farfli | a02b9905c9d275f781cedbb97a768038564bc859906b1f39377190e65042a8e8

Analysis

max time kernel
148s
max time network
137s
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, 09:57

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General

Target
2026-08-07_aa32485e78ef0cfdf775cbd254b17b83_coinminer_elex_wannacry.exe
Size 234KB
Sample260807-ly7fgavydy
SHA256 a02b9905c9d275f781cedbb97a768038564bc859906b1f39377190e65042a8e8
MD5 aa32485e78ef0cfdf775cbd254b17b83
SHA1 1b25d247bdd5079e8ffdedad1c597909d42f48c3
SHA512 c5fde610465bb7854f420ad5b18a9f9988856881ef98cb5abd6e2abcc86a1d28d44d13fcd35fca303a8cb3fab1d5d704ae7dd9d5d92221a7b5bbcd92008666d2
SSDEEP 6144:eMgmYA/npA6SUqfjKfr4QdsICWkZ3h1SLCDFqnetKSoc:tgmYA/nsYf8QdsINkZ6CQetF
TLSH
T12234F18136A5CD77F0621B7E4D7B163B8536BE691B00709BD3C4AD4FB431AE46E2E209
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/2816-11-0x0000000010000000-0x000000001006D000-memory.dmp	family_farfli
behavioral2/memory/2816-14-0x0000000010000000-0x000000001006D000-memory.dmp	family_farfli

Detects executables containing base64 encoded User Agent 2 IoCs

resource	yara_rule
behavioral2/memory/2816-11-0x0000000010000000-0x000000001006D000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/2816-14-0x0000000010000000-0x000000001006D000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent

UPX dump on OEP (original entry point) 4 IoCs

resource	yara_rule
behavioral2/memory/4364-0-0x0000000000400000-0x0000000000468000-memory.dmp	UPX
behavioral2/memory/4364-2-0x0000000000400000-0x0000000000468000-memory.dmp	UPX
behavioral2/files/0x000b000000011390-3.dat	UPX
behavioral2/memory/3176-7-0x0000000000400000-0x0000000000468000-memory.dmp	UPX

Deletes itself 1 IoCs

pid	Process
3176	qhpqdk.exe

Executes dropped EXE 2 IoCs

pid	Process
3176	qhpqdk.exe
2816	gtycqyv.exe

Loads dropped DLL 1 IoCs

pid	Process
2816	gtycqyv.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-1-5-21-1738198120-2966725515-3980530802-1000\Software\Microsoft\Windows\CurrentVersion\Run\it = "c:\\Program Files\\kxzsh\\gtycqyv.exe \"c:\\Program Files\\kxzsh\\gtycqyv.dll\",Interface"	gtycqyv.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)	\??\z:	gtycqyv.exe
File opened (read-only)	\??\q:	gtycqyv.exe
File opened (read-only)	\??\b:	gtycqyv.exe
File opened (read-only)	\??\g:	gtycqyv.exe
File opened (read-only)	\??\i:	gtycqyv.exe
File opened (read-only)	\??\m:	gtycqyv.exe
File opened (read-only)	\??\n:	gtycqyv.exe
File opened (read-only)	\??\v:	gtycqyv.exe
File opened (read-only)	\??\d:	gtycqyv.exe
File opened (read-only)	\??\l:	gtycqyv.exe
File opened (read-only)	\??\p:	gtycqyv.exe
File opened (read-only)	\??\x:	gtycqyv.exe
File opened (read-only)	\??\a:	gtycqyv.exe
File opened (read-only)	\??\j:	gtycqyv.exe
File opened (read-only)	\??\o:	gtycqyv.exe
File opened (read-only)	\??\t:	gtycqyv.exe
File opened (read-only)	\??\h:	gtycqyv.exe
File opened (read-only)	\??\k:	gtycqyv.exe
File opened (read-only)	\??\r:	gtycqyv.exe
File opened (read-only)	\??\s:	gtycqyv.exe
File opened (read-only)	\??\u:	gtycqyv.exe
File opened (read-only)	\??\w:	gtycqyv.exe
File opened (read-only)	\??\y:	gtycqyv.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	gtycqyv.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	\??\c:\Program Files\kxzsh\gtycqyv.dll	qhpqdk.exe
File created	\??\c:\Program Files\kxzsh\gtycqyv.exe	qhpqdk.exe
File opened for modification	\??\c:\Program Files\kxzsh	qhpqdk.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
4724	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_aa32485e78ef0cfdf775cbd254b17b83_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	qhpqdk.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	gtycqyv.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
4724	cmd.exe
3416	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	gtycqyv.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	gtycqyv.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
3416	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2816	gtycqyv.exe
2816	gtycqyv.exe
2816	gtycqyv.exe
2816	gtycqyv.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2816	gtycqyv.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4364	2026-08-07_aa32485e78ef0cfdf775cbd254b17b83_coinminer_elex_wannacry.exe
3176	qhpqdk.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4364 wrote to memory of 4724	4364	2026-08-07_aa32485e78ef0cfdf775cbd254b17b83_coinminer_elex_wannacry.exe	89
PID 4724 wrote to memory of 3416	4724	cmd.exe	91
PID 4724 wrote to memory of 3176	4724	cmd.exe	92
PID 3176 wrote to memory of 2816	3176	qhpqdk.exe	93

