gh0strat | 4624f3c5925224ffa38cd1418529a2455e2e7746fd9ddfc10aa38391d486526f

Analysis

max time kernel
150s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
14-08-2023 01:02

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General

Target

4624f3c5925224ffa38cd1418529a2455e2e7746fd9ddfc10aa38391d486526f.exe
Size

2.3MB
MD5

b0b21fcec04b19d10b67e4aea2179540
SHA1

5e2c580ccb3c4c4a97e3b216a9d55fd40927bcee
SHA256

4624f3c5925224ffa38cd1418529a2455e2e7746fd9ddfc10aa38391d486526f
SHA512

dbc58775586b6e2cd028dd00a0dcf2abfa00feecba53b9c6f0a0fc043a7aacc8a08d675c66aa075092e8418a10271d024554151e7bee9f2d2822a2dd9dd2f64c
SSDEEP

24576:yCwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nHG:yCwsbCANnKXferL7Vwe/Gg0P+Whhn

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
behavioral2/memory/4724-154-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4724-153-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2544-163-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2544-162-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4724-165-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2544-170-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4896-174-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4896-181-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4896-190-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 13 IoCs

Processes:

resource	yara_rule
C:\Windows\SysWOW64\240640531.txt	family_gh0strat
C:\Windows\SysWOW64\240640531.txt	family_gh0strat
\??\c:\windows\SysWOW64\240640531.txt	family_gh0strat
behavioral2/memory/4724-154-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4724-153-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2544-163-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2544-162-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4724-165-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2544-170-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4896-174-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4896-181-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4896-190-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
C:\Windows\SysWOW64\240640531.txt	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:

TXPlatfor.exe

description ioc process

File created C:\Windows\system32\drivers\QAssist.sys TXPlatfor.exe

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

Sets DLL path for service in the registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

R.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Remote Data\Parameters\ServiceDll = "C:\\Windows\\system32\\240640531.txt"	R.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

TXPlatfor.exe

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

Executes dropped EXE 5 IoCs

Processes:

R.exeN.exeTXPlatfor.exeTXPlatfor.exeRemote Data.exe

pid process

3728 R.exe
4724 N.exe
2544 TXPlatfor.exe
4896 TXPlatfor.exe
4168 Remote Data.exe
Loads dropped DLL 3 IoCs

Processes:

R.exesvchost.exeRemote Data.exe

pid process

3728 R.exe
1776 svchost.exe
4168 Remote Data.exe

pid	process
3728	R.exe
4724	N.exe
2544	TXPlatfor.exe
4896	TXPlatfor.exe
4168	Remote Data.exe

pid	process
3728	R.exe
1776	svchost.exe
4168	Remote Data.exe

UPX packed file 11 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/4724-150-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4724-154-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4724-153-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2544-159-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2544-163-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2544-162-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4724-165-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2544-170-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4896-174-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4896-181-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4896-190-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

Processes:

svchost.exeN.exeR.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\Remote Data.exe	svchost.exe
File created	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe
File opened for modification	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe
File created	C:\Windows\SysWOW64\240640531.txt	R.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	R.exe
File created	C:\Windows\SysWOW64\Remote Data.exe	svchost.exe

Drops file in Program Files directory 1 IoCs

Processes:

4624f3c5925224ffa38cd1418529a2455e2e7746fd9ddfc10aa38391d486526f.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	4624f3c5925224ffa38cd1418529a2455e2e7746fd9ddfc10aa38391d486526f.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

4764 PING.EXE
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatfor.exe

pid process

4896 TXPlatfor.exe

pid	process
4764	PING.EXE

pid	process
4896	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

N.exeTXPlatfor.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	4724	N.exe
Token: SeLoadDriverPrivilege	4896	TXPlatfor.exe
Token: 33	4896	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	4896	TXPlatfor.exe
Token: 33	4896	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	4896	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

4624f3c5925224ffa38cd1418529a2455e2e7746fd9ddfc10aa38391d486526f.exe

pid	process
5004	4624f3c5925224ffa38cd1418529a2455e2e7746fd9ddfc10aa38391d486526f.exe
5004	4624f3c5925224ffa38cd1418529a2455e2e7746fd9ddfc10aa38391d486526f.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

