farfli | 7fdd4221438a27b1b59541839e66eb3527c08538b6a4d073575d436155edb631

Analysis

max time kernel
149s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
09/08/2026, 09:50

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
7fdd4221438a27b1b59541839e66eb3527c08538b6a4d073575d436155edb631.exe
Size 650KB
Sample260809-lt1gcsvflg
SHA256 7fdd4221438a27b1b59541839e66eb3527c08538b6a4d073575d436155edb631
MD5 145aa6679d8d6b2d26e722520d53113c
SHA1 046b35366205aa09cf07b2fbd69e92fa5888b609
SHA512 e80c0dcc20654410a327182c9e3a74d36fc640ffe53764038c3dadffa4e18d62d00095b7d4d7b1503fad5f00da7ea73bb189c6d8960f8b3691129d0a88864163
SSDEEP 6144:PQJf3uMxrbLgEN6S7KzA5x3S5+y3D82oC0UdkgxgfOq:4J130ENL7kArI+y3XipfO
TLSH
T1CCE412E11964E42FE09850F6E759E83166E0DCC23DA50B3293E5BB0EB3C5A0BF579235
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
behavioral1/memory/4404-16-0x0000000010000000-0x0000000010054000-memory.dmp	family_farfli
behavioral1/memory/4404-20-0x0000000010000000-0x0000000010054000-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
5	4404	rundll32.exe
6	4404	rundll32.exe
12	4404	rundll32.exe
13	4404	rundll32.exe
14	4404	rundll32.exe
17	4404	rundll32.exe
28	4404	rundll32.exe
29	4404	rundll32.exe
40	4404	rundll32.exe
49	4404	rundll32.exe
55	4404	rundll32.exe
60	4404	rundll32.exe
61	4404	rundll32.exe
63	4404	rundll32.exe
65	4404	rundll32.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-668679576-120646659-2289335452-1000\Control Panel\International\Geo\Nation	rundll32.exe

Deletes itself 1 IoCs

pid	Process
4788	rqzks.exe

Executes dropped EXE 3 IoCs

pid	Process
4788	rqzks.exe
4596	wiseman.exe
1904	wiseman.exe

Loads dropped DLL 1 IoCs

pid	Process
4404	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-1-5-21-668679576-120646659-2289335452-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Wiseman = "C:\\wiseman.exe"	wiseman.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-668679576-120646659-2289335452-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\EvtMgr = "c:\\windows\\SysWOW64\\rundll32.exe \"c:\\sulhi\\rjqhbetd.jhr\",RAFlush"	rundll32.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)	\??\j:	rundll32.exe
File opened (read-only)	\??\l:	rundll32.exe
File opened (read-only)	\??\t:	rundll32.exe
File opened (read-only)	\??\y:	rundll32.exe
File opened (read-only)	\??\v:	rundll32.exe
File opened (read-only)	\??\z:	rundll32.exe
File opened (read-only)	\??\o:	rundll32.exe
File opened (read-only)	\??\b:	rundll32.exe
File opened (read-only)	\??\i:	rundll32.exe
File opened (read-only)	\??\k:	rundll32.exe
File opened (read-only)	\??\m:	rundll32.exe
File opened (read-only)	\??\u:	rundll32.exe
File opened (read-only)	\??\a:	rundll32.exe
File opened (read-only)	\??\g:	rundll32.exe
File opened (read-only)	\??\n:	rundll32.exe
File opened (read-only)	\??\p:	rundll32.exe
File opened (read-only)	\??\r:	rundll32.exe
File opened (read-only)	\??\s:	rundll32.exe
File opened (read-only)	\??\w:	rundll32.exe
File opened (read-only)	\??\x:	rundll32.exe
File opened (read-only)	\??\q:	rundll32.exe
File opened (read-only)	\??\e:	rundll32.exe
File opened (read-only)	\??\h:	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
4080	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	wiseman.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7fdd4221438a27b1b59541839e66eb3527c08538b6a4d073575d436155edb631.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	rqzks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wiseman.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
4080	cmd.exe
2840	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	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	rundll32.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2840	PING.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4404	rundll32.exe
4404	rundll32.exe
4404	rundll32.exe
4404	rundll32.exe
4404	rundll32.exe
4404	rundll32.exe
4404	rundll32.exe
4404	rundll32.exe
4404	rundll32.exe
4404	rundll32.exe
4404	rundll32.exe
4404	rundll32.exe
4404	rundll32.exe
4404	rundll32.exe
4404	rundll32.exe
4404	rundll32.exe
4404	rundll32.exe
4404	rundll32.exe
4404	rundll32.exe
4404	rundll32.exe
4404	rundll32.exe
4404	rundll32.exe
4404	rundll32.exe
4404	rundll32.exe
4404	rundll32.exe
4404	rundll32.exe
4404	rundll32.exe
4404	rundll32.exe
4404	rundll32.exe
4404	rundll32.exe
4404	rundll32.exe
4404	rundll32.exe
4404	rundll32.exe
4404	rundll32.exe
4404	rundll32.exe
4404	rundll32.exe
4404	rundll32.exe
4404	rundll32.exe
4404	rundll32.exe
4404	rundll32.exe
4404	rundll32.exe
4404	rundll32.exe
4404	rundll32.exe
4404	rundll32.exe
4404	rundll32.exe
4404	rundll32.exe
4404	rundll32.exe
4404	rundll32.exe
4404	rundll32.exe
4404	rundll32.exe
4404	rundll32.exe
4404	rundll32.exe
4404	rundll32.exe
4404	rundll32.exe
4404	rundll32.exe
4404	rundll32.exe
4404	rundll32.exe
4404	rundll32.exe
4404	rundll32.exe
4404	rundll32.exe
4404	rundll32.exe
4404	rundll32.exe
4404	rundll32.exe
4404	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4404	rundll32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3948	7fdd4221438a27b1b59541839e66eb3527c08538b6a4d073575d436155edb631.exe
4788	rqzks.exe
4596	wiseman.exe
1904	wiseman.exe
4596	wiseman.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 3948 wrote to memory of 4080	3948	7fdd4221438a27b1b59541839e66eb3527c08538b6a4d073575d436155edb631.exe	86
PID 4080 wrote to memory of 2840	4080	cmd.exe	88
PID 4080 wrote to memory of 4788	4080	cmd.exe	89
PID 4788 wrote to memory of 4404	4788	rqzks.exe	90
PID 4404 wrote to memory of 4596	4404	rundll32.exe	91

