Analysis
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max time kernel
103s -
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
17-01-2025 10:28
Behavioral task
behavioral1
Sample
38121d9807f873d6721e99d31c03d78795745d82eb7198b1914bb8ad14cde7b2N.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
38121d9807f873d6721e99d31c03d78795745d82eb7198b1914bb8ad14cde7b2N.exe
Resource
win10v2004-20241007-en
General
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Target
38121d9807f873d6721e99d31c03d78795745d82eb7198b1914bb8ad14cde7b2N.exe
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Size
488KB
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MD5
c7eb9cb21122507077ab4a5ab2679840
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SHA1
7540f3ccdb65a56e20bf4558d5b67cfb17655780
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SHA256
38121d9807f873d6721e99d31c03d78795745d82eb7198b1914bb8ad14cde7b2
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SHA512
fe4e7b64579e7de2879c90b7133300f31cad0fbbe208262d55f73792614f905886adbfa631a203f4e98041620c4f887d8c8e315532b88077154dce73faa66801
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SSDEEP
6144:M29qRfVSndj30B3wBxE1+ijiBKk3etdgI2MyzNORQtOfl1qNVo7R+S+N/TU7kn56:0RfQn+w8EYiBlMkn5f9J105ko8T6csVN
Malware Config
Extracted
sakula
www.polarroute.com
Signatures
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Sakula family
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Sakula payload 4 IoCs
resource yara_rule behavioral2/memory/3684-0-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula behavioral2/files/0x0008000000023caa-3.dat family_sakula behavioral2/memory/3684-9-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula behavioral2/memory/3420-18-0x0000000000400000-0x0000000000420000-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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation 38121d9807f873d6721e99d31c03d78795745d82eb7198b1914bb8ad14cde7b2N.exe -
Executes dropped EXE 1 IoCs
pid Process 3420 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" 38121d9807f873d6721e99d31c03d78795745d82eb7198b1914bb8ad14cde7b2N.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 MediaCenter.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PING.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 38121d9807f873d6721e99d31c03d78795745d82eb7198b1914bb8ad14cde7b2N.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 4196 cmd.exe 4464 PING.EXE -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 4464 PING.EXE -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 3684 38121d9807f873d6721e99d31c03d78795745d82eb7198b1914bb8ad14cde7b2N.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 3684 wrote to memory of 3420 3684 38121d9807f873d6721e99d31c03d78795745d82eb7198b1914bb8ad14cde7b2N.exe 83 PID 3684 wrote to memory of 3420 3684 38121d9807f873d6721e99d31c03d78795745d82eb7198b1914bb8ad14cde7b2N.exe 83 PID 3684 wrote to memory of 3420 3684 38121d9807f873d6721e99d31c03d78795745d82eb7198b1914bb8ad14cde7b2N.exe 83 PID 3684 wrote to memory of 4196 3684 38121d9807f873d6721e99d31c03d78795745d82eb7198b1914bb8ad14cde7b2N.exe 100 PID 3684 wrote to memory of 4196 3684 38121d9807f873d6721e99d31c03d78795745d82eb7198b1914bb8ad14cde7b2N.exe 100 PID 3684 wrote to memory of 4196 3684 38121d9807f873d6721e99d31c03d78795745d82eb7198b1914bb8ad14cde7b2N.exe 100 PID 4196 wrote to memory of 4464 4196 cmd.exe 102 PID 4196 wrote to memory of 4464 4196 cmd.exe 102 PID 4196 wrote to memory of 4464 4196 cmd.exe 102
Processes
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C:\Users\Admin\AppData\Local\Temp\38121d9807f873d6721e99d31c03d78795745d82eb7198b1914bb8ad14cde7b2N.exe"C:\Users\Admin\AppData\Local\Temp\38121d9807f873d6721e99d31c03d78795745d82eb7198b1914bb8ad14cde7b2N.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:3684 -
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:3420
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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\38121d9807f873d6721e99d31c03d78795745d82eb7198b1914bb8ad14cde7b2N.exe"2⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:4196 -
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:4464
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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
488KB
MD59c4d486051efde8e138a1212249e7b07
SHA107458fe755c7d4c065992ed473e8746d0b66f4a8
SHA256b5e1bb9273de3b0693977561987d97127c27b85d47118599077f3399b7dd9151
SHA5122b6ae2b275cc0f55f9e3d643211f92d9ca4f6f02813d2a5de5b534965377eecaea8740754267b25696a9f690ae4f6c9a6004f7b00a18b9d972bfb4681f4c674d