farfli | 56156d6f35c90c20028971e7298e04b7bddaf8c26ae4fbb16278117890599dbf

Analysis

max time kernel
148s
max time network
138s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
02/10/2026, 17:13

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
2026-10-01_313dd24dde44370123311685945ab382_coinminer_elex_wannacry.exe
Size 232KB
Sample261002-vrexbatvdy
SHA256 56156d6f35c90c20028971e7298e04b7bddaf8c26ae4fbb16278117890599dbf
MD5 313dd24dde44370123311685945ab382
SHA1 2b06051be4ef9f2bbfa877f48ba1a916237252ee
SHA512 0123a8274edcfee6e04dc97317bf6da85c792c646b24e8c4d9aac9b8107b3f0148d23d2dcaab9d134808dc0bf2705a909ba771a7834771248c9011bc4fd447f4
SSDEEP 6144:eMgmYA/npA6SUqfjKfr4QdsICWkZ3h1SLCDFqnetKSob:tgmYA/nsYf8QdsINkZ6CQetFG
TLSH
T13334F18136A5CD77F0621B7E4D7B163B8536BE651B00B08BD3C4AD4FB431AE46E2E209
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 2 IoCs

resource	yara_rule
behavioral2/memory/5784-12-0x0000000010000000-0x000000001006D000-memory.dmp	family_farfli
behavioral2/memory/5784-14-0x0000000010000000-0x000000001006D000-memory.dmp	family_farfli

Detects executables containing base64 encoded User Agent 2 IoCs

resource	yara_rule
behavioral2/memory/5784-12-0x0000000010000000-0x000000001006D000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/5784-14-0x0000000010000000-0x000000001006D000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent

UPX dump on OEP (original entry point) 4 IoCs

resource	yara_rule
behavioral2/memory/4896-0-0x0000000000400000-0x0000000000468000-memory.dmp	UPX
behavioral2/memory/4896-2-0x0000000000400000-0x0000000000468000-memory.dmp	UPX
behavioral2/files/0x0007000000011392-3.dat	UPX
behavioral2/memory/2228-7-0x0000000000400000-0x0000000000468000-memory.dmp	UPX

Deletes itself 1 TTPs 1 IoCs

defense_evasion

File Deletion

T1070.004

pid	Process
2228	cmaudmc.exe

Executes dropped EXE 2 IoCs

pid	Process
2228	cmaudmc.exe
5784	dqn.exe

Loads dropped DLL 1 IoCs

pid	Process
5784	dqn.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-1-5-21-461973139-3212354679-1508698038-1000\Software\Microsoft\Windows\CurrentVersion\Run\it = "c:\\Program Files\\qktzj\\dqn.exe \"c:\\Program Files\\qktzj\\dqnsz.dll\",Interface"	dqn.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)	\??\d:	dqn.exe
File opened (read-only)	\??\n:	dqn.exe
File opened (read-only)	\??\o:	dqn.exe
File opened (read-only)	\??\t:	dqn.exe
File opened (read-only)	\??\v:	dqn.exe
File opened (read-only)	\??\x:	dqn.exe
File opened (read-only)	\??\y:	dqn.exe
File opened (read-only)	\??\a:	dqn.exe
File opened (read-only)	\??\g:	dqn.exe
File opened (read-only)	\??\m:	dqn.exe
File opened (read-only)	\??\r:	dqn.exe
File opened (read-only)	\??\s:	dqn.exe
File opened (read-only)	\??\w:	dqn.exe
File opened (read-only)	\??\b:	dqn.exe
File opened (read-only)	\??\j:	dqn.exe
File opened (read-only)	\??\k:	dqn.exe
File opened (read-only)	\??\p:	dqn.exe
File opened (read-only)	\??\q:	dqn.exe
File opened (read-only)	\??\z:	dqn.exe
	\??\f:\	dqn.exe
File opened (read-only)	\??\h:	dqn.exe
File opened (read-only)	\??\i:	dqn.exe
File opened (read-only)	\??\l:	dqn.exe
File opened (read-only)	\??\u:	dqn.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	dqn.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	\??\c:\Program Files\qktzj	cmaudmc.exe
File created	\??\c:\Program Files\qktzj\dqnsz.dll	cmaudmc.exe
File created	\??\c:\Program Files\qktzj\dqn.exe	cmaudmc.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
3436	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	dqn.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	2026-10-01_313dd24dde44370123311685945ab382_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	cmaudmc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dqn.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
3436	cmd.exe
4412	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	dqn.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	dqn.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4412	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
5784	dqn.exe
5784	dqn.exe
5784	dqn.exe
5784	dqn.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5784	dqn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4896	2026-10-01_313dd24dde44370123311685945ab382_coinminer_elex_wannacry.exe
2228	cmaudmc.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4896 wrote to memory of 3436	4896	2026-10-01_313dd24dde44370123311685945ab382_coinminer_elex_wannacry.exe	91
PID 3436 wrote to memory of 4412	3436	cmd.exe	93
PID 3436 wrote to memory of 2228	3436	cmd.exe	94
PID 2228 wrote to memory of 5784	2228	cmaudmc.exe	95

