farfli | 30ab7a360409f0d022b7f85d3592185761ec70b65949ce032265d43af6543a5b

Analysis

max time kernel
149s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
04/08/2026, 15:37

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General

Target
2026-08-04_60ed8e58b44c8bdae025479ed9771516_coinminer_elex_wannacry.exe
Size 402KB
Sample260804-s2yfasda66
SHA256 30ab7a360409f0d022b7f85d3592185761ec70b65949ce032265d43af6543a5b
MD5 60ed8e58b44c8bdae025479ed9771516
SHA1 1ee73193c448388e722828348388aa3bbd489fd2
SHA512 9dfd4fd35aae8b7d211441dd24edee3e2846477e5a9814ebbe9bc21534dc30bbcb2422a8b05b521132bd3210c16c2595d998c4ce882a11f9be648c58e36f6362
SSDEEP 12288:zdDU6g13sJd1fm/+yb3O2js82ydU/DdKumHx:zdE3sJd1fm/+yb3OYs84/JH6x
TLSH
T1F294AF01E78351D6DE8225B081FA7377B3789A4D0F12C7E3BB68EE2E6E211D1953B119
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

backdoor bootkit 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/3396-14-0x0000000010000000-0x0000000010033000-memory.dmp	family_farfli
behavioral1/memory/3396-15-0x0000000010000000-0x0000000010033000-memory.dmp	family_farfli
behavioral1/memory/3396-17-0x0000000010000000-0x0000000010033000-memory.dmp	family_farfli
behavioral1/memory/3396-20-0x0000000010000000-0x0000000010033000-memory.dmp	family_farfli

Detects executables containing base64 encoded User Agent 4 IoCs

resource	yara_rule
behavioral1/memory/3396-14-0x0000000010000000-0x0000000010033000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral1/memory/3396-15-0x0000000010000000-0x0000000010033000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral1/memory/3396-17-0x0000000010000000-0x0000000010033000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral1/memory/3396-20-0x0000000010000000-0x0000000010033000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent

UPX dump on OEP (original entry point) 9 IoCs

resource	yara_rule
behavioral1/memory/5504-0-0x0000000000400000-0x0000000000471000-memory.dmp	UPX
behavioral1/memory/5504-2-0x0000000000400000-0x0000000000471000-memory.dmp	UPX
behavioral1/files/0x00100000000231f3-4.dat	UPX
behavioral1/memory/5072-11-0x0000000000400000-0x0000000000471000-memory.dmp	UPX
behavioral1/files/0x00020000000233ae-10.dat	UPX
behavioral1/memory/3396-14-0x0000000010000000-0x0000000010033000-memory.dmp	UPX
behavioral1/memory/3396-15-0x0000000010000000-0x0000000010033000-memory.dmp	UPX
behavioral1/memory/3396-17-0x0000000010000000-0x0000000010033000-memory.dmp	UPX
behavioral1/memory/3396-20-0x0000000010000000-0x0000000010033000-memory.dmp	UPX

Deletes itself 1 IoCs

pid	Process
5072	cxpyupsg.exe

Executes dropped EXE 2 IoCs

pid	Process
5072	cxpyupsg.exe
3396	pmhmzxny.exe

Loads dropped DLL 1 IoCs

pid	Process
3396	pmhmzxny.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-1-5-21-3053180483-1881419501-3594244048-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\VIEW = "c:\\Program Files\\rhbkv\\pmhmzxny.exe \"c:\\Program Files\\rhbkv\\pmhmzxny.dll\",Viewer"	pmhmzxny.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:	pmhmzxny.exe
File opened (read-only)	\??\h:	pmhmzxny.exe
File opened (read-only)	\??\r:	pmhmzxny.exe
File opened (read-only)	\??\s:	pmhmzxny.exe
File opened (read-only)	\??\x:	pmhmzxny.exe
File opened (read-only)	\??\e:	pmhmzxny.exe
File opened (read-only)	\??\p:	pmhmzxny.exe
File opened (read-only)	\??\t:	pmhmzxny.exe
File opened (read-only)	\??\u:	pmhmzxny.exe
File opened (read-only)	\??\z:	pmhmzxny.exe
File opened (read-only)	\??\a:	pmhmzxny.exe
File opened (read-only)	\??\b:	pmhmzxny.exe
File opened (read-only)	\??\k:	pmhmzxny.exe
File opened (read-only)	\??\l:	pmhmzxny.exe
File opened (read-only)	\??\m:	pmhmzxny.exe
File opened (read-only)	\??\n:	pmhmzxny.exe
File opened (read-only)	\??\o:	pmhmzxny.exe
File opened (read-only)	\??\w:	pmhmzxny.exe
File opened (read-only)	\??\i:	pmhmzxny.exe
File opened (read-only)	\??\j:	pmhmzxny.exe
File opened (read-only)	\??\q:	pmhmzxny.exe
File opened (read-only)	\??\v:	pmhmzxny.exe
File opened (read-only)	\??\y:	pmhmzxny.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	pmhmzxny.exe

