farfli | b26967ce01c9760d76ac724127bae490e2d1c0460b8e43bef824419c2c34df3d

General

Target
2026-08-23_95cb17615c40923bffddbed12551fe01_coinminer_elex_wannacry.exe
Size 231KB
Sample260825-29a5eazfkg
SHA256 b26967ce01c9760d76ac724127bae490e2d1c0460b8e43bef824419c2c34df3d
MD5 95cb17615c40923bffddbed12551fe01
SHA1 bc71e1f6e1e5813bc9b162904147c5e5cd831442
SHA512 464892d46b258734ded7b92f8314a25465d6ea50454aaecb49367dab2dce03b481962cc0b327a09a5e5ad442b90c1d7b075d9bfb81c0a27bd7222482e42e0ba9
SSDEEP 6144:yOFgmYA/npA6SUqfjKfr4QdsICWkZ3h1SLCDFqnetKSoV:zgmYA/nsYf8QdsINkZ6CQetFC
TLSH
T1E234F18136A9DD37F06217BE4C7B163B8536BE650B00B49BD3C4AD5FB4319E46E2E209
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

backdoor bootkit discovery execution farfli gh0strat persistence rat spyware stealer

Malware Config

Extracted

Family

gh0strat

C2

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/2728-12-0x0000000010000000-0x000000001006D000-memory.dmp	family_farfli
behavioral1/memory/2728-15-0x0000000010000000-0x000000001006D000-memory.dmp	family_farfli

Detects executables containing base64 encoded User Agent 2 IoCs

resource	yara_rule
behavioral1/memory/2728-12-0x0000000010000000-0x000000001006D000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral1/memory/2728-15-0x0000000010000000-0x000000001006D000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent

UPX dump on OEP (original entry point) 1 IoCs

resource	yara_rule
behavioral1/files/0x0010000000024345-2.dat	UPX

Deletes itself 1 IoCs

pid	Process
3016	hxbzv.exe

Executes dropped EXE 2 IoCs

pid	Process
3016	hxbzv.exe
2728	ghc.exe

Loads dropped DLL 1 IoCs

pid	Process
2728	ghc.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-1-5-21-204488895-2999877624-296153668-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\it = "c:\\Program Files\\iuikrmq\\ghc.exe \"c:\\Program Files\\iuikrmq\\ghcha.dll\",Interface"	ghc.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)	\??\a:	ghc.exe
File opened (read-only)	\??\b:	ghc.exe
File opened (read-only)	\??\i:	ghc.exe
File opened (read-only)	\??\m:	ghc.exe
File opened (read-only)	\??\t:	ghc.exe
File opened (read-only)	\??\u:	ghc.exe
File opened (read-only)	\??\x:	ghc.exe
File opened (read-only)	\??\q:	ghc.exe
File opened (read-only)	\??\e:	ghc.exe
File opened (read-only)	\??\h:	ghc.exe
File opened (read-only)	\??\p:	ghc.exe
File opened (read-only)	\??\s:	ghc.exe
File opened (read-only)	\??\v:	ghc.exe
File opened (read-only)	\??\w:	ghc.exe
File opened (read-only)	\??\l:	ghc.exe
File opened (read-only)	\??\r:	ghc.exe
File opened (read-only)	\??\g:	ghc.exe
File opened (read-only)	\??\j:	ghc.exe
File opened (read-only)	\??\k:	ghc.exe
File opened (read-only)	\??\n:	ghc.exe
File opened (read-only)	\??\o:	ghc.exe
File opened (read-only)	\??\y:	ghc.exe
File opened (read-only)	\??\z:	ghc.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	ghc.exe

