farfli | 57eb20cc4a22bd24e673ef95df71d3469f04d303cae53fde51627c93436617f3

General

Target
2026-09-29_35c11438b3ea6a89abe40e8b6e05bf41_coinminer_elex_wannacry.exe
Size 413KB
Sample260930-dq5b5ssfpg
SHA256 57eb20cc4a22bd24e673ef95df71d3469f04d303cae53fde51627c93436617f3
MD5 35c11438b3ea6a89abe40e8b6e05bf41
SHA1 edd880348acfce4dee3c720b7ece2eee681991bc
SHA512 2951b48f0fc728d33543da0ff91fbd374ecd06343c9e9e5f607a371b3bd8e24414c61afa73b6c7aae61a5c8c741de910c65988bf3b6bf622e1d71acab73f3557
SSDEEP 12288:JdDU6g13sJd1fm/+yb3O2jg82ydU/DdKum8+:JdE3sJd1fm/+yb3OYg84/JHz+
TLSH
T14D94AF01E7C351D6DE82257081FA7376B378DA4D0F12C7E3BBA8EE2E6E21191953B119
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 4 IoCs

resource	yara_rule
behavioral1/memory/2080-11-0x0000000010000000-0x0000000010033000-memory.dmp	family_farfli
behavioral1/memory/2080-13-0x0000000010000000-0x0000000010033000-memory.dmp	family_farfli
behavioral1/memory/2080-15-0x0000000010000000-0x0000000010033000-memory.dmp	family_farfli
behavioral1/memory/2080-18-0x0000000010000000-0x0000000010033000-memory.dmp	family_farfli

Detects executables containing base64 encoded User Agent 4 IoCs

resource	yara_rule
behavioral1/memory/2080-11-0x0000000010000000-0x0000000010033000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral1/memory/2080-13-0x0000000010000000-0x0000000010033000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral1/memory/2080-15-0x0000000010000000-0x0000000010033000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral1/memory/2080-18-0x0000000010000000-0x0000000010033000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent

UPX dump on OEP (original entry point) 6 IoCs

resource	yara_rule
behavioral1/files/0x00070000000004e8-2.dat	UPX
behavioral1/files/0x000b0000000243bc-8.dat	UPX
behavioral1/memory/2080-11-0x0000000010000000-0x0000000010033000-memory.dmp	UPX
behavioral1/memory/2080-13-0x0000000010000000-0x0000000010033000-memory.dmp	UPX
behavioral1/memory/2080-15-0x0000000010000000-0x0000000010033000-memory.dmp	UPX
behavioral1/memory/2080-18-0x0000000010000000-0x0000000010033000-memory.dmp	UPX

Deletes itself 1 TTPs 1 IoCs

defense_evasion

File Deletion

T1070.004

pid	Process
2060	msxdzvz.exe

Executes dropped EXE 2 IoCs

pid	Process
2060	msxdzvz.exe
2080	tpj.exe

Loads dropped DLL 1 IoCs

pid	Process
2080	tpj.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-1-5-21-895009113-1202185046-1686627690-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\VIEW = "c:\\Program Files\\xmrdd\\tpj.exe \"c:\\Program Files\\xmrdd\\tpjxt.dll\",Viewer"	tpj.exe

Enumerates connected drives 3 TTPs 24 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)	\??\v:	tpj.exe
File opened (read-only)	\??\w:	tpj.exe
File opened (read-only)	\??\b:	tpj.exe
	\??\f:\	tpj.exe
File opened (read-only)	\??\n:	tpj.exe
File opened (read-only)	\??\t:	tpj.exe
File opened (read-only)	\??\x:	tpj.exe
File opened (read-only)	\??\y:	tpj.exe
File opened (read-only)	\??\e:	tpj.exe
File opened (read-only)	\??\g:	tpj.exe
File opened (read-only)	\??\j:	tpj.exe
File opened (read-only)	\??\k:	tpj.exe
File opened (read-only)	\??\q:	tpj.exe
File opened (read-only)	\??\r:	tpj.exe
File opened (read-only)	\??\z:	tpj.exe
File opened (read-only)	\??\i:	tpj.exe
File opened (read-only)	\??\o:	tpj.exe
File opened (read-only)	\??\u:	tpj.exe
File opened (read-only)	\??\p:	tpj.exe
File opened (read-only)	\??\a:	tpj.exe
File opened (read-only)	\??\h:	tpj.exe
File opened (read-only)	\??\l:	tpj.exe
File opened (read-only)	\??\m:	tpj.exe
File opened (read-only)	\??\s:	tpj.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	tpj.exe

