farfli | 9451272367220ea6a25c0110a36f59977d805917c780af75f854587ca0168a4e

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20260130-en
resource tags

arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
16/04/2026, 05:59

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General

Target
2026-04-16_054a73303f3be9d725eb8e8c5ec5b451_elex_wannacry.exe
Size 332KB
Sample260416-gp3cyabs6v
SHA256 9451272367220ea6a25c0110a36f59977d805917c780af75f854587ca0168a4e
MD5 054a73303f3be9d725eb8e8c5ec5b451
SHA1 81d61e7d99eb429214d9cc2d74e7c56e336ebc31
SHA512 41fb301687ae596abb94314ad0b86427c17be1e24b8ae79dbcf73b625bf20f9297bd506562644a7f2f3878a5002746fbae30a0bc5ff1441dbd49f80d8a1a5f4b
SSDEEP 6144:bhBq6X2tzs/l0HdEezbOGijPwZFvP+TTRLxpxUzdjK8s7:fq6X2tgd4VZBg8k8I
TLSH
T11B74D02231D1C8A9C4C42633CD6DB7F4D7F9CEA8893D9A7B779B3E08EA379444205265
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

backdoor bootkit discovery farfli gh0strat persistence rat spyware stealer

Malware Config

Extracted

Family

gh0strat

107.163.56.251:6658
http://107.163.56.238:18530/
http://107.163.56.239:18963/main.php

Attributes

user_agent
Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.0)

Signatures

Family: Farfli
Farfli is a Windows backdoor written in C++.
backdoor farfli
Family: Gh0strat
Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.
rat gh0strat

Detects Farfli Backdoor 2 IoCs

resource	yara_rule
behavioral1/memory/1516-17-0x0000000010000000-0x0000000010089000-memory.dmp	family_farfli
behavioral1/memory/1516-21-0x0000000010000000-0x0000000010089000-memory.dmp	family_farfli

Detects executables containing base64 encoded User Agent 2 IoCs

resource	yara_rule
behavioral1/memory/1516-17-0x0000000010000000-0x0000000010089000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral1/memory/1516-21-0x0000000010000000-0x0000000010089000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent

Detects executables packed with VMProtect. 5 IoCs

resource	yara_rule
behavioral1/memory/3248-0-0x0000000000400000-0x0000000000452000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral1/memory/3248-1-0x0000000000400000-0x0000000000452000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral1/memory/3248-3-0x0000000000400000-0x0000000000452000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral1/files/0x001e0000000242ff-5.dat	INDICATOR_EXE_Packed_VMProtect
behavioral1/memory/3872-12-0x0000000000400000-0x0000000000452000-memory.dmp	INDICATOR_EXE_Packed_VMProtect

Deletes itself 1 IoCs

pid	Process
3872	uxtzz.exe

Executes dropped EXE 2 IoCs

pid	Process
3872	uxtzz.exe
1516	ljp.exe

Loads dropped DLL 1 IoCs

pid	Process
1516	ljp.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-1-5-21-2023547815-1162023398-1465618254-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ECO = "c:\\Program Files\\iuhji\\ljp.exe \"c:\\Program Files\\iuhji\\ljpeb.dll\",EnumClassObjects"	ljp.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)	\??\b:	ljp.exe
File opened (read-only)	\??\g:	ljp.exe
File opened (read-only)	\??\h:	ljp.exe
File opened (read-only)	\??\t:	ljp.exe
File opened (read-only)	\??\z:	ljp.exe
File opened (read-only)	\??\l:	ljp.exe
File opened (read-only)	\??\m:	ljp.exe
File opened (read-only)	\??\o:	ljp.exe
File opened (read-only)	\??\w:	ljp.exe
File opened (read-only)	\??\y:	ljp.exe
File opened (read-only)	\??\i:	ljp.exe
File opened (read-only)	\??\j:	ljp.exe
File opened (read-only)	\??\k:	ljp.exe
File opened (read-only)	\??\n:	ljp.exe
File opened (read-only)	\??\p:	ljp.exe
File opened (read-only)	\??\r:	ljp.exe
File opened (read-only)	\??\a:	ljp.exe
File opened (read-only)	\??\e:	ljp.exe
File opened (read-only)	\??\q:	ljp.exe
File opened (read-only)	\??\s:	ljp.exe
File opened (read-only)	\??\u:	ljp.exe
File opened (read-only)	\??\v:	ljp.exe
File opened (read-only)	\??\x:	ljp.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	ljp.exe

