farfli | 51b56c09bee2d2e071fff0b5f869dc28e6d6fba02a434afcc528272f821b1c34

Analysis

max time kernel
150s
max time network
147s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
29/07/2026, 05:39

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General

Target
2026-07-29_60d8c59e88cd82ef0e2e3584268d1f4c_coinminer_elex_wannacry.exe
Size 236KB
Sample260729-gcdttavgrh
SHA256 51b56c09bee2d2e071fff0b5f869dc28e6d6fba02a434afcc528272f821b1c34
MD5 60d8c59e88cd82ef0e2e3584268d1f4c
SHA1 1f87a76aa68bdeb49482b974b21993da50a7ff85
SHA512 274f04427d5b8d148439dbb48a0b6f65d4e32dfcb22bb2258813e564de9dbdcf4e5bef2c74a3f425efae8c868bd1a9683c8c18b217664fe06e1eb688899f1f7e
SSDEEP 6144:eMgmYA/npA6SUqfjKfr4QdsICWkZ3h1SLCDFqnetKSoc:tgmYA/nsYf8QdsINkZ6CQetF
TLSH
T1A134F18136A5CD77F0221B7D4D7B163B8536BE691B40709BD3C4AE4FB431AE46E2E209
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/3136-11-0x0000000010000000-0x000000001006D000-memory.dmp	family_farfli
behavioral2/memory/3136-14-0x0000000010000000-0x000000001006D000-memory.dmp	family_farfli

Detects executables containing base64 encoded User Agent 2 IoCs

resource	yara_rule
behavioral2/memory/3136-11-0x0000000010000000-0x000000001006D000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/3136-14-0x0000000010000000-0x000000001006D000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent

UPX dump on OEP (original entry point) 4 IoCs

resource	yara_rule
behavioral2/memory/1916-0-0x0000000000400000-0x0000000000468000-memory.dmp	UPX
behavioral2/memory/1916-2-0x0000000000400000-0x0000000000468000-memory.dmp	UPX
behavioral2/files/0x000800000001b83c-3.dat	UPX
behavioral2/memory/1440-7-0x0000000000400000-0x0000000000468000-memory.dmp	UPX

Deletes itself 1 IoCs

pid	Process
1440	wmpjm.exe

Executes dropped EXE 2 IoCs

pid	Process
1440	wmpjm.exe
3136	sxowvdztz.exe

Loads dropped DLL 1 IoCs

pid	Process
3136	sxowvdztz.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-1-5-21-1079202589-886135813-2527035092-1000\Software\Microsoft\Windows\CurrentVersion\Run\it = "c:\\Program Files\\rmhpl\\sxowvdztz.exe \"c:\\Program Files\\rmhpl\\sxowvdztz.dll\",Interface"	sxowvdztz.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)	\??\i:	sxowvdztz.exe
File opened (read-only)	\??\k:	sxowvdztz.exe
File opened (read-only)	\??\p:	sxowvdztz.exe
File opened (read-only)	\??\s:	sxowvdztz.exe
File opened (read-only)	\??\t:	sxowvdztz.exe
File opened (read-only)	\??\v:	sxowvdztz.exe
File opened (read-only)	\??\a:	sxowvdztz.exe
File opened (read-only)	\??\l:	sxowvdztz.exe
File opened (read-only)	\??\n:	sxowvdztz.exe
File opened (read-only)	\??\o:	sxowvdztz.exe
File opened (read-only)	\??\r:	sxowvdztz.exe
File opened (read-only)	\??\y:	sxowvdztz.exe
File opened (read-only)	\??\b:	sxowvdztz.exe
File opened (read-only)	\??\d:	sxowvdztz.exe
File opened (read-only)	\??\g:	sxowvdztz.exe
File opened (read-only)	\??\j:	sxowvdztz.exe
File opened (read-only)	\??\u:	sxowvdztz.exe
File opened (read-only)	\??\w:	sxowvdztz.exe
File opened (read-only)	\??\z:	sxowvdztz.exe
File opened (read-only)	\??\h:	sxowvdztz.exe
File opened (read-only)	\??\m:	sxowvdztz.exe
File opened (read-only)	\??\q:	sxowvdztz.exe
File opened (read-only)	\??\x:	sxowvdztz.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	sxowvdztz.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	\??\c:\Program Files\rmhpl\sxowvdztz.exe	wmpjm.exe
File opened for modification	\??\c:\Program Files\rmhpl	wmpjm.exe
File created	\??\c:\Program Files\rmhpl\sxowvdztz.dll	wmpjm.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
3320	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	2026-07-29_60d8c59e88cd82ef0e2e3584268d1f4c_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	wmpjm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sxowvdztz.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
3320	cmd.exe
4340	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	sxowvdztz.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	sxowvdztz.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4340	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3136	sxowvdztz.exe
3136	sxowvdztz.exe
3136	sxowvdztz.exe
3136	sxowvdztz.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3136	sxowvdztz.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1916	2026-07-29_60d8c59e88cd82ef0e2e3584268d1f4c_coinminer_elex_wannacry.exe
1440	wmpjm.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1916 wrote to memory of 3320	1916	2026-07-29_60d8c59e88cd82ef0e2e3584268d1f4c_coinminer_elex_wannacry.exe	89
PID 3320 wrote to memory of 4340	3320	cmd.exe	91
PID 3320 wrote to memory of 1440	3320	cmd.exe	92
PID 1440 wrote to memory of 3136	1440	wmpjm.exe	93

