Analysis
- max time kernel
123s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system - submitted
20/12/2023, 12:54
Behavioral task
behavioral1
Sample
b513e34939f4c8db1c0a0043aca5ee50.exe
Resource
win7-20231215-en
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
b513e34939f4c8db1c0a0043aca5ee50.exe
Resource
win10v2004-20231215-en
9 signatures
150 seconds
General
- Target b513e34939f4c8db1c0a0043aca5ee50.exe
- Size 304KB
- Sample231220-p5e7cafdb2
- SHA256 33c8ace830117c2b62deb9447d1319803cd82cf996213fd2dd7bb6c99933b346
- MD5 b513e34939f4c8db1c0a0043aca5ee50
- SHA1 204659586b81770e2e967ee13e7d43d2c61b377f
- SHA512 81b7c0ab70ea0e630e9a85b39e5237b26efddc7098ebbc0acbcc16070b8d0e74383d4526c0c5cda0213f0f97c8a413abb01b3cf3169de2cde87bc8ca4ea456a9
- SSDEEP 6144:M29qRfVSndj30B3wBxE1+ijiBKk3etdgI2MyzNORQtOfl1qNVo7R+S+N/B:0RfQn+w8EYiBld
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Extracted
Family
-
sakula
C2
-
www.polarroute.com
Signatures
- Sakula payload 4 IoCs
resource yara_rule behavioral2/memory/1564-0-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula behavioral2/files/0x000900000002320b-3.dat family_sakula behavioral2/memory/432-5-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula behavioral2/memory/1564-6-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\Control Panel\International\Geo\Nation b513e34939f4c8db1c0a0043aca5ee50.exe - Executes dropped EXE 1 IoCs
pid Process 432 MediaCenter.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" b513e34939f4c8db1c0a0043aca5ee50.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Runs ping.exe 1 TTPs 1 IoCs
pid Process 3300 PING.EXE - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 1564 b513e34939f4c8db1c0a0043aca5ee50.exe - Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 1564 wrote to memory of 432 1564 b513e34939f4c8db1c0a0043aca5ee50.exe 87 PID 1564 wrote to memory of 432 1564 b513e34939f4c8db1c0a0043aca5ee50.exe 87 PID 1564 wrote to memory of 432 1564 b513e34939f4c8db1c0a0043aca5ee50.exe 87 PID 1564 wrote to memory of 4252 1564 b513e34939f4c8db1c0a0043aca5ee50.exe 93 PID 1564 wrote to memory of 4252 1564 b513e34939f4c8db1c0a0043aca5ee50.exe 93 PID 1564 wrote to memory of 4252 1564 b513e34939f4c8db1c0a0043aca5ee50.exe 93 PID 4252 wrote to memory of 3300 4252 cmd.exe 95 PID 4252 wrote to memory of 3300 4252 cmd.exe 95 PID 4252 wrote to memory of 3300 4252 cmd.exe 95
Processes
-
C:\Users\Admin\AppData\Local\Temp\b513e34939f4c8db1c0a0043aca5ee50.exe"C:\Users\Admin\AppData\Local\Temp\b513e34939f4c8db1c0a0043aca5ee50.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1564 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:432
-
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\b513e34939f4c8db1c0a0043aca5ee50.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:4252 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3300
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
- Size 304KB
- SHA256 b5915fc749753003b168e41fd3ffdc98abe18b9ca4b19c0cd9f41bb9253e3e12
- MD5 f05b25a2d75c8379faf9635b42a6ac7e
- SHA1 a16a43b7b84ed95b9cf17b3592c365433880015f
- SHA512 211527ec74fa2f1829d80dbdb0cd59f943141602d62f2b24a1867e1cf38b5445e63257c8a3a66838e1edea11567f03024d01400886b9c7eb7ff2caa47311bc1e
- SSDEEP 6144:M29qRfVSndj30B3wBxE1+ijiBKk3etdgI2MyzNORQtOfl1qNVo7R+S+N/V:0RfQn+w8EYiBl5
- MD5 SHA1 SHA512 SSDEEP