farfli | f17a0d43d4cce94642ee988c4e6783f1b784f72dfc6a7ca186c560354ddd25f4

Analysis

max time kernel
148s
max time network
143s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
09/08/2026, 06:31

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General

Target
2026-08-09_b84d9ad498a45e8bf5ab7d6d2c11c5e4_coinminer_elex_wannacry.exe
Size 402KB
Sample260809-haffassdla
SHA256 f17a0d43d4cce94642ee988c4e6783f1b784f72dfc6a7ca186c560354ddd25f4
MD5 b84d9ad498a45e8bf5ab7d6d2c11c5e4
SHA1 b2e7e94d4ff0800b78ccfc99262fe4c15732158d
SHA512 3307e0ce1584f903edffd140fdcff090bf84156fb74257544af9e2f1d2b8a428f2134115cc14aa4586ac7037c45a9e87ae6067b55c70dcc429b8e33c09a8e67a
SSDEEP 12288:zdDU6g13sJd1fm/+yb3O2js82ydU/DdKumH:zdE3sJd1fm/+yb3OYs84/JH6
TLSH
T1EA94AF01E78351D6DE8225B081FA7377B3789A4D0F12C7E3BB68EE2E6E211D1953B119
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
behavioral2/memory/5288-11-0x0000000010000000-0x0000000010033000-memory.dmp	family_farfli
behavioral2/memory/5288-13-0x0000000010000000-0x0000000010033000-memory.dmp	family_farfli
behavioral2/memory/5288-16-0x0000000010000000-0x0000000010033000-memory.dmp	family_farfli

Detects executables containing base64 encoded User Agent 3 IoCs

resource	yara_rule
behavioral2/memory/5288-11-0x0000000010000000-0x0000000010033000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/5288-13-0x0000000010000000-0x0000000010033000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/5288-16-0x0000000010000000-0x0000000010033000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent

UPX dump on OEP (original entry point) 9 IoCs

resource	yara_rule
behavioral2/memory/2480-0-0x0000000000400000-0x0000000000471000-memory.dmp	UPX
behavioral2/memory/2480-2-0x0000000000400000-0x0000000000471000-memory.dmp	UPX
behavioral2/files/0x000b000000016cdf-3.dat	UPX
behavioral2/memory/2080-7-0x0000000000400000-0x0000000000471000-memory.dmp	UPX
behavioral2/files/0x000e00000001c4e6-8.dat	UPX
behavioral2/memory/5288-10-0x0000000010000000-0x0000000010033000-memory.dmp	UPX
behavioral2/memory/5288-11-0x0000000010000000-0x0000000010033000-memory.dmp	UPX
behavioral2/memory/5288-13-0x0000000010000000-0x0000000010033000-memory.dmp	UPX
behavioral2/memory/5288-16-0x0000000010000000-0x0000000010033000-memory.dmp	UPX

Deletes itself 1 IoCs

pid	Process
2080	xiznyi.exe

Executes dropped EXE 2 IoCs

pid	Process
2080	xiznyi.exe
5288	lvahad.exe

Loads dropped DLL 1 IoCs

pid	Process
5288	lvahad.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-1-5-21-552508041-2681165170-3229858294-1000\Software\Microsoft\Windows\CurrentVersion\Run\VIEW = "c:\\Program Files\\iojpfdqb\\lvahad.exe \"c:\\Program Files\\iojpfdqb\\lvahad.dll\",Viewer"	lvahad.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)	\??\a:	lvahad.exe
File opened (read-only)	\??\d:	lvahad.exe
File opened (read-only)	\??\h:	lvahad.exe
File opened (read-only)	\??\r:	lvahad.exe
File opened (read-only)	\??\b:	lvahad.exe
File opened (read-only)	\??\i:	lvahad.exe
File opened (read-only)	\??\k:	lvahad.exe
File opened (read-only)	\??\n:	lvahad.exe
File opened (read-only)	\??\v:	lvahad.exe
File opened (read-only)	\??\g:	lvahad.exe
File opened (read-only)	\??\j:	lvahad.exe
File opened (read-only)	\??\l:	lvahad.exe
File opened (read-only)	\??\o:	lvahad.exe
File opened (read-only)	\??\q:	lvahad.exe
File opened (read-only)	\??\t:	lvahad.exe
File opened (read-only)	\??\u:	lvahad.exe
File opened (read-only)	\??\w:	lvahad.exe
File opened (read-only)	\??\m:	lvahad.exe
File opened (read-only)	\??\p:	lvahad.exe
File opened (read-only)	\??\s:	lvahad.exe
File opened (read-only)	\??\x:	lvahad.exe
File opened (read-only)	\??\y:	lvahad.exe
File opened (read-only)	\??\z:	lvahad.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	lvahad.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	\??\c:\Program Files\iojpfdqb\lvahad.exe	xiznyi.exe
File opened for modification	\??\c:\Program Files\iojpfdqb	xiznyi.exe
File created	\??\c:\Program Files\iojpfdqb\lvahad.dll	xiznyi.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
436	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	2026-08-09_b84d9ad498a45e8bf5ab7d6d2c11c5e4_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	xiznyi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lvahad.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
436	cmd.exe
2860	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	lvahad.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	lvahad.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2860	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
5288	lvahad.exe
5288	lvahad.exe
5288	lvahad.exe
5288	lvahad.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5288	lvahad.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2480	2026-08-09_b84d9ad498a45e8bf5ab7d6d2c11c5e4_coinminer_elex_wannacry.exe
2080	xiznyi.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2480 wrote to memory of 436	2480	2026-08-09_b84d9ad498a45e8bf5ab7d6d2c11c5e4_coinminer_elex_wannacry.exe	89
PID 436 wrote to memory of 2860	436	cmd.exe	91
PID 436 wrote to memory of 2080	436	cmd.exe	92
PID 2080 wrote to memory of 5288	2080	xiznyi.exe	93

C:\Users\Admin\AppData\Local\Temp\2026-08-09_b84d9ad498a45e8bf5ab7d6d2c11c5e4_coinminer_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-09_b84d9ad498a45e8bf5ab7d6d2c11c5e4_coinminer_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2480
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\xiznyi.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-09_b84d9ad498a45e8bf5ab7d6d2c11c5e4_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:436
- - 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:2860
- - C:\Users\Admin\AppData\Local\Temp\xiznyi.exe
    C:\Users\Admin\AppData\Local\Temp\\xiznyi.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-09_b84d9ad498a45e8bf5ab7d6d2c11c5e4_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:2080
  - - \??\c:\Program Files\iojpfdqb\lvahad.exe
      "c:\Program Files\iojpfdqb\lvahad.exe" "c:\Program Files\iojpfdqb\lvahad.dll",Viewer C:\Users\Admin\AppData\Local\Temp\xiznyi.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:5288

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

lvahad.exe

Path C:\Program Files\iojpfdqb\lvahad.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

xiznyi.exe

Path C:\Users\Admin\AppData\Local\Temp\xiznyi.exe
Size 403KB
SHA256 0d8017e30b39a0c8ebdb692b8e91031fef6ed20640c7b4a388978c18100e6747
MD5 019c754337c787d3358dde7604e83b6e
SHA1 9cf1095c6551a600c1f9a9ec666acb15417f3922
SHA512 2cba47e3116da097f28f835d51f2ca6fb6827ade0f71dc01d6653a2fd0e147032d3448dec3d5bbf8f285260ac0470b965e7ffc1800148a55f9794e626a026375
SSDEEP 12288:zdDU6g13sJd1fm/+yb3O2js82ydU/DdKumH:zdE3sJd1fm/+yb3OYs84/JH6
TLSH
T15194AF01E78351D6DE8225B081FA7377B3789A4D0F12C7E3BB68EE2E6E211D1953B119
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

lvahad.dll

Path \??\c:\Program Files\iojpfdqb\lvahad.dll
Size 89KB
SHA256 baf0c60431a4053f1557f8e25bde2556fa6f91bffdacc0f41379fe8ffb7c6d7a
MD5 b74f6bc3b7ca096ccd420f1b986d90ff
SHA1 283cf1f7249be34e49504782819fb04e91bf1020
SHA512 a07bacf1c6341c98e219d38cae727f52bffa09cb6a39e583d168f115cfe4b5f85f7d2be20d33aa87f7c7b6a148641d9583f35dd7d7f43deaa205ef9bac52acf9
SSDEEP 1536:XHXqO6ZG03eyenOj9lgA/PObuTMT5NMCfL7ojaZf5aZlBlGK:M1uF6Feu2NlQOBcGK
TLSH
T1BD9302C45665CD8BCCD87072327FAA4EE631D4CCB981ACB34B5E12A31A36AF3D41A745
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2080-7-0x0000000000400000-0x0000000000471000-memory.dmp

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memory/2480-0-0x0000000000400000-0x0000000000471000-memory.dmp

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memory/2480-2-0x0000000000400000-0x0000000000471000-memory.dmp

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memory/5288-10-0x0000000010000000-0x0000000010033000-memory.dmp

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memory/5288-11-0x0000000010000000-0x0000000010033000-memory.dmp

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memory/5288-13-0x0000000010000000-0x0000000010033000-memory.dmp

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memory/5288-16-0x0000000010000000-0x0000000010033000-memory.dmp

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