Analysis
- max time kernel
150s - max time network
152s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
20/08/2026, 14:32
Behavioral task
behavioral1
Sample
2026-08-20_cb388b6f0aa66aef237e3a9470ac00e1_coinminer_elex_wannacry.exe
Resource
win10v2004-20260513-en
General
- Target 2026-08-20_cb388b6f0aa66aef237e3a9470ac00e1_coinminer_elex_wannacry.exe
- Size 169KB
- Sample260820-rwq9csdh39
- SHA256 a6ab230e4cd7980770d55937bd3da4fa8db327fbc4793aea233df7a598edd75c
- MD5 cb388b6f0aa66aef237e3a9470ac00e1
- SHA1 867920c3548e54faf7ece2136bf320c9a1346bf3
- SHA512 907c23d4447e27a8a5c981548ba8cf9c78e59494c0cb714f4792fb3be6ccf519ab191fab0f8c2382ca3a51df7c9ece4ec1abeea65237a54d1739721f77753a1f
- SSDEEP 3072:h1qLbqRhEAZqR29I5pmHr8/iOwkZ4YHvpzerWA0luLUql:h0AZ42S5pp/dWYHBAWd+l
- TLSH T1C204F141A759925AD733083F0722527DA6BEBD344B1C75D3E7C8692E9138EE0AA3121F
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detects Farfli Backdoor 5 IoCs
resource yara_rule behavioral2/memory/5692-7-0x0000000010000000-0x000000001003A000-memory.dmp family_farfli behavioral2/memory/5692-9-0x0000000010000000-0x000000001003A000-memory.dmp family_farfli behavioral2/memory/5692-10-0x0000000010000000-0x000000001003A000-memory.dmp family_farfli behavioral2/memory/5692-11-0x0000000010000000-0x000000001003A000-memory.dmp family_farfli behavioral2/memory/5692-14-0x0000000010000000-0x000000001003A000-memory.dmp family_farfli - Detects executables containing base64 encoded User Agent 5 IoCs
resource yara_rule behavioral2/memory/5692-7-0x0000000010000000-0x000000001003A000-memory.dmp INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent behavioral2/memory/5692-9-0x0000000010000000-0x000000001003A000-memory.dmp INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent behavioral2/memory/5692-10-0x0000000010000000-0x000000001003A000-memory.dmp INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent behavioral2/memory/5692-11-0x0000000010000000-0x000000001003A000-memory.dmp INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent behavioral2/memory/5692-14-0x0000000010000000-0x000000001003A000-memory.dmp INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent - Detects executables packed with VMProtect. 5 IoCs
resource yara_rule behavioral2/memory/5692-7-0x0000000010000000-0x000000001003A000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/5692-9-0x0000000010000000-0x000000001003A000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/5692-10-0x0000000010000000-0x000000001003A000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/5692-11-0x0000000010000000-0x000000001003A000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/5692-14-0x0000000010000000-0x000000001003A000-memory.dmp INDICATOR_EXE_Packed_VMProtect - UPX dump on OEP (original entry point) 8 IoCs
resource yara_rule behavioral2/files/0x00090000000068e3-1.dat UPX behavioral2/files/0x000d00000001c63c-4.dat UPX behavioral2/memory/5692-6-0x0000000010000000-0x000000001003A000-memory.dmp UPX behavioral2/memory/5692-7-0x0000000010000000-0x000000001003A000-memory.dmp UPX behavioral2/memory/5692-9-0x0000000010000000-0x000000001003A000-memory.dmp UPX behavioral2/memory/5692-10-0x0000000010000000-0x000000001003A000-memory.dmp UPX behavioral2/memory/5692-11-0x0000000010000000-0x000000001003A000-memory.dmp UPX behavioral2/memory/5692-14-0x0000000010000000-0x000000001003A000-memory.dmp UPX - Badlisted process makes network request 4 IoCs
Network request originating from process or tool commonly abused by malware.
