Malware Analysis Report

2025-01-02 15:17

Sample ID 240625-wya3daxgmn
Target a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b
SHA256 a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b
Tags
gh0strat purplefox discovery persistence rat rootkit trojan upx
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b

Threat Level: Known bad

The file a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b was found to be: Known bad.

Malicious Activity Summary

gh0strat purplefox discovery persistence rat rootkit trojan upx

Gh0strat

Detect PurpleFox Rootkit

PurpleFox

Gh0st RAT payload

Sets service image path in registry

Server Software Component: Terminal Services DLL

Drops file in Drivers directory

Executes dropped EXE

UPX packed file

Loads dropped DLL

Checks installed software on the system

Drops file in System32 directory

Drops file in Program Files directory

Unsigned PE

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Runs ping.exe

Suspicious behavior: LoadsDriver

Suspicious use of SetWindowsHookEx

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-25 18:19

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-25 18:19

Reported

2024-06-25 18:21

Platform

win7-20240221-en

Max time kernel

150s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe"

Signatures

Detect PurpleFox Rootkit

rootkit
Description Indicator Process Target
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Gh0st RAT payload

Description Indicator Process Target
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Gh0strat

rat gh0strat

PurpleFox

rootkit trojan purplefox

Drops file in Drivers directory

Description Indicator Process Target
File created C:\Windows\system32\drivers\QAssist.sys C:\Windows\SysWOW64\TXPlatforn.exe N/A

Sets service image path in registry

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\QAssist\ImagePath = "system32\\DRIVERS\\QAssist.sys" C:\Windows\SysWOW64\TXPlatforn.exe N/A

UPX packed file

upx
Description Indicator Process Target
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Checks installed software on the system

discovery

Drops file in System32 directory

Description Indicator Process Target
File created C:\Windows\SysWOW64\TXPlatforn.exe C:\Users\Admin\AppData\Local\Temp\svchost.exe N/A
File opened for modification C:\Windows\SysWOW64\TXPlatforn.exe C:\Users\Admin\AppData\Local\Temp\svchost.exe N/A
File created C:\Windows\SysWOW64\259399663.txt C:\Users\Admin\AppData\Local\Temp\svchos.exe N/A

Drops file in Program Files directory

Description Indicator Process Target
File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe C:\Users\Admin\AppData\Local\Temp\a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe N/A
File opened for modification C:\Program Files\Mozilla Firefox\firefox.exe C:\Users\Admin\AppData\Local\Temp\a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe N/A
File created C:\Program Files (x86)\Google\Chrome\Application\chrome.exe C:\Users\Admin\AppData\Local\Temp\a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe N/A
File opened for modification C:\Program Files\VideoLAN\VLC\vlc.exe C:\Users\Admin\AppData\Local\Temp\a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe N/A

Enumerates physical storage devices

Runs ping.exe

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\PING.EXE N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe N/A

