farfli | 0ec76b63273911e4297e9361d72bfe08fafec30094ba21f40f6f1eed9557398c

Analysis

max time kernel
149s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
09/08/2026, 10:21

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General

Target
2026-08-09_1f8afe997fa38483dc72cc43ee89d24b_elex_gh0st-rat_wannacry.exe
Size 553KB
Sample260809-mdz2bswbrd
SHA256 0ec76b63273911e4297e9361d72bfe08fafec30094ba21f40f6f1eed9557398c
MD5 1f8afe997fa38483dc72cc43ee89d24b
SHA1 c0b07b8c104c00c1ca0eff22d001248b5970e2b5
SHA512 02edbac81cce77e1e4b6f8f7eb5a786a5977cc26656e1d3e9b5423c3ca01273369aae53d66ecaad543cc0f3937ef8623cdc0f491b33c9f0512d8d6a0fa6d36df
SSDEEP 6144:YBcsToNOF/VPzPnVu14MfrkEzmI0jL1cb71Xzb7N:kcso2V7Pc4Mzpz10vCH1f7N
TLSH
T1EFC4027275760A86E01691B0E7627D3DDA6DD80F351D9A2B8F04050FA873E164CFAF8E
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
behavioral1/memory/1852-9-0x0000000010000000-0x000000001007F000-memory.dmp	family_farfli
behavioral1/memory/1852-10-0x0000000010000000-0x000000001007F000-memory.dmp	family_farfli

Detects executables containing base64 encoded User Agent 2 IoCs

resource	yara_rule
behavioral1/memory/1852-9-0x0000000010000000-0x000000001007F000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral1/memory/1852-10-0x0000000010000000-0x000000001007F000-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
10	1852	rundll32.exe
11	1852	rundll32.exe
12	1852	rundll32.exe
13	1852	rundll32.exe
14	1852	rundll32.exe
18	1852	rundll32.exe
33	1852	rundll32.exe
34	1852	rundll32.exe
39	1852	rundll32.exe
40	1852	rundll32.exe
43	1852	rundll32.exe
46	1852	rundll32.exe
51	1852	rundll32.exe
52	1852	rundll32.exe
55	1852	rundll32.exe

Deletes itself 1 IoCs

pid	Process
608	xgrqb.exe

Executes dropped EXE 1 IoCs

pid	Process
608	xgrqb.exe

Loads dropped DLL 1 IoCs

pid	Process
1852	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-1-5-21-2370214745-1838013427-2987045292-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\EvtMgr = "c:\\windows\\SysWOW64\\rundll32.exe \"c:\\nuylnqfj\\awurlqw.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)	\??\k:	rundll32.exe
File opened (read-only)	\??\g:	rundll32.exe
File opened (read-only)	\??\l:	rundll32.exe
File opened (read-only)	\??\p:	rundll32.exe
File opened (read-only)	\??\t:	rundll32.exe
File opened (read-only)	\??\u:	rundll32.exe
File opened (read-only)	\??\x:	rundll32.exe
File opened (read-only)	\??\e:	rundll32.exe
File opened (read-only)	\??\i:	rundll32.exe
File opened (read-only)	\??\n:	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)	\??\j:	rundll32.exe
File opened (read-only)	\??\m:	rundll32.exe
File opened (read-only)	\??\o:	rundll32.exe
File opened (read-only)	\??\q:	rundll32.exe
File opened (read-only)	\??\y:	rundll32.exe
File opened (read-only)	\??\z:	rundll32.exe
File opened (read-only)	\??\a:	rundll32.exe
File opened (read-only)	\??\b:	rundll32.exe
File opened (read-only)	\??\h:	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
4588	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_1f8afe997fa38483dc72cc43ee89d24b_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	xgrqb.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
4140	PING.EXE
4588	cmd.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
4140	PING.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1852	rundll32.exe
1852	rundll32.exe
1852	rundll32.exe
1852	rundll32.exe
1852	rundll32.exe
1852	rundll32.exe
1852	rundll32.exe
1852	rundll32.exe
1852	rundll32.exe
1852	rundll32.exe
1852	rundll32.exe
1852	rundll32.exe
1852	rundll32.exe
1852	rundll32.exe
1852	rundll32.exe
1852	rundll32.exe
1852	rundll32.exe
1852	rundll32.exe
1852	rundll32.exe
1852	rundll32.exe
1852	rundll32.exe
1852	rundll32.exe
1852	rundll32.exe
1852	rundll32.exe
1852	rundll32.exe
1852	rundll32.exe
1852	rundll32.exe
1852	rundll32.exe
1852	rundll32.exe
1852	rundll32.exe
1852	rundll32.exe
1852	rundll32.exe
1852	rundll32.exe
1852	rundll32.exe
1852	rundll32.exe
1852	rundll32.exe
1852	rundll32.exe
1852	rundll32.exe
1852	rundll32.exe
1852	rundll32.exe
1852	rundll32.exe
1852	rundll32.exe
1852	rundll32.exe
1852	rundll32.exe
1852	rundll32.exe
1852	rundll32.exe
1852	rundll32.exe
1852	rundll32.exe
1852	rundll32.exe
1852	rundll32.exe
1852	rundll32.exe
1852	rundll32.exe
1852	rundll32.exe
1852	rundll32.exe
1852	rundll32.exe
1852	rundll32.exe
1852	rundll32.exe
1852	rundll32.exe
1852	rundll32.exe
1852	rundll32.exe
1852	rundll32.exe
1852	rundll32.exe
1852	rundll32.exe
1852	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1852	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4940	2026-08-09_1f8afe997fa38483dc72cc43ee89d24b_elex_gh0st-rat_wannacry.exe
608	xgrqb.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4940 wrote to memory of 4588	4940	2026-08-09_1f8afe997fa38483dc72cc43ee89d24b_elex_gh0st-rat_wannacry.exe	84
PID 4588 wrote to memory of 4140	4588	cmd.exe	86
PID 4588 wrote to memory of 608	4588	cmd.exe	87
PID 608 wrote to memory of 1852	608	xgrqb.exe	88

