farfli | a0f3405695d591434742eb9610462fa6a47ae263ed6a6de7656eee983cfb7ccd

Analysis

max time kernel
148s
max time network
143s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
11/11/2026, 17:27

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General

Target
2026-11-10_e1727ca2d859422e9bcf4d7a00581f05_coinminer_elex_wannacry.exe
Size 403KB
Sample261111-v1n7caas5p
SHA256 a0f3405695d591434742eb9610462fa6a47ae263ed6a6de7656eee983cfb7ccd
MD5 e1727ca2d859422e9bcf4d7a00581f05
SHA1 bec79e86a802b52309ce86b37aac922a915da32c
SHA512 3e1fd5b0f5d6d75d597b904b9d6a5cdcb731f2a901f12b95b9d76cfcd879d3de0da2ee357ace60f4ceb898738e9eb426b17a50b2ee8197576c7df855f7f5922a
SSDEEP 12288:zdDU6g13sJd1fm/+yb3O2js82ydU/DdKumHG:zdE3sJd1fm/+yb3OYs84/JH6G
TLSH
T12894AF01E68351D6DE8225B081FA7376B378DA4D0F12C7E3BB68EE2F6E211D1953B119
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
behavioral2/memory/3428-14-0x0000000010000000-0x0000000010033000-memory.dmp	family_farfli
behavioral2/memory/3428-15-0x0000000010000000-0x0000000010033000-memory.dmp	family_farfli
behavioral2/memory/3428-17-0x0000000010000000-0x0000000010033000-memory.dmp	family_farfli
behavioral2/memory/3428-19-0x0000000010000000-0x0000000010033000-memory.dmp	family_farfli

Custom signature

Detects executables containing base64 encoded User Agent 4 IoCs

resource	yara_rule
behavioral2/memory/3428-14-0x0000000010000000-0x0000000010033000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/3428-15-0x0000000010000000-0x0000000010033000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/3428-17-0x0000000010000000-0x0000000010033000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/3428-19-0x0000000010000000-0x0000000010033000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent

Custom signature

UPX dump on OEP (original entry point) 9 IoCs

resource	yara_rule
behavioral2/memory/1656-0-0x0000000000400000-0x0000000000471000-memory.dmp	UPX
behavioral2/memory/1656-2-0x0000000000400000-0x0000000000471000-memory.dmp	UPX
behavioral2/files/0x00160000000115b3-3.dat	UPX
behavioral2/memory/3360-10-0x0000000000400000-0x0000000000471000-memory.dmp	UPX
behavioral2/files/0x001400000001c493-11.dat	UPX
behavioral2/memory/3428-14-0x0000000010000000-0x0000000010033000-memory.dmp	UPX
behavioral2/memory/3428-15-0x0000000010000000-0x0000000010033000-memory.dmp	UPX
behavioral2/memory/3428-17-0x0000000010000000-0x0000000010033000-memory.dmp	UPX
behavioral2/memory/3428-19-0x0000000010000000-0x0000000010033000-memory.dmp	UPX

Deletes itself 1 TTPs 1 IoCs

defense_evasion

File Deletion

T1070.004

pid	Process
3360	rgnhh.exe

Executes dropped EXE 2 IoCs

pid	Process
3360	rgnhh.exe
3428	svoceu.exe

Loads dropped DLL 1 IoCs

pid	Process
3428	svoceu.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-1-5-21-4057491610-3392471755-192832105-1000\Software\Microsoft\Windows\CurrentVersion\Run\VIEW = "c:\\Program Files\\bpdhqqw\\svoceu.exe \"c:\\Program Files\\bpdhqqw\\svoceu.dll\",Viewer"	svoceu.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)	\??\k:	svoceu.exe
File opened (read-only)	\??\n:	svoceu.exe
File opened (read-only)	\??\p:	svoceu.exe
File opened (read-only)	\??\v:	svoceu.exe
File opened (read-only)	\??\x:	svoceu.exe
File opened (read-only)	\??\y:	svoceu.exe
File opened (read-only)	\??\i:	svoceu.exe
File opened (read-only)	\??\l:	svoceu.exe
File opened (read-only)	\??\s:	svoceu.exe
File opened (read-only)	\??\w:	svoceu.exe
File opened (read-only)	\??\b:	svoceu.exe
File opened (read-only)	\??\d:	svoceu.exe
File opened (read-only)	\??\h:	svoceu.exe
File opened (read-only)	\??\j:	svoceu.exe
File opened (read-only)	\??\o:	svoceu.exe
File opened (read-only)	\??\r:	svoceu.exe
File opened (read-only)	\??\t:	svoceu.exe
File opened (read-only)	\??\u:	svoceu.exe
File opened (read-only)	\??\a:	svoceu.exe
File opened (read-only)	\??\g:	svoceu.exe
File opened (read-only)	\??\m:	svoceu.exe
File opened (read-only)	\??\q:	svoceu.exe
File opened (read-only)	\??\z:	svoceu.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	svoceu.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	\??\c:\Program Files\bpdhqqw	rgnhh.exe
File created	\??\c:\Program Files\bpdhqqw\svoceu.dll	rgnhh.exe
File created	\??\c:\Program Files\bpdhqqw\svoceu.exe	rgnhh.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
5380	cmd.exe

