Analysis
- max time kernel
150s - max time network
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260710-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
23/07/2026, 07:51
Static task
static1
Behavioral task
behavioral1
Sample
2026-07-23_5a25563ccd4027cd30f68a61412e48ff_elex_wannacry.exe
Resource
win10v2004-20260513-en
General
- Target 2026-07-23_5a25563ccd4027cd30f68a61412e48ff_elex_wannacry.exe
- Size 588KB
- Sample260723-jpyqvsfr8v
- SHA256 473f3e3e1045042e70d61f6c5ec7fe63a9d8ec4ff93b8afeacfddcb2fbcb7ae8
- MD5 5a25563ccd4027cd30f68a61412e48ff
- SHA1 3604ddd49ac8d63961097320184c562d2e8a42a2
- SHA512 e4b3ce0cc2783b4fd681b88bfb5cebded00e2935eda558647b9cf7fa17b149e9235afabfa6b71fcdba1655700b7fb8d45d454b7ad1560dbcb6640f1437544878
- SSDEEP 6144:WAMejnmtYZnAmGJ/8uADNFlbF/joovD6fkjOmfPWq6da0npNu:HMimtuAmGJ/85BbFb976s3Wq6d7npU
- TLSH T174D41242F59288BAD438DB34C75B8B35A3D299747A064362838D6C9FEDB9F0787053D8
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detects Farfli Backdoor 2 IoCs
resource yara_rule behavioral2/memory/5864-10-0x0000000010000000-0x0000000010090000-memory.dmp family_farfli behavioral2/memory/5864-12-0x0000000010000000-0x0000000010090000-memory.dmp family_farfli - Detects executables containing base64 encoded User Agent 2 IoCs
resource yara_rule behavioral2/memory/5864-10-0x0000000010000000-0x0000000010090000-memory.dmp INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent behavioral2/memory/5864-12-0x0000000010000000-0x0000000010090000-memory.dmp INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent - Badlisted process makes network request 8 IoCs
Network request originating from process or tool commonly abused by malware.
flow pid Process 4 5864 rundll32.exe 10 5864 rundll32.exe 11 5864 rundll32.exe 12 5864 rundll32.exe 14 5864 rundll32.exe 15 5864 rundll32.exe 17 5864 rundll32.exe 18 5864 rundll32.exe - Deletes itself 1 IoCs
pid Process 4440 qgpzonyp.exe - Executes dropped EXE 1 IoCs
pid Process 4440 qgpzonyp.exe - Loads dropped DLL 1 IoCs
pid Process 5864 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-1-5-21-2301830172-776172150-2531349243-1000\Software\Microsoft\Windows\CurrentVersion\Run\Meture = "c:\\windows\\SysWOW64\\rundll32.exe \"c:\\Program Files\\nffwp\\ybhwxkat.dll\",Decompress" 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) \??\p: rundll32.exe File opened (read-only) \??\y: rundll32.exe File opened (read-only) \??\z: rundll32.exe File opened (read-only) \??\d: rundll32.exe File opened (read-only) \??\i: rundll32.exe File opened (read-only) \??\l: rundll32.exe File opened (read-only) \??\q: rundll32.exe File opened (read-only) \??\r: rundll32.exe File opened (read-only) \??\t: rundll32.exe File opened (read-only) \??\u: rundll32.exe File opened (read-only) \??\g: rundll32.exe File opened (read-only) \??\k: rundll32.exe File opened (read-only) \??\m: rundll32.exe File opened (read-only) \??\s: rundll32.exe File opened (read-only) \??\b: rundll32.exe File opened (read-only) \??\j: rundll32.exe File opened (read-only) \??\n: rundll32.exe File opened (read-only) \??\v: rundll32.exe File opened (read-only) \??\w: rundll32.exe File opened (read-only) \??\x: rundll32.exe File opened (read-only) \??\a: rundll32.exe File opened (read-only) \??\h: rundll32.exe File opened (read-only) \??\o: 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 - Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 5864 rundll32.exe - Drops file in Program Files directory 2 IoCs