C:\Users\Admin\AppData\Local\Temp\7fdd4221438a27b1b59541839e66eb3527c08538b6a4d073575d436155edb631.exe
"C:\Users\Admin\AppData\Local\Temp\7fdd4221438a27b1b59541839e66eb3527c08538b6a4d073575d436155edb631.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3948
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\rqzks.exe "C:\Users\Admin\AppData\Local\Temp\7fdd4221438a27b1b59541839e66eb3527c08538b6a4d073575d436155edb631.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:4080
- - 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:2840
- - C:\Users\Admin\AppData\Local\Temp\rqzks.exe
    C:\Users\Admin\AppData\Local\Temp\\rqzks.exe "C:\Users\Admin\AppData\Local\Temp\7fdd4221438a27b1b59541839e66eb3527c08538b6a4d073575d436155edb631.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:4788
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\sulhi\rjqhbetd.jhr",RAFlush C:\Users\Admin\AppData\Local\Temp\rqzks.exe
      4⤵
      Badlisted process makes network request
      Checks computer location settings
      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:4404
    - - 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:4596

C:\wiseman.exe
C:\wiseman.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:1904

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

Replay Monitor

Loading Replay Monitor...

Downloads

rqzks.exe

Path C:\Users\Admin\AppData\Local\Temp\rqzks.exe
Size 650KB
SHA256 2ac2787a08124e082919813e6909683fb33378ecc56e4de7467def66a8201fd0
MD5 9ac1b830d16a7680a963df5271ff0198
SHA1 d9ef65355939e34c9b15703f27adf756911da1ef
SHA512 cb6420392b2aee6c3b0218156a66ce0a287a468f29d7f3c1d1d50e9b9b3470e57ffb26dc18003447d0bb3e8a094c8d27c07d85222e671d7675a58f74a879d0a4
SSDEEP 6144:PQJf3uMxrbLgEN6S7KzA5x3S5+y3D82oC0UdkgxgfOqN:4J130ENL7kArI+y3XipfOu
TLSH
T1F2E412E15964E42FE09850B6E74DE43166E0DCC63DA50B3293E4BB0EB3C5A0BF579235
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

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

Submit Download

rjqhbetd.jhr

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

Submit Download

memory/3948-0-0x0000000000400000-0x000000000049E01B-memory.dmp

Download

memory/3948-2-0x0000000000400000-0x000000000049E01B-memory.dmp

Download

memory/4404-12-0x0000000010000000-0x0000000010054000-memory.dmp

Download

memory/4404-16-0x0000000010000000-0x0000000010054000-memory.dmp

Download

memory/4404-20-0x0000000010000000-0x0000000010054000-memory.dmp

Download

memory/4788-9-0x0000000000400000-0x000000000049E01B-memory.dmp

Download