Analysis
- max time kernel
149s - max time network
141s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
28/08/2026, 17:16
General
- Target 2026-08-28_4a8779a8a32c1497443cebc50ab01968_elex_vidar_wannacry.exe
- Size 8.2MB
- Sample260828-vs4bas1dnf
- SHA256 3df419f2bf7768cac2ce7c892de672e0c9bd80f8e630ee90dda5a0f80491eec2
Score
7/10
Malware Config
Signatures
- Creates new service(s) 2 TTPs
- Executes dropped EXE 3 IoCs
- 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 11 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Modifies registry class 1 IoCs
- 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 8 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2026-08-28_4a8779a8a32c1497443cebc50ab01968_elex_vidar_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-28_4a8779a8a32c1497443cebc50ab01968_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
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c schtasks /create /tn "Microsoft\Windows\MemoryDiagnostic\MicrosoftEdgeUpdateTask_ACBCABABABCACBACBCACABCABCBBACCBBCCCCCAACBBBCBBCCACBBBACACBBBAABAACACBCBCAABBACCAACACABBCBACCBBBABACBCA" /tr "C:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_CBABBCBBCBCCACCBAABCCBCAACAAACAACBCBBAAABCBACBABABACBCA.exe" /sc minute /mo 30 /ru SYSTEM /f2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exeschtasks /create /tn "Microsoft\Windows\MemoryDiagnostic\MicrosoftEdgeUpdateTask_ACBCABABABCACBACBCACABCABCBBACCBBCCCCCAACBBBCBBCCACBBBACACBBBAABAACACBCBCAABBACCAACACABBCBACCBBBABACBCA" /tr "C:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_CBABBCBBCBCCACCBAABCCBCAACAAACAACBCBBAAABCBACBABABACBCA.exe" /sc minute /mo 30 /ru SYSTEM /f3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c sc create "UserDataSvc_BCCCBBABCBAAAACBBBACBACAABCCAABACBBCBCBCBCBCBACACBA" binPath= "C:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_CBABBCBBCBCCACCBAABCCBCAACAAACAACBCBBAAABCBACBABABACBCA.exe" start= auto displayName= "UserDataSvc_BCCCBBABCBAAAACBBBACBACAABCCAABACBBCBCBCBCBCBACACBA"2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\sc.exesc create "UserDataSvc_BCCCBBABCBAAAACBBBACBACAABCCAABACBBCBCBCBCBCBACACBA" binPath= "C:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_CBABBCBBCBCCACCBAABCCBCAACAAACAACBCBBAAABCBACBABABACBCA.exe" start= auto displayName= "UserDataSvc_BCCCBBABCBAAAACBBBACBACAABCCAABACBBCBCBCBCBCBACACBA"3⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c sc start "UserDataSvc_BCCCBBABCBAAAACBBBACBACAABCCAABACBBCBCBCBCBCBACACBA"2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\sc.exesc start "UserDataSvc_BCCCBBABCBAAAACBBBACBACAABCCAABACBBCBCBCBCBCBACACBA"3⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
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C:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_CBABBCBBCBCCACCBAABCCBCAACAAACAACBCBBAAABCBACBABABACBCA.exeC:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_CBABBCBBCBCCACCBAABCCBCAACAAACAACBCBBAAABCBACBABABACBCA.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
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C:\Windows\SysWOW64\notepad.exe"notepad.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\calc.execalc.exe3⤵
- System Location Discovery: System Language Discovery
- Modifies registry class
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C:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_CBABBCBBCBCCACCBAABCCBCAACAAACAACBCBBAAABCBACBABABACBCA.exeC:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_CBABBCBBCBCCACCBAABCCBCAACAAACAACBCBBAAABCBACBABABACBCA.exe1⤵
- Executes dropped EXE
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C:\Windows\system32\OpenWith.exeC:\Windows\system32\OpenWith.exe -Embedding1⤵
- Suspicious use of SetWindowsHookEx
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C:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_BCCCBCBBBBAACBBCACBBBBCAAACBAAACBABAAAABBCAAACABBABBCCB.exeC:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_BCCCBCBBBBAACBBCACBBBBCAAACBAAACBABAAAABBCAAACABBABBCCB.exe1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
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
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
qap`g`v~dtlq
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qap`g`v~dtlq
qap`g`v~dtlq
qap`g`v~dtlq
svchost_CBABBCBBCBCCACCBAABCCBCAACAAACAACBCBBAAABCBACBABABACBCA.exe
memory/1060-74-0x0000000000D30000-0x0000000000D51000-memory.dmp
memory/1148-25-0x0000000000D30000-0x0000000000D51000-memory.dmp
memory/1148-38-0x0000000000D30000-0x0000000000D51000-memory.dmp
memory/3984-67-0x0000000004CA0000-0x0000000004CA1000-memory.dmp
memory/4380-6-0x0000000000AF0000-0x0000000000B11000-memory.dmp
memory/4588-80-0x0000000000820000-0x0000000000841000-memory.dmp