farfli | 873d21a45162c99e096ebd0cdf6e3fd72d868726cd00b9c97a353975941a3f63

General

Target
2026-07-31_7a8d228c7cc041f6a9df51884522f649_coinminer_elex_wannacry.exe
Size 310KB
Sample260731-webvkaxerd
SHA256 873d21a45162c99e096ebd0cdf6e3fd72d868726cd00b9c97a353975941a3f63
MD5 7a8d228c7cc041f6a9df51884522f649
SHA1 6c776b6ad575724b35aa09200fd4e7a32cf8b38a
SHA512 f1748b99c29b347d2b4b12d999d0e44d2e10d28e81a3655c81e3de32240807a0a447620b80ed1908b0c4cf54a66c305eb10d929186ea34ebdcbf1bba54c8f927
SSDEEP 6144:VRoSgW/zYds0SfxsTxt3YeWH8k+p+Nj8DmILV:ASf/zc8GrYdcb88DBh
TLSH
T15C64BE2332D008ABC1E67A73CEB67734E3F9F9A489319A6F57D8094D5E36E448711326
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

backdoor bootkit discovery execution farfli gh0strat persistence rat spyware stealer upx

Malware Config

Extracted

Family

gh0strat

C2

host123.zz.am:6658
http://107.163.43.235:12388/
http://107.163.43.236:10289/support.php

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/256-8-0x0000000010000000-0x000000001004B000-memory.dmp	family_farfli
behavioral2/memory/256-10-0x0000000010000000-0x000000001004B000-memory.dmp	family_farfli
behavioral2/memory/256-15-0x0000000010000000-0x000000001004B000-memory.dmp	family_farfli

Detects executables containing base64 encoded User Agent 3 IoCs

resource	yara_rule
behavioral2/memory/256-8-0x0000000010000000-0x000000001004B000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/256-10-0x0000000010000000-0x000000001004B000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/256-15-0x0000000010000000-0x000000001004B000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent

UPX dump on OEP (original entry point) 6 IoCs

resource	yara_rule
behavioral2/files/0x000a000000019cb8-1.dat	UPX
behavioral2/files/0x000e00000001c54d-5.dat	UPX
behavioral2/memory/256-7-0x0000000010000000-0x000000001004B000-memory.dmp	UPX
behavioral2/memory/256-8-0x0000000010000000-0x000000001004B000-memory.dmp	UPX
behavioral2/memory/256-10-0x0000000010000000-0x000000001004B000-memory.dmp	UPX
behavioral2/memory/256-15-0x0000000010000000-0x000000001004B000-memory.dmp	UPX

Deletes itself 1 IoCs

pid	Process
4980	eoaeli.exe

Executes dropped EXE 2 IoCs

pid	Process
4980	eoaeli.exe
256	bmgxuhzes.exe

Loads dropped DLL 1 IoCs

pid	Process
256	bmgxuhzes.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-1-5-21-3797332335-34111092-3597280141-1000\Software\Microsoft\Windows\CurrentVersion\Run\flate = "c:\\Program Files\\pwtpq\\bmgxuhzes.exe \"c:\\Program Files\\pwtpq\\bmgxuhzes.dll\",inflate"	bmgxuhzes.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)	\??\d:	bmgxuhzes.exe
File opened (read-only)	\??\i:	bmgxuhzes.exe
File opened (read-only)	\??\j:	bmgxuhzes.exe
File opened (read-only)	\??\k:	bmgxuhzes.exe
File opened (read-only)	\??\m:	bmgxuhzes.exe
File opened (read-only)	\??\n:	bmgxuhzes.exe
File opened (read-only)	\??\p:	bmgxuhzes.exe
File opened (read-only)	\??\h:	bmgxuhzes.exe
File opened (read-only)	\??\r:	bmgxuhzes.exe
File opened (read-only)	\??\s:	bmgxuhzes.exe
File opened (read-only)	\??\t:	bmgxuhzes.exe
File opened (read-only)	\??\w:	bmgxuhzes.exe
File opened (read-only)	\??\x:	bmgxuhzes.exe
File opened (read-only)	\??\y:	bmgxuhzes.exe
File opened (read-only)	\??\b:	bmgxuhzes.exe
File opened (read-only)	\??\v:	bmgxuhzes.exe
File opened (read-only)	\??\a:	bmgxuhzes.exe
File opened (read-only)	\??\g:	bmgxuhzes.exe
File opened (read-only)	\??\l:	bmgxuhzes.exe
File opened (read-only)	\??\o:	bmgxuhzes.exe
File opened (read-only)	\??\u:	bmgxuhzes.exe
File opened (read-only)	\??\z:	bmgxuhzes.exe
File opened (read-only)	\??\q:	bmgxuhzes.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	bmgxuhzes.exe

UPX packed file 6 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/files/0x000a000000019cb8-1.dat	upx
behavioral2/files/0x000e00000001c54d-5.dat	upx
behavioral2/memory/256-7-0x0000000010000000-0x000000001004B000-memory.dmp	upx
behavioral2/memory/256-8-0x0000000010000000-0x000000001004B000-memory.dmp	upx
behavioral2/memory/256-10-0x0000000010000000-0x000000001004B000-memory.dmp	upx
behavioral2/memory/256-15-0x0000000010000000-0x000000001004B000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	\??\c:\Program Files\pwtpq\bmgxuhzes.dll	eoaeli.exe
File created	\??\c:\Program Files\pwtpq\bmgxuhzes.exe	eoaeli.exe
File opened for modification	\??\c:\Program Files\pwtpq	eoaeli.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
5772	cmd.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	2026-07-31_7a8d228c7cc041f6a9df51884522f649_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	eoaeli.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bmgxuhzes.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
5772	cmd.exe
6004	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	bmgxuhzes.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	bmgxuhzes.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
6004	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
256	bmgxuhzes.exe
256	bmgxuhzes.exe
256	bmgxuhzes.exe
256	bmgxuhzes.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	256	bmgxuhzes.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4624	2026-07-31_7a8d228c7cc041f6a9df51884522f649_coinminer_elex_wannacry.exe
4980	eoaeli.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4624 wrote to memory of 5772	4624	2026-07-31_7a8d228c7cc041f6a9df51884522f649_coinminer_elex_wannacry.exe	89
PID 5772 wrote to memory of 6004	5772	cmd.exe	91
PID 5772 wrote to memory of 4980	5772	cmd.exe	92
PID 4980 wrote to memory of 256	4980	eoaeli.exe	93

C:\Users\Admin\AppData\Local\Temp\2026-07-31_7a8d228c7cc041f6a9df51884522f649_coinminer_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-31_7a8d228c7cc041f6a9df51884522f649_coinminer_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4624
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\eoaeli.exe "C:\Users\Admin\AppData\Local\Temp\2026-07-31_7a8d228c7cc041f6a9df51884522f649_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:5772
- - 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:6004
- - C:\Users\Admin\AppData\Local\Temp\eoaeli.exe
    C:\Users\Admin\AppData\Local\Temp\\eoaeli.exe "C:\Users\Admin\AppData\Local\Temp\2026-07-31_7a8d228c7cc041f6a9df51884522f649_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:4980
  - - \??\c:\Program Files\pwtpq\bmgxuhzes.exe
      "c:\Program Files\pwtpq\bmgxuhzes.exe" "c:\Program Files\pwtpq\bmgxuhzes.dll",inflate C:\Users\Admin\AppData\Local\Temp\eoaeli.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:256

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

Windows Command Shell

1

T1059.003

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Peripheral Device Discovery

Query Registry

Remote System Discovery

1

T1018

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

bmgxuhzes.exe

Path C:\Program Files\pwtpq\bmgxuhzes.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

eoaeli.exe

Path C:\Users\Admin\AppData\Local\Temp\eoaeli.exe
Size 310KB
SHA256 953fad6199e990fea8b8e0f0b50384f928aa855fa5d16b77d02d334fcb9e7001
MD5 a39c24cff0a53ae714e522bbc3a02b3a
SHA1 7f6b7f70b2e688bc9069ef74acb6f010c9f214c7
SHA512 c5ab2e3ae2dca359bf0908b939995674bba8d67b23c4a9c699a46f352f2dc08e10165a1b906ea4ea6d2729542bff035eb44616be12ad1171295d636a4c62e693
SSDEEP 6144:VRoSgW/zYds0SfxsTxt3YeWH8k+p+Nj8DmILD:ASf/zc8GrYdcb88DBv
TLSH
T10B64BE2332D008ABC1E67A73CEB67734E3F9F9A489319A6F57D8094D5E36E448711326
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

bmgxuhzes.dll

Path \??\c:\Program Files\pwtpq\bmgxuhzes.dll
Size 134KB
SHA256 2cacbef0f1ec914f2104abd08ddda48511101051f8586241c9e6d1c3071c5653
MD5 3d0a1d89c22b19f642865a837d9aa307
SHA1 c04135eb7049596362ea8b185c53495ded55c316
SHA512 26abf2af074fc341219f613bc7fb8dd8d1cd697b80b7fb99247866edbe6bf9653c6962a07d82b1ac26a1139c3581e397aa86f1a441d531d9a93f688ae5b66a86
SSDEEP 3072:Mz9IOfAdv1qacKNQTtP0KuYjbi7Gp0N9DLI:MzOOfAdv1XaPduYjbEfI
TLSH
T143D312559C0990AAC480753FF44FF7B11A3A861480BE134F749FE3E398F5696BB2C85A
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/256-7-0x0000000010000000-0x000000001004B000-memory.dmp

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memory/256-8-0x0000000010000000-0x000000001004B000-memory.dmp

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memory/256-10-0x0000000010000000-0x000000001004B000-memory.dmp

Download

memory/256-15-0x0000000010000000-0x000000001004B000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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