farfli | fc415ff9f2c75e7fbc59dbb59602b1ddf3d136f55703539a4d7fd64f7e6a7083

Analysis

max time kernel
150s
max time network
147s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
24/10/2026, 18:35

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General

Target
2026-10-22_27e7ab35b40a7e77b1480b8e44c5e4c7_coinminer_elex_wannacry.exe
Size 401KB
Sample261024-w8la4afe39
SHA256 fc415ff9f2c75e7fbc59dbb59602b1ddf3d136f55703539a4d7fd64f7e6a7083
MD5 27e7ab35b40a7e77b1480b8e44c5e4c7
SHA1 ba387c5edb3f954536fd3b646ba3ec19ca4de58d
SHA512 2ae5823bbab750655e4aca3e082da0da3fef86c9dbef38276c77e134b18985b27afa121fae341ff5b5e1e7a5784d8c99ceead2b9a237c78fe6eeafc9b052f27a
SSDEEP 12288:zdDU6g13sJd1fm/+yb3O2js82ydU/DdKumH2:zdE3sJd1fm/+yb3OYs84/JH62
TLSH
T1FA94AF01E68351D6DE8225B081FA7376B378DA4D0F12C7E3BB68EE2E6E211D1953B119
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

backdoor bootkit defense_evasion discovery execution farfli persistence spyware stealer

Malware Config

Signatures

Family: Farfli
Farfli is a Windows backdoor written in C++.
backdoor farfli

Detects Farfli Backdoor 4 IoCs

resource	yara_rule
behavioral2/memory/2988-10-0x0000000010000000-0x0000000010033000-memory.dmp	family_farfli
behavioral2/memory/2988-11-0x0000000010000000-0x0000000010033000-memory.dmp	family_farfli
behavioral2/memory/2988-13-0x0000000010000000-0x0000000010033000-memory.dmp	family_farfli
behavioral2/memory/2988-16-0x0000000010000000-0x0000000010033000-memory.dmp	family_farfli

Detects executables containing base64 encoded User Agent 4 IoCs

resource	yara_rule
behavioral2/memory/2988-10-0x0000000010000000-0x0000000010033000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/2988-11-0x0000000010000000-0x0000000010033000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/2988-13-0x0000000010000000-0x0000000010033000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/2988-16-0x0000000010000000-0x0000000010033000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent

UPX dump on OEP (original entry point) 9 IoCs

resource	yara_rule
behavioral2/memory/3648-0-0x0000000000400000-0x0000000000471000-memory.dmp	UPX
behavioral2/memory/3648-2-0x0000000000400000-0x0000000000471000-memory.dmp	UPX
behavioral2/files/0x000500000000053e-3.dat	UPX
behavioral2/memory/3372-7-0x0000000000400000-0x0000000000471000-memory.dmp	UPX
behavioral2/files/0x00050000000187c7-8.dat	UPX
behavioral2/memory/2988-10-0x0000000010000000-0x0000000010033000-memory.dmp	UPX
behavioral2/memory/2988-11-0x0000000010000000-0x0000000010033000-memory.dmp	UPX
behavioral2/memory/2988-13-0x0000000010000000-0x0000000010033000-memory.dmp	UPX
behavioral2/memory/2988-16-0x0000000010000000-0x0000000010033000-memory.dmp	UPX

Deletes itself 1 TTPs 1 IoCs

defense_evasion

File Deletion

T1070.004

pid	Process
3372	iztea.exe

Executes dropped EXE 2 IoCs

pid	Process
3372	iztea.exe
2988	dgko.exe

Loads dropped DLL 1 IoCs

pid	Process
2988	dgko.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-1-5-21-4154726816-2055034831-2297277433-1000\Software\Microsoft\Windows\CurrentVersion\Run\VIEW = "c:\\Program Files\\cxhnvwh\\dgko.exe \"c:\\Program Files\\cxhnvwh\\dgkox.dll\",Viewer"	dgko.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)	\??\h:	dgko.exe
File opened (read-only)	\??\o:	dgko.exe
File opened (read-only)	\??\p:	dgko.exe
File opened (read-only)	\??\t:	dgko.exe
File opened (read-only)	\??\x:	dgko.exe
File opened (read-only)	\??\z:	dgko.exe
File opened (read-only)	\??\a:	dgko.exe
File opened (read-only)	\??\g:	dgko.exe
File opened (read-only)	\??\k:	dgko.exe
File opened (read-only)	\??\s:	dgko.exe
File opened (read-only)	\??\u:	dgko.exe
File opened (read-only)	\??\v:	dgko.exe
File opened (read-only)	\??\y:	dgko.exe
File opened (read-only)	\??\b:	dgko.exe
File opened (read-only)	\??\d:	dgko.exe
File opened (read-only)	\??\i:	dgko.exe
File opened (read-only)	\??\m:	dgko.exe
File opened (read-only)	\??\q:	dgko.exe
File opened (read-only)	\??\w:	dgko.exe
File opened (read-only)	\??\j:	dgko.exe
File opened (read-only)	\??\l:	dgko.exe
File opened (read-only)	\??\n:	dgko.exe
File opened (read-only)	\??\r:	dgko.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	dgko.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	\??\c:\Program Files\cxhnvwh\dgko.exe	iztea.exe
File opened for modification	\??\c:\Program Files\cxhnvwh	iztea.exe
File created	\??\c:\Program Files\cxhnvwh\dgkox.dll	iztea.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
1084	cmd.exe

