farfli | d0147e80a59dc503b59c44c80556c6bf1a80ca485fe87bd0e76715b572f463bd

Analysis

max time kernel
148s
max time network
139s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
07/08/2026, 03:40

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General

Target
2026-08-07_f69031035beddda633887b926f26514a_coinminer_elex_wannacry.exe
Size 248KB
Sample260807-d8ffqsfl5z
SHA256 d0147e80a59dc503b59c44c80556c6bf1a80ca485fe87bd0e76715b572f463bd
MD5 f69031035beddda633887b926f26514a
SHA1 8fc686a4d2f137784c63f0136be13969df249ea0
SHA512 63d377dd2d5ce3a57ee42ced746ef607ab92728e0fc43da9ec9945ce4d4aba83aa91262ed438142342e0b54d371a3f7d3219802159f5e7149a5ff06a86fbcb3d
SSDEEP 6144:eMgmYA/npA6SUqfjKfr4QdsICWkZ3h1SLCDFqnetKSo3:tgmYA/nsYf8QdsINkZ6CQetFG
TLSH
T15B44F1813675CDB7F4621A7D4E2B56368136BE192B047097D3C4AD4FF434AE9AE3E108
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
behavioral2/memory/3180-11-0x0000000010000000-0x000000001006D000-memory.dmp	family_farfli
behavioral2/memory/3180-14-0x0000000010000000-0x000000001006D000-memory.dmp	family_farfli

Detects executables containing base64 encoded User Agent 2 IoCs

resource	yara_rule
behavioral2/memory/3180-11-0x0000000010000000-0x000000001006D000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/3180-14-0x0000000010000000-0x000000001006D000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent

UPX dump on OEP (original entry point) 4 IoCs

resource	yara_rule
behavioral2/memory/4200-0-0x0000000000400000-0x0000000000468000-memory.dmp	UPX
behavioral2/memory/4200-2-0x0000000000400000-0x0000000000468000-memory.dmp	UPX
behavioral2/files/0x000700000001b853-3.dat	UPX
behavioral2/memory/4120-7-0x0000000000400000-0x0000000000468000-memory.dmp	UPX

Deletes itself 1 IoCs

pid	Process
4120	ieqgp.exe

Executes dropped EXE 2 IoCs

pid	Process
4120	ieqgp.exe
3180	fmb.exe

Loads dropped DLL 1 IoCs

pid	Process
3180	fmb.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-1-5-21-4046655672-1449839301-2197395821-1000\Software\Microsoft\Windows\CurrentVersion\Run\it = "c:\\Program Files\\whxzt\\fmb.exe \"c:\\Program Files\\whxzt\\fmbbf.dll\",Interface"	fmb.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)	\??\i:	fmb.exe
File opened (read-only)	\??\k:	fmb.exe
File opened (read-only)	\??\x:	fmb.exe
File opened (read-only)	\??\o:	fmb.exe
File opened (read-only)	\??\p:	fmb.exe
File opened (read-only)	\??\q:	fmb.exe
File opened (read-only)	\??\r:	fmb.exe
File opened (read-only)	\??\s:	fmb.exe
File opened (read-only)	\??\t:	fmb.exe
File opened (read-only)	\??\u:	fmb.exe
File opened (read-only)	\??\z:	fmb.exe
File opened (read-only)	\??\a:	fmb.exe
File opened (read-only)	\??\b:	fmb.exe
File opened (read-only)	\??\d:	fmb.exe
File opened (read-only)	\??\g:	fmb.exe
File opened (read-only)	\??\h:	fmb.exe
File opened (read-only)	\??\y:	fmb.exe
File opened (read-only)	\??\j:	fmb.exe
File opened (read-only)	\??\l:	fmb.exe
File opened (read-only)	\??\m:	fmb.exe
File opened (read-only)	\??\n:	fmb.exe
File opened (read-only)	\??\v:	fmb.exe
File opened (read-only)	\??\w:	fmb.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	fmb.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	\??\c:\Program Files\whxzt\fmbbf.dll	ieqgp.exe
File created	\??\c:\Program Files\whxzt\fmb.exe	ieqgp.exe
File opened for modification	\??\c:\Program Files\whxzt	ieqgp.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
1324	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	2026-08-07_f69031035beddda633887b926f26514a_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	ieqgp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fmb.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
1324	cmd.exe
2540	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	fmb.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	fmb.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2540	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3180	fmb.exe
3180	fmb.exe
3180	fmb.exe
3180	fmb.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3180	fmb.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4200	2026-08-07_f69031035beddda633887b926f26514a_coinminer_elex_wannacry.exe
4120	ieqgp.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4200 wrote to memory of 1324	4200	2026-08-07_f69031035beddda633887b926f26514a_coinminer_elex_wannacry.exe	89
PID 1324 wrote to memory of 2540	1324	cmd.exe	91
PID 1324 wrote to memory of 4120	1324	cmd.exe	92
PID 4120 wrote to memory of 3180	4120	ieqgp.exe	93

