farfli | 7fe6935d5a88bae1622965f235744ff8ad6cb26ab80c11519baf65f10ed88197

Analysis

max time kernel
148s
max time network
136s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
23/10/2026, 11:44

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General

Target
2026-10-23_5e1ba1a56710dd2059ec90356dbce976_coinminer_elex_wannacry.exe
Size 288KB
Sample261023-nwmdmaxxbw
SHA256 7fe6935d5a88bae1622965f235744ff8ad6cb26ab80c11519baf65f10ed88197
MD5 5e1ba1a56710dd2059ec90356dbce976
SHA1 fc6bffb47a98461c2be67a98c7e1d4d5d3b41a77
SHA512 41406c69ed168d1204406254a5a803f9cd2466eacdc64f4077b8f6fce00c45b79d4fe9e3131a3639eea13541f40ed371b7a106362f50a91cb8ed7cd3bb1cecc9
SSDEEP 3072:qtaoOzbY5l/Tx1DUDcbouGYefD5h1zZCBgb3EInA3rdCKA9bwpfMrgsAHuskkycP:qtatPE5Txvev1zQBgexOdw6rpI9Fs29
TLSH
T188547C1233E44869E4EA3E72CE76A630D7F9E875AC33D67B03D4430E5A36A04CB55366
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

backdoor bootkit defense_evasion discovery execution farfli persistence spyware stealer upx

Malware Config

Signatures

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

Detects Farfli Backdoor 4 IoCs

resource	yara_rule
behavioral2/memory/4880-10-0x0000000010000000-0x0000000010038000-memory.dmp	family_farfli
behavioral2/memory/4880-11-0x0000000010000000-0x0000000010038000-memory.dmp	family_farfli
behavioral2/memory/4880-13-0x0000000010000000-0x0000000010038000-memory.dmp	family_farfli
behavioral2/memory/4880-16-0x0000000010000000-0x0000000010038000-memory.dmp	family_farfli

Detects executables containing base64 encoded User Agent 4 IoCs

resource	yara_rule
behavioral2/memory/4880-10-0x0000000010000000-0x0000000010038000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/4880-11-0x0000000010000000-0x0000000010038000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/4880-13-0x0000000010000000-0x0000000010038000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/4880-16-0x0000000010000000-0x0000000010038000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent

UPX dump on OEP (original entry point) 9 IoCs

resource	yara_rule
behavioral2/memory/4256-0-0x0000000000400000-0x000000000043F000-memory.dmp	UPX
behavioral2/memory/4256-2-0x0000000000400000-0x000000000043F000-memory.dmp	UPX
behavioral2/files/0x000e000000016a66-3.dat	UPX
behavioral2/memory/3872-7-0x0000000000400000-0x000000000043F000-memory.dmp	UPX
behavioral2/files/0x0003000000000434-8.dat	UPX
behavioral2/memory/4880-10-0x0000000010000000-0x0000000010038000-memory.dmp	UPX
behavioral2/memory/4880-11-0x0000000010000000-0x0000000010038000-memory.dmp	UPX
behavioral2/memory/4880-13-0x0000000010000000-0x0000000010038000-memory.dmp	UPX
behavioral2/memory/4880-16-0x0000000010000000-0x0000000010038000-memory.dmp	UPX

Deletes itself 1 TTPs 1 IoCs

defense_evasion

File Deletion

T1070.004

pid	Process
3872	vkinq.exe

Executes dropped EXE 2 IoCs

pid	Process
3872	vkinq.exe
4880	tpj.exe

Loads dropped DLL 1 IoCs

pid	Process
4880	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-1-5-21-696679853-3915825385-3233721679-1000\Software\Microsoft\Windows\CurrentVersion\Run\Vicity = "c:\\Program Files\\xmrdd\\tpj.exe \"c:\\Program Files\\xmrdd\\tpjxt.dll\",Group"	tpj.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)	\??\d:	tpj.exe
File opened (read-only)	\??\g:	tpj.exe
File opened (read-only)	\??\o:	tpj.exe
File opened (read-only)	\??\x:	tpj.exe
File opened (read-only)	\??\y:	tpj.exe
File opened (read-only)	\??\h:	tpj.exe
File opened (read-only)	\??\n:	tpj.exe
File opened (read-only)	\??\p:	tpj.exe
File opened (read-only)	\??\q:	tpj.exe
File opened (read-only)	\??\z:	tpj.exe
File opened (read-only)	\??\i:	tpj.exe
File opened (read-only)	\??\l:	tpj.exe
File opened (read-only)	\??\m:	tpj.exe
File opened (read-only)	\??\s:	tpj.exe
File opened (read-only)	\??\t:	tpj.exe
File opened (read-only)	\??\u:	tpj.exe
File opened (read-only)	\??\w:	tpj.exe
File opened (read-only)	\??\a:	tpj.exe
File opened (read-only)	\??\b:	tpj.exe
File opened (read-only)	\??\j:	tpj.exe
File opened (read-only)	\??\k:	tpj.exe
File opened (read-only)	\??\r:	tpj.exe
File opened (read-only)	\??\v:	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

UPX packed file 5 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/files/0x0003000000000434-8.dat	upx
behavioral2/memory/4880-10-0x0000000010000000-0x0000000010038000-memory.dmp	upx
behavioral2/memory/4880-11-0x0000000010000000-0x0000000010038000-memory.dmp	upx
behavioral2/memory/4880-13-0x0000000010000000-0x0000000010038000-memory.dmp	upx
behavioral2/memory/4880-16-0x0000000010000000-0x0000000010038000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	\??\c:\Program Files\xmrdd	vkinq.exe
File created	\??\c:\Program Files\xmrdd\tpjxt.dll	vkinq.exe
File created	\??\c:\Program Files\xmrdd\tpj.exe	vkinq.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
4276	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	tpj.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain	tpj.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	2026-10-23_5e1ba1a56710dd2059ec90356dbce976_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	vkinq.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tpj.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
4276	cmd.exe
4204	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
4204	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4880	tpj.exe
4880	tpj.exe
4880	tpj.exe
4880	tpj.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4880	tpj.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4256	2026-10-23_5e1ba1a56710dd2059ec90356dbce976_coinminer_elex_wannacry.exe
3872	vkinq.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4256 wrote to memory of 4276	4256	2026-10-23_5e1ba1a56710dd2059ec90356dbce976_coinminer_elex_wannacry.exe	89
PID 4276 wrote to memory of 4204	4276	cmd.exe	91
PID 4276 wrote to memory of 3872	4276	cmd.exe	92
PID 3872 wrote to memory of 4880	3872	vkinq.exe	93

C:\Users\Admin\AppData\Local\Temp\2026-10-23_5e1ba1a56710dd2059ec90356dbce976_coinminer_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-10-23_5e1ba1a56710dd2059ec90356dbce976_coinminer_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4256
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\vkinq.exe "C:\Users\Admin\AppData\Local\Temp\2026-10-23_5e1ba1a56710dd2059ec90356dbce976_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:4276
- - 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:4204
- - C:\Users\Admin\AppData\Local\Temp\vkinq.exe
    C:\Users\Admin\AppData\Local\Temp\\vkinq.exe "C:\Users\Admin\AppData\Local\Temp\2026-10-23_5e1ba1a56710dd2059ec90356dbce976_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:3872
  - - \??\c:\Program Files\xmrdd\tpj.exe
      "c:\Program Files\xmrdd\tpj.exe" "c:\Program Files\xmrdd\tpjxt.dll",Group C:\Users\Admin\AppData\Local\Temp\vkinq.exe
      4⤵
      Executes dropped EXE
      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:4880

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Windows Command Shell

T1059.003

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

Indicator Removal

T1070

File Deletion

T1070.004

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

tpj.exe

Path C:\Program Files\xmrdd\tpj.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

vkinq.exe

Path C:\Users\Admin\AppData\Local\Temp\vkinq.exe
Size 288KB
SHA256 d05833e2e57e9254f3b9152ee65f2100be1bc00ea5b32b173b456ac4f93b7a9d
MD5 6bd4a4f349a210cfdc9f8ee30a46a426
SHA1 48a3171c336e23410a00458a6756c8df66b5b15a
SHA512 13732aac325763060916ed9cc0435669b4ffb3cc83c07f59636b5a66b37210b46f17707452b73e0159a08d4d03684b3bf670326ec76887804508cabca93923b5
SSDEEP 3072:qtaoOzbY5l/Tx1DUDcbouGYefD5h1zZCBgb3EInA3rdCKA9bwpfMrgsAHuskkycP:qtatPE5Txvev1zQBgexOdw6rpI9Fs29
TLSH
T18E547C1233E44869E4EA3E72CE76A630D7F9E875AC33D67B03D4430E5A36A04CB55366
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

tpjxt.dll

Path \??\c:\Program Files\xmrdd\tpjxt.dll
Size 97KB
SHA256 a2ff8a100ef0d6b07e9e43e8ed2e95e298bec774d78fd8bd79ee8cb5272f4e4a
MD5 6371ce10f1e1f96bc461bbbce28e730a
SHA1 37e520d2b5d77f70dd205cb1d63209461022faa8
SHA512 a709f6f1de954e19e3128961e6b690f85e6d72e77bdf64959b9619f4db0ecefd451262d403fe429cda85dc6433ed6b56919211d227cc3f21430455325ce91e52
SSDEEP 3072:BDpG6gzgHr5tCmfk455ecDBkdq+SStvAbGm:5pG6Sg9txRk/SS6bGm
TLSH
T1FBA301FA290D7DD6CB354839D6528E35FA29EE348C589F887ECE6C13ACB8510E1641F1
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/3872-7-0x0000000000400000-0x000000000043F000-memory.dmp

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memory/4256-0-0x0000000000400000-0x000000000043F000-memory.dmp

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memory/4256-2-0x0000000000400000-0x000000000043F000-memory.dmp

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memory/4880-10-0x0000000010000000-0x0000000010038000-memory.dmp

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memory/4880-11-0x0000000010000000-0x0000000010038000-memory.dmp

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memory/4880-13-0x0000000010000000-0x0000000010038000-memory.dmp

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memory/4880-16-0x0000000010000000-0x0000000010038000-memory.dmp

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