farfli | a78854f637b50c290e266b0f6bbb1b9f0f1eaa28a38b0b07748664f423b6f45d

Analysis

max time kernel
150s
max time network
145s
platform
windows11-21h2_x64
resource
win11-20260513-en
resource tags

arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
08/06/2026, 13:12

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
2026-06-08_e30ad9b0a1333f2c3ddd00c0209035d3_elex_wannacry.exe
Size 110KB
Sample260608-qfgvbady2r
SHA256 a78854f637b50c290e266b0f6bbb1b9f0f1eaa28a38b0b07748664f423b6f45d
MD5 e30ad9b0a1333f2c3ddd00c0209035d3
SHA1 1649dfb05af0d78ddee0234f1b937ce45afa736a
SHA512 118b4b9a718c763641f183a65811a748b623a6807c5b3c682d60a20229ebc4239deb613e38493c79267776531586285077ce610e501780dfa9cc40343326288d
SSDEEP 1536:agDktLw4rO10tMrlk3SJDlf98jqP+8il3CxOeZIcIWlmyyF:ELRrO10TiJD9yjqrilyxOWPy
TLSH
T1A5B3AD5D6D62C49EE4014B7047579725A2A2AC1DFA304F334380BA5EFF36E0BEDE9198
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 3 IoCs

resource	yara_rule
behavioral2/memory/4984-12-0x0000000010000000-0x0000000010023000-memory.dmp	family_farfli
behavioral2/memory/4984-14-0x0000000010000000-0x0000000010023000-memory.dmp	family_farfli
behavioral2/memory/4984-15-0x0000000010000000-0x0000000010023000-memory.dmp	family_farfli

Detects executables containing base64 encoded User Agent 3 IoCs

resource	yara_rule
behavioral2/memory/4984-12-0x0000000010000000-0x0000000010023000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/4984-14-0x0000000010000000-0x0000000010023000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/4984-15-0x0000000010000000-0x0000000010023000-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
2	4984	rundll32.exe
3	4984	rundll32.exe
4	4984	rundll32.exe
5	4984	rundll32.exe
6	4984	rundll32.exe
8	4984	rundll32.exe
10	4984	rundll32.exe
11	4984	rundll32.exe

Deletes itself 1 IoCs

pid	Process
1148	evpiq.exe

Executes dropped EXE 1 IoCs

pid	Process
1148	evpiq.exe

Loads dropped DLL 1 IoCs

pid	Process
4984	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-1-5-21-2043432456-1617298091-2772621413-1000\Software\Microsoft\Windows\CurrentVersion\Run\EvtMgr = "c:\\windows\\SysWOW64\\rundll32.exe \"c:\\jkdzq\\cbsdcvkze.dll\",QueryPluginInterface"	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)	\??\m:	rundll32.exe
File opened (read-only)	\??\n:	rundll32.exe
File opened (read-only)	\??\q:	rundll32.exe
File opened (read-only)	\??\x:	rundll32.exe
File opened (read-only)	\??\y:	rundll32.exe
File opened (read-only)	\??\a:	rundll32.exe
File opened (read-only)	\??\b:	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)	\??\o:	rundll32.exe
File opened (read-only)	\??\p:	rundll32.exe
File opened (read-only)	\??\u:	rundll32.exe
File opened (read-only)	\??\h:	rundll32.exe
File opened (read-only)	\??\j:	rundll32.exe
File opened (read-only)	\??\t:	rundll32.exe
File opened (read-only)	\??\v:	rundll32.exe
File opened (read-only)	\??\w:	rundll32.exe
File opened (read-only)	\??\z:	rundll32.exe
File opened (read-only)	\??\e:	rundll32.exe
File opened (read-only)	\??\g:	rundll32.exe
File opened (read-only)	\??\r:	rundll32.exe
File opened (read-only)	\??\s:	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	evpiq.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-06-08_e30ad9b0a1333f2c3ddd00c0209035d3_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
2160	cmd.exe
2144	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
2144	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4984	rundll32.exe
4984	rundll32.exe
4984	rundll32.exe
4984	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4984	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3668	2026-06-08_e30ad9b0a1333f2c3ddd00c0209035d3_elex_wannacry.exe
1148	evpiq.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3668 wrote to memory of 2160	3668	2026-06-08_e30ad9b0a1333f2c3ddd00c0209035d3_elex_wannacry.exe	80
PID 2160 wrote to memory of 2144	2160	cmd.exe	82
PID 2160 wrote to memory of 1148	2160	cmd.exe	83
PID 1148 wrote to memory of 4984	1148	evpiq.exe	84

