farfli | 44f5fac47743bcc5abe37f82877eb88394879966c2c1c075d0adba7499c64a2a

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
06/08/2026, 08:30

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General

Target
44f5fac47743bcc5abe37f82877eb88394879966c2c1c075d0adba7499c64a2a.exe
Size 242KB
Sample260806-kee2fagf84
SHA256 44f5fac47743bcc5abe37f82877eb88394879966c2c1c075d0adba7499c64a2a
MD5 1dd3e40711435a618b76fe2d1585dfa4
SHA1 912217aef416d400f812e892d5508687b1588f5c
SHA512 b9795e04c72b7322cfa7cf63696a99123a116982bdf180b161a410cc9cca3211a6682cbc7839c7480e8c9e7870997344ffb260aa7ee60de4f9571f877560d1ee
SSDEEP 3072:fP5gvNVLIfHQja1RfmLQADwSKkhU+tLgT5lODbiC8r1PkTFKB:X2vnSwjaOcADw9cUeCOf4
TLSH
T18934F100D7B2E5E8D44924BA0787D310EAE1DC9E7F73677143D9E31FAB41F1AA4AA190
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 4 IoCs

resource	yara_rule
behavioral2/memory/6368-14-0x0000000010000000-0x000000001004E000-memory.dmp	family_farfli
behavioral2/memory/6368-15-0x0000000010000000-0x000000001004E000-memory.dmp	family_farfli
behavioral2/memory/6368-17-0x0000000010000000-0x000000001004E000-memory.dmp	family_farfli
behavioral2/memory/6368-20-0x0000000010000000-0x000000001004E000-memory.dmp	family_farfli

Deletes itself 1 IoCs

pid	Process
6316	paymdo.exe

Executes dropped EXE 2 IoCs

pid	Process
6316	paymdo.exe
6368	ilq.exe

Loads dropped DLL 1 IoCs

pid	Process
6368	ilq.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\\mypcb\\ilq.exe \"c:\\Program Files\\mypcb\\ilqik.dll\",Compliance"	ilq.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)	\??\s:	ilq.exe
File opened (read-only)	\??\k:	ilq.exe
File opened (read-only)	\??\v:	ilq.exe
File opened (read-only)	\??\w:	ilq.exe
File opened (read-only)	\??\y:	ilq.exe
File opened (read-only)	\??\z:	ilq.exe
File opened (read-only)	\??\d:	ilq.exe
File opened (read-only)	\??\l:	ilq.exe
File opened (read-only)	\??\t:	ilq.exe
File opened (read-only)	\??\x:	ilq.exe
File opened (read-only)	\??\a:	ilq.exe
File opened (read-only)	\??\h:	ilq.exe
File opened (read-only)	\??\i:	ilq.exe
File opened (read-only)	\??\m:	ilq.exe
File opened (read-only)	\??\q:	ilq.exe
File opened (read-only)	\??\r:	ilq.exe
File opened (read-only)	\??\u:	ilq.exe
File opened (read-only)	\??\b:	ilq.exe
File opened (read-only)	\??\g:	ilq.exe
File opened (read-only)	\??\j:	ilq.exe
File opened (read-only)	\??\n:	ilq.exe
File opened (read-only)	\??\o:	ilq.exe
File opened (read-only)	\??\p:	ilq.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	ilq.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	\??\c:\Program Files\mypcb	paymdo.exe
File created	\??\c:\Program Files\mypcb\ilqik.dll	paymdo.exe
File created	\??\c:\Program Files\mypcb\ilq.exe	paymdo.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
6076	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	44f5fac47743bcc5abe37f82877eb88394879966c2c1c075d0adba7499c64a2a.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	paymdo.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ilq.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
6076	cmd.exe
5904	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	ilq.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	ilq.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
5904	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
6368	ilq.exe
6368	ilq.exe
6368	ilq.exe
6368	ilq.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	6368	ilq.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1352	44f5fac47743bcc5abe37f82877eb88394879966c2c1c075d0adba7499c64a2a.exe
6316	paymdo.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1352 wrote to memory of 6076	1352	44f5fac47743bcc5abe37f82877eb88394879966c2c1c075d0adba7499c64a2a.exe	90
PID 6076 wrote to memory of 5904	6076	cmd.exe	92
PID 6076 wrote to memory of 6316	6076	cmd.exe	93
PID 6316 wrote to memory of 6368	6316	paymdo.exe	94

