Analysis
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max time kernel
140s -
max time network
143s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
02-12-2024 23:06
Behavioral task
behavioral1
Sample
74af3362c54de93637da74b127074ed66ad744d4a38e1924f34867b3e5eabf47.exe
Resource
win7-20240903-en
General
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Target
74af3362c54de93637da74b127074ed66ad744d4a38e1924f34867b3e5eabf47.exe
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Size
41KB
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MD5
76de094cd441c636cc3467e242d7a29a
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SHA1
ded3cbfd2c986813880770f489f964564b0a089d
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SHA256
74af3362c54de93637da74b127074ed66ad744d4a38e1924f34867b3e5eabf47
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SHA512
c5599ad14c9f731c42af912ed41f860c4a3d047b5c61195ad0bd08613fbd451befc6b5e12746882de8f8719e7e6cf53ae64672faa4a8aef4d6a745f330716973
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SSDEEP
768:9zpVJi5kPTIukEYpcHOZ6rFSBZxkXNVkSXtfgn3JkcBwQoabJF7nbcuyD7Um:N/JKiMLE9bOq5fgn6Ozoaz7nouy8m
Malware Config
Extracted
sakula
www.polarroute.com
Signatures
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Sakula family
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Sakula payload 4 IoCs
Processes:
resource yara_rule behavioral2/memory/4864-6-0x0000000000400000-0x000000000041E000-memory.dmp family_sakula behavioral2/memory/336-8-0x0000000000400000-0x000000000041E000-memory.dmp family_sakula behavioral2/memory/4864-13-0x0000000000400000-0x000000000041E000-memory.dmp family_sakula behavioral2/memory/336-18-0x0000000000400000-0x000000000041E000-memory.dmp family_sakula -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
74af3362c54de93637da74b127074ed66ad744d4a38e1924f34867b3e5eabf47.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation 74af3362c54de93637da74b127074ed66ad744d4a38e1924f34867b3e5eabf47.exe -
Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid Process 336 MediaCenter.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
74af3362c54de93637da74b127074ed66ad744d4a38e1924f34867b3e5eabf47.exedescription ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 74af3362c54de93637da74b127074ed66ad744d4a38e1924f34867b3e5eabf47.exe -
Processes:
resource yara_rule behavioral2/memory/4864-0-0x0000000000400000-0x000000000041E000-memory.dmp upx behavioral2/files/0x000b000000023b88-3.dat upx behavioral2/memory/336-4-0x0000000000400000-0x000000000041E000-memory.dmp upx behavioral2/memory/4864-6-0x0000000000400000-0x000000000041E000-memory.dmp upx behavioral2/memory/336-8-0x0000000000400000-0x000000000041E000-memory.dmp upx behavioral2/memory/4864-13-0x0000000000400000-0x000000000041E000-memory.dmp upx behavioral2/memory/336-18-0x0000000000400000-0x000000000041E000-memory.dmp upx -
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:
74af3362c54de93637da74b127074ed66ad744d4a38e1924f34867b3e5eabf47.exeMediaCenter.execmd.exePING.EXEdescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 74af3362c54de93637da74b127074ed66ad744d4a38e1924f34867b3e5eabf47.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language MediaCenter.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PING.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 3120 cmd.exe 4508 PING.EXE -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
74af3362c54de93637da74b127074ed66ad744d4a38e1924f34867b3e5eabf47.exedescription pid Process Token: SeIncBasePriorityPrivilege 4864 74af3362c54de93637da74b127074ed66ad744d4a38e1924f34867b3e5eabf47.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
74af3362c54de93637da74b127074ed66ad744d4a38e1924f34867b3e5eabf47.execmd.exedescription pid Process procid_target PID 4864 wrote to memory of 336 4864 74af3362c54de93637da74b127074ed66ad744d4a38e1924f34867b3e5eabf47.exe 83 PID 4864 wrote to memory of 336 4864 74af3362c54de93637da74b127074ed66ad744d4a38e1924f34867b3e5eabf47.exe 83 PID 4864 wrote to memory of 336 4864 74af3362c54de93637da74b127074ed66ad744d4a38e1924f34867b3e5eabf47.exe 83 PID 4864 wrote to memory of 3120 4864 74af3362c54de93637da74b127074ed66ad744d4a38e1924f34867b3e5eabf47.exe 100 PID 4864 wrote to memory of 3120 4864 74af3362c54de93637da74b127074ed66ad744d4a38e1924f34867b3e5eabf47.exe 100 PID 4864 wrote to memory of 3120 4864 74af3362c54de93637da74b127074ed66ad744d4a38e1924f34867b3e5eabf47.exe 100 PID 3120 wrote to memory of 4508 3120 cmd.exe 102 PID 3120 wrote to memory of 4508 3120 cmd.exe 102 PID 3120 wrote to memory of 4508 3120 cmd.exe 102
Processes
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C:\Users\Admin\AppData\Local\Temp\74af3362c54de93637da74b127074ed66ad744d4a38e1924f34867b3e5eabf47.exe"C:\Users\Admin\AppData\Local\Temp\74af3362c54de93637da74b127074ed66ad744d4a38e1924f34867b3e5eabf47.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:4864 -
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:336
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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\74af3362c54de93637da74b127074ed66ad744d4a38e1924f34867b3e5eabf47.exe"2⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:3120 -
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:4508
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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
41KB
MD5008cd06c714a99035205eaff7b6d3cac
SHA13a841d17419caecc586f0890cc337922b0c4c474
SHA256e16e7d8fa328bb0878e9dd193e3e6d58837089c4f94d3f8429a1d6dc9a548260
SHA5128197809c97d370d54c2f9d404d08750d66c63996e0325c83709cb9b757cfdc959d2b8e08400e948ebd64478828bc61bc9ea772c5111dc878c39474991220a4e9