Analysis
- max time kernel
150s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
23/04/2026, 09:47
Static task
static1
Behavioral task
behavioral1
Sample
2026-04-23_a05c24d4d143458c09ec3aa7a08a04c5_elex_wannacry.exe
Resource
win10v2004-20260130-en
General
- Target 2026-04-23_a05c24d4d143458c09ec3aa7a08a04c5_elex_wannacry.exe
- Size 220KB
- Sample260423-lskphsg13x
- SHA256 127cc5b9240c31a4846707e7a182e232a76b0e9dfa38f2757ba4d5b67291706c
- MD5 a05c24d4d143458c09ec3aa7a08a04c5
- SHA1 729f0da4a1372b509e58a6b78a967a5f7b706cb6
- SHA512 74353a779248bf276604848b36772d85eb66c26f6980347aa876efc37cdbf235300aaeba0a9c6c4fcf7bb83efbbc97f6bca480272344c7717999d9081557b990
- SSDEEP 6144:LMPTxAnyi9awI2WXyZPbwdpLr7FQXSzK:4PTPjnCCdpO
- TLSH T1DA24F111D6D6C1D9D07247FA8E3BC539CC1AAE261F0865C332563B6AA875DE1AF3102F
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detects Farfli Backdoor 6 IoCs
resource yara_rule behavioral1/memory/1248-11-0x0000000010000000-0x0000000010037000-memory.dmp family_farfli behavioral1/memory/1248-12-0x0000000010000000-0x0000000010037000-memory.dmp family_farfli behavioral1/memory/1248-13-0x0000000010000000-0x0000000010037000-memory.dmp family_farfli behavioral1/memory/1248-15-0x0000000010000000-0x0000000010037000-memory.dmp family_farfli behavioral1/memory/1248-16-0x0000000010000000-0x0000000010037000-memory.dmp family_farfli behavioral1/memory/1248-18-0x0000000010000000-0x0000000010037000-memory.dmp family_farfli - Detects executables containing base64 encoded User Agent 6 IoCs
resource yara_rule behavioral1/memory/1248-11-0x0000000010000000-0x0000000010037000-memory.dmp INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent behavioral1/memory/1248-12-0x0000000010000000-0x0000000010037000-memory.dmp INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent behavioral1/memory/1248-13-0x0000000010000000-0x0000000010037000-memory.dmp INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent behavioral1/memory/1248-15-0x0000000010000000-0x0000000010037000-memory.dmp INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent behavioral1/memory/1248-16-0x0000000010000000-0x0000000010037000-memory.dmp INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent behavioral1/memory/1248-18-0x0000000010000000-0x0000000010037000-memory.dmp INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent - Detects executables packed with VMProtect. 12 IoCs
resource yara_rule behavioral1/memory/3496-0-0x0000000000400000-0x0000000000432000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral1/memory/3496-2-0x0000000000400000-0x0000000000432000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral1/files/0x000a000000024140-4.dat INDICATOR_EXE_Packed_VMProtect behavioral1/memory/2600-7-0x0000000000400000-0x0000000000432000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral1/files/0x0008000000024316-8.dat INDICATOR_EXE_Packed_VMProtect behavioral1/memory/1248-10-0x0000000010000000-0x0000000010037000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral1/memory/1248-11-0x0000000010000000-0x0000000010037000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral1/memory/1248-12-0x0000000010000000-0x0000000010037000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral1/memory/1248-13-0x0000000010000000-0x0000000010037000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral1/memory/1248-15-0x0000000010000000-0x0000000010037000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral1/memory/1248-16-0x0000000010000000-0x0000000010037000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral1/memory/1248-18-0x0000000010000000-0x0000000010037000-memory.dmp INDICATOR_EXE_Packed_VMProtect - Badlisted process makes network request 4 IoCs
Network request originating from process or tool commonly abused by malware.
