Analysis
- max time kernel
149s - max time network
137s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
30/09/2026, 06:51
Static task
static1
Behavioral task
behavioral1
Sample
2026-09-30_ed97857d9f60113a37706bc5ab77eb9b_elex_wannacry.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
2026-09-30_ed97857d9f60113a37706bc5ab77eb9b_elex_wannacry.exe
Resource
win11ltsc2024-20260911-en
General
- Target 2026-09-30_ed97857d9f60113a37706bc5ab77eb9b_elex_wannacry.exe
- Size 94KB
- Sample260930-hmwytaswcs
- SHA256 04022407392ff72d59ece5553dcaaf289ab1bf56b982328a5b20db10faf04c4d
- MD5 ed97857d9f60113a37706bc5ab77eb9b
- SHA1 8e7d3844e7bdbb015deb05a4f4d7aea4cfcd3df4
- SHA512 256283a7db1025e3584e4619dc55aa1e25509a5f5da0e8f3f20af70c68e0dd201675b9e3fa68ccba744f3f6ecd3077e68bb2237c8642cefeb59b69b47a10123a
- SSDEEP 1536:SaK4RNx6nb4RoIw/vvBSxXsral6x2aE0zLve2yESXGTBcvt8UaKW40AEEo:xK4RNx6nb4RoIw/XBSeral6oaE0HGnvC
- TLSH T12393BF47ABA50DD5E1204DF401AB7B36937654892B26A787D384DE0DA43EDC0DF362CE
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detects Farfli Backdoor 5 IoCs
resource yara_rule behavioral1/memory/4816-11-0x0000000010000000-0x0000000010024000-memory.dmp family_farfli behavioral1/memory/4816-13-0x0000000010000000-0x0000000010024000-memory.dmp family_farfli behavioral1/memory/4816-14-0x0000000010000000-0x0000000010024000-memory.dmp family_farfli behavioral1/memory/4816-15-0x0000000010000000-0x0000000010024000-memory.dmp family_farfli behavioral1/memory/4816-16-0x0000000010000000-0x0000000010024000-memory.dmp family_farfli - Detects executables containing base64 encoded User Agent 5 IoCs
resource yara_rule behavioral1/memory/4816-11-0x0000000010000000-0x0000000010024000-memory.dmp INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent behavioral1/memory/4816-13-0x0000000010000000-0x0000000010024000-memory.dmp INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent behavioral1/memory/4816-14-0x0000000010000000-0x0000000010024000-memory.dmp INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent behavioral1/memory/4816-15-0x0000000010000000-0x0000000010024000-memory.dmp INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent behavioral1/memory/4816-16-0x0000000010000000-0x0000000010024000-memory.dmp INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent - UPX dump on OEP (original entry point) 8 IoCs
resource yara_rule behavioral1/memory/1824-7-0x0000000000400000-0x0000000000417000-memory.dmp UPX behavioral1/files/0x0009000000024303-8.dat UPX behavioral1/memory/4816-10-0x0000000010000000-0x0000000010024000-memory.dmp UPX behavioral1/memory/4816-11-0x0000000010000000-0x0000000010024000-memory.dmp UPX behavioral1/memory/4816-13-0x0000000010000000-0x0000000010024000-memory.dmp UPX behavioral1/memory/4816-14-0x0000000010000000-0x0000000010024000-memory.dmp UPX behavioral1/memory/4816-15-0x0000000010000000-0x0000000010024000-memory.dmp UPX behavioral1/memory/4816-16-0x0000000010000000-0x0000000010024000-memory.dmp UPX - Badlisted process makes network request 8 IoCs
Network request originating from process or tool commonly abused by malware.
