farfli | 7dc4188a1e953b89314c359f5057302cae17b61248c8c083ee7554367e3ca8b8

Analysis

max time kernel
148s
max time network
136s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260629-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
02/07/2026, 22:52

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
2026-07-02_46ff5149a4d829d7ba23ebc4d09103cb_coinminer_elex_wannacry.exe
Size 295KB
Sample260702-2tpb4af18s
SHA256 7dc4188a1e953b89314c359f5057302cae17b61248c8c083ee7554367e3ca8b8
MD5 46ff5149a4d829d7ba23ebc4d09103cb
SHA1 5b76366599c509048754a0ab367ad2fda9444687
SHA512 b51182752d3df3f6cf0c759c9c86803efa14e6fc771c77c4c52f8f83e02f5493abc991599047ff4b59aea8e0b6b10e22c5d3f648f626a6b3c9c4035e9cd544cb
SSDEEP 6144:glYAIeOcaxmlJaErfbMCurC7xS3ZMOBnskyrOg:ywLcCmuErglr73aAD+z
TLSH
T143540282E501DF07EC3FC7B6813E5E291217AF621B705597D3C4B91E26B3682B63A0D9
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/1608-14-0x0000000010000000-0x0000000010058000-memory.dmp	family_farfli
behavioral2/memory/1608-11-0x0000000010000000-0x0000000010058000-memory.dmp	family_farfli
behavioral2/memory/1608-15-0x0000000010000000-0x0000000010058000-memory.dmp	family_farfli
behavioral2/memory/1608-18-0x0000000010000000-0x0000000010058000-memory.dmp	family_farfli
behavioral2/memory/1608-19-0x0000000010000000-0x0000000010058000-memory.dmp	family_farfli
behavioral2/memory/1608-20-0x0000000010000000-0x0000000010058000-memory.dmp	family_farfli
behavioral2/memory/1608-21-0x0000000010000000-0x0000000010058000-memory.dmp	family_farfli

Detects executables containing base64 encoded User Agent 7 IoCs

resource	yara_rule
behavioral2/memory/1608-14-0x0000000010000000-0x0000000010058000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/1608-11-0x0000000010000000-0x0000000010058000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/1608-15-0x0000000010000000-0x0000000010058000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/1608-18-0x0000000010000000-0x0000000010058000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/1608-19-0x0000000010000000-0x0000000010058000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/1608-20-0x0000000010000000-0x0000000010058000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/1608-21-0x0000000010000000-0x0000000010058000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent

UPX dump on OEP (original entry point) 4 IoCs

resource	yara_rule
behavioral2/memory/5764-0-0x0000000000400000-0x0000000000483000-memory.dmp	UPX
behavioral2/memory/5764-2-0x0000000000400000-0x0000000000483000-memory.dmp	UPX
behavioral2/files/0x00160000000115aa-3.dat	UPX
behavioral2/memory/1360-6-0x0000000000400000-0x0000000000483000-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	1608	rundll32.exe
2	1608	rundll32.exe
4	1608	rundll32.exe
5	1608	rundll32.exe
8	1608	rundll32.exe
9	1608	rundll32.exe
10	1608	rundll32.exe
11	1608	rundll32.exe

Deletes itself 1 IoCs

pid	Process
1360	gadjg.exe

Executes dropped EXE 1 IoCs

pid	Process
1360	gadjg.exe

Loads dropped DLL 1 IoCs

pid	Process
1608	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-1-5-21-3047816590-610495838-277027736-1000\Software\Microsoft\Windows\CurrentVersion\Run\Wetor = "c:\\windows\\SysWOW64\\rundll32.exe \"c:\\Program Files\\nkamsx\\oxxwb.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)	\??\q:	rundll32.exe
File opened (read-only)	\??\u:	rundll32.exe
File opened (read-only)	\??\w:	rundll32.exe
File opened (read-only)	\??\b:	rundll32.exe
File opened (read-only)	\??\g:	rundll32.exe
File opened (read-only)	\??\i:	rundll32.exe
File opened (read-only)	\??\m:	rundll32.exe
File opened (read-only)	\??\n:	rundll32.exe
File opened (read-only)	\??\o:	rundll32.exe
File opened (read-only)	\??\x:	rundll32.exe
File opened (read-only)	\??\z:	rundll32.exe
File opened (read-only)	\??\h:	rundll32.exe
File opened (read-only)	\??\t:	rundll32.exe
File opened (read-only)	\??\a:	rundll32.exe
File opened (read-only)	\??\k:	rundll32.exe
File opened (read-only)	\??\l:	rundll32.exe
File opened (read-only)	\??\p:	rundll32.exe
File opened (read-only)	\??\r:	rundll32.exe
File opened (read-only)	\??\s:	rundll32.exe
File opened (read-only)	\??\v:	rundll32.exe
File opened (read-only)	\??\y:	rundll32.exe
File opened (read-only)	\??\d:	rundll32.exe
File opened (read-only)	\??\j:	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/5764-0-0x0000000000400000-0x0000000000483000-memory.dmp	upx
behavioral2/memory/5764-2-0x0000000000400000-0x0000000000483000-memory.dmp	upx
behavioral2/files/0x00160000000115aa-3.dat	upx
behavioral2/memory/1360-6-0x0000000000400000-0x0000000000483000-memory.dmp	upx

