farfli | 06ff54f55c8ddbe18f9db00cbf5e10de9c7400c272e2886a0391c85fdb4e8087

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
19/08/2026, 22:29

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General

Target
2026-08-19_8d212eb1205974c946ff0e39012f50b1_elex_wannacry.exe
Size 156KB
Sample260819-2ed8ksaa22
SHA256 06ff54f55c8ddbe18f9db00cbf5e10de9c7400c272e2886a0391c85fdb4e8087
MD5 8d212eb1205974c946ff0e39012f50b1
SHA1 c1cb180c0dfc01a8e842a17e0f7ce327a9e6e99e
SHA512 ff75dcb6f857178fcabec5ac0f0b75b933753839d033ef94a7ca9c6ea3af10ba2b9281a0de376e9a5fa75349a20c6207719e443d5c7b2b8c8c2a85bcb99a77f2
SSDEEP 3072:mK4RNx65b4RoIwZpx10ZENfrGSQ7sDU/ySkNAqc:ml65xiZuKoDkySkNAl
TLSH
T192F3D0CE1F7ACFDBE1202C74D1A416F742529C99EB2457978385FD8EB832D81AC36129
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/5748-11-0x0000000010000000-0x000000001002E000-memory.dmp	family_farfli
behavioral2/memory/5748-12-0x0000000010000000-0x000000001002E000-memory.dmp	family_farfli

Detects executables containing base64 encoded User Agent 2 IoCs

resource	yara_rule
behavioral2/memory/5748-11-0x0000000010000000-0x000000001002E000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/5748-12-0x0000000010000000-0x000000001002E000-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
8	5748	rundll32.exe
10	5748	rundll32.exe
9	5748	rundll32.exe
12	5748	rundll32.exe
13	5748	rundll32.exe
16	5748	rundll32.exe
18	5748	rundll32.exe
19	5748	rundll32.exe

Deletes itself 1 IoCs

pid	Process
4228	lbbhje.exe

Executes dropped EXE 1 IoCs

pid	Process
4228	lbbhje.exe

Loads dropped DLL 1 IoCs

pid	Process
5748	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-1-5-21-1014449518-1831897916-4205727055-1000\Software\Microsoft\Windows\CurrentVersion\Run\EvtMgr = "c:\\windows\\SysWOW64\\rundll32.exe \"c:\\cgjzg\\qomat.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)	\??\d:	rundll32.exe
File opened (read-only)	\??\h:	rundll32.exe
File opened (read-only)	\??\n:	rundll32.exe
File opened (read-only)	\??\a:	rundll32.exe
File opened (read-only)	\??\g:	rundll32.exe
File opened (read-only)	\??\i:	rundll32.exe
File opened (read-only)	\??\k:	rundll32.exe
File opened (read-only)	\??\l:	rundll32.exe
File opened (read-only)	\??\m:	rundll32.exe
File opened (read-only)	\??\r:	rundll32.exe
File opened (read-only)	\??\v:	rundll32.exe
File opened (read-only)	\??\j:	rundll32.exe
File opened (read-only)	\??\o:	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)	\??\y:	rundll32.exe
File opened (read-only)	\??\z:	rundll32.exe
File opened (read-only)	\??\b:	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)	\??\x:	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
4628	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	2026-08-19_8d212eb1205974c946ff0e39012f50b1_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	lbbhje.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
4628	cmd.exe
2712	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
2712	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
5748	rundll32.exe
5748	rundll32.exe
5748	rundll32.exe
5748	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5748	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3324	2026-08-19_8d212eb1205974c946ff0e39012f50b1_elex_wannacry.exe
4228	lbbhje.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3324 wrote to memory of 4628	3324	2026-08-19_8d212eb1205974c946ff0e39012f50b1_elex_wannacry.exe	90
PID 4628 wrote to memory of 2712	4628	cmd.exe	92
PID 4628 wrote to memory of 4228	4628	cmd.exe	93
PID 4228 wrote to memory of 5748	4228	lbbhje.exe	94

C:\Users\Admin\AppData\Local\Temp\2026-08-19_8d212eb1205974c946ff0e39012f50b1_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-19_8d212eb1205974c946ff0e39012f50b1_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3324
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&c:\lbbhje.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-19_8d212eb1205974c946ff0e39012f50b1_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:4628
- - 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:2712
- - \??\c:\lbbhje.exe
    c:\lbbhje.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-19_8d212eb1205974c946ff0e39012f50b1_elex_wannacry.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:4228
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\cgjzg\qomat.dll",init c:\lbbhje.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:5748

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

qomat.dll

Path \??\c:\cgjzg\qomat.dll
Size 42KB
SHA256 c7c41689de030df0f78f471422fa2a6383b36e77c94e7f6f124a96feb3e27ed7
MD5 36e3fb5964d663272cf1169e1e1ca478
SHA1 58115e08b49505bcbbb5c88a28a86222ba18d5d4
SHA512 daff53b11aa400437a06287707a334a09661c1ef7d0fd8beaf1a874c79c16fe45bd1188343d0623e839d3ead5ea2dd90896e37ccf3b252c7220c74989a9ba442
SSDEEP 768:t0inj1jJ5OeUMhBNSqHvMjjAipMkuG30sv2xEZkWldADAKPIp:t0ipV5uMhBt0jjAiusv22ZkWTOAKP8
TLSH
T1D813E19B6BEC7029FDD22BB4F4F66815EEB63F388CB2C70E114941AB1C3A9D51251706
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

lbbhje.exe

Path \??\c:\lbbhje.exe
Size 156KB
SHA256 52571a31ad66c4dda9f4a2d1381cd2985b0f46a991e79cab7ab5994d394e067d
MD5 cf2fb5ee744e2ebee530425c689dfe25
SHA1 663ae5eea0b96ee8f7d9af85de836beb9b956362
SHA512 39af45f920c613997fd298b94e07989934a309fadef3a9eaf9e0a41601111108482ef6c178e24a70eb1572b299606fcf754aadc85749b03b75bf8372371d8dc4
SSDEEP 3072:mK4RNx65b4RoIwZpx10ZENfrGSQ7sDU/ySkNAqm:ml65xiZuKoDkySkNAZ
TLSH
T1D3F3D0CE1F7ACFDBE1202C74D1A416F782529C99EB2457978385FD8EB832D81AC36125
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/3324-0-0x0000000000400000-0x0000000000426000-memory.dmp

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memory/3324-2-0x0000000000400000-0x0000000000426000-memory.dmp

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memory/4228-6-0x0000000000400000-0x0000000000426000-memory.dmp

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memory/5748-9-0x0000000010000000-0x000000001002E000-memory.dmp

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memory/5748-10-0x00000000025B0000-0x00000000025B1000-memory.dmp

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memory/5748-11-0x0000000010000000-0x000000001002E000-memory.dmp

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memory/5748-12-0x0000000010000000-0x000000001002E000-memory.dmp

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memory/5748-13-0x00000000025B0000-0x00000000025B1000-memory.dmp

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