Malware Analysis Report

2025-01-02 15:17

Sample ID 240625-w9tnvswcqd
Target cd2fd2638217e5b4002c25d69bf2ab79313789836473f66b5a7220d908295737
SHA256 cd2fd2638217e5b4002c25d69bf2ab79313789836473f66b5a7220d908295737
Tags
gh0strat purplefox bootkit evasion 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

cd2fd2638217e5b4002c25d69bf2ab79313789836473f66b5a7220d908295737

Threat Level: Known bad

The file cd2fd2638217e5b4002c25d69bf2ab79313789836473f66b5a7220d908295737 was found to be: Known bad.

Malicious Activity Summary

gh0strat purplefox bootkit evasion persistence rat rootkit trojan upx

Gh0strat

Gh0st RAT payload

Detect PurpleFox Rootkit

PurpleFox

Identifies VirtualBox via ACPI registry values (likely anti-VM)

Sets service image path in registry

Drops file in Drivers directory

Server Software Component: Terminal Services DLL

Checks BIOS information in registry

Executes dropped EXE

Loads dropped DLL

UPX packed file

Writes to the Master Boot Record (MBR)

Checks whether UAC is enabled

Suspicious use of NtSetInformationThreadHideFromDebugger

Drops file in System32 directory

Drops file in Program Files directory

Program crash

Unsigned PE

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: LoadsDriver

Suspicious use of WriteProcessMemory

Runs ping.exe

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-25 18:37

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-25 18:37

Reported

2024-06-25 18:40

Platform

win7-20240508-en

Max time kernel

150s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\cd2fd2638217e5b4002c25d69bf2ab79313789836473f66b5a7220d908295737.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

Identifies VirtualBox via ACPI registry values (likely anti-VM)

evasion
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ C:\Users\Admin\AppData\Local\Temp\HD_cd2fd2638217e5b4002c25d69bf2ab79313789836473f66b5a7220d908295737.exe N/A

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\\259397230.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

Checks BIOS information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate C:\Users\Admin\AppData\Local\Temp\HD_cd2fd2638217e5b4002c25d69bf2ab79313789836473f66b5a7220d908295737.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Users\Admin\AppData\Local\Temp\HD_cd2fd2638217e5b4002c25d69bf2ab79313789836473f66b5a7220d908295737.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\HD_cd2fd2638217e5b4002c25d69bf2ab79313789836473f66b5a7220d908295737.exe N/A

UPX packed file

upx
Description Indicator Process Target
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Checks whether UAC is enabled

evasion trojan
Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA C:\Users\Admin\AppData\Local\Temp\HD_cd2fd2638217e5b4002c25d69bf2ab79313789836473f66b5a7220d908295737.exe N/A

Writes to the Master Boot Record (MBR)

bootkit persistence
Description Indicator Process Target
File opened for modification \??\PhysicalDrive0 C:\Users\Admin\AppData\Local\Temp\HD_cd2fd2638217e5b4002c25d69bf2ab79313789836473f66b5a7220d908295737.exe N/A

