Analysis
- max time kernel
149s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
07/08/2026, 10:20
Static task
static1
Behavioral task
behavioral1
Sample
2026-08-07_283dfc16d711aedb48207543a187864d_elex_wannacry.exe
Resource
win10v2004-20260513-en
General
- Target 2026-08-07_283dfc16d711aedb48207543a187864d_elex_wannacry.exe
- Size 212KB
- Sample260807-mc8bbasgnb
- SHA256 d994ccb815d675345c91c45f47b1a236d03478ddccaa58e15157b26b34f3185c
- MD5 283dfc16d711aedb48207543a187864d
- SHA1 c0f7d3d5361210f07bfad36be44df893fce152a4
- SHA512 a83a2d9b80e2f0e0f56a76b0fd5de9988caf976bf5aea6ca75aee282d210111379c8420efbf8eb35cc56499c99b7e0a0164c09298cfdd1ef2da864a30cbdf00a
- SSDEEP 3072:TfwwHEzrV5x5tMBql0RZ4FjCDnO8XjDDQuMHNbwDXkLh16oVHeP:zwgErtcql+ZHn1PDQfwDXkN1ZQ
- TLSH T11324F1173A8189AFF00BFB7A9746F4C78BD164283F40762F038C699E5B217CAC59616D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detects Farfli Backdoor 2 IoCs
resource yara_rule behavioral1/memory/3504-12-0x0000000010000000-0x000000001006A000-memory.dmp family_farfli behavioral1/memory/3504-14-0x0000000010000000-0x000000001006A000-memory.dmp family_farfli - Detects executables containing base64 encoded User Agent 2 IoCs
resource yara_rule behavioral1/memory/3504-12-0x0000000010000000-0x000000001006A000-memory.dmp INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent behavioral1/memory/3504-14-0x0000000010000000-0x000000001006A000-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 3 3504 rundll32.exe 8 3504 rundll32.exe 9 3504 rundll32.exe 10 3504 rundll32.exe 26 3504 rundll32.exe 32 3504 rundll32.exe 42 3504 rundll32.exe 51 3504 rundll32.exe - Deletes itself 1 IoCs
pid Process 2096 izgdxo.exe - Executes dropped EXE 1 IoCs
pid Process 2096 izgdxo.exe - Loads dropped DLL 1 IoCs
pid Process 3504 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-1-5-21-540052884-2969440504-464782435-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Dotx = "c:\\windows\\SysWOW64\\rundll32.exe \"c:\\Program Files\\cmqbrbp\\dgwbub.dll\",encore" 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) \??\i: rundll32.exe File opened (read-only) \??\o: rundll32.exe File opened (read-only) \??\r: rundll32.exe File opened (read-only) \??\y: rundll32.exe File opened (read-only) \??\k: rundll32.exe File opened (read-only) \??\s: rundll32.exe File opened (read-only) \??\w: rundll32.exe File opened (read-only) \??\h: rundll32.exe File opened (read-only) \??\l: rundll32.exe File opened (read-only) \??\q: rundll32.exe File opened (read-only) \??\t: rundll32.exe File opened (read-only) \??\u: rundll32.exe File opened (read-only) \??\x: rundll32.exe File opened (read-only) \??\z: rundll32.exe File opened (read-only) \??\j: rundll32.exe File opened (read-only) \??\m: rundll32.exe File opened (read-only) \??\n: rundll32.exe File opened (read-only) \??\p: rundll32.exe File opened (read-only) \??\v: rundll32.exe File opened (read-only) \??\a: rundll32.exe File opened (read-only) \??\b: rundll32.exe File opened (read-only) \??\e: 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 - Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 3504 rundll32.exe - Drops file in Program Files directory 2 IoCs
description ioc Process File opened for modification \??\c:\Program Files\cmqbrbp izgdxo.exe File created \??\c:\Program Files\cmqbrbp\dgwbub.dll izgdxo.