Analysis
- max time kernel
148s - max time network
141s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
18/08/2026, 09:48
Static task
static1
Behavioral task
behavioral1
Sample
2026-08-18_d44474eb911ed792d7e7e1f9fe05d1da_elex_wannacry.exe
Resource
win10v2004-20260513-en
General
- Target 2026-08-18_d44474eb911ed792d7e7e1f9fe05d1da_elex_wannacry.exe
- Size 131KB
- Sample260818-lsvjqagd82
- SHA256 8d4016f34f3da050eed2141420ee7b6080a1b7c73e75c2797291702c7e634303
- MD5 d44474eb911ed792d7e7e1f9fe05d1da
- SHA1 4a9c9ceaf00e4cd889aae514ff871ac2b45b4145
- SHA512 528062f8824476e05cc671e0cb323c658eb11c313a61ac0349f5dc6f7c9048f0bf8d3f96774e9b444a611c48f04101ceaa117df193eae7f2e393c174003b5d07
- SSDEEP 3072:xK4RNx6nb4RoIw/XBSeral6oaE0HGnvXuEOrc0pP:xl6XYeel6GGGVOR
- TLSH T101D37C529BB189E5E0111CF4039BBB3483B5A88D3B14A763D388DF0EE52DE45DB361D9
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detects Farfli Backdoor 5 IoCs
resource yara_rule behavioral2/memory/468-10-0x0000000010000000-0x0000000010024000-memory.dmp family_farfli behavioral2/memory/468-12-0x0000000010000000-0x0000000010024000-memory.dmp family_farfli behavioral2/memory/468-13-0x0000000010000000-0x0000000010024000-memory.dmp family_farfli behavioral2/memory/468-14-0x0000000010000000-0x0000000010024000-memory.dmp family_farfli behavioral2/memory/468-17-0x0000000010000000-0x0000000010024000-memory.dmp family_farfli - Detects executables containing base64 encoded User Agent 5 IoCs
resource yara_rule behavioral2/memory/468-10-0x0000000010000000-0x0000000010024000-memory.dmp INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent behavioral2/memory/468-12-0x0000000010000000-0x0000000010024000-memory.dmp INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent behavioral2/memory/468-13-0x0000000010000000-0x0000000010024000-memory.dmp INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent behavioral2/memory/468-14-0x0000000010000000-0x0000000010024000-memory.dmp INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent behavioral2/memory/468-17-0x0000000010000000-0x0000000010024000-memory.dmp INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent - UPX dump on OEP (original entry point) 8 IoCs
resource yara_rule behavioral2/memory/4328-6-0x0000000000400000-0x0000000000417000-memory.dmp UPX behavioral2/files/0x000d00000001c607-7.dat UPX behavioral2/memory/468-9-0x0000000010000000-0x0000000010024000-memory.dmp UPX behavioral2/memory/468-10-0x0000000010000000-0x0000000010024000-memory.dmp UPX behavioral2/memory/468-12-0x0000000010000000-0x0000000010024000-memory.dmp UPX behavioral2/memory/468-13-0x0000000010000000-0x0000000010024000-memory.dmp UPX behavioral2/memory/468-14-0x0000000010000000-0x0000000010024000-memory.dmp UPX behavioral2/memory/468-17-0x0000000010000000-0x0000000010024000-memory.dmp UPX - Badlisted process makes network request 8 IoCs
Network request originating from process or tool commonly abused by malware.