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File opened for modification	\??\c:\Program Files\iuikrmq	hxbzv.exe
File created	\??\c:\Program Files\iuikrmq\ghcha.dll	hxbzv.exe
File created	\??\c:\Program Files\iuikrmq\ghc.exe	hxbzv.exe
File opened for modification	\??\c:\Program Files\iuikrmq\ghc.exe	hxbzv.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
648	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	2026-08-23_95cb17615c40923bffddbed12551fe01_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	hxbzv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ghc.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
648	cmd.exe
3904	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	ghc.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	ghc.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
3904	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2728	ghc.exe
2728	ghc.exe
2728	ghc.exe
2728	ghc.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2728	ghc.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2396	2026-08-23_95cb17615c40923bffddbed12551fe01_coinminer_elex_wannacry.exe
3016	hxbzv.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2396 wrote to memory of 648	2396	2026-08-23_95cb17615c40923bffddbed12551fe01_coinminer_elex_wannacry.exe	85
PID 648 wrote to memory of 3904	648	cmd.exe	87
PID 648 wrote to memory of 3016	648	cmd.exe	88
PID 3016 wrote to memory of 2728	3016	hxbzv.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-23_95cb17615c40923bffddbed12551fe01_coinminer_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-23_95cb17615c40923bffddbed12551fe01_coinminer_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2396
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\hxbzv.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-23_95cb17615c40923bffddbed12551fe01_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:648
- - 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:3904
- - C:\Users\Admin\AppData\Local\Temp\hxbzv.exe
    C:\Users\Admin\AppData\Local\Temp\\hxbzv.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-23_95cb17615c40923bffddbed12551fe01_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:3016
  - - \??\c:\Program Files\iuikrmq\ghc.exe
      "c:\Program Files\iuikrmq\ghc.exe" "c:\Program Files\iuikrmq\ghcha.dll",Interface C:\Users\Admin\AppData\Local\Temp\hxbzv.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:2728

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

Windows Command Shell

1

T1059.003

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Peripheral Device Discovery

Query Registry

Remote System Discovery

1

T1018

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

ghc.exe

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

Submit Download

hxbzv.exe

Path C:\Users\Admin\AppData\Local\Temp\hxbzv.exe
Size 231KB
SHA256 311adf80a8b5b4a1bf96cd864f3fd6ccb9ed7520a13c6589f8169020867e8708
MD5 38108bfed0103a33044464c352d99b05
SHA1 4a22466542b064a4cc4661f3c8cc0adef87fa68f
SHA512 40c2d19ec47831020a72da3ca979113150b28ff329b3072d675adac473c61e9f7409576349d72bebf7df004aed23b9d28b1c32e97b45bde99fc995eb40bf8299
SSDEEP 6144:yOFgmYA/npA6SUqfjKfr4QdsICWkZ3h1SLCDFqnetKSoR:zgmYA/nsYf8QdsINkZ6CQetFw
TLSH
T1B034F18136A9DD77F06217BE4D7B163B8536BE650B00B49BD3C4AD4FB4319E06E2E209
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

ghcha.dll

Path \??\c:\Program Files\iuikrmq\ghcha.dll
Size 168KB
SHA256 6a907422839a666fc50ce48fd9058f336deb4a4cd910ead29181adb572c80f08
MD5 9aec175e1a0c80776253ce29d86e3e8a
SHA1 ef260b6f62707fc9f3b7371660fdaf0af589ad8b
SHA512 0006d66aca7d3e7220d431e9f1fb3f2069b5641db60fd8663aca6228a2a291f8c901d224cc699c57981a357359318c3867cfe35906e8a732f7271af4f115bebb
SSDEEP 3072:S25S8qsPfVoCxEI5GRycgzQkf2+JKC8L1MwwYsg89R5gZM3:SJ8T1xE3ocg9f2nfLnwYsxf2ZG
TLSH
T1C2F312D3EFA649E0C0361BB07C53C10FB8620C6498715B5553D9FEEA3DA668E493D3A1
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2728-11-0x0000000010000000-0x000000001006D000-memory.dmp

Download

memory/2728-12-0x0000000010000000-0x000000001006D000-memory.dmp

Download

memory/2728-15-0x0000000010000000-0x000000001006D000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads