farfli | 7454bbc5c69c6e32657823ab3fe98ae7d4c5e7c6220d680fc0f022af8548c730

General

Target
2026-06-26_c1c0a580242043b70e6ac97d7c66336d_coinminer_elex_wannacry.exe
Size 233KB
Sample260629-pszefsdw2t
SHA256 7454bbc5c69c6e32657823ab3fe98ae7d4c5e7c6220d680fc0f022af8548c730
MD5 c1c0a580242043b70e6ac97d7c66336d
SHA1 14974b1e1269dd0c92750e538131908bc47c796e
SHA512 2eb47f419dfa4542710ee5e8fb3f3ee39d0b2efe78430c1a2932e86976cac3f0748073def3be27dde6e18c714916c5025c8e8d776a83c6ca74167743bcb7ff1b
SSDEEP 6144:yOFgmYA/npA6SUqfjKfr4QdsICWkZ3h1SLCDFqnetKSoo:zgmYA/nsYf8QdsINkZ6CQetF1
TLSH
T12334F18136A6CD77F062177D4D7B163A8137BE690B00B49BD3C4AD4FB4359E4AE2E209
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

backdoor bootkit discovery 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
behavioral2/memory/5804-8-0x0000000010000000-0x000000001006D000-memory.dmp	family_farfli
behavioral2/memory/5804-11-0x0000000010000000-0x000000001006D000-memory.dmp	family_farfli

Detects executables containing base64 encoded User Agent 2 IoCs

resource	yara_rule
behavioral2/memory/5804-8-0x0000000010000000-0x000000001006D000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/5804-11-0x0000000010000000-0x000000001006D000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent

UPX dump on OEP (original entry point) 1 IoCs

resource	yara_rule
behavioral2/files/0x000e000000006903-1.dat	UPX

Deletes itself 1 IoCs

pid	Process
1864	wckjd.exe

Executes dropped EXE 2 IoCs

pid	Process
1864	wckjd.exe
5804	iqznxuuwp.exe

Loads dropped DLL 1 IoCs

pid	Process
5804	iqznxuuwp.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-1-5-21-557124681-2609731375-3674401788-1000\Software\Microsoft\Windows\CurrentVersion\Run\it = "c:\\Program Files\\qrakt\\iqznxuuwp.exe \"c:\\Program Files\\qrakt\\iqznxuuwp.dll\",Interface"	iqznxuuwp.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)	\??\d:	iqznxuuwp.exe
File opened (read-only)	\??\i:	iqznxuuwp.exe
File opened (read-only)	\??\m:	iqznxuuwp.exe
File opened (read-only)	\??\n:	iqznxuuwp.exe
File opened (read-only)	\??\s:	iqznxuuwp.exe
File opened (read-only)	\??\j:	iqznxuuwp.exe
File opened (read-only)	\??\p:	iqznxuuwp.exe
File opened (read-only)	\??\q:	iqznxuuwp.exe
File opened (read-only)	\??\v:	iqznxuuwp.exe
File opened (read-only)	\??\h:	iqznxuuwp.exe
File opened (read-only)	\??\l:	iqznxuuwp.exe
File opened (read-only)	\??\u:	iqznxuuwp.exe
File opened (read-only)	\??\x:	iqznxuuwp.exe
File opened (read-only)	\??\z:	iqznxuuwp.exe
File opened (read-only)	\??\a:	iqznxuuwp.exe
File opened (read-only)	\??\g:	iqznxuuwp.exe
File opened (read-only)	\??\k:	iqznxuuwp.exe
File opened (read-only)	\??\o:	iqznxuuwp.exe
File opened (read-only)	\??\r:	iqznxuuwp.exe
File opened (read-only)	\??\t:	iqznxuuwp.exe
File opened (read-only)	\??\w:	iqznxuuwp.exe
File opened (read-only)	\??\y:	iqznxuuwp.exe
File opened (read-only)	\??\b:	iqznxuuwp.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	iqznxuuwp.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	\??\c:\Program Files\qrakt	wckjd.exe
File created	\??\c:\Program Files\qrakt\iqznxuuwp.dll	wckjd.exe
File created	\??\c:\Program Files\qrakt\iqznxuuwp.exe	wckjd.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	wckjd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	iqznxuuwp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-06-26_c1c0a580242043b70e6ac97d7c66336d_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