flow pid Process 3 5692 rundll32.exe 10 5692 rundll32.exe 11 5692 rundll32.exe 13 5692 rundll32.exe - Deletes itself 1 IoCs
pid Process 5128 iktlxja.exe - Executes dropped EXE 1 IoCs
pid Process 5128 iktlxja.exe - Loads dropped DLL 1 IoCs
pid Process 5692 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-1-5-21-3986082593-3624157295-3514260330-1000\Software\Microsoft\Windows\CurrentVersion\Run\EvtMgr = "c:\\windows\\SysWOW64\\rundll32.exe \"c:\\gcbcv\\zeoig.eiz\",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) \??\w: rundll32.exe File opened (read-only) \??\y: rundll32.exe File opened (read-only) \??\j: rundll32.exe File opened (read-only) \??\m: rundll32.exe File opened (read-only) \??\o: rundll32.exe File opened (read-only) \??\v: rundll32.exe File opened (read-only) \??\a: rundll32.exe File opened (read-only) \??\h: rundll32.exe File opened (read-only) \??\i: rundll32.exe File opened (read-only) \??\p: rundll32.exe File opened (read-only) \??\r: rundll32.exe File opened (read-only) \??\u: rundll32.exe File opened (read-only) \??\g: rundll32.exe File opened (read-only) \??\n: rundll32.exe File opened (read-only) \??\t: rundll32.exe File opened (read-only) \??\x: rundll32.exe File opened (read-only) \??\z: rundll32.exe File opened (read-only) \??\b: rundll32.exe File opened (read-only) \??\d: rundll32.exe File opened (read-only) \??\k: rundll32.exe File opened (read-only) \??\l: rundll32.exe File opened (read-only) \??\q: rundll32.exe File opened (read-only) \??\s: 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 behavioral2/files/0x00090000000068e3-1.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 4072 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 2026-08-20_cb388b6f0aa66aef237e3a9470ac00e1_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 iktlxja.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 4072 cmd.exe 2972 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 2972 PING.EXE - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 5692 rundll32.exe 5692 rundll32.exe 5692 rundll32.exe 5692 rundll32.exe 5692 rundll32.exe 5692 rundll32.exe 5692 rundll32.exe 5692 rundll32.exe 5692 rundll32.exe 5692 rundll32.exe 5692 rundll32.exe 5692 rundll32.exe 5692 rundll32.exe 5692 rundll32.exe 5692 rundll32.exe 5692 rundll32.exe 5692 rundll32.exe 5692 rundll32.exe 5692 rundll32.exe 5692 rundll32.exe 5692 rundll32.exe 5692 rundll32.exe 5692 rundll32.exe 5692 rundll32.exe 5692 rundll32.exe 5692 rundll32.exe 5692 rundll32.exe 5692 rundll32.exe 5692 rundll32.exe 5692 rundll32.exe 5692 rundll32.exe 5692 rundll32.exe 5692 rundll32.exe 5692 rundll32.exe 5692 rundll32.exe 5692 rundll32.exe 5692 rundll32.exe 5692 rundll32.exe 5692 rundll32.exe 5692 rundll32.exe 5692 rundll32.exe 5692 rundll32.exe 5692 rundll32.exe 5692 rundll32.exe 5692 rundll32.exe 5692 rundll32.exe 5692 rundll32.exe 5692 rundll32.exe 5692 rundll32.exe 5692 rundll32.exe 5692 rundll32.exe 5692 rundll32.exe 5692 rundll32.exe 5692 rundll32.exe 5692 rundll32.exe 5692 rundll32.exe 5692 rundll32.exe 5692 rundll32.exe 5692 rundll32.exe 5692 rundll32.exe 5692 rundll32.exe 5692 rundll32.exe 5692 rundll32.exe 5692 rundll32.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 5692 rundll32.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1096 2026-08-20_cb388b6f0aa66aef237e3a9470ac00e1_coinminer_elex_wannacry.exe 5128 iktlxja.exe - Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1096 wrote to memory of 4072 1096 2026-08-20_cb388b6f0aa66aef237e3a9470ac00e1_coinminer_elex_wannacry.exe 89 PID 4072 wrote to memory of 2972 4072 cmd.exe 91 PID 4072 wrote to memory of 5128 4072 cmd.exe 92 PID 5128 wrote to memory of 5692 5128 iktlxja.exe 93
Processes
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C:\Users\Admin\AppData\Local\Temp\2026-08-20_cb388b6f0aa66aef237e3a9470ac00e1_coinminer_elex_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-20_cb388b6f0aa66aef237e3a9470ac00e1_coinminer_elex_wannacry.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1096 -
C:\Windows\SysWOW64\cmd.execmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\iktlxja.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-20_cb388b6f0aa66aef237e3a9470ac00e1_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:4072 -
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:2972
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C:\Users\Admin\AppData\Local\Temp\iktlxja.exeC:\Users\Admin\AppData\Local\Temp\\iktlxja.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-20_cb388b6f0aa66aef237e3a9470ac00e1_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:5128 -
\??\c:\windows\SysWOW64\rundll32.exec:\windows\system32\rundll32.exe "c:\gcbcv\zeoig.eiz",Exit C:\Users\Admin\AppData\Local\Temp\iktlxja.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:5692
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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\iktlxja.exe
- Size 170KB
- SHA256 7211e0d5d074df797ffd85f87b985cda758dea6249e75c88a58f8fb7f4d4da72
- MD5 aecb1ee44ceca57fce16b8fb4f91cd06
- SHA1 c4192e8db7d0f9562d53ec99c3d0f534d234072e
- SHA512 6f329e82fc1e560d35cb4de5fbd49faf4bb0d6aaff83fb183c19885c77be0a5f830803b67ac057dd21842316a1d7f1f69f708a5ee27622de5d425a052fe9bbfc
- SSDEEP 3072:h1qLbqRhEAZqR29I5pmHr8/iOwkZ4YHvpzerWA0luLUq2:h0AZ42S5pp/dWYHBAWd+2
- TLSH T18004E101A7599256D733093F0722527DA6BEBD344B1C75D3E7C86A2E9138FE0AA3121F
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path \??\c:\gcbcv\zeoig.eiz
- Size 116KB
- SHA256 53a1a5f96fce740b377bb053a358c0a50c63dfafddb8925d9aca66c852420872
- MD5 f05a84544193f908045a170532883815
- SHA1 3ad06ef6cc572a5e363d7fe05dcde5e646445994
- SHA512 eda15ad3d6656a0146fd9476b205d1aefb7f4f6ecd1ea73b46b39157bb62f99d531114fc5ea32de485382577a7cbff4ae0edd4efdab1706c9840a9d165bac2ff
- SSDEEP 3072:fCp96vhbrOz3bCMqKZ0V4Slz+n14q1/Jo5z5i4:6p961rOrDrZddJoz5i4
- TLSH T170C302D9B720C9EDC7E2727884BF6271170B908E4879D22F6CEEF89294711D0F0425B6
- MD5 SHA1 SHA512 SSDEEP TLSH