Drops file in System32 directory

Description Indicator Process Target
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
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\259397230.txt C:\Users\Admin\AppData\Local\Temp\svchos.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\HD_cd2fd2638217e5b4002c25d69bf2ab79313789836473f66b5a7220d908295737.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\cd2fd2638217e5b4002c25d69bf2ab79313789836473f66b5a7220d908295737.exe N/A
File opened for modification C:\Program Files\Mozilla Firefox\firefox.exe C:\Users\Admin\AppData\Local\Temp\cd2fd2638217e5b4002c25d69bf2ab79313789836473f66b5a7220d908295737.exe N/A
File created C:\Program Files (x86)\Google\Chrome\Application\chrome.exe C:\Users\Admin\AppData\Local\Temp\cd2fd2638217e5b4002c25d69bf2ab79313789836473f66b5a7220d908295737.exe N/A
File opened for modification C:\Program Files\VideoLAN\VLC\vlc.exe C:\Users\Admin\AppData\Local\Temp\cd2fd2638217e5b4002c25d69bf2ab79313789836473f66b5a7220d908295737.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 1988 wrote to memory of 1248 N/A C:\Users\Admin\AppData\Local\Temp\cd2fd2638217e5b4002c25d69bf2ab79313789836473f66b5a7220d908295737.exe C:\Users\Admin\AppData\Local\Temp\svchost.exe
PID 1988 wrote to memory of 1248 N/A C:\Users\Admin\AppData\Local\Temp\cd2fd2638217e5b4002c25d69bf2ab79313789836473f66b5a7220d908295737.exe C:\Users\Admin\AppData\Local\Temp\svchost.exe
PID 1988 wrote to memory of 1248 N/A C:\Users\Admin\AppData\Local\Temp\cd2fd2638217e5b4002c25d69bf2ab79313789836473f66b5a7220d908295737.exe C:\Users\Admin\AppData\Local\Temp\svchost.exe
PID 1988 wrote to memory of 1248 N/A C:\Users\Admin\AppData\Local\Temp\cd2fd2638217e5b4002c25d69bf2ab79313789836473f66b5a7220d908295737.exe C:\Users\Admin\AppData\Local\Temp\svchost.exe
PID 1988 wrote to memory of 1248 N/A C:\Users\Admin\AppData\Local\Temp\cd2fd2638217e5b4002c25d69bf2ab79313789836473f66b5a7220d908295737.exe C:\Users\Admin\AppData\Local\Temp\svchost.exe
PID 1988 wrote to memory of 1248 N/A C:\Users\Admin\AppData\Local\Temp\cd2fd2638217e5b4002c25d69bf2ab79313789836473f66b5a7220d908295737.exe C:\Users\Admin\AppData\Local\Temp\svchost.exe
PID 1988 wrote to memory of 1248 N/A C:\Users\Admin\AppData\Local\Temp\cd2fd2638217e5b4002c25d69bf2ab79313789836473f66b5a7220d908295737.exe C:\Users\Admin\AppData\Local\Temp\svchost.exe
PID 1248 wrote to memory of 2680 N/A C:\Users\Admin\AppData\Local\Temp\svchost.exe C:\Windows\SysWOW64\cmd.exe
PID 1248 wrote to memory of 2680 N/A C:\Users\Admin\AppData\Local\Temp\svchost.exe C:\Windows\SysWOW64\cmd.exe
PID 1248 wrote to memory of 2680 N/A C:\Users\Admin\AppData\Local\Temp\svchost.exe C:\Windows\SysWOW64\cmd.exe
PID 1248 wrote to memory of 2680 N/A C:\Users\Admin\AppData\Local\Temp\svchost.exe C:\Windows\SysWOW64\cmd.exe
PID 1988 wrote to memory of 2496 N/A C:\Users\Admin\AppData\Local\Temp\cd2fd2638217e5b4002c25d69bf2ab79313789836473f66b5a7220d908295737.exe C:\Users\Admin\AppData\Local\Temp\svchos.exe
PID 1988 wrote to memory of 2496 N/A C:\Users\Admin\AppData\Local\Temp\cd2fd2638217e5b4002c25d69bf2ab79313789836473f66b5a7220d908295737.exe C:\Users\Admin\AppData\Local\Temp\svchos.exe
PID 1988 wrote to memory of 2496 N/A C:\Users\Admin\AppData\Local\Temp\cd2fd2638217e5b4002c25d69bf2ab79313789836473f66b5a7220d908295737.exe C:\Users\Admin\AppData\Local\Temp\svchos.exe