C:\Users\Admin\AppData\Local\Temp\2026-08-07_f69031035beddda633887b926f26514a_coinminer_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-07_f69031035beddda633887b926f26514a_coinminer_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4200
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\ieqgp.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-07_f69031035beddda633887b926f26514a_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:1324
- - 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:2540
- - C:\Users\Admin\AppData\Local\Temp\ieqgp.exe
    C:\Users\Admin\AppData\Local\Temp\\ieqgp.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-07_f69031035beddda633887b926f26514a_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:4120
  - - \??\c:\Program Files\whxzt\fmb.exe
      "c:\Program Files\whxzt\fmb.exe" "c:\Program Files\whxzt\fmbbf.dll",Interface C:\Users\Admin\AppData\Local\Temp\ieqgp.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:3180

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

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Downloads

fmb.exe

Path C:\Program Files\whxzt\fmb.exe
Size 51KB
SHA256 ce6bb7eddc83762c708d4a41709ae00371dbdc09b2a380f28fa60b1edf917473
MD5 2e068ce2770fde8d1af4cb114b98df1f
SHA1 b6f9c2775babb025b22f915c3047aa627d07c312
SHA512 998d695eb56375e63df7db16740b89deb2cf630ccbead8bcf84a921ec6f4a4f9aef2755b703f7190f332b2008ebcc949363bcf8f392d7d07246c255b5073ed35
SSDEEP 1536:6G9yoVEpHP29I3fbcJboSUge5N+CnC/maz9Rh:8pv2mbcJboce58wvOR
TLSH
T137336C236A0A49B3DFE231780A9D7232526DD862075541F7A61057EAFD243E2EE743CF
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

ieqgp.exe

Path C:\Users\Admin\AppData\Local\Temp\ieqgp.exe
Size 249KB
SHA256 9cbe078356812ecc762dad8ecabfdf7d4156515cd53c7901ccd7769085077885
MD5 fed92c30925fc84fec9a68773afb87d2
SHA1 40f1c112afa1ee90c387fd1452b6586c72dc58b5
SHA512 a9ae6f33ba031fdee1880fcdc27077564a152e60a03213576efceebe342b183eb80aa42cb99a90df43e2c6c930e0530b9489bdd09b919aaec02bd493453a633e
SSDEEP 6144:eMgmYA/npA6SUqfjKfr4QdsICWkZ3h1SLCDFqnetKSoo:tgmYA/nsYf8QdsINkZ6CQetFR
TLSH
T1C144F1813675CEB7F0621A7D4E2B56368136BE192B047097D3C4AD4FF434EA9AE3E148
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

fmbbf.dll

Path \??\c:\Program Files\whxzt\fmbbf.dll
Size 168KB
SHA256 d560eae39c1da31cbaaee4955445d67ba8e294c0b5c7a1bf7331510287e0eaee
MD5 ed1d1c4b22bac2d736950fe3a9ab39b7
SHA1 85e137921eed8fa9f39fa9579a29734f5034fa32
SHA512 2c0969b0da10c0d2239d40231890a41e923b93ac0da95f7f161d1a60678c11ad91033e7ffc02545831b2f589e120e8bcb9cb0063351aeb96e59ada9bb716635c
SSDEEP 3072:S25S8qsPfVoCxEI5GRycgzQkf2+JKC8L1MwwYsg89R5gZMd:SJ8T1xE3ocg9f2nfLnwYsxf2Z8
TLSH
T15DF312D3EFA649E0C4361BB06C53C10FB8620CA498725B5543D9FEEA3DA668E453D3A1
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/3180-11-0x0000000010000000-0x000000001006D000-memory.dmp

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memory/3180-10-0x0000000010000000-0x000000001006D000-memory.dmp

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memory/3180-14-0x0000000010000000-0x000000001006D000-memory.dmp

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memory/4120-7-0x0000000000400000-0x0000000000468000-memory.dmp

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memory/4200-0-0x0000000000400000-0x0000000000468000-memory.dmp

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memory/4200-2-0x0000000000400000-0x0000000000468000-memory.dmp

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