farfli | 119613fb0a63f7124f4255e9b6548f6b5c0ba1c66871d50285483f571e0b963a

Analysis

max time kernel
148s
max time network
136s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
20/07/2026, 01:13

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General

Target
2026-07-19_77f71965b78d97fd813abcb22dd45166_coinminer_elex_wannacry.exe
Size 235KB
Sample260720-bljtjadx41
SHA256 119613fb0a63f7124f4255e9b6548f6b5c0ba1c66871d50285483f571e0b963a
MD5 77f71965b78d97fd813abcb22dd45166
SHA1 1ce108e024fc0681a55a52864fcd2e495541f6a3
SHA512 f91e74f8cb0526d26509ccc91655c7b0881767adbf5a4b2215b1c8e1e300ffdd30aa4b2bfc3af25b57895b0ca7ce527b706181922fc45ca5a3d3e3337967aac6
SSDEEP 6144:eMgmYA/npA6SUqfjKfr4QdsICWkZ3h1SLCDFqnetKSoc9:tgmYA/nsYf8QdsINkZ6CQetFX
TLSH
T14C34F18136A5CD77F0621B7E4D7B163A8537BE691B00B09BD3C4AD4FB4319E46E2E209
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/5624-12-0x0000000010000000-0x000000001006D000-memory.dmp	family_farfli
behavioral2/memory/5624-14-0x0000000010000000-0x000000001006D000-memory.dmp	family_farfli

Detects executables containing base64 encoded User Agent 2 IoCs

resource	yara_rule
behavioral2/memory/5624-12-0x0000000010000000-0x000000001006D000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/5624-14-0x0000000010000000-0x000000001006D000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent

UPX dump on OEP (original entry point) 4 IoCs

resource	yara_rule
behavioral2/memory/3720-0-0x0000000000400000-0x0000000000468000-memory.dmp	UPX
behavioral2/memory/3720-2-0x0000000000400000-0x0000000000468000-memory.dmp	UPX
behavioral2/files/0x000600000000697a-3.dat	UPX
behavioral2/memory/1812-7-0x0000000000400000-0x0000000000468000-memory.dmp	UPX

Deletes itself 1 IoCs

pid	Process
1812	fxqrr.exe

Executes dropped EXE 2 IoCs

pid	Process
1812	fxqrr.exe
5624	gcpdptah.exe

Loads dropped DLL 1 IoCs

pid	Process
5624	gcpdptah.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-1-5-21-189034102-168398478-1159367937-1000\Software\Microsoft\Windows\CurrentVersion\Run\it = "c:\\Program Files\\qnbnz\\gcpdptah.exe \"c:\\Program Files\\qnbnz\\gcpdptah.dll\",Interface"	gcpdptah.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)	\??\h:	gcpdptah.exe
File opened (read-only)	\??\l:	gcpdptah.exe
File opened (read-only)	\??\p:	gcpdptah.exe
File opened (read-only)	\??\u:	gcpdptah.exe
File opened (read-only)	\??\z:	gcpdptah.exe
File opened (read-only)	\??\g:	gcpdptah.exe
File opened (read-only)	\??\n:	gcpdptah.exe
File opened (read-only)	\??\v:	gcpdptah.exe
File opened (read-only)	\??\y:	gcpdptah.exe
File opened (read-only)	\??\q:	gcpdptah.exe
File opened (read-only)	\??\d:	gcpdptah.exe
File opened (read-only)	\??\i:	gcpdptah.exe
File opened (read-only)	\??\j:	gcpdptah.exe
File opened (read-only)	\??\r:	gcpdptah.exe
File opened (read-only)	\??\x:	gcpdptah.exe
File opened (read-only)	\??\k:	gcpdptah.exe
File opened (read-only)	\??\m:	gcpdptah.exe
File opened (read-only)	\??\o:	gcpdptah.exe
File opened (read-only)	\??\s:	gcpdptah.exe
File opened (read-only)	\??\t:	gcpdptah.exe
File opened (read-only)	\??\w:	gcpdptah.exe
File opened (read-only)	\??\a:	gcpdptah.exe
File opened (read-only)	\??\b:	gcpdptah.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	gcpdptah.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	\??\c:\Program Files\qnbnz\gcpdptah.exe	fxqrr.exe
File opened for modification	\??\c:\Program Files\qnbnz	fxqrr.exe
File created	\??\c:\Program Files\qnbnz\gcpdptah.dll	fxqrr.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
4232	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	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fxqrr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	gcpdptah.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-07-19_77f71965b78d97fd813abcb22dd45166_coinminer_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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
4232	cmd.exe
1680	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	gcpdptah.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	gcpdptah.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1680	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
5624	gcpdptah.exe
5624	gcpdptah.exe
5624	gcpdptah.exe
5624	gcpdptah.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5624	gcpdptah.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3720	2026-07-19_77f71965b78d97fd813abcb22dd45166_coinminer_elex_wannacry.exe
1812	fxqrr.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3720 wrote to memory of 4232	3720	2026-07-19_77f71965b78d97fd813abcb22dd45166_coinminer_elex_wannacry.exe	89
PID 4232 wrote to memory of 1680	4232	cmd.exe	91
PID 4232 wrote to memory of 1812	4232	cmd.exe	92
PID 1812 wrote to memory of 5624	1812	fxqrr.exe	93