C:\Users\Admin\AppData\Local\Temp\2026-07-29_60d8c59e88cd82ef0e2e3584268d1f4c_coinminer_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-29_60d8c59e88cd82ef0e2e3584268d1f4c_coinminer_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1916
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\wmpjm.exe "C:\Users\Admin\AppData\Local\Temp\2026-07-29_60d8c59e88cd82ef0e2e3584268d1f4c_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:3320
- - 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:4340
- - C:\Users\Admin\AppData\Local\Temp\wmpjm.exe
    C:\Users\Admin\AppData\Local\Temp\\wmpjm.exe "C:\Users\Admin\AppData\Local\Temp\2026-07-29_60d8c59e88cd82ef0e2e3584268d1f4c_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:1440
  - - \??\c:\Program Files\rmhpl\sxowvdztz.exe
      "c:\Program Files\rmhpl\sxowvdztz.exe" "c:\Program Files\rmhpl\sxowvdztz.dll",Interface C:\Users\Admin\AppData\Local\Temp\wmpjm.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:3136

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

sxowvdztz.exe

Path C:\Program Files\rmhpl\sxowvdztz.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

wmpjm.exe

Path C:\Users\Admin\AppData\Local\Temp\wmpjm.exe
Size 236KB
SHA256 4d979d01f843195906dbaae529562e61f58b7e6bc2e624b0e380dec6c5959c1a
MD5 962e1585fd5efbec5bfdc7d1e24120b5
SHA1 9430db65ad3c7bf64072c36fe2bb0b5d2929fdf4
SHA512 bf18dea2eb6be2cdc87356f6b7a5c3cf73a4828e8e4aa56d10569ffbfbbc2f07c58a23e4b28457e0a4af2c9691229a699e6e5a9de14443ae230bb06abfee3733
SSDEEP 6144:eMgmYA/npA6SUqfjKfr4QdsICWkZ3h1SLCDFqnetKSoci:tgmYA/nsYf8QdsINkZ6CQetFI
TLSH
T1DA34F18136A5CD77F0221B7D4D7B163B8536BE691B40709BD3C4AE4FB431AE46E2E209
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

sxowvdztz.dll

Path \??\c:\Program Files\rmhpl\sxowvdztz.dll
Size 168KB
SHA256 3770aeea138457b41daf45de2f0fac63c03ff37a6fae54e6f2761a13e8cc96b1
MD5 a03c728673b33a94ba0d1eb158fa78f6
SHA1 9adcc96772ffe2e840540a1b2a55918624ffb746
SHA512 399aeedf358d2b6e6613eb049a8ddedda56af72992efb240e32a74b78ad9f279af8446d4bff3c0e2be3820cc6e8848aea6f2ee27a2dfd44bbfa30625ba72d6aa
SSDEEP 3072:S25S8qsPfVoCxEI5GRycgzQkf2+JKC8L1MwwYsg89R5gZMQ:SJ8T1xE3ocg9f2nfLnwYsxf2ZZ
TLSH
T197F312D3EFB649E0C0361BB07C53C10FB8620CA498715B5553D9BEEA3DA668E493D3A1
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1440-7-0x0000000000400000-0x0000000000468000-memory.dmp

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memory/1916-0-0x0000000000400000-0x0000000000468000-memory.dmp

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memory/1916-2-0x0000000000400000-0x0000000000468000-memory.dmp

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memory/3136-10-0x0000000010000000-0x000000001006D000-memory.dmp

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memory/3136-11-0x0000000010000000-0x000000001006D000-memory.dmp

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memory/3136-14-0x0000000010000000-0x000000001006D000-memory.dmp

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