PID 1988 wrote to memory of 2496 N/A C:\Users\Admin\AppData\Local\Temp\cd2fd2638217e5b4002c25d69bf2ab79313789836473f66b5a7220d908295737.exe C:\Users\Admin\AppData\Local\Temp\svchos.exe
PID 2596 wrote to memory of 2740 N/A C:\Windows\SysWOW64\TXPlatforn.exe C:\Windows\SysWOW64\TXPlatforn.exe
PID 2596 wrote to memory of 2740 N/A C:\Windows\SysWOW64\TXPlatforn.exe C:\Windows\SysWOW64\TXPlatforn.exe
PID 2596 wrote to memory of 2740 N/A C:\Windows\SysWOW64\TXPlatforn.exe C:\Windows\SysWOW64\TXPlatforn.exe
PID 2596 wrote to memory of 2740 N/A C:\Windows\SysWOW64\TXPlatforn.exe C:\Windows\SysWOW64\TXPlatforn.exe
PID 2596 wrote to memory of 2740 N/A C:\Windows\SysWOW64\TXPlatforn.exe C:\Windows\SysWOW64\TXPlatforn.exe
PID 2596 wrote to memory of 2740 N/A C:\Windows\SysWOW64\TXPlatforn.exe C:\Windows\SysWOW64\TXPlatforn.exe
PID 2596 wrote to memory of 2740 N/A C:\Windows\SysWOW64\TXPlatforn.exe C:\Windows\SysWOW64\TXPlatforn.exe
PID 2680 wrote to memory of 2840 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2680 wrote to memory of 2840 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2680 wrote to memory of 2840 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2680 wrote to memory of 2840 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 1988 wrote to memory of 3036 N/A C:\Users\Admin\AppData\Local\Temp\cd2fd2638217e5b4002c25d69bf2ab79313789836473f66b5a7220d908295737.exe C:\Users\Admin\AppData\Local\Temp\HD_cd2fd2638217e5b4002c25d69bf2ab79313789836473f66b5a7220d908295737.exe
PID 1988 wrote to memory of 3036 N/A C:\Users\Admin\AppData\Local\Temp\cd2fd2638217e5b4002c25d69bf2ab79313789836473f66b5a7220d908295737.exe C:\Users\Admin\AppData\Local\Temp\HD_cd2fd2638217e5b4002c25d69bf2ab79313789836473f66b5a7220d908295737.exe
PID 1988 wrote to memory of 3036 N/A C:\Users\Admin\AppData\Local\Temp\cd2fd2638217e5b4002c25d69bf2ab79313789836473f66b5a7220d908295737.exe C:\Users\Admin\AppData\Local\Temp\HD_cd2fd2638217e5b4002c25d69bf2ab79313789836473f66b5a7220d908295737.exe
PID 1988 wrote to memory of 3036 N/A C:\Users\Admin\AppData\Local\Temp\cd2fd2638217e5b4002c25d69bf2ab79313789836473f66b5a7220d908295737.exe C:\Users\Admin\AppData\Local\Temp\HD_cd2fd2638217e5b4002c25d69bf2ab79313789836473f66b5a7220d908295737.exe
PID 3036 wrote to memory of 1860 N/A C:\Users\Admin\AppData\Local\Temp\HD_cd2fd2638217e5b4002c25d69bf2ab79313789836473f66b5a7220d908295737.exe C:\Windows\SysWOW64\WerFault.exe
PID 3036 wrote to memory of 1860 N/A C:\Users\Admin\AppData\Local\Temp\HD_cd2fd2638217e5b4002c25d69bf2ab79313789836473f66b5a7220d908295737.exe C:\Windows\SysWOW64\WerFault.exe
PID 3036 wrote to memory of 1860 N/A C:\Users\Admin\AppData\Local\Temp\HD_cd2fd2638217e5b4002c25d69bf2ab79313789836473f66b5a7220d908295737.exe C:\Windows\SysWOW64\WerFault.exe
PID 3036 wrote to memory of 1860 N/A C:\Users\Admin\AppData\Local\Temp\HD_cd2fd2638217e5b4002c25d69bf2ab79313789836473f66b5a7220d908295737.exe C:\Windows\SysWOW64\WerFault.exe
PID 2488 wrote to memory of 2464 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
PID 2488 wrote to memory of 2464 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
PID 2488 wrote to memory of 2464 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
PID 2488 wrote to memory of 2464 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