Suspicious behavior: LoadsDriver

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\TXPlatforn.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\svchost.exe N/A
Token: SeLoadDriverPrivilege N/A C:\Windows\SysWOW64\TXPlatforn.exe N/A
Token: 33 N/A C:\Windows\SysWOW64\TXPlatforn.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\SysWOW64\TXPlatforn.exe N/A
Token: 33 N/A C:\Windows\SysWOW64\TXPlatforn.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\SysWOW64\TXPlatforn.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1676 wrote to memory of 1948 N/A C:\Users\Admin\AppData\Local\Temp\a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe C:\Users\Admin\AppData\Local\Temp\svchost.exe
PID 1676 wrote to memory of 1948 N/A C:\Users\Admin\AppData\Local\Temp\a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe C:\Users\Admin\AppData\Local\Temp\svchost.exe
PID 1676 wrote to memory of 1948 N/A C:\Users\Admin\AppData\Local\Temp\a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe C:\Users\Admin\AppData\Local\Temp\svchost.exe
PID 1676 wrote to memory of 1948 N/A C:\Users\Admin\AppData\Local\Temp\a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe C:\Users\Admin\AppData\Local\Temp\svchost.exe
PID 1676 wrote to memory of 1948 N/A C:\Users\Admin\AppData\Local\Temp\a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe C:\Users\Admin\AppData\Local\Temp\svchost.exe
PID 1676 wrote to memory of 1948 N/A C:\Users\Admin\AppData\Local\Temp\a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe C:\Users\Admin\AppData\Local\Temp\svchost.exe
PID 1676 wrote to memory of 1948 N/A C:\Users\Admin\AppData\Local\Temp\a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe C:\Users\Admin\AppData\Local\Temp\svchost.exe
PID 1948 wrote to memory of 2148 N/A C:\Users\Admin\AppData\Local\Temp\svchost.exe C:\Windows\SysWOW64\cmd.exe
PID 1948 wrote to memory of 2148 N/A C:\Users\Admin\AppData\Local\Temp\svchost.exe C:\Windows\SysWOW64\cmd.exe
PID 1948 wrote to memory of 2148 N/A C:\Users\Admin\AppData\Local\Temp\svchost.exe C:\Windows\SysWOW64\cmd.exe
PID 1948 wrote to memory of 2148 N/A C:\Users\Admin\AppData\Local\Temp\svchost.exe C:\Windows\SysWOW64\cmd.exe
PID 1676 wrote to memory of 2568 N/A C:\Users\Admin\AppData\Local\Temp\a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe C:\Users\Admin\AppData\Local\Temp\svchos.exe
PID 1676 wrote to memory of 2568 N/A C:\Users\Admin\AppData\Local\Temp\a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe C:\Users\Admin\AppData\Local\Temp\svchos.exe
PID 1676 wrote to memory of 2568 N/A C:\Users\Admin\AppData\Local\Temp\a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe C:\Users\Admin\AppData\Local\Temp\svchos.exe
PID 1676 wrote to memory of 2568 N/A C:\Users\Admin\AppData\Local\Temp\a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe C:\Users\Admin\AppData\Local\Temp\svchos.exe
PID 1284 wrote to memory of 2872 N/A C:\Windows\SysWOW64\TXPlatforn.exe C:\Windows\SysWOW64\TXPlatforn.exe
PID 1284 wrote to memory of 2872 N/A C:\Windows\SysWOW64\TXPlatforn.exe C:\Windows\SysWOW64\TXPlatforn.exe
PID 1284 wrote to memory of 2872 N/A C:\Windows\SysWOW64\TXPlatforn.exe C:\Windows\SysWOW64\TXPlatforn.exe
PID 1284 wrote to memory of 2872 N/A C:\Windows\SysWOW64\TXPlatforn.exe C:\Windows\SysWOW64\TXPlatforn.exe
PID 1284 wrote to memory of 2872 N/A C:\Windows\SysWOW64\TXPlatforn.exe C:\Windows\SysWOW64\TXPlatforn.exe
PID 1284 wrote to memory of 2872 N/A C:\Windows\SysWOW64\TXPlatforn.exe C:\Windows\SysWOW64\TXPlatforn.exe
PID 1284 wrote to memory of 2872 N/A C:\Windows\SysWOW64\TXPlatforn.exe C:\Windows\SysWOW64\TXPlatforn.exe
PID 1676 wrote to memory of 2708 N/A C:\Users\Admin\AppData\Local\Temp\a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe C:\Users\Admin\AppData\Local\Temp\HD_a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe
PID 1676 wrote to memory of 2708 N/A C:\Users\Admin\AppData\Local\Temp\a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe C:\Users\Admin\AppData\Local\Temp\HD_a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe
PID 1676 wrote to memory of 2708 N/A C:\Users\Admin\AppData\Local\Temp\a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe C:\Users\Admin\AppData\Local\Temp\HD_a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe
PID 1676 wrote to memory of 2708 N/A C:\Users\Admin\AppData\Local\Temp\a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe C:\Users\Admin\AppData\Local\Temp\HD_a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe
PID 1676 wrote to memory of 2708 N/A C:\Users\Admin\AppData\Local\Temp\a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe C:\Users\Admin\AppData\Local\Temp\HD_a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe
PID 1676 wrote to memory of 2708 N/A C:\Users\Admin\AppData\Local\Temp\a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe C:\Users\Admin\AppData\Local\Temp\HD_a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe
PID 1676 wrote to memory of 2708 N/A C:\Users\Admin\AppData\Local\Temp\a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe C:\Users\Admin\AppData\Local\Temp\HD_a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe
PID 2148 wrote to memory of 2560 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2148 wrote to memory of 2560 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2148 wrote to memory of 2560 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2148 wrote to memory of 2560 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2708 wrote to memory of 2444 N/A C:\Users\Admin\AppData\Local\Temp\HD_a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe C:\Windows\Temp\{709D9B13-42D7-4D9E-A32E-D22AD83B0C7A}\.cr\HD_a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe
PID 2708 wrote to memory of 2444 N/A C:\Users\Admin\AppData\Local\Temp\HD_a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe C:\Windows\Temp\{709D9B13-42D7-4D9E-A32E-D22AD83B0C7A}\.cr\HD_a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe
PID 2708 wrote to memory of 2444 N/A C:\Users\Admin\AppData\Local\Temp\HD_a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe C:\Windows\Temp\{709D9B13-42D7-4D9E-A32E-D22AD83B0C7A}\.cr\HD_a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe
PID 2708 wrote to memory of 2444 N/A C:\Users\Admin\AppData\Local\Temp\HD_a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe C:\Windows\Temp\{709D9B13-42D7-4D9E-A32E-D22AD83B0C7A}\.cr\HD_a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe
PID 2708 wrote to memory of 2444 N/A C:\Users\Admin\AppData\Local\Temp\HD_a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe C:\Windows\Temp\{709D9B13-42D7-4D9E-A32E-D22AD83B0C7A}\.cr\HD_a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe
PID 2708 wrote to memory of 2444 N/A C:\Users\Admin\AppData\Local\Temp\HD_a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe C:\Windows\Temp\{709D9B13-42D7-4D9E-A32E-D22AD83B0C7A}\.cr\HD_a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe
PID 2708 wrote to memory of 2444 N/A C:\Users\Admin\AppData\Local\Temp\HD_a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe C:\Windows\Temp\{709D9B13-42D7-4D9E-A32E-D22AD83B0C7A}\.cr\HD_a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe

Processes

C:\Users\Admin\AppData\Local\Temp\a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe

"C:\Users\Admin\AppData\Local\Temp\a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe"

C:\Users\Admin\AppData\Local\Temp\svchost.exe

C:\Users\Admin\AppData\Local\Temp\\svchost.exe

C:\Windows\SysWOW64\TXPlatforn.exe

C:\Windows\SysWOW64\TXPlatforn.exe -auto

C:\Windows\SysWOW64\cmd.exe

C:\Windows\system32\cmd.exe /c ping -n 2 127.0.0.1 > nul && del C:\Users\Admin\AppData\Local\Temp\svchost.exe > nul

C:\Users\Admin\AppData\Local\Temp\svchos.exe

C:\Users\Admin\AppData\Local\Temp\\svchos.exe

C:\Windows\SysWOW64\TXPlatforn.exe

C:\Windows\SysWOW64\TXPlatforn.exe -acsi

C:\Users\Admin\AppData\Local\Temp\HD_a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe

C:\Users\Admin\AppData\Local\Temp\HD_a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe

C:\Windows\SysWOW64\PING.EXE

ping -n 2 127.0.0.1

C:\Windows\Temp\{709D9B13-42D7-4D9E-A32E-D22AD83B0C7A}\.cr\HD_a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe

"C:\Windows\Temp\{709D9B13-42D7-4D9E-A32E-D22AD83B0C7A}\.cr\HD_a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe" -burn.clean.room="C:\Users\Admin\AppData\Local\Temp\HD_a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe" -burn.filehandle.attached=180 -burn.filehandle.self=188