4624f3c5925224ffa38cd1418529a2455e2e7746fd9ddfc10aa38391d486526f.exeN.exeTXPlatfor.execmd.exesvchost.exe

description	pid	process	target process
PID 5004 wrote to memory of 3728	5004	4624f3c5925224ffa38cd1418529a2455e2e7746fd9ddfc10aa38391d486526f.exe	R.exe
PID 5004 wrote to memory of 3728	5004	4624f3c5925224ffa38cd1418529a2455e2e7746fd9ddfc10aa38391d486526f.exe	R.exe
PID 5004 wrote to memory of 3728	5004	4624f3c5925224ffa38cd1418529a2455e2e7746fd9ddfc10aa38391d486526f.exe	R.exe
PID 5004 wrote to memory of 4724	5004	4624f3c5925224ffa38cd1418529a2455e2e7746fd9ddfc10aa38391d486526f.exe	N.exe
PID 5004 wrote to memory of 4724	5004	4624f3c5925224ffa38cd1418529a2455e2e7746fd9ddfc10aa38391d486526f.exe	N.exe
PID 5004 wrote to memory of 4724	5004	4624f3c5925224ffa38cd1418529a2455e2e7746fd9ddfc10aa38391d486526f.exe	N.exe
PID 4724 wrote to memory of 1216	4724	N.exe	cmd.exe
PID 4724 wrote to memory of 1216	4724	N.exe	cmd.exe
PID 4724 wrote to memory of 1216	4724	N.exe	cmd.exe
PID 2544 wrote to memory of 4896	2544	TXPlatfor.exe	TXPlatfor.exe
PID 2544 wrote to memory of 4896	2544	TXPlatfor.exe	TXPlatfor.exe
PID 2544 wrote to memory of 4896	2544	TXPlatfor.exe	TXPlatfor.exe
PID 1216 wrote to memory of 4764	1216	cmd.exe	PING.EXE
PID 1216 wrote to memory of 4764	1216	cmd.exe	PING.EXE
PID 1216 wrote to memory of 4764	1216	cmd.exe	PING.EXE
PID 1776 wrote to memory of 4168	1776	svchost.exe	Remote Data.exe
PID 1776 wrote to memory of 4168	1776	svchost.exe	Remote Data.exe
PID 1776 wrote to memory of 4168	1776	svchost.exe	Remote Data.exe

C:\Users\Admin\AppData\Local\Temp\4624f3c5925224ffa38cd1418529a2455e2e7746fd9ddfc10aa38391d486526f.exe
"C:\Users\Admin\AppData\Local\Temp\4624f3c5925224ffa38cd1418529a2455e2e7746fd9ddfc10aa38391d486526f.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5004

C:\Users\Admin\AppData\Local\Temp\R.exe
C:\Users\Admin\AppData\Local\Temp\\R.exe
2⤵
- Sets DLL path for service in the registry
- Executes dropped EXE
- Loads dropped DLL
- Drops file in System32 directory
PID:3728

C:\Users\Admin\AppData\Local\Temp\N.exe
C:\Users\Admin\AppData\Local\Temp\\N.exe
2⤵
- Executes dropped EXE
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4724

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\N.exe > nul
3⤵
- Suspicious use of WriteProcessMemory
PID:1216

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:4764

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:2852

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:1776

C:\Windows\SysWOW64\Remote Data.exe
"C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240640531.txt",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:4168

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2544

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.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:4896

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Remote System Discovery

T1018

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\HD_X.dat
Filesize
2.3MB

MD5
b0b21fcec04b19d10b67e4aea2179540

SHA1
5e2c580ccb3c4c4a97e3b216a9d55fd40927bcee

SHA256
4624f3c5925224ffa38cd1418529a2455e2e7746fd9ddfc10aa38391d486526f

SHA512
dbc58775586b6e2cd028dd00a0dcf2abfa00feecba53b9c6f0a0fc043a7aacc8a08d675c66aa075092e8418a10271d024554151e7bee9f2d2822a2dd9dd2f64c

