Analysis
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max time kernel
110s -
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 05:46
Behavioral task
behavioral1
Sample
8405d21e1c93425521cfb286c44936ab8351dcc1e726b7792398323aa0448189N.exe
Resource
win7-20240903-en
General
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Target
8405d21e1c93425521cfb286c44936ab8351dcc1e726b7792398323aa0448189N.exe
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Size
41KB
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MD5
680d53d3d912fd9912d1cccf8d4c51c0
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SHA1
1dd7ff3eb9d538206a36928a6d17f8bbeabb70a0
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SHA256
8405d21e1c93425521cfb286c44936ab8351dcc1e726b7792398323aa0448189
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SHA512
d9acac1db90409995383994fe44346949aeb60ce09147401c7aa42d8e246cc744247dfe43ebb6e6008242247197f78bf8c20eabf43df3dd5f1663a3b07554459
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SSDEEP
768:9zpVJi5kPTIukEYpcHOZ6rFSBZxkXNVkSXtfgn3JkcBwQoabJF7nbcuyD7Ur:N/JKiMLE9bOq5fgn6Ozoaz7nouy8r
Malware Config
Extracted
sakula
www.polarroute.com
Signatures
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Sakula family
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Sakula payload 3 IoCs
resource yara_rule behavioral2/memory/3260-10-0x0000000000400000-0x000000000041E000-memory.dmp family_sakula behavioral2/memory/2572-12-0x0000000000400000-0x000000000041E000-memory.dmp family_sakula behavioral2/memory/3260-17-0x0000000000400000-0x000000000041E000-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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation 8405d21e1c93425521cfb286c44936ab8351dcc1e726b7792398323aa0448189N.exe -
Executes dropped EXE 1 IoCs
pid Process 2572 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" 8405d21e1c93425521cfb286c44936ab8351dcc1e726b7792398323aa0448189N.exe -
resource yara_rule behavioral2/memory/3260-0-0x0000000000400000-0x000000000041E000-memory.dmp upx behavioral2/files/0x0008000000023caa-3.dat upx behavioral2/memory/2572-4-0x0000000000400000-0x000000000041E000-memory.dmp upx behavioral2/memory/3260-10-0x0000000000400000-0x000000000041E000-memory.dmp upx behavioral2/memory/2572-12-0x0000000000400000-0x000000000041E000-memory.dmp upx behavioral2/memory/3260-17-0x0000000000400000-0x000000000041E000-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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 8405d21e1c93425521cfb286c44936ab8351dcc1e726b7792398323aa0448189N.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.
pid Process 1592 cmd.exe 1700 PING.EXE -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 1700 PING.EXE -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 3260 8405d21e1c93425521cfb286c44936ab8351dcc1e726b7792398323aa0448189N.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 3260 wrote to memory of 2572 3260 8405d21e1c93425521cfb286c44936ab8351dcc1e726b7792398323aa0448189N.exe 85 PID 3260 wrote to memory of 2572 3260 8405d21e1c93425521cfb286c44936ab8351dcc1e726b7792398323aa0448189N.exe 85 PID 3260 wrote to memory of 2572 3260 8405d21e1c93425521cfb286c44936ab8351dcc1e726b7792398323aa0448189N.exe 85 PID 3260 wrote to memory of 1592 3260 8405d21e1c93425521cfb286c44936ab8351dcc1e726b7792398323aa0448189N.exe 100 PID 3260 wrote to memory of 1592 3260 8405d21e1c93425521cfb286c44936ab8351dcc1e726b7792398323aa0448189N.exe 100 PID 3260 wrote to memory of 1592 3260 8405d21e1c93425521cfb286c44936ab8351dcc1e726b7792398323aa0448189N.exe 100 PID 1592 wrote to memory of 1700 1592 cmd.exe 102 PID 1592 wrote to memory of 1700 1592 cmd.exe 102 PID 1592 wrote to memory of 1700 1592 cmd.exe 102
Processes
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C:\Users\Admin\AppData\Local\Temp\8405d21e1c93425521cfb286c44936ab8351dcc1e726b7792398323aa0448189N.exe"C:\Users\Admin\AppData\Local\Temp\8405d21e1c93425521cfb286c44936ab8351dcc1e726b7792398323aa0448189N.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:3260 -
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:2572
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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\8405d21e1c93425521cfb286c44936ab8351dcc1e726b7792398323aa0448189N.exe"2⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:1592 -
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:1700
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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
MD533ed85162fa339b685beeb11be28432a
SHA1a55736b5bef4ae8c0e8eca86e1c369dc0603f746
SHA256ba23064a8fcbc3c5ad0270534c605ef845191a715706859309a5d85d055fde0d
SHA512811063d9171700cffe5f2de5a09b859fdf1919cef2cca0f5374adbfd94ed0e9a91e34d84a0d6e8833e8293b49b4986150e94e4ac1971912f0944bc8969ee126c