farfli | ea3437c4392f2cd87d7bb09152bdf6b01c5deed577d8db7136ae55e81d156cd8

Analysis

max time kernel
150s
max time network
141s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
10/09/2026, 13:33

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General

Target
2026-09-10_92a8778c8c342e350f212c5400c25c09_elex_gh0st-rat_wannacry.exe
Size 546KB
Sample260910-qt1vcaxyfs
SHA256 ea3437c4392f2cd87d7bb09152bdf6b01c5deed577d8db7136ae55e81d156cd8
MD5 92a8778c8c342e350f212c5400c25c09
SHA1 6ac7dd168ead3777cc051ce54dd3c58a0d0b0364
SHA512 6f20bb5a4619ded00e06ffbd12f72cb74daead51454fe8e437148afa172dc2fb0a1801a381102546dea8ca34bbaf045c16a7c8c4a3702b2c976822f19291681c
SSDEEP 6144:YBcsToNOF/VPzPnVu14MfrkEzmI0jL1cb71Xzb7u:kcso2V7Pc4Mzpz10vCH1f7u
TLSH
T1ABC4127235760E56E01692B0E7727D2DDA6DC80F35299A2B8F00150EA973A174CFAF4F
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/3256-7-0x0000000010000000-0x000000001007F000-memory.dmp	family_farfli
behavioral2/memory/3256-9-0x0000000010000000-0x000000001007F000-memory.dmp	family_farfli

Detects executables containing base64 encoded User Agent 2 IoCs

resource	yara_rule
behavioral2/memory/3256-7-0x0000000010000000-0x000000001007F000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/3256-9-0x0000000010000000-0x000000001007F000-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
1	3256	rundll32.exe
2	3256	rundll32.exe
3	3256	rundll32.exe
4	3256	rundll32.exe
5	3256	rundll32.exe
6	3256	rundll32.exe
7	3256	rundll32.exe
8	3256	rundll32.exe

Deletes itself 1 IoCs

pid	Process
4316	fdchn.exe

Executes dropped EXE 1 IoCs

pid	Process
4316	fdchn.exe

Loads dropped DLL 1 IoCs

pid	Process
3256	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-1-5-21-189034102-168398478-1159367937-1000\Software\Microsoft\Windows\CurrentVersion\Run\EvtMgr = "c:\\windows\\SysWOW64\\rundll32.exe \"c:\\wgaml\\rmina.dll\",Getlua"	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)	\??\l:	rundll32.exe
File opened (read-only)	\??\n:	rundll32.exe
File opened (read-only)	\??\o:	rundll32.exe
File opened (read-only)	\??\t:	rundll32.exe
File opened (read-only)	\??\u:	rundll32.exe
File opened (read-only)	\??\a:	rundll32.exe
File opened (read-only)	\??\b:	rundll32.exe
File opened (read-only)	\??\h:	rundll32.exe
File opened (read-only)	\??\q:	rundll32.exe
File opened (read-only)	\??\s:	rundll32.exe
File opened (read-only)	\??\x:	rundll32.exe
File opened (read-only)	\??\z:	rundll32.exe
File opened (read-only)	\??\d:	rundll32.exe
File opened (read-only)	\??\m:	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)	\??\y:	rundll32.exe
File opened (read-only)	\??\i:	rundll32.exe
File opened (read-only)	\??\j:	rundll32.exe
File opened (read-only)	\??\k:	rundll32.exe
File opened (read-only)	\??\v:	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

