farfli | ea11b7c777223fd16977e614232a3de4351f2df73cbae0d6e77ed28ab32c4c89

Analysis

max time kernel
148s
max time network
148s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
23/08/2026, 18:10

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General

Target
ea11b7c777223fd16977e614232a3de4351f2df73cbae0d6e77ed28ab32c4c89.exe
Size 102KB
Sample260823-wr5cmsyfpg
SHA256 ea11b7c777223fd16977e614232a3de4351f2df73cbae0d6e77ed28ab32c4c89
MD5 9e4e37c3cde16245015d7972036c5fe5
SHA1 827f296cec879f963e11cee7f3fa285262623e58
SHA512 f5716bcce9aa6fac1c12b82647409ae2eddc17b01089491b4e97d21c80fe6a516167b2b407ed3ef495f6c0934947541c0d913fa248cf8d6577c4d775139df651
SSDEEP 1536:vRiAXaKD5gxzmwYEM/D3ozc4I8JboecWtX48:piAXaKDeKNnD36cb8tI8
TLSH
T104A3AE42ABF08761E0619DB506735B629E73FC2B193482677BD6B70EAC34F40EE21355
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 4 IoCs

resource	yara_rule
behavioral2/memory/476-9-0x0000000010000000-0x000000001002E000-memory.dmp	family_farfli
behavioral2/memory/476-10-0x0000000010001000-0x000000001001E000-memory.dmp	family_farfli
behavioral2/memory/476-11-0x0000000010000000-0x000000001002E000-memory.dmp	family_farfli
behavioral2/memory/476-12-0x0000000010001000-0x000000001001E000-memory.dmp	family_farfli

Badlisted process makes network request 8 IoCs

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

flow	pid	Process
7	476	rundll32.exe
8	476	rundll32.exe
9	476	rundll32.exe
11	476	rundll32.exe
12	476	rundll32.exe
14	476	rundll32.exe
16	476	rundll32.exe
17	476	rundll32.exe

Deletes itself 1 IoCs

pid	Process
1116	jidlp.exe

Executes dropped EXE 1 IoCs

pid	Process
1116	jidlp.exe

Loads dropped DLL 1 IoCs

pid	Process
476	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-1-5-21-3986082593-3624157295-3514260330-1000\Software\Microsoft\Windows\CurrentVersion\Run\EvtMgr = "c:\\windows\\SysWOW64\\rundll32.exe \"c:\\ddjzz\\gaijdtizw.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)	\??\v:	rundll32.exe
File opened (read-only)	\??\j:	rundll32.exe
File opened (read-only)	\??\n:	rundll32.exe
File opened (read-only)	\??\p:	rundll32.exe
File opened (read-only)	\??\r:	rundll32.exe
File opened (read-only)	\??\s:	rundll32.exe
File opened (read-only)	\??\u:	rundll32.exe
File opened (read-only)	\??\x:	rundll32.exe
File opened (read-only)	\??\y:	rundll32.exe
File opened (read-only)	\??\o:	rundll32.exe
File opened (read-only)	\??\h:	rundll32.exe
File opened (read-only)	\??\i:	rundll32.exe
File opened (read-only)	\??\l:	rundll32.exe
File opened (read-only)	\??\z:	rundll32.exe
File opened (read-only)	\??\g:	rundll32.exe
File opened (read-only)	\??\t:	rundll32.exe
File opened (read-only)	\??\w:	rundll32.exe
File opened (read-only)	\??\q:	rundll32.exe
File opened (read-only)	\??\a:	rundll32.exe
File opened (read-only)	\??\b:	rundll32.exe
File opened (read-only)	\??\d:	rundll32.exe
File opened (read-only)	\??\k:	rundll32.exe
File opened (read-only)	\??\m:	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
4148	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	ea11b7c777223fd16977e614232a3de4351f2df73cbae0d6e77ed28ab32c4c89.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	jidlp.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
4148	cmd.exe
4972	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
4972	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
476	rundll32.exe
476	rundll32.exe
476	rundll32.exe
476	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	476	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
5252	ea11b7c777223fd16977e614232a3de4351f2df73cbae0d6e77ed28ab32c4c89.exe
1116	jidlp.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 5252 wrote to memory of 4148	5252	ea11b7c777223fd16977e614232a3de4351f2df73cbae0d6e77ed28ab32c4c89.exe	89
PID 4148 wrote to memory of 4972	4148	cmd.exe	91
PID 4148 wrote to memory of 1116	4148	cmd.exe	92
PID 1116 wrote to memory of 476	1116	jidlp.exe	93

C:\Users\Admin\AppData\Local\Temp\ea11b7c777223fd16977e614232a3de4351f2df73cbae0d6e77ed28ab32c4c89.exe
"C:\Users\Admin\AppData\Local\Temp\ea11b7c777223fd16977e614232a3de4351f2df73cbae0d6e77ed28ab32c4c89.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5252
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&c:\jidlp.exe "C:\Users\Admin\AppData\Local\Temp\ea11b7c777223fd16977e614232a3de4351f2df73cbae0d6e77ed28ab32c4c89.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:4148
- - 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:4972
- - \??\c:\jidlp.exe
    c:\jidlp.exe "C:\Users\Admin\AppData\Local\Temp\ea11b7c777223fd16977e614232a3de4351f2df73cbae0d6e77ed28ab32c4c89.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1116
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\ddjzz\gaijdtizw.dll",GetWindowClass c:\jidlp.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:476

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

gaijdtizw.dll

Path \??\c:\ddjzz\gaijdtizw.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

jidlp.exe

Path \??\c:\jidlp.exe
Size 102KB
SHA256 f5cca268b4f5ab5c921cf75a3ea1fc79559ae000bd61212ebadc77afd380efad
MD5 48977a94b6b2bb6f0d2787beff01d569
SHA1 56180bb4e7d6043e2e56f6ece92faa1bd97f9f48
SHA512 6d5ab53c5181448d4018bea111fe4cf2674b099fd54b65aa574a2d5ca9966b2e30030d03369e2110c26285959f5fcd26fb5099d085398b976cb6064264402c55
SSDEEP 1536:vRiAXaKD5gxzmwYEM/D3ozc4I8JboecWtX489S:piAXaKDeKNnD36cb8tI89S
TLSH
T10FA3AE42ABF08761E0629DB506735B629E73FC2B193482277BD6B70EAC34F40EE25355
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/476-9-0x0000000010000000-0x000000001002E000-memory.dmp

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memory/476-10-0x0000000010001000-0x000000001001E000-memory.dmp

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memory/476-11-0x0000000010000000-0x000000001002E000-memory.dmp

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memory/476-12-0x0000000010001000-0x000000001001E000-memory.dmp

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memory/1116-6-0x0000000000400000-0x000000000041A000-memory.dmp

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memory/5252-0-0x0000000000400000-0x000000000041A000-memory.dmp

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memory/5252-2-0x0000000000400000-0x000000000041A000-memory.dmp

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