Analysis
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max time kernel
121s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
15-01-2025 21:59
Behavioral task
behavioral1
Sample
40a18cbec948040dc452078cf0b1024e88dd45a06eab1cc93cadce52eafb530c.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
40a18cbec948040dc452078cf0b1024e88dd45a06eab1cc93cadce52eafb530c.exe
Resource
win10v2004-20241007-en
General
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Target
40a18cbec948040dc452078cf0b1024e88dd45a06eab1cc93cadce52eafb530c.exe
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Size
92KB
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MD5
867d4dc640a2abfe0fbbd324a25e881f
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SHA1
b488f0d04bd2509be8153b85c062b4fb802ec9de
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SHA256
40a18cbec948040dc452078cf0b1024e88dd45a06eab1cc93cadce52eafb530c
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SHA512
a66a77ea38c6a536f6348b539e6b424991ca0c09f4f7d3cbe4c28b9bdc529dc6370cd185d1047d794dc6eda8a191db3550f745c699879b549c9c1890eb96ed05
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SSDEEP
1536:TJbCiJVkgMaT2itTkjoRXnM48dXFajVPYxCEtkz30rtrV:9bfVk29te2jqxCEtg30Bh
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/0x000700000001939b-1.dat family_sakula -
Deletes itself 1 IoCs
pid Process 2652 cmd.exe -
Executes dropped EXE 1 IoCs
pid Process 2464 AdobeUpdate.exe -
Loads dropped DLL 4 IoCs
pid Process 1488 40a18cbec948040dc452078cf0b1024e88dd45a06eab1cc93cadce52eafb530c.exe 2464 AdobeUpdate.exe 2464 AdobeUpdate.exe 2464 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" 40a18cbec948040dc452078cf0b1024e88dd45a06eab1cc93cadce52eafb530c.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 40a18cbec948040dc452078cf0b1024e88dd45a06eab1cc93cadce52eafb530c.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 2652 cmd.exe 2804 PING.EXE -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 2804 PING.EXE -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 1488 40a18cbec948040dc452078cf0b1024e88dd45a06eab1cc93cadce52eafb530c.exe -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 1488 wrote to memory of 2464 1488 40a18cbec948040dc452078cf0b1024e88dd45a06eab1cc93cadce52eafb530c.exe 29 PID 1488 wrote to memory of 2464 1488 40a18cbec948040dc452078cf0b1024e88dd45a06eab1cc93cadce52eafb530c.exe 29 PID 1488 wrote to memory of 2464 1488 40a18cbec948040dc452078cf0b1024e88dd45a06eab1cc93cadce52eafb530c.exe 29 PID 1488 wrote to memory of 2464 1488 40a18cbec948040dc452078cf0b1024e88dd45a06eab1cc93cadce52eafb530c.exe 29 PID 1488 wrote to memory of 2464 1488 40a18cbec948040dc452078cf0b1024e88dd45a06eab1cc93cadce52eafb530c.exe 29 PID 1488 wrote to memory of 2464 1488 40a18cbec948040dc452078cf0b1024e88dd45a06eab1cc93cadce52eafb530c.exe 29 PID 1488 wrote to memory of 2464 1488 40a18cbec948040dc452078cf0b1024e88dd45a06eab1cc93cadce52eafb530c.exe 29 PID 1488 wrote to memory of 2652 1488 40a18cbec948040dc452078cf0b1024e88dd45a06eab1cc93cadce52eafb530c.exe 31 PID 1488 wrote to memory of 2652 1488 40a18cbec948040dc452078cf0b1024e88dd45a06eab1cc93cadce52eafb530c.exe 31 PID 1488 wrote to memory of 2652 1488 40a18cbec948040dc452078cf0b1024e88dd45a06eab1cc93cadce52eafb530c.exe 31 PID 1488 wrote to memory of 2652 1488 40a18cbec948040dc452078cf0b1024e88dd45a06eab1cc93cadce52eafb530c.exe 31 PID 2652 wrote to memory of 2804 2652 cmd.exe 33 PID 2652 wrote to memory of 2804 2652 cmd.exe 33 PID 2652 wrote to memory of 2804 2652 cmd.exe 33 PID 2652 wrote to memory of 2804 2652 cmd.exe 33
Processes
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C:\Users\Admin\AppData\Local\Temp\40a18cbec948040dc452078cf0b1024e88dd45a06eab1cc93cadce52eafb530c.exe"C:\Users\Admin\AppData\Local\Temp\40a18cbec948040dc452078cf0b1024e88dd45a06eab1cc93cadce52eafb530c.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:1488 -
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:2464
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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\40a18cbec948040dc452078cf0b1024e88dd45a06eab1cc93cadce52eafb530c.exe"2⤵
- Deletes itself
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:2652 -
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:2804
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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
MD52ef2038f3ff2a14dfc0f59db3753b0bb
SHA1bc8e1d9a3be3ce4f47fc6e2d45297c8e651d1425
SHA256886e06b377b921182eba45cc45017fe2da7ba248abdcaeaeb3c1d916cfa3a60d
SHA512124d4a0d921a82c05740cb9871a2675084801edbd97e80584a13a35c71b8d703fa313157e3e6b5ecbfb62f932a9ee6d89a212be2624fd05615b4e1180f471e15