gh0strat | 8257318580663a97feba71dd49d7ee3cda39fd63d254fb8c956c14e5a981776d

Analysis

max time kernel
5s
max time network
125s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
01-07-2024 03:25

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General

Target

8257318580663a97feba71dd49d7ee3cda39fd63d254fb8c956c14e5a981776d.exe
Size

1.7MB
MD5

3a7d86559cf14470eb44ba9cca87b55f
SHA1

4b894a7837bbeebbff97cd0eb650b5ff79864dcd
SHA256

8257318580663a97feba71dd49d7ee3cda39fd63d254fb8c956c14e5a981776d
SHA512

a63b220afe7837215e5a1556d1a917740564f4c5c649613b43b9e195a1856a0d2580df2043a4fc30f32ffe485ea48894440c2bb58d7032deb8f1e4a7f9517957
SSDEEP

24576:5QZoidOTdVZinacCET9Ecl1erdg0MCiVWhFU7cVlhpluvqkFM4Y+WN5mmT7KB:5QZAdVyVT9n/Gg0P+WhoehpluvkvfKB

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 8 IoCs

Detect PurpleFox Rootkit.

rootkit

Processes:

resource	yara_rule
behavioral1/memory/2060-12-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2060-8-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2060-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3044-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2696-38-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2696-40-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2696-35-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3044-34-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2060-12-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2060-8-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2060-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3044-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2696-38-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2696-40-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
\Windows\SysWOW64\259411784.txt	family_gh0strat
behavioral1/memory/2696-35-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3044-34-0x0000000010000000-0x00000000101B6000-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
Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs
persistence

Terminal Services DLL
T1505.005

Processes:

svchos.exe

description ioc process

Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Ö÷¶¯·ÀÓù·þÎñÄ£¿é\Parameters\ServiceDll = "C:\\Windows\\system32\\259411784.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

2060 svchost.exe
3044 TXPlatforn.exe
2696 TXPlatforn.exe
2740 svchos.exe
2852 Ö÷¶¯·ÀÓù·þÎñÄ£¿é.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\Ö÷¶¯·ÀÓù·þÎñÄ£¿é\Parameters\ServiceDll = "C:\\Windows\\system32\\259411784.txt"	svchos.exe

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

pid	process
2060	svchost.exe
3044	TXPlatforn.exe
2696	TXPlatforn.exe
2740	svchos.exe
2852	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

Loads dropped DLL 7 IoCs

Processes:

8257318580663a97feba71dd49d7ee3cda39fd63d254fb8c956c14e5a981776d.exeTXPlatforn.exesvchos.exesvchost.exeÖ÷¶¯·ÀÓù·þÎñÄ£¿é.exe

pid	process
2416	8257318580663a97feba71dd49d7ee3cda39fd63d254fb8c956c14e5a981776d.exe
3044	TXPlatforn.exe
2416	8257318580663a97feba71dd49d7ee3cda39fd63d254fb8c956c14e5a981776d.exe
2740	svchos.exe
2608	svchost.exe
2608	svchost.exe
2852	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

UPX packed file 9 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/2060-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2060-12-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2060-8-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2060-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3044-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2696-38-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2696-40-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2696-35-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3044-34-0x0000000010000000-0x00000000101B6000-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\259411784.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 4 IoCs

Processes:

8257318580663a97feba71dd49d7ee3cda39fd63d254fb8c956c14e5a981776d.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	8257318580663a97feba71dd49d7ee3cda39fd63d254fb8c956c14e5a981776d.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	8257318580663a97feba71dd49d7ee3cda39fd63d254fb8c956c14e5a981776d.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	8257318580663a97feba71dd49d7ee3cda39fd63d254fb8c956c14e5a981776d.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	8257318580663a97feba71dd49d7ee3cda39fd63d254fb8c956c14e5a981776d.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

3000 PING.EXE
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatforn.exe

pid process

2696 TXPlatforn.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

svchost.exeTXPlatforn.exe

description pid process

Token: SeIncBasePriorityPrivilege 2060 svchost.exe
Token: SeLoadDriverPrivilege 2696 TXPlatforn.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

8257318580663a97feba71dd49d7ee3cda39fd63d254fb8c956c14e5a981776d.exe

pid process

2416 8257318580663a97feba71dd49d7ee3cda39fd63d254fb8c956c14e5a981776d.exe
2416 8257318580663a97feba71dd49d7ee3cda39fd63d254fb8c956c14e5a981776d.exe

pid	process
3000	PING.EXE

pid	process
2696	TXPlatforn.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2060	svchost.exe
Token: SeLoadDriverPrivilege	2696	TXPlatforn.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

