farfli | fd022e962e6e26efc252e25b6023d611f6eb6b362bfd822490cd19639622bc9c

Analysis

max time kernel
148s
max time network
137s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
15/09/2026, 10:26

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
2026-09-14_665bbfbdda347b2e3c4d4cc6578744b7_coinminer_elex_wannacry.exe
Size 398KB
Sample260915-mgjhratthy
SHA256 fd022e962e6e26efc252e25b6023d611f6eb6b362bfd822490cd19639622bc9c
MD5 665bbfbdda347b2e3c4d4cc6578744b7
SHA1 3f28886a5709e848128eb74c06fad2b5a1b33208
SHA512 d882ed73a93d57f5ed7f60f267afe438bb56cc94b4441c487db242b8365277c8d3472230ef7c3a12342eed542b06895f744d3d788a37098c85563d2ca87c37f8
SSDEEP 12288:zdDU6g13sJd1fm/+yb3O2js82ydU/DdKumH:zdE3sJd1fm/+yb3OYs84/JH6
TLSH
T1BF84AF01E7C341D6DE82257081FA7377B3789A4D0F12CBE3BB68EE2A6E211D1953B119
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

backdoor bootkit discovery execution farfli persistence spyware stealer

Malware Config

Signatures

Family: Farfli
Farfli is a Windows backdoor written in C++.
backdoor farfli

Detects Farfli Backdoor 3 IoCs

resource	yara_rule
behavioral2/memory/4164-11-0x0000000010000000-0x0000000010033000-memory.dmp	family_farfli
behavioral2/memory/4164-13-0x0000000010000000-0x0000000010033000-memory.dmp	family_farfli
behavioral2/memory/4164-16-0x0000000010000000-0x0000000010033000-memory.dmp	family_farfli

Detects executables containing base64 encoded User Agent 3 IoCs

resource	yara_rule
behavioral2/memory/4164-11-0x0000000010000000-0x0000000010033000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/4164-13-0x0000000010000000-0x0000000010033000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/4164-16-0x0000000010000000-0x0000000010033000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent

UPX dump on OEP (original entry point) 9 IoCs

resource	yara_rule
behavioral2/memory/3024-0-0x0000000000400000-0x0000000000471000-memory.dmp	UPX
behavioral2/memory/3024-2-0x0000000000400000-0x0000000000471000-memory.dmp	UPX
behavioral2/files/0x000c000000019cb7-3.dat	UPX
behavioral2/memory/4932-7-0x0000000000400000-0x0000000000471000-memory.dmp	UPX
behavioral2/files/0x000e00000001c51a-8.dat	UPX
behavioral2/memory/4164-10-0x0000000010000000-0x0000000010033000-memory.dmp	UPX
behavioral2/memory/4164-11-0x0000000010000000-0x0000000010033000-memory.dmp	UPX
behavioral2/memory/4164-13-0x0000000010000000-0x0000000010033000-memory.dmp	UPX
behavioral2/memory/4164-16-0x0000000010000000-0x0000000010033000-memory.dmp	UPX

Deletes itself 1 IoCs

pid	Process
4932	cmked.exe

Executes dropped EXE 2 IoCs

pid	Process
4932	cmked.exe
4164	wnelbeww.exe

Loads dropped DLL 1 IoCs

pid	Process
4164	wnelbeww.exe

Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-461973139-3212354679-1508698038-1000\Software\Microsoft\Windows\CurrentVersion\Run\VIEW = "c:\\Program Files\\ixxms\\wnelbeww.exe \"c:\\Program Files\\ixxms\\wnelbeww.dll\",Viewer"	wnelbeww.exe

Enumerates connected drives 3 TTPs 23 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\a:	wnelbeww.exe
File opened (read-only)	\??\b:	wnelbeww.exe
File opened (read-only)	\??\i:	wnelbeww.exe
File opened (read-only)	\??\m:	wnelbeww.exe
File opened (read-only)	\??\n:	wnelbeww.exe
File opened (read-only)	\??\o:	wnelbeww.exe
File opened (read-only)	\??\y:	wnelbeww.exe
File opened (read-only)	\??\d:	wnelbeww.exe
File opened (read-only)	\??\r:	wnelbeww.exe
File opened (read-only)	\??\t:	wnelbeww.exe
File opened (read-only)	\??\u:	wnelbeww.exe
File opened (read-only)	\??\w:	wnelbeww.exe
File opened (read-only)	\??\x:	wnelbeww.exe
File opened (read-only)	\??\z:	wnelbeww.exe
File opened (read-only)	\??\j:	wnelbeww.exe
File opened (read-only)	\??\p:	wnelbeww.exe
File opened (read-only)	\??\g:	wnelbeww.exe
File opened (read-only)	\??\h:	wnelbeww.exe
File opened (read-only)	\??\k:	wnelbeww.exe
File opened (read-only)	\??\l:	wnelbeww.exe
File opened (read-only)	\??\s:	wnelbeww.exe
File opened (read-only)	\??\v:	wnelbeww.exe
File opened (read-only)	\??\q:	wnelbeww.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.