C:\Users\Admin\AppData\Local\Temp\2026-10-01_313dd24dde44370123311685945ab382_coinminer_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-10-01_313dd24dde44370123311685945ab382_coinminer_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4896
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\cmaudmc.exe "C:\Users\Admin\AppData\Local\Temp\2026-10-01_313dd24dde44370123311685945ab382_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:3436
- - 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:4412
- - C:\Users\Admin\AppData\Local\Temp\cmaudmc.exe
    C:\Users\Admin\AppData\Local\Temp\\cmaudmc.exe "C:\Users\Admin\AppData\Local\Temp\2026-10-01_313dd24dde44370123311685945ab382_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:2228
  - - \??\c:\Program Files\qktzj\dqn.exe
      "c:\Program Files\qktzj\dqn.exe" "c:\Program Files\qktzj\dqnsz.dll",Interface C:\Users\Admin\AppData\Local\Temp\cmaudmc.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:5784

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k GPSvcGroup
1⤵
PID:1896

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

Replay Monitor

Loading Replay Monitor...

Downloads

dqn.exe

Path C:\Program Files\qktzj\dqn.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

cmaudmc.exe

Path C:\Users\Admin\AppData\Local\Temp\cmaudmc.exe
Size 232KB
SHA256 00da119545cf544b61fdc467cbe5379fd06795fa6a1ee4a03d3c1e5df7dc50e5
MD5 073103b4ecfcf718e9e953afe1dc37c6
SHA1 ee96d88cce578bddc2e4c17aba9d8eef59b4bb03
SHA512 f514f4843d78e591407cd3ef99ff46ec330030b0228a24b06c61ff52f937c9ea3a3cae32bbde428c23da2c1f8291d64307ee91462082a7ae0a77d8ab394d5c99
SSDEEP 6144:eMgmYA/npA6SUqfjKfr4QdsICWkZ3h1SLCDFqnetKSoh:tgmYA/nsYf8QdsINkZ6CQetF+
TLSH
T1AF34F18136A5CD77F0621B7E4D7B163B8536BE651B00B09BD3C4AD4FB431AE46E2E209
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

dqnsz.dll

Path \??\c:\Program Files\qktzj\dqnsz.dll
Size 168KB
SHA256 5633c7cfc05c1ae41132257c615c33865b18660f4e7219b9b4bda951c59fd049
MD5 07f63b95a609b589377e9e0be64d52c9
SHA1 66f98063f448de0eded51535d51d2b335296719a
SHA512 7c5f2691417d553285c6a25c60a9f8ee88278acac948d466968dc33e0bbd6e52b204b824ab0c06a2dc9eb77f51ada1dc4bb2ff294dd29e3a4b574e1ffb8cb985
SSDEEP 3072:S25S8qsPfVoCxEI5GRycgzQkf2+JKC8L1MwwYsg89R5gZMm:SJ8T1xE3ocg9f2nfLnwYsxf2Zf
TLSH
T17BF312D3EFA649E0C0361BB07C53C10FB8620CA498715B5553D9FEEA3DA668E493D3A1
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2228-7-0x0000000000400000-0x0000000000468000-memory.dmp

Download

memory/4896-0-0x0000000000400000-0x0000000000468000-memory.dmp

Download

memory/4896-2-0x0000000000400000-0x0000000000468000-memory.dmp

Download

memory/5784-10-0x0000000010000000-0x000000001006D000-memory.dmp

Download

memory/5784-12-0x0000000010000000-0x000000001006D000-memory.dmp

Download

memory/5784-14-0x0000000010000000-0x000000001006D000-memory.dmp

Download