Network

Country Destination Domain Proto
US 8.8.8.8:53 hackerinvasion.f3322.net udp

Files

\Users\Admin\AppData\Local\Temp\svchost.exe

MD5 a4329177954d4104005bce3020e5ef59
SHA1 23c29e295e2dbb8454012d619ca3f81e4c16e85a
SHA256 6156d003d54dcf2ee92f21bd6e7a6a7f91730bd2804381260bcabe465abe6ddd
SHA512 81e9d456a4abfc7cd9e0943d4a0ce15523362c3179f3368381d1d7974f80a9f9113b5404b96e67e91684e0ea1895b7d0073e4c48d0bfc4fd0244b1af6acf0208

memory/1948-5-0x0000000010000000-0x00000000101B6000-memory.dmp

memory/1948-7-0x0000000010000000-0x00000000101B6000-memory.dmp

memory/1948-9-0x0000000010000000-0x00000000101B6000-memory.dmp

memory/1948-8-0x0000000010000000-0x00000000101B6000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\svchos.exe

MD5 3b377ad877a942ec9f60ea285f7119a2
SHA1 60b23987b20d913982f723ab375eef50fafa6c70
SHA256 62954fdf65e629b39a29f539619d20691332184c6b6be5a826128a8e759bfa84
SHA512 af3a71f867ad9d28772c48b521097f9bf8931eb89fd2974e8de10990241419a39ddc3c0b36dd38aac4fdf14e1f0c5e228692618e93adce958d5b5dab8940e46f

memory/1284-23-0x0000000010000000-0x00000000101B6000-memory.dmp

\Windows\SysWOW64\259399663.txt

MD5 10b74097db214695351f8f7e5b2994a3
SHA1 289a46ca4b8315f61bf19f916350af900d0699aa
SHA256 cca4a301e3ff07dd987e4c8ab45fc9cbfcc34af556b4e66dd2e1a642c6acd932
SHA512 44d053093008b929f2b3fbdbc3ed0e6dc6e6004f9dbb35da780a97975d94aed1a4833ec410d1b67becc7cf53ad654b0cb5d3fbfaab78cfbc6119b9460dc2aca9

memory/2872-33-0x0000000010000000-0x00000000101B6000-memory.dmp

memory/1284-30-0x0000000010000000-0x00000000101B6000-memory.dmp

memory/2872-34-0x0000000010000000-0x00000000101B6000-memory.dmp

memory/2872-31-0x0000000010000000-0x00000000101B6000-memory.dmp

memory/2872-39-0x0000000010000000-0x00000000101B6000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\HD_a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe

MD5 6065c118c0500bbe46ef7d7e16765d9d
SHA1 e6c8771c583f8b0cb0be72f01ea8f166bb979637
SHA256 68ae62ac88f4974b09729f6b78cea6e1c478af8a93341a3b4e4b03fd723e828b
SHA512 a5790e2e3232f851a896b3c835f9e9280b768c6444219b3f49a5f463c547b3d6d4e8321419d7250cb5da663739d6b7dea1b90e1c9c36435e36b903efdae33466

memory/2872-44-0x0000000010000000-0x00000000101B6000-memory.dmp

memory/2872-70-0x0000000010000000-0x00000000101B6000-memory.dmp

\Windows\Temp\{A6834A3B-B595-4829-9946-42FEE182C5A4}\.ba\wixstdba.dll

MD5 eab9caf4277829abdf6223ec1efa0edd
SHA1 74862ecf349a9bedd32699f2a7a4e00b4727543d
SHA256 a4efbdb2ce55788ffe92a244cb775efd475526ef5b61ad78de2bcdfaddac7041
SHA512 45b15ade68e0a90ea7300aeb6dca9bc9e347a63dba5ce72a635957564d1bdf0b1584a5e34191916498850fc7b3b7ecfbcbfcb246b39dbf59d47f66bc825c6fd2