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
5768	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	2026-09-10_92a8778c8c342e350f212c5400c25c09_elex_gh0st-rat_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	fdchn.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
5768	cmd.exe
2332	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
2332	PING.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3256	rundll32.exe
3256	rundll32.exe
3256	rundll32.exe
3256	rundll32.exe
3256	rundll32.exe
3256	rundll32.exe
3256	rundll32.exe
3256	rundll32.exe
3256	rundll32.exe
3256	rundll32.exe
3256	rundll32.exe
3256	rundll32.exe
3256	rundll32.exe
3256	rundll32.exe
3256	rundll32.exe
3256	rundll32.exe
3256	rundll32.exe
3256	rundll32.exe
3256	rundll32.exe
3256	rundll32.exe
3256	rundll32.exe
3256	rundll32.exe
3256	rundll32.exe
3256	rundll32.exe
3256	rundll32.exe
3256	rundll32.exe
3256	rundll32.exe
3256	rundll32.exe
3256	rundll32.exe
3256	rundll32.exe
3256	rundll32.exe
3256	rundll32.exe
3256	rundll32.exe
3256	rundll32.exe
3256	rundll32.exe
3256	rundll32.exe
3256	rundll32.exe
3256	rundll32.exe
3256	rundll32.exe
3256	rundll32.exe
3256	rundll32.exe
3256	rundll32.exe
3256	rundll32.exe
3256	rundll32.exe
3256	rundll32.exe
3256	rundll32.exe
3256	rundll32.exe
3256	rundll32.exe
3256	rundll32.exe
3256	rundll32.exe
3256	rundll32.exe
3256	rundll32.exe
3256	rundll32.exe
3256	rundll32.exe
3256	rundll32.exe
3256	rundll32.exe
3256	rundll32.exe
3256	rundll32.exe
3256	rundll32.exe
3256	rundll32.exe
3256	rundll32.exe
3256	rundll32.exe
3256	rundll32.exe
3256	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3256	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4520	2026-09-10_92a8778c8c342e350f212c5400c25c09_elex_gh0st-rat_wannacry.exe
4316	fdchn.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4520 wrote to memory of 5768	4520	2026-09-10_92a8778c8c342e350f212c5400c25c09_elex_gh0st-rat_wannacry.exe	89
PID 5768 wrote to memory of 2332	5768	cmd.exe	91
PID 5768 wrote to memory of 4316	5768	cmd.exe	92
PID 4316 wrote to memory of 3256	4316	fdchn.exe	93

C:\Users\Admin\AppData\Local\Temp\2026-09-10_92a8778c8c342e350f212c5400c25c09_elex_gh0st-rat_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-09-10_92a8778c8c342e350f212c5400c25c09_elex_gh0st-rat_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4520
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\fdchn.exe "C:\Users\Admin\AppData\Local\Temp\2026-09-10_92a8778c8c342e350f212c5400c25c09_elex_gh0st-rat_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:5768
- - 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:2332
- - C:\Users\Admin\AppData\Local\Temp\fdchn.exe
    C:\Users\Admin\AppData\Local\Temp\\fdchn.exe "C:\Users\Admin\AppData\Local\Temp\2026-09-10_92a8778c8c342e350f212c5400c25c09_elex_gh0st-rat_wannacry.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:4316
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\wgaml\rmina.dll",Getlua C:\Users\Admin\AppData\Local\Temp\fdchn.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:3256

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

fdchn.exe

Path C:\Users\Admin\AppData\Local\Temp\fdchn.exe
Size 546KB
SHA256 b0c457a4ac398c37d5392f1ddf5542cea505f1dcf39197dbb1dcb608aa0c9b2c
MD5 7555b80c2eb6e50109896949af9e93e4
SHA1 8de9a37450e0a1298703e5e56b4f881d8a42598c
SHA512 cdcf5f149753291b18a7b6a2d947dee8cc269e9522c9162c2fd499bc180a4e144104f9973f8719c822bcf6b2c039617229690f7903288af0ac820adc30a3e6d7
SSDEEP 6144:YBcsToNOF/VPzPnVu14MfrkEzmI0jL1cb71Xzb7M:kcso2V7Pc4Mzpz10vCH1f7M
TLSH
T1ACC4127235760E56E01692B0E7727D2DDA6DC80F35299A2B8F00150EA973A174CFAF4F
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

rmina.dll

Path \??\c:\wgaml\rmina.dll
Size 232KB
SHA256 fba21033d982ce636143b698008ec8162857df9d0859425df9a1049c45012bfc
MD5 5e8e6f323d9cdd3e17f77ddff3f8303e
SHA1 a3e2eb3136ee074dae86e34a6cfda7533d6cf692
SHA512 77bb0a6b4cde4b7992dcbffe3c54023695572c7ae9d309a86fa0aebff9862d796d1dc33051978bb1a19fafddd8f5afacbe39f9047bc8e54831490748eaaab6bd
SSDEEP 6144:Pr8MZSC3s9b0gdl7RTk8WhBFfGuL/HiTW:wy/Gb99a8IFfRL/HkW
TLSH
T1BD3412C1B3BE6134FC9383B50EA429BDF99045A42D3DE176EFA455263D02D2268396CF
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/3256-6-0x0000000010000000-0x000000001007F000-memory.dmp

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memory/3256-7-0x0000000010000000-0x000000001007F000-memory.dmp

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memory/3256-9-0x0000000010000000-0x000000001007F000-memory.dmp

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