farfli | 715227d522e0fe4d7213ca668d87091f85acd1e4d42fc1e340604966cf67de4b

Analysis

max time kernel
149s
max time network
102s
platform
windows11-21h2_x64
resource
win11-20260513-en
resource tags

arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
04/06/2026, 20:32

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General

Target
2026-06-04_42a57c2a8b90cf2a41ac7311fe412356_elex_wannacry.exe
Size 365KB
Sample260604-zbjmsaew5j
SHA256 715227d522e0fe4d7213ca668d87091f85acd1e4d42fc1e340604966cf67de4b
MD5 42a57c2a8b90cf2a41ac7311fe412356
SHA1 11aa1dffdc8adf768c3b44f80ffb0aa1665bb69a
SHA512 eb48edd5067c06b794e29f2ebb72cfa2724c2852a19a48149125bdfa4d5b46d6851f0c8ce2e917dd4991cd11ca5a8a22d2902990008d5af05dbc64acec579154
SSDEEP 6144:lpFbYirO/Vo8wjOm6JMRPzyZCJeNnTImk9dKacFK8Czj8YT4kFa9N:FcirO2PE2QC00me2VCzYYT2H
TLSH
T1AB84DF1272D048F6E4853633CE76BE74E3E9D0AC5D32DB775F98460D1E36A0992222AD
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

backdoor bootkit discovery farfli gh0strat persistence rat spyware stealer

Malware Config

Extracted

Family

gh0strat

107.163.56.251:6658
http://107.163.56.240:18963/main.php
http://107.163.56.241:18530/

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/2616-17-0x0000000010000000-0x000000001004F000-memory.dmp	family_farfli

Detects executables containing base64 encoded User Agent 1 IoCs

resource	yara_rule
behavioral2/memory/2616-17-0x0000000010000000-0x000000001004F000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent

Deletes itself 1 IoCs

pid	Process
2684	szolp.exe

Executes dropped EXE 2 IoCs

pid	Process
2684	szolp.exe
2616	phjzzjmg.exe

Loads dropped DLL 1 IoCs

pid	Process
2616	phjzzjmg.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-1-5-21-125073035-2952146151-721812867-1000\Software\Microsoft\Windows\CurrentVersion\Run\Depend = "c:\\Program Files\\ndjzj\\phjzzjmg.exe \"c:\\Program Files\\ndjzj\\phjzzjmg.dll\",Compliance"	phjzzjmg.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:	phjzzjmg.exe
File opened (read-only)	\??\b:	phjzzjmg.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	phjzzjmg.exe

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File opened for modification	\??\c:\Program Files\ndjzj	szolp.exe
File created	\??\c:\Program Files\ndjzj\phjzzjmg.dll	szolp.exe
File created	\??\c:\Program Files\ndjzj\phjzzjmg.exe	szolp.exe
File opened for modification	\??\c:\Program Files\ndjzj\phjzzjmg.exe	szolp.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4072	2616	WerFault.exe	86

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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	szolp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	phjzzjmg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-06-04_42a57c2a8b90cf2a41ac7311fe412356_elex_wannacry.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
1184	cmd.exe
2916	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	phjzzjmg.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	phjzzjmg.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2916	PING.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2616	phjzzjmg.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2256	2026-06-04_42a57c2a8b90cf2a41ac7311fe412356_elex_wannacry.exe
2684	szolp.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2256 wrote to memory of 1184	2256	2026-06-04_42a57c2a8b90cf2a41ac7311fe412356_elex_wannacry.exe	82
PID 1184 wrote to memory of 2916	1184	cmd.exe	84
PID 1184 wrote to memory of 2684	1184	cmd.exe	85
PID 2684 wrote to memory of 2616	2684	szolp.exe	86

C:\Users\Admin\AppData\Local\Temp\2026-06-04_42a57c2a8b90cf2a41ac7311fe412356_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-06-04_42a57c2a8b90cf2a41ac7311fe412356_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2256
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\szolp.exe "C:\Users\Admin\AppData\Local\Temp\2026-06-04_42a57c2a8b90cf2a41ac7311fe412356_elex_wannacry.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:1184
- - 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:2916
- - C:\Users\Admin\AppData\Local\Temp\szolp.exe
    C:\Users\Admin\AppData\Local\Temp\\szolp.exe "C:\Users\Admin\AppData\Local\Temp\2026-06-04_42a57c2a8b90cf2a41ac7311fe412356_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:2684
  - - \??\c:\Program Files\ndjzj\phjzzjmg.exe
      "c:\Program Files\ndjzj\phjzzjmg.exe" "c:\Program Files\ndjzj\phjzzjmg.dll",Compliance C:\Users\Admin\AppData\Local\Temp\szolp.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 use of AdjustPrivilegeToken
      PID:2616
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2616 -s 1636
        5⤵
        Program crash
        
        PID:4072

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2616 -ip 2616
1⤵
PID:1600

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

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Downloads

phjzzjmg.exe

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

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szolp.exe

Path C:\Users\Admin\AppData\Local\Temp\szolp.exe
Size 366KB
SHA256 604dcad6246c1878da33d2a1c8de5b347ba1907a35e44882d7073c58f1033987
MD5 f192f343d72b1b0ef1791cc831b8dc19
SHA1 34dd017de329e57eab36ae88a5bddd1f617ab453
SHA512 d3f5f962e9929f31fe977bebc32572545c4566d80039f02ff2ca39b407814e5643b20316dba47f3c27503af2ebd86d7514a222f4e8eb915f30688f4144dba3b5
SSDEEP 6144:lpFbYirO/Vo8wjOm6JMRPzyZCJeNnTImk9dKacFK8Czj8YT4kFa9:FcirO2PE2QC00me2VCzYYT2
TLSH
T13684DF1272D048F6E4853633CE76BE74E3E9D0AC5D32DB775F98460D1E36A0992222AD
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

phjzzjmg.dll

Path \??\c:\Program Files\ndjzj\phjzzjmg.dll
Size 179KB
SHA256 191e4c3346133b858ff27383a6c511710849589684be199835e6276d3fd97a4e
MD5 ff63a82919373fa31eb33cdc5ab9e600
SHA1 5b5f026c7dd2dc1f1f6f689fdfdb657ed5b3c67e
SHA512 dbbd9737c9fb6b3dbd2ed8ee6a938a501c9cecc7487f1eed378cade51ac4a767efa91ccc159c25e5bf1dd43a743b23e7056e85fe6f2663ebbeb9c971abfa7215
SSDEEP 3072:EC5Wpfs98nVCWdKycHtld8VBt7NUalwXH9RqYzJabTYd3KIdj6+uFdi98pvO0hfd:ECOfQ8nVcycHrd8VBtBUa4HfRzJabT8y
TLSH
T1700423EABF42C652C84F6776B6AF244437AD05D91BC1E0A56F0482CE39C3135E67DE48
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2256-0-0x0000000000400000-0x0000000000458000-memory.dmp

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memory/2256-2-0x0000000000400000-0x0000000000458000-memory.dmp

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memory/2616-15-0x0000000010000000-0x000000001004F000-memory.dmp

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memory/2616-16-0x00007FFB1C1A0000-0x00007FFB1C3A9000-memory.dmp

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memory/2616-17-0x0000000010000000-0x000000001004F000-memory.dmp

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memory/2616-18-0x00007FFB1C1A0000-0x00007FFB1C3A9000-memory.dmp

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memory/2684-6-0x0000000000400000-0x0000000000458000-memory.dmp

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memory/2684-12-0x0000000000400000-0x0000000000458000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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