Analysis
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max time kernel
145s -
max time network
162s -
platform
windows7_x64 -
resource
win7-en-20211208 -
submitted
12-02-2022 09:23
Static task
static1
Behavioral task
behavioral1
Sample
0a3c1562d19d70ab80764b9d0810abfd739d78261490e03a6d3a0475226d3f53.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0a3c1562d19d70ab80764b9d0810abfd739d78261490e03a6d3a0475226d3f53.exe
Resource
win10v2004-en-20220113
General
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Target
0a3c1562d19d70ab80764b9d0810abfd739d78261490e03a6d3a0475226d3f53.exe
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Size
191KB
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MD5
4aa1b9223bd3930fab312047a0a9b693
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SHA1
5d7710c677eaf61dce9a23c303878ae82091539b
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SHA256
0a3c1562d19d70ab80764b9d0810abfd739d78261490e03a6d3a0475226d3f53
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SHA512
93057e1a120dc730883f0b5b2c11f87b70d15e9515594b39a90db97dc4ce32eb83bcf9f744a066472863214f898be3631cb3c1cb82ddef0d582e4dd47c2120c8
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 948 MediaCenter.exe -
Deletes itself 1 IoCs
Processes:
cmd.exepid process 1040 cmd.exe -
Loads dropped DLL 2 IoCs
Processes:
0a3c1562d19d70ab80764b9d0810abfd739d78261490e03a6d3a0475226d3f53.exepid process 1288 0a3c1562d19d70ab80764b9d0810abfd739d78261490e03a6d3a0475226d3f53.exe 1288 0a3c1562d19d70ab80764b9d0810abfd739d78261490e03a6d3a0475226d3f53.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
0a3c1562d19d70ab80764b9d0810abfd739d78261490e03a6d3a0475226d3f53.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 0a3c1562d19d70ab80764b9d0810abfd739d78261490e03a6d3a0475226d3f53.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:
0a3c1562d19d70ab80764b9d0810abfd739d78261490e03a6d3a0475226d3f53.exedescription pid process Token: SeIncBasePriorityPrivilege 1288 0a3c1562d19d70ab80764b9d0810abfd739d78261490e03a6d3a0475226d3f53.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
0a3c1562d19d70ab80764b9d0810abfd739d78261490e03a6d3a0475226d3f53.execmd.exedescription pid process target process PID 1288 wrote to memory of 948 1288 0a3c1562d19d70ab80764b9d0810abfd739d78261490e03a6d3a0475226d3f53.exe MediaCenter.exe PID 1288 wrote to memory of 948 1288 0a3c1562d19d70ab80764b9d0810abfd739d78261490e03a6d3a0475226d3f53.exe MediaCenter.exe PID 1288 wrote to memory of 948 1288 0a3c1562d19d70ab80764b9d0810abfd739d78261490e03a6d3a0475226d3f53.exe MediaCenter.exe PID 1288 wrote to memory of 948 1288 0a3c1562d19d70ab80764b9d0810abfd739d78261490e03a6d3a0475226d3f53.exe MediaCenter.exe PID 1288 wrote to memory of 1040 1288 0a3c1562d19d70ab80764b9d0810abfd739d78261490e03a6d3a0475226d3f53.exe cmd.exe PID 1288 wrote to memory of 1040 1288 0a3c1562d19d70ab80764b9d0810abfd739d78261490e03a6d3a0475226d3f53.exe cmd.exe PID 1288 wrote to memory of 1040 1288 0a3c1562d19d70ab80764b9d0810abfd739d78261490e03a6d3a0475226d3f53.exe cmd.exe PID 1288 wrote to memory of 1040 1288 0a3c1562d19d70ab80764b9d0810abfd739d78261490e03a6d3a0475226d3f53.exe cmd.exe PID 1040 wrote to memory of 1532 1040 cmd.exe PING.EXE PID 1040 wrote to memory of 1532 1040 cmd.exe PING.EXE PID 1040 wrote to memory of 1532 1040 cmd.exe PING.EXE PID 1040 wrote to memory of 1532 1040 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\0a3c1562d19d70ab80764b9d0810abfd739d78261490e03a6d3a0475226d3f53.exe"C:\Users\Admin\AppData\Local\Temp\0a3c1562d19d70ab80764b9d0810abfd739d78261490e03a6d3a0475226d3f53.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1288 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:948 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0a3c1562d19d70ab80764b9d0810abfd739d78261490e03a6d3a0475226d3f53.exe"2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:1040 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:1532
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
50dfe9e145b5ae099d6bf42f20c99312
SHA1576c7074b2cd6d41a1775a33efa64ff8a34106be
SHA256c9dea8018a0db0a40333b8a6d8ad3b8dde3be9d3a27c46b839fc38286c8910a6
SHA512a1ffa122c75cbd4dfb48b4a810ca45e834f42c8dda013644d69c9741111bc1f168925fb0528b5c998aafde917d8db8a2f079f0dcb7c6e8e240124daec793b55f
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\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
50dfe9e145b5ae099d6bf42f20c99312
SHA1576c7074b2cd6d41a1775a33efa64ff8a34106be
SHA256c9dea8018a0db0a40333b8a6d8ad3b8dde3be9d3a27c46b839fc38286c8910a6
SHA512a1ffa122c75cbd4dfb48b4a810ca45e834f42c8dda013644d69c9741111bc1f168925fb0528b5c998aafde917d8db8a2f079f0dcb7c6e8e240124daec793b55f
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\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
50dfe9e145b5ae099d6bf42f20c99312
SHA1576c7074b2cd6d41a1775a33efa64ff8a34106be
SHA256c9dea8018a0db0a40333b8a6d8ad3b8dde3be9d3a27c46b839fc38286c8910a6
SHA512a1ffa122c75cbd4dfb48b4a810ca45e834f42c8dda013644d69c9741111bc1f168925fb0528b5c998aafde917d8db8a2f079f0dcb7c6e8e240124daec793b55f
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memory/1288-55-0x0000000075F81000-0x0000000075F83000-memory.dmpFilesize
8KB