Analysis
- max time kernel
150s - max time network
113s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260710-en - resource tags
- submitted
28/08/2026, 02:20
General
- Target 2026-08-27_ef9e5a10797c18f622e119c9f58c7f3d_elex_vidar_wannacry.exe
- Size 16.7MB
- Sample260828-csfwwsstct
- SHA256 1d4c83ac11b4207db07a73c10619166ea64b0b873785a3dd3654b0b297e6fa7b
Malware Config
Signatures
- Detects executables embedding registry key / value combination indicative of disabling Windows Defen 2 IoCs
- Creates a file in the Startup directory 1 TTPs 4 IoCs
A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.
- Creates new service(s) 2 TTPs
- Executes dropped EXE 3 IoCs
- Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Adds Run key to start application 2 TTPs 2 IoCs
- Launches sc.exe 2 IoCs
Sc.exe is a Windows utlilty to control services on the system.
- Executes a command shell one-liner 1 TTPs 3 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
- System Location Discovery: System Language Discovery 1 TTPs 9 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 12 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of WriteProcessMemory 7 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-27_ef9e5a10797c18f622e119c9f58c7f3d_elex_vidar_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-27_ef9e5a10797c18f622e119c9f58c7f3d_elex_vidar_wannacry.exe"1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c schtasks /create /tn "Microsoft\Windows\MemoryDiagnostic\MicrosoftEdgeUpdateTask_AABBACAABAAACBCCBCCAABACCAAACCCACCCCACBCACCBCCCBBABABAAAAAABCBBBBCBACAABAACCAABBBCABBAAAABACCCABABCCBAB" /tr "C:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_ABBABBAABBCBCCCBBABABABBACCBABCBACBABBCCCCBCACCACBACAAB.exe" /sc minute /mo 30 /ru SYSTEM /f2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exeschtasks /create /tn "Microsoft\Windows\MemoryDiagnostic\MicrosoftEdgeUpdateTask_AABBACAABAAACBCCBCCAABACCAAACCCACCCCACBCACCBCCCBBABABAAAAAABCBBBBCBACAABAACCAABBBCABBAAAABACCCABABCCBAB" /tr "C:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_ABBABBAABBCBCCCBBABABABBACCBABCBACBABBCCCCBCACCACBACAAB.exe" /sc minute /mo 30 /ru SYSTEM /f3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
-
-
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c sc create "UserDataSvc_CCBBCBBAACCBCBBABCCABCACCABBBAABBAACCABCBCCBCCAAAAB" binPath= "C:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_ABBABBAABBCBCCCBBABABABBACCBABCBACBABBCCCCBCACCACBACAAB.exe" start= auto displayName= "UserDataSvc_CCBBCBBAACCBCBBABCCABCACCABBBAABBAACCABCBCCBCCAAAAB"2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\sc.exesc create "UserDataSvc_CCBBCBBAACCBCBBABCCABCACCABBBAABBAACCABCBCCBCCAAAAB" binPath= "C:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_ABBABBAABBCBCCCBBABABABBACCBABCBACBABBCCCCBCACCACBACAAB.exe" start= auto displayName= "UserDataSvc_CCBBCBBAACCBCBBABCCABCACCABBBAABBAACCABCBCCBCCAAAAB"3⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
-
-
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c sc start "UserDataSvc_CCBBCBBAACCBCBBABCCABCACCABBBAABBAACCABCBCCBCCAAAAB"2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\sc.exesc start "UserDataSvc_CCBBCBBAACCBCBBABCCABCACCABBBAABBAACCABCBCCBCCAAAAB"3⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
-
-
-
C:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_ABBABBAABBCBCCCBBABABABBACCBABCBACBABBCCCCBCACCACBACAAB.exeC:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_ABBABBAABBCBCCCBBABABABBACCBABCBACBABBCCCCBCACCACBACAAB.exe1⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\notepad.exe"notepad.exe"2⤵
-
-
C:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_ACCBCACBCACBBABABBCAAACABCBCBBCBBAACCBBBCBAABCBACBACCCC.exeC:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_ACCBCACBCACBBABABBCAAACABCBCBBCBBAACCBBBCBAABCBACBACCCC.exe1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
C:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_ABBABBAABBCBCCCBBABABABBACCBABCBACBABBCCCCBCACCACBACAAB.exeC:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_ABBABBAABBCBCCCBBABABABBACCBABCBACBABBCCCCBCACCACBACAAB.exe1⤵
- Creates a file in the Startup directory
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
1Windows Command Shell
1Scheduled Task/Job
1Scheduled Task
1System Services
1Service Execution
1Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
qap`g`v~dtlq
qap`g`v~dtlq
qap`g`v~dtlq
qap`g`v~dtlq
qap`g`v~dtlq
windowsdesktop-runtime-8.0.15-win-x64.exe
qap`g`v~dtlq
qap`g`v~dtlq
qap`g`v~dtlq
qap`g`v~dtlq
qap`g`v~dtlq
qap`g`v~dtlq
qap`g`v~dtlq
qap`g`v~dtlq
qap`g`v~dtlq
qap`g`v~dtlq
qap`g`v~dtlq
qap`g`v~dtlq
qap`g`v~dtlq
svchost_ABBABBAABBCBCCCBBABABABBACCBABCBACBABBCCCCBCACCACBACAAB.exe
virus_log.txt
virus_log.txt
memory/3896-23-0x0000000000510000-0x0000000000531000-memory.dmp
memory/3896-33-0x0000000000510000-0x0000000000531000-memory.dmp
memory/4700-2427-0x0000000000E80000-0x0000000000EA1000-memory.dmp
memory/4700-69-0x0000000000E80000-0x0000000000EA1000-memory.dmp
memory/5752-6-0x0000000000490000-0x00000000004B1000-memory.dmp
memory/6000-878-0x0000000000510000-0x0000000000531000-memory.dmp