farfli | b66e5c6cbce89295cba6c647726f908c0a9f11205dde480e7d973fa510ed421c

General

Target
2026-09-08_e36c8b9b65ae9ff1c47ff29f59092734_coinminer_elex_wannacry.exe
Size 412KB
Sample260908-m755faal2x
SHA256 b66e5c6cbce89295cba6c647726f908c0a9f11205dde480e7d973fa510ed421c
MD5 e36c8b9b65ae9ff1c47ff29f59092734
SHA1 fedb7ffd135fd0e55152888222cdbcd3c93f9f75
SHA512 b671ce2598eddc9097ce7fa7a3b4f0e3e4830061942700e2b13c7900e20ff93e422e4ff4026385b3558e6a25458df47fd8531a321d2026bdefcac650888ac8fe
SSDEEP 12288:JdDU6g13sJd1fm/+yb3O2jg82ydU/DdKum8:JdE3sJd1fm/+yb3OYg84/JHz
TLSH
T1B194AF01E7C351D6DE82257081FA7376B378DA4D0F12C7E3BBA8EE2E6E21191953B119
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/4820-8-0x0000000010000000-0x0000000010033000-memory.dmp	family_farfli
behavioral2/memory/4820-10-0x0000000010000000-0x0000000010033000-memory.dmp	family_farfli
behavioral2/memory/4820-15-0x0000000010000000-0x0000000010033000-memory.dmp	family_farfli

Detects executables containing base64 encoded User Agent 3 IoCs

resource	yara_rule
behavioral2/memory/4820-8-0x0000000010000000-0x0000000010033000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/4820-10-0x0000000010000000-0x0000000010033000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/4820-15-0x0000000010000000-0x0000000010033000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent

UPX dump on OEP (original entry point) 6 IoCs

resource	yara_rule
behavioral2/files/0x0008000000019ce0-1.dat	UPX
behavioral2/files/0x000e00000001c4ff-5.dat	UPX
behavioral2/memory/4820-7-0x0000000010000000-0x0000000010033000-memory.dmp	UPX
behavioral2/memory/4820-8-0x0000000010000000-0x0000000010033000-memory.dmp	UPX
behavioral2/memory/4820-10-0x0000000010000000-0x0000000010033000-memory.dmp	UPX
behavioral2/memory/4820-15-0x0000000010000000-0x0000000010033000-memory.dmp	UPX

Deletes itself 1 IoCs

pid	Process
5136	mvossuszj.exe

Executes dropped EXE 2 IoCs

pid	Process
5136	mvossuszj.exe
4820	lgizye.exe

Loads dropped DLL 1 IoCs

pid	Process
4820	lgizye.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-1-5-21-552508041-2681165170-3229858294-1000\Software\Microsoft\Windows\CurrentVersion\Run\VIEW = "c:\\Program Files\\nxhozkzja\\lgizye.exe \"c:\\Program Files\\nxhozkzja\\lgizye.dll\",Viewer"	lgizye.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)	\??\t:	lgizye.exe
File opened (read-only)	\??\x:	lgizye.exe
File opened (read-only)	\??\d:	lgizye.exe
File opened (read-only)	\??\g:	lgizye.exe
File opened (read-only)	\??\h:	lgizye.exe
File opened (read-only)	\??\l:	lgizye.exe
File opened (read-only)	\??\n:	lgizye.exe
File opened (read-only)	\??\q:	lgizye.exe
File opened (read-only)	\??\r:	lgizye.exe
File opened (read-only)	\??\s:	lgizye.exe
File opened (read-only)	\??\a:	lgizye.exe
File opened (read-only)	\??\i:	lgizye.exe
File opened (read-only)	\??\j:	lgizye.exe
File opened (read-only)	\??\u:	lgizye.exe
File opened (read-only)	\??\w:	lgizye.exe
File opened (read-only)	\??\y:	lgizye.exe
File opened (read-only)	\??\z:	lgizye.exe
File opened (read-only)	\??\m:	lgizye.exe
File opened (read-only)	\??\v:	lgizye.exe
File opened (read-only)	\??\b:	lgizye.exe
File opened (read-only)	\??\k:	lgizye.exe
File opened (read-only)	\??\o:	lgizye.exe
File opened (read-only)	\??\p:	lgizye.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	lgizye.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	\??\c:\Program Files\nxhozkzja	mvossuszj.exe
File created	\??\c:\Program Files\nxhozkzja\lgizye.dll	mvossuszj.exe
File created	\??\c:\Program Files\nxhozkzja\lgizye.exe	mvossuszj.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
4540	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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mvossuszj.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lgizye.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-09-08_e36c8b9b65ae9ff1c47ff29f59092734_coinminer_elex_wannacry.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
4540	cmd.exe
1476	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	lgizye.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	lgizye.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1476	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4820	lgizye.exe
4820	lgizye.exe
4820	lgizye.exe
4820	lgizye.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4820	lgizye.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
5732	2026-09-08_e36c8b9b65ae9ff1c47ff29f59092734_coinminer_elex_wannacry.exe
5136	mvossuszj.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 5732 wrote to memory of 4540	5732	2026-09-08_e36c8b9b65ae9ff1c47ff29f59092734_coinminer_elex_wannacry.exe	89
PID 4540 wrote to memory of 1476	4540	cmd.exe	91
PID 4540 wrote to memory of 5136	4540	cmd.exe	92
PID 5136 wrote to memory of 4820	5136	mvossuszj.exe	93

C:\Users\Admin\AppData\Local\Temp\2026-09-08_e36c8b9b65ae9ff1c47ff29f59092734_coinminer_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-09-08_e36c8b9b65ae9ff1c47ff29f59092734_coinminer_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5732
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\mvossuszj.exe "C:\Users\Admin\AppData\Local\Temp\2026-09-08_e36c8b9b65ae9ff1c47ff29f59092734_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:4540
- - 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:1476
- - C:\Users\Admin\AppData\Local\Temp\mvossuszj.exe
    C:\Users\Admin\AppData\Local\Temp\\mvossuszj.exe "C:\Users\Admin\AppData\Local\Temp\2026-09-08_e36c8b9b65ae9ff1c47ff29f59092734_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:5136
  - - \??\c:\Program Files\nxhozkzja\lgizye.exe
      "c:\Program Files\nxhozkzja\lgizye.exe" "c:\Program Files\nxhozkzja\lgizye.dll",Viewer C:\Users\Admin\AppData\Local\Temp\mvossuszj.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:4820

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

Windows Command Shell

1

T1059.003

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Peripheral Device Discovery

Query Registry

Remote System Discovery

1

T1018

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

lgizye.exe

Path C:\Program Files\nxhozkzja\lgizye.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

mvossuszj.exe

Path C:\Users\Admin\AppData\Local\Temp\mvossuszj.exe
Size 413KB
SHA256 de95d353e3dfb862e37dcaa945f73c0e678f3795dc4a3c6cc59046cb36ba874f
MD5 7d66fdf77094a0d1e8572ab8bda39b0e
SHA1 46c20c4bf958d2af0f7d638b00f26ef8e264a962
SHA512 fb63842fddbdfbed2a8f240afeb4d9897b3cca3ae7055a39780f9ecfbf03c7d9194e0ebe8cdf2b14d6ec78a49d65c6bc1c7eb4b35d6c661785602aa04fea50e5
SSDEEP 12288:JdDU6g13sJd1fm/+yb3O2jg82ydU/DdKum8T:JdE3sJd1fm/+yb3OYg84/JHzT
TLSH
T16B94AF01E7C351D6DE82257081FA7376B378DA4D0F12C7E3BBA8EE2E6E21191953B119
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

lgizye.dll

Path \??\c:\Program Files\nxhozkzja\lgizye.dll
Size 89KB
SHA256 4dbeb5d667cad9921397df0ecfbe6d67f7d77772085f463ff2f087f3b232e1c7
MD5 73733a51b6bec0bbb36ae5fae5de8086
SHA1 724c3082fb01f400451fecd5923ed4016d24ff64
SHA512 2427c9cbbb8f94f0fa72ee2e28600e4f1cc8712741d36c45363fa46b7b0cc463760cbfe88f09969adfca20729ae69375f811475cc2b915089e629ff1469f60e8
SSDEEP 1536:XHXqO6ZG03eyenOj9lgA/PObuTMT5NMCfL7ojaZf5aZlBlGsq:M1uF6Feu2NlQOBcGR
TLSH
T1BD9302C45665CD8BCCD87072327FAA4EE631D48CB941ACB34A5E13A31A36AE3D41AB05
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/4820-7-0x0000000010000000-0x0000000010033000-memory.dmp

Download

memory/4820-8-0x0000000010000000-0x0000000010033000-memory.dmp

Download

memory/4820-10-0x0000000010000000-0x0000000010033000-memory.dmp

Download

memory/4820-15-0x0000000010000000-0x0000000010033000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

Replay Monitor

Loading Replay Monitor...

Downloads