C:\Users\Admin\AppData\Local\Temp\2026-08-09_1f8afe997fa38483dc72cc43ee89d24b_elex_gh0st-rat_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-09_1f8afe997fa38483dc72cc43ee89d24b_elex_gh0st-rat_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4940
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\xgrqb.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-09_1f8afe997fa38483dc72cc43ee89d24b_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:4588
- - 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:4140
- - C:\Users\Admin\AppData\Local\Temp\xgrqb.exe
    C:\Users\Admin\AppData\Local\Temp\\xgrqb.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-09_1f8afe997fa38483dc72cc43ee89d24b_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:608
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\nuylnqfj\awurlqw.dll",Getlua C:\Users\Admin\AppData\Local\Temp\xgrqb.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:1852

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

xgrqb.exe

Path C:\Users\Admin\AppData\Local\Temp\xgrqb.exe
Size 553KB
SHA256 27282ac637168325e209c824e9a041b44aeb7e9686580d70a8cfa274a16b6320
MD5 232393120e6b5a9ab86c67f5de0c3e16
SHA1 aaa1392b9671ed89bb23358bf989bfba8f6fed62
SHA512 b691e84515fc8caa19528c73e76bcfc85db4354f3fdec604967a05686881b42e2b59c20cc428fc41f971ff6c917534c927c22fb4025a1d1e0fb04d02c09c775d
SSDEEP 6144:YBcsToNOF/VPzPnVu14MfrkEzmI0jL1cb71Xzb7O:kcso2V7Pc4Mzpz10vCH1f7O
TLSH
T139C4027275764A86E01691B0E7627D3DDA6CD80F351C9A2B8F04050FA873E164CFAF9E
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

awurlqw.dll

Path \??\c:\nuylnqfj\awurlqw.dll
Size 232KB
SHA256 daee38353569d1facb337f6da82d97a2ac0af8461a42222f9a4f2564464513dc
MD5 90b293b6c5d75884adc50adae58e93a3
SHA1 f625e336d80596f8ecb7dbe35fb6e29e152c1db3
SHA512 6a5de5639d1a47cfa19e199768ee3289b24233556e3132b42bdf27f0ce4894ded5d40a8a7e372893a2d3229645cd6ae790a49fa83dd063e7c73c4b61d727dd3e
SSDEEP 6144:Pr8MZSC3s9b0gdl7RTk8WhBFfGuL/HiTU:wy/Gb99a8IFfRL/HkU
TLSH
T1143412C1B3BE6134FC9343B50EA429BDF99045A42E3DE176EFA455263D02D2268396CF
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1852-7-0x0000000010000000-0x000000001007F000-memory.dmp

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memory/1852-9-0x0000000010000000-0x000000001007F000-memory.dmp

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memory/1852-10-0x0000000010000000-0x000000001007F000-memory.dmp

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