Analysis
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max time kernel
111s -
max time network
108s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
07-09-2024 08:42
Behavioral task
behavioral1
Sample
f51e2fc29948b0d9b8dea19834f817d0N.exe
Resource
win7-20240903-en
General
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Target
f51e2fc29948b0d9b8dea19834f817d0N.exe
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Size
63KB
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MD5
f51e2fc29948b0d9b8dea19834f817d0
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SHA1
7a3ed6da5841f309380e25fd190585a766c5f492
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SHA256
05e590c54a87adf25cfc93f5db22b06f4c6ba762d661852dac562299a214b716
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SHA512
c9ee9658c70ba2795294c4181a64cf8bf7a55db24d6abfe31277e514fb7c481ec70afd7f9241f569ff3e8c08ec1c0b85e3b086a4e4f8eb910ab64cba8322eebe
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SSDEEP
1536:zoxBP0D61Oj3+5FdOa52C8pdo95j6hZ2MzNDCkrf:0PPUj3+5FMIn8To94wa7f
Malware Config
Extracted
sakula
www.polarroute.com
Signatures
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Sakula payload 4 IoCs
resource yara_rule behavioral2/memory/4764-5-0x0000000000400000-0x0000000000424000-memory.dmp family_sakula behavioral2/memory/1484-7-0x0000000000400000-0x0000000000424000-memory.dmp family_sakula behavioral2/memory/4764-12-0x0000000000400000-0x0000000000424000-memory.dmp family_sakula behavioral2/memory/1484-18-0x0000000000400000-0x0000000000424000-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-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation f51e2fc29948b0d9b8dea19834f817d0N.exe -
Executes dropped EXE 1 IoCs
pid Process 1484 MediaCenter.exe -
resource yara_rule behavioral2/memory/4764-0-0x0000000000400000-0x0000000000424000-memory.dmp upx behavioral2/files/0x00090000000234c9-3.dat upx behavioral2/memory/4764-5-0x0000000000400000-0x0000000000424000-memory.dmp upx behavioral2/memory/1484-7-0x0000000000400000-0x0000000000424000-memory.dmp upx behavioral2/memory/4764-12-0x0000000000400000-0x0000000000424000-memory.dmp upx behavioral2/memory/1484-18-0x0000000000400000-0x0000000000424000-memory.dmp upx -
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" f51e2fc29948b0d9b8dea19834f817d0N.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 MediaCenter.exe 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 f51e2fc29948b0d9b8dea19834f817d0N.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 992 cmd.exe 1392 PING.EXE -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 1392 PING.EXE -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 4764 f51e2fc29948b0d9b8dea19834f817d0N.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 4764 wrote to memory of 1484 4764 f51e2fc29948b0d9b8dea19834f817d0N.exe 83 PID 4764 wrote to memory of 1484 4764 f51e2fc29948b0d9b8dea19834f817d0N.exe 83 PID 4764 wrote to memory of 1484 4764 f51e2fc29948b0d9b8dea19834f817d0N.exe 83 PID 4764 wrote to memory of 992 4764 f51e2fc29948b0d9b8dea19834f817d0N.exe 96 PID 4764 wrote to memory of 992 4764 f51e2fc29948b0d9b8dea19834f817d0N.exe 96 PID 4764 wrote to memory of 992 4764 f51e2fc29948b0d9b8dea19834f817d0N.exe 96 PID 992 wrote to memory of 1392 992 cmd.exe 98 PID 992 wrote to memory of 1392 992 cmd.exe 98 PID 992 wrote to memory of 1392 992 cmd.exe 98
Processes
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C:\Users\Admin\AppData\Local\Temp\f51e2fc29948b0d9b8dea19834f817d0N.exe"C:\Users\Admin\AppData\Local\Temp\f51e2fc29948b0d9b8dea19834f817d0N.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:4764 -
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:1484
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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\f51e2fc29948b0d9b8dea19834f817d0N.exe"2⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:992 -
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:1392
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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
63KB
MD5b04d2d35a565fdd75e1ca2bbf65051a9
SHA182112ca348951e51d4a9b971a1e1690f45e20dee
SHA2568bc139dd1d7d2f2a72319700f967af825372ea78a6bb977e48e5f6dea5a89565
SHA5125664d2044899d6f93d7fc3bdfb4388fea869e4c9dc5139e9023a6471478a1a09d7957c581b5cbc729f48c4fc1b1b06c375ea191a9c9d54d5bf172984ce04987d