Analysis
- max time kernel
150s - max time network
151s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
02/08/2026, 02:23
Static task
static1
Behavioral task
behavioral1
Sample
2026-08-02_f0d256abaa15c80d6b07acfda6dd1ea2_elex_wannacry.exe
Resource
win10v2004-20260513-en
General
- Target 2026-08-02_f0d256abaa15c80d6b07acfda6dd1ea2_elex_wannacry.exe
- Size 272KB
- Sample260802-ct89tsbh39
- SHA256 7ee3d386aebea32a54aaf4fe0b1d4c65f7d9e7a680a0fd412a3c3a4087e11028
- MD5 f0d256abaa15c80d6b07acfda6dd1ea2
- SHA1 8e5f51604d3552be7a6ccee9ee8135ca5a6b50d4
- SHA512 09979e97caf96372e3647d2c725c17571f663f253631d6fbd118e7687f078ceaa599aca2c6c6e631fe9f560660f79fda2c34977b8e8e08c6a4a9faa0d45fc52a
- SSDEEP 6144:H8AbwMmJOyOK5ZV7NHPR519jtr5a8MueZG7H4:PwVJOp8FNprdrMul7Y
- TLSH T14054CF11F621C945E4724C3177AE59288764FC19EB4CB643E3F86B0FDC2EE92A93C256
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detects Farfli Backdoor 4 IoCs
resource yara_rule behavioral2/memory/112-9-0x0000000010000000-0x000000001003D000-memory.dmp family_farfli behavioral2/memory/112-10-0x0000000010000000-0x000000001003D000-memory.dmp family_farfli behavioral2/memory/112-12-0x0000000010000000-0x000000001003D000-memory.dmp family_farfli behavioral2/memory/112-15-0x0000000010000000-0x000000001003D000-memory.dmp family_farfli - Detects executables containing base64 encoded User Agent 4 IoCs
resource yara_rule behavioral2/memory/112-9-0x0000000010000000-0x000000001003D000-memory.dmp INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent behavioral2/memory/112-10-0x0000000010000000-0x000000001003D000-memory.dmp INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent behavioral2/memory/112-12-0x0000000010000000-0x000000001003D000-memory.dmp INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent behavioral2/memory/112-15-0x0000000010000000-0x000000001003D000-memory.dmp INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent - UPX dump on OEP (original entry point) 6 IoCs
resource yara_rule behavioral2/memory/5388-6-0x0000000000400000-0x000000000043A000-memory.dmp UPX behavioral2/files/0x001e00000001c46a-7.dat UPX behavioral2/memory/112-9-0x0000000010000000-0x000000001003D000-memory.dmp UPX behavioral2/memory/112-10-0x0000000010000000-0x000000001003D000-memory.dmp UPX behavioral2/memory/112-12-0x0000000010000000-0x000000001003D000-memory.dmp UPX behavioral2/memory/112-15-0x0000000010000000-0x000000001003D000-memory.dmp UPX - Badlisted process makes network request 4 IoCs
Network request originating from process or tool commonly abused by malware.
flow pid Process 7 112 rundll32.exe 9 112 rundll32.exe 10 112 rundll32.exe 11 112 rundll32.exe - Deletes itself 1 IoCs
pid Process 5388 weesdl.exe - Executes dropped EXE 1 IoCs
pid Process 5388 weesdl.exe - Loads dropped DLL 1 IoCs
pid Process 112 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-1-5-21-189034102-168398478-1159367937-1000\Software\Microsoft\Windows\CurrentVersion\Run\EvtMgr = "c:\\windows\\SysWOW64\\rundll32.exe \"c:\\ffphqey\\pgtil.gip\",RAFlush" 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) \??\z: rundll32.exe File opened (read-only) \??\b: rundll32.exe File opened (read-only) \??\d: rundll32.exe File opened (read-only) \??\j: rundll32.exe File opened (read-only) \??\k: rundll32.exe File opened (read-only) \??\m: rundll32.exe File opened (read-only) \??\p: rundll32.exe File opened (read-only) \??\q: rundll32.exe File opened (read-only) \??\r: rundll32.exe File opened (read-only) \??\a: rundll32.exe File opened (read-only) \??\h: 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) \??\v: rundll32.exe File opened (read-only) \??\w: rundll32.exe File opened (read-only) \??\x: rundll32.exe File opened (read-only) \??\i: rundll32.exe File opened (read-only) \??\t: rundll32.exe File opened (read-only) \??\u: rundll32.exe File opened (read-only) \??\y: rundll32.exe File opened (read-only) \??\g: 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/0x001e00000001c46a-7.dat upx behavioral2/memory/112-9-0x0000000010000000-0x000000001003D000-memory.dmp upx behavioral2/memory/112-10-0x0000000010000000-0x000000001003D000-memory.dmp upx behavioral2/memory/112-12-0x0000000010000000-0x000000001003D000-memory.dmp upx behavioral2/memory/112-15-0x0000000010000000-0x000000001003D000-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 1828 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 2026-08-02_f0d256abaa15c80d6b07acfda6dd1ea2_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 weesdl.