C:\Users\Admin\AppData\Local\Temp\2026-08-07_aa32485e78ef0cfdf775cbd254b17b83_coinminer_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-07_aa32485e78ef0cfdf775cbd254b17b83_coinminer_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4364
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\qhpqdk.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-07_aa32485e78ef0cfdf775cbd254b17b83_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:4724
- - 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:3416
- - C:\Users\Admin\AppData\Local\Temp\qhpqdk.exe
    C:\Users\Admin\AppData\Local\Temp\\qhpqdk.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-07_aa32485e78ef0cfdf775cbd254b17b83_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:3176
  - - \??\c:\Program Files\kxzsh\gtycqyv.exe
      "c:\Program Files\kxzsh\gtycqyv.exe" "c:\Program Files\kxzsh\gtycqyv.dll",Interface C:\Users\Admin\AppData\Local\Temp\qhpqdk.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:2816

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

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Downloads

gtycqyv.exe

Path C:\Program Files\kxzsh\gtycqyv.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

qhpqdk.exe

Path C:\Users\Admin\AppData\Local\Temp\qhpqdk.exe
Size 234KB
SHA256 6106f456f705a67985237d1d9da11f06afad966ab1b99268508b498cfc02bd23
MD5 0dc50aea5b963184a023acf44a6d1d81
SHA1 106d5ad9d05d705e5831a8c05612b7c9a5fbdc28
SHA512 a2871bdfcfbb73390da526be99523f3a562c4e7455a7bc657cfc3e93e0b1f6d18446dcabb15a1fa0b1510268ed4fc5552dd82b5e6d7bcd6cf3ee774424327bbc
SSDEEP 6144:eMgmYA/npA6SUqfjKfr4QdsICWkZ3h1SLCDFqnetKSocI:tgmYA/nsYf8QdsINkZ6CQetFO
TLSH
T1CE34F18136A5CD77F0221B7E4D7B163B8536BE691B00709BD3C4AD4FB431AE46E2E209
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

gtycqyv.dll

Path \??\c:\Program Files\kxzsh\gtycqyv.dll
Size 168KB
SHA256 99acb14bdcc43ce93f8946ccd061d7cad76283dadb64f6448c41704369502742
MD5 b1c16d54c09857f35f918ff69e3c34ed
SHA1 94691dd96b8e8dbea2e952d4a9df51afbd69a97f
SHA512 5aae8a5cccabb2b5eab716989ea1a531b91d385d7abe184216e45b204177bac230ff81c196e6a14b7f525ee73e57cad6e6c1cbfcd32c6ee306af7604248d535e
SSDEEP 3072:S25S8qsPfVoCxEI5GRycgzQkf2+JKC8L1MwwYsg89R5gZMG:SJ8T1xE3ocg9f2nfLnwYsxf2Zz
TLSH
T170F312D3EFA649E0C0361BB07C53C10FB8620C6498725B5553D9FEEA3DA668E493D3A1
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2816-11-0x0000000010000000-0x000000001006D000-memory.dmp

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memory/2816-10-0x0000000010000000-0x000000001006D000-memory.dmp

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memory/2816-14-0x0000000010000000-0x000000001006D000-memory.dmp

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memory/3176-7-0x0000000000400000-0x0000000000468000-memory.dmp

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memory/4364-0-0x0000000000400000-0x0000000000468000-memory.dmp

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memory/4364-2-0x0000000000400000-0x0000000000468000-memory.dmp

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