Analysis
- max time kernel
149s - max time network
146s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
09/08/2026, 11:01
Static task
static1
Behavioral task
behavioral1
Sample
2026-08-09_e387bc7e5791adc200774d623e7338a8_elex_wannacry.exe
Resource
win10v2004-20260513-en
General
- Target 2026-08-09_e387bc7e5791adc200774d623e7338a8_elex_wannacry.exe
- Size 91KB
- Sample260809-m4tx1awfnd
- SHA256 55da9a103d8e82ce1d5b55fff0fcfe9d1bfec1421b3a79a212e045d4dbf3cb06
- MD5 e387bc7e5791adc200774d623e7338a8
- SHA1 9c93d706ecfc14c7d71e98909a48c1b9fbf24ff1
- SHA512 e05b4f462acc7c4670abf289b2d1495b590dbc5c6364ddd91ddd1733238a328c0a4da293d63e5a7757c5ef6aecb4349b9a5eedb409abf348778b5064d44f4a46
- SSDEEP 1536:SaK4RNx6nb4RoIw/vvBSxXsral6x2aE0zLve2yESXGTBcvt8UaKW40AEEo:xK4RNx6nb4RoIw/XBSeral6oaE0HGnvC
- TLSH T1A893AE47ABA50DD5E1204DF401AB7B35937694892F25A787D388DE0EA43EDC0DB362CE
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detects Farfli Backdoor 5 IoCs
resource yara_rule behavioral1/memory/3872-11-0x0000000010000000-0x0000000010024000-memory.dmp family_farfli behavioral1/memory/3872-13-0x0000000010000000-0x0000000010024000-memory.dmp family_farfli behavioral1/memory/3872-14-0x0000000010000000-0x0000000010024000-memory.dmp family_farfli behavioral1/memory/3872-15-0x0000000010000000-0x0000000010024000-memory.dmp family_farfli behavioral1/memory/3872-16-0x0000000010000000-0x0000000010024000-memory.dmp family_farfli - Detects executables containing base64 encoded User Agent 5 IoCs
resource yara_rule behavioral1/memory/3872-11-0x0000000010000000-0x0000000010024000-memory.dmp INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent behavioral1/memory/3872-13-0x0000000010000000-0x0000000010024000-memory.dmp INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent behavioral1/memory/3872-14-0x0000000010000000-0x0000000010024000-memory.dmp INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent behavioral1/memory/3872-15-0x0000000010000000-0x0000000010024000-memory.dmp INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent behavioral1/memory/3872-16-0x0000000010000000-0x0000000010024000-memory.dmp INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent - UPX dump on OEP (original entry point) 8 IoCs
resource yara_rule behavioral1/memory/2484-7-0x0000000000400000-0x0000000000417000-memory.dmp UPX behavioral1/files/0x0007000000024274-8.dat UPX behavioral1/memory/3872-10-0x0000000010000000-0x0000000010024000-memory.dmp UPX behavioral1/memory/3872-11-0x0000000010000000-0x0000000010024000-memory.dmp UPX behavioral1/memory/3872-13-0x0000000010000000-0x0000000010024000-memory.dmp UPX behavioral1/memory/3872-14-0x0000000010000000-0x0000000010024000-memory.dmp UPX behavioral1/memory/3872-15-0x0000000010000000-0x0000000010024000-memory.dmp UPX behavioral1/memory/3872-16-0x0000000010000000-0x0000000010024000-memory.dmp UPX - Badlisted process makes network request 8 IoCs
Network request originating from process or tool commonly abused by malware.
flow pid Process 10 3872 rundll32.exe 12 3872 rundll32.exe 13 3872 rundll32.exe 14 3872 rundll32.exe 29 3872 rundll32.exe 37 3872 rundll32.exe 45 3872 rundll32.exe 53 3872 rundll32.exe - ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral1/files/0x0007000000024274-8.dat acprotect - Deletes itself 1 IoCs
pid Process 2484 lprkx.exe - Executes dropped EXE 1 IoCs
pid Process 2484 lprkx.exe - Loads dropped DLL 1 IoCs
pid Process 3872 rundll32.exe - 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 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1788976790-1541110888-1636651838-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\EvtMgr = "c:\\windows\\SysWOW64\\rundll32.exe \"c:\\vjwcn\\bqgzr.dll\",init" rundll32.exe - Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\s: rundll32.exe File opened (read-only) \??\w: rundll32.exe File opened (read-only) \??\z: rundll32.exe File opened (read-only) \??\h: rundll32.exe File opened (read-only) \??\i: rundll32.exe File opened (read-only) \??\m: rundll32.exe File opened (read-only) \??\p: rundll32.exe File opened (read-only) \??\r: rundll32.exe File opened (read-only) \??\b: rundll32.exe File opened (read-only) \??\j: rundll32.exe File opened (read-only) \??\k: rundll32.exe File opened (read-only) \??\q: rundll32.exe File opened (read-only) \??\u: rundll32.exe File opened (read-only) \??\v: rundll32.exe File opened (read-only) \??\x: rundll32.exe File opened (read-only) \??\y: rundll32.exe File opened (read-only) \??\e: rundll32.exe File opened (read-only) \??\g: rundll32.exe File opened (read-only) \??\l: rundll32.exe File opened (read-only) \??\n: rundll32.exe File opened (read-only) \??\o: rundll32.exe File opened (read-only) \??\t: rundll32.exe File opened (read-only) \??\a: rundll32.exe - Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
