farfli | 102d705450d6a69c01a1724418b5caa49439a45982fea847dfca801e214f4222

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
24/08/2026, 10:32

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General

Target
102d705450d6a69c01a1724418b5caa49439a45982fea847dfca801e214f4222.exe
Size 199KB
Sample260824-mlbnpsfk6w
SHA256 102d705450d6a69c01a1724418b5caa49439a45982fea847dfca801e214f4222
MD5 22e8bd591c695f46ae65aa04500690c5
SHA1 ef61b297304c6169ac5dcee45946196fb9ba1fce
SHA512 89fcd97a41d792af6ca8dcefe323ba1bc32bfe95608b11d3060dcede0097c9651ec9283d6769b2e823113bd0c3c8a4d5424a8c07e0bb8a3c5953c5909ab51ebc
SSDEEP 3072:fP5gvNVLIfHQja1RfmLQADwSKkhU+tLgT5lODbiC8r1PkT:X2vnSwjaOcADw9cUeCOf
TLSH
T1B6141200DBA461E4D498747A0AC37321EBF29ACDEB735BF152D6D23B9F51F162819890
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/6132-16-0x0000000010000000-0x000000001004E000-memory.dmp	family_farfli
behavioral2/memory/6132-18-0x0000000010000000-0x000000001004E000-memory.dmp	family_farfli
behavioral2/memory/6132-21-0x0000000010000000-0x000000001004E000-memory.dmp	family_farfli

Deletes itself 1 IoCs

pid	Process
2952	qfoehsrt.exe

Executes dropped EXE 2 IoCs

pid	Process
2952	qfoehsrt.exe
6132	ruzg.exe

Loads dropped DLL 1 IoCs

pid	Process
6132	ruzg.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-1-5-21-3986082593-3624157295-3514260330-1000\Software\Microsoft\Windows\CurrentVersion\Run\Depend = "c:\\Program Files\\tzaukoya\\ruzg.exe \"c:\\Program Files\\tzaukoya\\ruzgm.dll\",Compliance"	ruzg.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)	\??\g:	ruzg.exe
File opened (read-only)	\??\h:	ruzg.exe
File opened (read-only)	\??\n:	ruzg.exe
File opened (read-only)	\??\o:	ruzg.exe
File opened (read-only)	\??\t:	ruzg.exe
File opened (read-only)	\??\w:	ruzg.exe
File opened (read-only)	\??\i:	ruzg.exe
File opened (read-only)	\??\k:	ruzg.exe
File opened (read-only)	\??\l:	ruzg.exe
File opened (read-only)	\??\r:	ruzg.exe
File opened (read-only)	\??\s:	ruzg.exe
File opened (read-only)	\??\v:	ruzg.exe
File opened (read-only)	\??\x:	ruzg.exe
File opened (read-only)	\??\y:	ruzg.exe
File opened (read-only)	\??\d:	ruzg.exe
File opened (read-only)	\??\m:	ruzg.exe
File opened (read-only)	\??\p:	ruzg.exe
File opened (read-only)	\??\u:	ruzg.exe
File opened (read-only)	\??\a:	ruzg.exe
File opened (read-only)	\??\b:	ruzg.exe
File opened (read-only)	\??\j:	ruzg.exe
File opened (read-only)	\??\q:	ruzg.exe
File opened (read-only)	\??\z:	ruzg.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	ruzg.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	\??\c:\Program Files\tzaukoya	qfoehsrt.exe
File created	\??\c:\Program Files\tzaukoya\ruzgm.dll	qfoehsrt.exe
File created	\??\c:\Program Files\tzaukoya\ruzg.exe	qfoehsrt.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
3156	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	102d705450d6a69c01a1724418b5caa49439a45982fea847dfca801e214f4222.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	qfoehsrt.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ruzg.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
3156	cmd.exe
3436	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	ruzg.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	ruzg.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
3436	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
6132	ruzg.exe
6132	ruzg.exe
6132	ruzg.exe
6132	ruzg.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	6132	ruzg.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1456	102d705450d6a69c01a1724418b5caa49439a45982fea847dfca801e214f4222.exe
2952	qfoehsrt.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1456 wrote to memory of 3156	1456	102d705450d6a69c01a1724418b5caa49439a45982fea847dfca801e214f4222.exe	89
PID 3156 wrote to memory of 3436	3156	cmd.exe	91
PID 3156 wrote to memory of 2952	3156	cmd.exe	92
PID 2952 wrote to memory of 6132	2952	qfoehsrt.exe	93

