220113
General
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Target
1686e01a1bce295920cfe1c433638ee40a868d5b03280487bddb01244696f13e.exe
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Size
99KB
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MD5
ff045397b1c67b1e40248f66a8d47a46
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SHA1
d6e030f3399b70526604f735eb08be687c74cfec
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SHA256
1686e01a1bce295920cfe1c433638ee40a868d5b03280487bddb01244696f13e
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SHA512
59cce262c50e8a81cda19bc0d19ee5cc72e9da36b159cb7b88eb0a98eeca31cdaada8e35e82c7c2d531d5a853903c25a4e4bb63141f20d2feaf72615e661aa55
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 C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe family_sakula \Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe family_sakula -
Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 1788 MediaCenter.exe -
Deletes itself 1 IoCs
Processes:
cmd.exepid process 1920 cmd.exe -
Loads dropped DLL 2 IoCs
Processes:
1686e01a1bce295920cfe1c433638ee40a868d5b03280487bddb01244696f13e.exepid process 1648 1686e01a1bce295920cfe1c433638ee40a868d5b03280487bddb01244696f13e.exe 1648 1686e01a1bce295920cfe1c433638ee40a868d5b03280487bddb01244696f13e.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
1686e01a1bce295920cfe1c433638ee40a868d5b03280487bddb01244696f13e.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 1686e01a1bce295920cfe1c433638ee40a868d5b03280487bddb01244696f13e.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:
1686e01a1bce295920cfe1c433638ee40a868d5b03280487bddb01244696f13e.exedescription pid process Token: SeIncBasePriorityPrivilege 1648 1686e01a1bce295920cfe1c433638ee40a868d5b03280487bddb01244696f13e.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
1686e01a1bce295920cfe1c433638ee40a868d5b03280487bddb01244696f13e.execmd.exedescription pid process target process PID 1648 wrote to memory of 1788 1648 1686e01a1bce295920cfe1c433638ee40a868d5b03280487bddb01244696f13e.exe MediaCenter.exe PID 1648 wrote to memory of 1788 1648 1686e01a1bce295920cfe1c433638ee40a868d5b03280487bddb01244696f13e.exe MediaCenter.exe PID 1648 wrote to memory of 1788 1648 1686e01a1bce295920cfe1c433638ee40a868d5b03280487bddb01244696f13e.exe MediaCenter.exe PID 1648 wrote to memory of 1788 1648 1686e01a1bce295920cfe1c433638ee40a868d5b03280487bddb01244696f13e.exe MediaCenter.exe PID 1648 wrote to memory of 1920 1648 1686e01a1bce295920cfe1c433638ee40a868d5b03280487bddb01244696f13e.exe cmd.exe PID 1648 wrote to memory of 1920 1648 1686e01a1bce295920cfe1c433638ee40a868d5b03280487bddb01244696f13e.exe cmd.exe PID 1648 wrote to memory of 1920 1648 1686e01a1bce295920cfe1c433638ee40a868d5b03280487bddb01244696f13e.exe cmd.exe PID 1648 wrote to memory of 1920 1648 1686e01a1bce295920cfe1c433638ee40a868d5b03280487bddb01244696f13e.exe cmd.exe PID 1920 wrote to memory of 1668 1920 cmd.exe PING.EXE PID 1920 wrote to memory of 1668 1920 cmd.exe PING.EXE PID 1920 wrote to memory of 1668 1920 cmd.exe PING.EXE PID 1920 wrote to memory of 1668 1920 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\1686e01a1bce295920cfe1c433638ee40a868d5b03280487bddb01244696f13e.exe"C:\Users\Admin\AppData\Local\Temp\1686e01a1bce295920cfe1c433638ee40a868d5b03280487bddb01244696f13e.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1648 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:1788 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\1686e01a1bce295920cfe1c433638ee40a868d5b03280487bddb01244696f13e.exe"2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:1920 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:1668
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
aac3e37472a7ec9376f7475c1532c21e
SHA1087628f31813e872d0010249b6e916b4b8a2cab9
SHA25688535f379c53eb16cf8a9379eba2bb07288ed672196efe491aa0b31e2669fdfc
SHA5127f410bef7af71f5633e603d3b78be648160cdcff06cb9472780c1a25238f741cfa02646d054273567a373a163981915688211e02ec615496a624c3eb533217ea
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MD5
aac3e37472a7ec9376f7475c1532c21e
SHA1087628f31813e872d0010249b6e916b4b8a2cab9
SHA25688535f379c53eb16cf8a9379eba2bb07288ed672196efe491aa0b31e2669fdfc
SHA5127f410bef7af71f5633e603d3b78be648160cdcff06cb9472780c1a25238f741cfa02646d054273567a373a163981915688211e02ec615496a624c3eb533217ea
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MD5
aac3e37472a7ec9376f7475c1532c21e
SHA1087628f31813e872d0010249b6e916b4b8a2cab9
SHA25688535f379c53eb16cf8a9379eba2bb07288ed672196efe491aa0b31e2669fdfc
SHA5127f410bef7af71f5633e603d3b78be648160cdcff06cb9472780c1a25238f741cfa02646d054273567a373a163981915688211e02ec615496a624c3eb533217ea