C:\Users\Admin\AppData\Local\Temp\44f5fac47743bcc5abe37f82877eb88394879966c2c1c075d0adba7499c64a2a.exe
"C:\Users\Admin\AppData\Local\Temp\44f5fac47743bcc5abe37f82877eb88394879966c2c1c075d0adba7499c64a2a.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1352
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\paymdo.exe "C:\Users\Admin\AppData\Local\Temp\44f5fac47743bcc5abe37f82877eb88394879966c2c1c075d0adba7499c64a2a.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:6076
- - 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:5904
- - C:\Users\Admin\AppData\Local\Temp\paymdo.exe
    C:\Users\Admin\AppData\Local\Temp\\paymdo.exe "C:\Users\Admin\AppData\Local\Temp\44f5fac47743bcc5abe37f82877eb88394879966c2c1c075d0adba7499c64a2a.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:6316
  - - \??\c:\Program Files\mypcb\ilq.exe
      "c:\Program Files\mypcb\ilq.exe" "c:\Program Files\mypcb\ilqik.dll",Compliance C:\Users\Admin\AppData\Local\Temp\paymdo.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:6368

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

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Downloads

ilq.exe

Path C:\Program Files\mypcb\ilq.exe
Size 51KB
SHA256 ce6bb7eddc83762c708d4a41709ae00371dbdc09b2a380f28fa60b1edf917473
MD5 2e068ce2770fde8d1af4cb114b98df1f
SHA1 b6f9c2775babb025b22f915c3047aa627d07c312
SHA512 998d695eb56375e63df7db16740b89deb2cf630ccbead8bcf84a921ec6f4a4f9aef2755b703f7190f332b2008ebcc949363bcf8f392d7d07246c255b5073ed35
SSDEEP 1536:6G9yoVEpHP29I3fbcJboSUge5N+CnC/maz9Rh:8pv2mbcJboce58wvOR
TLSH
T137336C236A0A49B3DFE231780A9D7232526DD862075541F7A61057EAFD243E2EE743CF
MD5 SHA1 SHA512 SSDEEP TLSH

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paymdo.exe

Path C:\Users\Admin\AppData\Local\Temp\paymdo.exe
Size 243KB
SHA256 2a9969ebd3928cbc67c89528c76d6d8ffeb378c7fe7c9df40c059d04ca3a578f
MD5 8924ada067c20787ec677d50872f90d9
SHA1 02d864940acea764595fdf5cec9ce6e9fd49bbf6
SHA512 67b35bd1ce67ffeca68327d9a0d5d15781e50a1cef6b6b197a8f730de35aee7802c16eff3524f7aa397604c4abefbadeeec36491a11b4d9f6c7709f362eb0723
SSDEEP 3072:fP5gvNVLIfHQja1RfmLQADwSKkhU+tLgT5lODbiC8r1PkTFK9:X2vnSwjaOcADw9cUeCOfE
TLSH
T1B134F200D7B2E5E8D44924BA0787D310EBE1DC9E7F63677143D9E31FAB41F1AA4AA190
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

ilqik.dll

Path \??\c:\Program Files\mypcb\ilqik.dll
Size 141KB
SHA256 4a6b3afe6eeddffb9bba08d6d488569a07f87e228633f71a8a6298f98a7d879a
MD5 0f93c451a96822c2189f74ef8a4b22b2
SHA1 859579c654ba6da48940e0450b8c5e2d3b83c790
SHA512 446e6a4d17f1ff99a8adbe83e3007bd75ac672149cd5e813fb12d2caf6f590d20d7621cf17e63cca7e0b048bdd1509c39b3f47677548e4419d467a7a123695bc
SSDEEP 3072:RGmRmNJToTJfp2D1QzpSyiJEkGSPf1bc4ls:RGMmfToTJY6zpSyvkGSn1tls
TLSH
T17DE312E0E3A7C4B6C269173183937DF3162CF5346B18072AED62A32769394C44B9DB1A
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/1352-4-0x0000000000400000-0x000000000044901D-memory.dmp

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memory/1352-0-0x0000000000400000-0x000000000044901D-memory.dmp

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memory/1352-1-0x0000000000400000-0x000000000044901D-memory.dmp

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memory/1352-2-0x0000000000400000-0x000000000044901D-memory.dmp

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memory/6316-8-0x0000000000400000-0x000000000044901D-memory.dmp

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memory/6316-7-0x0000000000400000-0x000000000044901D-memory.dmp

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memory/6316-11-0x0000000000400000-0x000000000044901D-memory.dmp

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memory/6368-14-0x0000000010000000-0x000000001004E000-memory.dmp

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memory/6368-15-0x0000000010000000-0x000000001004E000-memory.dmp

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memory/6368-17-0x0000000010000000-0x000000001004E000-memory.dmp

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memory/6368-20-0x0000000010000000-0x000000001004E000-memory.dmp

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