farfli | 3b7d26b91776a639c1877d0ec0dd0738a522aa814726d97da530b62329d718da

General

Target
2026-07-19_8974f9f9f0bab022e39cbe090df9ef93_elex_strictor_wannacry.exe
Size 118KB
Sample260720-be1hpsdv4z
SHA256 3b7d26b91776a639c1877d0ec0dd0738a522aa814726d97da530b62329d718da
MD5 8974f9f9f0bab022e39cbe090df9ef93
SHA1 6a767f2cde48988cbbf83751e75e9160575cc8d8
SHA512 5acd14c76b5f1c47c76feb13b2e1c9c4013912adba448b15e1ec85f31d99fe7e789bfa5f13060c6cfa3b04f954b7f461d3be2ba98edaca27f9ad041f669ef873
SSDEEP 1536:QaaczXhtqkUlX/NGVcJ/gAqcX0JMseuiGSeNVvDi0tMuUJJnddI3GMbq:la7qc9rqzMseNoVv9EJFdXMbq
TLSH
T178C3260673E6C644F1B24B30CA3646F04A7BBCA9E970925F17407E5E7D32A51AD21B37
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/2324-7-0x0000000010001000-0x0000000010021000-memory.dmp	family_farfli
behavioral2/memory/2324-6-0x0000000010000000-0x0000000010032000-memory.dmp	family_farfli
behavioral2/memory/2324-8-0x0000000010000000-0x0000000010032000-memory.dmp	family_farfli
behavioral2/memory/2324-9-0x0000000010001000-0x0000000010021000-memory.dmp	family_farfli

Detects executables containing base64 encoded User Agent 2 IoCs

resource	yara_rule
behavioral2/memory/2324-6-0x0000000010000000-0x0000000010032000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/2324-8-0x0000000010000000-0x0000000010032000-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
6	2324	rundll32.exe
11	2324	rundll32.exe
12	2324	rundll32.exe
13	2324	rundll32.exe
14	2324	rundll32.exe
15	2324	rundll32.exe
18	2324	rundll32.exe
19	2324	rundll32.exe

Deletes itself 1 IoCs

pid	Process
1920	glcmfl.exe

Executes dropped EXE 1 IoCs

pid	Process
1920	glcmfl.exe

Loads dropped DLL 1 IoCs

pid	Process
2324	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-1-5-21-2301830172-776172150-2531349243-1000\Software\Microsoft\Windows\CurrentVersion\Run\EvtMgr = "c:\\windows\\SysWOW64\\rundll32.exe \"c:\\gxnvpi\\zlydw.dll\",init"	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)	\??\m:	rundll32.exe
File opened (read-only)	\??\b:	rundll32.exe
File opened (read-only)	\??\i:	rundll32.exe
File opened (read-only)	\??\l:	rundll32.exe
File opened (read-only)	\??\s:	rundll32.exe
File opened (read-only)	\??\t:	rundll32.exe
File opened (read-only)	\??\w:	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)	\??\g:	rundll32.exe
File opened (read-only)	\??\k:	rundll32.exe
File opened (read-only)	\??\o:	rundll32.exe
File opened (read-only)	\??\p:	rundll32.exe
File opened (read-only)	\??\q:	rundll32.exe
File opened (read-only)	\??\u:	rundll32.exe
File opened (read-only)	\??\y:	rundll32.exe
File opened (read-only)	\??\a:	rundll32.exe
File opened (read-only)	\??\h:	rundll32.exe
File opened (read-only)	\??\n:	rundll32.exe
File opened (read-only)	\??\r:	rundll32.exe
File opened (read-only)	\??\v:	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
4132	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	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-07-19_8974f9f9f0bab022e39cbe090df9ef93_elex_strictor_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	glcmfl.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
4132	cmd.exe
4284	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
4284	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2324	rundll32.exe
2324	rundll32.exe
2324	rundll32.exe
2324	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2324	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
692	2026-07-19_8974f9f9f0bab022e39cbe090df9ef93_elex_strictor_wannacry.exe
1920	glcmfl.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 692 wrote to memory of 4132	692	2026-07-19_8974f9f9f0bab022e39cbe090df9ef93_elex_strictor_wannacry.exe	89
PID 4132 wrote to memory of 4284	4132	cmd.exe	91
PID 4132 wrote to memory of 1920	4132	cmd.exe	92
PID 1920 wrote to memory of 2324	1920	glcmfl.exe	93

C:\Users\Admin\AppData\Local\Temp\2026-07-19_8974f9f9f0bab022e39cbe090df9ef93_elex_strictor_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-19_8974f9f9f0bab022e39cbe090df9ef93_elex_strictor_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:692
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&c:\glcmfl.exe "C:\Users\Admin\AppData\Local\Temp\2026-07-19_8974f9f9f0bab022e39cbe090df9ef93_elex_strictor_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:4132
- - 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:4284
- - \??\c:\glcmfl.exe
    c:\glcmfl.exe "C:\Users\Admin\AppData\Local\Temp\2026-07-19_8974f9f9f0bab022e39cbe090df9ef93_elex_strictor_wannacry.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1920
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\gxnvpi\zlydw.dll",init c:\glcmfl.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:2324

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

Windows Command Shell

1

T1059.003

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Peripheral Device Discovery

Query Registry

Remote System Discovery

1

T1018

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

glcmfl.exe

Path \??\c:\glcmfl.exe
Size 119KB
SHA256 c57865b8eac6a382813fc1d5c2042d75b5c81313ccd343242bab85ec21252904
MD5 b018310bbaedc24f7532366d65c5fea5
SHA1 751e5fbce5b7b418936ace495cc84bc88c5564ed
SHA512 e337c0fc9a26dfdc59c86f9019950375c10adc543d8aa5d31c190d9a667b59eea8360d017b56f877fed2e4f183360898373df6382a555a84133fca3f8a457c95
SSDEEP 1536:QaaczXhtqkUlX/NGVcJ/gAqcX0JMseuiGSeNVvDi0tMuUJJnddI3GMbX:la7qc9rqzMseNoVv9EJFdXMbX
TLSH
T16EC3260673E6C644F1B24B30CA3646F08A7BBCA9E970925F17407E5E7D31A51AE21B37
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

zlydw.dll

Path \??\c:\gxnvpi\zlydw.dll
Size 50KB
SHA256 a632527bcd457c9a4cfce83e7a9a675baff790b0279de5d8ea3192dfb2dd888a
MD5 ab32c5bfd7ecfbe9ed733dfb81210933
SHA1 4d5c6e7a0031691f12e78b096ff928b0d55bdfab
SHA512 59b971146292074d76d23d5f26889108f4d6e33804332449f4c589bf8a8d53e37ac8dfea47e9d3c5ae0f382ae1acf25c4968bea87b3f5ff9d51f2274229c1ab5
SSDEEP 1536:mrrG57ZqLLpf+Xz+HOtygmRnO/x5Rq8Gm:mwKGqutWM/x281
TLSH
T12033F1F4EFB4E067ECBA5F743E6A6215DA727B10C63188EA518090135F335CACA18717
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2324-7-0x0000000010001000-0x0000000010021000-memory.dmp

Download

memory/2324-6-0x0000000010000000-0x0000000010032000-memory.dmp

Download

memory/2324-8-0x0000000010000000-0x0000000010032000-memory.dmp

Download

memory/2324-9-0x0000000010001000-0x0000000010021000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads