Analysis
- max time kernel
150s - max time network
144s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
09/08/2026, 18:14
Static task
static1
Behavioral task
behavioral1
Sample
2026-08-09_c15a94b6e5020334108632dfd5d7fab1_elex_wannacry.exe
Resource
win10v2004-20260513-en
General
- Target 2026-08-09_c15a94b6e5020334108632dfd5d7fab1_elex_wannacry.exe
- Size 586KB
- Sample260809-wvew6atarg
- SHA256 8cf70d0c3a3cf87c6f3b8b60fb42a9ab8c317bf082c1de7ba1ce64b5d3c1fa8d
- MD5 c15a94b6e5020334108632dfd5d7fab1
- SHA1 744d1f05c5e73537ccb1ec45bd215af80e3aa957
- SHA512 caf3032ce73155581f089b4a3379fce82393de0981ef03a2908706e64b2e7fb0bb341df7c1f6fe9600fbb69fcebc59d40aa65eacfaa3fa9771cecb5c96345a13
- SSDEEP 6144:WAMejnmtYZnAmGJ/8uADNFlbF/joovD6fkjOmfPWq6da0npNuA:HMimtuAmGJ/85BbFb976s3Wq6d7npUA
- TLSH T19AD41242F592887AD43DDB34C75B8B35A3D299707A064262838CAC9FEDB9F0787053D8
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detects Farfli Backdoor 2 IoCs
resource yara_rule behavioral2/memory/2276-10-0x0000000010000000-0x0000000010090000-memory.dmp family_farfli behavioral2/memory/2276-12-0x0000000010000000-0x0000000010090000-memory.dmp family_farfli - Detects executables containing base64 encoded User Agent 2 IoCs
resource yara_rule behavioral2/memory/2276-10-0x0000000010000000-0x0000000010090000-memory.dmp INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent behavioral2/memory/2276-12-0x0000000010000000-0x0000000010090000-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 1 2276 rundll32.exe 2 2276 rundll32.exe 3 2276 rundll32.exe 4 2276 rundll32.exe 5 2276 rundll32.exe 6 2276 rundll32.exe 7 2276 rundll32.exe 8 2276 rundll32.exe - Deletes itself 1 IoCs
pid Process 2856 afbog.exe - Executes dropped EXE 1 IoCs
pid Process 2856 afbog.exe - Loads dropped DLL 1 IoCs
pid Process 2276 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-1-5-21-2115213192-531537726-3295841909-1000\Software\Microsoft\Windows\CurrentVersion\Run\Meture = "c:\\windows\\SysWOW64\\rundll32.exe \"c:\\Program Files\\ouunr\\rwgqa.dll\",Decompress" 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) \??\x: rundll32.exe File opened (read-only) \??\g: rundll32.exe File opened (read-only) \??\i: 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) \??\p: rundll32.exe File opened (read-only) \??\u: rundll32.exe File opened (read-only) \??\y: rundll32.exe File opened (read-only) \??\b: rundll32.exe File opened (read-only) \??\h: rundll32.exe File opened (read-only) \??\j: rundll32.exe File opened (read-only) \??\k: rundll32.exe File opened (read-only) \??\n: rundll32.exe File opened (read-only) \??\q: rundll32.exe File opened (read-only) \??\w: rundll32.exe File opened (read-only) \??\z: rundll32.exe File opened (read-only) \??\a: rundll32.exe File opened (read-only) \??\r: rundll32.exe File opened (read-only) \??\d: rundll32.exe File opened (read-only) \??\s: rundll32.exe File opened (read-only) \??\t: rundll32.exe File opened (read-only) \??\v: 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 2276 rundll32.exe - Drops file in Program Files directory 2 IoCs
description ioc Process File opened for modification \??\c:\Program Files\ouunr afbog.exe File created \??\c:\Program Files\ouunr\rwgqa.dll afbog.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 1944 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 2026-08-09_c15a94b6e5020334108632dfd5d7fab1_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 afbog.