Analysis
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max time kernel
91s -
max time network
105s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
15-01-2025 21:51
Behavioral task
behavioral1
Sample
40a18cbec948040dc452078cf0b1024e88dd45a06eab1cc93cadce52eafb530c.exe
Resource
win7-20240708-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/0x0007000000019214-1.dat family_sakula -
Deletes itself 1 IoCs
pid Process 2676 cmd.exe -
Executes dropped EXE 1 IoCs
pid Process 2516 AdobeUpdate.exe -
Loads dropped DLL 4 IoCs
pid Process 3044 40a18cbec948040dc452078cf0b1024e88dd45a06eab1cc93cadce52eafb530c.exe 2516 AdobeUpdate.exe 2516 AdobeUpdate.exe 2516 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 2676 cmd.exe 1440 PING.EXE -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 1440 PING.EXE -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 3044 40a18cbec948040dc452078cf0b1024e88dd45a06eab1cc93cadce52eafb530c.exe -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 3044 wrote to memory of 2516 3044 40a18cbec948040dc452078cf0b1024e88dd45a06eab1cc93cadce52eafb530c.exe 30 PID 3044 wrote to memory of 2516 3044 40a18cbec948040dc452078cf0b1024e88dd45a06eab1cc93cadce52eafb530c.exe 30 PID 3044 wrote to memory of 2516 3044 40a18cbec948040dc452078cf0b1024e88dd45a06eab1cc93cadce52eafb530c.exe 30 PID 3044 wrote to memory of 2516 3044 40a18cbec948040dc452078cf0b1024e88dd45a06eab1cc93cadce52eafb530c.exe 30 PID 3044 wrote to memory of 2516 3044 40a18cbec948040dc452078cf0b1024e88dd45a06eab1cc93cadce52eafb530c.exe 30 PID 3044 wrote to memory of 2516 3044 40a18cbec948040dc452078cf0b1024e88dd45a06eab1cc93cadce52eafb530c.exe 30 PID 3044 wrote to memory of 2516 3044 40a18cbec948040dc452078cf0b1024e88dd45a06eab1cc93cadce52eafb530c.exe 30 PID 3044 wrote to memory of 2676 3044 40a18cbec948040dc452078cf0b1024e88dd45a06eab1cc93cadce52eafb530c.exe 33 PID 3044 wrote to memory of 2676 3044 40a18cbec948040dc452078cf0b1024e88dd45a06eab1cc93cadce52eafb530c.exe 33 PID 3044 wrote to memory of 2676 3044 40a18cbec948040dc452078cf0b1024e88dd45a06eab1cc93cadce52eafb530c.exe 33 PID 3044 wrote to memory of 2676 3044 40a18cbec948040dc452078cf0b1024e88dd45a06eab1cc93cadce52eafb530c.exe 33 PID 2676 wrote to memory of 1440 2676 cmd.exe 35 PID 2676 wrote to memory of 1440 2676 cmd.exe 35 PID 2676 wrote to memory of 1440 2676 cmd.exe 35 PID 2676 wrote to memory of 1440 2676 cmd.exe 35
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:3044 -
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:2516
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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:2676 -
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:1440
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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
MD5376442ef81be72d3fa190c126bbedae7
SHA1cf5fa4cd323b751f75c21df143197a471210945e
SHA256c7b873fcf9c924e7a0df42f62825a8f378823c5651eaf3881d9f384df442249a
SHA5121f529f06950bd01e67ca8021c6d06590151001631bed0fdadd8edcd5c6827e74172de37b36cb7483b6cfce70877b7f0da4f6109475ea231eaf72f8fa29ba9488