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File opened for modification	\??\c:\Program Files\iuhji	uxtzz.exe
File created	\??\c:\Program Files\iuhji\ljpeb.dll	uxtzz.exe
File created	\??\c:\Program Files\iuhji\ljp.exe	uxtzz.exe
File opened for modification	\??\c:\Program Files\iuhji\ljp.exe	uxtzz.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	2026-04-16_054a73303f3be9d725eb8e8c5ec5b451_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	uxtzz.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ljp.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
4048	cmd.exe
2040	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	ljp.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	ljp.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2040	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1516	ljp.exe
1516	ljp.exe
1516	ljp.exe
1516	ljp.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1516	ljp.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3248	2026-04-16_054a73303f3be9d725eb8e8c5ec5b451_elex_wannacry.exe
3872	uxtzz.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3248 wrote to memory of 4048	3248	2026-04-16_054a73303f3be9d725eb8e8c5ec5b451_elex_wannacry.exe	86
PID 4048 wrote to memory of 2040	4048	cmd.exe	88
PID 4048 wrote to memory of 3872	4048	cmd.exe	89
PID 3872 wrote to memory of 1516	3872	uxtzz.exe	90

C:\Users\Admin\AppData\Local\Temp\2026-04-16_054a73303f3be9d725eb8e8c5ec5b451_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-04-16_054a73303f3be9d725eb8e8c5ec5b451_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3248
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\uxtzz.exe "C:\Users\Admin\AppData\Local\Temp\2026-04-16_054a73303f3be9d725eb8e8c5ec5b451_elex_wannacry.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:4048
- - 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:2040
- - C:\Users\Admin\AppData\Local\Temp\uxtzz.exe
    C:\Users\Admin\AppData\Local\Temp\\uxtzz.exe "C:\Users\Admin\AppData\Local\Temp\2026-04-16_054a73303f3be9d725eb8e8c5ec5b451_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:3872
  - - \??\c:\Program Files\iuhji\ljp.exe
      "c:\Program Files\iuhji\ljp.exe" "c:\Program Files\iuhji\ljpeb.dll",EnumClassObjects C:\Users\Admin\AppData\Local\Temp\uxtzz.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:1516

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

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

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Downloads

ljp.exe

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

Submit Download

uxtzz.exe

Path C:\Users\Admin\AppData\Local\Temp\uxtzz.exe
Size 332KB
SHA256 60d6af6b49a0f7d138c090e6b854ea5362be48b9a2c871a54774f702718b3029
MD5 2a0b66c099ec6259edd36691a8744f02
SHA1 2375115dd1ca65d7989871967e63adc7239625bc
SHA512 3bdab57b1a927a060bfd290ea80cdc203dd5c5194367bf8b77798eb552fcc3cb9d4cd74592ddcef4c0dc31c5c3bad164b358c7b97da9995aa500264576968f1d
SSDEEP 6144:bhBq6X2tzs/l0HdEezbOGijPwZFvP+TTRLxpxUzdjK8sv:fq6X2tgd4VZBg8k8c
TLSH
T11D74D02231D1C8A9C4C42633CD6DB7F4D7F9CEA8893D9A7B779B3E08EA379444205265
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

ljpeb.dll

Path \??\c:\Program Files\iuhji\ljpeb.dll
Size 197KB
SHA256 8a93dcf6612e6a07ad7f3b561ac4889040e7be4db19f06f5c0431a48491c07c5
MD5 ee6c67353d3dce28bdfbdf7b2c734a68
SHA1 0a87bfe270cdf69f8e99ff3740cb7a10217be497
SHA512 ee216b6d8b066de7eef0849ac4d31b9dc7fc11ee5494043713b80750a585415f9149a5347ad0cc93c2ba2c818970f4b49d13d9c7c3043ee68e48e1705428942e
SSDEEP 3072:ruc9Y8cZZ/jkk+2FsQAF3jY0gd2mINCTrhcObieOBdq3D143a5gUpPf:m8cZRi2FxAFc0VxNCTmONO+h4K5giX
TLSH
T1601402C1DBF10372D45F0B314A320D3A7972D8D894888B6AD289D29F6C7BDE9235D369
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1516-16-0x0000000010000000-0x0000000010089000-memory.dmp

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memory/1516-17-0x0000000010000000-0x0000000010089000-memory.dmp

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memory/1516-21-0x0000000010000000-0x0000000010089000-memory.dmp

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memory/1516-20-0x0000000002A20000-0x0000000002FD3000-memory.dmp

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memory/3248-0-0x0000000000400000-0x0000000000452000-memory.dmp

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memory/3248-1-0x0000000000400000-0x0000000000452000-memory.dmp

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memory/3248-3-0x0000000000400000-0x0000000000452000-memory.dmp

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memory/3872-12-0x0000000000400000-0x0000000000452000-memory.dmp

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