Analysis
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max time kernel
140s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
14-10-2023 08:18
Behavioral task
behavioral1
Sample
NEAS.db7f0243fda108aab085cdecf6330f80.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
NEAS.db7f0243fda108aab085cdecf6330f80.exe
Resource
win10v2004-20230915-en
General
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Target
NEAS.db7f0243fda108aab085cdecf6330f80.exe
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Size
190KB
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MD5
db7f0243fda108aab085cdecf6330f80
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SHA1
a6dce0cd3c5ec9ec8df426a491df51477a282b69
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SHA256
ba7f5279a74d7d6fa28af1e1e6bac467f8f47c5a28f3a4f544fadc37245af4ee
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SHA512
bd4cea53bff88b00d4ffc5d8c701f25cb2132064d8c5f584541d3719407f80ca8c361cb59d98a9e33d038784234d4e28de353636b4bc507b116cc916d509d4a6
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SSDEEP
3072:929DkEGRQixVSjLa130BYgjXjp+y9T7uZwOuz/xSW:929qRfVSnA30B7XjUbwBxT
Malware Config
Extracted
sakula
www.polarroute.com
Signatures
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Sakula payload 7 IoCs
Processes:
resource yara_rule behavioral2/memory/3016-0-0x0000000000400000-0x0000000000425000-memory.dmp family_sakula behavioral2/memory/1688-5-0x0000000000400000-0x0000000000425000-memory.dmp family_sakula C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe family_sakula C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe family_sakula behavioral2/memory/3016-6-0x0000000000400000-0x0000000000425000-memory.dmp family_sakula behavioral2/memory/1688-7-0x0000000000400000-0x0000000000425000-memory.dmp family_sakula behavioral2/memory/3016-8-0x0000000000400000-0x0000000000425000-memory.dmp family_sakula -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
NEAS.db7f0243fda108aab085cdecf6330f80.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\Control Panel\International\Geo\Nation NEAS.db7f0243fda108aab085cdecf6330f80.exe -
Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 1688 MediaCenter.exe -
Processes:
resource yara_rule behavioral2/memory/3016-0-0x0000000000400000-0x0000000000425000-memory.dmp upx behavioral2/memory/1688-5-0x0000000000400000-0x0000000000425000-memory.dmp upx C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe upx C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe upx behavioral2/memory/3016-6-0x0000000000400000-0x0000000000425000-memory.dmp upx behavioral2/memory/1688-7-0x0000000000400000-0x0000000000425000-memory.dmp upx behavioral2/memory/3016-8-0x0000000000400000-0x0000000000425000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
NEAS.db7f0243fda108aab085cdecf6330f80.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" NEAS.db7f0243fda108aab085cdecf6330f80.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
NEAS.db7f0243fda108aab085cdecf6330f80.exedescription pid process Token: SeIncBasePriorityPrivilege 3016 NEAS.db7f0243fda108aab085cdecf6330f80.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
NEAS.db7f0243fda108aab085cdecf6330f80.execmd.exedescription pid process target process PID 3016 wrote to memory of 1688 3016 NEAS.db7f0243fda108aab085cdecf6330f80.exe MediaCenter.exe PID 3016 wrote to memory of 1688 3016 NEAS.db7f0243fda108aab085cdecf6330f80.exe MediaCenter.exe PID 3016 wrote to memory of 1688 3016 NEAS.db7f0243fda108aab085cdecf6330f80.exe MediaCenter.exe PID 3016 wrote to memory of 2992 3016 NEAS.db7f0243fda108aab085cdecf6330f80.exe cmd.exe PID 3016 wrote to memory of 2992 3016 NEAS.db7f0243fda108aab085cdecf6330f80.exe cmd.exe PID 3016 wrote to memory of 2992 3016 NEAS.db7f0243fda108aab085cdecf6330f80.exe cmd.exe PID 2992 wrote to memory of 2220 2992 cmd.exe PING.EXE PID 2992 wrote to memory of 2220 2992 cmd.exe PING.EXE PID 2992 wrote to memory of 2220 2992 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\NEAS.db7f0243fda108aab085cdecf6330f80.exe"C:\Users\Admin\AppData\Local\Temp\NEAS.db7f0243fda108aab085cdecf6330f80.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3016 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:1688 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\NEAS.db7f0243fda108aab085cdecf6330f80.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:2992 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:2220
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD5b8e5031ea545c52885f5e92f753dfa29
SHA1caa26c58c4c50e0d1227a7d06b44171e4727c49f
SHA256a2feeca638d07f490ab9a6808d334259ac823b8dc7d1d6a0408ce977c790bef2
SHA5120d2e1e0b87a73f95f40d66a83200ea82b2d34f28d3b27aac3bb89a1edf323cfe6b681ce7f21b440880e07706d76fe90f6c8c3bda14b0c82837dee384a89713c5
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Filesize
190KB
MD5aedd753f4180d118d4fb1ead0b172e97
SHA1e323b6e344f514bdc68f72ed1f7df85fd3f40f5b
SHA256f7df228778edcf5712d3391a25e51f3547ba2db1ba61ea58f77c38a6e6b1afff
SHA512fc572d2e1c2f6a9639ae09d59eea202b645677b0d6c59d7fc59c892010a07fb4e044d039db2a7e4184b3930f2a86adf7bc0eea5b71501215fd5685f3075753af
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Filesize
190KB
MD5aedd753f4180d118d4fb1ead0b172e97
SHA1e323b6e344f514bdc68f72ed1f7df85fd3f40f5b
SHA256f7df228778edcf5712d3391a25e51f3547ba2db1ba61ea58f77c38a6e6b1afff
SHA512fc572d2e1c2f6a9639ae09d59eea202b645677b0d6c59d7fc59c892010a07fb4e044d039db2a7e4184b3930f2a86adf7bc0eea5b71501215fd5685f3075753af