farfli | 162672a1eabfba8e864fc13532224410e4a616e497e3683d165a8490d419cfdf

Analysis

max time kernel
148s
max time network
138s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
15/07/2026, 10:34

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General

Target
2026-07-15_117404c148c7b3a5c8b6b483b9517b96_coinminer_elex_wannacry.exe
Size 403KB
Sample260715-ml3geshz2n
SHA256 162672a1eabfba8e864fc13532224410e4a616e497e3683d165a8490d419cfdf
MD5 117404c148c7b3a5c8b6b483b9517b96
SHA1 5de840bbb54e68a3d6eec07709422939a8cf82f7
SHA512 559a0409d5b16f24e6119cdfdce884bb29d513c810fb0354312ca9f9e330c0ea23c312012a6cc67b925979dbae11dd968832ef0154c7122dc791e6fe69106873
SSDEEP 12288:zdDU6g13sJd1fm/+yb3O2js82ydU/DdKumH:zdE3sJd1fm/+yb3OYs84/JH6
TLSH
T11B94AF01E7C351D6DE8225B081FA7376B3789A4D0F12C7E3BB68EE2E6E211D1953B119
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

backdoor bootkit discovery 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/1408-11-0x0000000010000000-0x0000000010033000-memory.dmp	family_farfli
behavioral2/memory/1408-13-0x0000000010000000-0x0000000010033000-memory.dmp	family_farfli
behavioral2/memory/1408-16-0x0000000010000000-0x0000000010033000-memory.dmp	family_farfli

Detects executables containing base64 encoded User Agent 3 IoCs

resource	yara_rule
behavioral2/memory/1408-11-0x0000000010000000-0x0000000010033000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/1408-13-0x0000000010000000-0x0000000010033000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/1408-16-0x0000000010000000-0x0000000010033000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent

UPX dump on OEP (original entry point) 9 IoCs

resource	yara_rule
behavioral2/memory/1752-0-0x0000000000400000-0x0000000000471000-memory.dmp	UPX
behavioral2/memory/1752-2-0x0000000000400000-0x0000000000471000-memory.dmp	UPX
behavioral2/files/0x000e00000001b1d0-3.dat	UPX
behavioral2/memory/4944-7-0x0000000000400000-0x0000000000471000-memory.dmp	UPX
behavioral2/files/0x000e00000001c4bf-8.dat	UPX
behavioral2/memory/1408-10-0x0000000010000000-0x0000000010033000-memory.dmp	UPX
behavioral2/memory/1408-11-0x0000000010000000-0x0000000010033000-memory.dmp	UPX
behavioral2/memory/1408-13-0x0000000010000000-0x0000000010033000-memory.dmp	UPX
behavioral2/memory/1408-16-0x0000000010000000-0x0000000010033000-memory.dmp	UPX

Deletes itself 1 IoCs

pid	Process
4944	qjkde.exe

Executes dropped EXE 2 IoCs

pid	Process
4944	qjkde.exe
1408	bhs.exe

Loads dropped DLL 1 IoCs

pid	Process
1408	bhs.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-1-5-21-1738198120-2966725515-3980530802-1000\Software\Microsoft\Windows\CurrentVersion\Run\VIEW = "c:\\Program Files\\sebfr\\bhs.exe \"c:\\Program Files\\sebfr\\bhsaz.dll\",Viewer"	bhs.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)	\??\j:	bhs.exe
File opened (read-only)	\??\s:	bhs.exe
File opened (read-only)	\??\v:	bhs.exe
File opened (read-only)	\??\x:	bhs.exe
File opened (read-only)	\??\i:	bhs.exe
File opened (read-only)	\??\w:	bhs.exe
File opened (read-only)	\??\y:	bhs.exe
File opened (read-only)	\??\a:	bhs.exe
File opened (read-only)	\??\b:	bhs.exe
File opened (read-only)	\??\d:	bhs.exe
File opened (read-only)	\??\h:	bhs.exe
File opened (read-only)	\??\k:	bhs.exe
File opened (read-only)	\??\n:	bhs.exe
File opened (read-only)	\??\r:	bhs.exe
File opened (read-only)	\??\t:	bhs.exe
File opened (read-only)	\??\l:	bhs.exe
File opened (read-only)	\??\m:	bhs.exe
File opened (read-only)	\??\u:	bhs.exe
File opened (read-only)	\??\z:	bhs.exe
File opened (read-only)	\??\o:	bhs.exe
File opened (read-only)	\??\p:	bhs.exe
File opened (read-only)	\??\q:	bhs.exe
File opened (read-only)	\??\g:	bhs.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	bhs.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	\??\c:\Program Files\sebfr	qjkde.exe
File created	\??\c:\Program Files\sebfr\bhsaz.dll	qjkde.exe
File created	\??\c:\Program Files\sebfr\bhs.exe	qjkde.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	qjkde.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bhs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-07-15_117404c148c7b3a5c8b6b483b9517b96_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
3356	cmd.exe
5164	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	bhs.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	bhs.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
5164	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1408	bhs.exe
1408	bhs.exe
1408	bhs.exe
1408	bhs.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1408	bhs.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1752	2026-07-15_117404c148c7b3a5c8b6b483b9517b96_coinminer_elex_wannacry.exe
4944	qjkde.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1752 wrote to memory of 3356	1752	2026-07-15_117404c148c7b3a5c8b6b483b9517b96_coinminer_elex_wannacry.exe	87
PID 3356 wrote to memory of 5164	3356	cmd.exe	89
PID 3356 wrote to memory of 4944	3356	cmd.exe	90
PID 4944 wrote to memory of 1408	4944	qjkde.exe	91

