farfli | 3166203ce4d184c4af17a89b6c8c1a6cff387f963d0f5cf16c52bf6944797c87

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20260130-en
resource tags

arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
18/04/2026, 08:07

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General

Target
3166203ce4d184c4af17a89b6c8c1a6cff387f963d0f5cf16c52bf6944797c87.exe
Size 193KB
Sample260418-j1bepsa151
SHA256 3166203ce4d184c4af17a89b6c8c1a6cff387f963d0f5cf16c52bf6944797c87
MD5 ca6cb538c4cf63f083cce1df232d8f4c
SHA1 67280fa5c070568c9b2b6b7a8fd8b9b51aa47f10
SHA512 d5cd28294dbf0c2e8137162c8388f30f3e60ab38fcace969967463ff0ac7afbcf9623143d64fb5e2bdbff38f3fb2e485322dcc94c22017a120b6c8b04a63b63c
SSDEEP 3072:fP5gvNVLIfHQja1RfmLQADwSKkhU+tLgT5lODbiC8r1PkT:X2vnSwjaOcADw9cUeCOf
TLSH
T1C3141200DFA461E8D498607B0AC37321EBF29ACEEB735BF152D6D13B9F51F162859890
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

backdoor bootkit discovery 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
behavioral1/memory/4924-19-0x0000000010000000-0x000000001004E000-memory.dmp	family_farfli
behavioral1/memory/4924-20-0x0000000010000000-0x000000001004E000-memory.dmp	family_farfli
behavioral1/memory/4924-24-0x0000000010000000-0x000000001004E000-memory.dmp	family_farfli

Deletes itself 1 IoCs

pid	Process
2060	lbxdlw.exe

Executes dropped EXE 2 IoCs

pid	Process
2060	lbxdlw.exe
4924	onzwknt.exe

Loads dropped DLL 1 IoCs

pid	Process
4924	onzwknt.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-1-5-21-745935970-1373868228-562466063-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Depend = "c:\\Program Files\\njumbxrs\\onzwknt.exe \"c:\\Program Files\\njumbxrs\\onzwknt.dll\",Compliance"	onzwknt.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)	\??\g:	onzwknt.exe
File opened (read-only)	\??\h:	onzwknt.exe
File opened (read-only)	\??\j:	onzwknt.exe
File opened (read-only)	\??\q:	onzwknt.exe
File opened (read-only)	\??\s:	onzwknt.exe
File opened (read-only)	\??\a:	onzwknt.exe
File opened (read-only)	\??\e:	onzwknt.exe
File opened (read-only)	\??\r:	onzwknt.exe
File opened (read-only)	\??\t:	onzwknt.exe
File opened (read-only)	\??\u:	onzwknt.exe
File opened (read-only)	\??\v:	onzwknt.exe
File opened (read-only)	\??\w:	onzwknt.exe
File opened (read-only)	\??\z:	onzwknt.exe
File opened (read-only)	\??\l:	onzwknt.exe
File opened (read-only)	\??\n:	onzwknt.exe
File opened (read-only)	\??\o:	onzwknt.exe
File opened (read-only)	\??\p:	onzwknt.exe
File opened (read-only)	\??\y:	onzwknt.exe
File opened (read-only)	\??\b:	onzwknt.exe
File opened (read-only)	\??\i:	onzwknt.exe
File opened (read-only)	\??\k:	onzwknt.exe
File opened (read-only)	\??\m:	onzwknt.exe
File opened (read-only)	\??\x:	onzwknt.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	onzwknt.exe

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File opened for modification	\??\c:\Program Files\njumbxrs	lbxdlw.exe
File created	\??\c:\Program Files\njumbxrs\onzwknt.dll	lbxdlw.exe
File created	\??\c:\Program Files\njumbxrs\onzwknt.exe	lbxdlw.exe
File opened for modification	\??\c:\Program Files\njumbxrs\onzwknt.exe	lbxdlw.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	onzwknt.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3166203ce4d184c4af17a89b6c8c1a6cff387f963d0f5cf16c52bf6944797c87.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	lbxdlw.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
3124	PING.EXE
1184	cmd.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	onzwknt.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	onzwknt.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
3124	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4924	onzwknt.exe
4924	onzwknt.exe
4924	onzwknt.exe
4924	onzwknt.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4924	onzwknt.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3260	3166203ce4d184c4af17a89b6c8c1a6cff387f963d0f5cf16c52bf6944797c87.exe
2060	lbxdlw.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3260 wrote to memory of 1184	3260	3166203ce4d184c4af17a89b6c8c1a6cff387f963d0f5cf16c52bf6944797c87.exe	87
PID 1184 wrote to memory of 3124	1184	cmd.exe	89
PID 1184 wrote to memory of 2060	1184	cmd.exe	90
PID 2060 wrote to memory of 4924	2060	lbxdlw.exe	91

C:\Users\Admin\AppData\Local\Temp\3166203ce4d184c4af17a89b6c8c1a6cff387f963d0f5cf16c52bf6944797c87.exe
"C:\Users\Admin\AppData\Local\Temp\3166203ce4d184c4af17a89b6c8c1a6cff387f963d0f5cf16c52bf6944797c87.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3260
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\lbxdlw.exe "C:\Users\Admin\AppData\Local\Temp\3166203ce4d184c4af17a89b6c8c1a6cff387f963d0f5cf16c52bf6944797c87.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:1184
- - 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:3124
- - C:\Users\Admin\AppData\Local\Temp\lbxdlw.exe
    C:\Users\Admin\AppData\Local\Temp\\lbxdlw.exe "C:\Users\Admin\AppData\Local\Temp\3166203ce4d184c4af17a89b6c8c1a6cff387f963d0f5cf16c52bf6944797c87.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:2060
  - - \??\c:\Program Files\njumbxrs\onzwknt.exe
      "c:\Program Files\njumbxrs\onzwknt.exe" "c:\Program Files\njumbxrs\onzwknt.dll",Compliance C:\Users\Admin\AppData\Local\Temp\lbxdlw.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:4924

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

onzwknt.exe

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

Submit Download

lbxdlw.exe

Path C:\Users\Admin\AppData\Local\Temp\lbxdlw.exe
Size 193KB
SHA256 eca2884357bc1d4f39a39614904db7d1dc5874e7ed2f5a63eab73e1456571155
MD5 c28196553eb4798542960e906b38f339
SHA1 6bfb5a3e13cd27f7c593e880b0cae0cb2d05c1c0
SHA512 15d45694759a32811e9c7570e1e81d627b47604bb2da25060939bbbf2ff347163180c2188b3447bd2f918ecce114c4082fd15ac80cd3755f0bd4710cf7cd0505
SSDEEP 3072:fP5gvNVLIfHQja1RfmLQADwSKkhU+tLgT5lODbiC8r1PkT:X2vnSwjaOcADw9cUeCOf
TLSH
T186141200DFA461E8D498607B0AC37321EBF29ACEEB735BF152D6D13B9F51F162819890
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

onzwknt.dll

Path \??\c:\Program Files\njumbxrs\onzwknt.dll
Size 141KB
SHA256 a49eb8b6c889e74f1a5b587413d96be96580808c710b5a5a87454b0afc1ced1a
MD5 463d25443c676d0d7f58e7ffcb600314
SHA1 279927dc7352de866f55d8bb68d46dd02d30b068
SHA512 9f675cb6695433b465afbe671fcc7692331dafaaee3c0cffd32fc9f73da21651c957fda10813aadc493725132bc03240fe42b09dfa16e82c966c4882b3291997
SSDEEP 3072:RGmRmNJToTJfp2D1QzpSyiJEkGSPf1bc4lW:RGMmfToTJY6zpSyvkGSn1tlW
TLSH
T192E312E0F3A7C4B6C269573143937DF3162CF5346B18072EED62A32769394C44B9DA1A
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2060-9-0x0000000000400000-0x000000000044901D-memory.dmp

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memory/2060-8-0x0000000000400000-0x000000000044901D-memory.dmp

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memory/2060-16-0x0000000000400000-0x000000000044901D-memory.dmp

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memory/3260-4-0x0000000000400000-0x000000000044901D-memory.dmp

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memory/3260-0-0x0000000000400000-0x000000000044901D-memory.dmp

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memory/3260-1-0x0000000000400000-0x000000000044901D-memory.dmp

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memory/3260-2-0x0000000000400000-0x000000000044901D-memory.dmp

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memory/4924-19-0x0000000010000000-0x000000001004E000-memory.dmp

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memory/4924-20-0x0000000010000000-0x000000001004E000-memory.dmp

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memory/4924-24-0x0000000010000000-0x000000001004E000-memory.dmp

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