farfli | ed19c86a95f3fabd0f334232d329edc6bc19e7c0749804e78b0b82a442d27667

Analysis

max time kernel
149s
max time network
147s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
09/08/2026, 09:38

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General

Target
ed19c86a95f3fabd0f334232d329edc6bc19e7c0749804e78b0b82a442d27667.exe
Size 651KB
Sample260809-ll8srsytcy
SHA256 ed19c86a95f3fabd0f334232d329edc6bc19e7c0749804e78b0b82a442d27667
MD5 110298094ae027dcf4150423ccfef7bb
SHA1 0b1d641fc7870925a3e433578cf6fadff525009e
SHA512 e6138dd5cda752b657cd37d2e24dec2a9001e8298007bad5acbf63902475c61b8b32139d9bbc43967127af4a4d817d65b35d73553289f6e018e5b4e1926cd75c
SSDEEP 6144:PQJf3uMxrbLgEN6S7KzA5x3S5+y3D82oC0UdkgxgfOqy:4J130ENL7kArI+y3XipfOZ
TLSH
T197E412F11964E42FE09810B6E78DE83166E0DCC639A50B3293E47B0EB3C590BF57A235
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

backdoor bootkit discovery execution farfli persistence spyware stealer

Malware Config

Signatures

Family: Farfli
Farfli is a Windows backdoor written in C++.
backdoor farfli

Detects Farfli Backdoor 2 IoCs

resource	yara_rule
behavioral2/memory/4236-16-0x0000000010000000-0x0000000010054000-memory.dmp	family_farfli
behavioral2/memory/4236-21-0x0000000010000000-0x0000000010054000-memory.dmp	family_farfli

Badlisted process makes network request 15 IoCs

Network request originating from process or tool commonly abused by malware.

flow	pid	Process
4	4236	rundll32.exe
5	4236	rundll32.exe
7	4236	rundll32.exe
6	4236	rundll32.exe
8	4236	rundll32.exe
13	4236	rundll32.exe
14	4236	rundll32.exe
15	4236	rundll32.exe
16	4236	rundll32.exe
17	4236	rundll32.exe
19	4236	rundll32.exe
20	4236	rundll32.exe
21	4236	rundll32.exe
22	4236	rundll32.exe
23	4236	rundll32.exe

Deletes itself 1 IoCs

pid	Process
3932	teutn.exe

Executes dropped EXE 3 IoCs

pid	Process
3932	teutn.exe
4604	wiseman.exe
2220	wiseman.exe

Loads dropped DLL 1 IoCs

pid	Process
4236	rundll32.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 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1738198120-2966725515-3980530802-1000\Software\Microsoft\Windows\CurrentVersion\Run\EvtMgr = "c:\\windows\\SysWOW64\\rundll32.exe \"c:\\drgqq\\ipgqhblo.pqi\",RAFlush"	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1738198120-2966725515-3980530802-1000\Software\Microsoft\Windows\CurrentVersion\Run\Wiseman = "C:\\wiseman.exe"	wiseman.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:	rundll32.exe
File opened (read-only)	\??\d:	rundll32.exe
File opened (read-only)	\??\g:	rundll32.exe
File opened (read-only)	\??\l:	rundll32.exe
File opened (read-only)	\??\n:	rundll32.exe
File opened (read-only)	\??\o:	rundll32.exe
File opened (read-only)	\??\r:	rundll32.exe
File opened (read-only)	\??\z:	rundll32.exe
File opened (read-only)	\??\j:	rundll32.exe
File opened (read-only)	\??\k:	rundll32.exe
File opened (read-only)	\??\m:	rundll32.exe
File opened (read-only)	\??\v:	rundll32.exe
File opened (read-only)	\??\x:	rundll32.exe
File opened (read-only)	\??\h:	rundll32.exe
File opened (read-only)	\??\i:	rundll32.exe
File opened (read-only)	\??\s:	rundll32.exe
File opened (read-only)	\??\t:	rundll32.exe
File opened (read-only)	\??\u:	rundll32.exe
File opened (read-only)	\??\w:	rundll32.exe
File opened (read-only)	\??\b:	rundll32.exe
File opened (read-only)	\??\p:	rundll32.exe
File opened (read-only)	\??\q:	rundll32.exe
File opened (read-only)	\??\y:	rundll32.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	rundll32.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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
5124	cmd.exe

System Location Discovery: System Language Discovery 1 TTPs 7 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	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	teutn.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wiseman.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wiseman.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ed19c86a95f3fabd0f334232d329edc6bc19e7c0749804e78b0b82a442d27667.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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
5124	cmd.exe
4356	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	rundll32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	rundll32.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4356	PING.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4236	rundll32.exe
4236	rundll32.exe
4236	rundll32.exe
4236	rundll32.exe
4236	rundll32.exe
4236	rundll32.exe
4236	rundll32.exe
4236	rundll32.exe
4236	rundll32.exe
4236	rundll32.exe
4236	rundll32.exe
4236	rundll32.exe
4236	rundll32.exe
4236	rundll32.exe
4236	rundll32.exe
4236	rundll32.exe
4236	rundll32.exe
4236	rundll32.exe
4236	rundll32.exe
4236	rundll32.exe
4236	rundll32.exe
4236	rundll32.exe
4236	rundll32.exe
4236	rundll32.exe
4236	rundll32.exe
4236	rundll32.exe
4236	rundll32.exe
4236	rundll32.exe
4236	rundll32.exe
4236	rundll32.exe
4236	rundll32.exe
4236	rundll32.exe
4236	rundll32.exe
4236	rundll32.exe
4236	rundll32.exe
4236	rundll32.exe
4236	rundll32.exe
4236	rundll32.exe
4236	rundll32.exe
4236	rundll32.exe
4236	rundll32.exe
4236	rundll32.exe
4236	rundll32.exe
4236	rundll32.exe
4236	rundll32.exe
4236	rundll32.exe
4236	rundll32.exe
4236	rundll32.exe
4236	rundll32.exe
4236	rundll32.exe
4236	rundll32.exe
4236	rundll32.exe
4236	rundll32.exe
4236	rundll32.exe
4236	rundll32.exe
4236	rundll32.exe
4236	rundll32.exe
4236	rundll32.exe
4236	rundll32.exe
4236	rundll32.exe
4236	rundll32.exe
4236	rundll32.exe
4236	rundll32.exe
4236	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4236	rundll32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4676	ed19c86a95f3fabd0f334232d329edc6bc19e7c0749804e78b0b82a442d27667.exe
3932	teutn.exe
4604	wiseman.exe
2220	wiseman.exe
4604	wiseman.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4676 wrote to memory of 5124	4676	ed19c86a95f3fabd0f334232d329edc6bc19e7c0749804e78b0b82a442d27667.exe	88
PID 5124 wrote to memory of 4356	5124	cmd.exe	90
PID 5124 wrote to memory of 3932	5124	cmd.exe	91
PID 3932 wrote to memory of 4236	3932	teutn.exe	92
PID 4236 wrote to memory of 4604	4236	rundll32.exe	93

C:\Users\Admin\AppData\Local\Temp\ed19c86a95f3fabd0f334232d329edc6bc19e7c0749804e78b0b82a442d27667.exe
"C:\Users\Admin\AppData\Local\Temp\ed19c86a95f3fabd0f334232d329edc6bc19e7c0749804e78b0b82a442d27667.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4676
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\teutn.exe "C:\Users\Admin\AppData\Local\Temp\ed19c86a95f3fabd0f334232d329edc6bc19e7c0749804e78b0b82a442d27667.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:5124
- - 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:4356
- - C:\Users\Admin\AppData\Local\Temp\teutn.exe
    C:\Users\Admin\AppData\Local\Temp\\teutn.exe "C:\Users\Admin\AppData\Local\Temp\ed19c86a95f3fabd0f334232d329edc6bc19e7c0749804e78b0b82a442d27667.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:3932
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\drgqq\ipgqhblo.pqi",RAFlush C:\Users\Admin\AppData\Local\Temp\teutn.exe
      4⤵
      Badlisted process makes network request
      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
      Suspicious use of WriteProcessMemory
      PID:4236
    - - C:\wiseman.exe
        