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File created	\??\c:\Program Files\rhbkv\pmhmzxny.dll	cxpyupsg.exe
File created	\??\c:\Program Files\rhbkv\pmhmzxny.exe	cxpyupsg.exe
File opened for modification	\??\c:\Program Files\rhbkv\pmhmzxny.exe	cxpyupsg.exe
File opened for modification	\??\c:\Program Files\rhbkv	cxpyupsg.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
3300	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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cxpyupsg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	pmhmzxny.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-08-04_60ed8e58b44c8bdae025479ed9771516_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
3300	cmd.exe
5236	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	pmhmzxny.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	pmhmzxny.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
5236	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3396	pmhmzxny.exe
3396	pmhmzxny.exe
3396	pmhmzxny.exe
3396	pmhmzxny.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3396	pmhmzxny.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
5504	2026-08-04_60ed8e58b44c8bdae025479ed9771516_coinminer_elex_wannacry.exe
5072	cxpyupsg.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 5504 wrote to memory of 3300	5504	2026-08-04_60ed8e58b44c8bdae025479ed9771516_coinminer_elex_wannacry.exe	86
PID 3300 wrote to memory of 5236	3300	cmd.exe	88
PID 3300 wrote to memory of 5072	3300	cmd.exe	89
PID 5072 wrote to memory of 3396	5072	cxpyupsg.exe	90

C:\Users\Admin\AppData\Local\Temp\2026-08-04_60ed8e58b44c8bdae025479ed9771516_coinminer_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-04_60ed8e58b44c8bdae025479ed9771516_coinminer_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5504
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\cxpyupsg.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-04_60ed8e58b44c8bdae025479ed9771516_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:3300
- - 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:5236
- - C:\Users\Admin\AppData\Local\Temp\cxpyupsg.exe
    C:\Users\Admin\AppData\Local\Temp\\cxpyupsg.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-04_60ed8e58b44c8bdae025479ed9771516_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:5072
  - - \??\c:\Program Files\rhbkv\pmhmzxny.exe
      "c:\Program Files\rhbkv\pmhmzxny.exe" "c:\Program Files\rhbkv\pmhmzxny.dll",Viewer C:\Users\Admin\AppData\Local\Temp\cxpyupsg.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:3396

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

Replay Monitor

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Downloads

cxpyupsg.exe

Path C:\Users\Admin\AppData\Local\Temp\cxpyupsg.exe
Size 402KB
SHA256 631fdd024cc9185e1ba96651d4a2b7badae108c89c66b4354f4c18c163ef94ef
MD5 4552823fad232a36392c01cdd43f1839
SHA1 5a7315bdbe7b2ec7aa7d1956c04cdcc9dd2e5d3d
SHA512 c75d669cdd3cf158c206fe79014fd7e6e285ff21af7a6480854f7166e64179924666b3424eb5cc86999ab94557decbb59cc7bd9951385eadd0e82a6919fd68d3
SSDEEP 12288:zdDU6g13sJd1fm/+yb3O2js82ydU/DdKumHT:zdE3sJd1fm/+yb3OYs84/JH6T
TLSH
T1DD94AF01E78351D6DE8225B081FA7377B3789A4D0F12C7E3BB68EE2E6E211D1953B119
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

pmhmzxny.dll

Path \??\c:\Program Files\rhbkv\pmhmzxny.dll
Size 89KB
SHA256 9d48feb320080e9d870ace1d06cb62afd02619feae2d4bb5a4cd15dd529053e3
MD5 c7ecb6ccd8841ad48d724193e1a80131
SHA1 a2cef7f5849c9b40d6ad483e6be3c6288103f8ec
SHA512 d2e5d7320662f1dbc75e4bf99c4f24cc9851af107eccb1c07b01956b1d94e79dd5d2fe3e152573cefb31584c4f205f21dd8790e3391d03cd318e412c864807f4
SSDEEP 1536:XHXqO6ZG03eyenOj9lgA/PObuTMT5NMCfL7ojaZf5aZlBlG3:M1uF6Feu2NlQOBcG3
TLSH
T12D9302C45665CD8BCCD87072327FAA4EE631D4CCB941ACB34A5E13A31A36AF3D45A705
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

pmhmzxny.exe

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

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memory/3396-14-0x0000000010000000-0x0000000010033000-memory.dmp

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memory/3396-15-0x0000000010000000-0x0000000010033000-memory.dmp

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memory/3396-17-0x0000000010000000-0x0000000010033000-memory.dmp

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memory/3396-20-0x0000000010000000-0x0000000010033000-memory.dmp

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memory/5072-11-0x0000000000400000-0x0000000000471000-memory.dmp

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memory/5504-0-0x0000000000400000-0x0000000000471000-memory.dmp

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memory/5504-2-0x0000000000400000-0x0000000000471000-memory.dmp

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