farfli | ddbfa7432e1ff55bf4f61fc826af33d07a0e37ba1e92311045d2606550c05d5b

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20260130-en
resource tags

arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
04/05/2026, 16:10

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General

Target
2026-05-04_881ad15d84efa8e4dbc8aeef716c8628_elex_wannacry.exe
Size 103KB
Sample260504-tml96aft8t
SHA256 ddbfa7432e1ff55bf4f61fc826af33d07a0e37ba1e92311045d2606550c05d5b
MD5 881ad15d84efa8e4dbc8aeef716c8628
SHA1 d9bd1335d7a40c8bd4eeca0a4c28073288670547
SHA512 7bab22e02925cae6f7b559d4ac2589c93741315598d1b3dae2645048e1d02dcd8db20e603b056c63d5c7fa5d92ddccaef63629eb4419dbab39c59292c6339c77
SSDEEP 1536:vRiAXaKD5gxzmwYEM/D3ozc4I8JboecWtX48:piAXaKDeKNnD36cb8tI8
TLSH
T150A39D42ABF086A1E0619CB506735B629E72FC2B193482677BD6B70EEC34F40EE25355
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 4 IoCs

resource	yara_rule
behavioral1/memory/2420-10-0x0000000010000000-0x000000001002E000-memory.dmp	family_farfli
behavioral1/memory/2420-11-0x0000000010001000-0x000000001001E000-memory.dmp	family_farfli
behavioral1/memory/2420-12-0x0000000010000000-0x000000001002E000-memory.dmp	family_farfli
behavioral1/memory/2420-13-0x0000000010001000-0x000000001001E000-memory.dmp	family_farfli

Detects executables containing base64 encoded User Agent 2 IoCs

resource	yara_rule
behavioral1/memory/2420-10-0x0000000010000000-0x000000001002E000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral1/memory/2420-12-0x0000000010000000-0x000000001002E000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent

Badlisted process makes network request 15 IoCs

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

flow	pid	Process
7	2420	rundll32.exe
8	2420	rundll32.exe
9	2420	rundll32.exe
10	2420	rundll32.exe
11	2420	rundll32.exe
18	2420	rundll32.exe
25	2420	rundll32.exe
37	2420	rundll32.exe
40	2420	rundll32.exe
41	2420	rundll32.exe
46	2420	rundll32.exe
47	2420	rundll32.exe
53	2420	rundll32.exe
54	2420	rundll32.exe
59	2420	rundll32.exe

Deletes itself 1 IoCs

pid	Process
6136	fqtdag.exe

Executes dropped EXE 1 IoCs

pid	Process
6136	fqtdag.exe

Loads dropped DLL 1 IoCs

pid	Process
2420	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-1-5-21-914486190-3969805341-592249730-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\EvtMgr = "c:\\windows\\SysWOW64\\rundll32.exe \"c:\\kgktqag\\zcqmr.dll\",GetWindowClass"	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)	\??\n:	rundll32.exe
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)	\??\h:	rundll32.exe
File opened (read-only)	\??\j:	rundll32.exe
File opened (read-only)	\??\m:	rundll32.exe
File opened (read-only)	\??\o:	rundll32.exe
File opened (read-only)	\??\p:	rundll32.exe
File opened (read-only)	\??\g:	rundll32.exe
File opened (read-only)	\??\k:	rundll32.exe
File opened (read-only)	\??\l:	rundll32.exe
File opened (read-only)	\??\q:	rundll32.exe
File opened (read-only)	\??\r:	rundll32.exe
File opened (read-only)	\??\s:	rundll32.exe
File opened (read-only)	\??\t:	rundll32.exe
File opened (read-only)	\??\a:	rundll32.exe
File opened (read-only)	\??\e:	rundll32.exe
File opened (read-only)	\??\i:	rundll32.exe
File opened (read-only)	\??\w:	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	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fqtdag.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-05-04_881ad15d84efa8e4dbc8aeef716c8628_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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
3576	cmd.exe
3232	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
3232	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2420	rundll32.exe
2420	rundll32.exe
2420	rundll32.exe
2420	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2420	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
5692	2026-05-04_881ad15d84efa8e4dbc8aeef716c8628_elex_wannacry.exe
6136	fqtdag.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 5692 wrote to memory of 3576	5692	2026-05-04_881ad15d84efa8e4dbc8aeef716c8628_elex_wannacry.exe	90
PID 3576 wrote to memory of 3232	3576	cmd.exe	92
PID 3576 wrote to memory of 6136	3576	cmd.exe	95
PID 6136 wrote to memory of 2420	6136	fqtdag.exe	96

C:\Users\Admin\AppData\Local\Temp\2026-05-04_881ad15d84efa8e4dbc8aeef716c8628_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-05-04_881ad15d84efa8e4dbc8aeef716c8628_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5692
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&c:\fqtdag.exe "C:\Users\Admin\AppData\Local\Temp\2026-05-04_881ad15d84efa8e4dbc8aeef716c8628_elex_wannacry.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:3576
- - 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:3232
- - \??\c:\fqtdag.exe
    c:\fqtdag.exe "C:\Users\Admin\AppData\Local\Temp\2026-05-04_881ad15d84efa8e4dbc8aeef716c8628_elex_wannacry.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:6136
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\kgktqag\zcqmr.dll",GetWindowClass c:\fqtdag.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:2420

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

fqtdag.exe

Path C:\fqtdag.exe
Size 103KB
SHA256 59c03cbd924a154bbf5fda0db45301b6016524b4f25904c33cef1c7b9efd303a
MD5 0bb468b28bc669997a7dbfc6b6061548
SHA1 f58ca816fd2eebb64aba5d4c5c69de6d2a26d781
SHA512 012df7dc9caddaa9eb2a825c9c456dbbd41c7b1712079bcbe22e775f3a7b30184b89f546a64b170c441a98c3bbd362c8c40ffa467b8543ed4f743f750fcdf488
SSDEEP 1536:vRiAXaKD5gxzmwYEM/D3ozc4I8JboecWtX48v:piAXaKDeKNnD36cb8tI8v
TLSH
T15BA39D42ABF087A1E0619CB506735B619E72FC2B193482677BD6B70EEC34F40EE25355
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

zcqmr.dll

Path \??\c:\kgktqag\zcqmr.dll
Size 46KB
SHA256 f57f9e54f4774c2b944fb070ae0c2a02cbb4b7686ab3207544c3ccaff0ff3dd9
MD5 a3fd41430ddcaa55fde840788925406a
SHA1 dbdd87f5c1bbf6a6f44c2e2c4744675d5e4e75c2
SHA512 23109572cfc9a282ea3ec84d93bfe02303d27f365ad2d9f47f6234f91da14c64f80133cc5e49746dfcb65d2454b7e7c13eff59ba4bbc18e09d2fb1c630ba59c9
SSDEEP 768:2sUfnvxs6iLlhpfFPtnQf7kifD/v7yb9Bh7Cb0VQJojZC/xjTk:2sJT1qf4W/vub9nnV1jZC/xE
TLSH
T19D2302C8A6F08EF3D2F90B7980E046DCDCFDB939877381150566008E7C71057FA446AA
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2420-10-0x0000000010000000-0x000000001002E000-memory.dmp

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memory/2420-11-0x0000000010001000-0x000000001001E000-memory.dmp

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memory/2420-12-0x0000000010000000-0x000000001002E000-memory.dmp

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memory/2420-13-0x0000000010001000-0x000000001001E000-memory.dmp

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memory/5692-0-0x0000000000400000-0x000000000041A000-memory.dmp

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memory/5692-2-0x0000000000400000-0x000000000041A000-memory.dmp

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memory/6136-7-0x0000000000400000-0x000000000041A000-memory.dmp

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