Analysis
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max time kernel
95s -
max time network
115s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
16-01-2025 21:25
Behavioral task
behavioral1
Sample
5540be2ef9937735cbcfeac74728faee3eb30bd4f5441df4df3cff8d19dd6b8d.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
5540be2ef9937735cbcfeac74728faee3eb30bd4f5441df4df3cff8d19dd6b8d.exe
Resource
win10v2004-20241007-en
General
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Target
5540be2ef9937735cbcfeac74728faee3eb30bd4f5441df4df3cff8d19dd6b8d.exe
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Size
912KB
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MD5
b4cfa21f7e89d8297393c1a8f4d5419f
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SHA1
260d9b253c7808d81cc2990132fb81adc0aba81a
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SHA256
5540be2ef9937735cbcfeac74728faee3eb30bd4f5441df4df3cff8d19dd6b8d
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SHA512
dcb6b9876597663aeea1a60ef1f9e928ca604a1550069958649dcd2b38e6ce610585e93cc87246dfbb18ab06893f0ba09df06a53841bfed878966ef8ff3b4bdb
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SSDEEP
12288:0RfQn+w8EYiBlMkn5f9J105ko8T6csV5f1bYQog9hVn454E4CiW:g4+wlYBsb3zNs5f1bYInVn454EgW
Malware Config
Extracted
sakula
www.polarroute.com
Signatures
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Sakula family
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Sakula payload 5 IoCs
resource yara_rule behavioral2/memory/3992-0-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula behavioral2/files/0x000a000000023b81-4.dat family_sakula behavioral2/memory/3556-5-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula behavioral2/memory/3992-10-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula behavioral2/memory/3556-19-0x0000000000400000-0x0000000000420000-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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation 5540be2ef9937735cbcfeac74728faee3eb30bd4f5441df4df3cff8d19dd6b8d.exe -
Executes dropped EXE 1 IoCs
pid Process 3556 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" 5540be2ef9937735cbcfeac74728faee3eb30bd4f5441df4df3cff8d19dd6b8d.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 PING.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 5540be2ef9937735cbcfeac74728faee3eb30bd4f5441df4df3cff8d19dd6b8d.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 64 cmd.exe 3660 PING.EXE -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 3660 PING.EXE -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 3992 5540be2ef9937735cbcfeac74728faee3eb30bd4f5441df4df3cff8d19dd6b8d.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 3992 wrote to memory of 3556 3992 5540be2ef9937735cbcfeac74728faee3eb30bd4f5441df4df3cff8d19dd6b8d.exe 82 PID 3992 wrote to memory of 3556 3992 5540be2ef9937735cbcfeac74728faee3eb30bd4f5441df4df3cff8d19dd6b8d.exe 82 PID 3992 wrote to memory of 3556 3992 5540be2ef9937735cbcfeac74728faee3eb30bd4f5441df4df3cff8d19dd6b8d.exe 82 PID 3992 wrote to memory of 64 3992 5540be2ef9937735cbcfeac74728faee3eb30bd4f5441df4df3cff8d19dd6b8d.exe 91 PID 3992 wrote to memory of 64 3992 5540be2ef9937735cbcfeac74728faee3eb30bd4f5441df4df3cff8d19dd6b8d.exe 91 PID 3992 wrote to memory of 64 3992 5540be2ef9937735cbcfeac74728faee3eb30bd4f5441df4df3cff8d19dd6b8d.exe 91 PID 64 wrote to memory of 3660 64 cmd.exe 93 PID 64 wrote to memory of 3660 64 cmd.exe 93 PID 64 wrote to memory of 3660 64 cmd.exe 93
Processes
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C:\Users\Admin\AppData\Local\Temp\5540be2ef9937735cbcfeac74728faee3eb30bd4f5441df4df3cff8d19dd6b8d.exe"C:\Users\Admin\AppData\Local\Temp\5540be2ef9937735cbcfeac74728faee3eb30bd4f5441df4df3cff8d19dd6b8d.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:3992 -
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:3556
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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\5540be2ef9937735cbcfeac74728faee3eb30bd4f5441df4df3cff8d19dd6b8d.exe"2⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:64 -
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:3660
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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
912KB
MD597e09b69db176bda0d69419952c6419f
SHA11f0daef3518ebc1e980e10e972b45aebdb1d193e
SHA256ec813e988771555f6ac2adf188172413a7857cef1147f641cf60196ac79e040a
SHA512c22b7c8639261c76c406a086866ef102d6f7c741c930a0418deb8d2a8fb0ef11a3cdffa00564c2e3178e9a2d821361b94d35e7d82a432d14aa05e005b3b83d9e