Reads the TCP/IP host and domain name from the registry 1 TTPs 1 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	svoceu.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	2026-11-10_e1727ca2d859422e9bcf4d7a00581f05_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	rgnhh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svoceu.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
5380	cmd.exe
4704	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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	svoceu.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	svoceu.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4704	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3428	svoceu.exe
3428	svoceu.exe
3428	svoceu.exe
3428	svoceu.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3428	svoceu.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1656	2026-11-10_e1727ca2d859422e9bcf4d7a00581f05_coinminer_elex_wannacry.exe
3360	rgnhh.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1656 wrote to memory of 5380	1656	2026-11-10_e1727ca2d859422e9bcf4d7a00581f05_coinminer_elex_wannacry.exe	90
PID 5380 wrote to memory of 4704	5380	cmd.exe	92
PID 5380 wrote to memory of 3360	5380	cmd.exe	93
PID 3360 wrote to memory of 3428	3360	rgnhh.exe	94

C:\Users\Admin\AppData\Local\Temp\2026-11-10_e1727ca2d859422e9bcf4d7a00581f05_coinminer_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-11-10_e1727ca2d859422e9bcf4d7a00581f05_coinminer_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1656
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\rgnhh.exe "C:\Users\Admin\AppData\Local\Temp\2026-11-10_e1727ca2d859422e9bcf4d7a00581f05_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:5380
- - 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:4704
- - C:\Users\Admin\AppData\Local\Temp\rgnhh.exe
    C:\Users\Admin\AppData\Local\Temp\\rgnhh.exe "C:\Users\Admin\AppData\Local\Temp\2026-11-10_e1727ca2d859422e9bcf4d7a00581f05_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:3360
  - - \??\c:\Program Files\bpdhqqw\svoceu.exe
      "c:\Program Files\bpdhqqw\svoceu.exe" "c:\Program Files\bpdhqqw\svoceu.dll",Viewer C:\Users\Admin\AppData\Local\Temp\rgnhh.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:3428

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

Replay Monitor

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Downloads

svoceu.exe

Path C:\Program Files\bpdhqqw\svoceu.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

rgnhh.exe

Path C:\Users\Admin\AppData\Local\Temp\rgnhh.exe
Size 403KB
SHA256 3087baea87799898a907c4b109f1e92fc449661919f2d120d5915aa3043c3c3f
MD5 1e9aaf08272b5d65e4f316caa3fbbff1
SHA1 d4fc81cfe4abda2d5a369b65061e60136ed9bb99
SHA512 8fc394a1907b6c89b5a4ea0dd571a1a2698c8d0d8b246642f3cfbffcc3668b5a9cb7cfb4f81ba506c16d7473a631cb11ad6bb7a5ca713f8cca9981b6a31703b8
SSDEEP 12288:zdDU6g13sJd1fm/+yb3O2js82ydU/DdKumHS:zdE3sJd1fm/+yb3OYs84/JH6S
TLSH
T1AE94AF01E68351D6DE8225B081FA7376B378DA4D0F12C7E3BB68EE2F6E211D1953B119
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

svoceu.dll

Path \??\c:\Program Files\bpdhqqw\svoceu.dll
Size 89KB
SHA256 c74510df0f3fd4f84054a4b6ad1eaa2bd39c29af654f768b6ab02846a98d760f
MD5 8c26bfcde406f6313800f6d1e84361ee
SHA1 a6de11611f9e093bab675b4d4a724fec2489e7c0
SHA512 11eb3f79bdeb2bd02e2c5066345421b28feec5524b14d2bb50b0e4913305b6b8b72c11d91a90b80262a0d969358e0655f51f60c8fd36251e2d1327182f882511
SSDEEP 1536:XHXqO6ZG03eyenOj9lgA/PObuTMT5NMCfL7ojaZf5aZlBlGH:M1uF6Feu2NlQOBcGH
TLSH
T1349302C45669CD8BCCD87072727FAA4EE631D48CB981ACB34A5E13A31B365F3D01A745
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/1656-0-0x0000000000400000-0x0000000000471000-memory.dmp

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memory/1656-2-0x0000000000400000-0x0000000000471000-memory.dmp

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memory/3360-10-0x0000000000400000-0x0000000000471000-memory.dmp

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memory/3428-14-0x0000000010000000-0x0000000010033000-memory.dmp

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memory/3428-15-0x0000000010000000-0x0000000010033000-memory.dmp

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memory/3428-17-0x0000000010000000-0x0000000010033000-memory.dmp

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memory/3428-19-0x0000000010000000-0x0000000010033000-memory.dmp

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