Analysis
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max time kernel
92s -
max time network
101s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
10-12-2024 16:38
Behavioral task
behavioral1
Sample
b0093d83e8ca223fc4c35553d9d82f617d56dd0152e4708423692e8455cb9f8fN.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
b0093d83e8ca223fc4c35553d9d82f617d56dd0152e4708423692e8455cb9f8fN.exe
Resource
win10v2004-20241007-en
General
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Target
b0093d83e8ca223fc4c35553d9d82f617d56dd0152e4708423692e8455cb9f8fN.exe
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Size
92KB
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MD5
72d566cdd3483b511588072b31e705f0
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SHA1
a784a442cc290941ba9c92dda234d4504286a1ae
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SHA256
b0093d83e8ca223fc4c35553d9d82f617d56dd0152e4708423692e8455cb9f8f
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SHA512
c724b06e7c3e00e24daea79c672c4ed998a36e285f20e5851393de5dfbafee0f32c0fa4cb129c722d648803c8190d3854ca5f0cce2048357ffad3fef5ce0e92a
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SSDEEP
1536:TJbCiJVkgMaT2itTkjoRXnM48dXFajVPYxCEtkz30rtrs:9bfVk29te2jqxCEtg30BQ
Malware Config
Extracted
sakula
www.savmpet.com
Signatures
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Sakula family
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Sakula payload 1 IoCs
resource yara_rule behavioral1/files/0x0008000000016399-1.dat family_sakula -
Deletes itself 1 IoCs
pid Process 2824 cmd.exe -
Executes dropped EXE 1 IoCs
pid Process 1696 AdobeUpdate.exe -
Loads dropped DLL 4 IoCs
pid Process 2520 b0093d83e8ca223fc4c35553d9d82f617d56dd0152e4708423692e8455cb9f8fN.exe 1696 AdobeUpdate.exe 1696 AdobeUpdate.exe 1696 AdobeUpdate.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\AdobeUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\AdobeUpdate.exe" b0093d83e8ca223fc4c35553d9d82f617d56dd0152e4708423692e8455cb9f8fN.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 b0093d83e8ca223fc4c35553d9d82f617d56dd0152e4708423692e8455cb9f8fN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language AdobeUpdate.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 2824 cmd.exe 2072 PING.EXE -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 2072 PING.EXE -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 2520 b0093d83e8ca223fc4c35553d9d82f617d56dd0152e4708423692e8455cb9f8fN.exe -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 2520 wrote to memory of 1696 2520 b0093d83e8ca223fc4c35553d9d82f617d56dd0152e4708423692e8455cb9f8fN.exe 30 PID 2520 wrote to memory of 1696 2520 b0093d83e8ca223fc4c35553d9d82f617d56dd0152e4708423692e8455cb9f8fN.exe 30 PID 2520 wrote to memory of 1696 2520 b0093d83e8ca223fc4c35553d9d82f617d56dd0152e4708423692e8455cb9f8fN.exe 30 PID 2520 wrote to memory of 1696 2520 b0093d83e8ca223fc4c35553d9d82f617d56dd0152e4708423692e8455cb9f8fN.exe 30 PID 2520 wrote to memory of 1696 2520 b0093d83e8ca223fc4c35553d9d82f617d56dd0152e4708423692e8455cb9f8fN.exe 30 PID 2520 wrote to memory of 1696 2520 b0093d83e8ca223fc4c35553d9d82f617d56dd0152e4708423692e8455cb9f8fN.exe 30 PID 2520 wrote to memory of 1696 2520 b0093d83e8ca223fc4c35553d9d82f617d56dd0152e4708423692e8455cb9f8fN.exe 30 PID 2520 wrote to memory of 2824 2520 b0093d83e8ca223fc4c35553d9d82f617d56dd0152e4708423692e8455cb9f8fN.exe 33 PID 2520 wrote to memory of 2824 2520 b0093d83e8ca223fc4c35553d9d82f617d56dd0152e4708423692e8455cb9f8fN.exe 33 PID 2520 wrote to memory of 2824 2520 b0093d83e8ca223fc4c35553d9d82f617d56dd0152e4708423692e8455cb9f8fN.exe 33 PID 2520 wrote to memory of 2824 2520 b0093d83e8ca223fc4c35553d9d82f617d56dd0152e4708423692e8455cb9f8fN.exe 33 PID 2824 wrote to memory of 2072 2824 cmd.exe 35 PID 2824 wrote to memory of 2072 2824 cmd.exe 35 PID 2824 wrote to memory of 2072 2824 cmd.exe 35 PID 2824 wrote to memory of 2072 2824 cmd.exe 35
Processes
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C:\Users\Admin\AppData\Local\Temp\b0093d83e8ca223fc4c35553d9d82f617d56dd0152e4708423692e8455cb9f8fN.exe"C:\Users\Admin\AppData\Local\Temp\b0093d83e8ca223fc4c35553d9d82f617d56dd0152e4708423692e8455cb9f8fN.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2520 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:1696
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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\b0093d83e8ca223fc4c35553d9d82f617d56dd0152e4708423692e8455cb9f8fN.exe"2⤵
- Deletes itself
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:2824 -
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:2072
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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
92KB
MD51db63c1b4ff4c409fd82bb0a6ca53227
SHA19fe8e37d41d741c23bc27c15d4550712d024590f
SHA256a3bc9f0a6c6aa496a3b6505b090b961feba8d0377ad8b3fb2a1c6b36acca27e6
SHA512e0bfb87532cc1f973ccf12c82a2c4edb1ced6930ccdf980c6a295b4f77af315ed74c4f7df913ac4f6975c2aa2be9666fc0040c1cc13743646499fc2e6465a45a