gh0strat | 019608b79fae2894575c34bfeab3cbc72f6f2d5b6c7ddb6e509003062b829b8a

Analysis

max time kernel
150s
max time network
141s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
01-07-2024 04:22

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General

Target

019608b79fae2894575c34bfeab3cbc72f6f2d5b6c7ddb6e509003062b829b8a.exe
Size

1.5MB
MD5

4a2aecb824ab51d6ce24f25babe7c0a1
SHA1

9bc679a003d220d86975dbc23a5ce997ac224855
SHA256

019608b79fae2894575c34bfeab3cbc72f6f2d5b6c7ddb6e509003062b829b8a
SHA512

616612df3dbea44c4e2652c5598346dc2c06eef7ace65a6f46eee7cad8aa4fa5c9725ce96ac345ab3efd3120d7864d93a3d06ad3cf2819b8ebfac65bd3ed6dbb
SSDEEP

24576:k09tv9/7JtDElDEExIko2H2HESq2eWJ6MQjySjy+7:k09XJt4HIN2H2tFvduySt

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 8 IoCs

Detect PurpleFox Rootkit.

rootkit

Processes:

resource	yara_rule
behavioral1/memory/2132-9-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2132-8-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2764-55-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2764-66-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2764-64-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2704-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2132-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2704-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 8 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2132-9-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2132-8-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2764-55-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2764-66-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2764-64-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2704-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2132-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2704-18-0x0000000010000000-0x00000000101B6000-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
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 3 IoCs

Processes:

RVN.exeTXPlatforn.exeTXPlatforn.exe

pid process

2132 RVN.exe
2704 TXPlatforn.exe
2764 TXPlatforn.exe
Loads dropped DLL 2 IoCs

Processes:

019608b79fae2894575c34bfeab3cbc72f6f2d5b6c7ddb6e509003062b829b8a.exeTXPlatforn.exe

pid process

2820 019608b79fae2894575c34bfeab3cbc72f6f2d5b6c7ddb6e509003062b829b8a.exe
2704 TXPlatforn.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\QAssist\ImagePath = "system32\\DRIVERS\\QAssist.sys"	TXPlatforn.exe

pid	process
2132	RVN.exe
2704	TXPlatforn.exe
2764	TXPlatforn.exe

pid	process
2820	019608b79fae2894575c34bfeab3cbc72f6f2d5b6c7ddb6e509003062b829b8a.exe
2704	TXPlatforn.exe

UPX packed file 9 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/2132-9-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2132-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2132-8-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2764-55-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2764-66-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2764-64-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2704-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2132-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2704-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 2 IoCs

Processes:

RVN.exe

description ioc process

File created C:\Windows\SysWOW64\TXPlatforn.exe RVN.exe
File opened for modification C:\Windows\SysWOW64\TXPlatforn.exe RVN.exe

description	ioc	process
File created	C:\Windows\SysWOW64\TXPlatforn.exe	RVN.exe
File opened for modification	C:\Windows\SysWOW64\TXPlatforn.exe	RVN.exe

Drops file in Program Files directory 4 IoCs

Processes:

019608b79fae2894575c34bfeab3cbc72f6f2d5b6c7ddb6e509003062b829b8a.exe

description	ioc	process
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	019608b79fae2894575c34bfeab3cbc72f6f2d5b6c7ddb6e509003062b829b8a.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	019608b79fae2894575c34bfeab3cbc72f6f2d5b6c7ddb6e509003062b829b8a.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	019608b79fae2894575c34bfeab3cbc72f6f2d5b6c7ddb6e509003062b829b8a.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	019608b79fae2894575c34bfeab3cbc72f6f2d5b6c7ddb6e509003062b829b8a.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

2592 PING.EXE
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatforn.exe

pid process

2764 TXPlatforn.exe

pid	process
2592	PING.EXE

pid	process
2764	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

RVN.exeTXPlatforn.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2132	RVN.exe
Token: SeLoadDriverPrivilege	2764	TXPlatforn.exe
Token: 33	2764	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2764	TXPlatforn.exe
Token: 33	2764	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2764	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

019608b79fae2894575c34bfeab3cbc72f6f2d5b6c7ddb6e509003062b829b8a.exe

pid process

2820 019608b79fae2894575c34bfeab3cbc72f6f2d5b6c7ddb6e509003062b829b8a.exe
2820 019608b79fae2894575c34bfeab3cbc72f6f2d5b6c7ddb6e509003062b829b8a.exe

pid	process
2820	019608b79fae2894575c34bfeab3cbc72f6f2d5b6c7ddb6e509003062b829b8a.exe
2820	019608b79fae2894575c34bfeab3cbc72f6f2d5b6c7ddb6e509003062b829b8a.exe

