farfli | a4aac1dc76c71a26458c85c8ef6ae783bad6d104a067a41c2be216e33d2865bc

Analysis

max time kernel
148s
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
08/08/2026, 09:41

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General

Target
a4aac1dc76c71a26458c85c8ef6ae783bad6d104a067a41c2be216e33d2865bc.exe
Size 242KB
Sample260808-lnvc6atgrd
SHA256 a4aac1dc76c71a26458c85c8ef6ae783bad6d104a067a41c2be216e33d2865bc
MD5 d25679a563f73815294dccb208ec8a8e
SHA1 208de4ab05d38b003f266c59314801ec80ffb6a6
SHA512 bf3979892db9399c31b277678c6c5cf68351e126feaa50694b9d1755f7b15dd30048c75ae1e6fdb8e0d057aab973081cc8922c2699302ccd78c739db73cccd26
SSDEEP 3072:fP5gvNVLIfHQja1RfmLQADwSKkhU+tLgT5lODbiC8r1PkTFKw:X2vnSwjaOcADw9cUeCOff
TLSH
T1CE340100D7B2E5E8D44824BA0787D310EAE1DC9E7F73677143D9E31FAB41F1AA4AA194
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/236-15-0x0000000010000000-0x000000001004E000-memory.dmp	family_farfli
behavioral2/memory/236-17-0x0000000010000000-0x000000001004E000-memory.dmp	family_farfli
behavioral2/memory/236-20-0x0000000010000000-0x000000001004E000-memory.dmp	family_farfli

Deletes itself 1 IoCs

pid	Process
1972	cwiqp.exe

Executes dropped EXE 2 IoCs

pid	Process
1972	cwiqp.exe
236	jsnby.exe

Loads dropped DLL 1 IoCs

pid	Process
236	jsnby.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-1-5-21-3797332335-34111092-3597280141-1000\Software\Microsoft\Windows\CurrentVersion\Run\Depend = "c:\\Program Files\\xukyjk\\jsnby.exe \"c:\\Program Files\\xukyjk\\jsnby.dll\",Compliance"	jsnby.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:	jsnby.exe
File opened (read-only)	\??\h:	jsnby.exe
File opened (read-only)	\??\j:	jsnby.exe
File opened (read-only)	\??\l:	jsnby.exe
File opened (read-only)	\??\o:	jsnby.exe
File opened (read-only)	\??\p:	jsnby.exe
File opened (read-only)	\??\r:	jsnby.exe
File opened (read-only)	\??\w:	jsnby.exe
File opened (read-only)	\??\n:	jsnby.exe
File opened (read-only)	\??\s:	jsnby.exe
File opened (read-only)	\??\u:	jsnby.exe
File opened (read-only)	\??\x:	jsnby.exe
File opened (read-only)	\??\i:	jsnby.exe
File opened (read-only)	\??\m:	jsnby.exe
File opened (read-only)	\??\t:	jsnby.exe
File opened (read-only)	\??\z:	jsnby.exe
File opened (read-only)	\??\b:	jsnby.exe
File opened (read-only)	\??\d:	jsnby.exe
File opened (read-only)	\??\g:	jsnby.exe
File opened (read-only)	\??\k:	jsnby.exe
File opened (read-only)	\??\q:	jsnby.exe
File opened (read-only)	\??\v:	jsnby.exe
File opened (read-only)	\??\y:	jsnby.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	jsnby.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	\??\c:\Program Files\xukyjk\jsnby.dll	cwiqp.exe
File created	\??\c:\Program Files\xukyjk\jsnby.exe	cwiqp.exe
File opened for modification	\??\c:\Program Files\xukyjk	cwiqp.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
5076	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	a4aac1dc76c71a26458c85c8ef6ae783bad6d104a067a41c2be216e33d2865bc.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	cwiqp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	jsnby.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
3852	PING.EXE
5076	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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	jsnby.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	jsnby.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
3852	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
236	jsnby.exe
236	jsnby.exe
236	jsnby.exe
236	jsnby.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	236	jsnby.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1104	a4aac1dc76c71a26458c85c8ef6ae783bad6d104a067a41c2be216e33d2865bc.exe
1972	cwiqp.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1104 wrote to memory of 5076	1104	a4aac1dc76c71a26458c85c8ef6ae783bad6d104a067a41c2be216e33d2865bc.exe	89
PID 5076 wrote to memory of 3852	5076	cmd.exe	91
PID 5076 wrote to memory of 1972	5076	cmd.exe	92
PID 1972 wrote to memory of 236	1972	cwiqp.exe	93