C:\Windows\Temp\{A6834A3B-B595-4829-9946-42FEE182C5A4}\.ba\logo.png

MD5 d6bd210f227442b3362493d046cea233
SHA1 ff286ac8370fc655aea0ef35e9cf0bfcb6d698de
SHA256 335a256d4779ec5dcf283d007fb56fd8211bbcaf47dcd70fe60ded6a112744ef
SHA512 464aaab9e08de610ad34b97d4076e92dc04c2cdc6669f60bfc50f0f9ce5d71c31b8943bd84cee1a04fb9ab5bbed3442bd41d9cb21a0dd170ea97c463e1ce2b5b

C:\Users\Admin\AppData\Local\Temp\HD_X.dat

MD5 296ab41bd0c1ebaf6df4342b048cb9da
SHA1 b731facd26f40aff2afe3373273674b44a3f43ba
SHA256 3aacd468a9c8313257868679aad03762e4cb278aef3200ffea24e657dc770add
SHA512 c3f7820a9c8f61d40e935bb47aef7364b4be0c71c7824a9d8171e66a8fe51a463301befa3bb97ffab113220e2cd760062ae7472204cbd867316705d551476f7e

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-25 18:19

Reported

2024-06-25 18:21

Platform

win10v2004-20240508-en

Max time kernel

150s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe"

Signatures

Detect PurpleFox Rootkit

rootkit
Description Indicator Process Target
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Gh0st RAT payload

Description Indicator Process Target
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Gh0strat

rat gh0strat

PurpleFox

rootkit trojan purplefox

Drops file in Drivers directory

Description Indicator Process Target
File created C:\Windows\system32\drivers\QAssist.sys C:\Windows\SysWOW64\TXPlatforn.exe N/A

Server Software Component: Terminal Services DLL

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Ö÷¶¯·ÀÓù·þÎñÄ£¿é\Parameters\ServiceDll = "C:\\Windows\\system32\\240600906.txt" C:\Users\Admin\AppData\Local\Temp\svchos.exe N/A

Sets service image path in registry

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\QAssist\ImagePath = "system32\\DRIVERS\\QAssist.sys" C:\Windows\SysWOW64\TXPlatforn.exe N/A

UPX packed file

upx
Description Indicator Process Target
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Checks installed software on the system

discovery

Drops file in System32 directory

Description Indicator Process Target
File created C:\Windows\SysWOW64\TXPlatforn.exe C:\Users\Admin\AppData\Local\Temp\svchost.exe N/A
File opened for modification C:\Windows\SysWOW64\TXPlatforn.exe C:\Users\Admin\AppData\Local\Temp\svchost.exe N/A
File created C:\Windows\SysWOW64\240600906.txt C:\Users\Admin\AppData\Local\Temp\svchos.exe N/A
File opened for modification C:\Windows\SysWOW64\ini.ini C:\Users\Admin\AppData\Local\Temp\svchos.exe N/A
File created C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe C:\Windows\SysWOW64\svchost.exe N/A
File opened for modification C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe C:\Windows\SysWOW64\svchost.exe N/A

Drops file in Program Files directory

Description Indicator Process Target
File opened for modification C:\Program Files\Mozilla Firefox\firefox.exe C:\Users\Admin\AppData\Local\Temp\a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe N/A
File created C:\Program Files (x86)\Google\Chrome\Application\chrome.exe C:\Users\Admin\AppData\Local\Temp\a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe N/A
File opened for modification C:\Program Files\VideoLAN\VLC\vlc.exe C:\Users\Admin\AppData\Local\Temp\a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe N/A
File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe C:\Users\Admin\AppData\Local\Temp\a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe N/A
File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe C:\Users\Admin\AppData\Local\Temp\a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe N/A