C:\Users\Admin\AppData\Local\Temp\2026-07-19_77f71965b78d97fd813abcb22dd45166_coinminer_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-19_77f71965b78d97fd813abcb22dd45166_coinminer_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3720
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\fxqrr.exe "C:\Users\Admin\AppData\Local\Temp\2026-07-19_77f71965b78d97fd813abcb22dd45166_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:4232
- - 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:1680
- - C:\Users\Admin\AppData\Local\Temp\fxqrr.exe
    C:\Users\Admin\AppData\Local\Temp\\fxqrr.exe "C:\Users\Admin\AppData\Local\Temp\2026-07-19_77f71965b78d97fd813abcb22dd45166_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:1812
  - - \??\c:\Program Files\qnbnz\gcpdptah.exe
      "c:\Program Files\qnbnz\gcpdptah.exe" "c:\Program Files\qnbnz\gcpdptah.dll",Interface C:\Users\Admin\AppData\Local\Temp\fxqrr.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:5624

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

gcpdptah.exe

Path C:\Program Files\qnbnz\gcpdptah.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

fxqrr.exe

Path C:\Users\Admin\AppData\Local\Temp\fxqrr.exe
Size 235KB
SHA256 46d11094c3bd99a82163f8a5f6984b34ae32094adc6e5161c842f4d093a7665a
MD5 c10e1b7e707f0ec35f6b5e3bb43474c8
SHA1 9714502746a3ac4b2290f90289b149dca1787de7
SHA512 09af3f9ed8f14434640431e99ad58be5e3e814f7480f415a30106a5b66510656be4f454420eb13272f752bc1399aa08dc8aec3244384bd96f861a1f1d3af67c4
SSDEEP 6144:eMgmYA/npA6SUqfjKfr4QdsICWkZ3h1SLCDFqnetKSocQ:tgmYA/nsYf8QdsINkZ6CQetFS
TLSH
T1FF34F18136A5CD77F0621B7E4D7B163A8536BE691B00B09BD3C4AD4FB4319E46E2E209
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

gcpdptah.dll

Path \??\c:\Program Files\qnbnz\gcpdptah.dll
Size 168KB
SHA256 578ce090d2b7d97636e2651bebf90ac3a5e1914008043cd9b138f772a32089e1
MD5 264aaa600c18ccc60a9720de384c6ee7
SHA1 9f1f45284deb1e2f5eb4c470bdc71b35f4bb6627
SHA512 9695105a98da145dcff651e11b039136443166378448d68847f793f986e854f4be7c7840c0edd466f19511eac1d98672cbcdee8b2b18bf4dadb27362d7f20ab2
SSDEEP 3072:S25S8qsPfVoCxEI5GRycgzQkf2+JKC8L1MwwYsg89R5gZMk:SJ8T1xE3ocg9f2nfLnwYsxf2ZD
TLSH
T156F312D3EFB649E0C0361BB07C53C10FB8620C6498715B5642D9BEEA3DA668E453D3A1
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1812-7-0x0000000000400000-0x0000000000468000-memory.dmp

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memory/3720-0-0x0000000000400000-0x0000000000468000-memory.dmp

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memory/3720-2-0x0000000000400000-0x0000000000468000-memory.dmp

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memory/5624-10-0x0000000010000000-0x000000001006D000-memory.dmp

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memory/5624-12-0x0000000010000000-0x000000001006D000-memory.dmp

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memory/5624-14-0x0000000010000000-0x000000001006D000-memory.dmp

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