farfli | 05b5577547a0022011788fc9be1856cde8d8861eb1720913752d65eb7f3ddd74

General

Target
2026-07-10_dbaffe5752c2d518370e94cb7522e3dc_elex_wannacry.exe
Size 119KB
Sample260710-1qvt2abv2p
SHA256 05b5577547a0022011788fc9be1856cde8d8861eb1720913752d65eb7f3ddd74
MD5 dbaffe5752c2d518370e94cb7522e3dc
SHA1 a2b1278656d285546e307aeb5830d0d1034546a0
SHA512 6f39b6b446598f66f7229d9cbffce3024dbab1ba2abe070a109ce8c7238ed22ae81dbc5c0add4ece98060cf1edc77433cb2e524ef8d072b10359ae6b82ed6ae2
SSDEEP 1536:gWCfpn0RbXfmvElSdwS4ytneUDy9ZkM4A3FaJw/xfPWMywTv3:gWmpn0RbXNxeeJ9w7EPWMywL
TLSH
T104C3CF136BBE44F9E0210D7406BA1B3543B6B85A3B145777D384EE1EE872E84EC3D256
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

backdoor bootkit discovery farfli gh0strat persistence rat spyware stealer

Malware Config

Extracted

Family

gh0strat

C2

host123.zz.am:6658
http://23.104.160.115:8890/version.php
http://23.104.160.116:9963/

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 3 IoCs

resource	yara_rule
behavioral2/memory/2268-8-0x0000000010000000-0x0000000010045000-memory.dmp	family_farfli
behavioral2/memory/2268-7-0x0000000010000000-0x0000000010045000-memory.dmp	family_farfli
behavioral2/memory/2268-10-0x0000000010000000-0x0000000010045000-memory.dmp	family_farfli

Detects executables containing base64 encoded User Agent 3 IoCs

resource	yara_rule
behavioral2/memory/2268-8-0x0000000010000000-0x0000000010045000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/2268-7-0x0000000010000000-0x0000000010045000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/2268-10-0x0000000010000000-0x0000000010045000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent

Badlisted process makes network request 4 IoCs

Network request originating from process or tool commonly abused by malware.

flow	pid	Process
1	2268	rundll32.exe
4	2268	rundll32.exe
5	2268	rundll32.exe
6	2268	rundll32.exe

Executes dropped EXE 1 IoCs

pid	Process
3852	ibqny.exe

Loads dropped DLL 1 IoCs

pid	Process
2268	rundll32.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-1-5-21-552508041-2681165170-3229858294-1000\Software\Microsoft\Windows\CurrentVersion\Run\EvtMgr = "c:\\windows\\SysWOW64\\rundll32.exe \"c:\\gtqrjmvbg\\hjftx.dll\",AbortProc"	rundll32.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)	\??\k:	rundll32.exe
File opened (read-only)	\??\p:	rundll32.exe
File opened (read-only)	\??\q:	rundll32.exe
File opened (read-only)	\??\w:	rundll32.exe
File opened (read-only)	\??\a:	rundll32.exe
File opened (read-only)	\??\b:	rundll32.exe
File opened (read-only)	\??\h:	rundll32.exe
File opened (read-only)	\??\j:	rundll32.exe
File opened (read-only)	\??\n:	rundll32.exe
File opened (read-only)	\??\r:	rundll32.exe
File opened (read-only)	\??\t:	rundll32.exe
File opened (read-only)	\??\z:	rundll32.exe
File opened (read-only)	\??\u:	rundll32.exe
File opened (read-only)	\??\v:	rundll32.exe
File opened (read-only)	\??\x:	rundll32.exe
File opened (read-only)	\??\d:	rundll32.exe
File opened (read-only)	\??\g:	rundll32.exe
File opened (read-only)	\??\l:	rundll32.exe
File opened (read-only)	\??\m:	rundll32.exe
File opened (read-only)	\??\o:	rundll32.exe
File opened (read-only)	\??\s:	rundll32.exe
File opened (read-only)	\??\y:	rundll32.exe
File opened (read-only)	\??\i:	rundll32.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	rundll32.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ibqny.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-07-10_dbaffe5752c2d518370e94cb7522e3dc_elex_wannacry.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
4780	cmd.exe
4472	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	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	rundll32.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4472	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2268	rundll32.exe
2268	rundll32.exe
2268	rundll32.exe
2268	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2268	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3284	2026-07-10_dbaffe5752c2d518370e94cb7522e3dc_elex_wannacry.exe
3852	ibqny.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3284 wrote to memory of 4780	3284	2026-07-10_dbaffe5752c2d518370e94cb7522e3dc_elex_wannacry.exe	87
PID 4780 wrote to memory of 4472	4780	cmd.exe	89
PID 4780 wrote to memory of 3852	4780	cmd.exe	90
PID 3852 wrote to memory of 2268	3852	ibqny.exe	91

