Analysis
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max time kernel
111s -
max time network
98s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
02-12-2024 10:26
Behavioral task
behavioral1
Sample
a3a2931d202c0adfda4e04080b1a601ca7963b842238286dafb052595237eede.exe
Resource
win7-20241023-en
General
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Target
a3a2931d202c0adfda4e04080b1a601ca7963b842238286dafb052595237eede.exe
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Size
43KB
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MD5
46b602f05450a2b1fa29f3ebf0d7ef98
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SHA1
cea409e7ca2d6f300e95f370a94e6775bf48f096
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SHA256
a3a2931d202c0adfda4e04080b1a601ca7963b842238286dafb052595237eede
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SHA512
edbc63388c25c112cc26b47f8e79b3a8f45245a605a3e4380cb528c612f99029586fb16f1eaf0220a3ef41cc9058b870a04e7e83d81dc0f153e56b00df971639
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SSDEEP
768:+U9XnKJv8KrtPNxT4oreP7cIK3yQpdk6x8pf9m4P/S0hVvIZiGDZ6RO8nHE8taqG:+U9abrtX4oocIK3yQkaY9z/S0hhy6k8U
Malware Config
Signatures
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Sakula family
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Sakula payload 4 IoCs
Processes:
resource yara_rule behavioral2/memory/2368-6-0x0000000000D60000-0x0000000000D7F000-memory.dmp family_sakula behavioral2/memory/5008-8-0x0000000000ED0000-0x0000000000EEF000-memory.dmp family_sakula behavioral2/memory/2368-14-0x0000000000D60000-0x0000000000D7F000-memory.dmp family_sakula behavioral2/memory/5008-20-0x0000000000ED0000-0x0000000000EEF000-memory.dmp family_sakula -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
a3a2931d202c0adfda4e04080b1a601ca7963b842238286dafb052595237eede.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation a3a2931d202c0adfda4e04080b1a601ca7963b842238286dafb052595237eede.exe -
Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid Process 5008 MediaCenter.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
a3a2931d202c0adfda4e04080b1a601ca7963b842238286dafb052595237eede.exedescription ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" a3a2931d202c0adfda4e04080b1a601ca7963b842238286dafb052595237eede.exe -
Processes:
resource yara_rule behavioral2/memory/2368-0-0x0000000000D60000-0x0000000000D7F000-memory.dmp upx behavioral2/files/0x000b000000023b69-3.dat upx behavioral2/memory/5008-4-0x0000000000ED0000-0x0000000000EEF000-memory.dmp upx behavioral2/memory/2368-6-0x0000000000D60000-0x0000000000D7F000-memory.dmp upx behavioral2/memory/5008-8-0x0000000000ED0000-0x0000000000EEF000-memory.dmp upx behavioral2/memory/2368-14-0x0000000000D60000-0x0000000000D7F000-memory.dmp upx behavioral2/memory/5008-20-0x0000000000ED0000-0x0000000000EEF000-memory.dmp upx -
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:
MediaCenter.execmd.exePING.EXEa3a2931d202c0adfda4e04080b1a601ca7963b842238286dafb052595237eede.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language MediaCenter.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 a3a2931d202c0adfda4e04080b1a601ca7963b842238286dafb052595237eede.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 2824 cmd.exe 4752 PING.EXE -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
a3a2931d202c0adfda4e04080b1a601ca7963b842238286dafb052595237eede.exedescription pid Process Token: SeIncBasePriorityPrivilege 2368 a3a2931d202c0adfda4e04080b1a601ca7963b842238286dafb052595237eede.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
a3a2931d202c0adfda4e04080b1a601ca7963b842238286dafb052595237eede.execmd.exedescription pid Process procid_target PID 2368 wrote to memory of 5008 2368 a3a2931d202c0adfda4e04080b1a601ca7963b842238286dafb052595237eede.exe 82 PID 2368 wrote to memory of 5008 2368 a3a2931d202c0adfda4e04080b1a601ca7963b842238286dafb052595237eede.exe 82 PID 2368 wrote to memory of 5008 2368 a3a2931d202c0adfda4e04080b1a601ca7963b842238286dafb052595237eede.exe 82 PID 2368 wrote to memory of 2824 2368 a3a2931d202c0adfda4e04080b1a601ca7963b842238286dafb052595237eede.exe 91 PID 2368 wrote to memory of 2824 2368 a3a2931d202c0adfda4e04080b1a601ca7963b842238286dafb052595237eede.exe 91 PID 2368 wrote to memory of 2824 2368 a3a2931d202c0adfda4e04080b1a601ca7963b842238286dafb052595237eede.exe 91 PID 2824 wrote to memory of 4752 2824 cmd.exe 93 PID 2824 wrote to memory of 4752 2824 cmd.exe 93 PID 2824 wrote to memory of 4752 2824 cmd.exe 93
Processes
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C:\Users\Admin\AppData\Local\Temp\a3a2931d202c0adfda4e04080b1a601ca7963b842238286dafb052595237eede.exe"C:\Users\Admin\AppData\Local\Temp\a3a2931d202c0adfda4e04080b1a601ca7963b842238286dafb052595237eede.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:2368 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:5008
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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\a3a2931d202c0adfda4e04080b1a601ca7963b842238286dafb052595237eede.exe"2⤵
- 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:4752
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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
43KB
MD51e1523880bd42585d741d3a7fd588e70
SHA1d448ffc308572f39a400275608bb09db4d474485
SHA25696081054325510962e5e53f8221487acad5955a3444ca2e7164a2fcffd7a23bc
SHA512503a46e9b80b90016c3f1cac69c141a2ab7bd7814b34244d7e8e4d6c1e929dbe33cf4cf6b89c64127215a7d497d6b97a4846be05d3a02661a67fadf74216f8a0