farfli | f4d57718fa05c9978ddc6ccd9d34ba2d30c07bb95de7bd20360f23a8492b3923

Analysis

max time kernel
149s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
04/08/2026, 05:36

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
2026-08-04_bf408ad0748a6066ed5507f3c0f2ca07_coinminer_elex_wannacry.exe
Size 234KB
Sample260804-gank8sdf96
SHA256 f4d57718fa05c9978ddc6ccd9d34ba2d30c07bb95de7bd20360f23a8492b3923
MD5 bf408ad0748a6066ed5507f3c0f2ca07
SHA1 2c75d8cc32886136055a6783d3aa4f8aa4d961a6
SHA512 6ec573c431c1642b4d4803a7ed3a1c963daaf173a3b6359c07671e3dcfb031a293ed4bb3533e794729455b1b70d816311d772e2baa9f7fb0001bafa95d2a9b87
SSDEEP 6144:eMgmYA/npA6SUqfjKfr4QdsICWkZ3h1SLCDFqnetKSoc5:tgmYA/nsYf8QdsINkZ6CQetFr
TLSH
T17534F18136A5CD77F0621B7E4D7B163A8537BE691B00709BD3C4AD4FB431AE46E2E209
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

backdoor bootkit discovery execution farfli gh0strat persistence rat spyware stealer

Malware Config

Extracted

Family

gh0strat

98.126.40.18:3204
http://98.126.40.19:805/index.php
http://98.126.40.20:803/

Attributes

user_agent
Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.1; Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C))

Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.0)

Signatures

Family: Farfli
Farfli is a Windows backdoor written in C++.
backdoor farfli
Family: Gh0strat
Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.
rat gh0strat

Detects Farfli Backdoor 2 IoCs

resource	yara_rule
behavioral1/memory/3056-15-0x0000000010000000-0x000000001006D000-memory.dmp	family_farfli
behavioral1/memory/3056-18-0x0000000010000000-0x000000001006D000-memory.dmp	family_farfli

Detects executables containing base64 encoded User Agent 2 IoCs

resource	yara_rule
behavioral1/memory/3056-15-0x0000000010000000-0x000000001006D000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral1/memory/3056-18-0x0000000010000000-0x000000001006D000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent

UPX dump on OEP (original entry point) 4 IoCs

resource	yara_rule
behavioral1/memory/4056-0-0x0000000000400000-0x0000000000468000-memory.dmp	UPX
behavioral1/memory/4056-2-0x0000000000400000-0x0000000000468000-memory.dmp	UPX
behavioral1/files/0x00090000000244dd-4.dat	UPX
behavioral1/memory/3040-10-0x0000000000400000-0x0000000000468000-memory.dmp	UPX

Deletes itself 1 IoCs

pid	Process
3040	xnjgp.exe

Executes dropped EXE 2 IoCs

pid	Process
3040	xnjgp.exe
3056	phg.exe

Loads dropped DLL 1 IoCs

pid	Process
3056	phg.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-1-5-21-2937465464-4167303362-2236413517-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\it = "c:\\Program Files\\ndwww\\phg.exe \"c:\\Program Files\\ndwww\\phgwy.dll\",Interface"	phg.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)	\??\t:	phg.exe
File opened (read-only)	\??\v:	phg.exe
File opened (read-only)	\??\b:	phg.exe
File opened (read-only)	\??\g:	phg.exe
File opened (read-only)	\??\l:	phg.exe
File opened (read-only)	\??\n:	phg.exe
File opened (read-only)	\??\r:	phg.exe
File opened (read-only)	\??\u:	phg.exe
File opened (read-only)	\??\z:	phg.exe
File opened (read-only)	\??\a:	phg.exe
File opened (read-only)	\??\p:	phg.exe
File opened (read-only)	\??\w:	phg.exe
File opened (read-only)	\??\x:	phg.exe
File opened (read-only)	\??\h:	phg.exe
File opened (read-only)	\??\i:	phg.exe
File opened (read-only)	\??\k:	phg.exe
File opened (read-only)	\??\y:	phg.exe
File opened (read-only)	\??\e:	phg.exe
File opened (read-only)	\??\j:	phg.exe
File opened (read-only)	\??\m:	phg.exe
File opened (read-only)	\??\o:	phg.exe
File opened (read-only)	\??\q:	phg.exe
File opened (read-only)	\??\s:	phg.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	phg.exe

