farfli | fb857f6d5376a0c15b9119f268111f6a46cea69341ee1bab1861afc5a33f8328

Analysis

max time kernel
148s
max time network
138s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260629-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
30/06/2026, 15:56

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General

Target
2026-06-28_30c3c5f5f10b62b05daba4516ec4836a_coinminer_elex_wannacry.exe
Size 248KB
Sample260630-tdcdlabs2n
SHA256 fb857f6d5376a0c15b9119f268111f6a46cea69341ee1bab1861afc5a33f8328
MD5 30c3c5f5f10b62b05daba4516ec4836a
SHA1 e767c19997aa0eb1bd590778ed33311d7d4b8588
SHA512 fa25527e2dd40fb4ff4c1cd38470ac879c4a535609fba7f8a134bef78e0320d9f2d82ad72508cc1ff9cc699714ff63be236f0f49447806ac8598b25d391df1a5
SSDEEP 6144:qtatPE5Txvev1zQBgexOdw6rpI9Fsd92:5PwTFCl+zGp6C
TLSH
T194448C1233E80869E5EA7E33CEB6A630D7FAE9759C33D66F1394420D4E36904CB15366
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

backdoor bootkit discovery farfli persistence spyware stealer upx

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/3712-11-0x0000000010000000-0x0000000010038000-memory.dmp	family_farfli
behavioral2/memory/3712-13-0x0000000010000000-0x0000000010038000-memory.dmp	family_farfli
behavioral2/memory/3712-18-0x0000000010000000-0x0000000010038000-memory.dmp	family_farfli

Detects executables containing base64 encoded User Agent 3 IoCs

resource	yara_rule
behavioral2/memory/3712-11-0x0000000010000000-0x0000000010038000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/3712-13-0x0000000010000000-0x0000000010038000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/3712-18-0x0000000010000000-0x0000000010038000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent

UPX dump on OEP (original entry point) 9 IoCs

resource	yara_rule
behavioral2/memory/1284-0-0x0000000000400000-0x000000000043F000-memory.dmp	UPX
behavioral2/memory/1284-2-0x0000000000400000-0x000000000043F000-memory.dmp	UPX
behavioral2/files/0x000b00000001b89d-4.dat	UPX
behavioral2/memory/3948-7-0x0000000000400000-0x000000000043F000-memory.dmp	UPX
behavioral2/memory/3712-10-0x0000000010000000-0x0000000010038000-memory.dmp	UPX
behavioral2/files/0x000e00000001c5b2-9.dat	UPX
behavioral2/memory/3712-11-0x0000000010000000-0x0000000010038000-memory.dmp	UPX
behavioral2/memory/3712-13-0x0000000010000000-0x0000000010038000-memory.dmp	UPX
behavioral2/memory/3712-18-0x0000000010000000-0x0000000010038000-memory.dmp	UPX

Deletes itself 1 IoCs

pid	Process
3948	bmhqluraq.exe

Executes dropped EXE 2 IoCs

pid	Process
3948	bmhqluraq.exe
3712	pwx.exe

Loads dropped DLL 1 IoCs

pid	Process
3712	pwx.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-1-5-21-2639994890-966400312-4246138405-1000\Software\Microsoft\Windows\CurrentVersion\Run\Vicity = "c:\\Program Files\\nnxvy\\pwx.exe \"c:\\Program Files\\nnxvy\\pwxve.dll\",Group"	pwx.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:	pwx.exe
File opened (read-only)	\??\i:	pwx.exe
File opened (read-only)	\??\k:	pwx.exe
File opened (read-only)	\??\o:	pwx.exe
File opened (read-only)	\??\r:	pwx.exe
File opened (read-only)	\??\u:	pwx.exe
File opened (read-only)	\??\y:	pwx.exe
File opened (read-only)	\??\g:	pwx.exe
File opened (read-only)	\??\l:	pwx.exe
File opened (read-only)	\??\m:	pwx.exe
File opened (read-only)	\??\n:	pwx.exe
File opened (read-only)	\??\q:	pwx.exe
File opened (read-only)	\??\s:	pwx.exe
File opened (read-only)	\??\z:	pwx.exe
File opened (read-only)	\??\j:	pwx.exe
File opened (read-only)	\??\v:	pwx.exe
File opened (read-only)	\??\b:	pwx.exe
File opened (read-only)	\??\h:	pwx.exe
File opened (read-only)	\??\p:	pwx.exe
File opened (read-only)	\??\t:	pwx.exe
File opened (read-only)	\??\w:	pwx.exe
File opened (read-only)	\??\x:	pwx.exe
File opened (read-only)	\??\a:	pwx.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	pwx.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3712-10-0x0000000010000000-0x0000000010038000-memory.dmp	upx
behavioral2/files/0x000e00000001c5b2-9.dat	upx
behavioral2/memory/3712-11-0x0000000010000000-0x0000000010038000-memory.dmp	upx
behavioral2/memory/3712-13-0x0000000010000000-0x0000000010038000-memory.dmp	upx
behavioral2/memory/3712-18-0x0000000010000000-0x0000000010038000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	\??\c:\Program Files\nnxvy	bmhqluraq.exe
File created	\??\c:\Program Files\nnxvy\pwxve.dll	bmhqluraq.exe
File created	\??\c:\Program Files\nnxvy\pwx.exe	bmhqluraq.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	bmhqluraq.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	pwx.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-06-28_30c3c5f5f10b62b05daba4516ec4836a_coinminer_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
2560	PING.EXE
1408	cmd.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	pwx.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	pwx.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2560	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3712	pwx.exe
3712	pwx.exe
3712	pwx.exe
3712	pwx.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3712	pwx.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1284	2026-06-28_30c3c5f5f10b62b05daba4516ec4836a_coinminer_elex_wannacry.exe
3948	bmhqluraq.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1284 wrote to memory of 1408	1284	2026-06-28_30c3c5f5f10b62b05daba4516ec4836a_coinminer_elex_wannacry.exe	88
PID 1408 wrote to memory of 2560	1408	cmd.exe	90
PID 1408 wrote to memory of 3948	1408	cmd.exe	91
PID 3948 wrote to memory of 3712	3948	bmhqluraq.exe	92

C:\Users\Admin\AppData\Local\Temp\2026-06-28_30c3c5f5f10b62b05daba4516ec4836a_coinminer_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-06-28_30c3c5f5f10b62b05daba4516ec4836a_coinminer_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1284
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\bmhqluraq.exe "C:\Users\Admin\AppData\Local\Temp\2026-06-28_30c3c5f5f10b62b05daba4516ec4836a_coinminer_elex_wannacry.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:1408
- - 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:2560
- - C:\Users\Admin\AppData\Local\Temp\bmhqluraq.exe
    C:\Users\Admin\AppData\Local\Temp\\bmhqluraq.exe "C:\Users\Admin\AppData\Local\Temp\2026-06-28_30c3c5f5f10b62b05daba4516ec4836a_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:3948
  - - \??\c:\Program Files\nnxvy\pwx.exe
      "c:\Program Files\nnxvy\pwx.exe" "c:\Program Files\nnxvy\pwxve.dll",Group C:\Users\Admin\AppData\Local\Temp\bmhqluraq.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:3712

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

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

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

Replay Monitor

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Downloads

pwx.exe

Path C:\Program Files\nnxvy\pwx.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

pwxve.dll

Path C:\Program Files\nnxvy\pwxve.dll
Size 97KB
SHA256 bc758bee441227c00a4ad7c49819dfacdff36b4170e8ae490c742b8ab14d42d2
MD5 32042a908bd8bc83dd030b91453c3a38
SHA1 ac61df0af610ab70b96332205caa6ebd3658f629
SHA512 f25ddd3dfb5fd1e3a464698b9f0fcc5cc847c033da84ef04da709d5f4d176221d7b0afa17347df13ffc3dca3497b653742775b2203dc3522c093642fb61a7e97
SSDEEP 3072:BDpG6gzgHr5tCmfk455ecDBkdq+SStvAbGG:5pG6Sg9txRk/SS6bGG
TLSH
T1FAA301FA290D7DD6CB354839D6528E35FA29EE348C589F887ECE7C13ACB8510E1641B1
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

bmhqluraq.exe

Path C:\Users\Admin\AppData\Local\Temp\bmhqluraq.exe
Size 248KB
SHA256 f6f1ad3d73d34fb5781ca762dc61e48c506d9a0619e7e6d4d679f8c262fabc62
MD5 dc34864c5c91223765f5d0ebb3891fef
SHA1 e8f4090cfdb210c4e3b6d8cf424c912dacd25e6d
SHA512 14dc89181fa6ee0198df5760e5dcce5add22b0bc397125fe1c44676cefa4d707a4c31d6f4f262baee9d373f94fb48ac33e1543883f7efaa5e25cb0c6f3302d64
SSDEEP 6144:qtatPE5Txvev1zQBgexOdw6rpI9Fsd92:5PwTFCl+zGp6C
TLSH
T10D448C1233E80869E5EA7E33CEB6A630D7FAE9759C33D66F1394420D4E36904CB15366
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1284-0-0x0000000000400000-0x000000000043F000-memory.dmp

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memory/1284-2-0x0000000000400000-0x000000000043F000-memory.dmp

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memory/3712-10-0x0000000010000000-0x0000000010038000-memory.dmp

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memory/3712-11-0x0000000010000000-0x0000000010038000-memory.dmp

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memory/3712-13-0x0000000010000000-0x0000000010038000-memory.dmp

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memory/3712-18-0x0000000010000000-0x0000000010038000-memory.dmp

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memory/3948-7-0x0000000000400000-0x000000000043F000-memory.dmp

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