farfli | 1938cef022eaafeb67fb78f87f89928f89f99e17c1b51d91755ea9df5ae684e6

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
08/08/2026, 08:32

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General

Target
1938cef022eaafeb67fb78f87f89928f89f99e17c1b51d91755ea9df5ae684e6.exe
Size 198KB
Sample260808-kfkcjstamd
SHA256 1938cef022eaafeb67fb78f87f89928f89f99e17c1b51d91755ea9df5ae684e6
MD5 0feaecd286e6e6876882311b87896c30
SHA1 4dc0d9ec5b8d520275d3f7e9971c0c01b2f4f337
SHA512 c33b8b475493e01aee80860afe3652070c1994e7ba4028253a0ae7c69194703b01eecddc1dca75509a9e082a13a83ca4896fb870543930a745aceeb518db76b3
SSDEEP 3072:fP5gvNVLIfHQja1RfmLQADwSKkhU+tLgT5lODbiC8r1PkTu:X2vnSwjaOcADw9cUeCOfY
TLSH
T1FF141200DBB4A1E4D498747A0AC3A221E7F2DACDBB735BB152D6D22FAF41F152459890
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
behavioral1/memory/4772-20-0x0000000010000000-0x000000001004E000-memory.dmp	family_farfli
behavioral1/memory/4772-22-0x0000000010000000-0x000000001004E000-memory.dmp	family_farfli
behavioral1/memory/4772-25-0x0000000010000000-0x000000001004E000-memory.dmp	family_farfli

Deletes itself 1 IoCs

pid	Process
1992	lraesul.exe

Executes dropped EXE 2 IoCs

pid	Process
1992	lraesul.exe
4772	hwrlqpwx.exe

Loads dropped DLL 1 IoCs

pid	Process
4772	hwrlqpwx.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-1-5-21-204488895-2999877624-296153668-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Depend = "c:\\Program Files\\rbmmh\\hwrlqpwx.exe \"c:\\Program Files\\rbmmh\\hwrlqpwx.dll\",Compliance"	hwrlqpwx.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)	\??\n:	hwrlqpwx.exe
File opened (read-only)	\??\p:	hwrlqpwx.exe
File opened (read-only)	\??\t:	hwrlqpwx.exe
File opened (read-only)	\??\v:	hwrlqpwx.exe
File opened (read-only)	\??\w:	hwrlqpwx.exe
File opened (read-only)	\??\a:	hwrlqpwx.exe
File opened (read-only)	\??\g:	hwrlqpwx.exe
File opened (read-only)	\??\j:	hwrlqpwx.exe
File opened (read-only)	\??\k:	hwrlqpwx.exe
File opened (read-only)	\??\m:	hwrlqpwx.exe
File opened (read-only)	\??\o:	hwrlqpwx.exe
File opened (read-only)	\??\s:	hwrlqpwx.exe
File opened (read-only)	\??\u:	hwrlqpwx.exe
File opened (read-only)	\??\h:	hwrlqpwx.exe
File opened (read-only)	\??\q:	hwrlqpwx.exe
File opened (read-only)	\??\z:	hwrlqpwx.exe
File opened (read-only)	\??\l:	hwrlqpwx.exe
File opened (read-only)	\??\r:	hwrlqpwx.exe
File opened (read-only)	\??\x:	hwrlqpwx.exe
File opened (read-only)	\??\y:	hwrlqpwx.exe
File opened (read-only)	\??\b:	hwrlqpwx.exe
File opened (read-only)	\??\e:	hwrlqpwx.exe
File opened (read-only)	\??\i:	hwrlqpwx.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	hwrlqpwx.exe

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File opened for modification	\??\c:\Program Files\rbmmh	lraesul.exe
File created	\??\c:\Program Files\rbmmh\hwrlqpwx.dll	lraesul.exe
File created	\??\c:\Program Files\rbmmh\hwrlqpwx.exe	lraesul.exe
File opened for modification	\??\c:\Program Files\rbmmh\hwrlqpwx.exe	lraesul.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
2764	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	1938cef022eaafeb67fb78f87f89928f89f99e17c1b51d91755ea9df5ae684e6.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	lraesul.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hwrlqpwx.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
2764	cmd.exe
3848	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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	hwrlqpwx.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	hwrlqpwx.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
3848	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4772	hwrlqpwx.exe
4772	hwrlqpwx.exe
4772	hwrlqpwx.exe
4772	hwrlqpwx.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4772	hwrlqpwx.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4740	1938cef022eaafeb67fb78f87f89928f89f99e17c1b51d91755ea9df5ae684e6.exe
1992	lraesul.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4740 wrote to memory of 2764	4740	1938cef022eaafeb67fb78f87f89928f89f99e17c1b51d91755ea9df5ae684e6.exe	86
PID 2764 wrote to memory of 3848	2764	cmd.exe	88
PID 2764 wrote to memory of 1992	2764	cmd.exe	89
PID 1992 wrote to memory of 4772	1992	lraesul.exe	90

