gh0strat | 35f3ad83820c64944f34e1104aead337bbb8b0fd4920fa595ac787f0dca694f1

General

Target

35f3ad83820c64944f34e1104aead337bbb8b0fd4920fa595ac787f0dca694f1.exe
Size

1.7MB
MD5

ce681e55d92faa0e5fa0f797eaab2a1f
SHA1

e7e7d41717c4b7239b31f01f9a8992687e6a17d8
SHA256

35f3ad83820c64944f34e1104aead337bbb8b0fd4920fa595ac787f0dca694f1
SHA512

8b552ecd8ddabd1650f662d5143abf495b48b244670352c5b7f9d59922b8c2e474dc0ac415dd6a1f10d32ce9ec9db36c28c9b8d6f051e3d54b1d82291f8e0d89
SSDEEP

24576:RQZoidOTdVZinacCET9Ecl1erdg0MCiVWhFU7cVfM4Y+WN5mmT7KM:RQZAdVyVT9n/Gg0P+WhoVvfKM

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/4632-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4632-10-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4632-6-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1400-15-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4728-24-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4728-39-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4728-41-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4728-44-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1400-25-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1400-17-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1400-16-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 12 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4632-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4632-10-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4632-6-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1400-15-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4728-24-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
C:\Windows\SysWOW64\240597281.txt	family_gh0strat
behavioral2/memory/4728-39-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4728-41-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4728-44-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1400-25-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1400-17-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1400-16-0x0000000010000000-0x00000000101B6000-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

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

svchos.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Ö÷¶¯·ÀÓù·þÎñÄ£¿é\Parameters\ServiceDll = "C:\\Windows\\system32\\240597281.txt"	svchos.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 5 IoCs

Processes:

svchost.exeTXPlatforn.exeTXPlatforn.exesvchos.exeÖ÷¶¯·ÀÓù·þÎñÄ£¿é.exe

pid process

4632 svchost.exe
1400 TXPlatforn.exe
4728 TXPlatforn.exe
1388 svchos.exe
3300 Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
Loads dropped DLL 3 IoCs

Processes:

svchos.exesvchost.exeÖ÷¶¯·ÀÓù·þÎñÄ£¿é.exe

pid process

1388 svchos.exe
3732 svchost.exe
3300 Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

pid	process
4632	svchost.exe
1400	TXPlatforn.exe
4728	TXPlatforn.exe
1388	svchos.exe
3300	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

pid	process
1388	svchos.exe
3732	svchost.exe
3300	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

UPX packed file 13 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/4632-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4632-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4632-10-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4632-6-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1400-15-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4728-24-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4728-39-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4728-41-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4728-44-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1400-25-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1400-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1400-16-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1400-13-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

Processes:

svchost.exesvchos.exesvchost.exe

description	ioc	process
File created	C:\Windows\SysWOW64\TXPlatforn.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\TXPlatforn.exe	svchost.exe
File created	C:\Windows\SysWOW64\240597281.txt	svchos.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	svchos.exe
File created	C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe	svchost.exe

Drops file in Program Files directory 5 IoCs

Processes:

35f3ad83820c64944f34e1104aead337bbb8b0fd4920fa595ac787f0dca694f1.exe

description	ioc	process
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	35f3ad83820c64944f34e1104aead337bbb8b0fd4920fa595ac787f0dca694f1.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe	35f3ad83820c64944f34e1104aead337bbb8b0fd4920fa595ac787f0dca694f1.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	35f3ad83820c64944f34e1104aead337bbb8b0fd4920fa595ac787f0dca694f1.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	35f3ad83820c64944f34e1104aead337bbb8b0fd4920fa595ac787f0dca694f1.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	35f3ad83820c64944f34e1104aead337bbb8b0fd4920fa595ac787f0dca694f1.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

2060 PING.EXE
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatforn.exe

pid process

4728 TXPlatforn.exe

pid	process
2060	PING.EXE

pid	process
4728	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

svchost.exeTXPlatforn.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	4632	svchost.exe
Token: SeLoadDriverPrivilege	4728	TXPlatforn.exe
Token: 33	4728	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	4728	TXPlatforn.exe
Token: 33	4728	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	4728	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

35f3ad83820c64944f34e1104aead337bbb8b0fd4920fa595ac787f0dca694f1.exe

pid	process
4364	35f3ad83820c64944f34e1104aead337bbb8b0fd4920fa595ac787f0dca694f1.exe
4364	35f3ad83820c64944f34e1104aead337bbb8b0fd4920fa595ac787f0dca694f1.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