Processes

C:\Users\Admin\AppData\Local\Temp\cd2fd2638217e5b4002c25d69bf2ab79313789836473f66b5a7220d908295737.exe

"C:\Users\Admin\AppData\Local\Temp\cd2fd2638217e5b4002c25d69bf2ab79313789836473f66b5a7220d908295737.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:\Windows\SysWOW64\PING.EXE

ping -n 2 127.0.0.1

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_cd2fd2638217e5b4002c25d69bf2ab79313789836473f66b5a7220d908295737.exe

C:\Users\Admin\AppData\Local\Temp\HD_cd2fd2638217e5b4002c25d69bf2ab79313789836473f66b5a7220d908295737.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3036 -s 736

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

C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\259397230.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
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

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

MD5 a4329177954d4104005bce3020e5ef59
SHA1 23c29e295e2dbb8454012d619ca3f81e4c16e85a
SHA256 6156d003d54dcf2ee92f21bd6e7a6a7f91730bd2804381260bcabe465abe6ddd
SHA512 81e9d456a4abfc7cd9e0943d4a0ce15523362c3179f3368381d1d7974f80a9f9113b5404b96e67e91684e0ea1895b7d0073e4c48d0bfc4fd0244b1af6acf0208

memory/1248-5-0x0000000010000000-0x00000000101B6000-memory.dmp

memory/1248-7-0x0000000010000000-0x00000000101B6000-memory.dmp

memory/1248-9-0x0000000010000000-0x00000000101B6000-memory.dmp

memory/1248-8-0x0000000010000000-0x00000000101B6000-memory.dmp

memory/2596-18-0x0000000010000000-0x00000000101B6000-memory.dmp

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

MD5 3b377ad877a942ec9f60ea285f7119a2
SHA1 60b23987b20d913982f723ab375eef50fafa6c70
SHA256 62954fdf65e629b39a29f539619d20691332184c6b6be5a826128a8e759bfa84
SHA512 af3a71f867ad9d28772c48b521097f9bf8931eb89fd2974e8de10990241419a39ddc3c0b36dd38aac4fdf14e1f0c5e228692618e93adce958d5b5dab8940e46f

memory/2596-27-0x0000000010000000-0x00000000101B6000-memory.dmp

\Windows\SysWOW64\259397230.txt

MD5 f42dad9791f2877f286e830bfae050fa
SHA1 9c8cb960d4bb9e26e650644cae0c660447e59af8
SHA256 5da7dac78e9fa2f6a0d0264280632c6eafa73e5b903102bdeeb48d49b781da1a
SHA512 5467b6b969e70c45dff97437ac0f1b6bc648023812e9e488f6aa6a3da238949d4b764d9fe0d73e848c90a9904771769b9ec8ceba6644f4ef0cc046f1a47d7bce

memory/2740-35-0x0000000010000000-0x00000000101B6000-memory.dmp

memory/2740-38-0x0000000010000000-0x00000000101B6000-memory.dmp

\Users\Admin\AppData\Local\Temp\HD_cd2fd2638217e5b4002c25d69bf2ab79313789836473f66b5a7220d908295737.exe

MD5 7d65651595a7892e740949ac6ead4d7a
SHA1 6273a92085f0ce795a9cec0a6b29e7248f5700ff
SHA256 201238949a27d5c2bc087cc7c2413c4b7f225a58bde58c04b6e567814dd9c363
SHA512 cf9265b0948ad601760a6daeacd1b5b046cb4e60212bd6d851d5cda4b29bb41e3b16e8a9069787d63dff8cb6c1f0c404b43dc57676c4dff32f487e8e02ce93c2

memory/1988-51-0x00000000040B0000-0x0000000005232000-memory.dmp

memory/3036-52-0x0000000000A00000-0x0000000001B82000-memory.dmp

memory/2740-53-0x0000000010000000-0x00000000101B6000-memory.dmp

memory/3036-58-0x0000000000A00000-0x0000000001B82000-memory.dmp

memory/3036-59-0x0000000000A00000-0x0000000001B82000-memory.dmp

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

MD5 7309f7465a5fa7b1d493e9d953eb0e01
SHA1 3f8b1d211ea4c67df3a40c58ecfa7595aa934683
SHA256 d6c80aa345adbc77a8300ae9a0a00593ca3e5cf737bafe5689732e55f9032b87
SHA512 93ef0cf7a01cf45c3de6dd660817381a2149358c13457cab82dd363583b0137e59453c6386cf147bab1b33a43541168d52c3e8bd5006037de123a84d19f12cd6