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File opened for modification	\??\c:\Program Files\ndwww	xnjgp.exe
File created	\??\c:\Program Files\ndwww\phgwy.dll	xnjgp.exe
File created	\??\c:\Program Files\ndwww\phg.exe	xnjgp.exe
File opened for modification	\??\c:\Program Files\ndwww\phg.exe	xnjgp.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
3004	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	2026-08-04_bf408ad0748a6066ed5507f3c0f2ca07_coinminer_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	xnjgp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	phg.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
3004	cmd.exe
1884	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	phg.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	phg.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1884	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3056	phg.exe
3056	phg.exe
3056	phg.exe
3056	phg.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3056	phg.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4056	2026-08-04_bf408ad0748a6066ed5507f3c0f2ca07_coinminer_elex_wannacry.exe
3040	xnjgp.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4056 wrote to memory of 3004	4056	2026-08-04_bf408ad0748a6066ed5507f3c0f2ca07_coinminer_elex_wannacry.exe	85
PID 3004 wrote to memory of 1884	3004	cmd.exe	87
PID 3004 wrote to memory of 3040	3004	cmd.exe	88
PID 3040 wrote to memory of 3056	3040	xnjgp.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-04_bf408ad0748a6066ed5507f3c0f2ca07_coinminer_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-04_bf408ad0748a6066ed5507f3c0f2ca07_coinminer_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4056
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\xnjgp.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-04_bf408ad0748a6066ed5507f3c0f2ca07_coinminer_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:3004
- - 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:1884
- - C:\Users\Admin\AppData\Local\Temp\xnjgp.exe
    C:\Users\Admin\AppData\Local\Temp\\xnjgp.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-04_bf408ad0748a6066ed5507f3c0f2ca07_coinminer_elex_wannacry.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - Drops file in Program Files directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:3040
  - - \??\c:\Program Files\ndwww\phg.exe
      "c:\Program Files\ndwww\phg.exe" "c:\Program Files\ndwww\phgwy.dll",Interface C:\Users\Admin\AppData\Local\Temp\xnjgp.exe
      4⤵
      Executes dropped EXE
      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:3056

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

phg.exe

Path C:\Program Files\ndwww\phg.exe
Size 60KB
SHA256 6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910
MD5 889b99c52a60dd49227c5e485a016679
SHA1 8fa889e456aa646a4d0a4349977430ce5fa5e2d7
SHA512 08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641
SSDEEP 1536:H9ykYCTdiHQKrFXmw2RQln5IUmDjoX6+:HlMHprF2nRQln5I
TLSH
T127532AC2FA00C171D4A7563019778F1A5766AC13DB728ACB94B0B4A41EB3291AD3E5FF
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

xnjgp.exe

Path C:\Users\Admin\AppData\Local\Temp\xnjgp.exe
Size 235KB
SHA256 cab8d14259daa0331de4b380ff36f8288b0e13ad4ac29e5f5a415c70e329e910
MD5 43358f978ab0ec0cc825a70e2eb9d5ca
SHA1 ee3a3f9681e7bf67896e79c5be83d7efb5c2cc23
SHA512 af582cfa917c16ddd8ac336b97f353964606c9a1a1eac9dba8a711d015907cb3afbc9a19365e3fa5b052e5052eb066b99b82271e7d4608cbefdc555de0879815
SSDEEP 6144:eMgmYA/npA6SUqfjKfr4QdsICWkZ3h1SLCDFqnetKSocI:tgmYA/nsYf8QdsINkZ6CQetFe
TLSH
T1E134F18136A5CD77F0621B7D4D7B163A8536BE691B00709BD3C4AD4FB431AE46E2E209
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

phgwy.dll

Path \??\c:\Program Files\ndwww\phgwy.dll
Size 168KB
SHA256 8b39f9172e17182226dbd83599453340188ae8e5f1cbbbbebd6f5860713ec3a1
MD5 b57735184b35ba9899be615db691eafe
SHA1 1f6b656e6ecd6ecce3569dfce67a7b44a2ab401e
SHA512 e652ebfcf5b0abbca575db0df9c419eb299c172b79a54a3fbbbbe152c501f69e95e61cac0141a3e4a145194aba132c5bd9a2697f8a45fadcf3fd39f0c2a4580e
SSDEEP 3072:S25S8qsPfVoCxEI5GRycgzQkf2+JKC8L1MwwYsg89R5gZM6:SJ8T1xE3ocg9f2nfLnwYsxf2Zn
TLSH
T197F312D3EFA649E0C4361BB06C53C10FB8620C6498715B5543D9BEEA3DA668E493D3A1
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/3040-10-0x0000000000400000-0x0000000000468000-memory.dmp

Download

memory/3056-14-0x0000000010000000-0x000000001006D000-memory.dmp

Download

memory/3056-15-0x0000000010000000-0x000000001006D000-memory.dmp

Download

memory/3056-18-0x0000000010000000-0x000000001006D000-memory.dmp

Download

memory/4056-0-0x0000000000400000-0x0000000000468000-memory.dmp

Download

memory/4056-2-0x0000000000400000-0x0000000000468000-memory.dmp

Download