Enumerates physical storage devices

Runs ping.exe

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\PING.EXE N/A

Suspicious behavior: LoadsDriver

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\TXPlatforn.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\svchost.exe N/A
Token: SeLoadDriverPrivilege N/A C:\Windows\SysWOW64\TXPlatforn.exe N/A
Token: 33 N/A C:\Windows\SysWOW64\TXPlatforn.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\SysWOW64\TXPlatforn.exe N/A
Token: 33 N/A C:\Windows\SysWOW64\TXPlatforn.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\SysWOW64\TXPlatforn.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2424 wrote to memory of 2372 N/A C:\Users\Admin\AppData\Local\Temp\a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe C:\Users\Admin\AppData\Local\Temp\svchost.exe
PID 2424 wrote to memory of 2372 N/A C:\Users\Admin\AppData\Local\Temp\a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe C:\Users\Admin\AppData\Local\Temp\svchost.exe
PID 2424 wrote to memory of 2372 N/A C:\Users\Admin\AppData\Local\Temp\a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe C:\Users\Admin\AppData\Local\Temp\svchost.exe
PID 2372 wrote to memory of 4788 N/A C:\Users\Admin\AppData\Local\Temp\svchost.exe C:\Windows\SysWOW64\cmd.exe
PID 2372 wrote to memory of 4788 N/A C:\Users\Admin\AppData\Local\Temp\svchost.exe C:\Windows\SysWOW64\cmd.exe
PID 2372 wrote to memory of 4788 N/A C:\Users\Admin\AppData\Local\Temp\svchost.exe C:\Windows\SysWOW64\cmd.exe
PID 1688 wrote to memory of 1860 N/A C:\Windows\SysWOW64\TXPlatforn.exe C:\Windows\SysWOW64\TXPlatforn.exe
PID 1688 wrote to memory of 1860 N/A C:\Windows\SysWOW64\TXPlatforn.exe C:\Windows\SysWOW64\TXPlatforn.exe
PID 1688 wrote to memory of 1860 N/A C:\Windows\SysWOW64\TXPlatforn.exe C:\Windows\SysWOW64\TXPlatforn.exe
PID 2424 wrote to memory of 492 N/A C:\Users\Admin\AppData\Local\Temp\a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe C:\Users\Admin\AppData\Local\Temp\svchos.exe
PID 2424 wrote to memory of 492 N/A C:\Users\Admin\AppData\Local\Temp\a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe C:\Users\Admin\AppData\Local\Temp\svchos.exe
PID 2424 wrote to memory of 492 N/A C:\Users\Admin\AppData\Local\Temp\a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe C:\Users\Admin\AppData\Local\Temp\svchos.exe
PID 4788 wrote to memory of 3488 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 4788 wrote to memory of 3488 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 4788 wrote to memory of 3488 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2424 wrote to memory of 3972 N/A C:\Users\Admin\AppData\Local\Temp\a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe C:\Users\Admin\AppData\Local\Temp\HD_a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe
PID 2424 wrote to memory of 3972 N/A C:\Users\Admin\AppData\Local\Temp\a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe C:\Users\Admin\AppData\Local\Temp\HD_a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe
PID 2424 wrote to memory of 3972 N/A C:\Users\Admin\AppData\Local\Temp\a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe C:\Users\Admin\AppData\Local\Temp\HD_a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe
PID 3972 wrote to memory of 1624 N/A C:\Users\Admin\AppData\Local\Temp\HD_a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe C:\Windows\Temp\{2B53CF4A-8C9F-4060-A4A9-3D23C4046642}\.cr\HD_a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe
PID 3972 wrote to memory of 1624 N/A C:\Users\Admin\AppData\Local\Temp\HD_a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe C:\Windows\Temp\{2B53CF4A-8C9F-4060-A4A9-3D23C4046642}\.cr\HD_a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe
PID 3972 wrote to memory of 1624 N/A C:\Users\Admin\AppData\Local\Temp\HD_a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe C:\Windows\Temp\{2B53CF4A-8C9F-4060-A4A9-3D23C4046642}\.cr\HD_a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe
PID 992 wrote to memory of 3236 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
PID 992 wrote to memory of 3236 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
PID 992 wrote to memory of 3236 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

