farfli | c22c47d1a238b404229ea72d1144775a3cd6acd40bd1bc9f3efb1f8cafd99d64

Analysis

max time kernel
148s
max time network
148s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260706-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260706-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
09/07/2026, 07:48

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General

Target
c22c47d1a238b404229ea72d1144775a3cd6acd40bd1bc9f3efb1f8cafd99d64.exe
Size 199KB
Sample260709-jnbvpse15z
SHA256 c22c47d1a238b404229ea72d1144775a3cd6acd40bd1bc9f3efb1f8cafd99d64
MD5 adc9d8ea61359a51248d359bed7e8ecc
SHA1 3a7bca3ea322255399c2c9441b929a33beeaf2d2
SHA512 e77031ec53379dcba2c3deab63bc514a397783d5887556ef8eb5694959b7ed429da908bb2dc834e32c8977d94e79df4e7a8c80aa97b7358c99439cac4815db60
SSDEEP 3072:fP5gvNVLIfHQja1RfmLQADwSKkhU+tLgT5lODbiC8r1PkT:X2vnSwjaOcADw9cUeCOf
TLSH
T195141200DBB4A1E8D498607B0AC3A311F7F2DACEBB735BF152D6D12BAF41F162459890
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
behavioral2/memory/3096-17-0x0000000010000000-0x000000001004E000-memory.dmp	family_farfli
behavioral2/memory/3096-19-0x0000000010000000-0x000000001004E000-memory.dmp	family_farfli
behavioral2/memory/3096-22-0x0000000010000000-0x000000001004E000-memory.dmp	family_farfli

Deletes itself 1 IoCs

pid	Process
2248	pblco.exe

Executes dropped EXE 2 IoCs

pid	Process
2248	pblco.exe
3096	kug.exe

Loads dropped DLL 1 IoCs

pid	Process
3096	kug.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-1-5-21-2699128254-3633964024-152949075-1000\Software\Microsoft\Windows\CurrentVersion\Run\Depend = "c:\\Program Files\\lqnyd\\kug.exe \"c:\\Program Files\\lqnyd\\kugua.dll\",Compliance"	kug.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)	\??\i:	kug.exe
File opened (read-only)	\??\k:	kug.exe
File opened (read-only)	\??\l:	kug.exe
File opened (read-only)	\??\o:	kug.exe
File opened (read-only)	\??\q:	kug.exe
File opened (read-only)	\??\s:	kug.exe
File opened (read-only)	\??\u:	kug.exe
File opened (read-only)	\??\a:	kug.exe
File opened (read-only)	\??\d:	kug.exe
File opened (read-only)	\??\h:	kug.exe
File opened (read-only)	\??\m:	kug.exe
File opened (read-only)	\??\n:	kug.exe
File opened (read-only)	\??\p:	kug.exe
File opened (read-only)	\??\r:	kug.exe
File opened (read-only)	\??\t:	kug.exe
File opened (read-only)	\??\b:	kug.exe
File opened (read-only)	\??\g:	kug.exe
File opened (read-only)	\??\j:	kug.exe
File opened (read-only)	\??\v:	kug.exe
File opened (read-only)	\??\w:	kug.exe
File opened (read-only)	\??\x:	kug.exe
File opened (read-only)	\??\y:	kug.exe
File opened (read-only)	\??\z:	kug.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	kug.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	\??\c:\Program Files\lqnyd	pblco.exe
File created	\??\c:\Program Files\lqnyd\kugua.dll	pblco.exe
File created	\??\c:\Program Files\lqnyd\kug.exe	pblco.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	c22c47d1a238b404229ea72d1144775a3cd6acd40bd1bc9f3efb1f8cafd99d64.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	pblco.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	kug.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
2272	cmd.exe
3340	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	kug.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	kug.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
3340	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3096	kug.exe
3096	kug.exe
3096	kug.exe
3096	kug.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3096	kug.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3192	c22c47d1a238b404229ea72d1144775a3cd6acd40bd1bc9f3efb1f8cafd99d64.exe
2248	pblco.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3192 wrote to memory of 2272	3192	c22c47d1a238b404229ea72d1144775a3cd6acd40bd1bc9f3efb1f8cafd99d64.exe	88
PID 2272 wrote to memory of 3340	2272	cmd.exe	90
PID 2272 wrote to memory of 2248	2272	cmd.exe	91
PID 2248 wrote to memory of 3096	2248	pblco.exe	92

