farfli | 49adc6a108b02273e18d31a25780afdeff88d9f466a814c5e0d3d94da18d556d

Analysis

max time kernel
148s
max time network
141s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
04/08/2026, 10:56

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General

Target
49adc6a108b02273e18d31a25780afdeff88d9f466a814c5e0d3d94da18d556d.exe
Size 198KB
Sample260804-m1s7astyat
SHA256 49adc6a108b02273e18d31a25780afdeff88d9f466a814c5e0d3d94da18d556d
MD5 abe68c9348fcc8dc4a337568aca8b88a
SHA1 61b255a840fbe071b0eeb3363a24190902f3d916
SHA512 32f82e6df2e83c9887f944d64931d89c709f5c2b6d13180151d9dcf1fbb253957556365101dcbe9c57a4fcf5c6089481ddf2ed3b4b729193314f09a4e6862702
SSDEEP 3072:fP5gvNVLIfHQja1RfmLQADwSKkhU+tLgT5lODbiC8r1PkTI:X2vnSwjaOcADw9cUeCOfq
TLSH
T129141200DBB4A1E4D498747A0AC3A321EBF2DACDBB735BF152D6D12FAF41F162459890
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/4748-15-0x0000000010000000-0x000000001004E000-memory.dmp	family_farfli
behavioral2/memory/4748-16-0x0000000010000000-0x000000001004E000-memory.dmp	family_farfli
behavioral2/memory/4748-18-0x0000000010000000-0x000000001004E000-memory.dmp	family_farfli
behavioral2/memory/4748-21-0x0000000010000000-0x000000001004E000-memory.dmp	family_farfli

Deletes itself 1 IoCs

pid	Process
4164	onpopr.exe

Executes dropped EXE 2 IoCs

pid	Process
4164	onpopr.exe
4748	aqlhkci.exe

Loads dropped DLL 1 IoCs

pid	Process
4748	aqlhkci.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\\jhxwy\\aqlhkci.exe \"c:\\Program Files\\jhxwy\\aqlhkci.dll\",Compliance"	aqlhkci.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)	\??\q:	aqlhkci.exe
File opened (read-only)	\??\s:	aqlhkci.exe
File opened (read-only)	\??\u:	aqlhkci.exe
File opened (read-only)	\??\l:	aqlhkci.exe
File opened (read-only)	\??\m:	aqlhkci.exe
File opened (read-only)	\??\n:	aqlhkci.exe
File opened (read-only)	\??\r:	aqlhkci.exe
File opened (read-only)	\??\z:	aqlhkci.exe
File opened (read-only)	\??\g:	aqlhkci.exe
File opened (read-only)	\??\i:	aqlhkci.exe
File opened (read-only)	\??\j:	aqlhkci.exe
File opened (read-only)	\??\t:	aqlhkci.exe
File opened (read-only)	\??\v:	aqlhkci.exe
File opened (read-only)	\??\x:	aqlhkci.exe
File opened (read-only)	\??\y:	aqlhkci.exe
File opened (read-only)	\??\k:	aqlhkci.exe
File opened (read-only)	\??\p:	aqlhkci.exe
File opened (read-only)	\??\w:	aqlhkci.exe
File opened (read-only)	\??\a:	aqlhkci.exe
File opened (read-only)	\??\b:	aqlhkci.exe
File opened (read-only)	\??\d:	aqlhkci.exe
File opened (read-only)	\??\h:	aqlhkci.exe
File opened (read-only)	\??\o:	aqlhkci.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	aqlhkci.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	\??\c:\Program Files\jhxwy	onpopr.exe
File created	\??\c:\Program Files\jhxwy\aqlhkci.dll	onpopr.exe
File created	\??\c:\Program Files\jhxwy\aqlhkci.exe	onpopr.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
4156	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	49adc6a108b02273e18d31a25780afdeff88d9f466a814c5e0d3d94da18d556d.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	onpopr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	aqlhkci.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
3924	PING.EXE
4156	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	aqlhkci.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	aqlhkci.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
3924	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4748	aqlhkci.exe
4748	aqlhkci.exe
4748	aqlhkci.exe
4748	aqlhkci.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4748	aqlhkci.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3204	49adc6a108b02273e18d31a25780afdeff88d9f466a814c5e0d3d94da18d556d.exe
4164	onpopr.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3204 wrote to memory of 4156	3204	49adc6a108b02273e18d31a25780afdeff88d9f466a814c5e0d3d94da18d556d.exe	89
PID 4156 wrote to memory of 3924	4156	cmd.exe	91
PID 4156 wrote to memory of 4164	4156	cmd.exe	92
PID 4164 wrote to memory of 4748	4164	onpopr.exe	93

C:\Users\Admin\AppData\Local\Temp\49adc6a108b02273e18d31a25780afdeff88d9f466a814c5e0d3d94da18d556d.exe
"C:\Users\Admin\AppData\Local\Temp\49adc6a108b02273e18d31a25780afdeff88d9f466a814c5e0d3d94da18d556d.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3204
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\onpopr.exe "C:\Users\Admin\AppData\Local\Temp\49adc6a108b02273e18d31a25780afdeff88d9f466a814c5e0d3d94da18d556d.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:4156
- - 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:3924
- - C:\Users\Admin\AppData\Local\Temp\onpopr.exe
    C:\Users\Admin\AppData\Local\Temp\\onpopr.exe "C:\Users\Admin\AppData\Local\Temp\49adc6a108b02273e18d31a25780afdeff88d9f466a814c5e0d3d94da18d556d.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:4164
  - - \??\c:\Program Files\jhxwy\aqlhkci.exe
      "c:\Program Files\jhxwy\aqlhkci.exe" "c:\Program Files\jhxwy\aqlhkci.dll",Compliance C:\Users\Admin\AppData\Local\Temp\onpopr.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:4748

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

aqlhkci.exe

Path C:\Program Files\jhxwy\aqlhkci.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

onpopr.exe

Path C:\Users\Admin\AppData\Local\Temp\onpopr.exe
Size 198KB
SHA256 3d9ed5abe058b69b45dd7ba095477542aebdefdc19b7da75ec4729b2f7756031
MD5 ea9f54af7969930446de5379f652532a
SHA1 bf163d49197f32f13eb8c8250a179f8a19ae4690
SHA512 cc23e0a655283410dd43a1196528adf2fffb27a9eb67b09896d708cbdf92ee8bb1d59c4e02198b032be8faab27a7b73b80e5db679dc9c1439be07e5c6b706245
SSDEEP 3072:fP5gvNVLIfHQja1RfmLQADwSKkhU+tLgT5lODbiC8r1PkTk:X2vnSwjaOcADw9cUeCOfS
TLSH
T10C141200CBB4A1E8D498647B0AC3A321EBF2DACDBB735BF152D6D12FAF41F152459990
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

aqlhkci.dll

Path \??\c:\Program Files\jhxwy\aqlhkci.dll
Size 141KB
SHA256 c7d82cd9c652fd5aeefa675e92922fcfd8a41834dbdbce015d0b8808da172fc2
MD5 2b5f5ec5cc0f9745c7634756edca3db1
SHA1 b1c8b1b384d25d2c88a42dc12bd3f356f5e804a6
SHA512 e031cf841fcb0ce2df17bfc5730cf1f7e250a48a02485ab7a52d771ed29335a47d57bae4d4a6c8d45330c62134d432bed1c063642119d252a7a54ad99aeb6244
SSDEEP 3072:RGmRmNJToTJfp2D1QzpSyiJEkGSPf1bc4l4:RGMmfToTJY6zpSyvkGSn1tl4
TLSH
T128E312E0F367C4B6C269173143937DF31628F5346B18072EED62A32769394C84B9DA1A
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/3204-5-0x0000000000400000-0x000000000044901D-memory.dmp

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memory/3204-0-0x0000000000400000-0x000000000044901D-memory.dmp

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memory/3204-1-0x0000000000400000-0x000000000044901D-memory.dmp

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memory/3204-2-0x0000000000400000-0x000000000044901D-memory.dmp

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memory/4164-8-0x0000000000400000-0x000000000044901D-memory.dmp

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memory/4164-9-0x0000000000400000-0x000000000044901D-memory.dmp

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memory/4164-12-0x0000000000400000-0x000000000044901D-memory.dmp

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memory/4748-15-0x0000000010000000-0x000000001004E000-memory.dmp

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memory/4748-16-0x0000000010000000-0x000000001004E000-memory.dmp

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memory/4748-18-0x0000000010000000-0x000000001004E000-memory.dmp

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memory/4748-21-0x0000000010000000-0x000000001004E000-memory.dmp

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