farfli | b02861141a176cacdb9519c147f28292a2671f4596de6097c7f6cbccffbbef74

General

Target
2026-10-22_a159a420c89b14b082f33f58c4e288fd_coinminer_elex_wannacry.exe
Size 405KB
Sample261024-cw2mrsfs6x
SHA256 b02861141a176cacdb9519c147f28292a2671f4596de6097c7f6cbccffbbef74
MD5 a159a420c89b14b082f33f58c4e288fd
SHA1 ed920a9162b31b3a3390d947fc40be93036a0271
SHA512 3eee1760c3c295a333181486155c87c5a5db20cee6e80c1747e34c1bcdb60ada524e4a9415abe364301351b23f88d63549ba6e676038bf2dc42103c8ccb52a0f
SSDEEP 6144:TKgGmTBBuFIsBMkVuq4nITJJVn0wOa7sNvYfSkk/F6LS/:jGmTju+mMC4ITJE8dfSJ/F6K
TLSH
T15594D02272C08BA3C1866432CDA6E67CD3E5CD689C705E3773E9F65EDE36941423A274
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

backdoor bootkit defense_evasion discovery execution farfli persistence spyware stealer

Malware Config

Signatures

Family: Farfli
Farfli is a Windows backdoor written in C++.
backdoor farfli

Detects Farfli Backdoor 3 IoCs

resource	yara_rule
behavioral2/memory/2696-6-0x0000000010000000-0x0000000010067000-memory.dmp	family_farfli
behavioral2/memory/2696-8-0x0000000010000000-0x0000000010067000-memory.dmp	family_farfli
behavioral2/memory/2696-10-0x0000000010000000-0x0000000010067000-memory.dmp	family_farfli

Detects executables containing base64 encoded User Agent 3 IoCs

resource	yara_rule
behavioral2/memory/2696-6-0x0000000010000000-0x0000000010067000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/2696-8-0x0000000010000000-0x0000000010067000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/2696-10-0x0000000010000000-0x0000000010067000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent

UPX dump on OEP (original entry point) 1 IoCs

resource	yara_rule
behavioral2/files/0x000a000000019cb8-1.dat	UPX

Badlisted process makes network request 4 IoCs

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

flow	pid	Process
7	2696	rundll32.exe
9	2696	rundll32.exe
10	2696	rundll32.exe
11	2696	rundll32.exe

Deletes itself 1 TTPs 1 IoCs

defense_evasion

File Deletion

T1070.004

pid	Process
5388	svwwl.exe

Executes dropped EXE 1 IoCs

pid	Process
5388	svwwl.exe

Loads dropped DLL 1 IoCs

pid	Process
2696	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-1-5-21-1262770251-41185387-1005173349-1000\Software\Microsoft\Windows\CurrentVersion\Run\D3D = "c:\\windows\\SysWOW64\\rundll32.exe \"c:\\Program Files\\vxhqg\\vppty.dll\",InitEngine"	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)	\??\a:	rundll32.exe
File opened (read-only)	\??\k:	rundll32.exe
File opened (read-only)	\??\m:	rundll32.exe
File opened (read-only)	\??\v:	rundll32.exe
File opened (read-only)	\??\w:	rundll32.exe
File opened (read-only)	\??\x:	rundll32.exe
File opened (read-only)	\??\b:	rundll32.exe
File opened (read-only)	\??\g:	rundll32.exe
File opened (read-only)	\??\h:	rundll32.exe
File opened (read-only)	\??\n:	rundll32.exe
File opened (read-only)	\??\o:	rundll32.exe
File opened (read-only)	\??\p:	rundll32.exe
File opened (read-only)	\??\q:	rundll32.exe
File opened (read-only)	\??\s:	rundll32.exe
File opened (read-only)	\??\u:	rundll32.exe
File opened (read-only)	\??\z:	rundll32.exe
File opened (read-only)	\??\d:	rundll32.exe
File opened (read-only)	\??\i:	rundll32.exe
File opened (read-only)	\??\j:	rundll32.exe
File opened (read-only)	\??\l:	rundll32.exe
File opened (read-only)	\??\r:	rundll32.exe
File opened (read-only)	\??\t:	rundll32.exe
File opened (read-only)	\??\y:	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

