Analysis
- max time kernel
148s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
15/08/2026, 14:06
General
- Target 2026-08-15_d0323cc04b046011c5af71df918a35fb_elex_glassworm_stop_vidar.exe
- Size 5.4MB
- Sample260815-refrasxhjb
- SHA256 147ab4d0f5817b0e9d4f1f35d14b8450c51a7d2079dc9cacb887f6909dfbe28e
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 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 10 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 7 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-15_d0323cc04b046011c5af71df918a35fb_elex_glassworm_stop_vidar.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-15_d0323cc04b046011c5af71df918a35fb_elex_glassworm_stop_vidar.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_CAABBBAAACCBAABACBBBACBBABCACCABACACCBAAAAABCBABCBAABBBACCCBCAAABAACCACBABBCCCBBBCBCACBCAAACBCAABBACCBB" /tr "C:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_AABBACBACACACBBACACCCCBCBAAABCCBBBBCCBCCCBBAACBCBCCBABB.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_CAABBBAAACCBAABACBBBACBBABCACCABACACCBAAAAABCBABCBAABBBACCCBCAAABAACCACBABBCCCBBBCBCACBCAAACBCAABBACCBB" /tr "C:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_AABBACBACACACBBACACCCCBCBAAABCCBBBBCCBCCCBBAACBCBCCBABB.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_ACACBCBCABCBBCBBCCACCBAABBACBACAABCCBBCABACBCBBBACC" binPath= "C:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_AABBACBACACACBBACACCCCBCBAAABCCBBBBCCBCCCBBAACBCBCCBABB.exe" start= auto displayName= "UserDataSvc_ACACBCBCABCBBCBBCCACCBAABBACBACAABCCBBCABACBCBBBACC"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_ACACBCBCABCBBCBBCCACCBAABBACBACAABCCBBCABACBCBBBACC" binPath= "C:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_AABBACBACACACBBACACCCCBCBAAABCCBBBBCCBCCCBBAACBCBCCBABB.exe" start= auto displayName= "UserDataSvc_ACACBCBCABCBBCBBCCACCBAABBACBACAABCCBBCABACBCBBBACC"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_ACACBCBCABCBBCBBCCACCBAABBACBACAABCCBBCABACBCBBBACC"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_ACACBCBCABCBBCBBCCACCBAABBACBACAABCCBBCABACBCBBBACC"3⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
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C:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_AABBACBACACACBBACACCCCBCBAAABCCBBBBCCBCCCBBAACBCBCCBABB.exeC:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_AABBACBACACACBBACACCCCBCBAAABCCBBBBCCBCCCBBAACBCBCCBABB.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_AACCACCCCCBAACBBCABCCBCBAACBCABABCCACAAAACBCBABCBBAAAAB.exeC:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_AACCACCCCCBAACBBCABCCBCBAACBCABABCCACAAAACBCBABCBBAAAAB.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_AABBACBACACACBBACACCCCBCBAAABCCBBBBCCBCCCBBAACBCBCCBABB.exeC:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_AABBACBACACACBBACACCCCBCBAAABCCBBBBCCBCCCBBAACBCBCCBABB.exe1⤵
- Executes dropped EXE
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
RegisterUnpublish.exe
RegisterUnpublish.exe
RegisterUnpublish.exe
RegisterUnpublish.exe
RegisterUnpublish.exe
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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_AABBACBACACACBBACACCCCBCBAAABCCBBBBCCBCCCBBAACBCBCCBABB.exe
virus_log.txt
memory/3004-48-0x0000000000C80000-0x0000000000CA1000-memory.dmp
memory/3004-107-0x0000000000C80000-0x0000000000CA1000-memory.dmp
memory/3004-70-0x0000000000C80000-0x0000000000CA1000-memory.dmp
memory/4824-99-0x0000000000F10000-0x0000000000F31000-memory.dmp
memory/5808-49-0x00000000006B0000-0x00000000006D1000-memory.dmp
memory/5808-71-0x00000000006B0000-0x00000000006D1000-memory.dmp
memory/5808-0-0x00000000006B0000-0x00000000006D1000-memory.dmp
memory/5808-23-0x00000000006B0000-0x00000000006D1000-memory.dmp
memory/5808-12-0x00000000006B0000-0x00000000006D1000-memory.dmp