Analysis
- max time kernel
148s - max time network
138s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
09/08/2026, 11:06
Static task
static1
Behavioral task
behavioral1
Sample
2026-08-09_84f28f1c0e53d58361cb7ce80761b67f_elex_wannacry.exe
Resource
win10v2004-20260513-en
General
- Target 2026-08-09_84f28f1c0e53d58361cb7ce80761b67f_elex_wannacry.exe
- Size 92KB
- Sample260809-m7qprazvbt
- SHA256 deff09b1865d8a51e513de2c8314016991c7f6be86a42ae50c4403e97a25b44a
- MD5 84f28f1c0e53d58361cb7ce80761b67f
- SHA1 c68703710ec124bca44095effdf3148d2ff90b49
- SHA512 c390350eee8a2db76f3cb1798bae79a17dc76dc2893ce76f85d25ea693c234a9714a042332c118c1c05669ef15625baaefddc5fe250109e6d4f2bb4231f45b07
- SSDEEP 1536:SaK4RNx6nb4RoIw/vvBSxXsral6x2aE0zLve2yESXGTBcvt8UaKW40AEEoT:xK4RNx6nb4RoIw/XBSeral6oaE0HGnvI
- TLSH T1BD93BF47ABA54DD5E1204CF401AB7B35937694892B25A797C384DE0DA43EEC0DF362CE
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detects Farfli Backdoor 5 IoCs
resource yara_rule behavioral2/memory/2472-10-0x0000000010000000-0x0000000010024000-memory.dmp family_farfli behavioral2/memory/2472-12-0x0000000010000000-0x0000000010024000-memory.dmp family_farfli behavioral2/memory/2472-13-0x0000000010000000-0x0000000010024000-memory.dmp family_farfli behavioral2/memory/2472-14-0x0000000010000000-0x0000000010024000-memory.dmp family_farfli behavioral2/memory/2472-15-0x0000000010000000-0x0000000010024000-memory.dmp family_farfli - Detects executables containing base64 encoded User Agent 5 IoCs
resource yara_rule behavioral2/memory/2472-10-0x0000000010000000-0x0000000010024000-memory.dmp INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent behavioral2/memory/2472-12-0x0000000010000000-0x0000000010024000-memory.dmp INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent behavioral2/memory/2472-13-0x0000000010000000-0x0000000010024000-memory.dmp INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent behavioral2/memory/2472-14-0x0000000010000000-0x0000000010024000-memory.dmp INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent behavioral2/memory/2472-15-0x0000000010000000-0x0000000010024000-memory.dmp INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent - UPX dump on OEP (original entry point) 8 IoCs
resource yara_rule behavioral2/memory/5160-6-0x0000000000400000-0x0000000000417000-memory.dmp UPX behavioral2/files/0x000d00000001c5a5-7.dat UPX behavioral2/memory/2472-9-0x0000000010000000-0x0000000010024000-memory.dmp UPX behavioral2/memory/2472-10-0x0000000010000000-0x0000000010024000-memory.dmp UPX behavioral2/memory/2472-12-0x0000000010000000-0x0000000010024000-memory.dmp UPX behavioral2/memory/2472-13-0x0000000010000000-0x0000000010024000-memory.dmp UPX behavioral2/memory/2472-14-0x0000000010000000-0x0000000010024000-memory.dmp UPX behavioral2/memory/2472-15-0x0000000010000000-0x0000000010024000-memory.dmp UPX - Badlisted process makes network request 8 IoCs
Network request originating from process or tool commonly abused by malware.