        "C:\wiseman.exe"
        5⤵
        Executes dropped EXE
        Adds Run key to start application
        System Location Discovery: System Language Discovery
        Suspicious use of SetWindowsHookEx
        
        PID:4604

C:\wiseman.exe
C:\wiseman.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:2220

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

teutn.exe

Path C:\Users\Admin\AppData\Local\Temp\teutn.exe
Size 651KB
SHA256 ab2c7c958a32434035b9bc8f09c09c8eb01735e1ffcadad5cb8b5054b88076fb
MD5 85e1fbd5032f09bd10aae10c7e29fa7e
SHA1 def1fc0fe3529773f70e6beae3dfad8c5ea54dd4
SHA512 0337c2fbf78d188c06e9e0439df69252a368b01446ffe34aa973d5220a531b4f8ef7c222c7b20ffdfe6db66103e1dc131a3548a9c2c4a81be953395fa498f5a2
SSDEEP 6144:PQJf3uMxrbLgEN6S7KzA5x3S5+y3D82oC0UdkgxgfOq1:4J130ENL7kArI+y3XipfOG
TLSH
T15AE412F11964E42FE05814B6E78DE83166E0DCC539A50B3293E4BB0EB3C591BF57A235
MD5 SHA1 SHA512 SSDEEP TLSH

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wiseman.exe

Path C:\wiseman.exe
Size 378KB
SHA256 03505198d487e04a8ec82c627d34e4d9145f211140c4c8793b4461621e6bf6ce
MD5 8f242369cf14f2b26ced131d7dd67144
SHA1 d4f2f0f3047300ff5f36af6119ad5e109258fcd0
SHA512 4516b3fa2f68e64baf166bc7731ba3bb0ca53d36d71ff8fa78b1f211d7c14fc4442af50bd637d0c3f11913583c9c66996101d6e8738592a053e82a78bbd771f5
SSDEEP 6144:yraxNx1Gc9N6xJ/MO2N89M4qjGggUA0CthK1KLAb+AfQQIh+K+TuAubWq49OU/CU:ygVhNrAM1qgg2l
TLSH
T14B844C2152C61426E16B8232B4F7E3FAB53F940A56126BEBBB9CFE34C54E4533532349
MD5 SHA1 SHA512 SSDEEP TLSH

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ipgqhblo.pqi

Path \??\c:\drgqq\ipgqhblo.pqi
Size 155KB
SHA256 ec6ef50587a847d4a655e9bfc5c1aee4078005c0774a3e6fa23949cc4d8fbad3
MD5 20e7a8b973ac2b43c95ddb77308266c9
SHA1 e46e6ea272ae628d15bfb7b71ff40e3950fd2e85
SHA512 60b585b2de46ac412577eb590916d282bf3f25ba1196362a97c12620c3b6eb94a78e3faac182305002790bb9c3705a346e54508b644d3e9329201fcb4bad0fd6
SSDEEP 3072:YuTByM2ViNpg032aUgrhoiFmyt8KDZS1:ZByMnN+3d1
TLSH
T10FF36D1163FD4618F5F7BF356EB54A605E3ABC62AE38CB0C1650504E59B1F60DAB0B23
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/3932-9-0x0000000000400000-0x000000000049E01B-memory.dmp

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memory/4236-12-0x0000000010000000-0x0000000010054000-memory.dmp

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memory/4236-16-0x0000000010000000-0x0000000010054000-memory.dmp

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memory/4236-21-0x0000000010000000-0x0000000010054000-memory.dmp

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memory/4676-0-0x0000000000400000-0x000000000049E01B-memory.dmp

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memory/4676-3-0x0000000000400000-0x000000000049E01B-memory.dmp

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