farfli | fd022e962e6e26efc252e25b6023d611f6eb6b362bfd822490cd19639622bc9c

Analysis

max time kernel
149s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20260911-en
resource tags

arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-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 4 IoCs

resource	yara_rule
behavioral1/memory/4444-14-0x0000000010000000-0x0000000010033000-memory.dmp	family_farfli
behavioral1/memory/4444-15-0x0000000010000000-0x0000000010033000-memory.dmp	family_farfli
behavioral1/memory/4444-17-0x0000000010000000-0x0000000010033000-memory.dmp	family_farfli
behavioral1/memory/4444-20-0x0000000010000000-0x0000000010033000-memory.dmp	family_farfli

Detects executables containing base64 encoded User Agent 4 IoCs

resource	yara_rule
behavioral1/memory/4444-14-0x0000000010000000-0x0000000010033000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral1/memory/4444-15-0x0000000010000000-0x0000000010033000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral1/memory/4444-17-0x0000000010000000-0x0000000010033000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral1/memory/4444-20-0x0000000010000000-0x0000000010033000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent

UPX dump on OEP (original entry point) 9 IoCs

resource	yara_rule
behavioral1/memory/1828-0-0x0000000000400000-0x0000000000471000-memory.dmp	UPX
behavioral1/memory/1828-2-0x0000000000400000-0x0000000000471000-memory.dmp	UPX
behavioral1/files/0x00080000000233f1-4.dat	UPX
behavioral1/memory/2948-11-0x0000000000400000-0x0000000000471000-memory.dmp	UPX
behavioral1/memory/4444-14-0x0000000010000000-0x0000000010033000-memory.dmp	UPX
behavioral1/files/0x0008000000024550-13.dat	UPX
behavioral1/memory/4444-15-0x0000000010000000-0x0000000010033000-memory.dmp	UPX
behavioral1/memory/4444-17-0x0000000010000000-0x0000000010033000-memory.dmp	UPX
behavioral1/memory/4444-20-0x0000000010000000-0x0000000010033000-memory.dmp	UPX

Deletes itself 1 IoCs

pid	Process
2948	ksmdz.exe

Executes dropped EXE 2 IoCs

pid	Process
2948	ksmdz.exe
4444	znd.exe

Loads dropped DLL 1 IoCs

pid	Process
4444	znd.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-1-5-21-681733028-2344970462-962213935-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\VIEW = "c:\\Program Files\\uwghf\\znd.exe \"c:\\Program Files\\uwghf\\zndfa.dll\",Viewer"	znd.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:	znd.exe
File opened (read-only)	\??\l:	znd.exe
File opened (read-only)	\??\n:	znd.exe
File opened (read-only)	\??\y:	znd.exe
File opened (read-only)	\??\b:	znd.exe
File opened (read-only)	\??\e:	znd.exe
File opened (read-only)	\??\g:	znd.exe
File opened (read-only)	\??\h:	znd.exe
File opened (read-only)	\??\q:	znd.exe
File opened (read-only)	\??\r:	znd.exe
File opened (read-only)	\??\t:	znd.exe
File opened (read-only)	\??\w:	znd.exe
File opened (read-only)	\??\i:	znd.exe
File opened (read-only)	\??\j:	znd.exe
File opened (read-only)	\??\m:	znd.exe
File opened (read-only)	\??\o:	znd.exe
File opened (read-only)	\??\p:	znd.exe
File opened (read-only)	\??\u:	znd.exe
File opened (read-only)	\??\v:	znd.exe
File opened (read-only)	\??\x:	znd.exe
File opened (read-only)	\??\k:	znd.exe
File opened (read-only)	\??\s:	znd.exe
File opened (read-only)	\??\z:	znd.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	znd.exe

