farfli | 9f0b27eed9fab693a9ef514126a86580271ca666b837c7509d1b070a4eaa8a12

Analysis

max time kernel
148s
max time network
146s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
16/08/2026, 03:49

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General

Target
2026-08-16_b86494fd8727b182547f16161f430224_coinminer_elex_wannacry.exe
Size 401KB
Sample260816-edhs2szthx
SHA256 9f0b27eed9fab693a9ef514126a86580271ca666b837c7509d1b070a4eaa8a12
MD5 b86494fd8727b182547f16161f430224
SHA1 db34ebff10ebda227843b1cb0bdf4060638dc721
SHA512 7bb656641077bd88803ab0d0dc31b2d92194c1cd8744233cb56f01bdb721260052abb28d850e7614997571cbecbf2ef0d77e6d6f88663e7b3a07693c015ec731
SSDEEP 12288:zdDU6g13sJd1fm/+yb3O2js82ydU/DdKumH9:zdE3sJd1fm/+yb3OYs84/JH69
TLSH
T17994AF01E68741D6DE8225B081FA7377B378DA4D0F12C7E3BB68EE2E6E211D1953B119
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 4 IoCs

resource	yara_rule
behavioral2/memory/4448-10-0x0000000010000000-0x0000000010033000-memory.dmp	family_farfli
behavioral2/memory/4448-11-0x0000000010000000-0x0000000010033000-memory.dmp	family_farfli
behavioral2/memory/4448-13-0x0000000010000000-0x0000000010033000-memory.dmp	family_farfli
behavioral2/memory/4448-16-0x0000000010000000-0x0000000010033000-memory.dmp	family_farfli

Detects executables containing base64 encoded User Agent 4 IoCs

resource	yara_rule
behavioral2/memory/4448-10-0x0000000010000000-0x0000000010033000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/4448-11-0x0000000010000000-0x0000000010033000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/4448-13-0x0000000010000000-0x0000000010033000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/4448-16-0x0000000010000000-0x0000000010033000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent

UPX dump on OEP (original entry point) 9 IoCs

resource	yara_rule
behavioral2/memory/4680-0-0x0000000000400000-0x0000000000471000-memory.dmp	UPX
behavioral2/memory/4680-2-0x0000000000400000-0x0000000000471000-memory.dmp	UPX
behavioral2/files/0x000b000000019cb8-3.dat	UPX
behavioral2/memory/4564-7-0x0000000000400000-0x0000000000471000-memory.dmp	UPX
behavioral2/files/0x000e00000001c534-8.dat	UPX
behavioral2/memory/4448-10-0x0000000010000000-0x0000000010033000-memory.dmp	UPX
behavioral2/memory/4448-11-0x0000000010000000-0x0000000010033000-memory.dmp	UPX
behavioral2/memory/4448-13-0x0000000010000000-0x0000000010033000-memory.dmp	UPX
behavioral2/memory/4448-16-0x0000000010000000-0x0000000010033000-memory.dmp	UPX

Deletes itself 1 IoCs

pid	Process
4564	nxmfp.exe

Executes dropped EXE 2 IoCs

pid	Process
4564	nxmfp.exe
4448	dph.exe

Loads dropped DLL 1 IoCs

pid	Process
4448	dph.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-1-5-21-3797332335-34111092-3597280141-1000\Software\Microsoft\Windows\CurrentVersion\Run\VIEW = "c:\\Program Files\\zjqjiv\\dph.exe \"c:\\Program Files\\zjqjiv\\dphwk.dll\",Viewer"	dph.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)	\??\y:	dph.exe
File opened (read-only)	\??\z:	dph.exe
File opened (read-only)	\??\b:	dph.exe
File opened (read-only)	\??\l:	dph.exe
File opened (read-only)	\??\p:	dph.exe
File opened (read-only)	\??\s:	dph.exe
File opened (read-only)	\??\t:	dph.exe
File opened (read-only)	\??\k:	dph.exe
File opened (read-only)	\??\n:	dph.exe
File opened (read-only)	\??\w:	dph.exe
File opened (read-only)	\??\d:	dph.exe
File opened (read-only)	\??\h:	dph.exe
File opened (read-only)	\??\i:	dph.exe
File opened (read-only)	\??\m:	dph.exe
File opened (read-only)	\??\q:	dph.exe
File opened (read-only)	\??\r:	dph.exe
File opened (read-only)	\??\u:	dph.exe
File opened (read-only)	\??\x:	dph.exe
File opened (read-only)	\??\a:	dph.exe
File opened (read-only)	\??\g:	dph.exe
File opened (read-only)	\??\j:	dph.exe
File opened (read-only)	\??\o:	dph.exe
File opened (read-only)	\??\v:	dph.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	dph.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	\??\c:\Program Files\zjqjiv	nxmfp.exe
File created	\??\c:\Program Files\zjqjiv\dphwk.dll	nxmfp.exe
File created	\??\c:\Program Files\zjqjiv\dph.exe	nxmfp.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
3996	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	2026-08-16_b86494fd8727b182547f16161f430224_coinminer_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	nxmfp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dph.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
2412	PING.EXE
3996	cmd.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	dph.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	dph.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2412	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4448	dph.exe
4448	dph.exe
4448	dph.exe
4448	dph.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4448	dph.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4680	2026-08-16_b86494fd8727b182547f16161f430224_coinminer_elex_wannacry.exe
4564	nxmfp.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4680 wrote to memory of 3996	4680	2026-08-16_b86494fd8727b182547f16161f430224_coinminer_elex_wannacry.exe	88
PID 3996 wrote to memory of 2412	3996	cmd.exe	90
PID 3996 wrote to memory of 4564	3996	cmd.exe	91
PID 4564 wrote to memory of 4448	4564	nxmfp.exe	92