Processes

C:\Users\Admin\AppData\Local\Temp\a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe

"C:\Users\Admin\AppData\Local\Temp\a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe"

C:\Users\Admin\AppData\Local\Temp\svchost.exe

C:\Users\Admin\AppData\Local\Temp\\svchost.exe

C:\Windows\SysWOW64\TXPlatforn.exe

C:\Windows\SysWOW64\TXPlatforn.exe -auto

C:\Windows\SysWOW64\TXPlatforn.exe

C:\Windows\SysWOW64\TXPlatforn.exe -acsi

C:\Windows\SysWOW64\cmd.exe

C:\Windows\system32\cmd.exe /c ping -n 2 127.0.0.1 > nul && del C:\Users\Admin\AppData\Local\Temp\svchost.exe > nul

C:\Users\Admin\AppData\Local\Temp\svchos.exe

C:\Users\Admin\AppData\Local\Temp\\svchos.exe

C:\Windows\SysWOW64\svchost.exe

C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"

C:\Windows\SysWOW64\svchost.exe

C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"

C:\Users\Admin\AppData\Local\Temp\HD_a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe

C:\Users\Admin\AppData\Local\Temp\HD_a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe

C:\Windows\SysWOW64\PING.EXE

ping -n 2 127.0.0.1

C:\Windows\Temp\{2B53CF4A-8C9F-4060-A4A9-3D23C4046642}\.cr\HD_a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe

"C:\Windows\Temp\{2B53CF4A-8C9F-4060-A4A9-3D23C4046642}\.cr\HD_a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe" -burn.clean.room="C:\Users\Admin\AppData\Local\Temp\HD_a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe" -burn.filehandle.attached=540 -burn.filehandle.self=548

C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\240600906.txt",MainThread

Network

Country Destination Domain Proto
US 8.8.8.8:53 hackerinvasion.f3322.net udp
US 8.8.8.8:53 hackerinvasion.f3322.net udp
US 8.8.8.8:53 hackerinvasion.f3322.net udp
US 8.8.8.8:53 hackerinvasion.f3322.net udp
US 8.8.8.8:53 hackerinvasion.f3322.net udp
US 8.8.8.8:53 hackerinvasion.f3322.net udp
US 8.8.8.8:53 hackerinvasion.f3322.net udp
US 8.8.8.8:53 hackerinvasion.f3322.net udp
US 8.8.8.8:53 hackerinvasion.f3322.net udp
US 8.8.8.8:53 hackerinvasion.f3322.net udp
US 8.8.8.8:53 hackerinvasion.f3322.net udp
US 8.8.8.8:53 hackerinvasion.f3322.net udp

Files

C:\Users\Admin\AppData\Local\Temp\svchost.exe

MD5 a4329177954d4104005bce3020e5ef59
SHA1 23c29e295e2dbb8454012d619ca3f81e4c16e85a
SHA256 6156d003d54dcf2ee92f21bd6e7a6a7f91730bd2804381260bcabe465abe6ddd
SHA512 81e9d456a4abfc7cd9e0943d4a0ce15523362c3179f3368381d1d7974f80a9f9113b5404b96e67e91684e0ea1895b7d0073e4c48d0bfc4fd0244b1af6acf0208

memory/2372-7-0x0000000010000000-0x00000000101B6000-memory.dmp

memory/2372-6-0x0000000010000000-0x00000000101B6000-memory.dmp

memory/2372-10-0x0000000010000000-0x00000000101B6000-memory.dmp

memory/2372-4-0x0000000010000000-0x00000000101B6000-memory.dmp

memory/1688-13-0x0000000010000000-0x00000000101B6000-memory.dmp

memory/1688-16-0x0000000010000000-0x00000000101B6000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\svchos.exe

