gh0strat | 8da0b4bfe23f16cd9d691ae5a8d4398683d43e0bd3963c6a9b797aea2b3d79a3

Analysis

max time kernel
150s
max time network
121s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
05-07-2024 05:12

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General

Target

8da0b4bfe23f16cd9d691ae5a8d4398683d43e0bd3963c6a9b797aea2b3d79a3.exe
Size

2.4MB
MD5

b68549a3a99b06fa3663c73edf44939a
SHA1

28eca522fbf9d28e107cd2314fbfb667caaf6465
SHA256

8da0b4bfe23f16cd9d691ae5a8d4398683d43e0bd3963c6a9b797aea2b3d79a3
SHA512

d6a22614541da397bafd48ae4a307b31290c846c2be0b81f32592457711b9f4eddaa9f98ff04a6432a61ffa392e65e3bbbd23fb18b2c7ab1b5e9e86e5294e18c
SSDEEP

49152:209XJt4HIN2H2tFvduyS4EZbUHpyfBFnxbzQz:nZJt4HINy2Lk4IAHpyf1XU

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 9 IoCs

Detect PurpleFox Rootkit.

rootkit

Processes:

resource	yara_rule
behavioral1/memory/3000-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3000-8-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3000-9-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2540-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2540-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2676-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2676-32-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2676-36-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2676-42-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

Processes:

resource	yara_rule
behavioral1/memory/3000-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3000-8-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3000-9-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2540-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2540-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2676-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2676-32-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2676-36-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2676-42-0x0000000010000000-0x00000000101B6000-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 4 IoCs

Processes:

RVN.exeTXPlatforn.exeTXPlatforn.exeHD_8da0b4bfe23f16cd9d691ae5a8d4398683d43e0bd3963c6a9b797aea2b3d79a3.exe

pid process

3000 RVN.exe
2540 TXPlatforn.exe
2676 TXPlatforn.exe
2840 HD_8da0b4bfe23f16cd9d691ae5a8d4398683d43e0bd3963c6a9b797aea2b3d79a3.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
3000	RVN.exe
2540	TXPlatforn.exe
2676	TXPlatforn.exe
2840	HD_8da0b4bfe23f16cd9d691ae5a8d4398683d43e0bd3963c6a9b797aea2b3d79a3.exe

Loads dropped DLL 4 IoCs

Processes:

8da0b4bfe23f16cd9d691ae5a8d4398683d43e0bd3963c6a9b797aea2b3d79a3.exeTXPlatforn.exe

pid	process
1732	8da0b4bfe23f16cd9d691ae5a8d4398683d43e0bd3963c6a9b797aea2b3d79a3.exe
2540	TXPlatforn.exe
1732	8da0b4bfe23f16cd9d691ae5a8d4398683d43e0bd3963c6a9b797aea2b3d79a3.exe
1732	8da0b4bfe23f16cd9d691ae5a8d4398683d43e0bd3963c6a9b797aea2b3d79a3.exe

UPX packed file 10 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/3000-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3000-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3000-8-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3000-9-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2540-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2540-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2676-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2676-32-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2676-36-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2676-42-0x0000000010000000-0x00000000101B6000-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:

8da0b4bfe23f16cd9d691ae5a8d4398683d43e0bd3963c6a9b797aea2b3d79a3.exe

description	ioc	process
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	8da0b4bfe23f16cd9d691ae5a8d4398683d43e0bd3963c6a9b797aea2b3d79a3.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	8da0b4bfe23f16cd9d691ae5a8d4398683d43e0bd3963c6a9b797aea2b3d79a3.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	8da0b4bfe23f16cd9d691ae5a8d4398683d43e0bd3963c6a9b797aea2b3d79a3.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	8da0b4bfe23f16cd9d691ae5a8d4398683d43e0bd3963c6a9b797aea2b3d79a3.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

