farfli | 805d6a6e44f5b293f15a4b43e68a7fc74806f04567af403c145a1e467410de80

Analysis

max time kernel
150s
max time network
137s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
28/07/2026, 08:39

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
805d6a6e44f5b293f15a4b43e68a7fc74806f04567af403c145a1e467410de80.exe
Size 199KB
Sample260728-kklfeasfjg
SHA256 805d6a6e44f5b293f15a4b43e68a7fc74806f04567af403c145a1e467410de80
MD5 d14f5e69b8501a2044f6cf0c680c9dd0
SHA1 9bad7f9cb66c710493ed590639d665f685ce5c53
SHA512 5028522de0b3b00c0c097761144f6fb156b32f77a046bb618e4b0f265e09efc03f8a7768c21a7da29b84030dabc835e397c968ac47ed10b85d2434372d10c865
SSDEEP 3072:fP5gvNVLIfHQja1RfmLQADwSKkhU+tLgT5lODbiC8r1PkTL:X2vnSwjaOcADw9cUeCOfJ
TLSH
T12B141200DBB4A1E8D49860BB0AC3A311E7F2DACEBB735BF152D6D12FAF41F166459490
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

backdoor bootkit discovery execution farfli gh0strat persistence rat spyware stealer

Malware Config

Extracted

Family

gh0strat

107.163.241.193:6520
http://107.163.241.181:16300/
http://107.163.241.182:12354/login.php

Attributes

user_agent
Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.1; Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C))

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 3 IoCs

resource	yara_rule
behavioral2/memory/3844-17-0x0000000010000000-0x000000001004E000-memory.dmp	family_farfli
behavioral2/memory/3844-19-0x0000000010000000-0x000000001004E000-memory.dmp	family_farfli
behavioral2/memory/3844-22-0x0000000010000000-0x000000001004E000-memory.dmp	family_farfli

Deletes itself 1 IoCs

pid	Process
5904	ilekyq.exe

Executes dropped EXE 2 IoCs

pid	Process
5904	ilekyq.exe
3844	barz.exe

Loads dropped DLL 1 IoCs

pid	Process
3844	barz.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-1-5-21-1014449518-1831897916-4205727055-1000\Software\Microsoft\Windows\CurrentVersion\Run\Depend = "c:\\Program Files\\nxmlfyti\\barz.exe \"c:\\Program Files\\nxmlfyti\\barzv.dll\",Compliance"	barz.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:	barz.exe
File opened (read-only)	\??\g:	barz.exe
File opened (read-only)	\??\k:	barz.exe
File opened (read-only)	\??\o:	barz.exe
File opened (read-only)	\??\q:	barz.exe
File opened (read-only)	\??\z:	barz.exe
File opened (read-only)	\??\d:	barz.exe
File opened (read-only)	\??\i:	barz.exe
File opened (read-only)	\??\m:	barz.exe
File opened (read-only)	\??\p:	barz.exe
File opened (read-only)	\??\t:	barz.exe
File opened (read-only)	\??\u:	barz.exe
File opened (read-only)	\??\b:	barz.exe
File opened (read-only)	\??\h:	barz.exe
File opened (read-only)	\??\n:	barz.exe
File opened (read-only)	\??\s:	barz.exe
File opened (read-only)	\??\v:	barz.exe
File opened (read-only)	\??\w:	barz.exe
File opened (read-only)	\??\y:	barz.exe
File opened (read-only)	\??\j:	barz.exe
File opened (read-only)	\??\l:	barz.exe
File opened (read-only)	\??\r:	barz.exe
File opened (read-only)	\??\x:	barz.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	barz.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	\??\c:\Program Files\nxmlfyti\barz.exe	ilekyq.exe
File opened for modification	\??\c:\Program Files\nxmlfyti	ilekyq.exe
File created	\??\c:\Program Files\nxmlfyti\barzv.dll	ilekyq.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
3224	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	ilekyq.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	barz.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	805d6a6e44f5b293f15a4b43e68a7fc74806f04567af403c145a1e467410de80.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
3224	cmd.exe
4120	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	barz.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	barz.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4120	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3844	barz.exe
3844	barz.exe
3844	barz.exe
3844	barz.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3844	barz.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1256	805d6a6e44f5b293f15a4b43e68a7fc74806f04567af403c145a1e467410de80.exe
5904	ilekyq.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1256 wrote to memory of 3224	1256	805d6a6e44f5b293f15a4b43e68a7fc74806f04567af403c145a1e467410de80.exe	90
PID 3224 wrote to memory of 4120	3224	cmd.exe	92
PID 3224 wrote to memory of 5904	3224	cmd.exe	93
PID 5904 wrote to memory of 3844	5904	ilekyq.exe	94