C:\Users\Admin\AppData\Local\Temp\2026-08-16_b86494fd8727b182547f16161f430224_coinminer_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-16_b86494fd8727b182547f16161f430224_coinminer_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4680
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\nxmfp.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-16_b86494fd8727b182547f16161f430224_coinminer_elex_wannacry.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:3996
- - 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:2412
- - C:\Users\Admin\AppData\Local\Temp\nxmfp.exe
    C:\Users\Admin\AppData\Local\Temp\\nxmfp.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-16_b86494fd8727b182547f16161f430224_coinminer_elex_wannacry.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:4564
  - - \??\c:\Program Files\zjqjiv\dph.exe
      "c:\Program Files\zjqjiv\dph.exe" "c:\Program Files\zjqjiv\dphwk.dll",Viewer C:\Users\Admin\AppData\Local\Temp\nxmfp.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:4448

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

dph.exe

Path C:\Program Files\zjqjiv\dph.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

nxmfp.exe

Path C:\Users\Admin\AppData\Local\Temp\nxmfp.exe
Size 402KB
SHA256 c241bd63df4dbfc23a81fc4eaa1bb524c12439a1ee96741b8a0b179d113be44c
MD5 5af9309d8151dc13780048039bbb7322
SHA1 c9237a1df083cf265f983a4459f32be15cf33d51
SHA512 9e7be5b27430e13b42df354231fd7456fed1d2d1915556b0e94e24fe9f445e6e08c9982d2a5a74c0faf393200dcba146735df2c7aa21f832efd2aff505a2853e
SSDEEP 12288:zdDU6g13sJd1fm/+yb3O2js82ydU/DdKumH:zdE3sJd1fm/+yb3OYs84/JH6
TLSH
T13094AF01E68741D6DE8225B081FA7377B378DA4D0F12C7E3BB68EE2E6E211D1953B119
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

dphwk.dll

Path \??\c:\Program Files\zjqjiv\dphwk.dll
Size 89KB
SHA256 18c2f93e7c5e2a39c1447ee9619c2da36dc12fd0cac29a07f71e4f01cf735c37
MD5 0f41e4a5435ef492d4712344f0e631cc
SHA1 7d1720748160c622fc232d0617819de1c4c357c9
SHA512 ecde5d0dbd186698623c89299cb3bff0d4f724446f9666f72376b951cbd8f33d090ddf76f90347243ca557d39c6e003f184df0754adc243bdbbba34447e9e314
SSDEEP 1536:XHXqO6ZG03eyenOj9lgA/PObuTMT5NMCfL7ojaZf5aZlBlGEn:M1uF6Feu2NlQOBcGEn
TLSH
T1649302C45665CD8BCCD87072727FAA4EE631C48CB941ACB34A5E13A31B36AF3D41AB05
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/4448-10-0x0000000010000000-0x0000000010033000-memory.dmp

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memory/4448-11-0x0000000010000000-0x0000000010033000-memory.dmp

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memory/4448-13-0x0000000010000000-0x0000000010033000-memory.dmp

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memory/4448-16-0x0000000010000000-0x0000000010033000-memory.dmp

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memory/4564-7-0x0000000000400000-0x0000000000471000-memory.dmp

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memory/4680-0-0x0000000000400000-0x0000000000471000-memory.dmp

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memory/4680-2-0x0000000000400000-0x0000000000471000-memory.dmp

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