Analysis
- max time kernel
150s - max time network
137s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
12/08/2026, 04:32
Static task
static1
Behavioral task
behavioral1
Sample
2026-08-12_6dd5ac0db057dec7954a5041e21c8c00_elex_wannacry.exe
Resource
win10v2004-20260513-en
General
- Target 2026-08-12_6dd5ac0db057dec7954a5041e21c8c00_elex_wannacry.exe
- Size 214KB
- Sample260812-e6grfsyepb
- SHA256 5200703a7c32b8607587188256c0d0f6636ebed0cdac3e4940b71999304fb89c
- MD5 6dd5ac0db057dec7954a5041e21c8c00
- SHA1 d3fd40f258dd6810dbb6aae33537ea4f97171350
- SHA512 709f2adcafe2bda220d4c76dc4ceee5a86ff16585c7c74ac3aa11c5c1f53f3889ccade8b4383126c1390ce13cb31d055490d95752194420457a72d9a49b4a3b1
- SSDEEP 3072:TfwwHEzrV5x5tMBql0RZ4FjCDnO8XjDDQuMHNbwDXkLh16oVHep:zwgErtcql+ZHn1PDQfwDXkN1Zo
- TLSH T13424F11B3A8189AFF00BFB7A9746F4C79BD160683F40762F034C65AE5B213CAC59516E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detects Farfli Backdoor 2 IoCs
resource yara_rule behavioral2/memory/1820-10-0x0000000010000000-0x000000001006A000-memory.dmp family_farfli behavioral2/memory/1820-13-0x0000000010000000-0x000000001006A000-memory.dmp family_farfli - Detects executables containing base64 encoded User Agent 2 IoCs
resource yara_rule behavioral2/memory/1820-10-0x0000000010000000-0x000000001006A000-memory.dmp INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent behavioral2/memory/1820-13-0x0000000010000000-0x000000001006A000-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 6 1820 rundll32.exe 8 1820 rundll32.exe 9 1820 rundll32.exe 10 1820 rundll32.exe 11 1820 rundll32.exe 12 1820 rundll32.exe 14 1820 rundll32.exe 15 1820 rundll32.exe - Deletes itself 1 IoCs
pid Process 6060 qdauqzljw.exe - Executes dropped EXE 1 IoCs
pid Process 6060 qdauqzljw.exe - Loads dropped DLL 1 IoCs
pid Process 1820 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-1-5-21-4046655672-1449839301-2197395821-1000\Software\Microsoft\Windows\CurrentVersion\Run\Dotx = "c:\\windows\\SysWOW64\\rundll32.exe \"c:\\Program Files\\wjjow\\lrwndmgs.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) \??\g: rundll32.exe File opened (read-only) \??\h: rundll32.exe File opened (read-only) \??\s: rundll32.exe File opened (read-only) \??\t: rundll32.exe File opened (read-only) \??\w: rundll32.exe File opened (read-only) \??\b: rundll32.exe File opened (read-only) \??\j: rundll32.exe File opened (read-only) \??\k: rundll32.exe File opened (read-only) \??\l: rundll32.exe File opened (read-only) \??\n: rundll32.exe File opened (read-only) \??\p: rundll32.exe File opened (read-only) \??\r: rundll32.exe File opened (read-only) \??\v: rundll32.exe File opened (read-only) \??\i: rundll32.exe File opened (read-only) \??\o: 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) \??\d: rundll32.exe File opened (read-only) \??\m: rundll32.exe File opened (read-only) \??\u: rundll32.exe File opened (read-only) \??\x: rundll32.exe File opened (read-only) \??\a: 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 1820 rundll32.exe - Drops file in Program Files directory 2 IoCs
description ioc Process File opened for modification \??\c:\Program Files\wjjow qdauqzljw.exe File created \??\c:\Program Files\wjjow\lrwndmgs.dll qdauqzljw.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 2620 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 PING.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language qdauqzljw.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2026-08-12_6dd5ac0db057dec7954a5041e21c8c00_elex_wannacry.