Analysis
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max time kernel
138s -
max time network
168s -
platform
windows7_x64 -
resource
win7-en-20211208 -
submitted
12-02-2022 12:13
Static task
static1
Behavioral task
behavioral1
Sample
023bc7791450762baaf88f9eef665edf2f7aec44a05020447dd137008035f0e3.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
023bc7791450762baaf88f9eef665edf2f7aec44a05020447dd137008035f0e3.exe
Resource
win10v2004-en-20220112
General
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Target
023bc7791450762baaf88f9eef665edf2f7aec44a05020447dd137008035f0e3.exe
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Size
192KB
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MD5
77c286385959c81f3ce25a1c9dcc002f
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SHA1
578434c6b1883d00efd77ab4aeb43bec6d933dcd
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SHA256
023bc7791450762baaf88f9eef665edf2f7aec44a05020447dd137008035f0e3
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SHA512
c976b665b71dca8479f7e31400a97dfd3ecba75814c64c17ccae42c5c9f83eabd70ea87df50312863d45586905d29e389821330cfbe11029da951ef36d4236d6
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 1540 MediaCenter.exe -
Deletes itself 1 IoCs
Processes:
cmd.exepid process 632 cmd.exe -
Loads dropped DLL 2 IoCs
Processes:
023bc7791450762baaf88f9eef665edf2f7aec44a05020447dd137008035f0e3.exepid process 624 023bc7791450762baaf88f9eef665edf2f7aec44a05020447dd137008035f0e3.exe 624 023bc7791450762baaf88f9eef665edf2f7aec44a05020447dd137008035f0e3.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
023bc7791450762baaf88f9eef665edf2f7aec44a05020447dd137008035f0e3.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 023bc7791450762baaf88f9eef665edf2f7aec44a05020447dd137008035f0e3.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:
023bc7791450762baaf88f9eef665edf2f7aec44a05020447dd137008035f0e3.exedescription pid process Token: SeIncBasePriorityPrivilege 624 023bc7791450762baaf88f9eef665edf2f7aec44a05020447dd137008035f0e3.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
023bc7791450762baaf88f9eef665edf2f7aec44a05020447dd137008035f0e3.execmd.exedescription pid process target process PID 624 wrote to memory of 1540 624 023bc7791450762baaf88f9eef665edf2f7aec44a05020447dd137008035f0e3.exe MediaCenter.exe PID 624 wrote to memory of 1540 624 023bc7791450762baaf88f9eef665edf2f7aec44a05020447dd137008035f0e3.exe MediaCenter.exe PID 624 wrote to memory of 1540 624 023bc7791450762baaf88f9eef665edf2f7aec44a05020447dd137008035f0e3.exe MediaCenter.exe PID 624 wrote to memory of 1540 624 023bc7791450762baaf88f9eef665edf2f7aec44a05020447dd137008035f0e3.exe MediaCenter.exe PID 624 wrote to memory of 632 624 023bc7791450762baaf88f9eef665edf2f7aec44a05020447dd137008035f0e3.exe cmd.exe PID 624 wrote to memory of 632 624 023bc7791450762baaf88f9eef665edf2f7aec44a05020447dd137008035f0e3.exe cmd.exe PID 624 wrote to memory of 632 624 023bc7791450762baaf88f9eef665edf2f7aec44a05020447dd137008035f0e3.exe cmd.exe PID 624 wrote to memory of 632 624 023bc7791450762baaf88f9eef665edf2f7aec44a05020447dd137008035f0e3.exe cmd.exe PID 632 wrote to memory of 812 632 cmd.exe PING.EXE PID 632 wrote to memory of 812 632 cmd.exe PING.EXE PID 632 wrote to memory of 812 632 cmd.exe PING.EXE PID 632 wrote to memory of 812 632 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\023bc7791450762baaf88f9eef665edf2f7aec44a05020447dd137008035f0e3.exe"C:\Users\Admin\AppData\Local\Temp\023bc7791450762baaf88f9eef665edf2f7aec44a05020447dd137008035f0e3.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:624 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:1540 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\023bc7791450762baaf88f9eef665edf2f7aec44a05020447dd137008035f0e3.exe"2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:632 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:812
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
cce47f39eb3390e25f2ae5e9a0ae70e7
SHA1f3369bff9132559da627c7bb85d38c45486ab001
SHA256e0e31e9223a0147d3679be0e0fc47f7511e883bd1480b7a3388346e30420c362
SHA512f9f5d452dd849d52f28cbfb8d4a0ac9832320cb84f5a87b1915bd7809b0ebb9cd384613121acd0425389e6cc36ff6538718a0c3346510016ecaf2d26151dba54
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\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
cce47f39eb3390e25f2ae5e9a0ae70e7
SHA1f3369bff9132559da627c7bb85d38c45486ab001
SHA256e0e31e9223a0147d3679be0e0fc47f7511e883bd1480b7a3388346e30420c362
SHA512f9f5d452dd849d52f28cbfb8d4a0ac9832320cb84f5a87b1915bd7809b0ebb9cd384613121acd0425389e6cc36ff6538718a0c3346510016ecaf2d26151dba54
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\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
cce47f39eb3390e25f2ae5e9a0ae70e7
SHA1f3369bff9132559da627c7bb85d38c45486ab001
SHA256e0e31e9223a0147d3679be0e0fc47f7511e883bd1480b7a3388346e30420c362
SHA512f9f5d452dd849d52f28cbfb8d4a0ac9832320cb84f5a87b1915bd7809b0ebb9cd384613121acd0425389e6cc36ff6538718a0c3346510016ecaf2d26151dba54
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memory/624-55-0x0000000076731000-0x0000000076733000-memory.dmpFilesize
8KB