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 3960 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 rundll32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2026-08-07_283dfc16d711aedb48207543a187864d_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 izgdxo.exe - System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 3960 cmd.exe 3236 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 3236 PING.EXE - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3504 rundll32.exe 3504 rundll32.exe 3504 rundll32.exe 3504 rundll32.exe 3504 rundll32.exe 3504 rundll32.exe 3504 rundll32.exe 3504 rundll32.exe 3504 rundll32.exe 3504 rundll32.exe 3504 rundll32.exe 3504 rundll32.exe 3504 rundll32.exe 3504 rundll32.exe 3504 rundll32.exe 3504 rundll32.exe 3504 rundll32.exe 3504 rundll32.exe 3504 rundll32.exe 3504 rundll32.exe 3504 rundll32.exe 3504 rundll32.exe 3504 rundll32.exe 3504 rundll32.exe 3504 rundll32.exe 3504 rundll32.exe 3504 rundll32.exe 3504 rundll32.exe 3504 rundll32.exe 3504 rundll32.exe 3504 rundll32.exe 3504 rundll32.exe 3504 rundll32.exe 3504 rundll32.exe 3504 rundll32.exe 3504 rundll32.exe 3504 rundll32.exe 3504 rundll32.exe 3504 rundll32.exe 3504 rundll32.exe 3504 rundll32.exe 3504 rundll32.exe 3504 rundll32.exe 3504 rundll32.exe 3504 rundll32.exe 3504 rundll32.exe 3504 rundll32.exe 3504 rundll32.exe 3504 rundll32.exe 3504 rundll32.exe 3504 rundll32.exe 3504 rundll32.exe 3504 rundll32.exe 3504 rundll32.exe 3504 rundll32.exe 3504 rundll32.exe 3504 rundll32.exe 3504 rundll32.exe 3504 rundll32.exe 3504 rundll32.exe 3504 rundll32.exe 3504 rundll32.exe 3504 rundll32.exe 3504 rundll32.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3504 rundll32.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4368 2026-08-07_283dfc16d711aedb48207543a187864d_elex_wannacry.exe 2096 izgdxo.exe - Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 4368 wrote to memory of 3960 4368 2026-08-07_283dfc16d711aedb48207543a187864d_elex_wannacry.exe 84 PID 3960 wrote to memory of 3236 3960 cmd.exe 86 PID 3960 wrote to memory of 2096 3960 cmd.exe 87 PID 2096 wrote to memory of 3504 2096 izgdxo.exe 88
Processes
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C:\Users\Admin\AppData\Local\Temp\2026-08-07_283dfc16d711aedb48207543a187864d_elex_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-07_283dfc16d711aedb48207543a187864d_elex_wannacry.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4368 -
C:\Windows\SysWOW64\cmd.execmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\izgdxo.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-07_283dfc16d711aedb48207543a187864d_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:3960 -
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:3236
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C:\Users\Admin\AppData\Local\Temp\izgdxo.exeC:\Users\Admin\AppData\Local\Temp\\izgdxo.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-07_283dfc16d711aedb48207543a187864d_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:2096 -
\??\c:\windows\SysWOW64\rundll32.exec:\windows\system32\rundll32.exe "c:\Program Files\cmqbrbp\dgwbub.dll",encore C:\Users\Admin\AppData\Local\Temp\izgdxo.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:3504
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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\izgdxo.exe
- Size 212KB
- SHA256 3d337a174cf1ad6cfcf95d59abed144d74cdbc006ca27a0ce8156ec7dd9aa738
- MD5 6b8350aa241059091d86ad508d99e415
- SHA1 01a98d609bdc575f3904313b6bb7bb2bc218438c
- SHA512 1e5898b90a461ca104aedaea137b6a5962c590de477d7dd844a733c7b97fc5fb6feb329b020756051edbec351fc2ed80f9230212a80e749f02093420a19393a5
- SSDEEP 3072:TfwwHEzrV5x5tMBql0RZ4FjCDnO8XjDDQuMHNbwDXkLh16oVHeQ:zwgErtcql+ZHn1PDQfwDXkN1Zh
- TLSH T10D24F1173A8189AFF00BFB7A9746F4C78BD164283F40762F038C699E5B217CAC59616D
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path \??\c:\Program Files\cmqbrbp\dgwbub.dll
- Size 168KB
- SHA256 41676ad46384733c2ec23e83dad3e3837a974e1d914a7363e46a0bffaf690525
- MD5 03ffd9f6277a18837fb62c21f1369367
- SHA1 a01079a08e94d2602f2b645ac2db18f90d06489e
- SHA512 50a650f35f6db3b59f47a117f56c61618213ec62a697e7c05b82afd5469f4b0ce6a79bf26f3b980e4830f36c686bcfa65bc7339a53b6d46f15db8b2e366d5841
- SSDEEP 3072:pH7O5yt++RbfRugmVWo4GYessewQpCpxGWUJtff+gVBLpBuyCjAyFzuw:pbay5fR5eOrixfYtff+g7LpBVCjAw
- TLSH T1FDF3E133F78247BAE0890375151BEC7FBC20A690833E8E2792CF519A1F156E56D5C3A1
- MD5 SHA1 SHA512 SSDEEP TLSH