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe - System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 2620 cmd.exe 1136 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 1136 PING.EXE - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1820 rundll32.exe 1820 rundll32.exe 1820 rundll32.exe 1820 rundll32.exe 1820 rundll32.exe 1820 rundll32.exe 1820 rundll32.exe 1820 rundll32.exe 1820 rundll32.exe 1820 rundll32.exe 1820 rundll32.exe 1820 rundll32.exe 1820 rundll32.exe 1820 rundll32.exe 1820 rundll32.exe 1820 rundll32.exe 1820 rundll32.exe 1820 rundll32.exe 1820 rundll32.exe 1820 rundll32.exe 1820 rundll32.exe 1820 rundll32.exe 1820 rundll32.exe 1820 rundll32.exe 1820 rundll32.exe 1820 rundll32.exe 1820 rundll32.exe 1820 rundll32.exe 1820 rundll32.exe 1820 rundll32.exe 1820 rundll32.exe 1820 rundll32.exe 1820 rundll32.exe 1820 rundll32.exe 1820 rundll32.exe 1820 rundll32.exe 1820 rundll32.exe 1820 rundll32.exe 1820 rundll32.exe 1820 rundll32.exe 1820 rundll32.exe 1820 rundll32.exe 1820 rundll32.exe 1820 rundll32.exe 1820 rundll32.exe 1820 rundll32.exe 1820 rundll32.exe 1820 rundll32.exe 1820 rundll32.exe 1820 rundll32.exe 1820 rundll32.exe 1820 rundll32.exe 1820 rundll32.exe 1820 rundll32.exe 1820 rundll32.exe 1820 rundll32.exe 1820 rundll32.exe 1820 rundll32.exe 1820 rundll32.exe 1820 rundll32.exe 1820 rundll32.exe 1820 rundll32.exe 1820 rundll32.exe 1820 rundll32.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1820 rundll32.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 3200 2026-08-12_6dd5ac0db057dec7954a5041e21c8c00_elex_wannacry.exe 6060 qdauqzljw.exe - Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3200 wrote to memory of 2620 3200 2026-08-12_6dd5ac0db057dec7954a5041e21c8c00_elex_wannacry.exe 89 PID 2620 wrote to memory of 1136 2620 cmd.exe 91 PID 2620 wrote to memory of 6060 2620 cmd.exe 92 PID 6060 wrote to memory of 1820 6060 qdauqzljw.exe 93
Processes
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C:\Users\Admin\AppData\Local\Temp\2026-08-12_6dd5ac0db057dec7954a5041e21c8c00_elex_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-12_6dd5ac0db057dec7954a5041e21c8c00_elex_wannacry.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3200 -
C:\Windows\SysWOW64\cmd.execmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\qdauqzljw.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-12_6dd5ac0db057dec7954a5041e21c8c00_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:2620 -
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:1136
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C:\Users\Admin\AppData\Local\Temp\qdauqzljw.exeC:\Users\Admin\AppData\Local\Temp\\qdauqzljw.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-12_6dd5ac0db057dec7954a5041e21c8c00_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:6060 -
\??\c:\windows\SysWOW64\rundll32.exec:\windows\system32\rundll32.exe "c:\Program Files\wjjow\lrwndmgs.dll",encore C:\Users\Admin\AppData\Local\Temp\qdauqzljw.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:1820
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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\qdauqzljw.exe
- Size 214KB
- SHA256 823827faeba580a1bd3ef7e77cd91690aec4a29b2637d66e434f5a7874fbee34
- MD5 ae2048d21206fbef99c856e81a6040eb
- SHA1 3e8c5ef9390d958144abfbdd7eaf28b7914288b7
- SHA512 8a3518d6f20cd3a3c1c3dd578a67241f2fbd898c8a054d5b98990e02b91e2851b495da389e907270207f00d65669ed34f25c5847b33d8fd874ee853e93003e92
- SSDEEP 3072:TfwwHEzrV5x5tMBql0RZ4FjCDnO8XjDDQuMHNbwDXkLh16oVHey:zwgErtcql+ZHn1PDQfwDXkN1Zl
- TLSH T11124F11B3A8189AFF00BFB7A9746F0C79BD164683F40762F034C65AE5B213CAC59516E
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path \??\c:\Program Files\wjjow\lrwndmgs.dll
- Size 168KB
- SHA256 f52f462d1e5e1178c5521038801a415efe81fe14627599546c4391fb3438a676
- MD5 1a21e02ee6da4e2c3b602d9fcc776865
- SHA1 c9d9d922d9bfaacc7d9ca4ab68b650114b464744
- SHA512 b9977dfb1fec72dcd4011ef53a2c1888b1c5b9e7a46915f58abce28b979cbf7c829d56a3defdce71d855aee0d91cc2230ed942804caf5301ae6ea6dd831e5bd8
- SSDEEP 3072:pH7O5yt++RbfRugmVWo4GYessewQpCpxGWUJtff+gVBLpBuyCjAyFzuW:pbay5fR5eOrixfYtff+g7LpBVCjAW
- TLSH T102F3E033F78247BAE0890375551BEC7FBC20A690833E8E2792CF519A2F156E56D5C3A1
- MD5 SHA1 SHA512 SSDEEP TLSH