C:\Users\Admin\AppData\Local\Temp\102d705450d6a69c01a1724418b5caa49439a45982fea847dfca801e214f4222.exe
"C:\Users\Admin\AppData\Local\Temp\102d705450d6a69c01a1724418b5caa49439a45982fea847dfca801e214f4222.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1456
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\qfoehsrt.exe "C:\Users\Admin\AppData\Local\Temp\102d705450d6a69c01a1724418b5caa49439a45982fea847dfca801e214f4222.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:3156
- - 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:3436
- - C:\Users\Admin\AppData\Local\Temp\qfoehsrt.exe
    C:\Users\Admin\AppData\Local\Temp\\qfoehsrt.exe "C:\Users\Admin\AppData\Local\Temp\102d705450d6a69c01a1724418b5caa49439a45982fea847dfca801e214f4222.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:2952
  - - \??\c:\Program Files\tzaukoya\ruzg.exe
      "c:\Program Files\tzaukoya\ruzg.exe" "c:\Program Files\tzaukoya\ruzgm.dll",Compliance C:\Users\Admin\AppData\Local\Temp\qfoehsrt.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:6132

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

ruzg.exe

Path C:\Program Files\tzaukoya\ruzg.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

qfoehsrt.exe

Path C:\Users\Admin\AppData\Local\Temp\qfoehsrt.exe
Size 199KB
SHA256 3c0997ddcc020f3c9fd455d80d2aa83116779954e2f2e70ed859ab925f7b034b
MD5 3a0a4acc2ccb9af23e23c8cacfbca627
SHA1 245b73d88f3bc20913237151b9165a25cb9f981b
SHA512 425dab00826f109bffac82eb65a578eb0894eb4d7bb8ef5248947dd9157eb02c067f39475a485bfadb8d6113f5543f56c3c26c4ca494e93e5b47e85ef10584f4
SSDEEP 3072:fP5gvNVLIfHQja1RfmLQADwSKkhU+tLgT5lODbiC8r1PkTF:X2vnSwjaOcADw9cUeCOfn
TLSH
T15E141200DBA461E8D498747B0AC37321EBF29ACDEB735BF152D6D23B9F51F162819890
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

ruzgm.dll

Path \??\c:\Program Files\tzaukoya\ruzgm.dll
Size 141KB
SHA256 fe932a8381e6632efc600e69573733156db1211803b143779ba5cfc4ec669fdd
MD5 e9f701725a944ca7f5cfd4fd9e0b4a8b
SHA1 5df0d77b89652d1d7b95eab6ba5231a83d4f7825
SHA512 c2c9b81a9257a78f30074719f67e2466da4ac2b650cfa4c09cabd1de50ebc13624346e532875bd548465a754d5711052cc679ea890fefb9e91aff327c626a2ff
SSDEEP 3072:RGmRmNJToTJfp2D1QzpSyiJEkGSPf1bc4lK:RGMmfToTJY6zpSyvkGSn1tlK
TLSH
T1DCE312E0E377C4B6C269573143937DF3162CF5346B18072EFD62A32769394C44A9DA1A
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1456-4-0x0000000000400000-0x000000000044901D-memory.dmp

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memory/1456-0-0x0000000000400000-0x000000000044901D-memory.dmp

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memory/1456-1-0x0000000000400000-0x000000000044901D-memory.dmp

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memory/1456-2-0x0000000000400000-0x000000000044901D-memory.dmp

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memory/2952-7-0x0000000000400000-0x000000000044901D-memory.dmp

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memory/2952-8-0x0000000000400000-0x000000000044901D-memory.dmp

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memory/2952-12-0x0000000000400000-0x000000000044901D-memory.dmp

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memory/6132-15-0x0000000010000000-0x000000001004E000-memory.dmp

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memory/6132-16-0x0000000010000000-0x000000001004E000-memory.dmp

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memory/6132-18-0x0000000010000000-0x000000001004E000-memory.dmp

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memory/6132-21-0x0000000010000000-0x000000001004E000-memory.dmp

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