flow pid Process 3 1248 rundll32.exe 24 1248 rundll32.exe 25 1248 rundll32.exe 44 1248 rundll32.exe -
resource yara_rule behavioral1/files/0x0008000000024316-8.dat aspack_v212_v242 - Deletes itself 1 IoCs
pid Process 2600 tnuhj.exe - Executes dropped EXE 1 IoCs
pid Process 2600 tnuhj.exe - Loads dropped DLL 1 IoCs
pid Process 1248 rundll32.exe - Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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resource yara_rule behavioral1/files/0x0008000000024316-8.dat vmprotect behavioral1/memory/1248-10-0x0000000010000000-0x0000000010037000-memory.dmp vmprotect behavioral1/memory/1248-11-0x0000000010000000-0x0000000010037000-memory.dmp vmprotect behavioral1/memory/1248-12-0x0000000010000000-0x0000000010037000-memory.dmp vmprotect behavioral1/memory/1248-13-0x0000000010000000-0x0000000010037000-memory.dmp vmprotect behavioral1/memory/1248-15-0x0000000010000000-0x0000000010037000-memory.dmp vmprotect behavioral1/memory/1248-16-0x0000000010000000-0x0000000010037000-memory.dmp vmprotect behavioral1/memory/1248-18-0x0000000010000000-0x0000000010037000-memory.dmp vmprotect - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2714754311-527593155-1440850301-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\EvtMgr = "c:\\windows\\SysWOW64\\rundll32.exe \"c:\\uyknijkhv\\hvnvpofbd.vvh\",Exit" 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) \??\a: rundll32.exe File opened (read-only) \??\p: rundll32.exe File opened (read-only) \??\s: rundll32.exe File opened (read-only) \??\u: rundll32.exe File opened (read-only) \??\b: rundll32.exe File opened (read-only) \??\e: rundll32.exe File opened (read-only) \??\k: rundll32.exe File opened (read-only) \??\l: rundll32.exe File opened (read-only) \??\m: rundll32.exe File opened (read-only) \??\o: rundll32.exe File opened (read-only) \??\i: rundll32.exe File opened (read-only) \??\j: rundll32.exe File opened (read-only) \??\n: rundll32.exe File opened (read-only) \??\q: rundll32.exe File opened (read-only) \??\y: rundll32.exe File opened (read-only) \??\z: rundll32.exe File opened (read-only) \??\g: rundll32.exe File opened (read-only) \??\h: rundll32.exe File opened (read-only) \??\r: rundll32.exe File opened (read-only) \??\t: rundll32.exe File opened (read-only) \??\v: rundll32.exe File opened (read-only) \??\w: rundll32.exe File opened (read-only) \??\x: 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 - 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 tnuhj.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2026-04-23_a05c24d4d143458c09ec3aa7a08a04c5_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 - System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 4084 cmd.exe 3372 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 3372 PING.EXE - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1248 rundll32.exe 1248 rundll32.exe 1248 rundll32.exe 1248 rundll32.exe 1248 rundll32.exe 1248 rundll32.exe 1248 rundll32.exe 1248 rundll32.exe 1248 rundll32.exe 1248 rundll32.exe 1248 rundll32.exe 1248 rundll32.exe 1248 rundll32.exe 1248 rundll32.exe 1248 rundll32.exe 1248 rundll32.exe 1248 rundll32.exe 1248 rundll32.exe 1248 rundll32.exe 1248 rundll32.exe 1248 rundll32.exe 1248 rundll32.exe 1248 rundll32.exe 1248 rundll32.exe 1248 rundll32.exe 1248 rundll32.exe 1248 rundll32.exe 1248 rundll32.exe 1248 rundll32.exe 1248 rundll32.exe 1248 rundll32.exe 1248 rundll32.exe 