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 1944 cmd.exe 1536 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 1536 PING.EXE - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2276 rundll32.exe 2276 rundll32.exe 2276 rundll32.exe 2276 rundll32.exe 2276 rundll32.exe 2276 rundll32.exe 2276 rundll32.exe 2276 rundll32.exe 2276 rundll32.exe 2276 rundll32.exe 2276 rundll32.exe 2276 rundll32.exe 2276 rundll32.exe 2276 rundll32.exe 2276 rundll32.exe 2276 rundll32.exe 2276 rundll32.exe 2276 rundll32.exe 2276 rundll32.exe 2276 rundll32.exe 2276 rundll32.exe 2276 rundll32.exe 2276 rundll32.exe 2276 rundll32.exe 2276 rundll32.exe 2276 rundll32.exe 2276 rundll32.exe 2276 rundll32.exe 2276 rundll32.exe 2276 rundll32.exe 2276 rundll32.exe 2276 rundll32.exe 2276 rundll32.exe 2276 rundll32.exe 2276 rundll32.exe 2276 rundll32.exe 2276 rundll32.exe 2276 rundll32.exe 2276 rundll32.exe 2276 rundll32.exe 2276 rundll32.exe 2276 rundll32.exe 2276 rundll32.exe 2276 rundll32.exe 2276 rundll32.exe 2276 rundll32.exe 2276 rundll32.exe 2276 rundll32.exe 2276 rundll32.exe 2276 rundll32.exe 2276 rundll32.exe 2276 rundll32.exe 2276 rundll32.exe 2276 rundll32.exe 2276 rundll32.exe 2276 rundll32.exe 2276 rundll32.exe 2276 rundll32.exe 2276 rundll32.exe 2276 rundll32.exe 2276 rundll32.exe 2276 rundll32.exe 2276 rundll32.exe 2276 rundll32.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2276 rundll32.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4644 2026-08-09_c15a94b6e5020334108632dfd5d7fab1_elex_wannacry.exe 2856 afbog.exe - Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 4644 wrote to memory of 1944 4644 2026-08-09_c15a94b6e5020334108632dfd5d7fab1_elex_wannacry.exe 89 PID 1944 wrote to memory of 1536 1944 cmd.exe 91 PID 1944 wrote to memory of 2856 1944 cmd.exe 92 PID 2856 wrote to memory of 2276 2856 afbog.exe 93
Processes
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C:\Users\Admin\AppData\Local\Temp\2026-08-09_c15a94b6e5020334108632dfd5d7fab1_elex_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-09_c15a94b6e5020334108632dfd5d7fab1_elex_wannacry.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4644 -
C:\Windows\SysWOW64\cmd.execmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\afbog.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-09_c15a94b6e5020334108632dfd5d7fab1_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:1944 -
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:1536
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C:\Users\Admin\AppData\Local\Temp\afbog.exeC:\Users\Admin\AppData\Local\Temp\\afbog.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-09_c15a94b6e5020334108632dfd5d7fab1_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:2856 -
\??\c:\windows\SysWOW64\rundll32.exec:\windows\system32\rundll32.exe "c:\Program Files\ouunr\rwgqa.dll",Decompress C:\Users\Admin\AppData\Local\Temp\afbog.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:2276
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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\afbog.exe
- Size 586KB
- SHA256 5f5f31b0d792a7b02f1de039ad8d85c7a2097c737587b17a4ab4bb78febb6241
- MD5 6b8d5c8fe560967f1b24f87f57e30c8f
- SHA1 be4945b9c815072092d684faaf25707ffbe598e3
- SHA512 2e0010e73ff3af4d0625c759b8059118dcca2e25b8ed76f06f01b6e23e5b8d2df68b93c2eec3973c416885da9b6d38e1edced51334b98314cee18b21f0610fa1
- SSDEEP 6144:WAMejnmtYZnAmGJ/8uADNFlbF/joovD6fkjOmfPWq6da0npNuY:HMimtuAmGJ/85BbFb976s3Wq6d7npUY
- TLSH T1DAD41242F592887AD43DDB34C75B8B35A3D299707A064262838CAC9FEDB9F0387053D8
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path \??\c:\Program Files\ouunr\rwgqa.dll
- Size 266KB
- SHA256 16db0b11465a8befa9ec75d39bc8a7d53180c637d213fb5f9c9383f8f6d518cd
- MD5 785147cc7c11c0f0bab1dcb9cf382154
- SHA1 aa2b02582d08b0291ac23ab6abac814097ba81b1
- SHA512 dadbacf3bbc339ee581b127e1d17a9ec2b57989de1bff38a5eee0ab1b9b22b45146d320a6269cee7af64ae7ccfb8ef523f16eebaaf61fed3c7976b97ca03efa6
- SSDEEP 6144:/hJkmMlGAzciA4nhT5ai7Ohk/0BFen/xm3:/hJEQloHOXM43
- TLSH T1864422915B3E34B3FC5F2B327A77E56FFB7422342862899FC78F422165A3650101A792
- MD5 SHA1 SHA512 SSDEEP TLSH