flow pid Process 1 468 rundll32.exe 2 468 rundll32.exe 3 468 rundll32.exe 4 468 rundll32.exe 5 468 rundll32.exe 6 468 rundll32.exe 7 468 rundll32.exe 8 468 rundll32.exe - ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral2/files/0x000d00000001c607-7.dat acprotect - Deletes itself 1 IoCs
pid Process 4328 kipnszem.exe - Executes dropped EXE 1 IoCs
pid Process 4328 kipnszem.exe - Loads dropped DLL 1 IoCs
pid Process 468 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-1-5-21-4046655672-1449839301-2197395821-1000\Software\Microsoft\Windows\CurrentVersion\Run\EvtMgr = "c:\\windows\\SysWOW64\\rundll32.exe \"c:\\zzosd\\eyiuz.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) \??\t: rundll32.exe File opened (read-only) \??\v: rundll32.exe File opened (read-only) \??\x: rundll32.exe File opened (read-only) \??\z: rundll32.exe File opened (read-only) \??\a: rundll32.exe File opened (read-only) \??\b: rundll32.exe File opened (read-only) \??\g: rundll32.exe File opened (read-only) \??\p: rundll32.exe File opened (read-only) \??\r: rundll32.exe File opened (read-only) \??\s: rundll32.exe File opened (read-only) \??\u: rundll32.exe File opened (read-only) \??\d: rundll32.exe File opened (read-only) \??\i: rundll32.exe File opened (read-only) \??\j: rundll32.exe File opened (read-only) \??\l: rundll32.exe File opened (read-only) \??\o: rundll32.exe File opened (read-only) \??\h: rundll32.exe File opened (read-only) \??\k: rundll32.exe File opened (read-only) \??\m: rundll32.exe File opened (read-only) \??\q: rundll32.exe File opened (read-only) \??\w: rundll32.exe File opened (read-only) \??\y: rundll32.exe File opened (read-only) \??\n: 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/0x000d00000001c607-7.dat upx behavioral2/memory/468-9-0x0000000010000000-0x0000000010024000-memory.dmp upx behavioral2/memory/468-10-0x0000000010000000-0x0000000010024000-memory.dmp upx behavioral2/memory/468-12-0x0000000010000000-0x0000000010024000-memory.dmp upx behavioral2/memory/468-13-0x0000000010000000-0x0000000010024000-memory.dmp upx behavioral2/memory/468-14-0x0000000010000000-0x0000000010024000-memory.dmp upx behavioral2/memory/468-17-0x0000000010000000-0x0000000010024000-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 5636 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 2026-08-18_d44474eb911ed792d7e7e1f9fe05d1da_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 kipnszem.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 5636 cmd.exe 3700 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 3700 PING.EXE - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 468 rundll32.exe 468 rundll32.exe 468 rundll32.exe 468 rundll32.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 468 rundll32.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1416 2026-08-18_d44474eb911ed792d7e7e1f9fe05d1da_elex_wannacry.exe 4328 kipnszem.exe - Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1416 wrote to memory of 5636 1416 2026-08-18_d44474eb911ed792d7e7e1f9fe05d1da_elex_wannacry.exe 90 PID 5636 wrote to memory of 3700 5636 cmd.exe 92 PID 5636 wrote to memory of 4328 5636 cmd.exe 93 PID 4328 wrote to memory of 468 4328 kipnszem.exe 94
Processes
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C:\Users\Admin\AppData\Local\Temp\2026-08-18_d44474eb911ed792d7e7e1f9fe05d1da_elex_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-18_d44474eb911ed792d7e7e1f9fe05d1da_elex_wannacry.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1416 -
C:\Windows\SysWOW64\cmd.execmd.exe /c ping 127.0.0.1 -n 2&c:\kipnszem.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-18_d44474eb911ed792d7e7e1f9fe05d1da_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:5636 -
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:3700
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\??\c:\kipnszem.exec:\kipnszem.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-18_d44474eb911ed792d7e7e1f9fe05d1da_elex_wannacry.exe"3⤵
- Deletes itself
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4328 -
\??\c:\windows\SysWOW64\rundll32.exec:\windows\system32\rundll32.exe "c:\zzosd\eyiuz.dll",init c:\kipnszem.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:468
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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
Loading Replay Monitor...
Downloads
- Path \??\c:\kipnszem.exe
- Size 131KB
- SHA256 1cf5630075aa32eeb2516a14ec9c16d8a55b861a13935f2a161b9e07b41e2a2c
- MD5 a034c05bf07aad0f62e66a3f32e337c4
- SHA1 ea0cdda5e05a3c3086f65122b1471a8ddc72ae09
- SHA512 b33ce613d7b575254d6035691a15f5172d4af0f8abb19d36ce83bc8e389c14b3bfcac3a2ce49c19b4b17b784833a8cc46d6bc3b6d33b287d3bf142b5d38123e1
- SSDEEP 3072:xK4RNx6nb4RoIw/XBSeral6oaE0HGnvXuEOrc0pm:xl6XYeel6GGGVOY
- TLSH T1A1D37C529BB189E5E0111CF4039BBB3483B5A88D3B14A763D388DF0EE52DE45DB361D9
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path \??\c:\zzosd\eyiuz.dll
- Size 46KB
- SHA256 b6bc7902da0250f6ca920b35b222f6a0fe62102caf05d2a1722c4d3b225a0a9e
- MD5 42fe886bcb6460f7c2a46e21ecac5da6
- SHA1 7d9a1c9fe17121cf61444da965f29e974a95ede2
- SHA512 3d1a7dc1d9ca8a4376302ba20df584ad59b98e0d3b18b06b22d7f5a455833ce124e412fc1922a3b704dcbafa31987cda3115c9a71dd6299683502cebae33567c
- SSDEEP 768:P60NIyOvlPSGxZ00FBsMT0fdB5h3vU7ExCClpoduUglNgLoR/C:P6e4lP5rvz1Vd8H/C
- TLSH T10023F15733A8577BC9E621FA3263BE142B357019CB3A83545CB9B6572C21C8D927930F
- MD5 SHA1 SHA512 SSDEEP TLSH