C:\Users\Admin\AppData\Local\Temp\2026-06-08_e30ad9b0a1333f2c3ddd00c0209035d3_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-06-08_e30ad9b0a1333f2c3ddd00c0209035d3_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3668
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\evpiq.exe "C:\Users\Admin\AppData\Local\Temp\2026-06-08_e30ad9b0a1333f2c3ddd00c0209035d3_elex_wannacry.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:2160
- - 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:2144
- - C:\Users\Admin\AppData\Local\Temp\evpiq.exe
    C:\Users\Admin\AppData\Local\Temp\\evpiq.exe "C:\Users\Admin\AppData\Local\Temp\2026-06-08_e30ad9b0a1333f2c3ddd00c0209035d3_elex_wannacry.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1148
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\jkdzq\cbsdcvkze.dll",QueryPluginInterface C:\Users\Admin\AppData\Local\Temp\evpiq.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:4984

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

Replay Monitor

Loading Replay Monitor...

Downloads

evpiq.exe

Path C:\Users\Admin\AppData\Local\Temp\evpiq.exe
Size 110KB
SHA256 6d7a62c47e0fa20bbe45ae7eb5ee900c96c51516555fbb1fff0fc911cdc50ee4
MD5 da5c8d904ecb2b19dba732370094adca
SHA1 e4b67cf6dc861091db1036529d9cc8767fa2c782
SHA512 f6f3bcf78350daa7f228748d778c4f6c9095ba3967866c1ad1e6c0f053be6f150185733be3a48d9e16a2fe85a2ad35905524c9a02b6abf6ec2cfd8c335ad90cd
SSDEEP 1536:agDktLw4rO10tMrlk3SJDlf98jqP+8il3CxOeZIcIWlmyyFq:ELRrO10TiJD9yjqrilyxOWPyQ
TLSH
T123B3AD1C6D62C59EE4014B7043579725A6A2AC1DFA304F334380BA5EFF36E0BEDE9198
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

cbsdcvkze.dll

Path \??\c:\jkdzq\cbsdcvkze.dll
Size 44KB
SHA256 9111c1eb1f0b59dcd49cfd5a0abc0ba100ac59a3bcae8623ff091dfdc46fed3c
MD5 0f12a7d509b2c9bb9b4cd6d8a0325e86
SHA1 f5fb59ad4f0633d115b06f35a2dc161dc4367157
SHA512 e3c84a643ff0a2627daba8a056221985a472aaf07bade61b3e9459db4bfc8792c1347606911e3fcc01581508004b18b5435bcccd5e7617cc6d091f37a5f42e7f
SSDEEP 768:DICzePjle2367kjhrXLdCuYMW8QVnwrLDGe/brbtJyOTuXfADVjeJ2i/MVJWAE:DDePjA23Ukjh37YMonwrvGybrbbRCf4E
TLSH
T1FD23F1A7B94E8D4FC0AE41F7078FC8D422B5589A97A7CB4626008F216CC4FB07E52376
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1148-7-0x0000000000400000-0x0000000000417000-memory.dmp

Download

memory/3668-0-0x0000000000400000-0x0000000000417000-memory.dmp

Download

memory/3668-2-0x0000000000400000-0x0000000000417000-memory.dmp

Download

memory/4984-10-0x0000000010000000-0x0000000010023000-memory.dmp

Download

memory/4984-11-0x0000000001500000-0x0000000001502000-memory.dmp

Download

memory/4984-12-0x0000000010000000-0x0000000010023000-memory.dmp

Download

memory/4984-13-0x0000000001500000-0x0000000001502000-memory.dmp

Download

memory/4984-14-0x0000000010000000-0x0000000010023000-memory.dmp

Download

memory/4984-15-0x0000000010000000-0x0000000010023000-memory.dmp

Download