Analysis
- max time kernel
149s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
09/08/2026, 06:27
Behavioral task
behavioral1
Sample
2026-08-09_d3e5a403de2793216ce0a0b74a13b039_coinminer_elex_wannacry.exe
Resource
win10v2004-20260513-en
General
- Target 2026-08-09_d3e5a403de2793216ce0a0b74a13b039_coinminer_elex_wannacry.exe
- Size 173KB
- Sample260809-g71xtsscpf
- SHA256 8ce3a64bb0d1a05d3af673aa5feacb6b6e1e8112453d3ab5f728855bcad4d49a
- MD5 d3e5a403de2793216ce0a0b74a13b039
- SHA1 5a0f5fac32253ca90d9cfed95a9f7bff751fc10e
- SHA512 b4ca16e15e833e320370185ad63eeaaaf9ed80502fea4d8df6fc115b4fa055105f56a22cb8bde821a2a034acc17cccef0752005ae04444717a6557a2774edcb3
- SSDEEP 3072:h1qLbqRhEAZqR29I5pmHr8/iOwkZ4YHvpzerWA0luLUq:h0AZ42S5pp/dWYHBAWd+
- TLSH T1DF04F101A759951AD333093F0A22527EA6BE7D344F1C75D3E7C96A2E5039FE0A62121F
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detects Farfli Backdoor 5 IoCs
resource yara_rule behavioral1/memory/2064-8-0x0000000010000000-0x000000001003A000-memory.dmp family_farfli behavioral1/memory/2064-10-0x0000000010000000-0x000000001003A000-memory.dmp family_farfli behavioral1/memory/2064-11-0x0000000010000000-0x000000001003A000-memory.dmp family_farfli behavioral1/memory/2064-12-0x0000000010000000-0x000000001003A000-memory.dmp family_farfli behavioral1/memory/2064-13-0x0000000010000000-0x000000001003A000-memory.dmp family_farfli - Detects executables containing base64 encoded User Agent 5 IoCs
resource yara_rule behavioral1/memory/2064-8-0x0000000010000000-0x000000001003A000-memory.dmp INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent behavioral1/memory/2064-10-0x0000000010000000-0x000000001003A000-memory.dmp INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent behavioral1/memory/2064-11-0x0000000010000000-0x000000001003A000-memory.dmp INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent behavioral1/memory/2064-12-0x0000000010000000-0x000000001003A000-memory.dmp INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent behavioral1/memory/2064-13-0x0000000010000000-0x000000001003A000-memory.dmp INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent - Detects executables packed with VMProtect. 5 IoCs
resource yara_rule behavioral1/memory/2064-8-0x0000000010000000-0x000000001003A000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral1/memory/2064-10-0x0000000010000000-0x000000001003A000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral1/memory/2064-11-0x0000000010000000-0x000000001003A000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral1/memory/2064-12-0x0000000010000000-0x000000001003A000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral1/memory/2064-13-0x0000000010000000-0x000000001003A000-memory.dmp INDICATOR_EXE_Packed_VMProtect - UPX dump on OEP (original entry point) 8 IoCs
resource yara_rule behavioral1/files/0x000a0000000244c1-2.dat UPX behavioral1/files/0x000900000002459f-5.dat UPX behavioral1/memory/2064-7-0x0000000010000000-0x000000001003A000-memory.dmp UPX behavioral1/memory/2064-8-0x0000000010000000-0x000000001003A000-memory.dmp UPX behavioral1/memory/2064-10-0x0000000010000000-0x000000001003A000-memory.dmp UPX behavioral1/memory/2064-11-0x0000000010000000-0x000000001003A000-memory.dmp UPX behavioral1/memory/2064-12-0x0000000010000000-0x000000001003A000-memory.dmp UPX behavioral1/memory/2064-13-0x0000000010000000-0x000000001003A000-memory.dmp UPX - Badlisted process makes network request 4 IoCs
Network request originating from process or tool commonly abused by malware.