1248 rundll32.exe 1248 rundll32.exe 1248 rundll32.exe 1248 rundll32.exe 1248 rundll32.exe 1248 rundll32.exe 1248 rundll32.exe 1248 rundll32.exe 1248 rundll32.exe 1248 rundll32.exe 1248 rundll32.exe 1248 rundll32.exe 1248 rundll32.exe 1248 rundll32.exe 1248 rundll32.exe 1248 rundll32.exe 1248 rundll32.exe 1248 rundll32.exe 1248 rundll32.exe 1248 rundll32.exe 1248 rundll32.exe 1248 rundll32.exe 1248 rundll32.exe 1248 rundll32.exe 1248 rundll32.exe 1248 rundll32.exe 1248 rundll32.exe 1248 rundll32.exe 1248 rundll32.exe 1248 rundll32.exe 1248 rundll32.exe 1248 rundll32.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1248 rundll32.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 3496 2026-04-23_a05c24d4d143458c09ec3aa7a08a04c5_elex_wannacry.exe 2600 tnuhj.exe - Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3496 wrote to memory of 4084 3496 2026-04-23_a05c24d4d143458c09ec3aa7a08a04c5_elex_wannacry.exe 84 PID 4084 wrote to memory of 3372 4084 cmd.exe 86 PID 4084 wrote to memory of 2600 4084 cmd.exe 87 PID 2600 wrote to memory of 1248 2600 tnuhj.exe 88
Processes
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C:\Users\Admin\AppData\Local\Temp\2026-04-23_a05c24d4d143458c09ec3aa7a08a04c5_elex_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-04-23_a05c24d4d143458c09ec3aa7a08a04c5_elex_wannacry.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3496 -
C:\Windows\SysWOW64\cmd.execmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\tnuhj.exe "C:\Users\Admin\AppData\Local\Temp\2026-04-23_a05c24d4d143458c09ec3aa7a08a04c5_elex_wannacry.exe"2⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:4084 -
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:3372
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C:\Users\Admin\AppData\Local\Temp\tnuhj.exeC:\Users\Admin\AppData\Local\Temp\\tnuhj.exe "C:\Users\Admin\AppData\Local\Temp\2026-04-23_a05c24d4d143458c09ec3aa7a08a04c5_elex_wannacry.exe"3⤵
- Deletes itself
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2600 -
\??\c:\windows\SysWOW64\rundll32.exec:\windows\system32\rundll32.exe "c:\uyknijkhv\hvnvpofbd.vvh",Exit C:\Users\Admin\AppData\Local\Temp\tnuhj.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:1248
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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:\Users\Admin\AppData\Local\Temp\tnuhj.exe
- Size 220KB
- SHA256 1fb3353df8878204c73ece0282649674e531dd62e463beeb064d74dfd0a6d624
- MD5 7c82ccf636d6826faa717c435225011e
- SHA1 6a3d3d066b9f5cb60aa8290102be67e392e63997
- SHA512 f552197dba4e5457ca348e738266ca93fa54316e8b2f5a487541316d32c24fe176330a65d47b5ad7b3f2c9aafb24b4e6e30846f1706f0e1f00f5e8b2044545b9
- SSDEEP 6144:LMPTxAnyi9awI2WXyZPbwdpLr7FQXSzKR:4PTPjnCCdpOT
- TLSH T15824F110D6D6C5D9D07247FA8E3BC539CC1AAE261F0865C332563B6AA875DE1AF3102F
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path \??\c:\uyknijkhv\hvnvpofbd.vvh
- Size 128KB
- SHA256 8fe1d9492012107c64090e2bbed51ca84f46f0828bd95b18326f776e694e3bcb
- MD5 64597ebd5759f1c96d9c89ba91e6b9ae
- SHA1 22b5c32c02e7d98384b5d364d4e88805a988e58a
- SHA512 88cf508773b316acafafc5882dd6a50f895a4f444cfa0ef25781c0c5bbd8eba69e38b777460e66ee2cb25e6c61b699b0120788e00b2a0018bc02d07d644d076f
- SSDEEP 3072:zjxNhLqeuecFnbG2BSyxqmImnttHdJOrGdnyANCfIc4wL:3xNhPlEnq2BSy4/mnTHdJOrg18l
- TLSH T1B9D301153654C57FC4FB5231C4A9DA3A8B723CA7E1264A8A71DC8E6F3D5900D8F423AC
- MD5 SHA1 SHA512 SSDEEP TLSH