2444 PING.EXE
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

8da0b4bfe23f16cd9d691ae5a8d4398683d43e0bd3963c6a9b797aea2b3d79a3.exe

pid process

1732 8da0b4bfe23f16cd9d691ae5a8d4398683d43e0bd3963c6a9b797aea2b3d79a3.exe
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatforn.exe

pid process

2676 TXPlatforn.exe

pid	process
2444	PING.EXE

pid	process
2676	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

RVN.exeTXPlatforn.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3000	RVN.exe
Token: SeLoadDriverPrivilege	2676	TXPlatforn.exe
Token: 33	2676	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2676	TXPlatforn.exe
Token: 33	2676	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2676	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

8da0b4bfe23f16cd9d691ae5a8d4398683d43e0bd3963c6a9b797aea2b3d79a3.exeHD_8da0b4bfe23f16cd9d691ae5a8d4398683d43e0bd3963c6a9b797aea2b3d79a3.exe

pid	process
1732	8da0b4bfe23f16cd9d691ae5a8d4398683d43e0bd3963c6a9b797aea2b3d79a3.exe
1732	8da0b4bfe23f16cd9d691ae5a8d4398683d43e0bd3963c6a9b797aea2b3d79a3.exe
2840	HD_8da0b4bfe23f16cd9d691ae5a8d4398683d43e0bd3963c6a9b797aea2b3d79a3.exe
2840	HD_8da0b4bfe23f16cd9d691ae5a8d4398683d43e0bd3963c6a9b797aea2b3d79a3.exe

Suspicious use of WriteProcessMemory 26 IoCs

Processes:

8da0b4bfe23f16cd9d691ae5a8d4398683d43e0bd3963c6a9b797aea2b3d79a3.exeRVN.exeTXPlatforn.execmd.exe

description	pid	process	target process
PID 1732 wrote to memory of 3000	1732	8da0b4bfe23f16cd9d691ae5a8d4398683d43e0bd3963c6a9b797aea2b3d79a3.exe	RVN.exe
PID 1732 wrote to memory of 3000	1732	8da0b4bfe23f16cd9d691ae5a8d4398683d43e0bd3963c6a9b797aea2b3d79a3.exe	RVN.exe
PID 1732 wrote to memory of 3000	1732	8da0b4bfe23f16cd9d691ae5a8d4398683d43e0bd3963c6a9b797aea2b3d79a3.exe	RVN.exe
PID 1732 wrote to memory of 3000	1732	8da0b4bfe23f16cd9d691ae5a8d4398683d43e0bd3963c6a9b797aea2b3d79a3.exe	RVN.exe
PID 1732 wrote to memory of 3000	1732	8da0b4bfe23f16cd9d691ae5a8d4398683d43e0bd3963c6a9b797aea2b3d79a3.exe	RVN.exe
PID 1732 wrote to memory of 3000	1732	8da0b4bfe23f16cd9d691ae5a8d4398683d43e0bd3963c6a9b797aea2b3d79a3.exe	RVN.exe
PID 1732 wrote to memory of 3000	1732	8da0b4bfe23f16cd9d691ae5a8d4398683d43e0bd3963c6a9b797aea2b3d79a3.exe	RVN.exe
PID 3000 wrote to memory of 2652	3000	RVN.exe	cmd.exe
PID 3000 wrote to memory of 2652	3000	RVN.exe	cmd.exe
PID 3000 wrote to memory of 2652	3000	RVN.exe	cmd.exe
PID 3000 wrote to memory of 2652	3000	RVN.exe	cmd.exe
PID 2540 wrote to memory of 2676	2540	TXPlatforn.exe	TXPlatforn.exe
PID 2540 wrote to memory of 2676	2540	TXPlatforn.exe	TXPlatforn.exe
PID 2540 wrote to memory of 2676	2540	TXPlatforn.exe	TXPlatforn.exe
PID 2540 wrote to memory of 2676	2540	TXPlatforn.exe	TXPlatforn.exe
PID 2540 wrote to memory of 2676	2540	TXPlatforn.exe	TXPlatforn.exe
PID 2540 wrote to memory of 2676	2540	TXPlatforn.exe	TXPlatforn.exe
PID 2540 wrote to memory of 2676	2540	TXPlatforn.exe	TXPlatforn.exe
PID 1732 wrote to memory of 2840	1732	8da0b4bfe23f16cd9d691ae5a8d4398683d43e0bd3963c6a9b797aea2b3d79a3.exe	HD_8da0b4bfe23f16cd9d691ae5a8d4398683d43e0bd3963c6a9b797aea2b3d79a3.exe
PID 1732 wrote to memory of 2840	1732	8da0b4bfe23f16cd9d691ae5a8d4398683d43e0bd3963c6a9b797aea2b3d79a3.exe	HD_8da0b4bfe23f16cd9d691ae5a8d4398683d43e0bd3963c6a9b797aea2b3d79a3.exe
PID 1732 wrote to memory of 2840	1732	8da0b4bfe23f16cd9d691ae5a8d4398683d43e0bd3963c6a9b797aea2b3d79a3.exe	HD_8da0b4bfe23f16cd9d691ae5a8d4398683d43e0bd3963c6a9b797aea2b3d79a3.exe
PID 1732 wrote to memory of 2840	1732	8da0b4bfe23f16cd9d691ae5a8d4398683d43e0bd3963c6a9b797aea2b3d79a3.exe	HD_8da0b4bfe23f16cd9d691ae5a8d4398683d43e0bd3963c6a9b797aea2b3d79a3.exe
PID 2652 wrote to memory of 2444	2652	cmd.exe	PING.EXE
PID 2652 wrote to memory of 2444	2652	cmd.exe	PING.EXE
PID 2652 wrote to memory of 2444	2652	cmd.exe	PING.EXE
PID 2652 wrote to memory of 2444	2652	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\8da0b4bfe23f16cd9d691ae5a8d4398683d43e0bd3963c6a9b797aea2b3d79a3.exe
"C:\Users\Admin\AppData\Local\Temp\8da0b4bfe23f16cd9d691ae5a8d4398683d43e0bd3963c6a9b797aea2b3d79a3.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1732

