gh0strat | 847a758a3e104aaf03b0e58d0bac47dba37d70ab9693de2562f9806f6382d7b1

Analysis

max time kernel
150s
max time network
131s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
04-07-2024 04:14

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General

Target

847a758a3e104aaf03b0e58d0bac47dba37d70ab9693de2562f9806f6382d7b1.exe
Size

1.5MB
MD5

3945c6da50c19c4bb8e7221f167c0b67
SHA1

5556c0bdbb7ade9d3a919f4e70bbec23cf67b1bb
SHA256

847a758a3e104aaf03b0e58d0bac47dba37d70ab9693de2562f9806f6382d7b1
SHA512

21df65470adceff3bc9a7be8f9b75751b6667f637fd8bc20d1d9e7facf8af2f2c98a599ed3e5514aea52de2ba36511f39c37046ed5bf1ddc1ab64341301bcc62
SSDEEP

24576:V09tv9/7JtDElDEExIko2H2HESq2eWJ6MQjySjy+jyzdCw2lHzgV:V09XJt4HIN2H2tFvduySyeRzgV

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/316-6-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/316-10-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/316-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3132-15-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3132-16-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3132-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2308-24-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2308-30-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3132-36-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2308-40-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2308-73-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 11 IoCs

Processes:

resource	yara_rule
behavioral2/memory/316-6-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/316-10-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/316-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3132-15-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3132-16-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3132-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2308-24-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2308-30-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3132-36-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2308-40-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2308-73-0x0000000010000000-0x00000000101B6000-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

316 RVN.exe
3132 TXPlatforn.exe
2308 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
316	RVN.exe
3132	TXPlatforn.exe
2308	TXPlatforn.exe

UPX packed file 13 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/316-6-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/316-4-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/316-10-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/316-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3132-15-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3132-13-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3132-16-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3132-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2308-24-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2308-30-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3132-36-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2308-40-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2308-73-0x0000000010000000-0x00000000101B6000-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 5 IoCs

Processes:

847a758a3e104aaf03b0e58d0bac47dba37d70ab9693de2562f9806f6382d7b1.exe

description	ioc	process
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	847a758a3e104aaf03b0e58d0bac47dba37d70ab9693de2562f9806f6382d7b1.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	847a758a3e104aaf03b0e58d0bac47dba37d70ab9693de2562f9806f6382d7b1.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	847a758a3e104aaf03b0e58d0bac47dba37d70ab9693de2562f9806f6382d7b1.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	847a758a3e104aaf03b0e58d0bac47dba37d70ab9693de2562f9806f6382d7b1.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe	847a758a3e104aaf03b0e58d0bac47dba37d70ab9693de2562f9806f6382d7b1.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

5040 PING.EXE
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatforn.exe

pid process

2308 TXPlatforn.exe

pid	process
5040	PING.EXE

pid	process
2308	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

RVN.exeTXPlatforn.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	316	RVN.exe
Token: SeLoadDriverPrivilege	2308	TXPlatforn.exe
Token: 33	2308	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2308	TXPlatforn.exe
Token: 33	2308	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2308	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

847a758a3e104aaf03b0e58d0bac47dba37d70ab9693de2562f9806f6382d7b1.exe

pid process

2164 847a758a3e104aaf03b0e58d0bac47dba37d70ab9693de2562f9806f6382d7b1.exe
2164 847a758a3e104aaf03b0e58d0bac47dba37d70ab9693de2562f9806f6382d7b1.exe

pid	process
2164	847a758a3e104aaf03b0e58d0bac47dba37d70ab9693de2562f9806f6382d7b1.exe
2164	847a758a3e104aaf03b0e58d0bac47dba37d70ab9693de2562f9806f6382d7b1.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

847a758a3e104aaf03b0e58d0bac47dba37d70ab9693de2562f9806f6382d7b1.exeRVN.exeTXPlatforn.execmd.exe

description	pid	process	target process
PID 2164 wrote to memory of 316	2164	847a758a3e104aaf03b0e58d0bac47dba37d70ab9693de2562f9806f6382d7b1.exe	RVN.exe
PID 2164 wrote to memory of 316	2164	847a758a3e104aaf03b0e58d0bac47dba37d70ab9693de2562f9806f6382d7b1.exe	RVN.exe
PID 2164 wrote to memory of 316	2164	847a758a3e104aaf03b0e58d0bac47dba37d70ab9693de2562f9806f6382d7b1.exe	RVN.exe
PID 316 wrote to memory of 620	316	RVN.exe	cmd.exe
PID 316 wrote to memory of 620	316	RVN.exe	cmd.exe
PID 316 wrote to memory of 620	316	RVN.exe	cmd.exe
PID 3132 wrote to memory of 2308	3132	TXPlatforn.exe	TXPlatforn.exe
PID 3132 wrote to memory of 2308	3132	TXPlatforn.exe	TXPlatforn.exe
PID 3132 wrote to memory of 2308	3132	TXPlatforn.exe	TXPlatforn.exe
PID 620 wrote to memory of 5040	620	cmd.exe	PING.EXE
PID 620 wrote to memory of 5040	620	cmd.exe	PING.EXE
PID 620 wrote to memory of 5040	620	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\847a758a3e104aaf03b0e58d0bac47dba37d70ab9693de2562f9806f6382d7b1.exe
"C:\Users\Admin\AppData\Local\Temp\847a758a3e104aaf03b0e58d0bac47dba37d70ab9693de2562f9806f6382d7b1.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2164

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:316

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:620

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:5040

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3132

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:2308

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads

C:\Users\Admin\AppData\Local\Temp\HD_X.dat
Filesize
1.5MB

MD5
3945c6da50c19c4bb8e7221f167c0b67

SHA1
5556c0bdbb7ade9d3a919f4e70bbec23cf67b1bb

SHA256
847a758a3e104aaf03b0e58d0bac47dba37d70ab9693de2562f9806f6382d7b1

SHA512
21df65470adceff3bc9a7be8f9b75751b6667f637fd8bc20d1d9e7facf8af2f2c98a599ed3e5514aea52de2ba36511f39c37046ed5bf1ddc1ab64341301bcc62

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

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

Download Submit
memory/316-6-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/316-4-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/316-10-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/316-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2308-24-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2308-30-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2308-40-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2308-73-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3132-16-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3132-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3132-13-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3132-15-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3132-36-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download