Analysis
- max time kernel
150s - max time network
126s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
31/08/2026, 11:49
General
- Target 2026-08-30_4b1336ef74b2869e04797ae0fd8cfc73_elex_glassworm_vidar_wannacry.exe
- Size 17.3MB
- Sample260831-ny4exs1cmd
- SHA256 2bca3e7e3a5c2e720e661fb97b6066d1a8430c7569d647a38f3771b629dc3196
Malware Config
Signatures
- 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
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C:\Users\Admin\AppData\Local\Temp\2026-08-30_4b1336ef74b2869e04797ae0fd8cfc73_elex_glassworm_vidar_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-30_4b1336ef74b2869e04797ae0fd8cfc73_elex_glassworm_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_AACCBABCCACBABBCCBBBBCBCBCACAABCBCBABAAACCBBBABCCBBACBAABBABBAABCAACACACCBBABBCCBBCCCCCCABBBBCABACCAACB" /tr "C:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_CCBCABAAAABCBCCCACCCBCBAACBBCACACCBCCCBABACBBCCABAABBAC.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_AACCBABCCACBABBCCBBBBCBCBCACAABCBCBABAAACCBBBABCCBBACBAABBABBAABCAACACACCBBABBCCBBCCCCCCABBBBCABACCAACB" /tr "C:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_CCBCABAAAABCBCCCACCCBCBAACBBCACACCBCCCBABACBBCCABAABBAC.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_BCBCCBAAACBACBACBCACBACBACCBACABBCCBCCCAABCABCCBBCB" binPath= "C:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_CCBCABAAAABCBCCCACCCBCBAACBBCACACCBCCCBABACBBCCABAABBAC.exe" start= auto displayName= "UserDataSvc_BCBCCBAAACBACBACBCACBACBACCBACABBCCBCCCAABCABCCBBCB"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_BCBCCBAAACBACBACBCACBACBACCBACABBCCBCCCAABCABCCBBCB" binPath= "C:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_CCBCABAAAABCBCCCACCCBCBAACBBCACACCBCCCBABACBBCCABAABBAC.exe" start= auto displayName= "UserDataSvc_BCBCCBAAACBACBACBCACBACBACCBACABBCCBCCCAABCABCCBBCB"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_BCBCCBAAACBACBACBCACBACBACCBACABBCCBCCCAABCABCCBBCB"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_BCBCCBAAACBACBACBCACBACBACCBACABBCCBCCCAABCABCCBBCB"3⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
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C:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_CCBCABAAAABCBCCCACCCBCBAACBBCACACCBCCCBABACBBCCABAABBAC.exeC:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_CCBCABAAAABCBCCCACCCBCBAACBBCACACCBCCCBABACBBCCABAABBAC.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\notepad.exe"notepad.exe"2⤵
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C:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_BBBACBBABBABACBABCCAACAACCACAACBABCAAACABABBBBAAAACBCCB.exeC:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_BBBACBBABBABACBABCCAACAACCACAACBABCAAACABABBBBAAAACBCCB.exe1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_CCBCABAAAABCBCCCACCCBCBAACBBCACACCBCCCBABACBBCCABAABBAC.exeC:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_CCBCABAAAABCBCCCACCCBCBAACBBCACACCBCCCBABACBBCCABAABBAC.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
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windowsdesktop-runtime-8.0.15-win-x64.exe
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svchost_CCBCABAAAABCBCCCACCCBCBAACBBCACACCBCCCBABACBBCCABAABBAC.exe
virus_log.txt
virus_log.txt
memory/620-6-0x0000000000B10000-0x0000000000B31000-memory.dmp
memory/5004-912-0x0000000000F50000-0x0000000000F71000-memory.dmp
memory/5036-33-0x0000000000F50000-0x0000000000F71000-memory.dmp
memory/5036-23-0x0000000000F50000-0x0000000000F71000-memory.dmp
memory/5272-69-0x0000000000AA0000-0x0000000000AC1000-memory.dmp
memory/5272-2363-0x0000000000AA0000-0x0000000000AC1000-memory.dmp