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

MD5
4a36a48e58829c22381572b2040b6fe0

SHA1
f09d30e44ff7e3f20a5de307720f3ad148c6143b

SHA256
3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

SHA512
5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

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

MD5
4a36a48e58829c22381572b2040b6fe0

SHA1
f09d30e44ff7e3f20a5de307720f3ad148c6143b

SHA256
3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

SHA512
5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

Download Submit
C:\Users\Admin\AppData\Local\Temp\R.exe
Filesize
941KB

MD5
8dc3adf1c490211971c1e2325f1424d2

SHA1
4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

SHA256
bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

SHA512
ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

Download Submit
C:\Users\Admin\AppData\Local\Temp\R.exe
Filesize
941KB

MD5
8dc3adf1c490211971c1e2325f1424d2

SHA1
4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

SHA256
bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

SHA512
ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

Download Submit
C:\Windows\SysWOW64\240640531.txt
Filesize
899KB

MD5
74d3869d22f0c8cd45094cda991b2cb2

SHA1
ede0832771635ca670687c435f6a0be9c6cb2a89

SHA256
62695fce679234d5f4d2caa746b56038ea8d3cb459b6726721e14c17640e40ac

SHA512
a56799f6f05957e3b9eaa729b5d37b8f0ce43235b5683233e8a07a79b724176589914b809172c035b4c9cd04b33c47865ef932a79483439916ae0ac211961f32

Download Submit
C:\Windows\SysWOW64\240640531.txt
Filesize
899KB

MD5
74d3869d22f0c8cd45094cda991b2cb2

SHA1
ede0832771635ca670687c435f6a0be9c6cb2a89

SHA256
62695fce679234d5f4d2caa746b56038ea8d3cb459b6726721e14c17640e40ac

SHA512
a56799f6f05957e3b9eaa729b5d37b8f0ce43235b5683233e8a07a79b724176589914b809172c035b4c9cd04b33c47865ef932a79483439916ae0ac211961f32

Download Submit
C:\Windows\SysWOW64\240640531.txt
Filesize
899KB

MD5
74d3869d22f0c8cd45094cda991b2cb2

SHA1
ede0832771635ca670687c435f6a0be9c6cb2a89

SHA256
62695fce679234d5f4d2caa746b56038ea8d3cb459b6726721e14c17640e40ac

SHA512
a56799f6f05957e3b9eaa729b5d37b8f0ce43235b5683233e8a07a79b724176589914b809172c035b4c9cd04b33c47865ef932a79483439916ae0ac211961f32

Download Submit
C:\Windows\SysWOW64\Remote Data.exe
Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
C:\Windows\SysWOW64\Remote Data.exe
Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
C:\Windows\SysWOW64\TXPlatfor.exe
Filesize
377KB

MD5
4a36a48e58829c22381572b2040b6fe0

SHA1
f09d30e44ff7e3f20a5de307720f3ad148c6143b

SHA256
3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

SHA512
5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

Download Submit
C:\Windows\SysWOW64\TXPlatfor.exe
Filesize
377KB

MD5
4a36a48e58829c22381572b2040b6fe0

SHA1
f09d30e44ff7e3f20a5de307720f3ad148c6143b

SHA256
3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

SHA512
5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

Download Submit
C:\Windows\SysWOW64\TXPlatfor.exe
Filesize
377KB

MD5
4a36a48e58829c22381572b2040b6fe0

SHA1
f09d30e44ff7e3f20a5de307720f3ad148c6143b

SHA256
3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

SHA512
5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

Download Submit
\??\c:\windows\SysWOW64\240640531.txt
Filesize
899KB

MD5
74d3869d22f0c8cd45094cda991b2cb2

SHA1
ede0832771635ca670687c435f6a0be9c6cb2a89

SHA256
62695fce679234d5f4d2caa746b56038ea8d3cb459b6726721e14c17640e40ac

SHA512
a56799f6f05957e3b9eaa729b5d37b8f0ce43235b5683233e8a07a79b724176589914b809172c035b4c9cd04b33c47865ef932a79483439916ae0ac211961f32

Download Submit
memory/2544-159-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2544-162-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2544-170-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2544-163-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4724-165-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4724-153-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4724-154-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4724-150-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4896-174-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

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memory/4896-181-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

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memory/4896-190-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

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