Reads the TCP/IP host and domain name from the registry 1 TTPs 1 IoCs

The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

discovery

System Network Configuration Discovery

T1016

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname	dgko.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	2026-10-22_27e7ab35b40a7e77b1480b8e44c5e4c7_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	iztea.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dgko.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
1084	cmd.exe
4084	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	dgko.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	dgko.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4084	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2988	dgko.exe
2988	dgko.exe
2988	dgko.exe
2988	dgko.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2988	dgko.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3648	2026-10-22_27e7ab35b40a7e77b1480b8e44c5e4c7_coinminer_elex_wannacry.exe
3372	iztea.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3648 wrote to memory of 1084	3648	2026-10-22_27e7ab35b40a7e77b1480b8e44c5e4c7_coinminer_elex_wannacry.exe	91
PID 1084 wrote to memory of 4084	1084	cmd.exe	93
PID 1084 wrote to memory of 3372	1084	cmd.exe	94
PID 3372 wrote to memory of 2988	3372	iztea.exe	95

C:\Users\Admin\AppData\Local\Temp\2026-10-22_27e7ab35b40a7e77b1480b8e44c5e4c7_coinminer_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-10-22_27e7ab35b40a7e77b1480b8e44c5e4c7_coinminer_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3648
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\iztea.exe "C:\Users\Admin\AppData\Local\Temp\2026-10-22_27e7ab35b40a7e77b1480b8e44c5e4c7_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:1084
- - 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:4084
- - C:\Users\Admin\AppData\Local\Temp\iztea.exe
    C:\Users\Admin\AppData\Local\Temp\\iztea.exe "C:\Users\Admin\AppData\Local\Temp\2026-10-22_27e7ab35b40a7e77b1480b8e44c5e4c7_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:3372
  - - \??\c:\Program Files\cxhnvwh\dgko.exe
      "c:\Program Files\cxhnvwh\dgko.exe" "c:\Program Files\cxhnvwh\dgkox.dll",Viewer C:\Users\Admin\AppData\Local\Temp\iztea.exe
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      Adds Run key to start application
      Enumerates connected drives
      Writes to the Master Boot Record (MBR)
      Reads the TCP/IP host and domain name from the registry
      System Location Discovery: System Language Discovery
      Checks processor information in registry
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2988

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k GPSvcGroup
1⤵
PID:1916

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

Indicator Removal

T1070

File Deletion

T1070.004

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

dgko.exe

Path C:\Program Files\cxhnvwh\dgko.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

iztea.exe

Path C:\Users\Admin\AppData\Local\Temp\iztea.exe
Size 402KB
SHA256 f9f231e4ded500566fe430a4f8031d5ebe2de09faa3a524ba688c727d816eb35
MD5 3d00cdb03d390e91491c7e48a112c2e3
SHA1 8cd5a3e98845d24429b7fd4e6014f3c4f903edee
SHA512 ad38b82448a6f96908588b830452501a4b359818167f9cc868629f505beb5331076fbc63973dd02a3dbc2c92932e8e602af2a9d5ede064466edb6c08d7ecb295
SSDEEP 12288:zdDU6g13sJd1fm/+yb3O2js82ydU/DdKumHS:zdE3sJd1fm/+yb3OYs84/JH6S
TLSH
T1C394AF01E78351D6DE8225B081FA7376B378DA4D0F12C7E3BB68EE2E6E211D1953B119
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

dgkox.dll

Path \??\c:\Program Files\cxhnvwh\dgkox.dll
Size 89KB
SHA256 175fb20df0ab3d4b1841616ffa8863acacc967a9a36cb7f58a3dad5677ce4ddd
MD5 8d84362c1e65dae1ff0cf029fe1c6d09
SHA1 cd460a0378e9ca5b867da3bb1946595bc76df48f
SHA512 a3eda56ac2bc9d8257b4a8bf9be1e3ada68dcbdd9ef25591fcc7bea62fe666b4115595271e121b0ffa1a4e0f9b93542bb6f745f8eaa906352bb4b83af00c046b
SSDEEP 1536:XHXqO6ZG03eyenOj9lgA/PObuTMT5NMCfL7ojaZf5aZlBlGm:M1uF6Feu2NlQOBcGm
TLSH
T1739302C41665CD8BCCD87072726FAA4EE631C48CB981ACB34A5E17A31A36AF3D01A745
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2988-10-0x0000000010000000-0x0000000010033000-memory.dmp

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memory/2988-11-0x0000000010000000-0x0000000010033000-memory.dmp

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memory/2988-13-0x0000000010000000-0x0000000010033000-memory.dmp

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memory/2988-16-0x0000000010000000-0x0000000010033000-memory.dmp

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memory/3372-7-0x0000000000400000-0x0000000000471000-memory.dmp

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memory/3648-0-0x0000000000400000-0x0000000000471000-memory.dmp

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memory/3648-2-0x0000000000400000-0x0000000000471000-memory.dmp

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