Analysis
- max time kernel
148s - max time network
151s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
31/08/2026, 01:12
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
f81dfc858f7e21c8cef30f1f35aa2cf6180ccb419d257a8134d503d5f1fb8a30.exe
Resource
win10v2004-20260513-en
12 signatures
150 seconds
General
- Target f81dfc858f7e21c8cef30f1f35aa2cf6180ccb419d257a8134d503d5f1fb8a30.exe
- Size 35KB
- Sample260831-bkpcmavyfs
- SHA256 f81dfc858f7e21c8cef30f1f35aa2cf6180ccb419d257a8134d503d5f1fb8a30
- MD5 684f7be371e450ada43af8481e191335
- SHA1 399d6ebc2c808af436024a7ebe69f55ca9301954
- SHA512 9cbe228aa7e9eaec38b3cc32690c1744b471b928792e767ada392c7a1d5ea123e3268d2649154d54d60f0ac2987763f8ba3ada1e96d72ffdba6225cfd54a520d
- SSDEEP 768:3wbYGCv4nuEcJpQK4TQbtKvXwXgA9lJJea+yGCJQqeWnAEv2647DE:3wbYP4nuEApQK4TQbtY2gA9DX+ytBOy
- TLSH T1E9F2E1E0B6BB88C8C99C563711372A49A520C4AF051092E37BCCB72DE8D6F11FE726D5
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Sakula payload 4 IoCs
resource yara_rule behavioral2/memory/4104-7-0x0000000000400000-0x000000000041A000-memory.dmp family_sakula behavioral2/memory/5536-9-0x0000000000400000-0x000000000041A000-memory.dmp family_sakula behavioral2/memory/4104-15-0x0000000000400000-0x000000000041A000-memory.dmp family_sakula behavioral2/memory/5536-18-0x0000000000400000-0x000000000041A000-memory.dmp family_sakula - Executes dropped EXE 1 IoCs
pid Process 5536 MediaCenter.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\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" f81dfc858f7e21c8cef30f1f35aa2cf6180ccb419d257a8134d503d5f1fb8a30.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Executes a command shell one-liner 1 TTPs 1 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
pid Process 4884 cmd.exe - 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 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 f81dfc858f7e21c8cef30f1f35aa2cf6180ccb419d257a8134d503d5f1fb8a30.exe - System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 4884 cmd.exe 1476 PING.EXE - Runs ping.exe 1 TTPs 1 IoCs
pid Process 1476 PING.EXE - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 4104 f81dfc858f7e21c8cef30f1f35aa2cf6180ccb419d257a8134d503d5f1fb8a30.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4104 wrote to memory of 5536 4104 f81dfc858f7e21c8cef30f1f35aa2cf6180ccb419d257a8134d503d5f1fb8a30.exe 88 PID 4104 wrote to memory of 4884 4104 f81dfc858f7e21c8cef30f1f35aa2cf6180ccb419d257a8134d503d5f1fb8a30.exe 90 PID 4884 wrote to memory of 1476 4884 cmd.exe 92
Processes
-
C:\Users\Admin\AppData\Local\Temp\f81dfc858f7e21c8cef30f1f35aa2cf6180ccb419d257a8134d503d5f1fb8a30.exe"C:\Users\Admin\AppData\Local\Temp\f81dfc858f7e21c8cef30f1f35aa2cf6180ccb419d257a8134d503d5f1fb8a30.exe"1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4104 -
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:5536
-
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\f81dfc858f7e21c8cef30f1f35aa2cf6180ccb419d257a8134d503d5f1fb8a30.exe"2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:4884 -
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:1476
-
-
Network
MITRE ATT&CK Enterprise v16
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
- Size 35KB
- SHA256 69c64f30cf40d507609e9aefccedfd84b9d428eb8bfe10e5890de1ef52b2474b
- MD5 57a308aa7d7ccba7402a8113960f5fb5
- SHA1 521203238e76038866be873ac5d0974e37e37eb6
- SHA512 cdeb7a1e4ae8722e99248335ca8ea4c18c277635ebe93fc6b0e0a1b289105b43b4afcf89a2815d65654ca27daf53ffde265efede2d9a84dea98416b452632ee8
- SSDEEP 768:3wbYGCv4nuEcJpQK4TQbtKvXwXgA9lJJea+yGCJQqeWnAEv2647D1:3wbYP4nuEApQK4TQbtY2gA9DX+ytBOf
- TLSH T12FF2E1E0B6BB88C8C99C563711372A49A520C4AF051092E37BCCB72DE8D6F11FE726D5
- MD5 SHA1 SHA512 SSDEEP TLSH