description ioc Process File opened for modification \??\PHYSICALDRIVE0 rundll32.exe -
resource yara_rule behavioral1/files/0x0007000000024274-8.dat upx behavioral1/memory/3872-10-0x0000000010000000-0x0000000010024000-memory.dmp upx behavioral1/memory/3872-11-0x0000000010000000-0x0000000010024000-memory.dmp upx behavioral1/memory/3872-13-0x0000000010000000-0x0000000010024000-memory.dmp upx behavioral1/memory/3872-14-0x0000000010000000-0x0000000010024000-memory.dmp upx behavioral1/memory/3872-15-0x0000000010000000-0x0000000010024000-memory.dmp upx behavioral1/memory/3872-16-0x0000000010000000-0x0000000010024000-memory.dmp upx - Executes a command shell one-liner 1 TTPs 1 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
pid Process 4120 cmd.exe - System Location Discovery: System Language Discovery 1 TTPs 5 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2026-08-09_e387bc7e5791adc200774d623e7338a8_elex_wannacry.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PING.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language lprkx.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe - System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 4120 cmd.exe 1928 PING.EXE - Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString rundll32.exe - Runs ping.exe 1 TTPs 1 IoCs
pid Process 1928 PING.EXE - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3872 rundll32.exe 3872 rundll32.exe 3872 rundll32.exe 3872 rundll32.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3872 rundll32.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1064 2026-08-09_e387bc7e5791adc200774d623e7338a8_elex_wannacry.exe 2484 lprkx.exe - Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1064 wrote to memory of 4120 1064 2026-08-09_e387bc7e5791adc200774d623e7338a8_elex_wannacry.exe 84 PID 4120 wrote to memory of 1928 4120 cmd.exe 86 PID 4120 wrote to memory of 2484 4120 cmd.exe 87 PID 2484 wrote to memory of 3872 2484 lprkx.exe 88
Processes
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C:\Users\Admin\AppData\Local\Temp\2026-08-09_e387bc7e5791adc200774d623e7338a8_elex_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-09_e387bc7e5791adc200774d623e7338a8_elex_wannacry.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1064 -
C:\Windows\SysWOW64\cmd.execmd.exe /c ping 127.0.0.1 -n 2&c:\lprkx.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-09_e387bc7e5791adc200774d623e7338a8_elex_wannacry.exe"2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:4120 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.1 -n 23⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:1928
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\??\c:\lprkx.exec:\lprkx.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-09_e387bc7e5791adc200774d623e7338a8_elex_wannacry.exe"3⤵
- Deletes itself
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2484 -
\??\c:\windows\SysWOW64\rundll32.exec:\windows\system32\rundll32.exe "c:\vjwcn\bqgzr.dll",init c:\lprkx.exe4⤵
- Badlisted process makes network request
- Loads dropped DLL
- Adds Run key to start application
- Enumerates connected drives
- Writes to the Master Boot Record (MBR)
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3872
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Network
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Pre-OS Boot
1Bootkit
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
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Downloads
- Path C:\lprkx.exe
- Size 91KB
- SHA256 cf85089555225825024f038636d8d3eb621f59a89fb9bc336dd794a4d97d951b
- MD5 1e016e6c3355ccda0b66649961e2791f
- SHA1 ed5ef0988e389e0786d701753c852e3f622c89b1
- SHA512 4ff2ed404f5ba30be0227ed77eb295b7b88368b2b2010e539f22770027b480cd12f764501ba58dacbeac64389991107df4a523b16cc66a97972fab0c2d759600
- SSDEEP 1536:SaK4RNx6nb4RoIw/vvBSxXsral6x2aE0zLve2yESXGTBcvt8UaKW40AEEoa:xK4RNx6nb4RoIw/XBSeral6oaE0HGnv7
- TLSH T1CF93AE47ABA50DD5E1204DF401AB7B35537694892F25A787D388DE0DA43EDC0DB362CE
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path \??\c:\vjwcn\bqgzr.dll
- Size 46KB
- SHA256 b6bc7902da0250f6ca920b35b222f6a0fe62102caf05d2a1722c4d3b225a0a9e
- MD5 42fe886bcb6460f7c2a46e21ecac5da6
- SHA1 7d9a1c9fe17121cf61444da965f29e974a95ede2
- SHA512 3d1a7dc1d9ca8a4376302ba20df584ad59b98e0d3b18b06b22d7f5a455833ce124e412fc1922a3b704dcbafa31987cda3115c9a71dd6299683502cebae33567c
- SSDEEP 768:P60NIyOvlPSGxZ00FBsMT0fdB5h3vU7ExCClpoduUglNgLoR/C:P6e4lP5rvz1Vd8H/C
- TLSH T10023F15733A8577BC9E621FA3263BE142B357019CB3A83545CB9B6572C21C8D927930F
- MD5 SHA1 SHA512 SSDEEP TLSH