gh0strat | c43c39b56b4ef44c8ceddb6200cee14cfe52bfa147a63f65a9c0455c66f97ff7

Analysis

max time kernel
150s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
01-07-2024 04:29

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General

Target

c43c39b56b4ef44c8ceddb6200cee14cfe52bfa147a63f65a9c0455c66f97ff7.exe
Size

1.3MB
MD5

dca2a981a0faba1846d9ec8b7b9d61b7
SHA1

2103e99cad9ba7068a4b0fc4d1eac040c95dc6db
SHA256

c43c39b56b4ef44c8ceddb6200cee14cfe52bfa147a63f65a9c0455c66f97ff7
SHA512

dec3002ee62ba1e28c947db5a46c5334689668f527c3238e7e17a6f8c70237884bb5cf5e183d543dd8decf7c3423eef81a77f500a628156c0800cd9c69ed6a50
SSDEEP

24576:EQZoidOTdVZinacCET9Ecl1erdg0MCiVWhFU7cVXwpeuh:EQZAdVyVT9n/Gg0P+WhoRpeuh

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 11 IoCs

Detect PurpleFox Rootkit.

rootkit

Processes:

resource	yara_rule
behavioral2/memory/2248-6-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2248-10-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2248-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3404-15-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3404-17-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3404-16-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2628-39-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2628-55-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2628-54-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2628-26-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3404-25-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 12 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2248-6-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2248-10-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2248-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3404-15-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3404-17-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3404-16-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
C:\Windows\SysWOW64\240600593.txt	family_gh0strat
behavioral2/memory/2628-39-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2628-55-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2628-54-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2628-26-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3404-25-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat

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
PurpleFox
PurpleFox is an exploit kit used to distribute other malware families and first seen in 2018.
rootkit trojan purplefox
Drops file in Drivers directory 1 IoCs

Processes:

TXPlatforn.exe

description ioc process

File created C:\Windows\system32\drivers\QAssist.sys TXPlatforn.exe
Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs
persistence

Terminal Services DLL
T1505.005

Processes:

svchos.exe

description ioc process

Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Ö÷¶¯·ÀÓù·þÎñÄ£¿é\Parameters\ServiceDll = "C:\\Windows\\system32\\240600593.txt" svchos.exe
Sets service image path in registry 2 TTPs 1 IoCs
persistence

Registry Run Keys / Startup Folder
T1547.001

Modify Registry
T1112

Processes:

TXPlatforn.exe

description ioc process

Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\QAssist\ImagePath = "system32\\DRIVERS\\QAssist.sys" TXPlatforn.exe
Executes dropped EXE 5 IoCs

Processes:

svchost.exeTXPlatforn.exeTXPlatforn.exesvchos.exeÖ÷¶¯·ÀÓù·þÎñÄ£¿é.exe

pid process

2248 svchost.exe
3404 TXPlatforn.exe
2628 TXPlatforn.exe
4248 svchos.exe
2860 Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
Loads dropped DLL 3 IoCs

Processes:

svchos.exesvchost.exeÖ÷¶¯·ÀÓù·þÎñÄ£¿é.exe

pid process

4248 svchos.exe
3116 svchost.exe
2860 Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

description	ioc	process
File created	C:\Windows\system32\drivers\QAssist.sys	TXPlatforn.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Ö÷¶¯·ÀÓù·þÎñÄ£¿é\Parameters\ServiceDll = "C:\\Windows\\system32\\240600593.txt"	svchos.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\QAssist\ImagePath = "system32\\DRIVERS\\QAssist.sys"	TXPlatforn.exe

pid	process
2248	svchost.exe
3404	TXPlatforn.exe
2628	TXPlatforn.exe
4248	svchos.exe
2860	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

pid	process
4248	svchos.exe
3116	svchost.exe
2860	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

UPX packed file 13 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral2/memory/2248-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2248-6-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2248-10-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2248-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3404-15-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3404-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3404-16-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3404-13-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2628-39-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2628-55-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2628-54-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2628-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3404-25-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

Processes:

svchost.exesvchos.exesvchost.exe

description	ioc	process
File created	C:\Windows\SysWOW64\TXPlatforn.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\TXPlatforn.exe	svchost.exe
File created	C:\Windows\SysWOW64\240600593.txt	svchos.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	svchos.exe
File created	C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe	svchost.exe

Drops file in Program Files directory 5 IoCs

Processes:

c43c39b56b4ef44c8ceddb6200cee14cfe52bfa147a63f65a9c0455c66f97ff7.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	c43c39b56b4ef44c8ceddb6200cee14cfe52bfa147a63f65a9c0455c66f97ff7.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe	c43c39b56b4ef44c8ceddb6200cee14cfe52bfa147a63f65a9c0455c66f97ff7.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	c43c39b56b4ef44c8ceddb6200cee14cfe52bfa147a63f65a9c0455c66f97ff7.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	c43c39b56b4ef44c8ceddb6200cee14cfe52bfa147a63f65a9c0455c66f97ff7.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	c43c39b56b4ef44c8ceddb6200cee14cfe52bfa147a63f65a9c0455c66f97ff7.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1376 PING.EXE
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatforn.exe

pid process

2628 TXPlatforn.exe

pid	process
1376	PING.EXE

pid	process
2628	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

svchost.exeTXPlatforn.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2248	svchost.exe
Token: SeLoadDriverPrivilege	2628	TXPlatforn.exe
Token: 33	2628	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2628	TXPlatforn.exe
Token: 33	2628	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2628	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

c43c39b56b4ef44c8ceddb6200cee14cfe52bfa147a63f65a9c0455c66f97ff7.exe

pid process

2920 c43c39b56b4ef44c8ceddb6200cee14cfe52bfa147a63f65a9c0455c66f97ff7.exe
2920 c43c39b56b4ef44c8ceddb6200cee14cfe52bfa147a63f65a9c0455c66f97ff7.exe

pid	process
2920	c43c39b56b4ef44c8ceddb6200cee14cfe52bfa147a63f65a9c0455c66f97ff7.exe
2920	c43c39b56b4ef44c8ceddb6200cee14cfe52bfa147a63f65a9c0455c66f97ff7.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

c43c39b56b4ef44c8ceddb6200cee14cfe52bfa147a63f65a9c0455c66f97ff7.exeTXPlatforn.exesvchost.execmd.exesvchost.exe

description	pid	process	target process
PID 2920 wrote to memory of 2248	2920	c43c39b56b4ef44c8ceddb6200cee14cfe52bfa147a63f65a9c0455c66f97ff7.exe	svchost.exe
PID 2920 wrote to memory of 2248	2920	c43c39b56b4ef44c8ceddb6200cee14cfe52bfa147a63f65a9c0455c66f97ff7.exe	svchost.exe
PID 2920 wrote to memory of 2248	2920	c43c39b56b4ef44c8ceddb6200cee14cfe52bfa147a63f65a9c0455c66f97ff7.exe	svchost.exe
PID 3404 wrote to memory of 2628	3404	TXPlatforn.exe	TXPlatforn.exe
PID 3404 wrote to memory of 2628	3404	TXPlatforn.exe	TXPlatforn.exe
PID 3404 wrote to memory of 2628	3404	TXPlatforn.exe	TXPlatforn.exe
PID 2248 wrote to memory of 4036	2248	svchost.exe	cmd.exe
PID 2248 wrote to memory of 4036	2248	svchost.exe	cmd.exe
PID 2248 wrote to memory of 4036	2248	svchost.exe	cmd.exe
PID 2920 wrote to memory of 4248	2920	c43c39b56b4ef44c8ceddb6200cee14cfe52bfa147a63f65a9c0455c66f97ff7.exe	svchos.exe
PID 2920 wrote to memory of 4248	2920	c43c39b56b4ef44c8ceddb6200cee14cfe52bfa147a63f65a9c0455c66f97ff7.exe	svchos.exe
PID 2920 wrote to memory of 4248	2920	c43c39b56b4ef44c8ceddb6200cee14cfe52bfa147a63f65a9c0455c66f97ff7.exe	svchos.exe
PID 4036 wrote to memory of 1376	4036	cmd.exe	PING.EXE
PID 4036 wrote to memory of 1376	4036	cmd.exe	PING.EXE
PID 4036 wrote to memory of 1376	4036	cmd.exe	PING.EXE
PID 3116 wrote to memory of 2860	3116	svchost.exe	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
PID 3116 wrote to memory of 2860	3116	svchost.exe	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
PID 3116 wrote to memory of 2860	3116	svchost.exe	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

