farfli | 9063ffa70e03f6fe7819d1371ea64b2590211a62a6ae84240e9c9015a5e3fd65

Analysis

max time kernel
150s
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
10/07/2026, 00:43

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General

Target
2026-07-10_57d27caf1854a62840bfa9aaed3f6b98_coinminer_elex_wannacry.exe
Size 235KB
Sample260710-a264bscw8w
SHA256 9063ffa70e03f6fe7819d1371ea64b2590211a62a6ae84240e9c9015a5e3fd65
MD5 57d27caf1854a62840bfa9aaed3f6b98
SHA1 468d909bb536ffb82f0898b0d8d26dcb092ecc98
SHA512 6ffdd3d361694b5719694b86495e6f735ed8def7698b2958a4ee01395c21345a286ee8dc1751e8eee7c98df9e7843e13e242f6cb954a201db2e6168d8d36649e
SSDEEP 6144:eMgmYA/npA6SUqfjKfr4QdsICWkZ3h1SLCDFqnetKSoc:tgmYA/nsYf8QdsINkZ6CQetF
TLSH
T1EC34F18136A5CD77F0621B7E4D7B163A8537BE691B00B09BD3C4AD4FB4319E46E2E209
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

backdoor bootkit discovery 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/3624-11-0x0000000010000000-0x000000001006D000-memory.dmp	family_farfli
behavioral2/memory/3624-14-0x0000000010000000-0x000000001006D000-memory.dmp	family_farfli

Detects executables containing base64 encoded User Agent 2 IoCs

resource	yara_rule
behavioral2/memory/3624-11-0x0000000010000000-0x000000001006D000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/3624-14-0x0000000010000000-0x000000001006D000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent

UPX dump on OEP (original entry point) 4 IoCs

resource	yara_rule
behavioral2/memory/3320-0-0x0000000000400000-0x0000000000468000-memory.dmp	UPX
behavioral2/memory/3320-2-0x0000000000400000-0x0000000000468000-memory.dmp	UPX
behavioral2/files/0x000600000001b860-3.dat	UPX
behavioral2/memory/3584-7-0x0000000000400000-0x0000000000468000-memory.dmp	UPX

Deletes itself 1 IoCs

pid	Process
3584	smebr.exe

Executes dropped EXE 2 IoCs

pid	Process
3584	smebr.exe
3624	phw.exe

Loads dropped DLL 1 IoCs

pid	Process
3624	phw.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-1-5-21-3611646547-550105268-947503007-1000\Software\Microsoft\Windows\CurrentVersion\Run\it = "c:\\Program Files\\rqtdwz\\phw.exe \"c:\\Program Files\\rqtdwz\\phwkb.dll\",Interface"	phw.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)	\??\n:	phw.exe
File opened (read-only)	\??\r:	phw.exe
File opened (read-only)	\??\s:	phw.exe
File opened (read-only)	\??\z:	phw.exe
File opened (read-only)	\??\i:	phw.exe
File opened (read-only)	\??\j:	phw.exe
File opened (read-only)	\??\k:	phw.exe
File opened (read-only)	\??\o:	phw.exe
File opened (read-only)	\??\t:	phw.exe
File opened (read-only)	\??\u:	phw.exe
File opened (read-only)	\??\v:	phw.exe
File opened (read-only)	\??\p:	phw.exe
File opened (read-only)	\??\y:	phw.exe
File opened (read-only)	\??\d:	phw.exe
File opened (read-only)	\??\g:	phw.exe
File opened (read-only)	\??\h:	phw.exe
File opened (read-only)	\??\m:	phw.exe
File opened (read-only)	\??\q:	phw.exe
File opened (read-only)	\??\w:	phw.exe
File opened (read-only)	\??\x:	phw.exe
File opened (read-only)	\??\a:	phw.exe
File opened (read-only)	\??\b:	phw.exe
File opened (read-only)	\??\l:	phw.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	phw.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	\??\c:\Program Files\rqtdwz\phw.exe	smebr.exe
File opened for modification	\??\c:\Program Files\rqtdwz	smebr.exe
File created	\??\c:\Program Files\rqtdwz\phwkb.dll	smebr.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	2026-07-10_57d27caf1854a62840bfa9aaed3f6b98_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	smebr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	phw.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
3180	cmd.exe
3204	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	phw.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	phw.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
3204	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3624	phw.exe
3624	phw.exe
3624	phw.exe
3624	phw.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3624	phw.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3320	2026-07-10_57d27caf1854a62840bfa9aaed3f6b98_coinminer_elex_wannacry.exe
3584	smebr.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3320 wrote to memory of 3180	3320	2026-07-10_57d27caf1854a62840bfa9aaed3f6b98_coinminer_elex_wannacry.exe	86
PID 3180 wrote to memory of 3204	3180	cmd.exe	88
PID 3180 wrote to memory of 3584	3180	cmd.exe	89
PID 3584 wrote to memory of 3624	3584	smebr.exe	90