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File opened for modification	\??\c:\Program Files\uwghf	ksmdz.exe
File created	\??\c:\Program Files\uwghf\zndfa.dll	ksmdz.exe
File created	\??\c:\Program Files\uwghf\znd.exe	ksmdz.exe
File opened for modification	\??\c:\Program Files\uwghf\znd.exe	ksmdz.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
4164	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	ksmdz.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	znd.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
4164	cmd.exe
2232	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	znd.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	znd.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2232	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4444	znd.exe
4444	znd.exe
4444	znd.exe
4444	znd.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4444	znd.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1828	2026-09-14_665bbfbdda347b2e3c4d4cc6578744b7_coinminer_elex_wannacry.exe
2948	ksmdz.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1828 wrote to memory of 4164	1828	2026-09-14_665bbfbdda347b2e3c4d4cc6578744b7_coinminer_elex_wannacry.exe	85
PID 4164 wrote to memory of 2232	4164	cmd.exe	87
PID 4164 wrote to memory of 2948	4164	cmd.exe	88
PID 2948 wrote to memory of 4444	2948	ksmdz.exe	89

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:1828
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\ksmdz.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:4164
- - 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:2232
- - C:\Users\Admin\AppData\Local\Temp\ksmdz.exe
    C:\Users\Admin\AppData\Local\Temp\\ksmdz.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:2948
  - - \??\c:\Program Files\uwghf\znd.exe
      "c:\Program Files\uwghf\znd.exe" "c:\Program Files\uwghf\zndfa.dll",Viewer C:\Users\Admin\AppData\Local\Temp\ksmdz.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:4444

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

znd.exe

Path C:\Program Files\uwghf\znd.exe
Size 60KB
SHA256 6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910
MD5 889b99c52a60dd49227c5e485a016679
SHA1 8fa889e456aa646a4d0a4349977430ce5fa5e2d7
SHA512 08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641
SSDEEP 1536:H9ykYCTdiHQKrFXmw2RQln5IUmDjoX6+:HlMHprF2nRQln5I
TLSH
T127532AC2FA00C171D4A7563019778F1A5766AC13DB728ACB94B0B4A41EB3291AD3E5FF
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

zndfa.dll

Path C:\Program Files\uwghf\zndfa.dll
Size 89KB
SHA256 e59ee20d871efb539b44473f5e205d17586c338948cacbf465d6bb0ba834216b
MD5 34b8990446161da882844bd0c67cd0cf
SHA1 7956959594a7442072b6f84c019a8cd2292a5154
SHA512 ccaf09cf048b45244bf876099336b98936eec82b07eab238f9aa98a27f161320a7679b024b9a28b13f8b07d366c27d79253d257548146820cf1dc7a8ded8782f
SSDEEP 1536:XHXqO6ZG03eyenOj9lgA/PObuTMT5NMCfL7ojaZf5aZlBlGW:M1uF6Feu2NlQOBcGW
TLSH
T15D9302C41665CD8BCCD87072327FAA4EE631C4CCB941ACB34A5E16A31B36AF3D01AB45
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

ksmdz.exe

Path C:\Users\Admin\AppData\Local\Temp\ksmdz.exe
Size 398KB
SHA256 eaa134d4cda9d5586b77a46f9c6fb1dfa0c5acfa0c7068c5b81c94112dc0dfe0
MD5 64adbba1d627ebd54778211352cec6d1
SHA1 ed0df2715ed3a1b16f489e52d8e8597ec9af1d38
SHA512 c5bbcb30c4d3bc9d437b01f19854eb9304c664a2a672609d69e0e8a540ccc105caa7c91ef83ad1753747f32969c46eab171051430ab0f202a7006e9090ff90e2
SSDEEP 12288:zdDU6g13sJd1fm/+yb3O2js82ydU/DdKumHm:zdE3sJd1fm/+yb3OYs84/JH6m
TLSH
T10284AF01E7C741D6DE82257081FA7377B3789A4D0F12CBE3BB68EE2A6E211D1953B119
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1828-0-0x0000000000400000-0x0000000000471000-memory.dmp

Download

memory/1828-2-0x0000000000400000-0x0000000000471000-memory.dmp

Download

memory/2948-11-0x0000000000400000-0x0000000000471000-memory.dmp

Download

memory/4444-14-0x0000000010000000-0x0000000010033000-memory.dmp

Download

memory/4444-15-0x0000000010000000-0x0000000010033000-memory.dmp

Download

memory/4444-17-0x0000000010000000-0x0000000010033000-memory.dmp

Download

memory/4444-20-0x0000000010000000-0x0000000010033000-memory.dmp

Download