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 1828 cmd.exe 1196 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 1196 PING.EXE - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 112 rundll32.exe 112 rundll32.exe 112 rundll32.exe 112 rundll32.exe 112 rundll32.exe 112 rundll32.exe 112 rundll32.exe 112 rundll32.exe 112 rundll32.exe 112 rundll32.exe 112 rundll32.exe 112 rundll32.exe 112 rundll32.exe 112 rundll32.exe 112 rundll32.exe 112 rundll32.exe 112 rundll32.exe 112 rundll32.exe 112 rundll32.exe 112 rundll32.exe 112 rundll32.exe 112 rundll32.exe 112 rundll32.exe 112 rundll32.exe 112 rundll32.exe 112 rundll32.exe 112 rundll32.exe 112 rundll32.exe 112 rundll32.exe 112 rundll32.exe 112 rundll32.exe 112 rundll32.exe 112 rundll32.exe 112 rundll32.exe 112 rundll32.exe 112 rundll32.exe 112 rundll32.exe 112 rundll32.exe 112 rundll32.exe 112 rundll32.exe 112 rundll32.exe 112 rundll32.exe 112 rundll32.exe 112 rundll32.exe 112 rundll32.exe 112 rundll32.exe 112 rundll32.exe 112 rundll32.exe 112 rundll32.exe 112 rundll32.exe 112 rundll32.exe 112 rundll32.exe 112 rundll32.exe 112 rundll32.exe 112 rundll32.exe 112 rundll32.exe 112 rundll32.exe 112 rundll32.exe 112 rundll32.exe 112 rundll32.exe 112 rundll32.exe 112 rundll32.exe 112 rundll32.exe 112 rundll32.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 112 rundll32.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 5092 2026-08-02_f0d256abaa15c80d6b07acfda6dd1ea2_elex_wannacry.exe 5388 weesdl.exe - Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 5092 wrote to memory of 1828 5092 2026-08-02_f0d256abaa15c80d6b07acfda6dd1ea2_elex_wannacry.exe 89 PID 1828 wrote to memory of 1196 1828 cmd.exe 91 PID 1828 wrote to memory of 5388 1828 cmd.exe 92 PID 5388 wrote to memory of 112 5388 weesdl.exe 93
Processes
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C:\Users\Admin\AppData\Local\Temp\2026-08-02_f0d256abaa15c80d6b07acfda6dd1ea2_elex_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-02_f0d256abaa15c80d6b07acfda6dd1ea2_elex_wannacry.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5092 -
C:\Windows\SysWOW64\cmd.execmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\weesdl.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-02_f0d256abaa15c80d6b07acfda6dd1ea2_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:1828 -
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:1196
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C:\Users\Admin\AppData\Local\Temp\weesdl.exeC:\Users\Admin\AppData\Local\Temp\\weesdl.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-02_f0d256abaa15c80d6b07acfda6dd1ea2_elex_wannacry.exe"3⤵
- Deletes itself
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5388 -
\??\c:\windows\SysWOW64\rundll32.exec:\windows\system32\rundll32.exe "c:\ffphqey\pgtil.gip",RAFlush C:\Users\Admin\AppData\Local\Temp\weesdl.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:112
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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\weesdl.exe
- Size 272KB
- SHA256 de1dabbd2f140caf9f62e87951b0f7381bf103dd174b8719d62e12bb2530afcb
- MD5 c83e62aff07559c1fd834483858208af
- SHA1 ae6d12fb091235b8e790f7e866376ed62482aeb9
- SHA512 1cdc5f0fa65ba6415a51d529d82772138e78c772716c0897c1632b11589fa62f2a30a71d838001c7d6a75c01b880bbba46fa387c0be8a13a7a6fa84d4e92d552
- SSDEEP 6144:H8AbwMmJOyOK5ZV7NHPR519jtr5a8MueZG7HX:PwVJOp8FNprdrMul73
- TLSH T16654CF11F621C945E4724C3177AE59288764FC19EB4CB643E3F86B0FDC2EE92A93C256
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path \??\c:\ffphqey\pgtil.gip
- Size 81KB
- SHA256 2973a0957bd204e123307415bade58f84cdf272c659048a99bf42dfdb563415a
- MD5 fe3b1b222244f783fe9927ff16813c45
- SHA1 69c88427b6fe1b75b4f5dc51d7dcce1bc438de9b
- SHA512 ad16236d7b0bca4f021d031c8c75c5a339218f6e27dd8be62dfc3719cf945ba832ec6c4c04483622431ed545125415ca03a636a22b2d4f13cc9545fffbe7bd64
- SSDEEP 1536:gz2wGkhJuwe4428NPz+Sczth8kgodmbxLhevko1pLHKDwJ:gzzTw4kN7TEtmbFhebJKsJ
- TLSH T1D783AD8AEB9E4B3EE84D4633AD929D31DC27FB5526588F7A43FC102CEE46752B200107
- MD5 SHA1 SHA512 SSDEEP TLSH