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

MD5 51138beea3e2c21ec44d0932c71762a8
SHA1 8939cf35447b22dd2c6e6f443446acc1bf986d58
SHA256 5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124
SHA512 794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

memory/1988-111-0x00000000040B0000-0x0000000005232000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-25 18:37

Reported

2024-06-25 18:40

Platform

win10v2004-20240508-en

Max time kernel

150s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\cd2fd2638217e5b4002c25d69bf2ab79313789836473f66b5a7220d908295737.exe"

Signatures

Detect PurpleFox Rootkit

rootkit
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Gh0st RAT payload

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Gh0strat

rat gh0strat

PurpleFox

rootkit trojan purplefox

Identifies VirtualBox via ACPI registry values (likely anti-VM)

evasion
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ C:\Users\Admin\AppData\Local\Temp\HD_cd2fd2638217e5b4002c25d69bf2ab79313789836473f66b5a7220d908295737.exe N/A

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\\240602546.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

Checks BIOS information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\HD_cd2fd2638217e5b4002c25d69bf2ab79313789836473f66b5a7220d908295737.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate C:\Users\Admin\AppData\Local\Temp\HD_cd2fd2638217e5b4002c25d69bf2ab79313789836473f66b5a7220d908295737.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Users\Admin\AppData\Local\Temp\HD_cd2fd2638217e5b4002c25d69bf2ab79313789836473f66b5a7220d908295737.exe N/A

UPX packed file

upx
Description Indicator Process Target
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Checks whether UAC is enabled

evasion trojan
Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA C:\Users\Admin\AppData\Local\Temp\HD_cd2fd2638217e5b4002c25d69bf2ab79313789836473f66b5a7220d908295737.exe N/A

Writes to the Master Boot Record (MBR)

bootkit persistence
Description Indicator Process Target
File opened for modification \??\PhysicalDrive0 C:\Users\Admin\AppData\Local\Temp\HD_cd2fd2638217e5b4002c25d69bf2ab79313789836473f66b5a7220d908295737.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe C:\Windows\SysWOW64\svchost.exe N/A
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\240602546.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

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\HD_cd2fd2638217e5b4002c25d69bf2ab79313789836473f66b5a7220d908295737.exe N/A

Drops file in Program Files directory

Description Indicator Process Target
File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe C:\Users\Admin\AppData\Local\Temp\cd2fd2638217e5b4002c25d69bf2ab79313789836473f66b5a7220d908295737.exe N/A
File opened for modification C:\Program Files\Mozilla Firefox\firefox.exe C:\Users\Admin\AppData\Local\Temp\cd2fd2638217e5b4002c25d69bf2ab79313789836473f66b5a7220d908295737.exe N/A
File created C:\Program Files (x86)\Google\Chrome\Application\chrome.exe C:\Users\Admin\AppData\Local\Temp\cd2fd2638217e5b4002c25d69bf2ab79313789836473f66b5a7220d908295737.exe N/A
File opened for modification C:\Program Files\VideoLAN\VLC\vlc.exe C:\Users\Admin\AppData\Local\Temp\cd2fd2638217e5b4002c25d69bf2ab79313789836473f66b5a7220d908295737.exe N/A
File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe C:\Users\Admin\AppData\Local\Temp\cd2fd2638217e5b4002c25d69bf2ab79313789836473f66b5a7220d908295737.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 5060 wrote to memory of 2000 N/A C:\Users\Admin\AppData\Local\Temp\cd2fd2638217e5b4002c25d69bf2ab79313789836473f66b5a7220d908295737.exe C:\Users\Admin\AppData\Local\Temp\svchost.exe
PID 5060 wrote to memory of 2000 N/A C:\Users\Admin\AppData\Local\Temp\cd2fd2638217e5b4002c25d69bf2ab79313789836473f66b5a7220d908295737.exe C:\Users\Admin\AppData\Local\Temp\svchost.exe
PID 5060 wrote to memory of 2000 N/A C:\Users\Admin\AppData\Local\Temp\cd2fd2638217e5b4002c25d69bf2ab79313789836473f66b5a7220d908295737.exe C:\Users\Admin\AppData\Local\Temp\svchost.exe
PID 2000 wrote to memory of 1316 N/A C:\Users\Admin\AppData\Local\Temp\svchost.exe C:\Windows\SysWOW64\cmd.exe
PID 2000 wrote to memory of 1316 N/A C:\Users\Admin\AppData\Local\Temp\svchost.exe C:\Windows\SysWOW64\cmd.exe
PID 2000 wrote to memory of 1316 N/A C:\Users\Admin\AppData\Local\Temp\svchost.exe C:\Windows\SysWOW64\cmd.exe
PID 724 wrote to memory of 1976 N/A C:\Windows\SysWOW64\TXPlatforn.exe C:\Windows\SysWOW64\TXPlatforn.exe
PID 724 wrote to memory of 1976 N/A C:\Windows\SysWOW64\TXPlatforn.exe C:\Windows\SysWOW64\TXPlatforn.exe
PID 724 wrote to memory of 1976 N/A C:\Windows\SysWOW64\TXPlatforn.exe C:\Windows\SysWOW64\TXPlatforn.exe
PID 5060 wrote to memory of 4772 N/A C:\Users\Admin\AppData\Local\Temp\cd2fd2638217e5b4002c25d69bf2ab79313789836473f66b5a7220d908295737.exe C:\Users\Admin\AppData\Local\Temp\svchos.exe
PID 5060 wrote to memory of 4772 N/A C:\Users\Admin\AppData\Local\Temp\cd2fd2638217e5b4002c25d69bf2ab79313789836473f66b5a7220d908295737.exe C:\Users\Admin\AppData\Local\Temp\svchos.exe
PID 5060 wrote to memory of 4772 N/A C:\Users\Admin\AppData\Local\Temp\cd2fd2638217e5b4002c25d69bf2ab79313789836473f66b5a7220d908295737.exe C:\Users\Admin\AppData\Local\Temp\svchos.exe
PID 1316 wrote to memory of 2088 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 1316 wrote to memory of 2088 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 1316 wrote to memory of 2088 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 5060 wrote to memory of 4600 N/A C:\Users\Admin\AppData\Local\Temp\cd2fd2638217e5b4002c25d69bf2ab79313789836473f66b5a7220d908295737.exe C:\Users\Admin\AppData\Local\Temp\HD_cd2fd2638217e5b4002c25d69bf2ab79313789836473f66b5a7220d908295737.exe
PID 5060 wrote to memory of 4600 N/A C:\Users\Admin\AppData\Local\Temp\cd2fd2638217e5b4002c25d69bf2ab79313789836473f66b5a7220d908295737.exe C:\Users\Admin\AppData\Local\Temp\HD_cd2fd2638217e5b4002c25d69bf2ab79313789836473f66b5a7220d908295737.exe
PID 5060 wrote to memory of 4600 N/A C:\Users\Admin\AppData\Local\Temp\cd2fd2638217e5b4002c25d69bf2ab79313789836473f66b5a7220d908295737.exe C:\Users\Admin\AppData\Local\Temp\HD_cd2fd2638217e5b4002c25d69bf2ab79313789836473f66b5a7220d908295737.exe
PID 836 wrote to memory of 2320 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
PID 836 wrote to memory of 2320 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
PID 836 wrote to memory of 2320 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

Processes

C:\Users\Admin\AppData\Local\Temp\cd2fd2638217e5b4002c25d69bf2ab79313789836473f66b5a7220d908295737.exe

"C:\Users\Admin\AppData\Local\Temp\cd2fd2638217e5b4002c25d69bf2ab79313789836473f66b5a7220d908295737.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:\Windows\SysWOW64\TXPlatforn.exe

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

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_cd2fd2638217e5b4002c25d69bf2ab79313789836473f66b5a7220d908295737.exe

C:\Users\Admin\AppData\Local\Temp\HD_cd2fd2638217e5b4002c25d69bf2ab79313789836473f66b5a7220d908295737.exe

C:\Windows\SysWOW64\PING.EXE

ping -n 2 127.0.0.1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 4600 -ip 4600

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4600 -s 1148

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

C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\240602546.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
US 8.8.8.8:53 udp

