farfli | 10f2cbb2ebdf2dc2efae4bc7b2cdf66d1fbf1fd2a33e8e6dc8956a2453de287b

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
02/08/2026, 07:36

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General

Target
10f2cbb2ebdf2dc2efae4bc7b2cdf66d1fbf1fd2a33e8e6dc8956a2453de287b.exe
Size 650KB
Sample260802-jfksmsvxfx
SHA256 10f2cbb2ebdf2dc2efae4bc7b2cdf66d1fbf1fd2a33e8e6dc8956a2453de287b
MD5 cc9a3e5989176adeb250c54f25f95f55
SHA1 29399f2450dc8bc0713cd41d8bdb7aa0a4381bb3
SHA512 4f5398cbc4cfb4a68152a43e9186c57453ab9c4e997e3eb0f1184b56e07a7ad46580f53ef7286c0c9fd975a5764f9cd9385ed6314951b71ed79170d2c0e8319f
SSDEEP 6144:PQJf3uMxrbLgEN6S7KzA5x3S5+y3D82oC0UdkgxgfOqy:4J130ENL7kArI+y3XipfOl
TLSH
T1AFE412F11964E42FE09814B6E79DE83166E0DCC179A10B3297E47B0EB3C590BF97A634
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/3812-18-0x0000000010000000-0x0000000010054000-memory.dmp	family_farfli
behavioral1/memory/3812-22-0x0000000010000000-0x0000000010054000-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
6	3812	rundll32.exe
16	3812	rundll32.exe
19	3812	rundll32.exe
20	3812	rundll32.exe
21	3812	rundll32.exe
25	3812	rundll32.exe
45	3812	rundll32.exe
60	3812	rundll32.exe
63	3812	rundll32.exe
71	3812	rundll32.exe
75	3812	rundll32.exe
78	3812	rundll32.exe
80	3812	rundll32.exe
83	3812	rundll32.exe
84	3812	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-1-5-21-3053180483-1881419501-3594244048-1000\Control Panel\International\Geo\Nation	rundll32.exe

Deletes itself 1 IoCs

pid	Process
5364	dxsvp.exe

Executes dropped EXE 3 IoCs

pid	Process
5364	dxsvp.exe
4732	wiseman.exe
2772	wiseman.exe

Loads dropped DLL 1 IoCs

pid	Process
3812	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-1-5-21-3053180483-1881419501-3594244048-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Wiseman = "C:\\wiseman.exe"	wiseman.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3053180483-1881419501-3594244048-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\EvtMgr = "c:\\windows\\SysWOW64\\rundll32.exe \"c:\\niyzhtfy\\hdrwemmk.dwh\",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)	\??\u:	rundll32.exe
File opened (read-only)	\??\v:	rundll32.exe
File opened (read-only)	\??\x:	rundll32.exe
File opened (read-only)	\??\y:	rundll32.exe
File opened (read-only)	\??\z:	rundll32.exe
File opened (read-only)	\??\q:	rundll32.exe
File opened (read-only)	\??\e:	rundll32.exe
File opened (read-only)	\??\h:	rundll32.exe
File opened (read-only)	\??\k:	rundll32.exe
File opened (read-only)	\??\l:	rundll32.exe
File opened (read-only)	\??\t:	rundll32.exe
File opened (read-only)	\??\m:	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)	\??\w:	rundll32.exe
File opened (read-only)	\??\b:	rundll32.exe
File opened (read-only)	\??\i:	rundll32.exe
File opened (read-only)	\??\j:	rundll32.exe
File opened (read-only)	\??\o:	rundll32.exe
File opened (read-only)	\??\s:	rundll32.exe
File opened (read-only)	\??\a:	rundll32.exe
File opened (read-only)	\??\g:	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
4292	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	wiseman.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	10f2cbb2ebdf2dc2efae4bc7b2cdf66d1fbf1fd2a33e8e6dc8956a2453de287b.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	dxsvp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.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
4292	cmd.exe
4424	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
4424	PING.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3812	rundll32.exe
3812	rundll32.exe
3812	rundll32.exe
3812	rundll32.exe
3812	rundll32.exe
3812	rundll32.exe
3812	rundll32.exe
3812	rundll32.exe
3812	rundll32.exe
3812	rundll32.exe
3812	rundll32.exe
3812	rundll32.exe
3812	rundll32.exe
3812	rundll32.exe
3812	rundll32.exe
3812	rundll32.exe
3812	rundll32.exe
3812	rundll32.exe
3812	rundll32.exe
3812	rundll32.exe
3812	rundll32.exe
3812	rundll32.exe
3812	rundll32.exe
3812	rundll32.exe
3812	rundll32.exe
3812	rundll32.exe
3812	rundll32.exe
3812	rundll32.exe
3812	rundll32.exe
3812	rundll32.exe
3812	rundll32.exe
3812	rundll32.exe
3812	rundll32.exe
3812	rundll32.exe
3812	rundll32.exe
3812	rundll32.exe
3812	rundll32.exe
3812	rundll32.exe
3812	rundll32.exe
3812	rundll32.exe
3812	rundll32.exe
3812	rundll32.exe
3812	rundll32.exe
3812	rundll32.exe
3812	rundll32.exe
3812	rundll32.exe
3812	rundll32.exe
3812	rundll32.exe
3812	rundll32.exe
3812	rundll32.exe
3812	rundll32.exe
3812	rundll32.exe
3812	rundll32.exe
3812	rundll32.exe
3812	rundll32.exe
3812	rundll32.exe
3812	rundll32.exe
3812	rundll32.exe
3812	rundll32.exe
3812	rundll32.exe
3812	rundll32.exe
3812	rundll32.exe
3812	rundll32.exe
3812	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3812	rundll32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3684	10f2cbb2ebdf2dc2efae4bc7b2cdf66d1fbf1fd2a33e8e6dc8956a2453de287b.exe
5364	dxsvp.exe
4732	wiseman.exe
2772	wiseman.exe
4732	wiseman.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 3684 wrote to memory of 4292	3684	10f2cbb2ebdf2dc2efae4bc7b2cdf66d1fbf1fd2a33e8e6dc8956a2453de287b.exe	85
PID 4292 wrote to memory of 4424	4292	cmd.exe	87
PID 4292 wrote to memory of 5364	4292	cmd.exe	88
PID 5364 wrote to memory of 3812	5364	dxsvp.exe	90
PID 3812 wrote to memory of 4732	3812	rundll32.exe	91

