farfli | 20db8b01473a93be70c64547388219ad5bf8019820bc382da9f39b04c2035b57

General

Target
2026-08-22_958dcdc51542da625cae93cc0a5b8859_coinminer_elex_wannacry.exe
Size 420KB
Sample260823-e79tmaek2s
SHA256 20db8b01473a93be70c64547388219ad5bf8019820bc382da9f39b04c2035b57
MD5 958dcdc51542da625cae93cc0a5b8859
SHA1 7c411d6244525601ca78c7a0b0c7d34561816dc9
SHA512 690f2516fd831f968aec2e85c26dfbce6cf4057e6bb147790a3fab01366bb84c8935b6160d794724ac5e0cce576b601a799066a85885f465ca6768d8bf1945b4
SSDEEP 6144:TKgGmTBBuFIsBMkVuq4nITJJVn0wOa7sNvYfSkk/F6LE:jGmTju+mMC4ITJE8dfSJ/F6I
TLSH
T18F94D02272D0CBA3C0856472CE66E63CD3E5CC689D705E3773E9F65EEA36901423A275
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

backdoor bootkit discovery execution farfli persistence spyware stealer

Malware Config

Signatures

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

Detects Farfli Backdoor 2 IoCs

resource	yara_rule
behavioral1/memory/2888-9-0x0000000010000000-0x0000000010067000-memory.dmp	family_farfli
behavioral1/memory/2888-11-0x0000000010000000-0x0000000010067000-memory.dmp	family_farfli

Detects executables containing base64 encoded User Agent 2 IoCs

resource	yara_rule
behavioral1/memory/2888-9-0x0000000010000000-0x0000000010067000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral1/memory/2888-11-0x0000000010000000-0x0000000010067000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent

UPX dump on OEP (original entry point) 1 IoCs

resource	yara_rule
behavioral1/files/0x000d0000000242c7-2.dat	UPX

Badlisted process makes network request 4 IoCs

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

flow	pid	Process
5	2888	rundll32.exe
13	2888	rundll32.exe
14	2888	rundll32.exe
32	2888	rundll32.exe

Deletes itself 1 IoCs

pid	Process
4296	pmnfv.exe

Executes dropped EXE 1 IoCs

pid	Process
4296	pmnfv.exe

Loads dropped DLL 1 IoCs

pid	Process
2888	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-1-5-21-1788976790-1541110888-1636651838-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\D3D = "c:\\windows\\SysWOW64\\rundll32.exe \"c:\\Program Files\\logxgmlmc\\ssoxlmfa.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)	\??\l:	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)	\??\t:	rundll32.exe
File opened (read-only)	\??\y:	rundll32.exe
File opened (read-only)	\??\b:	rundll32.exe
File opened (read-only)	\??\m:	rundll32.exe
File opened (read-only)	\??\r:	rundll32.exe
File opened (read-only)	\??\v:	rundll32.exe
File opened (read-only)	\??\x:	rundll32.exe
File opened (read-only)	\??\e:	rundll32.exe
File opened (read-only)	\??\g:	rundll32.exe
File opened (read-only)	\??\h:	rundll32.exe
File opened (read-only)	\??\o:	rundll32.exe
File opened (read-only)	\??\w:	rundll32.exe
File opened (read-only)	\??\a:	rundll32.exe
File opened (read-only)	\??\i:	rundll32.exe
File opened (read-only)	\??\j:	rundll32.exe
File opened (read-only)	\??\n:	rundll32.exe
File opened (read-only)	\??\u:	rundll32.exe
File opened (read-only)	\??\z:	rundll32.exe
File opened (read-only)	\??\k:	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\logxgmlmc	pmnfv.exe
File created	\??\c:\Program Files\logxgmlmc\ssoxlmfa.dll	pmnfv.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
3976	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	pmnfv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-08-22_958dcdc51542da625cae93cc0a5b8859_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

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
3976	cmd.exe
1276	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
1276	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2888	rundll32.exe
2888	rundll32.exe
2888	rundll32.exe
2888	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2888	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2352	2026-08-22_958dcdc51542da625cae93cc0a5b8859_coinminer_elex_wannacry.exe
4296	pmnfv.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2352 wrote to memory of 3976	2352	2026-08-22_958dcdc51542da625cae93cc0a5b8859_coinminer_elex_wannacry.exe	85
PID 3976 wrote to memory of 1276	3976	cmd.exe	87
PID 3976 wrote to memory of 4296	3976	cmd.exe	88
PID 4296 wrote to memory of 2888	4296	pmnfv.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-22_958dcdc51542da625cae93cc0a5b8859_coinminer_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-22_958dcdc51542da625cae93cc0a5b8859_coinminer_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2352
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\pmnfv.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-22_958dcdc51542da625cae93cc0a5b8859_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:3976
- - 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:1276
- - C:\Users\Admin\AppData\Local\Temp\pmnfv.exe
    C:\Users\Admin\AppData\Local\Temp\\pmnfv.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-22_958dcdc51542da625cae93cc0a5b8859_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:4296
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\Program Files\logxgmlmc\ssoxlmfa.dll",InitEngine C:\Users\Admin\AppData\Local\Temp\pmnfv.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:2888

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

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

pmnfv.exe

Path C:\Users\Admin\AppData\Local\Temp\pmnfv.exe
Size 420KB
SHA256 9711b10e9237502d0cad8c770c129d19669d5bc63f744b5ace96fddb71b7208e
MD5 7e4f9c6e155cf6bd609056928d165b1e
SHA1 baab0634e4134c2f43d76d9a0aa523c211bf6e4c
SHA512 07252c4e5391f56adf6af87290efc1fc35c9026ba7a238af40bd37186a9a3a6a7ebe2c09fad9a3599800515703e34a4fb6ada5d6f58cdc2921f117cb81b6aa0b
SSDEEP 6144:TKgGmTBBuFIsBMkVuq4nITJJVn0wOa7sNvYfSkk/F6L:jGmTju+mMC4ITJE8dfSJ/F6
TLSH
T1F394D02272D0CBA3C0856472CE66E63CD3E5CC689D705E3773E9F65EEA36901423A275
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

ssoxlmfa.dll

Path \??\c:\Program Files\logxgmlmc\ssoxlmfa.dll
Size 176KB
SHA256 1ecac5028466089db69e0237ef752a72e86441f6dc80f4382c967dce89fa5dd6
MD5 37e0afcde2def9ef7fdc459ce8beb3f9
SHA1 145a7758ceffedb98185170906df4e18c3980e35
SHA512 79ebb69fa4f8fa9891d4f1c3b3265f946503f4a6463262355b6a187eb79fa9fff7fbcc53965223b5b01cec2aa136e171d77222bdfea3a85ce113338a1b5fd6e6
SSDEEP 3072:KiDJQVl82dm+NBiPAaHDb0gL/CyGbEPVMnY0RVjatbmKb6DWSFoocB:1Jv2tOItshGYdMnYYVjasKbOWSFofB
TLSH
T1E1041261866D1C34D087B7717B05920DF6B452A490B9CBD3F7B8AF2B3D12AEA805E353
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2888-7-0x0000000010000000-0x0000000010067000-memory.dmp

Download

memory/2888-8-0x000000001005A000-0x000000001005B000-memory.dmp

Download

memory/2888-9-0x0000000010000000-0x0000000010067000-memory.dmp

Download

memory/2888-11-0x0000000010000000-0x0000000010067000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads