farfli | 6cd530222832c4dfc40366af79923f13a359eb239e5969165be5be75c90809e2

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
18/07/2026, 04:01

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General

Target
2026-07-17_4aa35702d44a977487cc50bd1968bf33_coinminer_elex_wannacry.exe
Size 310KB
Sample260718-elbppsfx3m
SHA256 6cd530222832c4dfc40366af79923f13a359eb239e5969165be5be75c90809e2
MD5 4aa35702d44a977487cc50bd1968bf33
SHA1 dbe1e585e53bc6f29af8041c5f9fa252cf03a9b6
SHA512 b0e2a4262fa681a960331b5dd6fb2e9301cfd7adb9c6ad718f58ef4996674bfa43993cf9e28483574791c5e3d081a6dd13c36f8e01ab315ad12ab0881f382d83
SSDEEP 6144:glYAIeOcaxmlJaErfbMCurC7xS3ZMOBnskyrOA:ywLcCmuErglr73aAD+B
TLSH
T19864F142D511CF47FC2FCAB6823E1E355317AE553B205693D3C8BA1F65B2B42A63A0D8
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

backdoor bootkit 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 7 IoCs

resource	yara_rule
behavioral1/memory/1800-14-0x0000000010000000-0x0000000010058000-memory.dmp	family_farfli
behavioral1/memory/1800-11-0x0000000010000000-0x0000000010058000-memory.dmp	family_farfli
behavioral1/memory/1800-16-0x0000000010000000-0x0000000010058000-memory.dmp	family_farfli
behavioral1/memory/1800-18-0x0000000010000000-0x0000000010058000-memory.dmp	family_farfli
behavioral1/memory/1800-19-0x0000000010000000-0x0000000010058000-memory.dmp	family_farfli
behavioral1/memory/1800-20-0x0000000010000000-0x0000000010058000-memory.dmp	family_farfli
behavioral1/memory/1800-21-0x0000000010000000-0x0000000010058000-memory.dmp	family_farfli

Detects executables containing base64 encoded User Agent 7 IoCs

resource	yara_rule
behavioral1/memory/1800-14-0x0000000010000000-0x0000000010058000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral1/memory/1800-11-0x0000000010000000-0x0000000010058000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral1/memory/1800-16-0x0000000010000000-0x0000000010058000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral1/memory/1800-18-0x0000000010000000-0x0000000010058000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral1/memory/1800-19-0x0000000010000000-0x0000000010058000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral1/memory/1800-20-0x0000000010000000-0x0000000010058000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral1/memory/1800-21-0x0000000010000000-0x0000000010058000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent

UPX dump on OEP (original entry point) 4 IoCs

resource	yara_rule
behavioral1/memory/1968-0-0x0000000000400000-0x0000000000483000-memory.dmp	UPX
behavioral1/memory/1968-2-0x0000000000400000-0x0000000000483000-memory.dmp	UPX
behavioral1/files/0x00090000000244b1-4.dat	UPX
behavioral1/memory/3488-7-0x0000000000400000-0x0000000000483000-memory.dmp	UPX

Badlisted process makes network request 8 IoCs

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

flow	pid	Process
5	1800	rundll32.exe
13	1800	rundll32.exe
20	1800	rundll32.exe
21	1800	rundll32.exe
44	1800	rundll32.exe
51	1800	rundll32.exe
62	1800	rundll32.exe
75	1800	rundll32.exe

Deletes itself 1 IoCs

pid	Process
3488	vinkm.exe

Executes dropped EXE 1 IoCs

pid	Process
3488	vinkm.exe

Loads dropped DLL 1 IoCs

pid	Process
1800	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-1-5-21-1074038928-2032447174-945360078-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Wetor = "c:\\windows\\SysWOW64\\rundll32.exe \"c:\\Program Files\\urdeucoho\\ibpnq.dll\",GetProc"	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)	\??\g:	rundll32.exe
File opened (read-only)	\??\h:	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)	\??\o:	rundll32.exe
File opened (read-only)	\??\p:	rundll32.exe
File opened (read-only)	\??\q:	rundll32.exe
File opened (read-only)	\??\a:	rundll32.exe
File opened (read-only)	\??\l:	rundll32.exe
File opened (read-only)	\??\m:	rundll32.exe
File opened (read-only)	\??\s:	rundll32.exe
File opened (read-only)	\??\v:	rundll32.exe
File opened (read-only)	\??\w:	rundll32.exe
File opened (read-only)	\??\y:	rundll32.exe
File opened (read-only)	\??\z:	rundll32.exe
File opened (read-only)	\??\t:	rundll32.exe
File opened (read-only)	\??\b:	rundll32.exe
File opened (read-only)	\??\e:	rundll32.exe
File opened (read-only)	\??\k:	rundll32.exe
File opened (read-only)	\??\r:	rundll32.exe
File opened (read-only)	\??\u:	rundll32.exe
File opened (read-only)	\??\x:	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

