farfli | 0596c419c3513e045bb7026122f5ca4ca56e186561642ee132d540882a4162d4

General

Target
2026-08-13_afc119af43f265a9d74225d565769d91_coinminer_elex_wannacry.exe
Size 420KB
Sample260813-kbf5bstyfv
SHA256 0596c419c3513e045bb7026122f5ca4ca56e186561642ee132d540882a4162d4
MD5 afc119af43f265a9d74225d565769d91
SHA1 66036d223f5016eb28cac956b71e5650c1add15e
SHA512 4fcea7224c407285dd6a7efc3e6f9c14079daac29f50af30dbd14b3187176b32fbcf55e4099a45885a24ddd83f57e63ed361f593051df3a26ce72431919bcff6
SSDEEP 6144:TKgGmTBBuFIsBMkVuq4nITJJVn0wOa7sNvYfSkk/F6L:jGmTju+mMC4ITJE8dfSJ/F6
TLSH
T11F94D02272D0CBA3C0856472CE66E63CD3E5CC689D705E3773E9F65EEA36901423A275
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 3 IoCs

resource	yara_rule
behavioral1/memory/1116-9-0x0000000010000000-0x0000000010067000-memory.dmp	family_farfli
behavioral1/memory/1116-7-0x0000000010000000-0x0000000010067000-memory.dmp	family_farfli
behavioral1/memory/1116-11-0x0000000010000000-0x0000000010067000-memory.dmp	family_farfli

Detects executables containing base64 encoded User Agent 3 IoCs

resource	yara_rule
behavioral1/memory/1116-9-0x0000000010000000-0x0000000010067000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral1/memory/1116-7-0x0000000010000000-0x0000000010067000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral1/memory/1116-11-0x0000000010000000-0x0000000010067000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent

UPX dump on OEP (original entry point) 1 IoCs

resource	yara_rule
behavioral1/files/0x0034000000016864-2.dat	UPX

Badlisted process makes network request 4 IoCs

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

flow	pid	Process
10	1116	rundll32.exe
13	1116	rundll32.exe
14	1116	rundll32.exe
33	1116	rundll32.exe

Deletes itself 1 IoCs

pid	Process
2124	eafqmhpr.exe

Executes dropped EXE 1 IoCs

pid	Process
2124	eafqmhpr.exe

Loads dropped DLL 1 IoCs

pid	Process
1116	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-1-5-21-889581200-2041691093-2048517887-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\D3D = "c:\\windows\\SysWOW64\\rundll32.exe \"c:\\Program Files\\qhjnv\\ddatnybj.dll\",InitEngine"	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)	\??\k:	rundll32.exe
File opened (read-only)	\??\e:	rundll32.exe
File opened (read-only)	\??\m:	rundll32.exe
File opened (read-only)	\??\r:	rundll32.exe
File opened (read-only)	\??\s:	rundll32.exe
File opened (read-only)	\??\t:	rundll32.exe
File opened (read-only)	\??\u:	rundll32.exe
File opened (read-only)	\??\i:	rundll32.exe
File opened (read-only)	\??\l:	rundll32.exe
File opened (read-only)	\??\o:	rundll32.exe
File opened (read-only)	\??\x:	rundll32.exe
File opened (read-only)	\??\y:	rundll32.exe
File opened (read-only)	\??\z:	rundll32.exe
File opened (read-only)	\??\b:	rundll32.exe
File opened (read-only)	\??\j:	rundll32.exe
File opened (read-only)	\??\n:	rundll32.exe
File opened (read-only)	\??\p:	rundll32.exe
File opened (read-only)	\??\q:	rundll32.exe
File opened (read-only)	\??\v:	rundll32.exe
File opened (read-only)	\??\w:	rundll32.exe
File opened (read-only)	\??\a:	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

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File opened for modification	\??\c:\Program Files\qhjnv	eafqmhpr.exe
File created	\??\c:\Program Files\qhjnv\ddatnybj.dll	eafqmhpr.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
1548	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	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-08-13_afc119af43f265a9d74225d565769d91_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	eafqmhpr.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
1548	cmd.exe
1132	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
1132	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1116	rundll32.exe
1116	rundll32.exe
1116	rundll32.exe
1116	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1116	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1148	2026-08-13_afc119af43f265a9d74225d565769d91_coinminer_elex_wannacry.exe
2124	eafqmhpr.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1148 wrote to memory of 1548	1148	2026-08-13_afc119af43f265a9d74225d565769d91_coinminer_elex_wannacry.exe	85
PID 1548 wrote to memory of 1132	1548	cmd.exe	87
PID 1548 wrote to memory of 2124	1548	cmd.exe	88
PID 2124 wrote to memory of 1116	2124	eafqmhpr.exe	90

C:\Users\Admin\AppData\Local\Temp\2026-08-13_afc119af43f265a9d74225d565769d91_coinminer_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-13_afc119af43f265a9d74225d565769d91_coinminer_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1148
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\eafqmhpr.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-13_afc119af43f265a9d74225d565769d91_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:1548
- - 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:1132
- - C:\Users\Admin\AppData\Local\Temp\eafqmhpr.exe
    C:\Users\Admin\AppData\Local\Temp\\eafqmhpr.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-13_afc119af43f265a9d74225d565769d91_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:2124
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\Program Files\qhjnv\ddatnybj.dll",InitEngine C:\Users\Admin\AppData\Local\Temp\eafqmhpr.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:1116

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

Windows Command Shell

1

T1059.003

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Peripheral Device Discovery

Query Registry

Remote System Discovery

1

T1018

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

eafqmhpr.exe

Path C:\Users\Admin\AppData\Local\Temp\eafqmhpr.exe
Size 420KB
SHA256 59882d890816cde073bbc9b0b6b8d8d0216d86dc925960adff11b1bfa3e80d7a
MD5 ca80258e1702effb5b35a9182d1580f2
SHA1 c749885c40936c192267b74c29eb9851461ead58
SHA512 914b07043a2b9b9bb09c25d3130d88e7f808f84af48c1cf548a5f4d70d66b33f63bd0b40871b733e91977e1b5db0c4d43007d7ba27e4146146cecf192e31b0aa
SSDEEP 6144:TKgGmTBBuFIsBMkVuq4nITJJVn0wOa7sNvYfSkk/F6L0:jGmTju+mMC4ITJE8dfSJ/F6w
TLSH
T18C94D02272D0CBA3C0856472CE66E63CD3E5CC689D705E3773E9F65EEA36901423A275
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

ddatnybj.dll

Path \??\c:\Program Files\qhjnv\ddatnybj.dll
Size 176KB
SHA256 fa84006f010b3470450f8566d8952929585fd93052a01f4de257afbcbec64928
MD5 d2f82b22792edd09a36fe445c76b822b
SHA1 07d8fa0d4dadb020a9de2f43cdc19c20e87b06fe
SHA512 8fc221c611033dd95ceb42bc2ee1288f4981c1d653ff4e82599cadc604cda975d0a53450bab5d18cf3c2107879b2d53ccc9368334d495b0aba8cc64926a67b4d
SSDEEP 3072:KiDJQVl82dm+NBiPAaHDb0gL/CyGbEPVMnY0RVjatbmKb6DWSFoocJ:1Jv2tOItshGYdMnYYVjasKbOWSFofJ
TLSH
T157041261866D1C34D087B7717B05920DF6B452A49079CBD3F7B8AF2B3D12AEA805E353
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1116-9-0x0000000010000000-0x0000000010067000-memory.dmp

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memory/1116-8-0x000000001005A000-0x000000001005B000-memory.dmp

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memory/1116-7-0x0000000010000000-0x0000000010067000-memory.dmp

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memory/1116-11-0x0000000010000000-0x0000000010067000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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