Analysis
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max time kernel
108s -
max time network
112s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
03-11-2024 21:17
Behavioral task
behavioral1
Sample
7a329ca71bf6e1b67e4a525429d5176b3dbc6b1709f02e1f643220c036017cbfN.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
7a329ca71bf6e1b67e4a525429d5176b3dbc6b1709f02e1f643220c036017cbfN.exe
Resource
win10v2004-20241007-en
General
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Target
7a329ca71bf6e1b67e4a525429d5176b3dbc6b1709f02e1f643220c036017cbfN.exe
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Size
89KB
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MD5
d428c6faf1aa8e4948d52da342014e80
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SHA1
c6a3780dfb87552b655ff0ad2d214576780d71ed
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SHA256
7a329ca71bf6e1b67e4a525429d5176b3dbc6b1709f02e1f643220c036017cbf
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SHA512
53987c1438437f48ba426cf93a50659e9f009fda3fbbbc151084b3e222689cb9bfd449c7a59bca6433f91611967fe69b13a779d21ab61b178f363a64574e6762
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SSDEEP
1536:PQFl29mEkE0L1rDEKrxZKF2zf9g2Pl7W/MwbxMX+ees52z30rtrF:w29DkEGRQixVSjLaes5G30Bp
Malware Config
Extracted
sakula
www.polarroute.com
Signatures
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Sakula family
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Sakula payload 1 IoCs
Processes:
resource yara_rule C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe family_sakula -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
7a329ca71bf6e1b67e4a525429d5176b3dbc6b1709f02e1f643220c036017cbfN.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation 7a329ca71bf6e1b67e4a525429d5176b3dbc6b1709f02e1f643220c036017cbfN.exe -
Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 4120 MediaCenter.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
7a329ca71bf6e1b67e4a525429d5176b3dbc6b1709f02e1f643220c036017cbfN.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 7a329ca71bf6e1b67e4a525429d5176b3dbc6b1709f02e1f643220c036017cbfN.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.
Processes:
PING.EXE7a329ca71bf6e1b67e4a525429d5176b3dbc6b1709f02e1f643220c036017cbfN.exeMediaCenter.execmd.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PING.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 7a329ca71bf6e1b67e4a525429d5176b3dbc6b1709f02e1f643220c036017cbfN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language MediaCenter.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
Processes:
cmd.exePING.EXEpid process 1740 cmd.exe 3820 PING.EXE -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
7a329ca71bf6e1b67e4a525429d5176b3dbc6b1709f02e1f643220c036017cbfN.exedescription pid process Token: SeIncBasePriorityPrivilege 2976 7a329ca71bf6e1b67e4a525429d5176b3dbc6b1709f02e1f643220c036017cbfN.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
7a329ca71bf6e1b67e4a525429d5176b3dbc6b1709f02e1f643220c036017cbfN.execmd.exedescription pid process target process PID 2976 wrote to memory of 4120 2976 7a329ca71bf6e1b67e4a525429d5176b3dbc6b1709f02e1f643220c036017cbfN.exe MediaCenter.exe PID 2976 wrote to memory of 4120 2976 7a329ca71bf6e1b67e4a525429d5176b3dbc6b1709f02e1f643220c036017cbfN.exe MediaCenter.exe PID 2976 wrote to memory of 4120 2976 7a329ca71bf6e1b67e4a525429d5176b3dbc6b1709f02e1f643220c036017cbfN.exe MediaCenter.exe PID 2976 wrote to memory of 1740 2976 7a329ca71bf6e1b67e4a525429d5176b3dbc6b1709f02e1f643220c036017cbfN.exe cmd.exe PID 2976 wrote to memory of 1740 2976 7a329ca71bf6e1b67e4a525429d5176b3dbc6b1709f02e1f643220c036017cbfN.exe cmd.exe PID 2976 wrote to memory of 1740 2976 7a329ca71bf6e1b67e4a525429d5176b3dbc6b1709f02e1f643220c036017cbfN.exe cmd.exe PID 1740 wrote to memory of 3820 1740 cmd.exe PING.EXE PID 1740 wrote to memory of 3820 1740 cmd.exe PING.EXE PID 1740 wrote to memory of 3820 1740 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\7a329ca71bf6e1b67e4a525429d5176b3dbc6b1709f02e1f643220c036017cbfN.exe"C:\Users\Admin\AppData\Local\Temp\7a329ca71bf6e1b67e4a525429d5176b3dbc6b1709f02e1f643220c036017cbfN.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:2976 -
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:4120
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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\7a329ca71bf6e1b67e4a525429d5176b3dbc6b1709f02e1f643220c036017cbfN.exe"2⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:1740 -
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:3820
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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
89KB
MD5587be15f25342286b79b77ded04d35d8
SHA13ce031b31ceff80f9c088be7911a918921b0b91b
SHA25670aa0bf0ebf1b18c428f0da6f3dc9193566d50ee7c952428e3f845157cdc0301
SHA512d1a9c03efab36ffae3933b45e7d3fbefca8c74ebe0747234144f3efa1e1856bed8f7efc1f34b5a167f3744b0f29106c75427f45038a24fd2bee8eefcc22b8c55