C:\Users\Admin\AppData\Local\Temp\2026-07-10_dbaffe5752c2d518370e94cb7522e3dc_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-10_dbaffe5752c2d518370e94cb7522e3dc_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3284
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&c:\ibqny.exe "C:\Users\Admin\AppData\Local\Temp\2026-07-10_dbaffe5752c2d518370e94cb7522e3dc_elex_wannacry.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:4780
- - 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:4472
- - \??\c:\ibqny.exe
    c:\ibqny.exe "C:\Users\Admin\AppData\Local\Temp\2026-07-10_dbaffe5752c2d518370e94cb7522e3dc_elex_wannacry.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:3852
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\gtqrjmvbg\hjftx.dll",AbortProc c:\ibqny.exe
      4⤵
      Badlisted process makes network request
      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:2268

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

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Downloads

hjftx.dll

Path \??\c:\gtqrjmvbg\hjftx.dll
Size 60KB
SHA256 42304221991ff2ea9d6c0252d42b90390caebc312a17126a4b13e9514f2b7d87
MD5 75e08aa9274df390fcdb1df3d0733bd5
SHA1 f3053cc10f33436aa1da7ec82a12ffdaff10ccfb
SHA512 dee8a07ca2142eb2ec1a5ce56af92605bb1c11e89da5d4335aee1098dc73375e422d9c53f201e571ff64b51c5cfa3928b1f26c0a23f4671dfbd91b1355d0e9db
SSDEEP 1536:Itj4HbqT+M0L2J2US62eSBQno/CUVzsxeOPw:ItqeT+M02J25qnLUVzs9w
TLSH
T1D05301286F6D2EDDFA3152B1E0985093FBD98B03043FA24D2544777F7D829631A93BA4
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

ibqny.exe

Path \??\c:\ibqny.exe
Size 119KB
SHA256 c6f1afae69344a494c931a7199961910a6a63cfc8f8ed4ddeb9c0d5683eb6d9f
MD5 d96f1c6ede066d2687b8b1311be5c52a
SHA1 07da2f723df450b98d85b60a797a425dcb81bca5
SHA512 34ecc22092a5573bd5c2fe4f40f0f1e5a3d488eed0ad48f57dafd3914cebb95679ccad868fb9c1b80d359df8aaff481fbefadc5a7f92e8b751aedccac2109de7
SSDEEP 1536:gWCfpn0RbXfmvElSdwS4ytneUDy9ZkM4A3FaJw/xfPWMywTvv:gWmpn0RbXNxeeJ9w7EPWMywL
TLSH
T174C3CF13AB7E44F9E0210D7406BA1B3143B6A85A3B145777D388EE5EF872E84EC3D256
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2268-6-0x0000000010000000-0x0000000010045000-memory.dmp

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memory/2268-8-0x0000000010000000-0x0000000010045000-memory.dmp

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memory/2268-7-0x0000000010000000-0x0000000010045000-memory.dmp

Download

memory/2268-9-0x0000000000BE0000-0x0000000000CE0000-memory.dmp

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memory/2268-10-0x0000000010000000-0x0000000010045000-memory.dmp

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memory/2268-11-0x0000000000BE0000-0x0000000000CE0000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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