C:\Users\Admin\AppData\Local\Temp\c22c47d1a238b404229ea72d1144775a3cd6acd40bd1bc9f3efb1f8cafd99d64.exe
"C:\Users\Admin\AppData\Local\Temp\c22c47d1a238b404229ea72d1144775a3cd6acd40bd1bc9f3efb1f8cafd99d64.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3192
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\pblco.exe "C:\Users\Admin\AppData\Local\Temp\c22c47d1a238b404229ea72d1144775a3cd6acd40bd1bc9f3efb1f8cafd99d64.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:2272
- - 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:3340
- - C:\Users\Admin\AppData\Local\Temp\pblco.exe
    C:\Users\Admin\AppData\Local\Temp\\pblco.exe "C:\Users\Admin\AppData\Local\Temp\c22c47d1a238b404229ea72d1144775a3cd6acd40bd1bc9f3efb1f8cafd99d64.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:2248
  - - \??\c:\Program Files\lqnyd\kug.exe
      "c:\Program Files\lqnyd\kug.exe" "c:\Program Files\lqnyd\kugua.dll",Compliance C:\Users\Admin\AppData\Local\Temp\pblco.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:3096

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

kug.exe

Path C:\Program Files\lqnyd\kug.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

pblco.exe

Path C:\Users\Admin\AppData\Local\Temp\pblco.exe
Size 199KB
SHA256 e068b2b78f13b63ac2bab4a58a046c66892b358746927495997175627b84fdff
MD5 c9002ca8a94fb980180fc51de6c16f5a
SHA1 7588d94b2684fecf60c66b0d763d702384e99fd1
SHA512 156db015dbdc3a835c238dac1a4ed2375db99693c7ffb7a35aff5f00e3b25815c37db2f99cec73ee4aa6f3077a4066925db9d9fe8edede51849fb488adf45e7d
SSDEEP 3072:fP5gvNVLIfHQja1RfmLQADwSKkhU+tLgT5lODbiC8r1PkT:X2vnSwjaOcADw9cUeCOf
TLSH
T168141200DBB4A1E8D498607B0AC3A311F7F2DACEBB735BF152D6D12BAF41F162459890
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

kugua.dll

Path \??\c:\Program Files\lqnyd\kugua.dll
Size 141KB
SHA256 1f95801b7a4babc171bd5936a1369b5a09e530c66cfbce906cdb4f138d66f422
MD5 491c593e72db92b7920d35426b2e0be1
SHA1 1f932d9828ebc577a8d1049ad9c66f82db7b0aec
SHA512 c07ed37eebc726535c232565cd80ad591da9e4110538ff9fb3ea3d2460e370d2826a41a472872b29d4935c5dcdfec8fabda1e2122339257e7399f0e4bd38fe3b
SSDEEP 3072:RGmRmNJToTJfp2D1QzpSyiJEkGSPf1bc4lv:RGMmfToTJY6zpSyvkGSn1tlv
TLSH
T121E302E0F3B7C4B6C269573183937DF3162CF5346B18072AFD62A32769394C44A9DA1A
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2248-9-0x0000000000400000-0x000000000044901D-memory.dmp

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memory/2248-8-0x0000000000400000-0x000000000044901D-memory.dmp

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memory/2248-13-0x0000000000400000-0x000000000044901D-memory.dmp

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memory/3096-16-0x0000000010000000-0x000000001004E000-memory.dmp

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memory/3096-17-0x0000000010000000-0x000000001004E000-memory.dmp

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memory/3096-19-0x0000000010000000-0x000000001004E000-memory.dmp

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memory/3096-22-0x0000000010000000-0x000000001004E000-memory.dmp

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memory/3192-5-0x0000000000400000-0x000000000044901D-memory.dmp

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memory/3192-0-0x0000000000400000-0x000000000044901D-memory.dmp

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memory/3192-2-0x0000000000400000-0x000000000044901D-memory.dmp

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memory/3192-1-0x0000000000400000-0x000000000044901D-memory.dmp

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