Analysis
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max time kernel
117s -
max time network
130s -
platform
windows7_x64 -
resource
win7-en-20211208 -
submitted
12-02-2022 03:49
Static task
static1
Behavioral task
behavioral1
Sample
16b4159c3f8a8086afd2e4fcf15770cef603ae8d2d8571ccbf21f921033e0c21.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
16b4159c3f8a8086afd2e4fcf15770cef603ae8d2d8571ccbf21f921033e0c21.exe
Resource
win10v2004-en-20220112
General
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Target
16b4159c3f8a8086afd2e4fcf15770cef603ae8d2d8571ccbf21f921033e0c21.exe
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Size
79KB
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MD5
6b94b0c2a67b3c0d889800de0f0cbd9c
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SHA1
2299421c83965da1b456fa5398ca6dd9411f128e
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SHA256
16b4159c3f8a8086afd2e4fcf15770cef603ae8d2d8571ccbf21f921033e0c21
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SHA512
211c2badf81469932c54e4f34998050d2eeefea2501509d73fd6fad87a22939cda9a3a0071e1980673a26fc6f56548354d6caadf1e64978a2d9ec18c3d39a852
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 1324 MediaCenter.exe -
Deletes itself 1 IoCs
Processes:
cmd.exepid process 608 cmd.exe -
Loads dropped DLL 2 IoCs
Processes:
16b4159c3f8a8086afd2e4fcf15770cef603ae8d2d8571ccbf21f921033e0c21.exepid process 892 16b4159c3f8a8086afd2e4fcf15770cef603ae8d2d8571ccbf21f921033e0c21.exe 892 16b4159c3f8a8086afd2e4fcf15770cef603ae8d2d8571ccbf21f921033e0c21.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
16b4159c3f8a8086afd2e4fcf15770cef603ae8d2d8571ccbf21f921033e0c21.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 16b4159c3f8a8086afd2e4fcf15770cef603ae8d2d8571ccbf21f921033e0c21.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:
16b4159c3f8a8086afd2e4fcf15770cef603ae8d2d8571ccbf21f921033e0c21.exedescription pid process Token: SeIncBasePriorityPrivilege 892 16b4159c3f8a8086afd2e4fcf15770cef603ae8d2d8571ccbf21f921033e0c21.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
16b4159c3f8a8086afd2e4fcf15770cef603ae8d2d8571ccbf21f921033e0c21.execmd.exedescription pid process target process PID 892 wrote to memory of 1324 892 16b4159c3f8a8086afd2e4fcf15770cef603ae8d2d8571ccbf21f921033e0c21.exe MediaCenter.exe PID 892 wrote to memory of 1324 892 16b4159c3f8a8086afd2e4fcf15770cef603ae8d2d8571ccbf21f921033e0c21.exe MediaCenter.exe PID 892 wrote to memory of 1324 892 16b4159c3f8a8086afd2e4fcf15770cef603ae8d2d8571ccbf21f921033e0c21.exe MediaCenter.exe PID 892 wrote to memory of 1324 892 16b4159c3f8a8086afd2e4fcf15770cef603ae8d2d8571ccbf21f921033e0c21.exe MediaCenter.exe PID 892 wrote to memory of 608 892 16b4159c3f8a8086afd2e4fcf15770cef603ae8d2d8571ccbf21f921033e0c21.exe cmd.exe PID 892 wrote to memory of 608 892 16b4159c3f8a8086afd2e4fcf15770cef603ae8d2d8571ccbf21f921033e0c21.exe cmd.exe PID 892 wrote to memory of 608 892 16b4159c3f8a8086afd2e4fcf15770cef603ae8d2d8571ccbf21f921033e0c21.exe cmd.exe PID 892 wrote to memory of 608 892 16b4159c3f8a8086afd2e4fcf15770cef603ae8d2d8571ccbf21f921033e0c21.exe cmd.exe PID 608 wrote to memory of 1056 608 cmd.exe PING.EXE PID 608 wrote to memory of 1056 608 cmd.exe PING.EXE PID 608 wrote to memory of 1056 608 cmd.exe PING.EXE PID 608 wrote to memory of 1056 608 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\16b4159c3f8a8086afd2e4fcf15770cef603ae8d2d8571ccbf21f921033e0c21.exe"C:\Users\Admin\AppData\Local\Temp\16b4159c3f8a8086afd2e4fcf15770cef603ae8d2d8571ccbf21f921033e0c21.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:892 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:1324 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\16b4159c3f8a8086afd2e4fcf15770cef603ae8d2d8571ccbf21f921033e0c21.exe"2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:608 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:1056
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
8f6008b4e7c161bdaece8ebef330c4fd
SHA1d98e2b1b6cd8dfd5bb8d3f1013a94ad0dd3113d5
SHA256e38ff7a9a32e60d9cb22c8d57b32d822e6d4bdacc9b783cd8693ed5de3d30b49
SHA5125f22273b18be93b9d258f468141b34850ce6e70142557b2c8ff26d3323f91aeb17052de00b71733efc73b423b0bb265c9955fa3cc9f1e513fde0ad1fd60519c3
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MD5
8f6008b4e7c161bdaece8ebef330c4fd
SHA1d98e2b1b6cd8dfd5bb8d3f1013a94ad0dd3113d5
SHA256e38ff7a9a32e60d9cb22c8d57b32d822e6d4bdacc9b783cd8693ed5de3d30b49
SHA5125f22273b18be93b9d258f468141b34850ce6e70142557b2c8ff26d3323f91aeb17052de00b71733efc73b423b0bb265c9955fa3cc9f1e513fde0ad1fd60519c3
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MD5
8f6008b4e7c161bdaece8ebef330c4fd
SHA1d98e2b1b6cd8dfd5bb8d3f1013a94ad0dd3113d5
SHA256e38ff7a9a32e60d9cb22c8d57b32d822e6d4bdacc9b783cd8693ed5de3d30b49
SHA5125f22273b18be93b9d258f468141b34850ce6e70142557b2c8ff26d3323f91aeb17052de00b71733efc73b423b0bb265c9955fa3cc9f1e513fde0ad1fd60519c3