farfli | 42234c9d053ac4dc73c90a15a12ec32b64b86ff1d20c0359292ec3c12fceecae

Analysis

max time kernel
150s
max time network
153s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
09/08/2026, 10:23

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
2026-08-09_1467cd6726721da94d764774178814cd_elex_gh0st-rat_wannacry.exe
Size 553KB
Sample260809-mey6esdn5w
SHA256 42234c9d053ac4dc73c90a15a12ec32b64b86ff1d20c0359292ec3c12fceecae
MD5 1467cd6726721da94d764774178814cd
SHA1 0ede0a7006ee8de074c16eb1132edc8efd5d4d45
SHA512 cc1fdab6430f7bf3a2d453b9eb41087d84db0fe5f353edd317c7d5cd9482fd538a1f8c1752dd238a4352ab0926762a3cb00be34388afaf43d8808f744fc6d53e
SSDEEP 6144:YBcsToNOF/VPzPnVu14MfrkEzmI0jL1cb71Xzb7V:kcso2V7Pc4Mzpz10vCH1f7V
TLSH
T1DDC4027275764A86E01691B0E7636D3CDA6DD80F351C9A2B8F04050FE973E164CFAE8E
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/3016-7-0x0000000010000000-0x000000001007F000-memory.dmp	family_farfli
behavioral2/memory/3016-9-0x0000000010000000-0x000000001007F000-memory.dmp	family_farfli

Detects executables containing base64 encoded User Agent 2 IoCs

resource	yara_rule
behavioral2/memory/3016-7-0x0000000010000000-0x000000001007F000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/3016-9-0x0000000010000000-0x000000001007F000-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	3016	rundll32.exe
8	3016	rundll32.exe
9	3016	rundll32.exe
10	3016	rundll32.exe
12	3016	rundll32.exe
13	3016	rundll32.exe
14	3016	rundll32.exe
15	3016	rundll32.exe
17	3016	rundll32.exe
18	3016	rundll32.exe
19	3016	rundll32.exe
20	3016	rundll32.exe
21	3016	rundll32.exe
22	3016	rundll32.exe
23	3016	rundll32.exe

Deletes itself 1 IoCs

pid	Process
4436	bqoosn.exe

Executes dropped EXE 1 IoCs

pid	Process
4436	bqoosn.exe

Loads dropped DLL 1 IoCs

pid	Process
3016	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-1-5-21-552508041-2681165170-3229858294-1000\Software\Microsoft\Windows\CurrentVersion\Run\EvtMgr = "c:\\windows\\SysWOW64\\rundll32.exe \"c:\\adoqh\\yhiqifem.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)	\??\r:	rundll32.exe
File opened (read-only)	\??\s:	rundll32.exe
File opened (read-only)	\??\v:	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)	\??\t:	rundll32.exe
File opened (read-only)	\??\y:	rundll32.exe
File opened (read-only)	\??\a:	rundll32.exe
File opened (read-only)	\??\d:	rundll32.exe
File opened (read-only)	\??\g:	rundll32.exe
File opened (read-only)	\??\i:	rundll32.exe
File opened (read-only)	\??\o:	rundll32.exe
File opened (read-only)	\??\b:	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)	\??\n:	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)	\??\k:	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
412	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	2026-08-09_1467cd6726721da94d764774178814cd_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	bqoosn.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
412	cmd.exe
1696	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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	rundll32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	rundll32.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1696	PING.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3016	rundll32.exe
3016	rundll32.exe
3016	rundll32.exe
3016	rundll32.exe
3016	rundll32.exe
3016	rundll32.exe
3016	rundll32.exe
3016	rundll32.exe
3016	rundll32.exe
3016	rundll32.exe
3016	rundll32.exe
3016	rundll32.exe
3016	rundll32.exe
3016	rundll32.exe
3016	rundll32.exe
3016	rundll32.exe
3016	rundll32.exe
3016	rundll32.exe
3016	rundll32.exe
3016	rundll32.exe
3016	rundll32.exe
3016	rundll32.exe
3016	rundll32.exe
3016	rundll32.exe
3016	rundll32.exe
3016	rundll32.exe
3016	rundll32.exe
3016	rundll32.exe
3016	rundll32.exe
3016	rundll32.exe
3016	rundll32.exe
3016	rundll32.exe
3016	rundll32.exe
3016	rundll32.exe
3016	rundll32.exe
3016	rundll32.exe
3016	rundll32.exe
3016	rundll32.exe
3016	rundll32.exe
3016	rundll32.exe
3016	rundll32.exe
3016	rundll32.exe
3016	rundll32.exe
3016	rundll32.exe
3016	rundll32.exe
3016	rundll32.exe
3016	rundll32.exe
3016	rundll32.exe
3016	rundll32.exe
3016	rundll32.exe
3016	rundll32.exe
3016	rundll32.exe
3016	rundll32.exe
3016	rundll32.exe
3016	rundll32.exe
3016	rundll32.exe
3016	rundll32.exe
3016	rundll32.exe
3016	rundll32.exe
3016	rundll32.exe
3016	rundll32.exe
3016	rundll32.exe
3016	rundll32.exe
3016	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3016	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2948	2026-08-09_1467cd6726721da94d764774178814cd_elex_gh0st-rat_wannacry.exe
4436	bqoosn.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2948 wrote to memory of 412	2948	2026-08-09_1467cd6726721da94d764774178814cd_elex_gh0st-rat_wannacry.exe	89
PID 412 wrote to memory of 1696	412	cmd.exe	91
PID 412 wrote to memory of 4436	412	cmd.exe	92
PID 4436 wrote to memory of 3016	4436	bqoosn.exe	93

C:\Users\Admin\AppData\Local\Temp\2026-08-09_1467cd6726721da94d764774178814cd_elex_gh0st-rat_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-09_1467cd6726721da94d764774178814cd_elex_gh0st-rat_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2948
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\bqoosn.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-09_1467cd6726721da94d764774178814cd_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:412
- - 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:1696
- - C:\Users\Admin\AppData\Local\Temp\bqoosn.exe
    C:\Users\Admin\AppData\Local\Temp\\bqoosn.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-09_1467cd6726721da94d764774178814cd_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:4436
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\adoqh\yhiqifem.dll",Getlua C:\Users\Admin\AppData\Local\Temp\bqoosn.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:3016

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

Replay Monitor

Loading Replay Monitor...

Downloads

bqoosn.exe

Path C:\Users\Admin\AppData\Local\Temp\bqoosn.exe
Size 553KB
SHA256 4d9826c9c8e8413a4745e3a9f367678b95a9d9478a787c3b3b5ce44a43d84b09
MD5 0595f34f6b6e552adefc8f472b84cbc0
SHA1 2bf3c5cb7ec24854b6c11b03f505c5a0f43d1bb3
SHA512 1d99a9287467f98cb093880326532fc247489f433f9cae2f46376e61ab6414478f86a2036d290de0e7dfa5609f166c8dfd5cc3499285c0584ef1a19a390c293b
SSDEEP 6144:YBcsToNOF/VPzPnVu14MfrkEzmI0jL1cb71Xzb72:kcso2V7Pc4Mzpz10vCH1f72
TLSH
T1FEC4027275764A86E01691B0E7636D3CDA6DD80F351C9A2B8F04050FE973E164CFAE8E
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

yhiqifem.dll

Path \??\c:\adoqh\yhiqifem.dll
Size 232KB
SHA256 f911c2acd011e438330d0574a53222e384d9166efece89afc7db7a0993dc5d40
MD5 ee493386121cde4905726166102852ef
SHA1 cc580f6acc83bc962fb91e8c4d27a9dbd2386ee1
SHA512 64f71e2bde780e1265306f0e9e7e8f575ddc1a77883d0893fa2af9367994d367c85ea15882b835e4887ef3f3f9573c7b4dd9418d63a0d0c1e1d258f7e37449b3
SSDEEP 6144:Pr8MZSC3s9b0gdl7RTk8WhBFfGuL/HiTO:wy/Gb99a8IFfRL/HkO
TLSH
T1553413C1B3BE6134FC9383B50EA419BDF99045A42D3DE176EF9456263D02D2268396CF
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/3016-6-0x0000000010000000-0x000000001007F000-memory.dmp

Download

memory/3016-7-0x0000000010000000-0x000000001007F000-memory.dmp

Download

memory/3016-9-0x0000000010000000-0x000000001007F000-memory.dmp

Download