flow pid Process 5 2064 rundll32.exe 25 2064 rundll32.exe 26 2064 rundll32.exe 55 2064 rundll32.exe - Deletes itself 1 IoCs
pid Process 3092 eyrewno.exe - Executes dropped EXE 1 IoCs
pid Process 3092 eyrewno.exe - Loads dropped DLL 1 IoCs
pid Process 2064 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-1-5-21-1074038928-2032447174-945360078-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\EvtMgr = "c:\\windows\\SysWOW64\\rundll32.exe \"c:\\gkvre\\lbtni.bnl\",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) \??\b: rundll32.exe File opened (read-only) \??\p: 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) \??\j: rundll32.exe File opened (read-only) \??\x: rundll32.exe File opened (read-only) \??\e: rundll32.exe File opened (read-only) \??\g: rundll32.exe File opened (read-only) \??\h: rundll32.exe File opened (read-only) \??\n: rundll32.exe File opened (read-only) \??\r: rundll32.exe File opened (read-only) \??\s: rundll32.exe File opened (read-only) \??\y: rundll32.exe File opened (read-only) \??\i: 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) \??\t: rundll32.exe File opened (read-only) \??\u: 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 -
resource yara_rule behavioral1/files/0x000a0000000244c1-2.dat 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 4024 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 2026-08-09_d3e5a403de2793216ce0a0b74a13b039_coinminer_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 eyrewno.exe - System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 4024 cmd.exe 4620 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 4620 PING.EXE - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2064 rundll32.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1448 2026-08-09_d3e5a403de2793216ce0a0b74a13b039_coinminer_elex_wannacry.exe 3092 eyrewno.exe - Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1448 wrote to memory of 4024 1448 2026-08-09_d3e5a403de2793216ce0a0b74a13b039_coinminer_elex_wannacry.exe 85 PID 4024 wrote to memory of 4620 4024 cmd.exe 87 PID 4024 wrote to memory of 3092 4024 cmd.exe 88 PID 3092 wrote to memory of 2064 3092 eyrewno.exe 89
Processes
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C:\Users\Admin\AppData\Local\Temp\2026-08-09_d3e5a403de2793216ce0a0b74a13b039_coinminer_elex_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-09_d3e5a403de2793216ce0a0b74a13b039_coinminer_elex_wannacry.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1448 -
C:\Windows\SysWOW64\cmd.execmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\eyrewno.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-09_d3e5a403de2793216ce0a0b74a13b039_coinminer_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:4024 -
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:4620
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C:\Users\Admin\AppData\Local\Temp\eyrewno.exeC:\Users\Admin\AppData\Local\Temp\\eyrewno.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-09_d3e5a403de2793216ce0a0b74a13b039_coinminer_elex_wannacry.exe"3⤵
- Deletes itself
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3092 -
\??\c:\windows\SysWOW64\rundll32.exec:\windows\system32\rundll32.exe "c:\gkvre\lbtni.bnl",Exit C:\Users\Admin\AppData\Local\Temp\eyrewno.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:2064
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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\eyrewno.exe
- Size 173KB
- SHA256 d210ee2128c485c3bf99b52b48a933b8ad661f1141e112d747df71f754ae4863
- MD5 6efa16896d3aa0d5f28be82fe90a02ee
- SHA1 a57118c0e71286dcb3072a42c70f65c080191eab
- SHA512 9cd464be8aea3477b9abaad843841da418d01c32d0a57d04f96cee859eae6261d00ebd7c44bcdfe7da9f7f5382c7c458d52251411034b28594ad9f0858f73d9a
- SSDEEP 3072:h1qLbqRhEAZqR29I5pmHr8/iOwkZ4YHvpzerWA0luLUqN:h0AZ42S5pp/dWYHBAWd+N
- TLSH T16004F101A759951AD333093F0A22127EA6BD7D344F1C75D3E7C9AA2E5039FE0B62121F
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path \??\c:\gkvre\lbtni.bnl
- Size 116KB
- SHA256 53a1a5f96fce740b377bb053a358c0a50c63dfafddb8925d9aca66c852420872
- MD5 f05a84544193f908045a170532883815
- SHA1 3ad06ef6cc572a5e363d7fe05dcde5e646445994
- SHA512 eda15ad3d6656a0146fd9476b205d1aefb7f4f6ecd1ea73b46b39157bb62f99d531114fc5ea32de485382577a7cbff4ae0edd4efdab1706c9840a9d165bac2ff
- SSDEEP 3072:fCp96vhbrOz3bCMqKZ0V4Slz+n14q1/Jo5z5i4:6p961rOrDrZddJoz5i4
- TLSH T170C302D9B720C9EDC7E2727884BF6271170B908E4879D22F6CEEF89294711D0F0425B6
- MD5 SHA1 SHA512 SSDEEP TLSH