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1968-0-0x0000000000400000-0x0000000000483000-memory.dmp	upx
behavioral1/memory/1968-2-0x0000000000400000-0x0000000000483000-memory.dmp	upx
behavioral1/files/0x00090000000244b1-4.dat	upx
behavioral1/memory/3488-7-0x0000000000400000-0x0000000000483000-memory.dmp	upx

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File opened for modification	\??\c:\Program Files\urdeucoho	vinkm.exe
File created	\??\c:\Program Files\urdeucoho\ibpnq.dll	vinkm.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
4928	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	2026-07-17_4aa35702d44a977487cc50bd1968bf33_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	vinkm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.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
4928	cmd.exe
4180	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
4180	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1800	rundll32.exe
1800	rundll32.exe
1800	rundll32.exe
1800	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1800	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1968	2026-07-17_4aa35702d44a977487cc50bd1968bf33_coinminer_elex_wannacry.exe
3488	vinkm.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1968 wrote to memory of 4928	1968	2026-07-17_4aa35702d44a977487cc50bd1968bf33_coinminer_elex_wannacry.exe	85
PID 4928 wrote to memory of 4180	4928	cmd.exe	87
PID 4928 wrote to memory of 3488	4928	cmd.exe	88
PID 3488 wrote to memory of 1800	3488	vinkm.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-07-17_4aa35702d44a977487cc50bd1968bf33_coinminer_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-17_4aa35702d44a977487cc50bd1968bf33_coinminer_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1968
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\vinkm.exe "C:\Users\Admin\AppData\Local\Temp\2026-07-17_4aa35702d44a977487cc50bd1968bf33_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:4928
- - 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:4180
- - C:\Users\Admin\AppData\Local\Temp\vinkm.exe
    C:\Users\Admin\AppData\Local\Temp\\vinkm.exe "C:\Users\Admin\AppData\Local\Temp\2026-07-17_4aa35702d44a977487cc50bd1968bf33_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:3488
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\Program Files\urdeucoho\ibpnq.dll",GetProc C:\Users\Admin\AppData\Local\Temp\vinkm.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:1800

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

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

vinkm.exe

Path C:\Users\Admin\AppData\Local\Temp\vinkm.exe
Size 310KB
SHA256 0d439175b46955a64b527a078d23ab6a49a4d3aaafec7e83d51134484f85899d
MD5 18a9cc27bb7263ff20d214761a470ead
SHA1 cb719e4a71833a6948baa4301f87dba8716a80ca
SHA512 403bc28581b3dbfbe931e606c9343a642bec1f2b55f23f9023fc524c7568ce5a8e6e68aa863e43d0a118c4cdacfca92a88472465c3bd76a0a49ddab23166f6c6
SSDEEP 6144:glYAIeOcaxmlJaErfbMCurC7xS3ZMOBnskyrOq:ywLcCmuErglr73aAD+7
TLSH
T17664F142D511CF47FC2FCAB6823E1E355317AE553B205693D3C8BA1F65B2B42A63A0D8
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

ibpnq.dll

Path \??\c:\Program Files\urdeucoho\ibpnq.dll
Size 218KB
SHA256 38fcce1683af1098a25317affe486b38406b62b5e42f0ca2d752982230d846b2
MD5 06d97c62e7efdc3db109cf039f089542
SHA1 c9d809b8d8b531804140df9c8578e7e119d21c55
SHA512 3b97dd0a59557d0c5b1fea634e6c3a0c9fa0c593ed284f9a51778968e7c4aa2b73f7d1804182d22ed9c5c2cf487198e96f996001c9726eac837a217203871221
SSDEEP 6144:KORxNwD2VOidhzeXwddDzLi5vOQEqscr0ZTJauyt3:pnNwDTi3swddDiROXIp
TLSH
T19424128BCF983873C5223379597951A0B9324290AFA1534D92E6D34FA072BA2CF7B531
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1800-16-0x0000000010000000-0x0000000010058000-memory.dmp

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memory/1800-10-0x0000000010000000-0x0000000010058000-memory.dmp

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memory/1800-14-0x0000000010000000-0x0000000010058000-memory.dmp

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memory/1800-13-0x00000000014D0000-0x00000000014D1000-memory.dmp

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memory/1800-11-0x0000000010000000-0x0000000010058000-memory.dmp

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memory/1800-18-0x0000000010000000-0x0000000010058000-memory.dmp

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memory/1800-19-0x0000000010000000-0x0000000010058000-memory.dmp

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memory/1800-20-0x0000000010000000-0x0000000010058000-memory.dmp

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memory/1800-21-0x0000000010000000-0x0000000010058000-memory.dmp

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memory/1968-2-0x0000000000400000-0x0000000000483000-memory.dmp

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memory/1968-0-0x0000000000400000-0x0000000000483000-memory.dmp

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memory/3488-7-0x0000000000400000-0x0000000000483000-memory.dmp

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