farfli | 0e6a7db787cbdb327e1ab9d90cf3ef8e78d1358072cfc88718f6e8c2ec5b224a

Analysis

max time kernel
150s
max time network
139s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
18/08/2026, 16:48

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General

Target
2026-08-18_cc6d66b66e7484616f822412a36e2241_coinminer_elex_wannacry.exe
Size 236KB
Sample260818-vbcf9axwf1
SHA256 0e6a7db787cbdb327e1ab9d90cf3ef8e78d1358072cfc88718f6e8c2ec5b224a
MD5 cc6d66b66e7484616f822412a36e2241
SHA1 f505cd3f437bfc09254d6a41c832e36458908fe4
SHA512 b800991e1c0865f2552a5dd2ef8f8d226831cec2972d2fddb5567d39bf4cf51571533ffeb668c13edc95fbd64cc1cba83f4a963cbaeed15256c86c47b0886bbb
SSDEEP 6144:eMgmYA/npA6SUqfjKfr4QdsICWkZ3h1SLCDFqnetKSocL:tgmYA/nsYf8QdsINkZ6CQetFx
TLSH
T13534F18136A5CD77F0221BBD4D7B163B8536BE691B407097D3C4AE4FB431AE46E2E209
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

backdoor bootkit 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 2 IoCs

resource	yara_rule
behavioral2/memory/3396-11-0x0000000010000000-0x000000001006D000-memory.dmp	family_farfli
behavioral2/memory/3396-14-0x0000000010000000-0x000000001006D000-memory.dmp	family_farfli

Detects executables containing base64 encoded User Agent 2 IoCs

resource	yara_rule
behavioral2/memory/3396-11-0x0000000010000000-0x000000001006D000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/3396-14-0x0000000010000000-0x000000001006D000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent

UPX dump on OEP (original entry point) 4 IoCs

resource	yara_rule
behavioral2/memory/4192-0-0x0000000000400000-0x0000000000468000-memory.dmp	UPX
behavioral2/memory/4192-2-0x0000000000400000-0x0000000000468000-memory.dmp	UPX
behavioral2/files/0x000d0000000187b4-3.dat	UPX
behavioral2/memory/4584-7-0x0000000000400000-0x0000000000468000-memory.dmp	UPX

Deletes itself 1 IoCs

pid	Process
4584	xuqpcmhr.exe

Executes dropped EXE 2 IoCs

pid	Process
4584	xuqpcmhr.exe
3396	pni.exe

Loads dropped DLL 1 IoCs

pid	Process
3396	pni.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-1-5-21-3611646547-550105268-947503007-1000\Software\Microsoft\Windows\CurrentVersion\Run\it = "c:\\Program Files\\poaifcu\\pni.exe \"c:\\Program Files\\poaifcu\\pnigj.dll\",Interface"	pni.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)	\??\g:	pni.exe
File opened (read-only)	\??\l:	pni.exe
File opened (read-only)	\??\r:	pni.exe
File opened (read-only)	\??\v:	pni.exe
File opened (read-only)	\??\y:	pni.exe
File opened (read-only)	\??\a:	pni.exe
File opened (read-only)	\??\d:	pni.exe
File opened (read-only)	\??\j:	pni.exe
File opened (read-only)	\??\k:	pni.exe
File opened (read-only)	\??\m:	pni.exe
File opened (read-only)	\??\n:	pni.exe
File opened (read-only)	\??\t:	pni.exe
File opened (read-only)	\??\u:	pni.exe
File opened (read-only)	\??\b:	pni.exe
File opened (read-only)	\??\h:	pni.exe
File opened (read-only)	\??\i:	pni.exe
File opened (read-only)	\??\o:	pni.exe
File opened (read-only)	\??\q:	pni.exe
File opened (read-only)	\??\s:	pni.exe
File opened (read-only)	\??\w:	pni.exe
File opened (read-only)	\??\x:	pni.exe
File opened (read-only)	\??\p:	pni.exe
File opened (read-only)	\??\z:	pni.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	pni.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	\??\c:\Program Files\poaifcu	xuqpcmhr.exe
File created	\??\c:\Program Files\poaifcu\pnigj.dll	xuqpcmhr.exe
File created	\??\c:\Program Files\poaifcu\pni.exe	xuqpcmhr.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
1340	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	2026-08-18_cc6d66b66e7484616f822412a36e2241_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	xuqpcmhr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	pni.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
1340	cmd.exe
5844	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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	pni.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	pni.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
5844	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3396	pni.exe
3396	pni.exe
3396	pni.exe
3396	pni.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3396	pni.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4192	2026-08-18_cc6d66b66e7484616f822412a36e2241_coinminer_elex_wannacry.exe
4584	xuqpcmhr.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4192 wrote to memory of 1340	4192	2026-08-18_cc6d66b66e7484616f822412a36e2241_coinminer_elex_wannacry.exe	89
PID 1340 wrote to memory of 5844	1340	cmd.exe	91
PID 1340 wrote to memory of 4584	1340	cmd.exe	92
PID 4584 wrote to memory of 3396	4584	xuqpcmhr.exe	93

C:\Users\Admin\AppData\Local\Temp\2026-08-18_cc6d66b66e7484616f822412a36e2241_coinminer_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-18_cc6d66b66e7484616f822412a36e2241_coinminer_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4192
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\xuqpcmhr.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-18_cc6d66b66e7484616f822412a36e2241_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:1340
- - 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:5844
- - C:\Users\Admin\AppData\Local\Temp\xuqpcmhr.exe
    C:\Users\Admin\AppData\Local\Temp\\xuqpcmhr.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-18_cc6d66b66e7484616f822412a36e2241_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:4584
  - - \??\c:\Program Files\poaifcu\pni.exe
      "c:\Program Files\poaifcu\pni.exe" "c:\Program Files\poaifcu\pnigj.dll",Interface C:\Users\Admin\AppData\Local\Temp\xuqpcmhr.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:3396

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

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

pni.exe

Path C:\Program Files\poaifcu\pni.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

xuqpcmhr.exe

Path C:\Users\Admin\AppData\Local\Temp\xuqpcmhr.exe
Size 237KB
SHA256 026670509fe9de20574f780e1c9442517adb75dee5a7e76764cb223c4362fbc7
MD5 cb71202adc28c0516a724c315031518d
SHA1 7e741e59e0a5842519f9f48d11e1308a0971f429
SHA512 81d4ea7eb208cc98ef59eb97221adcf9bd38865adae47ab0ff81d20a445de23cae900cf7c71a904fe2b054e39e8ee2ee302eecff2fdfc02b7fb40c7fcef4434d
SSDEEP 6144:eMgmYA/npA6SUqfjKfr4QdsICWkZ3h1SLCDFqnetKSocx:tgmYA/nsYf8QdsINkZ6CQetFT
TLSH
T1AF34F18136A5CD77F0221BBD4D7B163B8536BE691B407097D3C4AE4FB431AE46E2E209
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

pnigj.dll

Path \??\c:\Program Files\poaifcu\pnigj.dll
Size 168KB
SHA256 0928d1e33616b0a0aaef5455c770844a4cb7c9bdde4c049a9e01fd7695956ac1
MD5 fd167f0183520c7089b675201efe50ef
SHA1 b100c2bb85f9d986950fb82543f7950d125f1ef1
SHA512 1b54a06ecb494d87a17ae019e1a3313e84ee5c4cae27a448518bc550b85722de84e708882b69591b0e38fe3a812788c5914f465691b493d8af9f6dd64f4132c9
SSDEEP 3072:S25S8qsPfVoCxEI5GRycgzQkf2+JKC8L1MwwYsg89R5gZME:SJ8T1xE3ocg9f2nfLnwYsxf2Z9
TLSH
T184F312D3EFA649E0C0361BB07C53C10FB8620C6498715B5653D9FEEA3DA668E493D3A1
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/3396-10-0x0000000010000000-0x000000001006D000-memory.dmp

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memory/3396-11-0x0000000010000000-0x000000001006D000-memory.dmp

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memory/3396-14-0x0000000010000000-0x000000001006D000-memory.dmp

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memory/4192-0-0x0000000000400000-0x0000000000468000-memory.dmp

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memory/4192-2-0x0000000000400000-0x0000000000468000-memory.dmp

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memory/4584-7-0x0000000000400000-0x0000000000468000-memory.dmp

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