gh0strat | c7918ef5524f469ce51b12b9c5f74b4f3dffbd21b16e0c31900dc2f0a3807b7e

Analysis

max time kernel
150s
max time network
122s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
04-07-2024 04:18

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General

Target

c7918ef5524f469ce51b12b9c5f74b4f3dffbd21b16e0c31900dc2f0a3807b7e.exe
Size

3.8MB
MD5

7ba43205372be81c1542ab2e6f840370
SHA1

8c5d1773627508be2e70fd6a0fab873b40d9874b
SHA256

c7918ef5524f469ce51b12b9c5f74b4f3dffbd21b16e0c31900dc2f0a3807b7e
SHA512

10dd14c2a2e90d734000a5b0ef9d6e89ea5748ce5dfe9b619731351b6498dabc4e521e9946c1e996de3a1e0ebcdd443ee902525199fe75a95954997816eea4a3
SSDEEP

98304:NZJt4HINy2LkNBvY62Js0aW2LLqnHMlLrmUWEUd3wJ:fiINy2LkNBg62WW2+aPmhE1

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/2392-9-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2392-8-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2392-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2900-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2744-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2744-30-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2744-34-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2900-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2744-72-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2392-9-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2392-8-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2392-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2900-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2744-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2744-30-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2744-34-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2900-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2744-72-0x0000000010000000-0x00000000101B6000-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_c7918ef5524f469ce51b12b9c5f74b4f3dffbd21b16e0c31900dc2f0a3807b7e.exe

pid process

2392 RVN.exe
2900 TXPlatforn.exe
2744 TXPlatforn.exe
2568 HD_c7918ef5524f469ce51b12b9c5f74b4f3dffbd21b16e0c31900dc2f0a3807b7e.exe
Loads dropped DLL 3 IoCs

Processes:

c7918ef5524f469ce51b12b9c5f74b4f3dffbd21b16e0c31900dc2f0a3807b7e.exeTXPlatforn.exe

pid process

2332 c7918ef5524f469ce51b12b9c5f74b4f3dffbd21b16e0c31900dc2f0a3807b7e.exe
2900 TXPlatforn.exe
2332 c7918ef5524f469ce51b12b9c5f74b4f3dffbd21b16e0c31900dc2f0a3807b7e.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
2392	RVN.exe
2900	TXPlatforn.exe
2744	TXPlatforn.exe
2568	HD_c7918ef5524f469ce51b12b9c5f74b4f3dffbd21b16e0c31900dc2f0a3807b7e.exe

pid	process
2332	c7918ef5524f469ce51b12b9c5f74b4f3dffbd21b16e0c31900dc2f0a3807b7e.exe
2900	TXPlatforn.exe
2332	c7918ef5524f469ce51b12b9c5f74b4f3dffbd21b16e0c31900dc2f0a3807b7e.exe

UPX packed file 10 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/2392-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2392-9-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2392-8-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2392-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2900-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2744-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2744-30-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2744-34-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2900-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2744-72-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 2 IoCs

Processes:

RVN.exe

description ioc process

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

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

Drops file in Program Files directory 4 IoCs

Processes:

c7918ef5524f469ce51b12b9c5f74b4f3dffbd21b16e0c31900dc2f0a3807b7e.exe

description	ioc	process
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	c7918ef5524f469ce51b12b9c5f74b4f3dffbd21b16e0c31900dc2f0a3807b7e.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	c7918ef5524f469ce51b12b9c5f74b4f3dffbd21b16e0c31900dc2f0a3807b7e.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	c7918ef5524f469ce51b12b9c5f74b4f3dffbd21b16e0c31900dc2f0a3807b7e.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	c7918ef5524f469ce51b12b9c5f74b4f3dffbd21b16e0c31900dc2f0a3807b7e.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

2544 PING.EXE
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

c7918ef5524f469ce51b12b9c5f74b4f3dffbd21b16e0c31900dc2f0a3807b7e.exe

pid process

2332 c7918ef5524f469ce51b12b9c5f74b4f3dffbd21b16e0c31900dc2f0a3807b7e.exe
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatforn.exe

pid process

2744 TXPlatforn.exe

pid	process
2544	PING.EXE

pid	process
2332	c7918ef5524f469ce51b12b9c5f74b4f3dffbd21b16e0c31900dc2f0a3807b7e.exe

pid	process
2744	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

RVN.exeTXPlatforn.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2392	RVN.exe
Token: SeLoadDriverPrivilege	2744	TXPlatforn.exe
Token: 33	2744	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2744	TXPlatforn.exe
Token: 33	2744	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2744	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

c7918ef5524f469ce51b12b9c5f74b4f3dffbd21b16e0c31900dc2f0a3807b7e.exe

pid process

2332 c7918ef5524f469ce51b12b9c5f74b4f3dffbd21b16e0c31900dc2f0a3807b7e.exe
2332 c7918ef5524f469ce51b12b9c5f74b4f3dffbd21b16e0c31900dc2f0a3807b7e.exe

pid	process
2332	c7918ef5524f469ce51b12b9c5f74b4f3dffbd21b16e0c31900dc2f0a3807b7e.exe
2332	c7918ef5524f469ce51b12b9c5f74b4f3dffbd21b16e0c31900dc2f0a3807b7e.exe