description ioc Process File opened for modification \??\c:\Program Files\nffwp qgpzonyp.exe File created \??\c:\Program Files\nffwp\ybhwxkat.dll qgpzonyp.exe - 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 3628 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 2026-07-23_5a25563ccd4027cd30f68a61412e48ff_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 qgpzonyp.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 3628 cmd.exe 4628 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 4628 PING.EXE - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 5864 rundll32.exe 5864 rundll32.exe 5864 rundll32.exe 5864 rundll32.exe 5864 rundll32.exe 5864 rundll32.exe 5864 rundll32.exe 5864 rundll32.exe 5864 rundll32.exe 5864 rundll32.exe 5864 rundll32.exe 5864 rundll32.exe 5864 rundll32.exe 5864 rundll32.exe 5864 rundll32.exe 5864 rundll32.exe 5864 rundll32.exe 5864 rundll32.exe 5864 rundll32.exe 5864 rundll32.exe 5864 rundll32.exe 5864 rundll32.exe 5864 rundll32.exe 5864 rundll32.exe 5864 rundll32.exe 5864 rundll32.exe 5864 rundll32.exe 5864 rundll32.exe 5864 rundll32.exe 5864 rundll32.exe 5864 rundll32.exe 5864 rundll32.exe 5864 rundll32.exe 5864 rundll32.exe 5864 rundll32.exe 5864 rundll32.exe 5864 rundll32.exe 5864 rundll32.exe 5864 rundll32.exe 5864 rundll32.exe 5864 rundll32.exe 5864 rundll32.exe 5864 rundll32.exe 5864 rundll32.exe 5864 rundll32.exe 5864 rundll32.exe 5864 rundll32.exe 5864 rundll32.exe 5864 rundll32.exe 5864 rundll32.exe 5864 rundll32.exe 5864 rundll32.exe 5864 rundll32.exe 5864 rundll32.exe 5864 rundll32.exe 5864 rundll32.exe 5864 rundll32.exe 5864 rundll32.exe 5864 rundll32.exe 5864 rundll32.exe 5864 rundll32.exe 5864 rundll32.exe 5864 rundll32.exe 5864 rundll32.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 5864 rundll32.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 3576 2026-07-23_5a25563ccd4027cd30f68a61412e48ff_elex_wannacry.exe 4440 qgpzonyp.exe - Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3576 wrote to memory of 3628 3576 2026-07-23_5a25563ccd4027cd30f68a61412e48ff_elex_wannacry.exe 89 PID 3628 wrote to memory of 4628 3628 cmd.exe 91 PID 3628 wrote to memory of 4440 3628 cmd.exe 92 PID 4440 wrote to memory of 5864 4440 qgpzonyp.exe 93
Processes
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C:\Users\Admin\AppData\Local\Temp\2026-07-23_5a25563ccd4027cd30f68a61412e48ff_elex_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-23_5a25563ccd4027cd30f68a61412e48ff_elex_wannacry.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3576 -
C:\Windows\SysWOW64\cmd.execmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\qgpzonyp.exe "C:\Users\Admin\AppData\Local\Temp\2026-07-23_5a25563ccd4027cd30f68a61412e48ff_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:3628 -
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:4628
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C:\Users\Admin\AppData\Local\Temp\qgpzonyp.exeC:\Users\Admin\AppData\Local\Temp\\qgpzonyp.exe "C:\Users\Admin\AppData\Local\Temp\2026-07-23_5a25563ccd4027cd30f68a61412e48ff_elex_wannacry.exe"3⤵
- Deletes itself
- Executes dropped EXE
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4440 -
\??\c:\windows\SysWOW64\rundll32.exec:\windows\system32\rundll32.exe "c:\Program Files\nffwp\ybhwxkat.dll",Decompress C:\Users\Admin\AppData\Local\Temp\qgpzonyp.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)
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5864
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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:\Users\Admin\AppData\Local\Temp\qgpzonyp.exe
- Size 589KB
- SHA256 fa66c9a3df319cd90972b8e7c582ee38f963018973e440049a936f408f9cc683
- MD5 4200a83649930d05399ff08976b2d0ed
- SHA1 194729554a45d499cd0f59eeee4d62af9ed0da16
- SHA512 f93385ea28ed540d8e25eed8e598127211bd60e510a1734c3c126b4125ec02e81a97685f154002add993df2b2cf1d1ed941b053bc9a19bb68cc0a5ca7b7e03f5
- SSDEEP 6144:WAMejnmtYZnAmGJ/8uADNFlbF/joovD6fkjOmfPWq6da0npNud:HMimtuAmGJ/85BbFb976s3Wq6d7npUd
- TLSH T1B5D41242F59288BAD439DB34C75B8B35E3D299747A064362838C6C9FEDA9F0787053D8
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path \??\c:\Program Files\nffwp\ybhwxkat.dll
- Size 266KB
- SHA256 5d3bc15eacb5aa38526792b5da87e2dd554ad515115c69e587ee98e1d8ca2cb7
- MD5 d2ba72b51b97dd750e5e6e7e99894e2b
- SHA1 b66514f8bd50e5637b380a18238c6ebaf51b5d3b
- SHA512 d2881fc773f18bad6c091f2a2a025df364a60f0eca59f5aa4d68bff1e8d82b0bd429a15d457a6d61ae486f2bb96107ad9a941d5e82c7e30d2a38bd5d1ae22ab8
- SSDEEP 6144:/hJkmMlGAzciA4nhT5ai7Ohk/0BFen/xmx:/hJEQloHOXM4x
- TLSH T1374422911B3E34B3FC5F2B327A77E56FFB7462342862899FC78F422165936601019792
- MD5 SHA1 SHA512 SSDEEP TLSH