farfli | 2943dbb6d6e96d413355e5559ac7be932efa00d968e1d682b38811cc447d44c0

Analysis

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

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
21/08/2026, 11:15

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General

Target
2943dbb6d6e96d413355e5559ac7be932efa00d968e1d682b38811cc447d44c0.exe
Size 231KB
Sample260821-ncm6taba95
SHA256 2943dbb6d6e96d413355e5559ac7be932efa00d968e1d682b38811cc447d44c0
MD5 1f6e2e7099ad0fdc5beb00d1f622c19a
SHA1 5942b8d96c1b9bbadedd965a7f721f0f44a8ba8f
SHA512 334bb42b9bd9c34bbd7515a2c5c40e92fb8570cd2aac50c8f7132699e5caadd56f2673719b221f515f849debfadc12b18037f18eff0f84efc00d8cf6ba99e2fa
SSDEEP 3072:fP5gvNVLIfHQja1RfmLQADwSKkhU+tLgT5lODbiC8r1PkTFU:X2vnSwjaOcADw9cUeCOfU
TLSH
T17D340200DBB2F5E8D44824BA0787D310E6E1DCDE7B73677143D5E22FAB41F1AA4AA194
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/3832-17-0x0000000010000000-0x000000001004E000-memory.dmp	family_farfli
behavioral2/memory/3832-19-0x0000000010000000-0x000000001004E000-memory.dmp	family_farfli
behavioral2/memory/3832-22-0x0000000010000000-0x000000001004E000-memory.dmp	family_farfli

Deletes itself 1 IoCs

pid	Process
4360	yxdkp.exe

Executes dropped EXE 2 IoCs

pid	Process
4360	yxdkp.exe
3832	drslweqxk.exe

Loads dropped DLL 1 IoCs

pid	Process
3832	drslweqxk.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-1-5-21-2115213192-531537726-3295841909-1000\Software\Microsoft\Windows\CurrentVersion\Run\Depend = "c:\\Program Files\\xdjis\\drslweqxk.exe \"c:\\Program Files\\xdjis\\drslweqxk.dll\",Compliance"	drslweqxk.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)	\??\d:	drslweqxk.exe
File opened (read-only)	\??\g:	drslweqxk.exe
File opened (read-only)	\??\v:	drslweqxk.exe
File opened (read-only)	\??\w:	drslweqxk.exe
File opened (read-only)	\??\b:	drslweqxk.exe
File opened (read-only)	\??\i:	drslweqxk.exe
File opened (read-only)	\??\n:	drslweqxk.exe
File opened (read-only)	\??\t:	drslweqxk.exe
File opened (read-only)	\??\u:	drslweqxk.exe
File opened (read-only)	\??\x:	drslweqxk.exe
File opened (read-only)	\??\y:	drslweqxk.exe
File opened (read-only)	\??\h:	drslweqxk.exe
File opened (read-only)	\??\j:	drslweqxk.exe
File opened (read-only)	\??\o:	drslweqxk.exe
File opened (read-only)	\??\q:	drslweqxk.exe
File opened (read-only)	\??\a:	drslweqxk.exe
File opened (read-only)	\??\k:	drslweqxk.exe
File opened (read-only)	\??\l:	drslweqxk.exe
File opened (read-only)	\??\m:	drslweqxk.exe
File opened (read-only)	\??\p:	drslweqxk.exe
File opened (read-only)	\??\r:	drslweqxk.exe
File opened (read-only)	\??\s:	drslweqxk.exe
File opened (read-only)	\??\z:	drslweqxk.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	drslweqxk.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	\??\c:\Program Files\xdjis	yxdkp.exe
File created	\??\c:\Program Files\xdjis\drslweqxk.dll	yxdkp.exe
File created	\??\c:\Program Files\xdjis\drslweqxk.exe	yxdkp.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
1428	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	2943dbb6d6e96d413355e5559ac7be932efa00d968e1d682b38811cc447d44c0.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	yxdkp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	drslweqxk.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
1428	cmd.exe
5656	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	drslweqxk.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	drslweqxk.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
5656	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3832	drslweqxk.exe
3832	drslweqxk.exe
3832	drslweqxk.exe
3832	drslweqxk.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3832	drslweqxk.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3616	2943dbb6d6e96d413355e5559ac7be932efa00d968e1d682b38811cc447d44c0.exe
4360	yxdkp.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3616 wrote to memory of 1428	3616	2943dbb6d6e96d413355e5559ac7be932efa00d968e1d682b38811cc447d44c0.exe	89
PID 1428 wrote to memory of 5656	1428	cmd.exe	91
PID 1428 wrote to memory of 4360	1428	cmd.exe	92
PID 4360 wrote to memory of 3832	4360	yxdkp.exe	93