C:\Users\Admin\AppData\Local\Temp\a4aac1dc76c71a26458c85c8ef6ae783bad6d104a067a41c2be216e33d2865bc.exe
"C:\Users\Admin\AppData\Local\Temp\a4aac1dc76c71a26458c85c8ef6ae783bad6d104a067a41c2be216e33d2865bc.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1104
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\cwiqp.exe "C:\Users\Admin\AppData\Local\Temp\a4aac1dc76c71a26458c85c8ef6ae783bad6d104a067a41c2be216e33d2865bc.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:5076
- - 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:3852
- - C:\Users\Admin\AppData\Local\Temp\cwiqp.exe
    C:\Users\Admin\AppData\Local\Temp\\cwiqp.exe "C:\Users\Admin\AppData\Local\Temp\a4aac1dc76c71a26458c85c8ef6ae783bad6d104a067a41c2be216e33d2865bc.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:1972
  - - \??\c:\Program Files\xukyjk\jsnby.exe
      "c:\Program Files\xukyjk\jsnby.exe" "c:\Program Files\xukyjk\jsnby.dll",Compliance C:\Users\Admin\AppData\Local\Temp\cwiqp.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:236

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

jsnby.exe

Path C:\Program Files\xukyjk\jsnby.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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cwiqp.exe

Path C:\Users\Admin\AppData\Local\Temp\cwiqp.exe
Size 243KB
SHA256 b890b58fd1f251c0c36cbd7db23807b230ecb66fcacfa799c54a420cf84d7c1e
MD5 490a085b6803bc73a9cb9f6d7d94ac61
SHA1 cec457b0d727c53cf360ad475d1ba6790d85ee5e
SHA512 339c3e17656a759c71fdc07bdebb590cc0b55b12cfb853498a379c7338c9fa75a1d4498ea4ee729c3bbb7e7b970d43fda4adfada336e19bbf2088c467c808dbd
SSDEEP 3072:fP5gvNVLIfHQja1RfmLQADwSKkhU+tLgT5lODbiC8r1PkTFK:X2vnSwjaOcADw9cUeCOf
TLSH
T172340100D7B2E5E8D44824BA0787D310EAE1DC9E7F73677143D9E31FAB41F1AA4AA194
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

jsnby.dll

Path \??\c:\Program Files\xukyjk\jsnby.dll
Size 141KB
SHA256 592afd0e1235335e23a9915c5b293294aa28233b81a394f0bfc2b042274394a2
MD5 752140dfb57c84fe2ae2f379022ef5c0
SHA1 5a83caaf048b785124551e6381c392bbe5be9f05
SHA512 22e7bf49c3c9c594aca5664a333194adfed94328cb824fa090f7234e025cbd665c216ab58ce118518c82970a3e5bb299be61131a4a64fda131c81c8b12cc7ca2
SSDEEP 3072:RGmRmNJToTJfp2D1QzpSyiJEkGSPf1bc4lL:RGMmfToTJY6zpSyvkGSn1tlL
TLSH
T1B8E312E0E3A7C4B6C269573183937DF3162CF5346B18072EFD62A32769394C44B9DA1A
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/236-20-0x0000000010000000-0x000000001004E000-memory.dmp

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memory/236-17-0x0000000010000000-0x000000001004E000-memory.dmp

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memory/236-15-0x0000000010000000-0x000000001004E000-memory.dmp

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memory/236-14-0x0000000010000000-0x000000001004E000-memory.dmp

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memory/1104-4-0x0000000000400000-0x000000000044901D-memory.dmp

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memory/1104-0-0x0000000000400000-0x000000000044901D-memory.dmp

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memory/1104-1-0x0000000000400000-0x000000000044901D-memory.dmp

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memory/1104-2-0x0000000000400000-0x000000000044901D-memory.dmp

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memory/1972-11-0x0000000000400000-0x000000000044901D-memory.dmp

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memory/1972-8-0x0000000000400000-0x000000000044901D-memory.dmp

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memory/1972-7-0x0000000000400000-0x000000000044901D-memory.dmp

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