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:3000

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:2652

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:2444

C:\Users\Admin\AppData\Local\Temp\HD_8da0b4bfe23f16cd9d691ae5a8d4398683d43e0bd3963c6a9b797aea2b3d79a3.exe
C:\Users\Admin\AppData\Local\Temp\HD_8da0b4bfe23f16cd9d691ae5a8d4398683d43e0bd3963c6a9b797aea2b3d79a3.exe
2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:2840

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2540

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:2676

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
1.1MB

MD5
e3ebb33b879923b6a684517ac5e97df8

SHA1
c58f926bf3635048f9e5eaeb7bc0e18c0b0c8e94

SHA256
6be2e57665ccdbdbb5f352b855ab5402ab5531144bcca57e024ae534208b1cfc

SHA512
4e02d1e9dd5c9537343cf25121f80230a4a9f6c4de50b441a4ec3b923d63526cee846c1e7f5ce2726cc9fd5c2bb02e1cefe057159eccc1e16d40658fff6bf169

Download Submit
\Users\Admin\AppData\Local\Temp\HD_8da0b4bfe23f16cd9d691ae5a8d4398683d43e0bd3963c6a9b797aea2b3d79a3.exe
Filesize
1.3MB

MD5
9fe8c5842e0623b0797b9154c47fa358

SHA1
9c88b788ca29e4718bdd189209f2deee67ce6aa1

SHA256
c9b8136337fbb8907199f1e26d1ba8b9303ba0add276ff69740c24c57696c75d

SHA512
d59cd50df81ebca6d6470f664aa2715d9b324d2e312463bc4964b8d075fc1c07b9dd8f00513e647d530ec68543c506d39bec9e0f15db0e21c2e8476f6f3acf05

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

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

Download Submit
memory/2540-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2540-29-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2676-32-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2676-28-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2676-36-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2676-42-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3000-9-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3000-8-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3000-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3000-5-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download