C:\Users\Admin\AppData\Local\Temp\805d6a6e44f5b293f15a4b43e68a7fc74806f04567af403c145a1e467410de80.exe
"C:\Users\Admin\AppData\Local\Temp\805d6a6e44f5b293f15a4b43e68a7fc74806f04567af403c145a1e467410de80.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1256
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\ilekyq.exe "C:\Users\Admin\AppData\Local\Temp\805d6a6e44f5b293f15a4b43e68a7fc74806f04567af403c145a1e467410de80.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:3224
- - 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:4120
- - C:\Users\Admin\AppData\Local\Temp\ilekyq.exe
    C:\Users\Admin\AppData\Local\Temp\\ilekyq.exe "C:\Users\Admin\AppData\Local\Temp\805d6a6e44f5b293f15a4b43e68a7fc74806f04567af403c145a1e467410de80.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:5904
  - - \??\c:\Program Files\nxmlfyti\barz.exe
      "c:\Program Files\nxmlfyti\barz.exe" "c:\Program Files\nxmlfyti\barzv.dll",Compliance C:\Users\Admin\AppData\Local\Temp\ilekyq.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:3844

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

barz.exe

Path C:\Program Files\nxmlfyti\barz.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

ilekyq.exe

Path C:\Users\Admin\AppData\Local\Temp\ilekyq.exe
Size 199KB
SHA256 5a11f33bef69bf51cefb941120988e97bacbca61dae69e702cb9b23ad770ffcb
MD5 39f733afceba324655ad37a69d7a885b
SHA1 3204c43a9ee57a677ab37504d71363d3b4c936cb
SHA512 3278905bb7e9626755edb2797fc2f307ebf33284766bf9201628f31b902b2499ef81dd121987c5b2d79055f73179f1720970571d52eb4a0086a3d7745aaf4cff
SSDEEP 3072:fP5gvNVLIfHQja1RfmLQADwSKkhU+tLgT5lODbiC8r1PkTu:X2vnSwjaOcADw9cUeCOfU
TLSH
T1C8141200DBB4A1E8D498247B0AC3A311E7F2DACEBB735BF152D6D22FAF41F166459490
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

barzv.dll

Path \??\c:\Program Files\nxmlfyti\barzv.dll
Size 141KB
SHA256 cd1f777597a6f07b5ede2aa157d7a58ddb4b944f96673daacb49d9b8e6b771c4
MD5 f55c07920d103131790707e02cf72484
SHA1 bbeee6b2bf470e3da34128d41b1a2bedbbb5b8bc
SHA512 a6aaebf9c68dedc016dfd347b3854325d7f84dcad28fdd646a3dcc82f95f01b2c04481782f0be772779722d28889423c1ffe332f01aff4c02b0a45e9bf166ef1
SSDEEP 3072:RGmRmNJToTJfp2D1QzpSyiJEkGSPf1bc4ln:RGMmfToTJY6zpSyvkGSn1tln
TLSH
T1ACE312E0E3B7C4B6C2655B3183937DF3161CF5346B18072EED62A32769394C44A9DA1A
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1256-5-0x0000000000400000-0x000000000044901D-memory.dmp

Download

memory/1256-0-0x0000000000400000-0x000000000044901D-memory.dmp

Download

memory/1256-1-0x0000000000400000-0x000000000044901D-memory.dmp

Download

memory/1256-2-0x0000000000400000-0x000000000044901D-memory.dmp

Download

memory/3844-16-0x0000000010000000-0x000000001004E000-memory.dmp

Download

memory/3844-17-0x0000000010000000-0x000000001004E000-memory.dmp

Download

memory/3844-19-0x0000000010000000-0x000000001004E000-memory.dmp

Download

memory/3844-22-0x0000000010000000-0x000000001004E000-memory.dmp

Download

memory/5904-9-0x0000000000400000-0x000000000044901D-memory.dmp

Download

memory/5904-8-0x0000000000400000-0x000000000044901D-memory.dmp

Download

memory/5904-13-0x0000000000400000-0x000000000044901D-memory.dmp

Download