Suspicious use of WriteProcessMemory 22 IoCs

Processes:

c7918ef5524f469ce51b12b9c5f74b4f3dffbd21b16e0c31900dc2f0a3807b7e.exeRVN.exeTXPlatforn.execmd.exe

description	pid	process	target process
PID 2332 wrote to memory of 2392	2332	c7918ef5524f469ce51b12b9c5f74b4f3dffbd21b16e0c31900dc2f0a3807b7e.exe	RVN.exe
PID 2332 wrote to memory of 2392	2332	c7918ef5524f469ce51b12b9c5f74b4f3dffbd21b16e0c31900dc2f0a3807b7e.exe	RVN.exe
PID 2332 wrote to memory of 2392	2332	c7918ef5524f469ce51b12b9c5f74b4f3dffbd21b16e0c31900dc2f0a3807b7e.exe	RVN.exe
PID 2332 wrote to memory of 2392	2332	c7918ef5524f469ce51b12b9c5f74b4f3dffbd21b16e0c31900dc2f0a3807b7e.exe	RVN.exe
PID 2332 wrote to memory of 2392	2332	c7918ef5524f469ce51b12b9c5f74b4f3dffbd21b16e0c31900dc2f0a3807b7e.exe	RVN.exe
PID 2332 wrote to memory of 2392	2332	c7918ef5524f469ce51b12b9c5f74b4f3dffbd21b16e0c31900dc2f0a3807b7e.exe	RVN.exe
PID 2332 wrote to memory of 2392	2332	c7918ef5524f469ce51b12b9c5f74b4f3dffbd21b16e0c31900dc2f0a3807b7e.exe	RVN.exe
PID 2392 wrote to memory of 2756	2392	RVN.exe	cmd.exe
PID 2392 wrote to memory of 2756	2392	RVN.exe	cmd.exe
PID 2392 wrote to memory of 2756	2392	RVN.exe	cmd.exe
PID 2392 wrote to memory of 2756	2392	RVN.exe	cmd.exe
PID 2900 wrote to memory of 2744	2900	TXPlatforn.exe	TXPlatforn.exe
PID 2900 wrote to memory of 2744	2900	TXPlatforn.exe	TXPlatforn.exe
PID 2900 wrote to memory of 2744	2900	TXPlatforn.exe	TXPlatforn.exe
PID 2900 wrote to memory of 2744	2900	TXPlatforn.exe	TXPlatforn.exe
PID 2900 wrote to memory of 2744	2900	TXPlatforn.exe	TXPlatforn.exe
PID 2900 wrote to memory of 2744	2900	TXPlatforn.exe	TXPlatforn.exe
PID 2900 wrote to memory of 2744	2900	TXPlatforn.exe	TXPlatforn.exe
PID 2756 wrote to memory of 2544	2756	cmd.exe	PING.EXE
PID 2756 wrote to memory of 2544	2756	cmd.exe	PING.EXE
PID 2756 wrote to memory of 2544	2756	cmd.exe	PING.EXE
PID 2756 wrote to memory of 2544	2756	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\c7918ef5524f469ce51b12b9c5f74b4f3dffbd21b16e0c31900dc2f0a3807b7e.exe
"C:\Users\Admin\AppData\Local\Temp\c7918ef5524f469ce51b12b9c5f74b4f3dffbd21b16e0c31900dc2f0a3807b7e.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2332

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:2392

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:2756

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:2544

C:\Users\Admin\AppData\Local\Temp\HD_c7918ef5524f469ce51b12b9c5f74b4f3dffbd21b16e0c31900dc2f0a3807b7e.exe
C:\Users\Admin\AppData\Local\Temp\HD_c7918ef5524f469ce51b12b9c5f74b4f3dffbd21b16e0c31900dc2f0a3807b7e.exe
2⤵
- Executes dropped EXE
PID:2568

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2900

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:2744

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
d5192f8aaf1d0cc978ff5f51ff8bce32

SHA1
616ec441efcc39cfc158004f46d407cb909514db

SHA256
f1b2caaa59dd4b6da81ad6feb12e3a58c3c094cbdf300454ce3e5f1ef4e13b58

SHA512
cbc09e565c8dcf16ea4399071521a8826c2ad91776dfd56328455c82db648d0054790070b43b258cdfc9d5351bcc19703f66ed5f9e6b298ee5b8acfbf8871c81

Download Submit
C:\Users\Admin\AppData\Local\Temp\HD_c7918ef5524f469ce51b12b9c5f74b4f3dffbd21b16e0c31900dc2f0a3807b7e.exe
Filesize
2.3MB

MD5
ece3c77db79320d72585d4e9d2360d87

SHA1
cd25bf7c5cbe3251cfeb5980bb22b40c33d63277

SHA256
71aa47050ecf945ea440a5fcac95fe6ebff3f1e829d2381abceea8ec18ff712e

SHA512
29ac17797c7cc06684f1e69ee40d99bb9b5c20e55da754b5445adac4d6f0701f57bb93073bb5980b6b5d3a340cd2e295082a58aa73f19436dc771689d202163d

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

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

Download Submit
memory/2392-8-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2392-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2392-9-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2392-5-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2744-28-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2744-30-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2744-34-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2744-72-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2900-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2900-29-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download