flow pid Process 20 4816 rundll32.exe 25 4816 rundll32.exe 26 4816 rundll32.exe 27 4816 rundll32.exe 53 4816 rundll32.exe 54 4816 rundll32.exe 63 4816 rundll32.exe 64 4816 rundll32.exe - ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral1/files/0x0009000000024303-8.dat acprotect - Deletes itself 1 TTPs 1 IoCs
pid Process 1824 hjejc.exe - Executes dropped EXE 1 IoCs
pid Process 1824 hjejc.exe - Loads dropped DLL 1 IoCs
pid Process 4816 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-1-5-21-240542094-4193773837-3211495583-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\EvtMgr = "c:\\windows\\SysWOW64\\rundll32.exe \"c:\\fugvxof\\epydp.dll\",init" rundll32.exe - Enumerates connected drives 3 TTPs 24 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process 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) \??\b: rundll32.exe File opened (read-only) \??\j: rundll32.exe File opened (read-only) \??\y: rundll32.exe File opened (read-only) \??\l: rundll32.exe File opened (read-only) \??\q: rundll32.exe File opened (read-only) \??\v: rundll32.exe File opened (read-only) \??\z: rundll32.exe File opened (read-only) \??\p: rundll32.exe File opened (read-only) \??\e: rundll32.exe File opened (read-only) \??\h: rundll32.exe File opened (read-only) \??\i: rundll32.exe File opened (read-only) \??\n: rundll32.exe File opened (read-only) \??\o: rundll32.exe File opened (read-only) \??\r: rundll32.exe File opened (read-only) \??\s: rundll32.exe \??\f:\ 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) \??\t: rundll32.exe File opened (read-only) \??\u: 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 behavioral1/files/0x0009000000024303-8.dat upx behavioral1/memory/4816-10-0x0000000010000000-0x0000000010024000-memory.dmp upx behavioral1/memory/4816-11-0x0000000010000000-0x0000000010024000-memory.dmp upx behavioral1/memory/4816-13-0x0000000010000000-0x0000000010024000-memory.dmp upx behavioral1/memory/4816-14-0x0000000010000000-0x0000000010024000-memory.dmp upx behavioral1/memory/4816-15-0x0000000010000000-0x0000000010024000-memory.dmp upx behavioral1/memory/4816-16-0x0000000010000000-0x0000000010024000-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 1344 cmd.exe - Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
description ioc Process Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname rundll32.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain 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 2026-09-30_ed97857d9f60113a37706bc5ab77eb9b_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 hjejc.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 1344 cmd.exe 1924 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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString rundll32.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 rundll32.exe - Runs ping.exe 1 TTPs 1 IoCs
pid Process 1924 PING.EXE - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 4816 rundll32.exe 4816 rundll32.exe 4816 rundll32.exe 4816 rundll32.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4816 rundll32.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 752 2026-09-30_ed97857d9f60113a37706bc5ab77eb9b_elex_wannacry.exe 1824 hjejc.exe - Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 752 wrote to memory of 1344 752 2026-09-30_ed97857d9f60113a37706bc5ab77eb9b_elex_wannacry.exe 87 PID 1344 wrote to memory of 1924 1344 cmd.exe 90 PID 1344 wrote to memory of 1824 1344 cmd.exe 92 PID 1824 wrote to memory of 4816 1824 hjejc.exe 93
Processes
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C:\Users\Admin\AppData\Local\Temp\2026-09-30_ed97857d9f60113a37706bc5ab77eb9b_elex_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-09-30_ed97857d9f60113a37706bc5ab77eb9b_elex_wannacry.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:752 -
C:\Windows\SysWOW64\cmd.execmd.exe /c ping 127.0.0.1 -n 2&c:\hjejc.exe "C:\Users\Admin\AppData\Local\Temp\2026-09-30_ed97857d9f60113a37706bc5ab77eb9b_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:1344 -
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:1924
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\??\c:\hjejc.exec:\hjejc.exe "C:\Users\Admin\AppData\Local\Temp\2026-09-30_ed97857d9f60113a37706bc5ab77eb9b_elex_wannacry.exe"3⤵
- Deletes itself
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1824 -
\??\c:\windows\SysWOW64\rundll32.exec:\windows\system32\rundll32.exe "c:\fugvxof\epydp.dll",init c:\hjejc.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)
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4816
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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
1Defense Evasion
Indicator Removal
1File Deletion
1Modify Registry
1Pre-OS Boot
1Bootkit
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
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Downloads
- Path C:\hjejc.exe
- Size 94KB
- SHA256 3d03d1a60e20be37300c30e157a57a2427d5dcc836c7c57355447191b33c8458
- MD5 c11f53e208c42377da267b2beabc704b
- SHA1 f43d8f76af157693ed08048e8b63255a85af1b6f
- SHA512 085bb98af8bffe1b88e764000f5c958bc062333cab943aa8ee64310a8b3152073e60de9872f50843e6f7b638b85264b21786a7f1a39b5403a27f881b595f11f8
- SSDEEP 1536:SaK4RNx6nb4RoIw/vvBSxXsral6x2aE0zLve2yESXGTBcvt8UaKW40AEEoH:xK4RNx6nb4RoIw/XBSeral6oaE0HGnvU
- TLSH T18A93BF47ABA50DD5E1204DF401AB7B36537694892B26A787D384DE0DA43EDC0DF362CE
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path \??\c:\fugvxof\epydp.dll
- Size 46KB
- SHA256 b6bc7902da0250f6ca920b35b222f6a0fe62102caf05d2a1722c4d3b225a0a9e
- MD5 42fe886bcb6460f7c2a46e21ecac5da6
- SHA1 7d9a1c9fe17121cf61444da965f29e974a95ede2
- SHA512 3d1a7dc1d9ca8a4376302ba20df584ad59b98e0d3b18b06b22d7f5a455833ce124e412fc1922a3b704dcbafa31987cda3115c9a71dd6299683502cebae33567c
- SSDEEP 768:P60NIyOvlPSGxZ00FBsMT0fdB5h3vU7ExCClpoduUglNgLoR/C:P6e4lP5rvz1Vd8H/C
- TLSH T10023F15733A8577BC9E621FA3263BE142B357019CB3A83545CB9B6572C21C8D927930F
- MD5 SHA1 SHA512 SSDEEP TLSH