C:\Users\Admin\AppData\Local\Temp\2943dbb6d6e96d413355e5559ac7be932efa00d968e1d682b38811cc447d44c0.exe
"C:\Users\Admin\AppData\Local\Temp\2943dbb6d6e96d413355e5559ac7be932efa00d968e1d682b38811cc447d44c0.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3616
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\yxdkp.exe "C:\Users\Admin\AppData\Local\Temp\2943dbb6d6e96d413355e5559ac7be932efa00d968e1d682b38811cc447d44c0.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:1428
- - 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:5656
- - C:\Users\Admin\AppData\Local\Temp\yxdkp.exe
    C:\Users\Admin\AppData\Local\Temp\\yxdkp.exe "C:\Users\Admin\AppData\Local\Temp\2943dbb6d6e96d413355e5559ac7be932efa00d968e1d682b38811cc447d44c0.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:4360
  - - \??\c:\Program Files\xdjis\drslweqxk.exe
      "c:\Program Files\xdjis\drslweqxk.exe" "c:\Program Files\xdjis\drslweqxk.dll",Compliance C:\Users\Admin\AppData\Local\Temp\yxdkp.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:3832

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

drslweqxk.exe

Path C:\Program Files\xdjis\drslweqxk.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

yxdkp.exe

Path C:\Users\Admin\AppData\Local\Temp\yxdkp.exe
Size 231KB
SHA256 4143e2307b1c1caa0ec1e2a02fd37aae1c9e27addce28539b304b7e8ce128c0a
MD5 cffccd081d51301695ef8eb1555a0a1c
SHA1 ecdaa7635b277d78dd18de5a9915382b78aab420
SHA512 964588cc3b610db77a7a93c3caf76fad85092a8f2e7b30601538c9902b4a8ffcd06a7254953db38f30e46e0f517b26691663f670684a252785f41979119afa56
SSDEEP 3072:fP5gvNVLIfHQja1RfmLQADwSKkhU+tLgT5lODbiC8r1PkTF:X2vnSwjaOcADw9cUeCOf
TLSH
T13E340200DBB2F5E8D448247A0787D310E6E1DCDE7B73677143D5E22FAB41F1AA4AA194
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

drslweqxk.dll

Path \??\c:\Program Files\xdjis\drslweqxk.dll
Size 141KB
SHA256 304b99493eb3093d9f977d57aa169bf581455f1eddba20867b4e994516894f6e
MD5 2e17ba0f3b853cf680e530631f93651f
SHA1 15e98e0d23aafc31330aa6326920072e5819ff43
SHA512 a9e670a36b2535528d209e2cac1359b4d0fb3702d04a0045c99cd55a1357cb4b6565cb079bb0e1f235f13dd59ae7ed2151420b3f31db7b0ec1e6ddb61aaa8581
SSDEEP 3072:RGmRmNJToTJfp2D1QzpSyiJEkGSPf1bc4l6:RGMmfToTJY6zpSyvkGSn1tl6
TLSH
T1A9E312E0E3B7C4B6C265573143937DF31628F4346B18072EFD62A32769394C84A9DA16
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/3616-5-0x0000000000400000-0x000000000044901D-memory.dmp

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memory/3616-0-0x0000000000400000-0x000000000044901D-memory.dmp

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memory/3616-1-0x0000000000400000-0x000000000044901D-memory.dmp

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memory/3616-2-0x0000000000400000-0x000000000044901D-memory.dmp

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memory/3832-16-0x0000000010000000-0x000000001004E000-memory.dmp

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memory/3832-17-0x0000000010000000-0x000000001004E000-memory.dmp

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memory/3832-19-0x0000000010000000-0x000000001004E000-memory.dmp

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memory/3832-22-0x0000000010000000-0x000000001004E000-memory.dmp

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memory/4360-9-0x0000000000400000-0x000000000044901D-memory.dmp

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memory/4360-8-0x0000000000400000-0x000000000044901D-memory.dmp

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memory/4360-13-0x0000000000400000-0x000000000044901D-memory.dmp

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