MD5 3b377ad877a942ec9f60ea285f7119a2
SHA1 60b23987b20d913982f723ab375eef50fafa6c70
SHA256 62954fdf65e629b39a29f539619d20691332184c6b6be5a826128a8e759bfa84
SHA512 af3a71f867ad9d28772c48b521097f9bf8931eb89fd2974e8de10990241419a39ddc3c0b36dd38aac4fdf14e1f0c5e228692618e93adce958d5b5dab8940e46f

C:\Windows\SysWOW64\240600906.txt

MD5 10b74097db214695351f8f7e5b2994a3
SHA1 289a46ca4b8315f61bf19f916350af900d0699aa
SHA256 cca4a301e3ff07dd987e4c8ab45fc9cbfcc34af556b4e66dd2e1a642c6acd932
SHA512 44d053093008b929f2b3fbdbc3ed0e6dc6e6004f9dbb35da780a97975d94aed1a4833ec410d1b67becc7cf53ad654b0cb5d3fbfaab78cfbc6119b9460dc2aca9

memory/1860-37-0x0000000010000000-0x00000000101B6000-memory.dmp

memory/1860-42-0x0000000010000000-0x00000000101B6000-memory.dmp

memory/1860-45-0x0000000010000000-0x00000000101B6000-memory.dmp

memory/1688-26-0x0000000010000000-0x00000000101B6000-memory.dmp

memory/1860-25-0x0000000010000000-0x00000000101B6000-memory.dmp

memory/1688-24-0x0000000010000000-0x00000000101B6000-memory.dmp

memory/1688-15-0x0000000010000000-0x00000000101B6000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\HD_a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe

MD5 6065c118c0500bbe46ef7d7e16765d9d
SHA1 e6c8771c583f8b0cb0be72f01ea8f166bb979637
SHA256 68ae62ac88f4974b09729f6b78cea6e1c478af8a93341a3b4e4b03fd723e828b
SHA512 a5790e2e3232f851a896b3c835f9e9280b768c6444219b3f49a5f463c547b3d6d4e8321419d7250cb5da663739d6b7dea1b90e1c9c36435e36b903efdae33466

C:\Windows\Temp\{1D1F42F0-0D25-4244-A703-F4D3BFD1DE49}\.ba\wixstdba.dll

MD5 eab9caf4277829abdf6223ec1efa0edd
SHA1 74862ecf349a9bedd32699f2a7a4e00b4727543d
SHA256 a4efbdb2ce55788ffe92a244cb775efd475526ef5b61ad78de2bcdfaddac7041
SHA512 45b15ade68e0a90ea7300aeb6dca9bc9e347a63dba5ce72a635957564d1bdf0b1584a5e34191916498850fc7b3b7ecfbcbfcb246b39dbf59d47f66bc825c6fd2

C:\Windows\Temp\{1D1F42F0-0D25-4244-A703-F4D3BFD1DE49}\.ba\logo.png

MD5 d6bd210f227442b3362493d046cea233
SHA1 ff286ac8370fc655aea0ef35e9cf0bfcb6d698de
SHA256 335a256d4779ec5dcf283d007fb56fd8211bbcaf47dcd70fe60ded6a112744ef
SHA512 464aaab9e08de610ad34b97d4076e92dc04c2cdc6669f60bfc50f0f9ce5d71c31b8943bd84cee1a04fb9ab5bbed3442bd41d9cb21a0dd170ea97c463e1ce2b5b

C:\Users\Admin\AppData\Local\Temp\HD_X.dat

MD5 296ab41bd0c1ebaf6df4342b048cb9da
SHA1 b731facd26f40aff2afe3373273674b44a3f43ba
SHA256 3aacd468a9c8313257868679aad03762e4cb278aef3200ffea24e657dc770add
SHA512 c3f7820a9c8f61d40e935bb47aef7364b4be0c71c7824a9d8171e66a8fe51a463301befa3bb97ffab113220e2cd760062ae7472204cbd867316705d551476f7e

C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

MD5 889b99c52a60dd49227c5e485a016679
SHA1 8fa889e456aa646a4d0a4349977430ce5fa5e2d7
SHA256 6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910
SHA512 08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641