Analysis
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max time kernel
111s -
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
07-01-2025 06:36
Behavioral task
behavioral1
Sample
a1609e947d36e448ee4afe990b6660117b6bedd04c01ef5a0b07f69aa771ea19.exe
Resource
win7-20240729-en
General
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Target
a1609e947d36e448ee4afe990b6660117b6bedd04c01ef5a0b07f69aa771ea19.exe
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Size
63KB
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MD5
2f462d12529162d9df14d31c04dfac65
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SHA1
f1c9da3f4f02b344cb7ae2a694296e7cadf3bd03
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SHA256
a1609e947d36e448ee4afe990b6660117b6bedd04c01ef5a0b07f69aa771ea19
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SHA512
20166665072612bc1fb7ba486f0a2c51de11c04ce5c7c56f4ff2857a74cb376ecbd3fee4fc47534bb1338dc351e5d83c5a688f6d7a4e0a45640574b83ccd017b
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SSDEEP
1536:zoxBP0D61Oj3+5FdOa52C8pdo95j6hZ2MzNDCkrd:0PPUj3+5FMIn8To94wa7d
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/4940-9-0x0000000000400000-0x0000000000424000-memory.dmp family_sakula behavioral2/memory/4088-11-0x0000000000400000-0x0000000000424000-memory.dmp family_sakula behavioral2/memory/4940-16-0x0000000000400000-0x0000000000424000-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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation a1609e947d36e448ee4afe990b6660117b6bedd04c01ef5a0b07f69aa771ea19.exe -
Executes dropped EXE 1 IoCs
pid Process 4088 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" a1609e947d36e448ee4afe990b6660117b6bedd04c01ef5a0b07f69aa771ea19.exe -
resource yara_rule behavioral2/memory/4940-0-0x0000000000400000-0x0000000000424000-memory.dmp upx behavioral2/files/0x000c000000023baa-3.dat upx behavioral2/memory/4940-9-0x0000000000400000-0x0000000000424000-memory.dmp upx behavioral2/memory/4088-11-0x0000000000400000-0x0000000000424000-memory.dmp upx behavioral2/memory/4940-16-0x0000000000400000-0x0000000000424000-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 a1609e947d36e448ee4afe990b6660117b6bedd04c01ef5a0b07f69aa771ea19.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 3688 cmd.exe 916 PING.EXE -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 916 PING.EXE -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 4940 a1609e947d36e448ee4afe990b6660117b6bedd04c01ef5a0b07f69aa771ea19.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 4940 wrote to memory of 4088 4940 a1609e947d36e448ee4afe990b6660117b6bedd04c01ef5a0b07f69aa771ea19.exe 84 PID 4940 wrote to memory of 4088 4940 a1609e947d36e448ee4afe990b6660117b6bedd04c01ef5a0b07f69aa771ea19.exe 84 PID 4940 wrote to memory of 4088 4940 a1609e947d36e448ee4afe990b6660117b6bedd04c01ef5a0b07f69aa771ea19.exe 84 PID 4940 wrote to memory of 3688 4940 a1609e947d36e448ee4afe990b6660117b6bedd04c01ef5a0b07f69aa771ea19.exe 93 PID 4940 wrote to memory of 3688 4940 a1609e947d36e448ee4afe990b6660117b6bedd04c01ef5a0b07f69aa771ea19.exe 93 PID 4940 wrote to memory of 3688 4940 a1609e947d36e448ee4afe990b6660117b6bedd04c01ef5a0b07f69aa771ea19.exe 93 PID 3688 wrote to memory of 916 3688 cmd.exe 95 PID 3688 wrote to memory of 916 3688 cmd.exe 95 PID 3688 wrote to memory of 916 3688 cmd.exe 95
Processes
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C:\Users\Admin\AppData\Local\Temp\a1609e947d36e448ee4afe990b6660117b6bedd04c01ef5a0b07f69aa771ea19.exe"C:\Users\Admin\AppData\Local\Temp\a1609e947d36e448ee4afe990b6660117b6bedd04c01ef5a0b07f69aa771ea19.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:4940 -
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:4088
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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\a1609e947d36e448ee4afe990b6660117b6bedd04c01ef5a0b07f69aa771ea19.exe"2⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:3688 -
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:916
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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
MD5daf6900c5d5f7ea573a4f21387ed8b2e
SHA18ce3178a123599b5526d3bccb430f6ed1ba847a8
SHA25658d7ea6141aaf2214474c1e8c323139365ae143b7a98d7ada51dc5fe10e9d61f
SHA512dfafc20f4d08c43b5342351e2bf4d1b3b80f670e2d2300593257ccb4015ee424b8805342a80b1af4b5376a17de740f3531858f7212eac385a6f0284b88601904