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
11-01-2025 06:02
Behavioral task
behavioral1
Sample
026c1857a08a0e34b8e1c2e3707050870bf018f04dc4213708fed97189a8977b.exe
Resource
win7-20240903-en
General
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Target
026c1857a08a0e34b8e1c2e3707050870bf018f04dc4213708fed97189a8977b.exe
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Size
63KB
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MD5
8b54a6bfa65db0a2df716b1e3406776a
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SHA1
8730d5d491dde7dcf996c4a77d3153f43674b777
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SHA256
026c1857a08a0e34b8e1c2e3707050870bf018f04dc4213708fed97189a8977b
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SHA512
a50b224f0d31727fd2250aef4f658ad7a6705589a9ddf29356968a51dd266245aabe7ab5add523e60fe83a98d77617226392b95ff37dbe64dbd723ea58185460
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SSDEEP
1536:zoxBP0D61Oj3+5FdOa52C8pdo95j6hZ2MzNDCkrl:0PPUj3+5FMIn8To94wa7l
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/4240-9-0x0000000000400000-0x0000000000424000-memory.dmp family_sakula behavioral2/memory/5084-11-0x0000000000400000-0x0000000000424000-memory.dmp family_sakula behavioral2/memory/4240-16-0x0000000000400000-0x0000000000424000-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-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation 026c1857a08a0e34b8e1c2e3707050870bf018f04dc4213708fed97189a8977b.exe -
Executes dropped EXE 1 IoCs
pid Process 5084 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" 026c1857a08a0e34b8e1c2e3707050870bf018f04dc4213708fed97189a8977b.exe -
resource yara_rule behavioral2/memory/4240-0-0x0000000000400000-0x0000000000424000-memory.dmp upx behavioral2/files/0x000c000000023b84-3.dat upx behavioral2/memory/4240-9-0x0000000000400000-0x0000000000424000-memory.dmp upx behavioral2/memory/5084-11-0x0000000000400000-0x0000000000424000-memory.dmp upx behavioral2/memory/4240-16-0x0000000000400000-0x0000000000424000-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 026c1857a08a0e34b8e1c2e3707050870bf018f04dc4213708fed97189a8977b.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 4180 cmd.exe 388 PING.EXE -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 388 PING.EXE -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 4240 026c1857a08a0e34b8e1c2e3707050870bf018f04dc4213708fed97189a8977b.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 4240 wrote to memory of 5084 4240 026c1857a08a0e34b8e1c2e3707050870bf018f04dc4213708fed97189a8977b.exe 83 PID 4240 wrote to memory of 5084 4240 026c1857a08a0e34b8e1c2e3707050870bf018f04dc4213708fed97189a8977b.exe 83 PID 4240 wrote to memory of 5084 4240 026c1857a08a0e34b8e1c2e3707050870bf018f04dc4213708fed97189a8977b.exe 83 PID 4240 wrote to memory of 4180 4240 026c1857a08a0e34b8e1c2e3707050870bf018f04dc4213708fed97189a8977b.exe 99 PID 4240 wrote to memory of 4180 4240 026c1857a08a0e34b8e1c2e3707050870bf018f04dc4213708fed97189a8977b.exe 99 PID 4240 wrote to memory of 4180 4240 026c1857a08a0e34b8e1c2e3707050870bf018f04dc4213708fed97189a8977b.exe 99 PID 4180 wrote to memory of 388 4180 cmd.exe 101 PID 4180 wrote to memory of 388 4180 cmd.exe 101 PID 4180 wrote to memory of 388 4180 cmd.exe 101
Processes
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C:\Users\Admin\AppData\Local\Temp\026c1857a08a0e34b8e1c2e3707050870bf018f04dc4213708fed97189a8977b.exe"C:\Users\Admin\AppData\Local\Temp\026c1857a08a0e34b8e1c2e3707050870bf018f04dc4213708fed97189a8977b.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:4240 -
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:5084
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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\026c1857a08a0e34b8e1c2e3707050870bf018f04dc4213708fed97189a8977b.exe"2⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:4180 -
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:388
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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
MD54a387f4cefb028bd1adbb59912fafa01
SHA11e549d245c7cdd4a7e7585e2463fe7a61aebbbce
SHA2565f31ce52d240ae7406ff29ee5e8b1ace8645a0d3ad5e6168f014e741bc01809f
SHA512183f7642ade3680939a19ed672c2bf36c2b65e8e96cab16d60ee6c86988f7027a667447cae1bc616ce2b355f2154454ad0dd422be7f416d00e6bf20ec055f436