C:\Users\Admin\AppData\Local\Temp\c43c39b56b4ef44c8ceddb6200cee14cfe52bfa147a63f65a9c0455c66f97ff7.exe
"C:\Users\Admin\AppData\Local\Temp\c43c39b56b4ef44c8ceddb6200cee14cfe52bfa147a63f65a9c0455c66f97ff7.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2920

C:\Users\Admin\AppData\Local\Temp\svchost.exe
C:\Users\Admin\AppData\Local\Temp\\svchost.exe
2⤵
- Executes dropped EXE
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2248

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
3⤵
- Suspicious use of WriteProcessMemory
PID:4036

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:1376

C:\Users\Admin\AppData\Local\Temp\svchos.exe
C:\Users\Admin\AppData\Local\Temp\\svchos.exe
2⤵
- Server Software Component: Terminal Services DLL
- Executes dropped EXE
- Loads dropped DLL
- Drops file in System32 directory
PID:4248

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3404

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -acsi
2⤵
- Drops file in Drivers directory
- Sets service image path in registry
- Executes dropped EXE
- Suspicious behavior: LoadsDriver
- Suspicious use of AdjustPrivilegeToken
PID:2628

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
PID:1436

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:3116

C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\240600593.txt",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:2860

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\HD_X.dat
Filesize
1.3MB

MD5
dca2a981a0faba1846d9ec8b7b9d61b7

SHA1
2103e99cad9ba7068a4b0fc4d1eac040c95dc6db

SHA256
c43c39b56b4ef44c8ceddb6200cee14cfe52bfa147a63f65a9c0455c66f97ff7

SHA512
dec3002ee62ba1e28c947db5a46c5334689668f527c3238e7e17a6f8c70237884bb5cf5e183d543dd8decf7c3423eef81a77f500a628156c0800cd9c69ed6a50

Download Submit
C:\Users\Admin\AppData\Local\Temp\svchos.exe
Filesize
93KB

MD5
3b377ad877a942ec9f60ea285f7119a2

SHA1
60b23987b20d913982f723ab375eef50fafa6c70

SHA256
62954fdf65e629b39a29f539619d20691332184c6b6be5a826128a8e759bfa84

SHA512
af3a71f867ad9d28772c48b521097f9bf8931eb89fd2974e8de10990241419a39ddc3c0b36dd38aac4fdf14e1f0c5e228692618e93adce958d5b5dab8940e46f

Download Submit
C:\Users\Admin\AppData\Local\Temp\svchost.exe
Filesize
377KB

MD5
a4329177954d4104005bce3020e5ef59

SHA1
23c29e295e2dbb8454012d619ca3f81e4c16e85a

SHA256
6156d003d54dcf2ee92f21bd6e7a6a7f91730bd2804381260bcabe465abe6ddd

SHA512
81e9d456a4abfc7cd9e0943d4a0ce15523362c3179f3368381d1d7974f80a9f9113b5404b96e67e91684e0ea1895b7d0073e4c48d0bfc4fd0244b1af6acf0208

Download Submit
C:\Windows\SysWOW64\240600593.txt
Filesize
50KB

MD5
9890f6b6420afe534348a7869b7903ee

SHA1
801ce7f520da711ce5e068726b4a441f5d912c74

SHA256
402d250f64dbfe375cb135ae23778ee149df22ac6c241444cdf21d8861ad243e

SHA512
0d92cae10be8db08be1350f416006b38e13bcb4d9e184fa999025e5a5f474e39d70d85a3d19fa30ec2d25c3465c5259fe440ed976799bc6b57501d5d4eae850f

Download Submit
C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/2248-5-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2248-6-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2248-10-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2248-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2628-55-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2628-39-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2628-54-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2628-26-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3404-13-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3404-16-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3404-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3404-25-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3404-15-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download