Analysis
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max time kernel
96s -
max time network
111s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
16-01-2025 12:38
Behavioral task
behavioral1
Sample
4c54fea3fb3def36d3fe3a66032b4424418fbfcf0bc15276f3491f373c9d6d1f.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
4c54fea3fb3def36d3fe3a66032b4424418fbfcf0bc15276f3491f373c9d6d1f.exe
Resource
win10v2004-20241007-en
General
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Target
4c54fea3fb3def36d3fe3a66032b4424418fbfcf0bc15276f3491f373c9d6d1f.exe
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Size
488KB
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MD5
fb92bccc8be95716566118bee6bff98b
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SHA1
b79ee27317431ef6ba81beab0ac5dcfb8f9a2062
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SHA256
4c54fea3fb3def36d3fe3a66032b4424418fbfcf0bc15276f3491f373c9d6d1f
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SHA512
752bb3e0cd26eb533fff71969d76ce5a39b872b88b6b365a25129e5018b2a24aad0208edae55894c86afabe7ea20569eb9138008c735d989cb2737f5264e5d89
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SSDEEP
6144:M29qRfVSndj30B3wBxE1+ijiBKk3etdgI2MyzNORQtOfl1qNVo7R+S+N/TU7kn56:0RfQn+w8EYiBlMkn5f9J105ko8T6csVt
Malware Config
Extracted
sakula
www.polarroute.com
Signatures
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Sakula family
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Sakula payload 5 IoCs
resource yara_rule behavioral2/memory/4536-0-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula behavioral2/files/0x0008000000023cab-3.dat family_sakula behavioral2/memory/4124-4-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula behavioral2/memory/4536-10-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula behavioral2/memory/4124-19-0x0000000000400000-0x0000000000420000-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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation 4c54fea3fb3def36d3fe3a66032b4424418fbfcf0bc15276f3491f373c9d6d1f.exe -
Executes dropped EXE 1 IoCs
pid Process 4124 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" 4c54fea3fb3def36d3fe3a66032b4424418fbfcf0bc15276f3491f373c9d6d1f.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PING.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 4c54fea3fb3def36d3fe3a66032b4424418fbfcf0bc15276f3491f373c9d6d1f.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language MediaCenter.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 2864 cmd.exe 4184 PING.EXE -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 4184 PING.EXE -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 4536 4c54fea3fb3def36d3fe3a66032b4424418fbfcf0bc15276f3491f373c9d6d1f.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 4536 wrote to memory of 4124 4536 4c54fea3fb3def36d3fe3a66032b4424418fbfcf0bc15276f3491f373c9d6d1f.exe 83 PID 4536 wrote to memory of 4124 4536 4c54fea3fb3def36d3fe3a66032b4424418fbfcf0bc15276f3491f373c9d6d1f.exe 83 PID 4536 wrote to memory of 4124 4536 4c54fea3fb3def36d3fe3a66032b4424418fbfcf0bc15276f3491f373c9d6d1f.exe 83 PID 4536 wrote to memory of 2864 4536 4c54fea3fb3def36d3fe3a66032b4424418fbfcf0bc15276f3491f373c9d6d1f.exe 99 PID 4536 wrote to memory of 2864 4536 4c54fea3fb3def36d3fe3a66032b4424418fbfcf0bc15276f3491f373c9d6d1f.exe 99 PID 4536 wrote to memory of 2864 4536 4c54fea3fb3def36d3fe3a66032b4424418fbfcf0bc15276f3491f373c9d6d1f.exe 99 PID 2864 wrote to memory of 4184 2864 cmd.exe 101 PID 2864 wrote to memory of 4184 2864 cmd.exe 101 PID 2864 wrote to memory of 4184 2864 cmd.exe 101
Processes
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C:\Users\Admin\AppData\Local\Temp\4c54fea3fb3def36d3fe3a66032b4424418fbfcf0bc15276f3491f373c9d6d1f.exe"C:\Users\Admin\AppData\Local\Temp\4c54fea3fb3def36d3fe3a66032b4424418fbfcf0bc15276f3491f373c9d6d1f.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4536 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4124
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\4c54fea3fb3def36d3fe3a66032b4424418fbfcf0bc15276f3491f373c9d6d1f.exe"2⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:2864 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:4184
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Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Replay Monitor
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Downloads
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Filesize
488KB
MD5deb27fca400f1495019b471296c44909
SHA14ad9bff24f3275cdd71633f428376f22999d0b49
SHA256fad15bd66957d91101c44ffd042428cb802a9984c6baaa39064bf5753a5f59d1
SHA5127df45af60005497b1c8284631ea6cecb9f846177cdcd1889583c1ede3200f5fbce9978896f34dcbcc251c8aa5ab559ff4084d34dbaf80239a076ea174ab4a1dc