Analysis
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max time kernel
97s -
max time network
98s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
14-09-2024 04:49
Behavioral task
behavioral1
Sample
88ad47bd9156eaa4d484b3e8646a1cb0N.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
88ad47bd9156eaa4d484b3e8646a1cb0N.exe
Resource
win10v2004-20240802-en
General
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Target
88ad47bd9156eaa4d484b3e8646a1cb0N.exe
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Size
92KB
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MD5
88ad47bd9156eaa4d484b3e8646a1cb0
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SHA1
72213d67d2c9daac2a2805cfe586abdc7ebf6605
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SHA256
ff8f608aa900231c5080a93e30d38eb082783599d855681f576171b01d805f1d
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SHA512
7514cdd77bc5382ff47fc963b554b4fcdd9dfcca5aaddde41d5fcf5aa541cbf1567b8f70a6257c4c18d04a725c6ec1faafa96cedd9dd0cb473e6929ce5a15b06
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SSDEEP
1536:TJbCiJVkgMaT2itTkjoRXnM48dXFajVPYxCEtkz30rtru:9bfVk29te2jqxCEtg30BC
Malware Config
Extracted
sakula
www.savmpet.com
Signatures
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Sakula payload 1 IoCs
resource yara_rule behavioral1/files/0x0008000000016fb3-1.dat family_sakula -
Deletes itself 1 IoCs
pid Process 2480 cmd.exe -
Executes dropped EXE 1 IoCs
pid Process 2348 AdobeUpdate.exe -
Loads dropped DLL 4 IoCs
pid Process 2068 88ad47bd9156eaa4d484b3e8646a1cb0N.exe 2348 AdobeUpdate.exe 2348 AdobeUpdate.exe 2348 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" 88ad47bd9156eaa4d484b3e8646a1cb0N.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 88ad47bd9156eaa4d484b3e8646a1cb0N.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 2480 cmd.exe 2932 PING.EXE -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 2932 PING.EXE -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 2068 88ad47bd9156eaa4d484b3e8646a1cb0N.exe -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 2068 wrote to memory of 2348 2068 88ad47bd9156eaa4d484b3e8646a1cb0N.exe 31 PID 2068 wrote to memory of 2348 2068 88ad47bd9156eaa4d484b3e8646a1cb0N.exe 31 PID 2068 wrote to memory of 2348 2068 88ad47bd9156eaa4d484b3e8646a1cb0N.exe 31 PID 2068 wrote to memory of 2348 2068 88ad47bd9156eaa4d484b3e8646a1cb0N.exe 31 PID 2068 wrote to memory of 2348 2068 88ad47bd9156eaa4d484b3e8646a1cb0N.exe 31 PID 2068 wrote to memory of 2348 2068 88ad47bd9156eaa4d484b3e8646a1cb0N.exe 31 PID 2068 wrote to memory of 2348 2068 88ad47bd9156eaa4d484b3e8646a1cb0N.exe 31 PID 2068 wrote to memory of 2480 2068 88ad47bd9156eaa4d484b3e8646a1cb0N.exe 33 PID 2068 wrote to memory of 2480 2068 88ad47bd9156eaa4d484b3e8646a1cb0N.exe 33 PID 2068 wrote to memory of 2480 2068 88ad47bd9156eaa4d484b3e8646a1cb0N.exe 33 PID 2068 wrote to memory of 2480 2068 88ad47bd9156eaa4d484b3e8646a1cb0N.exe 33 PID 2480 wrote to memory of 2932 2480 cmd.exe 35 PID 2480 wrote to memory of 2932 2480 cmd.exe 35 PID 2480 wrote to memory of 2932 2480 cmd.exe 35 PID 2480 wrote to memory of 2932 2480 cmd.exe 35
Processes
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C:\Users\Admin\AppData\Local\Temp\88ad47bd9156eaa4d484b3e8646a1cb0N.exe"C:\Users\Admin\AppData\Local\Temp\88ad47bd9156eaa4d484b3e8646a1cb0N.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:2068 -
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:2348
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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\88ad47bd9156eaa4d484b3e8646a1cb0N.exe"2⤵
- Deletes itself
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:2480 -
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:2932
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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
MD5da61d28cc9d0b9a19ee64477d902351d
SHA1970cbf428e151581f76c3ad8d503d483ab5fdde4
SHA256a372417d71447e8780c3dd353f9000d8d17ac1043b3a9c2c62caab1e6dabc2e0
SHA512667d92405b66b217d6352b8e6d4c3c37366614d68dbf3ce2473c7d8b48093d612c22aa16c7d075cd219137c81bdad92c21b8cfeb2176cd4e97daae3f22566820