farfli | 6cd8fe1db97f9fbd9bdb387e27c227339db78f036ea708ab3555c93ec645da98

Analysis

max time kernel
148s
max time network
147s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260710-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
13/08/2026, 12:09

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General

Target
2026-08-13_c73efa4874d1977a95921d1335cac5f1_elex_wannacry.exe
Size 96KB
Sample260813-pbmpbsgp5x
SHA256 6cd8fe1db97f9fbd9bdb387e27c227339db78f036ea708ab3555c93ec645da98
MD5 c73efa4874d1977a95921d1335cac5f1
SHA1 c7abe462867f08db8a8c5c9f01982200be74fa0f
SHA512 137b92cd1bc2f43e4ce466a8e1676242f02350fd37269366f9933aaa1b52618880ee10f679a8e87bb9f881cae2000126b855687a869689f4a32c2225f272d619
SSDEEP 1536:agDktLw4rO10tMrlk3SJDlf98jqP+8il3CxOeZIcu:ELRrO10TiJD9yjqrilyxO7
TLSH
T124A3CF5D7C83885EE5048B7047539626B6A26C19FA704F378340BE2DBB37947EDE928C
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 3 IoCs

resource	yara_rule
behavioral2/memory/5852-11-0x0000000010000000-0x0000000010023000-memory.dmp	family_farfli
behavioral2/memory/5852-14-0x0000000010000000-0x0000000010023000-memory.dmp	family_farfli
behavioral2/memory/5852-15-0x0000000010000000-0x0000000010023000-memory.dmp	family_farfli

Detects executables containing base64 encoded User Agent 3 IoCs

resource	yara_rule
behavioral2/memory/5852-11-0x0000000010000000-0x0000000010023000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/5852-14-0x0000000010000000-0x0000000010023000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/5852-15-0x0000000010000000-0x0000000010023000-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
6	5852	rundll32.exe
7	5852	rundll32.exe
8	5852	rundll32.exe
10	5852	rundll32.exe
11	5852	rundll32.exe
12	5852	rundll32.exe
14	5852	rundll32.exe
15	5852	rundll32.exe

Deletes itself 1 IoCs

pid	Process
2664	zpjkgiog.exe

Executes dropped EXE 1 IoCs

pid	Process
2664	zpjkgiog.exe

Loads dropped DLL 1 IoCs

pid	Process
5852	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:\\jpqll\\xjmnt.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)	\??\h:	rundll32.exe
File opened (read-only)	\??\i:	rundll32.exe
File opened (read-only)	\??\j:	rundll32.exe
File opened (read-only)	\??\p:	rundll32.exe
File opened (read-only)	\??\u:	rundll32.exe
File opened (read-only)	\??\l:	rundll32.exe
File opened (read-only)	\??\n:	rundll32.exe
File opened (read-only)	\??\q:	rundll32.exe
File opened (read-only)	\??\s:	rundll32.exe
File opened (read-only)	\??\w:	rundll32.exe
File opened (read-only)	\??\z:	rundll32.exe
File opened (read-only)	\??\b:	rundll32.exe
File opened (read-only)	\??\g:	rundll32.exe
File opened (read-only)	\??\t:	rundll32.exe
File opened (read-only)	\??\v:	rundll32.exe
File opened (read-only)	\??\x:	rundll32.exe
File opened (read-only)	\??\d:	rundll32.exe
File opened (read-only)	\??\k:	rundll32.exe
File opened (read-only)	\??\m:	rundll32.exe
File opened (read-only)	\??\o:	rundll32.exe
File opened (read-only)	\??\r:	rundll32.exe
File opened (read-only)	\??\y:	rundll32.exe
File opened (read-only)	\??\a:	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
5820	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	2026-08-13_c73efa4874d1977a95921d1335cac5f1_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	zpjkgiog.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
5820	cmd.exe
2556	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
2556	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
5852	rundll32.exe
5852	rundll32.exe
5852	rundll32.exe
5852	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5852	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4148	2026-08-13_c73efa4874d1977a95921d1335cac5f1_elex_wannacry.exe
2664	zpjkgiog.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4148 wrote to memory of 5820	4148	2026-08-13_c73efa4874d1977a95921d1335cac5f1_elex_wannacry.exe	89
PID 5820 wrote to memory of 2556	5820	cmd.exe	91
PID 5820 wrote to memory of 2664	5820	cmd.exe	92
PID 2664 wrote to memory of 5852	2664	zpjkgiog.exe	93

C:\Users\Admin\AppData\Local\Temp\2026-08-13_c73efa4874d1977a95921d1335cac5f1_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-13_c73efa4874d1977a95921d1335cac5f1_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4148
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\zpjkgiog.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-13_c73efa4874d1977a95921d1335cac5f1_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:5820
- - 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:2556
- - C:\Users\Admin\AppData\Local\Temp\zpjkgiog.exe
    C:\Users\Admin\AppData\Local\Temp\\zpjkgiog.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-13_c73efa4874d1977a95921d1335cac5f1_elex_wannacry.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2664
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\jpqll\xjmnt.dll",QueryPluginInterface C:\Users\Admin\AppData\Local\Temp\zpjkgiog.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:5852

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

zpjkgiog.exe

Path C:\Users\Admin\AppData\Local\Temp\zpjkgiog.exe
Size 96KB
SHA256 db4b94cb610223b2c7e63b828dfe11ced9d7e0035d83004d14e3696d28ee63a7
MD5 8017e22359fad2e04b657bad40be35b6
SHA1 7504bcde005239c1cd76b3876d1cbf12d0fbd2ea
SHA512 dfd66c67d089af4fd8cf978eef0816fa9d4c5eb35312dc4270d8acf2404b677bd6465b0cccb5195f3c1c9c06f22c99dbf0e961ceba0aa26c16dbd3ea714efd5e
SSDEEP 1536:agDktLw4rO10tMrlk3SJDlf98jqP+8il3CxOeZIc5:ELRrO10TiJD9yjqrilyxOA
TLSH
T1A0A3CF5D7C83885EE5048B7047539626B6A26C19FA704F378340BE1EBB37947EDE928C
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

xjmnt.dll

Path \??\c:\jpqll\xjmnt.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/2664-6-0x0000000000400000-0x0000000000417000-memory.dmp

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memory/4148-0-0x0000000000400000-0x0000000000417000-memory.dmp

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memory/4148-2-0x0000000000400000-0x0000000000417000-memory.dmp

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memory/5852-9-0x0000000010000000-0x0000000010023000-memory.dmp

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memory/5852-10-0x0000000002EE0000-0x0000000002EE2000-memory.dmp

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memory/5852-11-0x0000000010000000-0x0000000010023000-memory.dmp

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memory/5852-12-0x0000000002EE0000-0x0000000002EE2000-memory.dmp

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memory/5852-14-0x0000000010000000-0x0000000010023000-memory.dmp

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memory/5852-15-0x0000000010000000-0x0000000010023000-memory.dmp

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