farfli | 9cfd19c47e25f58548694ce9e613e2cc3c4be514e7aac6d8fcf59e7f0d482a9b

Analysis

max time kernel
148s
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
13/07/2026, 12:45

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General

Target
2026-07-13_ed56cc10af9e1920f160ff95addd50ce_elex_wannacry.exe
Size 95KB
Sample260713-py5tesbt9v
SHA256 9cfd19c47e25f58548694ce9e613e2cc3c4be514e7aac6d8fcf59e7f0d482a9b
MD5 ed56cc10af9e1920f160ff95addd50ce
SHA1 23031f77fc70242b807dd426113ec2b5c2950b3d
SHA512 8146ce19b999eb6fb8c1b764b13906c2402fd32aa7354399a564f510f873096532dea8ddf947e17590322f2c404e876b07af5f9071b28585ff1f664076ee7291
SSDEEP 1536:8gDktLw4rO10tMrlk3SJDlf98jqP+8il3CxOeZIckWlmyp6R:uLRrO10TiJD9yjqrilyxOuPp6R
TLSH
T14793CF1DBD9388AED0058B3147579715E6B2AC59F9314F334350FA1DAF3290BEEDA288
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

backdoor bootkit discovery farfli persistence spyware stealer

Malware Config

Signatures

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

Detects Farfli Backdoor 3 IoCs

resource	yara_rule
behavioral2/memory/1412-11-0x0000000010000000-0x0000000010023000-memory.dmp	family_farfli
behavioral2/memory/1412-13-0x0000000010000000-0x0000000010023000-memory.dmp	family_farfli
behavioral2/memory/1412-14-0x0000000010000000-0x0000000010023000-memory.dmp	family_farfli

Custom signature

Detects executables containing base64 encoded User Agent 3 IoCs

resource	yara_rule
behavioral2/memory/1412-11-0x0000000010000000-0x0000000010023000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/1412-13-0x0000000010000000-0x0000000010023000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/1412-14-0x0000000010000000-0x0000000010023000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent

Badlisted process makes network request 8 IoCs

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

flow	pid	Process
2	1412	rundll32.exe
3	1412	rundll32.exe
4	1412	rundll32.exe
6	1412	rundll32.exe
7	1412	rundll32.exe
9	1412	rundll32.exe
11	1412	rundll32.exe
12	1412	rundll32.exe

Deletes itself 1 IoCs

pid	Process
3864	npjbd.exe

Executes dropped EXE 1 IoCs

pid	Process
3864	npjbd.exe

Loads dropped DLL 1 IoCs

pid	Process
1412	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 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1875162379-3804078649-638427191-1000\Software\Microsoft\Windows\CurrentVersion\Run\EvtMgr = "c:\\windows\\SysWOW64\\rundll32.exe \"c:\\hrvjqinx\\qffgh.dll\",QueryPluginInterface"	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)	\??\i:	rundll32.exe
File opened (read-only)	\??\o:	rundll32.exe
File opened (read-only)	\??\q:	rundll32.exe
File opened (read-only)	\??\r:	rundll32.exe
File opened (read-only)	\??\t:	rundll32.exe
File opened (read-only)	\??\h:	rundll32.exe
File opened (read-only)	\??\m:	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)	\??\d:	rundll32.exe
File opened (read-only)	\??\g:	rundll32.exe
File opened (read-only)	\??\j:	rundll32.exe
File opened (read-only)	\??\k:	rundll32.exe
File opened (read-only)	\??\a:	rundll32.exe
File opened (read-only)	\??\l:	rundll32.exe
File opened (read-only)	\??\n:	rundll32.exe
File opened (read-only)	\??\p:	rundll32.exe
File opened (read-only)	\??\u:	rundll32.exe
File opened (read-only)	\??\v:	rundll32.exe
File opened (read-only)	\??\y:	rundll32.exe
File opened (read-only)	\??\z:	rundll32.exe
File opened (read-only)	\??\b:	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

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	2026-07-13_ed56cc10af9e1920f160ff95addd50ce_elex_wannacry.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	npjbd.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
3184	cmd.exe
5416	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
5416	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1412	rundll32.exe
1412	rundll32.exe
1412	rundll32.exe
1412	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1412	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
5616	2026-07-13_ed56cc10af9e1920f160ff95addd50ce_elex_wannacry.exe
3864	npjbd.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 5616 wrote to memory of 3184	5616	2026-07-13_ed56cc10af9e1920f160ff95addd50ce_elex_wannacry.exe	87
PID 3184 wrote to memory of 5416	3184	cmd.exe	89
PID 3184 wrote to memory of 3864	3184	cmd.exe	90
PID 3864 wrote to memory of 1412	3864	npjbd.exe	91

C:\Users\Admin\AppData\Local\Temp\2026-07-13_ed56cc10af9e1920f160ff95addd50ce_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-13_ed56cc10af9e1920f160ff95addd50ce_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5616
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\npjbd.exe "C:\Users\Admin\AppData\Local\Temp\2026-07-13_ed56cc10af9e1920f160ff95addd50ce_elex_wannacry.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:3184
- - 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:5416
- - C:\Users\Admin\AppData\Local\Temp\npjbd.exe
    C:\Users\Admin\AppData\Local\Temp\\npjbd.exe "C:\Users\Admin\AppData\Local\Temp\2026-07-13_ed56cc10af9e1920f160ff95addd50ce_elex_wannacry.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:3864
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\hrvjqinx\qffgh.dll",QueryPluginInterface C:\Users\Admin\AppData\Local\Temp\npjbd.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
      PID:1412

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

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

npjbd.exe

Path C:\Users\Admin\AppData\Local\Temp\npjbd.exe
Size 95KB
SHA256 e5ed5a3d9a4221dc44ed3a349f02371be13b53d138e15b12779bb487862c4637
MD5 1c338c78504af64cc7e5edc812b17e9f
SHA1 ca27aec2077df3c7b93e0e1bde24beb6b4126373
SHA512 02ce9634ec1fa01322204bbbd851f182720c51daddf3aa372696937bda824ab5821d77ea0a7a262c0934a187e3b09f802d4043ef92ca422ce5bb54c10caf8870
SSDEEP 1536:8gDktLw4rO10tMrlk3SJDlf98jqP+8il3CxOeZIckWlmyp6y:uLRrO10TiJD9yjqrilyxOuPp6y
TLSH
T19193CF1DBD5388AEE0058B3147579715E6B2AC59F9314F334340FA1DAF3290BEEDA288
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

qffgh.dll

Path \??\c:\hrvjqinx\qffgh.dll
Size 44KB
SHA256 9111c1eb1f0b59dcd49cfd5a0abc0ba100ac59a3bcae8623ff091dfdc46fed3c
MD5 0f12a7d509b2c9bb9b4cd6d8a0325e86
SHA1 f5fb59ad4f0633d115b06f35a2dc161dc4367157
SHA512 e3c84a643ff0a2627daba8a056221985a472aaf07bade61b3e9459db4bfc8792c1347606911e3fcc01581508004b18b5435bcccd5e7617cc6d091f37a5f42e7f
SSDEEP 768:DICzePjle2367kjhrXLdCuYMW8QVnwrLDGe/brbtJyOTuXfADVjeJ2i/MVJWAE:DDePjA23Ukjh37YMonwrvGybrbbRCf4E
TLSH
T1FD23F1A7B94E8D4FC0AE41F7078FC8D422B5589A97A7CB4626008F216CC4FB07E52376
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1412-9-0x0000000010000000-0x0000000010023000-memory.dmp

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memory/1412-10-0x0000000000880000-0x0000000000882000-memory.dmp

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memory/1412-11-0x0000000010000000-0x0000000010023000-memory.dmp

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memory/1412-13-0x0000000010000000-0x0000000010023000-memory.dmp

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memory/1412-14-0x0000000010000000-0x0000000010023000-memory.dmp

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memory/3864-6-0x0000000000400000-0x0000000000417000-memory.dmp

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memory/5616-0-0x0000000000400000-0x0000000000417000-memory.dmp

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memory/5616-2-0x0000000000400000-0x0000000000417000-memory.dmp

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