Files

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

MD5 a4329177954d4104005bce3020e5ef59
SHA1 23c29e295e2dbb8454012d619ca3f81e4c16e85a
SHA256 6156d003d54dcf2ee92f21bd6e7a6a7f91730bd2804381260bcabe465abe6ddd
SHA512 81e9d456a4abfc7cd9e0943d4a0ce15523362c3179f3368381d1d7974f80a9f9113b5404b96e67e91684e0ea1895b7d0073e4c48d0bfc4fd0244b1af6acf0208

memory/2000-6-0x0000000010000000-0x00000000101B6000-memory.dmp

memory/2000-10-0x0000000010000000-0x00000000101B6000-memory.dmp

memory/2000-4-0x0000000010000000-0x00000000101B6000-memory.dmp

memory/2000-7-0x0000000010000000-0x00000000101B6000-memory.dmp

memory/724-16-0x0000000010000000-0x00000000101B6000-memory.dmp

memory/724-15-0x0000000010000000-0x00000000101B6000-memory.dmp

memory/724-13-0x0000000010000000-0x00000000101B6000-memory.dmp

memory/724-17-0x0000000010000000-0x00000000101B6000-memory.dmp

C:\Windows\SysWOW64\240602546.txt

MD5 f42dad9791f2877f286e830bfae050fa
SHA1 9c8cb960d4bb9e26e650644cae0c660447e59af8
SHA256 5da7dac78e9fa2f6a0d0264280632c6eafa73e5b903102bdeeb48d49b781da1a
SHA512 5467b6b969e70c45dff97437ac0f1b6bc648023812e9e488f6aa6a3da238949d4b764d9fe0d73e848c90a9904771769b9ec8ceba6644f4ef0cc046f1a47d7bce

memory/1976-38-0x0000000010000000-0x00000000101B6000-memory.dmp

memory/1976-42-0x0000000010000000-0x00000000101B6000-memory.dmp

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

MD5 3b377ad877a942ec9f60ea285f7119a2
SHA1 60b23987b20d913982f723ab375eef50fafa6c70
SHA256 62954fdf65e629b39a29f539619d20691332184c6b6be5a826128a8e759bfa84
SHA512 af3a71f867ad9d28772c48b521097f9bf8931eb89fd2974e8de10990241419a39ddc3c0b36dd38aac4fdf14e1f0c5e228692618e93adce958d5b5dab8940e46f

memory/724-26-0x0000000010000000-0x00000000101B6000-memory.dmp

memory/1976-25-0x0000000010000000-0x00000000101B6000-memory.dmp

memory/1976-43-0x0000000010000000-0x00000000101B6000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\HD_cd2fd2638217e5b4002c25d69bf2ab79313789836473f66b5a7220d908295737.exe

MD5 7d65651595a7892e740949ac6ead4d7a
SHA1 6273a92085f0ce795a9cec0a6b29e7248f5700ff
SHA256 201238949a27d5c2bc087cc7c2413c4b7f225a58bde58c04b6e567814dd9c363
SHA512 cf9265b0948ad601760a6daeacd1b5b046cb4e60212bd6d851d5cda4b29bb41e3b16e8a9069787d63dff8cb6c1f0c404b43dc57676c4dff32f487e8e02ce93c2

memory/4600-49-0x0000000000980000-0x0000000001B02000-memory.dmp

memory/4600-54-0x0000000000980000-0x0000000001B02000-memory.dmp

memory/4600-55-0x0000000000980000-0x0000000001B02000-memory.dmp

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

MD5 7309f7465a5fa7b1d493e9d953eb0e01
SHA1 3f8b1d211ea4c67df3a40c58ecfa7595aa934683
SHA256 d6c80aa345adbc77a8300ae9a0a00593ca3e5cf737bafe5689732e55f9032b87
SHA512 93ef0cf7a01cf45c3de6dd660817381a2149358c13457cab82dd363583b0137e59453c6386cf147bab1b33a43541168d52c3e8bd5006037de123a84d19f12cd6

memory/4600-100-0x0000000000980000-0x0000000001B02000-memory.dmp

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

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