Analysis
- max time kernel
150s - max time network
125s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
27/08/2026, 05:49
General
- Target 2026-08-27_efc8d591f127ea327cda81bf6e84948b_elex_vidar_wannacry.exe
- Size 7.3MB
- Sample260827-gjedxsdn21
- SHA256 f359dddd6ab834564354326ba60bf0da7cdb7b3ad137d973c5f8e4a98b7de3d4
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\2026-08-27_efc8d591f127ea327cda81bf6e84948b_elex_vidar_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-27_efc8d591f127ea327cda81bf6e84948b_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_CACCABCABACBABBACAACCABAABCBBBBAABBAABACACACAAABABBCCBBACCCCBBCBBBBABCAAACAABAACAAABAACABACCCACABCCABCB" /tr "C:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_BBCAACABAAABBBCCBABCBBBAABBBACCCCAAACBAAACBBCBBBAABCCAA.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_CACCABCABACBABBACAACCABAABCBBBBAABBAABACACACAAABABBCCBBACCCCBBCBBBBABCAAACAABAACAAABAACABACCCACABCCABCB" /tr "C:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_BBCAACABAAABBBCCBABCBBBAABBBACCCCAAACBAAACBBCBBBAABCCAA.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_ACABCABBAAABBCCBAAAABABBCCCABACACCBACAAAAACAABACBAC" binPath= "C:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_BBCAACABAAABBBCCBABCBBBAABBBACCCCAAACBAAACBBCBBBAABCCAA.exe" start= auto displayName= "UserDataSvc_ACABCABBAAABBCCBAAAABABBCCCABACACCBACAAAAACAABACBAC"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_ACABCABBAAABBCCBAAAABABBCCCABACACCBACAAAAACAABACBAC" binPath= "C:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_BBCAACABAAABBBCCBABCBBBAABBBACCCCAAACBAAACBBCBBBAABCCAA.exe" start= auto displayName= "UserDataSvc_ACABCABBAAABBCCBAAAABABBCCCABACACCBACAAAAACAABACBAC"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_ACABCABBAAABBCCBAAAABABBCCCABACACCBACAAAAACAABACBAC"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_ACABCABBAAABBCCBAAAABABBCCCABACACCBACAAAAACAABACBAC"3⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
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C:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_BBCAACABAAABBBCCBABCBBBAABBBACCCCAAACBAAACBBCBBBAABCCAA.exeC:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_BBCAACABAAABBBCCBABCBBBAABBBACCCCAAACBAAACBBCBBBAABCCAA.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_BBBCABBBCCABAABBBAAABABBAACACCCCABCBCBACCBACCABBCBACABC.exeC:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_BBBCABBBCCABAABBBAAABABBAACACCCCABCBCBACCBACCABBCBACABC.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_BBCAACABAAABBBCCBABCBBBAABBBACCCCAAACBAAACBBCBBBAABCCAA.exeC:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_BBCAACABAAABBBCCBABCBBBAABBBACCCCAAACBAAACBBCBBBAABCCAA.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
qap`g`v~dtlq
qap`g`v~dtlq
qap`g`v~dtlq
qap`g`v~dtlq
qap`g`v~dtlq
UnregisterExpand.exe
UnregisterExpand.exe
UnregisterExpand.exe
UnregisterExpand.exe
qap`g`v~dtlq
qap`g`v~dtlq
svchost_BBCAACABAAABBBCCBABCBBBAABBBACCCCAAACBAAACBBCBBBAABCCAA.exe
virus_log.txt
virus_log.txt
memory/848-0-0x0000000000A50000-0x0000000000A71000-memory.dmp
memory/848-22-0x0000000000A50000-0x0000000000A71000-memory.dmp
memory/848-64-0x0000000000A50000-0x0000000000A71000-memory.dmp
memory/848-11-0x0000000000A50000-0x0000000000A71000-memory.dmp
memory/1472-91-0x00000000001F0000-0x0000000000211000-memory.dmp
memory/2456-99-0x0000000000C80000-0x0000000000CA1000-memory.dmp
memory/2456-45-0x0000000000C80000-0x0000000000CA1000-memory.dmp
memory/2624-2802-0x0000000000C80000-0x0000000000CA1000-memory.dmp