farfli | 946b448ee6777a7889a10c4e47fe33aaec11e9a72443db2af410279451fb5bc1

Analysis

max time kernel
148s
max time network
137s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
25/09/2026, 23:03

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General

Target
2026-09-25_8e3102624920e79a4d7802c8e59efce5_coinminer_elex_wannacry.exe
Size 232KB
Sample260925-215mnayeka
SHA256 946b448ee6777a7889a10c4e47fe33aaec11e9a72443db2af410279451fb5bc1
MD5 8e3102624920e79a4d7802c8e59efce5
SHA1 521c0be3cea094ab2b403192e5d0dc0cecf58b81
SHA512 e6b75d2add7ca37262a1a12e86e4aacf48fe531371e19bb4c2b2b4e5afad7403a3b4759884cfe5b16f509a081c2e290ddc876aa288a939dc19b7c578104532a2
SSDEEP 6144:eMgmYA/npA6SUqfjKfr4QdsICWkZ3h1SLCDFqnetKSo:tgmYA/nsYf8QdsINkZ6CQetF
TLSH
T1BD34F18136A6CD77F0621B7E4D7B163B8536BE651B00B48BD3C4AD4FB4319E46E2E209
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

backdoor bootkit defense_evasion discovery execution farfli gh0strat persistence rat spyware stealer

Malware Config

Extracted

Family

gh0strat

98.126.40.18:3204
http://98.126.40.19:805/index.php
http://98.126.40.20:803/

Attributes

user_agent
Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.1; Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C))

Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.0)

Signatures

Family: Farfli
Farfli is a Windows backdoor written in C++.
backdoor farfli
Family: Gh0strat
Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.
rat gh0strat

Detects Farfli Backdoor 3 IoCs

resource	yara_rule
behavioral2/memory/6108-13-0x0000000010000000-0x000000001006D000-memory.dmp	family_farfli
behavioral2/memory/6108-10-0x0000000010000000-0x000000001006D000-memory.dmp	family_farfli
behavioral2/memory/6108-14-0x0000000010000000-0x000000001006D000-memory.dmp	family_farfli

Detects executables containing base64 encoded User Agent 3 IoCs

resource	yara_rule
behavioral2/memory/6108-13-0x0000000010000000-0x000000001006D000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/6108-10-0x0000000010000000-0x000000001006D000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/6108-14-0x0000000010000000-0x000000001006D000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent

UPX dump on OEP (original entry point) 4 IoCs

resource	yara_rule
behavioral2/memory/5868-0-0x0000000000400000-0x0000000000468000-memory.dmp	UPX
behavioral2/memory/5868-2-0x0000000000400000-0x0000000000468000-memory.dmp	UPX
behavioral2/files/0x000900000001b846-3.dat	UPX
behavioral2/memory/3240-7-0x0000000000400000-0x0000000000468000-memory.dmp	UPX

Deletes itself 1 TTPs 1 IoCs

defense_evasion

File Deletion

T1070.004

pid	Process
3240	wxjxt.exe

Executes dropped EXE 2 IoCs

pid	Process
3240	wxjxt.exe
6108	elwotf.exe

Loads dropped DLL 1 IoCs

pid	Process
6108	elwotf.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\it = "c:\\Program Files\\soemfvzpr\\elwotf.exe \"c:\\Program Files\\soemfvzpr\\elwotf.dll\",Interface"	elwotf.exe

Enumerates connected drives 3 TTPs 24 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:	elwotf.exe
File opened (read-only)	\??\m:	elwotf.exe
File opened (read-only)	\??\s:	elwotf.exe
File opened (read-only)	\??\u:	elwotf.exe
	\??\f:\	elwotf.exe
File opened (read-only)	\??\g:	elwotf.exe
File opened (read-only)	\??\n:	elwotf.exe
File opened (read-only)	\??\p:	elwotf.exe
File opened (read-only)	\??\r:	elwotf.exe
File opened (read-only)	\??\v:	elwotf.exe
File opened (read-only)	\??\y:	elwotf.exe
File opened (read-only)	\??\o:	elwotf.exe
File opened (read-only)	\??\d:	elwotf.exe
File opened (read-only)	\??\h:	elwotf.exe
File opened (read-only)	\??\t:	elwotf.exe
File opened (read-only)	\??\z:	elwotf.exe
File opened (read-only)	\??\a:	elwotf.exe
File opened (read-only)	\??\q:	elwotf.exe
File opened (read-only)	\??\w:	elwotf.exe
File opened (read-only)	\??\x:	elwotf.exe
File opened (read-only)	\??\b:	elwotf.exe
File opened (read-only)	\??\i:	elwotf.exe
File opened (read-only)	\??\j:	elwotf.exe
File opened (read-only)	\??\k:	elwotf.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	elwotf.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	\??\c:\Program Files\soemfvzpr	wxjxt.exe
File created	\??\c:\Program Files\soemfvzpr\elwotf.dll	wxjxt.exe
File created	\??\c:\Program Files\soemfvzpr\elwotf.exe	wxjxt.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
3692	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	elwotf.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	elwotf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-09-25_8e3102624920e79a4d7802c8e59efce5_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	wxjxt.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
3692	cmd.exe
1660	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	elwotf.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	elwotf.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1660	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
6108	elwotf.exe
6108	elwotf.exe
6108	elwotf.exe
6108	elwotf.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	6108	elwotf.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
5868	2026-09-25_8e3102624920e79a4d7802c8e59efce5_coinminer_elex_wannacry.exe
3240	wxjxt.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 5868 wrote to memory of 3692	5868	2026-09-25_8e3102624920e79a4d7802c8e59efce5_coinminer_elex_wannacry.exe	89
PID 3692 wrote to memory of 1660	3692	cmd.exe	91
PID 3692 wrote to memory of 3240	3692	cmd.exe	92
PID 3240 wrote to memory of 6108	3240	wxjxt.exe	93

C:\Users\Admin\AppData\Local\Temp\2026-09-25_8e3102624920e79a4d7802c8e59efce5_coinminer_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-09-25_8e3102624920e79a4d7802c8e59efce5_coinminer_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5868
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\wxjxt.exe "C:\Users\Admin\AppData\Local\Temp\2026-09-25_8e3102624920e79a4d7802c8e59efce5_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:3692
- - 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:1660
- - C:\Users\Admin\AppData\Local\Temp\wxjxt.exe
    C:\Users\Admin\AppData\Local\Temp\\wxjxt.exe "C:\Users\Admin\AppData\Local\Temp\2026-09-25_8e3102624920e79a4d7802c8e59efce5_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:3240
  - - \??\c:\Program Files\soemfvzpr\elwotf.exe
      "c:\Program Files\soemfvzpr\elwotf.exe" "c:\Program Files\soemfvzpr\elwotf.dll",Interface C:\Users\Admin\AppData\Local\Temp\wxjxt.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:6108

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

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Downloads

elwotf.exe

Path C:\Program Files\soemfvzpr\elwotf.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

wxjxt.exe

Path C:\Users\Admin\AppData\Local\Temp\wxjxt.exe
Size 233KB
SHA256 587e93c63d87fa0e9c8da0dc8ce9040cda7efbb2fae8c0c90d4445b781cb6c58
MD5 68c6b575a8d2213a5589389db9104c56
SHA1 6f019b3840e6954e004eec2f04836bb1429dded8
SHA512 cdeabe455b983fa88edcef4a3a5dd8bb2da0f02e0cf69ad4c45040b5fb8c5469e98810913f554ee041b9dc11a6c86f21c92cdae386c37df0d42de5adb8fd69f2
SSDEEP 6144:eMgmYA/npA6SUqfjKfr4QdsICWkZ3h1SLCDFqnetKSov:tgmYA/nsYf8QdsINkZ6CQetF0
TLSH
T18634F18136A5CD77F0621B7E4D7B163B8536BE651B00B09BD3C4AD4FB4319E46E2E209
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

elwotf.dll

Path \??\c:\Program Files\soemfvzpr\elwotf.dll
Size 168KB
SHA256 2d130ee21659597f8749b6c2f3f5e9810d1553cee860f7ae32c7f6d0b2767513
MD5 37cec5cf0e8046f6e5383bf46b09f48b
SHA1 dd3db6482a20afcd6668d70c51d5457f4122a301
SHA512 b504c356018ee8457f1d750b668ab7143a5f02f8d030108d8458cc289717e59b553a035f7189bbf6a3b51307f0f88515bfe195342faf37ac943de970ca0f0c52
SSDEEP 3072:S25S8qsPfVoCxEI5GRycgzQkf2+JKC8L1MwwYsg89R5gZMd:SJ8T1xE3ocg9f2nfLnwYsxf2Z4
TLSH
T17BF302D3EFA649E0C4361BB07C53C10FB8620C6498715B5643D9FEEA3DA668E453D3A1
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/3240-7-0x0000000000400000-0x0000000000468000-memory.dmp

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memory/5868-0-0x0000000000400000-0x0000000000468000-memory.dmp

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memory/5868-2-0x0000000000400000-0x0000000000468000-memory.dmp

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memory/6108-13-0x0000000010000000-0x000000001006D000-memory.dmp

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memory/6108-10-0x0000000010000000-0x000000001006D000-memory.dmp

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memory/6108-14-0x0000000010000000-0x000000001006D000-memory.dmp

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