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File opened for modification	\??\c:\Program Files\xmrdd	msxdzvz.exe
File created	\??\c:\Program Files\xmrdd\tpjxt.dll	msxdzvz.exe
File created	\??\c:\Program Files\xmrdd\tpj.exe	msxdzvz.exe
File opened for modification	\??\c:\Program Files\xmrdd\tpj.exe	msxdzvz.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
4656	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	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msxdzvz.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tpj.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-09-29_35c11438b3ea6a89abe40e8b6e05bf41_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
4656	cmd.exe
4768	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	tpj.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	tpj.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4768	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2080	tpj.exe
2080	tpj.exe
2080	tpj.exe
2080	tpj.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2080	tpj.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1180	2026-09-29_35c11438b3ea6a89abe40e8b6e05bf41_coinminer_elex_wannacry.exe
2060	msxdzvz.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1180 wrote to memory of 4656	1180	2026-09-29_35c11438b3ea6a89abe40e8b6e05bf41_coinminer_elex_wannacry.exe	87
PID 4656 wrote to memory of 4768	4656	cmd.exe	89
PID 4656 wrote to memory of 2060	4656	cmd.exe	92
PID 2060 wrote to memory of 2080	2060	msxdzvz.exe	93

C:\Users\Admin\AppData\Local\Temp\2026-09-29_35c11438b3ea6a89abe40e8b6e05bf41_coinminer_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-09-29_35c11438b3ea6a89abe40e8b6e05bf41_coinminer_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1180
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\msxdzvz.exe "C:\Users\Admin\AppData\Local\Temp\2026-09-29_35c11438b3ea6a89abe40e8b6e05bf41_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:4656
- - 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:4768
- - C:\Users\Admin\AppData\Local\Temp\msxdzvz.exe
    C:\Users\Admin\AppData\Local\Temp\\msxdzvz.exe "C:\Users\Admin\AppData\Local\Temp\2026-09-29_35c11438b3ea6a89abe40e8b6e05bf41_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:2060
  - - \??\c:\Program Files\xmrdd\tpj.exe
      "c:\Program Files\xmrdd\tpj.exe" "c:\Program Files\xmrdd\tpjxt.dll",Viewer C:\Users\Admin\AppData\Local\Temp\msxdzvz.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:2080

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

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

tpj.exe

Path C:\Program Files\xmrdd\tpj.exe
Size 60KB
SHA256 6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910
MD5 889b99c52a60dd49227c5e485a016679
SHA1 8fa889e456aa646a4d0a4349977430ce5fa5e2d7
SHA512 08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641
SSDEEP 1536:H9ykYCTdiHQKrFXmw2RQln5IUmDjoX6+:HlMHprF2nRQln5I
TLSH
T127532AC2FA00C171D4A7563019778F1A5766AC13DB728ACB94B0B4A41EB3291AD3E5FF
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

msxdzvz.exe

Path C:\Users\Admin\AppData\Local\Temp\msxdzvz.exe
Size 413KB
SHA256 fcac0e66fb90d2ad3889aef1f08c2b086c643b3a368fe12b3be797c88e391ae0
MD5 3be482ce5db14e59ac7f32d5b677f9b7
SHA1 ac932a1315e5fcead7e23756b325bd032313f980
SHA512 66a2d380445bb9d7ea3dea5aed5338b51ddd20f59e982bf013a9fcae419f85173b8ac0d45ee321258a394e32140dde141648c8912790deec9c98b30b8ed08e48
SSDEEP 12288:JdDU6g13sJd1fm/+yb3O2jg82ydU/DdKum8:JdE3sJd1fm/+yb3OYg84/JHz
TLSH
T18094AF01E7C351D6DE82257081FA7376B378DA4D0F12C7E3BBA8EE2E6E21191953B119
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

tpjxt.dll

Path \??\c:\Program Files\xmrdd\tpjxt.dll
Size 89KB
SHA256 b01eab11620d1ac9dfbd0fc401d1644dc454f03f68a5c3eeecf8cec1ce95afb9
MD5 ff4835b61eebcae280f8b264f1439576
SHA1 b2b3afc4f6ac5f0f455ceb8244971569e6ca1fd2
SHA512 8930ee466832d67ba9ef09c79099d99c4b98e2c5c25c50b3a1ee337b099e74a0ee21a741bc227977b78929c8943c02a8306f1be250b5795b078d89066da38c15
SSDEEP 1536:XHXqO6ZG03eyenOj9lgA/PObuTMT5NMCfL7ojaZf5aZlBlG3:M1uF6Feu2NlQOBcG3
TLSH
T13E9302C45665CD8BCCD87072327FAA4EE631D4CCB981ACB34A5E13A31B36AE3D45A705
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2080-11-0x0000000010000000-0x0000000010033000-memory.dmp

Download

memory/2080-13-0x0000000010000000-0x0000000010033000-memory.dmp

Download

memory/2080-15-0x0000000010000000-0x0000000010033000-memory.dmp

Download

memory/2080-18-0x0000000010000000-0x0000000010033000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads