farfli | bc62c860167a0e2bf1569fd6ede74d76e5c069801931516f0b21b55504fbdd3b

Analysis

max time kernel
149s
max time network
152s
platform
windows11-21h2_x64
resource
win11-20260130-en
resource tags

arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
19/04/2026, 03:45

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General

Target
bc62c860167a0e2bf1569fd6ede74d76e5c069801931516f0b21b55504fbdd3b.exe
Size 234KB
Sample260419-ebf7fab16n
SHA256 bc62c860167a0e2bf1569fd6ede74d76e5c069801931516f0b21b55504fbdd3b
MD5 29520526adcb8e11779423e434d94c4a
SHA1 8eb47c85cba5299279c901942e372608b6f59ce0
SHA512 57c5c46762e6e905f07612550746034bed2a108bfa0b5dd19e0f06eb3f21b6335e15c24105e21085fc4fd2b894ec698ac50d380c5d199caa12317ba2c979715d
SSDEEP 3072:fP5gvNVLIfHQja1RfmLQADwSKkhU+tLgT5lODbiC8r1PkTFK:X2vnSwjaOcADw9cUeCOf
TLSH
T103340200D7B2E5E8D44824BA0787D310EAE1DCDE7B73677143D5E32FAB41F1AA4AA194
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

backdoor bootkit discovery farfli gh0strat persistence rat spyware stealer

Malware Config

Extracted

Family

gh0strat

107.163.241.193:6520
http://107.163.241.181:16300/
http://107.163.241.182:12354/login.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 1 IoCs

resource	yara_rule
behavioral2/memory/3176-21-0x0000000010000000-0x000000001004E000-memory.dmp	family_farfli

Deletes itself 1 IoCs

pid	Process
2208	xqqpg.exe

Executes dropped EXE 2 IoCs

pid	Process
2208	xqqpg.exe
3176	jpd.exe

Loads dropped DLL 1 IoCs

pid	Process
3176	jpd.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-1-5-21-3847269522-1618051987-1942096715-1000\Software\Microsoft\Windows\CurrentVersion\Run\Depend = "c:\\Program Files\\robkl\\jpd.exe \"c:\\Program Files\\robkl\\jpdkn.dll\",Compliance"	jpd.exe

Enumerates connected drives 3 TTPs 2 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)	\??\a:	jpd.exe
File opened (read-only)	\??\b:	jpd.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	jpd.exe

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File opened for modification	\??\c:\Program Files\robkl	xqqpg.exe
File created	\??\c:\Program Files\robkl\jpdkn.dll	xqqpg.exe
File created	\??\c:\Program Files\robkl\jpd.exe	xqqpg.exe
File opened for modification	\??\c:\Program Files\robkl\jpd.exe	xqqpg.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
840	3176	WerFault.exe	84

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	bc62c860167a0e2bf1569fd6ede74d76e5c069801931516f0b21b55504fbdd3b.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	xqqpg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	jpd.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
2544	cmd.exe
3872	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	jpd.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	jpd.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
3872	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3176	jpd.exe
3176	jpd.exe
3176	jpd.exe
3176	jpd.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3176	jpd.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2488	bc62c860167a0e2bf1569fd6ede74d76e5c069801931516f0b21b55504fbdd3b.exe
2208	xqqpg.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2488 wrote to memory of 2544	2488	bc62c860167a0e2bf1569fd6ede74d76e5c069801931516f0b21b55504fbdd3b.exe	80
PID 2544 wrote to memory of 3872	2544	cmd.exe	82
PID 2544 wrote to memory of 2208	2544	cmd.exe	83
PID 2208 wrote to memory of 3176	2208	xqqpg.exe	84

C:\Users\Admin\AppData\Local\Temp\bc62c860167a0e2bf1569fd6ede74d76e5c069801931516f0b21b55504fbdd3b.exe
"C:\Users\Admin\AppData\Local\Temp\bc62c860167a0e2bf1569fd6ede74d76e5c069801931516f0b21b55504fbdd3b.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2488
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\xqqpg.exe "C:\Users\Admin\AppData\Local\Temp\bc62c860167a0e2bf1569fd6ede74d76e5c069801931516f0b21b55504fbdd3b.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:2544
- - 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:3872
- - C:\Users\Admin\AppData\Local\Temp\xqqpg.exe
    C:\Users\Admin\AppData\Local\Temp\\xqqpg.exe "C:\Users\Admin\AppData\Local\Temp\bc62c860167a0e2bf1569fd6ede74d76e5c069801931516f0b21b55504fbdd3b.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:2208
  - - \??\c:\Program Files\robkl\jpd.exe
      "c:\Program Files\robkl\jpd.exe" "c:\Program Files\robkl\jpdkn.dll",Compliance C:\Users\Admin\AppData\Local\Temp\xqqpg.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:3176
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 3176 -s 1492
        5⤵
        Program crash
        
        PID:840

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3176 -ip 3176
1⤵
PID:756

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

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Downloads

jpd.exe

Path C:\Program Files\robkl\jpd.exe
Size 40KB
SHA256 8dcaeeebef9b9f3d41d295db145ffb3850f309d089c08125c7fa7034db5fd80e
MD5 22bb5bd901d8b25ac5b41edbb7d5053e
SHA1 8a935dd8d7e104fc553ff7e8b54a404f7b079334
SHA512 cc3fb68fd6791a08e4a7d1a8db8d07cfcc8c9b9dceec10b53f0cb7ee86473303a19be4f23e379f84c59e02d0568e7c066e21cd1300f6032dac4ba52f609f62e7
SSDEEP 768:C67uhQpPPp0nnqFk509FRdVcQX6N58hJYim1jLP3RRe:C67uhQpXp0nnqa5093jKNAmB3RR
TLSH
T10C134C02BE88C071DDA114B41A5DB337939DED604B1586D3593887EBAA2D3E39E343DE
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

jpdkn.dll

Path C:\Program Files\robkl\jpdkn.dll
Size 141KB
SHA256 d311421cf1a1d95662e122b4b3dc63ced982f25cd337e14b94686ccc7ac76e15
MD5 f3c1934a7aa59260c7d95495c2b20abf
SHA1 0db5ac0fe6cdca55fc29f010d0336b023f270d1b
SHA512 589ae7be5e2ff19705aab7c2ba2a07cbcf1190e4c8e9b32e3d689b0440cda39e7cc0c09578636743b7767f7353159dc43a199528229114c857ff5a80bb37f2be
SSDEEP 3072:RGmRmNJToTJfp2D1QzpSyiJEkGSPf1bc4lZ:RGMmfToTJY6zpSyvkGSn1tlZ
TLSH
T107E312E0E3A7C4B6C269573143937DF31628F5346B18072EED62A32769394C84A9DA1A
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

xqqpg.exe

Path C:\Users\Admin\AppData\Local\Temp\xqqpg.exe
Size 234KB
SHA256 13dd9c44cfac1f0b25b3fa9b1141a6141b2cca18fa88f9abf65ea354d7eabf4d
MD5 876bd359288213ada71dc1fe66207fc5
SHA1 8d5adc7d1d0a5ecf9d473b724afb96ebda376b80
SHA512 9fec5fc55cef61e857246da798ecdb8959a06cae1e4543a968d771700828ad2af65bf0b22b5ea6d24d357d67e28af1196bd3a0b6512afb234c920aaa9450925a
SSDEEP 3072:fP5gvNVLIfHQja1RfmLQADwSKkhU+tLgT5lODbiC8r1PkTFK:X2vnSwjaOcADw9cUeCOf
TLSH
T189340200D7B2E5E8D44824BA0787D310EAE1DCDE7B73677143D5E32FAB41F1AA4AA194
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2208-8-0x0000000000400000-0x000000000044901D-memory.dmp

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memory/2208-9-0x0000000000400000-0x000000000044901D-memory.dmp

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memory/2208-15-0x0000000000400000-0x000000000044901D-memory.dmp

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memory/2488-0-0x0000000000400000-0x000000000044901D-memory.dmp

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memory/2488-1-0x0000000000400000-0x000000000044901D-memory.dmp

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memory/2488-2-0x0000000000400000-0x000000000044901D-memory.dmp

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memory/2488-4-0x0000000000400000-0x000000000044901D-memory.dmp

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memory/3176-19-0x0000000010000000-0x000000001004E000-memory.dmp

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memory/3176-21-0x0000000010000000-0x000000001004E000-memory.dmp

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