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
3220	cmd.exe
1440	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	iqznxuuwp.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	iqznxuuwp.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1440	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
5804	iqznxuuwp.exe
5804	iqznxuuwp.exe
5804	iqznxuuwp.exe
5804	iqznxuuwp.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5804	iqznxuuwp.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
748	2026-06-26_c1c0a580242043b70e6ac97d7c66336d_coinminer_elex_wannacry.exe
1864	wckjd.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 748 wrote to memory of 3220	748	2026-06-26_c1c0a580242043b70e6ac97d7c66336d_coinminer_elex_wannacry.exe	87
PID 3220 wrote to memory of 1440	3220	cmd.exe	89
PID 3220 wrote to memory of 1864	3220	cmd.exe	90
PID 1864 wrote to memory of 5804	1864	wckjd.exe	91

C:\Users\Admin\AppData\Local\Temp\2026-06-26_c1c0a580242043b70e6ac97d7c66336d_coinminer_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-06-26_c1c0a580242043b70e6ac97d7c66336d_coinminer_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:748
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\wckjd.exe "C:\Users\Admin\AppData\Local\Temp\2026-06-26_c1c0a580242043b70e6ac97d7c66336d_coinminer_elex_wannacry.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:3220
- - 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:1440
- - C:\Users\Admin\AppData\Local\Temp\wckjd.exe
    C:\Users\Admin\AppData\Local\Temp\\wckjd.exe "C:\Users\Admin\AppData\Local\Temp\2026-06-26_c1c0a580242043b70e6ac97d7c66336d_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:1864
  - - \??\c:\Program Files\qrakt\iqznxuuwp.exe
      "c:\Program Files\qrakt\iqznxuuwp.exe" "c:\Program Files\qrakt\iqznxuuwp.dll",Interface C:\Users\Admin\AppData\Local\Temp\wckjd.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:5804

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k GPSvcGroup
1⤵
PID:788

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

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

Replay Monitor

Loading Replay Monitor...

Downloads

iqznxuuwp.exe

Path C:\Program Files\qrakt\iqznxuuwp.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

wckjd.exe

Path C:\Users\Admin\AppData\Local\Temp\wckjd.exe
Size 233KB
SHA256 d2b86a6d50fb17423be98304adec08f27850ec65a0f8cb5a9065425b363ae66d
MD5 5bcacd66725867b6dd44917281adc99e
SHA1 52a920b0af7560018c5069b96a89045676dddfa4
SHA512 acf0a6e0dbfb8d6874f5f2f6a5a04a193979ab221fb7b97687a7d7912f257365c20d5a75a569dc06ba6739ee2090c9df3b3ccd49bdea6eeac35087735231227e
SSDEEP 6144:yOFgmYA/npA6SUqfjKfr4QdsICWkZ3h1SLCDFqnetKSoC:zgmYA/nsYf8QdsINkZ6CQetFt
TLSH
T14834F18136A5CD77F0621B7D4D7B163A8137BE591B00B49BD3C4AD4FB4319E4AE2E209
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

iqznxuuwp.dll

Path \??\c:\Program Files\qrakt\iqznxuuwp.dll
Size 168KB
SHA256 a0d96a3560ae1f4aec9029b0ff7182bbf2e2a7e2400fa0c111c6fd8c8182d3ba
MD5 c17efff2d4c68a025786263517e9a2b4
SHA1 d8fb220d3e8e223716005c0c34765614d92ee6e0
SHA512 f5c9e60cf3e2c153153af9127d557d1c5c905f63dccf63ad062eacbd5b2af775635bf9806fd6f64f503629020dec3658c9038c6d1d252bce158f6eb14571117f
SSDEEP 3072:S25S8qsPfVoCxEI5GRycgzQkf2+JKC8L1MwwYsg89R5gZM0:SJ8T1xE3ocg9f2nfLnwYsxf2Zr
TLSH
T18DF312D3EFB649E0C0361BB07C53C10FB8620C6498715B5543D9BEEA3DA668E493D3A1
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/5804-7-0x0000000010000000-0x000000001006D000-memory.dmp

Download

memory/5804-8-0x0000000010000000-0x000000001006D000-memory.dmp

Download

memory/5804-11-0x0000000010000000-0x000000001006D000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

Replay Monitor

Loading Replay Monitor...

Downloads