farfli | a1a1836cf727f384815acc31aae9b6c361d31ff74a60091660b13f3b3d935e2a

Analysis

max time kernel
148s
max time network
137s
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, 09:12

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General

Target
2026-07-15_e16e468fb71997cde5231c982a42b424_coinminer_elex_wannacry.exe
Size 294KB
Sample260715-k6f3tags2n
SHA256 a1a1836cf727f384815acc31aae9b6c361d31ff74a60091660b13f3b3d935e2a
MD5 e16e468fb71997cde5231c982a42b424
SHA1 08c9c6a748c7fe58bf9c9105c03587f851c5134b
SHA512 7f660cd1323912578ad311d739a6c4f3a879d1a06917214b785cfb07f244017d4961e66e9da4ad26caaa4cba89c46f9c05c46df09fbc120c4e10310038092623
SSDEEP 6144:glYAIeOcaxmlJaErfbMCurC7xS3ZMOBnskyrO:ywLcCmuErglr73aAD+
TLSH
T132540282E502DF07EC3FC7B6813E5E291217AF521B705597D3C4B91E26B3682B63A0D9
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

backdoor bootkit discovery 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
behavioral2/memory/940-12-0x0000000010000000-0x0000000010058000-memory.dmp	family_farfli
behavioral2/memory/940-10-0x0000000010000000-0x0000000010058000-memory.dmp	family_farfli
behavioral2/memory/940-15-0x0000000010000000-0x0000000010058000-memory.dmp	family_farfli
behavioral2/memory/940-17-0x0000000010000000-0x0000000010058000-memory.dmp	family_farfli
behavioral2/memory/940-18-0x0000000010000000-0x0000000010058000-memory.dmp	family_farfli
behavioral2/memory/940-19-0x0000000010000000-0x0000000010058000-memory.dmp	family_farfli
behavioral2/memory/940-20-0x0000000010000000-0x0000000010058000-memory.dmp	family_farfli

Detects executables containing base64 encoded User Agent 7 IoCs

resource	yara_rule
behavioral2/memory/940-12-0x0000000010000000-0x0000000010058000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/940-10-0x0000000010000000-0x0000000010058000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/940-15-0x0000000010000000-0x0000000010058000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/940-17-0x0000000010000000-0x0000000010058000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/940-18-0x0000000010000000-0x0000000010058000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/940-19-0x0000000010000000-0x0000000010058000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/940-20-0x0000000010000000-0x0000000010058000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent

UPX dump on OEP (original entry point) 4 IoCs

resource	yara_rule
behavioral2/memory/3644-0-0x0000000000400000-0x0000000000483000-memory.dmp	UPX
behavioral2/memory/3644-2-0x0000000000400000-0x0000000000483000-memory.dmp	UPX
behavioral2/files/0x000a00000001b315-3.dat	UPX
behavioral2/memory/1008-6-0x0000000000400000-0x0000000000483000-memory.dmp	UPX

Badlisted process makes network request 8 IoCs

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

flow	pid	Process
1	940	rundll32.exe
4	940	rundll32.exe
5	940	rundll32.exe
6	940	rundll32.exe
7	940	rundll32.exe
9	940	rundll32.exe
11	940	rundll32.exe
12	940	rundll32.exe

Deletes itself 1 IoCs

pid	Process
1008	bpdhqqw.exe

Executes dropped EXE 1 IoCs

pid	Process
1008	bpdhqqw.exe

Loads dropped DLL 1 IoCs

pid	Process
940	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-1-5-21-1875162379-3804078649-638427191-1000\Software\Microsoft\Windows\CurrentVersion\Run\Wetor = "c:\\windows\\SysWOW64\\rundll32.exe \"c:\\Program Files\\lblnx\\shaokea.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)	\??\l:	rundll32.exe
File opened (read-only)	\??\n:	rundll32.exe
File opened (read-only)	\??\x:	rundll32.exe
File opened (read-only)	\??\a:	rundll32.exe
File opened (read-only)	\??\g:	rundll32.exe
File opened (read-only)	\??\k:	rundll32.exe
File opened (read-only)	\??\p:	rundll32.exe
File opened (read-only)	\??\q:	rundll32.exe
File opened (read-only)	\??\r:	rundll32.exe
File opened (read-only)	\??\u:	rundll32.exe
File opened (read-only)	\??\v:	rundll32.exe
File opened (read-only)	\??\j:	rundll32.exe
File opened (read-only)	\??\m:	rundll32.exe
File opened (read-only)	\??\s:	rundll32.exe
File opened (read-only)	\??\y:	rundll32.exe
File opened (read-only)	\??\b:	rundll32.exe
File opened (read-only)	\??\h:	rundll32.exe
File opened (read-only)	\??\i:	rundll32.exe
File opened (read-only)	\??\o:	rundll32.exe
File opened (read-only)	\??\t:	rundll32.exe
File opened (read-only)	\??\w:	rundll32.exe
File opened (read-only)	\??\z:	rundll32.exe
File opened (read-only)	\??\d:	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
behavioral2/memory/3644-0-0x0000000000400000-0x0000000000483000-memory.dmp	upx
behavioral2/memory/3644-2-0x0000000000400000-0x0000000000483000-memory.dmp	upx
behavioral2/files/0x000a00000001b315-3.dat	upx
behavioral2/memory/1008-6-0x0000000000400000-0x0000000000483000-memory.dmp	upx

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File opened for modification	\??\c:\Program Files\lblnx	bpdhqqw.exe
File created	\??\c:\Program Files\lblnx\shaokea.dll	bpdhqqw.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	2026-07-15_e16e468fb71997cde5231c982a42b424_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	bpdhqqw.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
3144	cmd.exe
2636	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
2636	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
940	rundll32.exe
940	rundll32.exe
940	rundll32.exe
940	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	940	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3644	2026-07-15_e16e468fb71997cde5231c982a42b424_coinminer_elex_wannacry.exe
1008	bpdhqqw.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3644 wrote to memory of 3144	3644	2026-07-15_e16e468fb71997cde5231c982a42b424_coinminer_elex_wannacry.exe	87
PID 3144 wrote to memory of 2636	3144	cmd.exe	89
PID 3144 wrote to memory of 1008	3144	cmd.exe	90
PID 1008 wrote to memory of 940	1008	bpdhqqw.exe	91

C:\Users\Admin\AppData\Local\Temp\2026-07-15_e16e468fb71997cde5231c982a42b424_coinminer_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-15_e16e468fb71997cde5231c982a42b424_coinminer_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3644
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\bpdhqqw.exe "C:\Users\Admin\AppData\Local\Temp\2026-07-15_e16e468fb71997cde5231c982a42b424_coinminer_elex_wannacry.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:3144
- - 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:2636
- - C:\Users\Admin\AppData\Local\Temp\bpdhqqw.exe
    C:\Users\Admin\AppData\Local\Temp\\bpdhqqw.exe "C:\Users\Admin\AppData\Local\Temp\2026-07-15_e16e468fb71997cde5231c982a42b424_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:1008
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\Program Files\lblnx\shaokea.dll",GetProc C:\Users\Admin\AppData\Local\Temp\bpdhqqw.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:940

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

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Downloads

bpdhqqw.exe

Path C:\Users\Admin\AppData\Local\Temp\bpdhqqw.exe
Size 295KB
SHA256 8d9404f44973448aa83afe9f3a735b16d2a283b09cd299f678856455b23f88d5
MD5 a8da06807d3396bc390f8c7dd7d2ba51
SHA1 69f3ce6f1ad5df63135415768c744a8929af33e9
SHA512 9946743eb8134173ec79ce80f71f5744f94d2adf4db9d9f13b68630a76678f54b3df9e5f5160a3fc15f94e9d118dd5b57e4b13cadc011a22d1326075090e984f
SSDEEP 6144:glYAIeOcaxmlJaErfbMCurC7xS3ZMOBnskyrOp:ywLcCmuErglr73aAD+C
TLSH
T148540282E502DF07EC3FC7B6813E5E291217AF521B705597D3C4B91E26B3682B63A0D9
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

shaokea.dll

Path \??\c:\Program Files\lblnx\shaokea.dll
Size 218KB
SHA256 91695c95d9b8811986ca5c8dff98e8ba33977785867a5cf765c8048179aa3ece
MD5 530d38c3c46e38ce4749a41fb405e267
SHA1 d91357d7caa328ebfa8963dfdd3c26a1dd27a3b8
SHA512 418421c453fe151140306d1edb96a3d84f47538de1920a3a8bfc717efce228fdb016a31b36ec75f69b80328c53d1e663526e7ebf4529f7e18f1e64c9df440c37
SSDEEP 6144:KORxNwD2VOidhzeXwddDzLi5vOQEqscr0ZTJauyt0:pnNwDTi3swddDiROXIS
TLSH
T1CA24128BCF983873C5223379597951A0B9725290AFA1530D92E6D34FA072BA2CF7B531
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/940-15-0x0000000010000000-0x0000000010058000-memory.dmp

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memory/940-9-0x0000000010000000-0x0000000010058000-memory.dmp

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memory/940-14-0x0000000000DE0000-0x0000000000DE1000-memory.dmp

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memory/940-12-0x0000000010000000-0x0000000010058000-memory.dmp

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memory/940-10-0x0000000010000000-0x0000000010058000-memory.dmp

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memory/940-17-0x0000000010000000-0x0000000010058000-memory.dmp

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memory/940-18-0x0000000010000000-0x0000000010058000-memory.dmp

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memory/940-19-0x0000000010000000-0x0000000010058000-memory.dmp

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memory/940-20-0x0000000010000000-0x0000000010058000-memory.dmp

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memory/1008-6-0x0000000000400000-0x0000000000483000-memory.dmp

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memory/3644-2-0x0000000000400000-0x0000000000483000-memory.dmp

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memory/3644-0-0x0000000000400000-0x0000000000483000-memory.dmp

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