C:\Users\Admin\AppData\Local\Temp\1938cef022eaafeb67fb78f87f89928f89f99e17c1b51d91755ea9df5ae684e6.exe
"C:\Users\Admin\AppData\Local\Temp\1938cef022eaafeb67fb78f87f89928f89f99e17c1b51d91755ea9df5ae684e6.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4740
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\lraesul.exe "C:\Users\Admin\AppData\Local\Temp\1938cef022eaafeb67fb78f87f89928f89f99e17c1b51d91755ea9df5ae684e6.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:2764
- - 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:3848
- - C:\Users\Admin\AppData\Local\Temp\lraesul.exe
    C:\Users\Admin\AppData\Local\Temp\\lraesul.exe "C:\Users\Admin\AppData\Local\Temp\1938cef022eaafeb67fb78f87f89928f89f99e17c1b51d91755ea9df5ae684e6.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:1992
  - - \??\c:\Program Files\rbmmh\hwrlqpwx.exe
      "c:\Program Files\rbmmh\hwrlqpwx.exe" "c:\Program Files\rbmmh\hwrlqpwx.dll",Compliance C:\Users\Admin\AppData\Local\Temp\lraesul.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:4772

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

hwrlqpwx.exe

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

Submit Download

lraesul.exe

Path C:\Users\Admin\AppData\Local\Temp\lraesul.exe
Size 199KB
SHA256 1df519958eea57e311f4ed648cbe4b5b8a28f8edef48839cf6b77deb6d55461f
MD5 1282ece5dfe2acee02f0a4c056e236a9
SHA1 3a0a4d3709cde1208e7d2c5a15c684e0260bbd75
SHA512 ba6ae32ed8332ab759c56a266a7adba90d9196f38a6e148c34d8dc21990be8456b190a25a0a16d3c83c24551d69fd23f1258496728bc42bce8be9e7b8b96b6ef
SSDEEP 3072:fP5gvNVLIfHQja1RfmLQADwSKkhU+tLgT5lODbiC8r1PkTv:X2vnSwjaOcADw9cUeCOf9
TLSH
T103141200DBB4A1E4D499347A0AC36321EBF2DECDBB735BB192D6D22FAF41F152459890
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

hwrlqpwx.dll

Path \??\c:\Program Files\rbmmh\hwrlqpwx.dll
Size 141KB
SHA256 de397c9a8bc76365ea35af457a1d14a43a92ecdf58eb69e3e874f66633d09915
MD5 5a37645a8c9cb32e12b33dd303a71e1b
SHA1 d9afd77a245e8f0eeb8a3391d0f4586819a24021
SHA512 79cc05b002c1456b251386817ade79f6164bc66cbaa63574e4eed17963b0248d866c411d1b521d535b6c83fe7277b71fd5e6530a289bbc0dc91f69d0960d11db
SSDEEP 3072:RGmRmNJToTJfp2D1QzpSyiJEkGSPf1bc4lo:RGMmfToTJY6zpSyvkGSn1tlo
TLSH
T169E312E0F3A7C4B6C265573187937DF3161CF4346B18072EFD62A32769394C44A9DA1A
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1992-8-0x0000000000400000-0x000000000044901D-memory.dmp

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memory/1992-15-0x0000000000400000-0x000000000044901D-memory.dmp

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memory/1992-9-0x0000000000400000-0x000000000044901D-memory.dmp

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memory/4740-4-0x0000000000400000-0x000000000044901D-memory.dmp

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memory/4740-0-0x0000000000400000-0x000000000044901D-memory.dmp

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memory/4740-2-0x0000000000400000-0x000000000044901D-memory.dmp

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memory/4740-1-0x0000000000400000-0x000000000044901D-memory.dmp

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memory/4772-19-0x0000000010000000-0x000000001004E000-memory.dmp

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memory/4772-20-0x0000000010000000-0x000000001004E000-memory.dmp

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memory/4772-22-0x0000000010000000-0x000000001004E000-memory.dmp

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memory/4772-25-0x0000000010000000-0x000000001004E000-memory.dmp

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