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\PHYSICALDRIVE0	wnelbeww.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	\??\c:\Program Files\ixxms	cmked.exe
File created	\??\c:\Program Files\ixxms\wnelbeww.dll	cmked.exe
File created	\??\c:\Program Files\ixxms\wnelbeww.exe	cmked.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.

execution

Windows Command Shell

T1059.003

pid	Process
968	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.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-09-14_665bbfbdda347b2e3c4d4cc6578744b7_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	cmked.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wnelbeww.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
968	cmd.exe
6076	PING.EXE

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	wnelbeww.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	wnelbeww.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
6076	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4164	wnelbeww.exe
4164	wnelbeww.exe
4164	wnelbeww.exe
4164	wnelbeww.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4164	wnelbeww.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3024	2026-09-14_665bbfbdda347b2e3c4d4cc6578744b7_coinminer_elex_wannacry.exe
4932	cmked.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3024 wrote to memory of 968	3024	2026-09-14_665bbfbdda347b2e3c4d4cc6578744b7_coinminer_elex_wannacry.exe	87
PID 968 wrote to memory of 6076	968	cmd.exe	89
PID 968 wrote to memory of 4932	968	cmd.exe	90
PID 4932 wrote to memory of 4164	4932	cmked.exe	91

C:\Users\Admin\AppData\Local\Temp\2026-09-14_665bbfbdda347b2e3c4d4cc6578744b7_coinminer_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-09-14_665bbfbdda347b2e3c4d4cc6578744b7_coinminer_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3024
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\cmked.exe "C:\Users\Admin\AppData\Local\Temp\2026-09-14_665bbfbdda347b2e3c4d4cc6578744b7_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:968
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 2
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:6076
- - C:\Users\Admin\AppData\Local\Temp\cmked.exe
    C:\Users\Admin\AppData\Local\Temp\\cmked.exe "C:\Users\Admin\AppData\Local\Temp\2026-09-14_665bbfbdda347b2e3c4d4cc6578744b7_coinminer_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:4932
  - - \??\c:\Program Files\ixxms\wnelbeww.exe
      "c:\Program Files\ixxms\wnelbeww.exe" "c:\Program Files\ixxms\wnelbeww.dll",Viewer C:\Users\Admin\AppData\Local\Temp\cmked.exe
      4⤵
      Executes dropped EXE
      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:4164

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Windows Command Shell

T1059.003

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Pre-OS Boot

T1542

Bootkit

T1542.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Pre-OS Boot

T1542

Bootkit

T1542.003

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

Remote System Discovery

T1018

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

wnelbeww.exe

Path C:\Program Files\ixxms\wnelbeww.exe
Size 51KB
SHA256 ce6bb7eddc83762c708d4a41709ae00371dbdc09b2a380f28fa60b1edf917473
MD5 2e068ce2770fde8d1af4cb114b98df1f
SHA1 b6f9c2775babb025b22f915c3047aa627d07c312
SHA512 998d695eb56375e63df7db16740b89deb2cf630ccbead8bcf84a921ec6f4a4f9aef2755b703f7190f332b2008ebcc949363bcf8f392d7d07246c255b5073ed35
SSDEEP 1536:6G9yoVEpHP29I3fbcJboSUge5N+CnC/maz9Rh:8pv2mbcJboce58wvOR
TLSH
T137336C236A0A49B3DFE231780A9D7232526DD862075541F7A61057EAFD243E2EE743CF
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

cmked.exe

Path C:\Users\Admin\AppData\Local\Temp\cmked.exe
Size 398KB
SHA256 37fc23b170098703f36f48dd8a7699cd9e16460ffb26ecbcabd58a94f7a289dc
MD5 75eaeabe9b9927c3732c2a239a57972e
SHA1 7f3e4a0d483948a0e6e3de0c50239a3e3c37b31b
SHA512 243edbdf6bce87cd0c77263cf7787a475a96d618db3e5d6c8d9c65da5b618f0453ab0af1776d959fe4a6d241ed955cbe3013e975ed6752981d75e2087404fd53
SSDEEP 12288:zdDU6g13sJd1fm/+yb3O2js82ydU/DdKumH:zdE3sJd1fm/+yb3OYs84/JH6
TLSH
T12094AF01E7C341D6DE82257081FA7377B3789A4D0F12CBE3BB68EE2A6E211D1953B119
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

wnelbeww.dll

Path \??\c:\Program Files\ixxms\wnelbeww.dll
Size 89KB
SHA256 1ca2c8e1794d67d9329c4f24a2445e6fb2d1df087f5ac4db5b9505742ec01892
MD5 3ce4adb93cc5e5e5fd7ce4196ae3c761
SHA1 fbb5ddb0c29a8c764472d65ee88a0b6b50414128
SHA512 b035b72f02a3a73f4e04a2fa1656aa5fed32ccef9476f48bb653e1056cba0871c2172e2fb1e5f6e52b0915150014de487cb253cb60c102eed2fa5792fa6827dd
SSDEEP 1536:XHXqO6ZG03eyenOj9lgA/PObuTMT5NMCfL7ojaZf5aZlBlGc:M1uF6Feu2NlQOBcGc
TLSH
T18A9302C45665CD8BCCD87072727FAA4EE631D4CCB941ACB34A5E13A31A36AF3D41AB05
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/3024-0-0x0000000000400000-0x0000000000471000-memory.dmp

Download

memory/3024-2-0x0000000000400000-0x0000000000471000-memory.dmp

Download

memory/4164-10-0x0000000010000000-0x0000000010033000-memory.dmp

Download

memory/4164-11-0x0000000010000000-0x0000000010033000-memory.dmp

Download

memory/4164-13-0x0000000010000000-0x0000000010033000-memory.dmp

Download

memory/4164-16-0x0000000010000000-0x0000000010033000-memory.dmp

Download

memory/4932-7-0x0000000000400000-0x0000000000471000-memory.dmp

Download