Analysis
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max time kernel
140s -
max time network
144s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
13-01-2025 22:35
Behavioral task
behavioral1
Sample
319a2b33c352fe6f91b6ab0feaac1c0b765dfce5b5c0dbc845f64c0c0e6cc0c0.exe
Resource
win7-20240903-en
General
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Target
319a2b33c352fe6f91b6ab0feaac1c0b765dfce5b5c0dbc845f64c0c0e6cc0c0.exe
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Size
41KB
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MD5
50de155ac587f1c288849ceb0e3e6b66
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SHA1
d2162b11bda6e812410309592148d500eba15ecf
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SHA256
319a2b33c352fe6f91b6ab0feaac1c0b765dfce5b5c0dbc845f64c0c0e6cc0c0
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SHA512
f844a548e584ca4e24b510ee811900353d9cdc03f1d20d0b8ec917c854974d25b845bf2b0945b8ec56e3dbbdf82cd1f3f26f416112d2dffadb5c31574d5b3e07
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SSDEEP
768:9zpVJi5kPTIukEYpcHOZ6rFSBZxkXNVkSXtfgn3JkcBwQoabJF7nbcuyD7UQ:N/JKiMLE9bOq5fgn6Ozoaz7nouy8Q
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/2420-10-0x0000000000400000-0x000000000041E000-memory.dmp family_sakula behavioral2/memory/1752-12-0x0000000000400000-0x000000000041E000-memory.dmp family_sakula behavioral2/memory/2420-17-0x0000000000400000-0x000000000041E000-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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation 319a2b33c352fe6f91b6ab0feaac1c0b765dfce5b5c0dbc845f64c0c0e6cc0c0.exe -
Executes dropped EXE 1 IoCs
pid Process 1752 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" 319a2b33c352fe6f91b6ab0feaac1c0b765dfce5b5c0dbc845f64c0c0e6cc0c0.exe -
resource yara_rule behavioral2/memory/2420-0-0x0000000000400000-0x000000000041E000-memory.dmp upx behavioral2/files/0x0032000000023b77-3.dat upx behavioral2/memory/1752-4-0x0000000000400000-0x000000000041E000-memory.dmp upx behavioral2/memory/2420-10-0x0000000000400000-0x000000000041E000-memory.dmp upx behavioral2/memory/1752-12-0x0000000000400000-0x000000000041E000-memory.dmp upx behavioral2/memory/2420-17-0x0000000000400000-0x000000000041E000-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 PING.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 319a2b33c352fe6f91b6ab0feaac1c0b765dfce5b5c0dbc845f64c0c0e6cc0c0.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.
pid Process 3636 cmd.exe 4520 PING.EXE -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 4520 PING.EXE -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 2420 319a2b33c352fe6f91b6ab0feaac1c0b765dfce5b5c0dbc845f64c0c0e6cc0c0.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 2420 wrote to memory of 1752 2420 319a2b33c352fe6f91b6ab0feaac1c0b765dfce5b5c0dbc845f64c0c0e6cc0c0.exe 83 PID 2420 wrote to memory of 1752 2420 319a2b33c352fe6f91b6ab0feaac1c0b765dfce5b5c0dbc845f64c0c0e6cc0c0.exe 83 PID 2420 wrote to memory of 1752 2420 319a2b33c352fe6f91b6ab0feaac1c0b765dfce5b5c0dbc845f64c0c0e6cc0c0.exe 83 PID 2420 wrote to memory of 3636 2420 319a2b33c352fe6f91b6ab0feaac1c0b765dfce5b5c0dbc845f64c0c0e6cc0c0.exe 100 PID 2420 wrote to memory of 3636 2420 319a2b33c352fe6f91b6ab0feaac1c0b765dfce5b5c0dbc845f64c0c0e6cc0c0.exe 100 PID 2420 wrote to memory of 3636 2420 319a2b33c352fe6f91b6ab0feaac1c0b765dfce5b5c0dbc845f64c0c0e6cc0c0.exe 100 PID 3636 wrote to memory of 4520 3636 cmd.exe 102 PID 3636 wrote to memory of 4520 3636 cmd.exe 102 PID 3636 wrote to memory of 4520 3636 cmd.exe 102
Processes
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C:\Users\Admin\AppData\Local\Temp\319a2b33c352fe6f91b6ab0feaac1c0b765dfce5b5c0dbc845f64c0c0e6cc0c0.exe"C:\Users\Admin\AppData\Local\Temp\319a2b33c352fe6f91b6ab0feaac1c0b765dfce5b5c0dbc845f64c0c0e6cc0c0.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:2420 -
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:1752
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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\319a2b33c352fe6f91b6ab0feaac1c0b765dfce5b5c0dbc845f64c0c0e6cc0c0.exe"2⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:3636 -
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:4520
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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
MD56d933b13a4c5f025de57ead32ad3c03b
SHA1906b6b7d3c8dcb656b36fc4298889ba886788f55
SHA2563587f7d6fceb8e691abaf2bf34830e155700582d55ca91a7c3328057aae198ad
SHA5123d822eb18c344db404691fccbf67027b68df9dddafc7858e8a8661a990afee06c85377540fe16cc8d1046450091be3dd911022b79137410a7f0b4ec87acb4a17