C:\Users\Admin\AppData\Local\Temp\2026-07-10_57d27caf1854a62840bfa9aaed3f6b98_coinminer_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-10_57d27caf1854a62840bfa9aaed3f6b98_coinminer_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3320
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\smebr.exe "C:\Users\Admin\AppData\Local\Temp\2026-07-10_57d27caf1854a62840bfa9aaed3f6b98_coinminer_elex_wannacry.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:3180
- - 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:3204
- - C:\Users\Admin\AppData\Local\Temp\smebr.exe
    C:\Users\Admin\AppData\Local\Temp\\smebr.exe "C:\Users\Admin\AppData\Local\Temp\2026-07-10_57d27caf1854a62840bfa9aaed3f6b98_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:3584
  - - \??\c:\Program Files\rqtdwz\phw.exe
      "c:\Program Files\rqtdwz\phw.exe" "c:\Program Files\rqtdwz\phwkb.dll",Interface C:\Users\Admin\AppData\Local\Temp\smebr.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:3624

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

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

phw.exe

Path C:\Program Files\rqtdwz\phw.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

smebr.exe

Path C:\Users\Admin\AppData\Local\Temp\smebr.exe
Size 235KB
SHA256 c371af6f306c9606d59ae5e1edd5341dc1dce6c076a315b4c6eaf7485c6841aa
MD5 bd2b26cc271d910fabf706eed1029050
SHA1 70826d19608045775b9dda1a2684bb176b1e68db
SHA512 6174f2a31cd7e443e14a90cbe1a4e211ed57de89951895be5aa8b3159dc7b33419d171caadbe22f10421b42d6713cb548b5df87edda219fb15170f04334bfc36
SSDEEP 6144:eMgmYA/npA6SUqfjKfr4QdsICWkZ3h1SLCDFqnetKSoc2:tgmYA/nsYf8QdsINkZ6CQetFY
TLSH
T19E34F18136A5CD77F0621B7E4D7B163A8537BE691B00B09BD3C4AD4FB4319E46E2E209
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

phwkb.dll

Path \??\c:\Program Files\rqtdwz\phwkb.dll
Size 168KB
SHA256 89c1cd0f82f31aeb6faf0a1b9c863112015bc8252ed21c7b773f11010eb3eab1
MD5 54415ed07cc4c468b9cc27a750f88638
SHA1 046720cde5ea6ed02cda7f8f5e20efa126fa0a8d
SHA512 9d8754c069fb4a17076b9fd6a244db898f3f21ccc6a300a77f2e635076a3a1b6bfd130aa1bc689424cfb7799051de141fab48114e105370aee8dd37040606694
SSDEEP 3072:S25S8qsPfVoCxEI5GRycgzQkf2+JKC8L1MwwYsg89R5gZMX:SJ8T1xE3ocg9f2nfLnwYsxf2Zs
TLSH
T1C9F312D3EFA649E0C0361BB07C53C10FB8620DA498715B5543D9BEEA3DA668E493D3A1
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/3320-0-0x0000000000400000-0x0000000000468000-memory.dmp

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memory/3320-2-0x0000000000400000-0x0000000000468000-memory.dmp

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memory/3584-7-0x0000000000400000-0x0000000000468000-memory.dmp

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memory/3624-11-0x0000000010000000-0x000000001006D000-memory.dmp

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memory/3624-10-0x0000000010000000-0x000000001006D000-memory.dmp

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memory/3624-14-0x0000000010000000-0x000000001006D000-memory.dmp

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