C:\Users\Admin\AppData\Local\Temp\2026-07-15_117404c148c7b3a5c8b6b483b9517b96_coinminer_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-15_117404c148c7b3a5c8b6b483b9517b96_coinminer_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1752
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\qjkde.exe "C:\Users\Admin\AppData\Local\Temp\2026-07-15_117404c148c7b3a5c8b6b483b9517b96_coinminer_elex_wannacry.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:3356
- - 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:5164
- - C:\Users\Admin\AppData\Local\Temp\qjkde.exe
    C:\Users\Admin\AppData\Local\Temp\\qjkde.exe "C:\Users\Admin\AppData\Local\Temp\2026-07-15_117404c148c7b3a5c8b6b483b9517b96_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:4944
  - - \??\c:\Program Files\sebfr\bhs.exe
      "c:\Program Files\sebfr\bhs.exe" "c:\Program Files\sebfr\bhsaz.dll",Viewer C:\Users\Admin\AppData\Local\Temp\qjkde.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:1408

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

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

bhs.exe

Path C:\Program Files\sebfr\bhs.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

qjkde.exe

Path C:\Users\Admin\AppData\Local\Temp\qjkde.exe
Size 403KB
SHA256 a9044bef28302999d067349582d7cd74dadaec9f31c8f5fc9ba513a491ffdbb4
MD5 8323bd10815f7ede59f02499d4cd48bc
SHA1 fe308ed3d239ed1431fbe3a4350d53520eb7398d
SHA512 097f7ee83b24979f0b359218271e1781fa7d3fe4fb79233cc96f0e006c95d2f191bb345a42bef105cedc6c4089343904ac906980938504b716cee179bfc05103
SSDEEP 12288:zdDU6g13sJd1fm/+yb3O2js82ydU/DdKumH:zdE3sJd1fm/+yb3OYs84/JH6
TLSH
T1C194AF01E7C351D6DE8225B081FA7376B3789A4D0F12C7E3BB68EE2E6E211D1953B119
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

bhsaz.dll

Path \??\c:\Program Files\sebfr\bhsaz.dll
Size 89KB
SHA256 56ab156133d328b3cae7499f09ed0b8ec7a823c0363ebbc529c3233720b50510
MD5 9adb4be88ff33beb3f5aee5cd3d7f2d7
SHA1 a71c85e1360d2e3f22be1ba37f781279cb834c8c
SHA512 6ce3f2a7644b1e6414714380d5320ea95ce5021c26bd1a02d24268264cb38011987749b32018ce7e726861cbfe1bcf594eb36ca950631d2e95321d21adb96ca5
SSDEEP 1536:XHXqO6ZG03eyenOj9lgA/PObuTMT5NMCfL7ojaZf5aZlBlGI:M1uF6Feu2NlQOBcGI
TLSH
T1769302C45665CD8BCCD87072727FAA4EE631D48CB941ACB34B5E17A31A36AF3D01AB05
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1408-10-0x0000000010000000-0x0000000010033000-memory.dmp

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memory/1408-11-0x0000000010000000-0x0000000010033000-memory.dmp

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memory/1408-13-0x0000000010000000-0x0000000010033000-memory.dmp

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memory/1408-16-0x0000000010000000-0x0000000010033000-memory.dmp

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memory/1752-0-0x0000000000400000-0x0000000000471000-memory.dmp

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memory/1752-2-0x0000000000400000-0x0000000000471000-memory.dmp

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memory/4944-7-0x0000000000400000-0x0000000000471000-memory.dmp

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