flow pid Process 6 2472 rundll32.exe 8 2472 rundll32.exe 9 2472 rundll32.exe 10 2472 rundll32.exe 11 2472 rundll32.exe 13 2472 rundll32.exe 14 2472 rundll32.exe 15 2472 rundll32.exe - ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral2/files/0x000d00000001c5a5-7.dat acprotect - Deletes itself 1 IoCs
pid Process 5160 ssoca.exe - Executes dropped EXE 1 IoCs
pid Process 5160 ssoca.exe - Loads dropped DLL 1 IoCs
pid Process 2472 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-1-5-21-3989226554-2204910950-1522900112-1000\Software\Microsoft\Windows\CurrentVersion\Run\EvtMgr = "c:\\windows\\SysWOW64\\rundll32.exe \"c:\\nkhvc\\reigr.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) \??\b: rundll32.exe File opened (read-only) \??\k: rundll32.exe File opened (read-only) \??\t: rundll32.exe File opened (read-only) \??\v: rundll32.exe File opened (read-only) \??\z: rundll32.exe File opened (read-only) \??\i: rundll32.exe File opened (read-only) \??\j: rundll32.exe File opened (read-only) \??\m: rundll32.exe File opened (read-only) \??\s: rundll32.exe File opened (read-only) \??\u: rundll32.exe File opened (read-only) \??\w: rundll32.exe File opened (read-only) \??\x: rundll32.exe File opened (read-only) \??\y: rundll32.exe File opened (read-only) \??\g: rundll32.exe File opened (read-only) \??\h: rundll32.exe File opened (read-only) \??\l: rundll32.exe File opened (read-only) \??\p: rundll32.exe File opened (read-only) \??\r: rundll32.exe File opened (read-only) \??\d: rundll32.exe File opened (read-only) \??\n: rundll32.exe File opened (read-only) \??\o: rundll32.exe File opened (read-only) \??\q: 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 behavioral2/files/0x000d00000001c5a5-7.dat upx behavioral2/memory/2472-9-0x0000000010000000-0x0000000010024000-memory.dmp upx behavioral2/memory/2472-10-0x0000000010000000-0x0000000010024000-memory.dmp upx behavioral2/memory/2472-12-0x0000000010000000-0x0000000010024000-memory.dmp upx behavioral2/memory/2472-13-0x0000000010000000-0x0000000010024000-memory.dmp upx behavioral2/memory/2472-14-0x0000000010000000-0x0000000010024000-memory.dmp upx behavioral2/memory/2472-15-0x0000000010000000-0x0000000010024000-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 2948 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_84f28f1c0e53d58361cb7ce80761b67f_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 ssoca.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 2948 cmd.exe 5596 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 5596 PING.EXE - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2472 rundll32.exe 2472 rundll32.exe 2472 rundll32.exe 2472 rundll32.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2472 rundll32.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1620 2026-08-09_84f28f1c0e53d58361cb7ce80761b67f_elex_wannacry.exe 5160 ssoca.exe - Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1620 wrote to memory of 2948 1620 2026-08-09_84f28f1c0e53d58361cb7ce80761b67f_elex_wannacry.exe 89 PID 2948 wrote to memory of 5596 2948 cmd.exe 91 PID 2948 wrote to memory of 5160 2948 cmd.exe 92 PID 5160 wrote to memory of 2472 5160 ssoca.exe 93
Processes
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C:\Users\Admin\AppData\Local\Temp\2026-08-09_84f28f1c0e53d58361cb7ce80761b67f_elex_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-09_84f28f1c0e53d58361cb7ce80761b67f_elex_wannacry.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1620 -
C:\Windows\SysWOW64\cmd.execmd.exe /c ping 127.0.0.1 -n 2&c:\ssoca.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-09_84f28f1c0e53d58361cb7ce80761b67f_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:2948 -
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:5596
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\??\c:\ssoca.exec:\ssoca.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-09_84f28f1c0e53d58361cb7ce80761b67f_elex_wannacry.exe"3⤵
- Deletes itself
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5160 -
\??\c:\windows\SysWOW64\rundll32.exec:\windows\system32\rundll32.exe "c:\nkhvc\reigr.dll",init c:\ssoca.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:2472
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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:\nkhvc\reigr.dll
- Size 46KB
- SHA256 b6bc7902da0250f6ca920b35b222f6a0fe62102caf05d2a1722c4d3b225a0a9e
- MD5 42fe886bcb6460f7c2a46e21ecac5da6
- SHA1 7d9a1c9fe17121cf61444da965f29e974a95ede2
- SHA512 3d1a7dc1d9ca8a4376302ba20df584ad59b98e0d3b18b06b22d7f5a455833ce124e412fc1922a3b704dcbafa31987cda3115c9a71dd6299683502cebae33567c
- SSDEEP 768:P60NIyOvlPSGxZ00FBsMT0fdB5h3vU7ExCClpoduUglNgLoR/C:P6e4lP5rvz1Vd8H/C
- TLSH T10023F15733A8577BC9E621FA3263BE142B357019CB3A83545CB9B6572C21C8D927930F
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path \??\c:\ssoca.exe
- Size 92KB
- SHA256 3fc6ab68edebf606c60d793af76e072f2774b92b317c1cea656e66d1e68a5067
- MD5 7a50573dca2a14ab2956ce4c87d3c5e5
- SHA1 0f1d553774c8693bd75cab1f3be36ceecca45cba
- SHA512 6f197b854c54ac93d1a8807b39be4ca8d51ca4871fac4dc3685c2f30965bea1e5beb271131f6652c97b7f68ace9e7e9dc41f671653fa1712d03fee72701820a8
- SSDEEP 1536:SaK4RNx6nb4RoIw/vvBSxXsral6x2aE0zLve2yESXGTBcvt8UaKW40AEEo7:xK4RNx6nb4RoIw/XBSeral6oaE0HGnvs
- TLSH T19393BF47ABA54DD5E1205CF401AB7B35937694892B25A397C384DE0EA43EEC0DF362CE
- MD5 SHA1 SHA512 SSDEEP TLSH