Suspicious use of WriteProcessMemory 22 IoCs

Processes:

019608b79fae2894575c34bfeab3cbc72f6f2d5b6c7ddb6e509003062b829b8a.exeRVN.exeTXPlatforn.execmd.exe

description	pid	process	target process
PID 2820 wrote to memory of 2132	2820	019608b79fae2894575c34bfeab3cbc72f6f2d5b6c7ddb6e509003062b829b8a.exe	RVN.exe
PID 2820 wrote to memory of 2132	2820	019608b79fae2894575c34bfeab3cbc72f6f2d5b6c7ddb6e509003062b829b8a.exe	RVN.exe
PID 2820 wrote to memory of 2132	2820	019608b79fae2894575c34bfeab3cbc72f6f2d5b6c7ddb6e509003062b829b8a.exe	RVN.exe
PID 2820 wrote to memory of 2132	2820	019608b79fae2894575c34bfeab3cbc72f6f2d5b6c7ddb6e509003062b829b8a.exe	RVN.exe
PID 2820 wrote to memory of 2132	2820	019608b79fae2894575c34bfeab3cbc72f6f2d5b6c7ddb6e509003062b829b8a.exe	RVN.exe
PID 2820 wrote to memory of 2132	2820	019608b79fae2894575c34bfeab3cbc72f6f2d5b6c7ddb6e509003062b829b8a.exe	RVN.exe
PID 2820 wrote to memory of 2132	2820	019608b79fae2894575c34bfeab3cbc72f6f2d5b6c7ddb6e509003062b829b8a.exe	RVN.exe
PID 2132 wrote to memory of 2660	2132	RVN.exe	cmd.exe
PID 2132 wrote to memory of 2660	2132	RVN.exe	cmd.exe
PID 2132 wrote to memory of 2660	2132	RVN.exe	cmd.exe
PID 2132 wrote to memory of 2660	2132	RVN.exe	cmd.exe
PID 2704 wrote to memory of 2764	2704	TXPlatforn.exe	TXPlatforn.exe
PID 2704 wrote to memory of 2764	2704	TXPlatforn.exe	TXPlatforn.exe
PID 2704 wrote to memory of 2764	2704	TXPlatforn.exe	TXPlatforn.exe
PID 2704 wrote to memory of 2764	2704	TXPlatforn.exe	TXPlatforn.exe
PID 2704 wrote to memory of 2764	2704	TXPlatforn.exe	TXPlatforn.exe
PID 2704 wrote to memory of 2764	2704	TXPlatforn.exe	TXPlatforn.exe
PID 2704 wrote to memory of 2764	2704	TXPlatforn.exe	TXPlatforn.exe
PID 2660 wrote to memory of 2592	2660	cmd.exe	PING.EXE
PID 2660 wrote to memory of 2592	2660	cmd.exe	PING.EXE
PID 2660 wrote to memory of 2592	2660	cmd.exe	PING.EXE
PID 2660 wrote to memory of 2592	2660	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\019608b79fae2894575c34bfeab3cbc72f6f2d5b6c7ddb6e509003062b829b8a.exe
"C:\Users\Admin\AppData\Local\Temp\019608b79fae2894575c34bfeab3cbc72f6f2d5b6c7ddb6e509003062b829b8a.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2820

C:\Users\Admin\AppData\Local\Temp\RVN.exe
C:\Users\Admin\AppData\Local\Temp\\RVN.exe
2⤵
- Executes dropped EXE
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2132

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\RVN.exe > nul
3⤵
- Suspicious use of WriteProcessMemory
PID:2660

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:2592

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2704

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:2764

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
1.5MB

MD5
4a2aecb824ab51d6ce24f25babe7c0a1

SHA1
9bc679a003d220d86975dbc23a5ce997ac224855

SHA256
019608b79fae2894575c34bfeab3cbc72f6f2d5b6c7ddb6e509003062b829b8a

SHA512
616612df3dbea44c4e2652c5598346dc2c06eef7ace65a6f46eee7cad8aa4fa5c9725ce96ac345ab3efd3120d7864d93a3d06ad3cf2819b8ebfac65bd3ed6dbb

Download Submit
\Users\Admin\AppData\Local\Temp\RVN.exe
Filesize
377KB

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

Download Submit
memory/2132-9-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2132-5-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2132-8-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2132-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2704-28-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2704-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2764-55-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2764-66-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2764-64-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download