Analysis
- max time kernel
149s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
16/08/2026, 09:51
General
- Target 2026-08-16_cd3f8661693e1e3e52f60ca9596edc14_elex_vidar_wannacry.exe
- Size 18.6MB
- Sample260816-lvvbqsgr3s
- SHA256 4bd37d786cab3901514e77def9c2a9d5bd5135b8c4fd178cdbc4ff92aa17a65a
Malware Config
Signatures
- Creates a file in the Startup directory 1 TTPs 2 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 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 12 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 7 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2026-08-16_cd3f8661693e1e3e52f60ca9596edc14_elex_vidar_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-16_cd3f8661693e1e3e52f60ca9596edc14_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_CACBCAACBBABAAACBACCBBABAACBACBBCCCBABCBBCCCCCABCCCACCBACCACACBABBCACCBBCCCBAACBCBCBCCBCBAABBCCAAABABBC" /tr "C:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_CAABAAAACBAAABBCBBBABAAABCAACACBBBCBACCACBCBCAACCBCCACC.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_CACBCAACBBABAAACBACCBBABAACBACBBCCCBABCBBCCCCCABCCCACCBACCACACBABBCACCBBCCCBAACBCBCBCCBCBAABBCCAAABABBC" /tr "C:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_CAABAAAACBAAABBCBBBABAAABCAACACBBBCBACCACBCBCAACCBCCACC.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_CCAABBBCAABBCACBBBBBBCABCACBCBCCBBCBACBCBBBBAACCBCB" binPath= "C:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_CAABAAAACBAAABBCBBBABAAABCAACACBBBCBACCACBCBCAACCBCCACC.exe" start= auto displayName= "UserDataSvc_CCAABBBCAABBCACBBBBBBCABCACBCBCCBBCBACBCBBBBAACCBCB"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_CCAABBBCAABBCACBBBBBBCABCACBCBCCBBCBACBCBBBBAACCBCB" binPath= "C:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_CAABAAAACBAAABBCBBBABAAABCAACACBBBCBACCACBCBCAACCBCCACC.exe" start= auto displayName= "UserDataSvc_CCAABBBCAABBCACBBBBBBCABCACBCBCCBBCBACBCBBBBAACCBCB"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_CCAABBBCAABBCACBBBBBBCABCACBCBCCBBCBACBCBBBBAACCBCB"2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\sc.exesc start "UserDataSvc_CCAABBBCAABBCACBBBBBBCABCACBCBCCBBCBACBCBBBBAACCBCB"3⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
-
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C:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_CAABAAAACBAAABBCBBBABAAABCAACACBBBCBACCACBCBCAACCBCCACC.exeC:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_CAABAAAACBAAABBCBBBABAAABCAACACBBBCBACCACBCBCAACCBCCACC.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:\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_BAACBACBBAAAAACAAABAABCABCACACAACBBCBBACBBBBABACACBCAAA.exeC:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_BAACBACBBAAAAACAAABAABCABCACACAACBBCBBACBBBBABACACBCAAA.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_CAABAAAACBAAABBCBBBABAAABCAACACBBBCBACCACBCBCAACCBCCACC.exeC:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_CAABAAAACBAAABBCBBBABAAABCAACACBBBCBACCACBCBCAACCBCCACC.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
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Downloads
qap`g`v~dtlq
setup.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
qap`g`v~dtlq
svchost_CAABAAAACBAAABBCBBBABAAABCAACACBBBCBACCACBCBCAACCBCCACC.exe
virus_log.txt
virus_log.txt
memory/1776-35-0x0000000000BC0000-0x0000000000BE1000-memory.dmp
memory/1776-25-0x0000000000BC0000-0x0000000000BE1000-memory.dmp
memory/2624-6-0x0000000000040000-0x0000000000061000-memory.dmp
memory/3428-87-0x0000000000BC0000-0x0000000000BE1000-memory.dmp
memory/3428-3006-0x0000000000BC0000-0x0000000000BE1000-memory.dmp
memory/4140-57-0x0000000005870000-0x0000000005871000-memory.dmp
memory/4600-77-0x00000000003D0000-0x00000000003F1000-memory.dmp
memory/4600-607-0x00000000003D0000-0x00000000003F1000-memory.dmp