C:\Users\Admin\AppData\Local\Temp\10f2cbb2ebdf2dc2efae4bc7b2cdf66d1fbf1fd2a33e8e6dc8956a2453de287b.exe
"C:\Users\Admin\AppData\Local\Temp\10f2cbb2ebdf2dc2efae4bc7b2cdf66d1fbf1fd2a33e8e6dc8956a2453de287b.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3684
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\dxsvp.exe "C:\Users\Admin\AppData\Local\Temp\10f2cbb2ebdf2dc2efae4bc7b2cdf66d1fbf1fd2a33e8e6dc8956a2453de287b.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:4292
- - 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:4424
- - C:\Users\Admin\AppData\Local\Temp\dxsvp.exe
    C:\Users\Admin\AppData\Local\Temp\\dxsvp.exe "C:\Users\Admin\AppData\Local\Temp\10f2cbb2ebdf2dc2efae4bc7b2cdf66d1fbf1fd2a33e8e6dc8956a2453de287b.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:5364
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\niyzhtfy\hdrwemmk.dwh",RAFlush C:\Users\Admin\AppData\Local\Temp\dxsvp.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:3812
    - - 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:4732

C:\wiseman.exe
C:\wiseman.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:2772

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

dxsvp.exe

Path C:\Users\Admin\AppData\Local\Temp\dxsvp.exe
Size 650KB
SHA256 d720fef72c605c4eb4a6ca0037d973a8748603204ab660b36e4850eb12afcbdc
MD5 60a181632928d6c155ec5c258c5ebea3
SHA1 d6313e6784c2aadfdab96678889fe2d4e1251c19
SHA512 7836db74e7d683df754a3765f78c22a70ee9a5216b7d03e4bfc0830246c6fdadb8f54394a42108414267e05bfbc24a4576c2411443e27e3b1a5aca4d47f68528
SSDEEP 6144:PQJf3uMxrbLgEN6S7KzA5x3S5+y3D82oC0UdkgxgfOqy:4J130ENL7kArI+y3XipfOH
TLSH
T1F4E412F11964D42FE09814B6E78DE8316AE0CCC579A50B3297E47B0EB3C590BF97A634
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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hdrwemmk.dwh

Path \??\c:\niyzhtfy\hdrwemmk.dwh
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/3684-0-0x0000000000400000-0x000000000049E01B-memory.dmp

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memory/3684-2-0x0000000000400000-0x000000000049E01B-memory.dmp

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memory/3812-13-0x0000000010000000-0x0000000010054000-memory.dmp

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memory/3812-18-0x0000000010000000-0x0000000010054000-memory.dmp

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memory/3812-22-0x0000000010000000-0x0000000010054000-memory.dmp

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memory/5364-7-0x0000000000400000-0x000000000049E01B-memory.dmp

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memory/5364-10-0x0000000000400000-0x000000000049E01B-memory.dmp

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