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File opened for modification	\??\c:\Program Files\vxhqg	svwwl.exe
File created	\??\c:\Program Files\vxhqg\vppty.dll	svwwl.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
6036	cmd.exe

Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

discovery

System Network Configuration Discovery

T1016

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname	rundll32.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain	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	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svwwl.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-10-22_a159a420c89b14b082f33f58c4e288fd_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
6036	cmd.exe
2828	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
2828	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2696	rundll32.exe
2696	rundll32.exe
2696	rundll32.exe
2696	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2696	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2928	2026-10-22_a159a420c89b14b082f33f58c4e288fd_coinminer_elex_wannacry.exe
5388	svwwl.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2928 wrote to memory of 6036	2928	2026-10-22_a159a420c89b14b082f33f58c4e288fd_coinminer_elex_wannacry.exe	90
PID 6036 wrote to memory of 2828	6036	cmd.exe	92
PID 6036 wrote to memory of 5388	6036	cmd.exe	93
PID 5388 wrote to memory of 2696	5388	svwwl.exe	94

C:\Users\Admin\AppData\Local\Temp\2026-10-22_a159a420c89b14b082f33f58c4e288fd_coinminer_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-10-22_a159a420c89b14b082f33f58c4e288fd_coinminer_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2928
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\svwwl.exe "C:\Users\Admin\AppData\Local\Temp\2026-10-22_a159a420c89b14b082f33f58c4e288fd_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:6036
- - 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:2828
- - C:\Users\Admin\AppData\Local\Temp\svwwl.exe
    C:\Users\Admin\AppData\Local\Temp\\svwwl.exe "C:\Users\Admin\AppData\Local\Temp\2026-10-22_a159a420c89b14b082f33f58c4e288fd_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:5388
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\Program Files\vxhqg\vppty.dll",InitEngine C:\Users\Admin\AppData\Local\Temp\svwwl.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)
      Reads the TCP/IP host and domain name from the registry
      System Location Discovery: System Language Discovery
      Checks processor information in registry
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2696

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

Windows Command Shell

1

T1059.003

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

Indicator Removal

1

T1070

File Deletion

Modify Registry

Pre-OS Boot

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

2

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

svwwl.exe

Path C:\Users\Admin\AppData\Local\Temp\svwwl.exe
Size 406KB
SHA256 59a279ed7efdec1158a2d87367d30464783c20fd2fd7b46174f2edc8d3795621
MD5 a6eb2d8b6da4a436bc3a797905d25444
SHA1 2983a236406e83ebf84dce4873bde55085c95c95
SHA512 e1472fcb6292e858461fb13506fc67889e50f9fb32e70f0a0982a6307d5d572d9c552e1fd2114ac44e9a4398de74e754a2a516dfe3d60b1d987e6f89f6a30a0d
SSDEEP 6144:TKgGmTBBuFIsBMkVuq4nITJJVn0wOa7sNvYfSkk/F6LS:jGmTju+mMC4ITJE8dfSJ/F6
TLSH
T1D394D02272C08BA3C1866432CDA6E67CD3E5CD689C705E3773E9F65DDE36941423A274
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

vppty.dll

Path \??\c:\Program Files\vxhqg\vppty.dll
Size 176KB
SHA256 ce7977434892a6e413e8fecc8de5357d5543b8c63c54928e4cce022c38a9d915
MD5 f48592c6ac47196e9b00e378b991bd05
SHA1 cedf745cf488df7ebefcb4adb5f6661bcbf1c8d8
SHA512 5ec1f216d81ec600d0bdadf0172d05e299b2bd2ffc3b4a4fc0da82400762743412b8eee990f0c7788fc326f84306a95c839b091cb9695a107d3ee812b51b71b1
SSDEEP 3072:KiDJQVl82dm+NBiPAaHDb0gL/CyGbEPVMnY0RVjatbmKb6DWSFoocp:1Jv2tOItshGYdMnYYVjasKbOWSFofp
TLSH
T13C041261866D1C34D087B7717B05920DF6B453A49079CB93F7B8AF2B3D12AEA806E353
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2696-6-0x0000000010000000-0x0000000010067000-memory.dmp

Download

memory/2696-9-0x000000001005A000-0x000000001005B000-memory.dmp

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memory/2696-8-0x0000000010000000-0x0000000010067000-memory.dmp

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memory/2696-10-0x0000000010000000-0x0000000010067000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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