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File opened for modification	\??\c:\Program Files\nkamsx	gadjg.exe
File created	\??\c:\Program Files\nkamsx\oxxwb.dll	gadjg.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	2026-07-02_46ff5149a4d829d7ba23ebc4d09103cb_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	gadjg.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
3172	cmd.exe
3696	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
3696	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1608	rundll32.exe
1608	rundll32.exe
1608	rundll32.exe
1608	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1608	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
5764	2026-07-02_46ff5149a4d829d7ba23ebc4d09103cb_coinminer_elex_wannacry.exe
1360	gadjg.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 5764 wrote to memory of 3172	5764	2026-07-02_46ff5149a4d829d7ba23ebc4d09103cb_coinminer_elex_wannacry.exe	88
PID 3172 wrote to memory of 3696	3172	cmd.exe	90
PID 3172 wrote to memory of 1360	3172	cmd.exe	91
PID 1360 wrote to memory of 1608	1360	gadjg.exe	92

C:\Users\Admin\AppData\Local\Temp\2026-07-02_46ff5149a4d829d7ba23ebc4d09103cb_coinminer_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-02_46ff5149a4d829d7ba23ebc4d09103cb_coinminer_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5764
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\gadjg.exe "C:\Users\Admin\AppData\Local\Temp\2026-07-02_46ff5149a4d829d7ba23ebc4d09103cb_coinminer_elex_wannacry.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:3172
- - 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:3696
- - C:\Users\Admin\AppData\Local\Temp\gadjg.exe
    C:\Users\Admin\AppData\Local\Temp\\gadjg.exe "C:\Users\Admin\AppData\Local\Temp\2026-07-02_46ff5149a4d829d7ba23ebc4d09103cb_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:1360
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\Program Files\nkamsx\oxxwb.dll",GetProc C:\Users\Admin\AppData\Local\Temp\gadjg.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:1608

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

Loading Replay Monitor...

Downloads

gadjg.exe

Path C:\Users\Admin\AppData\Local\Temp\gadjg.exe
Size 295KB
SHA256 6bc3cfc08768a2c8bcbac215eb9c2caea9f9d60c30f8bd5733e303614efd3b8f
MD5 34b14eece2936a51dfdd56e34a482509
SHA1 181a83d4fd1d2b1649c10b06e37e16b670386d80
SHA512 1c3e570d1d77de4546ddd24c609d8ef09604bfc9ce0f43eb886127b7164c1c0d29afef5783c07e3378f0b6d4d72527bda30e919c19ba8e11d0862052e2f05f57
SSDEEP 6144:glYAIeOcaxmlJaErfbMCurC7xS3ZMOBnskyrOl:ywLcCmuErglr73aAD+w
TLSH
T1FE540282E501DF07EC2FC7B6813E5E291217AF522B705597D3C4B91E26B3682B63E0D9
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

oxxwb.dll

Path \??\c:\Program Files\nkamsx\oxxwb.dll
Size 218KB
SHA256 d2bc7ab20fed26cf77173417979758040cb3a050381dc4a2fc40826a9768beb5
MD5 114d37b2dfe0650cbc412f8ab7cba0b3
SHA1 e25a0e032e91b7b8b929ca55023a64a06a35cb71
SHA512 024e4faa751ae8ebf66e88f3a25cfcdf7ee882399a465890b4288c3b224b4770bb69fcfc16073175513ad767cb0232bb6c7f31bc9fea47ef2d18e1c7c8a79e45
SSDEEP 6144:KORxNwD2VOidhzeXwddDzLi5vOQEqscr0ZTJauytJ:pnNwDTi3swddDiROXIv
TLSH
T19E24128BCF983873C5223379597951A0B9325290AFA1534D93E6D34FA072BA2CF7B531
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1360-6-0x0000000000400000-0x0000000000483000-memory.dmp

Download

memory/1608-14-0x0000000010000000-0x0000000010058000-memory.dmp

Download

memory/1608-10-0x0000000000A80000-0x0000000000A81000-memory.dmp

Download

memory/1608-11-0x0000000010000000-0x0000000010058000-memory.dmp

Download

memory/1608-9-0x0000000010000000-0x0000000010058000-memory.dmp

Download

memory/1608-15-0x0000000010000000-0x0000000010058000-memory.dmp

Download

memory/1608-16-0x0000000000A80000-0x0000000000A81000-memory.dmp

Download

memory/1608-18-0x0000000010000000-0x0000000010058000-memory.dmp

Download

memory/1608-19-0x0000000010000000-0x0000000010058000-memory.dmp

Download

memory/1608-20-0x0000000010000000-0x0000000010058000-memory.dmp

Download

memory/1608-21-0x0000000010000000-0x0000000010058000-memory.dmp

Download

memory/5764-2-0x0000000000400000-0x0000000000483000-memory.dmp

Download

memory/5764-0-0x0000000000400000-0x0000000000483000-memory.dmp

Download