Analysis
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max time kernel
140s -
max time network
142s -
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 22:31
Behavioral task
behavioral1
Sample
319a2b33c352fe6f91b6ab0feaac1c0b765dfce5b5c0dbc845f64c0c0e6cc0c0.exe
Resource
win7-20241010-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/1080-10-0x0000000000400000-0x000000000041E000-memory.dmp family_sakula behavioral2/memory/2884-12-0x0000000000400000-0x000000000041E000-memory.dmp family_sakula behavioral2/memory/1080-17-0x0000000000400000-0x000000000041E000-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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation 319a2b33c352fe6f91b6ab0feaac1c0b765dfce5b5c0dbc845f64c0c0e6cc0c0.exe -
Executes dropped EXE 1 IoCs
pid Process 2884 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/1080-0-0x0000000000400000-0x000000000041E000-memory.dmp upx behavioral2/files/0x000b000000023b78-3.dat upx behavioral2/memory/2884-5-0x0000000000400000-0x000000000041E000-memory.dmp upx behavioral2/memory/1080-10-0x0000000000400000-0x000000000041E000-memory.dmp upx behavioral2/memory/2884-12-0x0000000000400000-0x000000000041E000-memory.dmp upx behavioral2/memory/1080-17-0x0000000000400000-0x000000000041E000-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 319a2b33c352fe6f91b6ab0feaac1c0b765dfce5b5c0dbc845f64c0c0e6cc0c0.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 4476 cmd.exe 4440 PING.EXE -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 4440 PING.EXE -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 1080 319a2b33c352fe6f91b6ab0feaac1c0b765dfce5b5c0dbc845f64c0c0e6cc0c0.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 1080 wrote to memory of 2884 1080 319a2b33c352fe6f91b6ab0feaac1c0b765dfce5b5c0dbc845f64c0c0e6cc0c0.exe 82 PID 1080 wrote to memory of 2884 1080 319a2b33c352fe6f91b6ab0feaac1c0b765dfce5b5c0dbc845f64c0c0e6cc0c0.exe 82 PID 1080 wrote to memory of 2884 1080 319a2b33c352fe6f91b6ab0feaac1c0b765dfce5b5c0dbc845f64c0c0e6cc0c0.exe 82 PID 1080 wrote to memory of 4476 1080 319a2b33c352fe6f91b6ab0feaac1c0b765dfce5b5c0dbc845f64c0c0e6cc0c0.exe 91 PID 1080 wrote to memory of 4476 1080 319a2b33c352fe6f91b6ab0feaac1c0b765dfce5b5c0dbc845f64c0c0e6cc0c0.exe 91 PID 1080 wrote to memory of 4476 1080 319a2b33c352fe6f91b6ab0feaac1c0b765dfce5b5c0dbc845f64c0c0e6cc0c0.exe 91 PID 4476 wrote to memory of 4440 4476 cmd.exe 93 PID 4476 wrote to memory of 4440 4476 cmd.exe 93 PID 4476 wrote to memory of 4440 4476 cmd.exe 93
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:1080 -
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:2884
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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:4476 -
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:4440
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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
MD54ce250fcaf2885e405b8e04fadc9d253
SHA17e8188790720a745e18555bffefebbe09341d382
SHA256612bf6897379aa9d545d92cbd38dce4e542719107d9ba1f580d8f438739f66b1
SHA512c98e106d5de781c36375dc447eee28cddb2a2978933ebc4e3262add34612a71639ab6fee997b980f88eed4d465064a99f18294b8cd818c1c17bb6263d5c3174b