35f3ad83820c64944f34e1104aead337bbb8b0fd4920fa595ac787f0dca694f1.exesvchost.exeTXPlatforn.execmd.exesvchost.exe

description	pid	process	target process
PID 4364 wrote to memory of 4632	4364	35f3ad83820c64944f34e1104aead337bbb8b0fd4920fa595ac787f0dca694f1.exe	svchost.exe
PID 4364 wrote to memory of 4632	4364	35f3ad83820c64944f34e1104aead337bbb8b0fd4920fa595ac787f0dca694f1.exe	svchost.exe
PID 4364 wrote to memory of 4632	4364	35f3ad83820c64944f34e1104aead337bbb8b0fd4920fa595ac787f0dca694f1.exe	svchost.exe
PID 4632 wrote to memory of 1888	4632	svchost.exe	cmd.exe
PID 4632 wrote to memory of 1888	4632	svchost.exe	cmd.exe
PID 4632 wrote to memory of 1888	4632	svchost.exe	cmd.exe
PID 1400 wrote to memory of 4728	1400	TXPlatforn.exe	TXPlatforn.exe
PID 1400 wrote to memory of 4728	1400	TXPlatforn.exe	TXPlatforn.exe
PID 1400 wrote to memory of 4728	1400	TXPlatforn.exe	TXPlatforn.exe
PID 4364 wrote to memory of 1388	4364	35f3ad83820c64944f34e1104aead337bbb8b0fd4920fa595ac787f0dca694f1.exe	svchos.exe
PID 4364 wrote to memory of 1388	4364	35f3ad83820c64944f34e1104aead337bbb8b0fd4920fa595ac787f0dca694f1.exe	svchos.exe
PID 4364 wrote to memory of 1388	4364	35f3ad83820c64944f34e1104aead337bbb8b0fd4920fa595ac787f0dca694f1.exe	svchos.exe
PID 1888 wrote to memory of 2060	1888	cmd.exe	PING.EXE
PID 1888 wrote to memory of 2060	1888	cmd.exe	PING.EXE
PID 1888 wrote to memory of 2060	1888	cmd.exe	PING.EXE
PID 3732 wrote to memory of 3300	3732	svchost.exe	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
PID 3732 wrote to memory of 3300	3732	svchost.exe	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
PID 3732 wrote to memory of 3300	3732	svchost.exe	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

C:\Users\Admin\AppData\Local\Temp\35f3ad83820c64944f34e1104aead337bbb8b0fd4920fa595ac787f0dca694f1.exe
"C:\Users\Admin\AppData\Local\Temp\35f3ad83820c64944f34e1104aead337bbb8b0fd4920fa595ac787f0dca694f1.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4364

C:\Users\Admin\AppData\Local\Temp\svchost.exe
C:\Users\Admin\AppData\Local\Temp\\svchost.exe
2⤵
- Executes dropped EXE
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4632

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\svchost.exe > nul
3⤵
- Suspicious use of WriteProcessMemory
PID:1888

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:2060

C:\Users\Admin\AppData\Local\Temp\svchos.exe
C:\Users\Admin\AppData\Local\Temp\\svchos.exe
2⤵
- Sets DLL path for service in the registry
- Executes dropped EXE
- Loads dropped DLL
- Drops file in System32 directory
PID:1388

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1400

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:4728

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
PID:5036

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:3732

C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\240597281.txt",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:3300

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

2

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

2

T1547.001

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Remote System Discovery

1

T1018

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\HD_X.dat
Filesize
1.7MB

MD5
ce681e55d92faa0e5fa0f797eaab2a1f

SHA1
e7e7d41717c4b7239b31f01f9a8992687e6a17d8

SHA256
35f3ad83820c64944f34e1104aead337bbb8b0fd4920fa595ac787f0dca694f1

SHA512
8b552ecd8ddabd1650f662d5143abf495b48b244670352c5b7f9d59922b8c2e474dc0ac415dd6a1f10d32ce9ec9db36c28c9b8d6f051e3d54b1d82291f8e0d89

Download Submit
C:\Users\Admin\AppData\Local\Temp\svchos.exe
Filesize
93KB

MD5
3b377ad877a942ec9f60ea285f7119a2

SHA1
60b23987b20d913982f723ab375eef50fafa6c70

SHA256
62954fdf65e629b39a29f539619d20691332184c6b6be5a826128a8e759bfa84

SHA512
af3a71f867ad9d28772c48b521097f9bf8931eb89fd2974e8de10990241419a39ddc3c0b36dd38aac4fdf14e1f0c5e228692618e93adce958d5b5dab8940e46f

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

MD5
a4329177954d4104005bce3020e5ef59

SHA1
23c29e295e2dbb8454012d619ca3f81e4c16e85a

SHA256
6156d003d54dcf2ee92f21bd6e7a6a7f91730bd2804381260bcabe465abe6ddd

SHA512
81e9d456a4abfc7cd9e0943d4a0ce15523362c3179f3368381d1d7974f80a9f9113b5404b96e67e91684e0ea1895b7d0073e4c48d0bfc4fd0244b1af6acf0208

Download Submit
C:\Windows\SysWOW64\240597281.txt
Filesize
50KB

MD5
29c3e87fb26656f1a1b727d34d8fd844

SHA1
0a1752aaf3604340d1ded9637aa77d76262cc0f6

SHA256
f21db0e1c83a1c932cccc4f62156d8ea5f627eb12e1160fda8d7281840853252

SHA512
e3cb1f2e16936ab3104a2f413fd079fb9dc8af611caa4d6d4bcc46e33dbdb456d3b0e1c2dc0eaf03a31c3bdc9581f1eb3a67297f4a76c82e8f231cdf3d1709b6

Download Submit
C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/1400-13-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1400-15-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1400-16-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1400-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1400-25-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4632-6-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4632-10-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4632-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4632-5-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4728-44-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4728-41-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4728-39-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4728-24-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads