Analysis
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max time kernel
126s -
max time network
134s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
20-11-2024 04:27
Behavioral task
behavioral1
Sample
b85d0b465dca98653a4c5faddc4d77ab34f702213ab16597b3586595b737cbf5.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
b85d0b465dca98653a4c5faddc4d77ab34f702213ab16597b3586595b737cbf5.exe
Resource
win10v2004-20241007-en
General
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Target
b85d0b465dca98653a4c5faddc4d77ab34f702213ab16597b3586595b737cbf5.exe
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Size
92KB
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MD5
745a5971743038bdab98274e18231d9d
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SHA1
4bba06b5ddb4ad3437da891a55da4f20a85b9421
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SHA256
b85d0b465dca98653a4c5faddc4d77ab34f702213ab16597b3586595b737cbf5
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SHA512
071ab440621d096f457349891f9826b643eab5be482b9da58fc0620533be67e53199664e0c82505ab9dbe10fe3e172e9380b9d512f066b4818b35570794cc547
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SSDEEP
1536:TJbCiJVkgMaT2itTkjoRXnM48dXFajVPYxCEtkz30rtrt:9bfVk29te2jqxCEtg30BZ
Malware Config
Extracted
sakula
www.savmpet.com
Signatures
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Sakula family
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Sakula payload 1 IoCs
Processes:
resource yara_rule C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe family_sakula -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
b85d0b465dca98653a4c5faddc4d77ab34f702213ab16597b3586595b737cbf5.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation b85d0b465dca98653a4c5faddc4d77ab34f702213ab16597b3586595b737cbf5.exe -
Executes dropped EXE 1 IoCs
Processes:
AdobeUpdate.exepid process 1840 AdobeUpdate.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
b85d0b465dca98653a4c5faddc4d77ab34f702213ab16597b3586595b737cbf5.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\AdobeUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\AdobeUpdate.exe" b85d0b465dca98653a4c5faddc4d77ab34f702213ab16597b3586595b737cbf5.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.
Processes:
AdobeUpdate.execmd.exePING.EXEb85d0b465dca98653a4c5faddc4d77ab34f702213ab16597b3586595b737cbf5.exedescription ioc process 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 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b85d0b465dca98653a4c5faddc4d77ab34f702213ab16597b3586595b737cbf5.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
Processes:
cmd.exePING.EXEpid process 228 cmd.exe 4632 PING.EXE -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
b85d0b465dca98653a4c5faddc4d77ab34f702213ab16597b3586595b737cbf5.exedescription pid process Token: SeIncBasePriorityPrivilege 384 b85d0b465dca98653a4c5faddc4d77ab34f702213ab16597b3586595b737cbf5.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
b85d0b465dca98653a4c5faddc4d77ab34f702213ab16597b3586595b737cbf5.execmd.exedescription pid process target process PID 384 wrote to memory of 1840 384 b85d0b465dca98653a4c5faddc4d77ab34f702213ab16597b3586595b737cbf5.exe AdobeUpdate.exe PID 384 wrote to memory of 1840 384 b85d0b465dca98653a4c5faddc4d77ab34f702213ab16597b3586595b737cbf5.exe AdobeUpdate.exe PID 384 wrote to memory of 1840 384 b85d0b465dca98653a4c5faddc4d77ab34f702213ab16597b3586595b737cbf5.exe AdobeUpdate.exe PID 384 wrote to memory of 228 384 b85d0b465dca98653a4c5faddc4d77ab34f702213ab16597b3586595b737cbf5.exe cmd.exe PID 384 wrote to memory of 228 384 b85d0b465dca98653a4c5faddc4d77ab34f702213ab16597b3586595b737cbf5.exe cmd.exe PID 384 wrote to memory of 228 384 b85d0b465dca98653a4c5faddc4d77ab34f702213ab16597b3586595b737cbf5.exe cmd.exe PID 228 wrote to memory of 4632 228 cmd.exe PING.EXE PID 228 wrote to memory of 4632 228 cmd.exe PING.EXE PID 228 wrote to memory of 4632 228 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\b85d0b465dca98653a4c5faddc4d77ab34f702213ab16597b3586595b737cbf5.exe"C:\Users\Admin\AppData\Local\Temp\b85d0b465dca98653a4c5faddc4d77ab34f702213ab16597b3586595b737cbf5.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:384 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:1840
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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\b85d0b465dca98653a4c5faddc4d77ab34f702213ab16597b3586595b737cbf5.exe"2⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:228 -
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:4632
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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
MD5e43c6f1501b4bdc83538c36dc29fbf1d
SHA1cb4d1e2b3e0cdf012945ffc7133ffe65582c7ef7
SHA2568150e2b9bf631e400ed63dbb339bbc9161da123dc6cf3c7d9bd8a8c0bddf845a
SHA5128e3ae36fb47c628f5bd343dda7f424d04227740938b779588884fc8b46cf82b3f6b2ddd7cb5ffe4b6ccc864ff398a829bd3715a3e15a103cd036c215263c2c8c