8257318580663a97feba71dd49d7ee3cda39fd63d254fb8c956c14e5a981776d.exesvchost.exeTXPlatforn.execmd.exesvchost.exe

description	pid	process	target process
PID 2416 wrote to memory of 2060	2416	8257318580663a97feba71dd49d7ee3cda39fd63d254fb8c956c14e5a981776d.exe	svchost.exe
PID 2416 wrote to memory of 2060	2416	8257318580663a97feba71dd49d7ee3cda39fd63d254fb8c956c14e5a981776d.exe	svchost.exe
PID 2416 wrote to memory of 2060	2416	8257318580663a97feba71dd49d7ee3cda39fd63d254fb8c956c14e5a981776d.exe	svchost.exe
PID 2416 wrote to memory of 2060	2416	8257318580663a97feba71dd49d7ee3cda39fd63d254fb8c956c14e5a981776d.exe	svchost.exe
PID 2416 wrote to memory of 2060	2416	8257318580663a97feba71dd49d7ee3cda39fd63d254fb8c956c14e5a981776d.exe	svchost.exe
PID 2416 wrote to memory of 2060	2416	8257318580663a97feba71dd49d7ee3cda39fd63d254fb8c956c14e5a981776d.exe	svchost.exe
PID 2416 wrote to memory of 2060	2416	8257318580663a97feba71dd49d7ee3cda39fd63d254fb8c956c14e5a981776d.exe	svchost.exe
PID 2060 wrote to memory of 2708	2060	svchost.exe	cmd.exe
PID 2060 wrote to memory of 2708	2060	svchost.exe	cmd.exe
PID 2060 wrote to memory of 2708	2060	svchost.exe	cmd.exe
PID 2060 wrote to memory of 2708	2060	svchost.exe	cmd.exe
PID 2416 wrote to memory of 2740	2416	8257318580663a97feba71dd49d7ee3cda39fd63d254fb8c956c14e5a981776d.exe	svchos.exe
PID 2416 wrote to memory of 2740	2416	8257318580663a97feba71dd49d7ee3cda39fd63d254fb8c956c14e5a981776d.exe	svchos.exe
PID 2416 wrote to memory of 2740	2416	8257318580663a97feba71dd49d7ee3cda39fd63d254fb8c956c14e5a981776d.exe	svchos.exe
PID 2416 wrote to memory of 2740	2416	8257318580663a97feba71dd49d7ee3cda39fd63d254fb8c956c14e5a981776d.exe	svchos.exe
PID 3044 wrote to memory of 2696	3044	TXPlatforn.exe	TXPlatforn.exe
PID 3044 wrote to memory of 2696	3044	TXPlatforn.exe	TXPlatforn.exe
PID 3044 wrote to memory of 2696	3044	TXPlatforn.exe	TXPlatforn.exe
PID 3044 wrote to memory of 2696	3044	TXPlatforn.exe	TXPlatforn.exe
PID 3044 wrote to memory of 2696	3044	TXPlatforn.exe	TXPlatforn.exe
PID 3044 wrote to memory of 2696	3044	TXPlatforn.exe	TXPlatforn.exe
PID 3044 wrote to memory of 2696	3044	TXPlatforn.exe	TXPlatforn.exe
PID 2708 wrote to memory of 3000	2708	cmd.exe	PING.EXE
PID 2708 wrote to memory of 3000	2708	cmd.exe	PING.EXE
PID 2708 wrote to memory of 3000	2708	cmd.exe	PING.EXE
PID 2708 wrote to memory of 3000	2708	cmd.exe	PING.EXE
PID 2608 wrote to memory of 2852	2608	svchost.exe	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
PID 2608 wrote to memory of 2852	2608	svchost.exe	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
PID 2608 wrote to memory of 2852	2608	svchost.exe	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
PID 2608 wrote to memory of 2852	2608	svchost.exe	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

C:\Users\Admin\AppData\Local\Temp\8257318580663a97feba71dd49d7ee3cda39fd63d254fb8c956c14e5a981776d.exe
"C:\Users\Admin\AppData\Local\Temp\8257318580663a97feba71dd49d7ee3cda39fd63d254fb8c956c14e5a981776d.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2416

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:2060

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:2708

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:3000

C:\Users\Admin\AppData\Local\Temp\svchos.exe
C:\Users\Admin\AppData\Local\Temp\\svchos.exe
2⤵
- Server Software Component: Terminal Services DLL
- Executes dropped EXE
- Loads dropped DLL
- Drops file in System32 directory
PID:2740

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3044

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:2696

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
PID:2640

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:2608

C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\259411784.txt",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:2852

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
1.7MB

MD5
3a7d86559cf14470eb44ba9cca87b55f

SHA1
4b894a7837bbeebbff97cd0eb650b5ff79864dcd

SHA256
8257318580663a97feba71dd49d7ee3cda39fd63d254fb8c956c14e5a981776d

SHA512
a63b220afe7837215e5a1556d1a917740564f4c5c649613b43b9e195a1856a0d2580df2043a4fc30f32ffe485ea48894440c2bb58d7032deb8f1e4a7f9517957

Download Submit
C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

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

MD5
3b377ad877a942ec9f60ea285f7119a2

SHA1
60b23987b20d913982f723ab375eef50fafa6c70

SHA256
62954fdf65e629b39a29f539619d20691332184c6b6be5a826128a8e759bfa84

SHA512
af3a71f867ad9d28772c48b521097f9bf8931eb89fd2974e8de10990241419a39ddc3c0b36dd38aac4fdf14e1f0c5e228692618e93adce958d5b5dab8940e46f

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

MD5
a4329177954d4104005bce3020e5ef59

SHA1
23c29e295e2dbb8454012d619ca3f81e4c16e85a

SHA256
6156d003d54dcf2ee92f21bd6e7a6a7f91730bd2804381260bcabe465abe6ddd

SHA512
81e9d456a4abfc7cd9e0943d4a0ce15523362c3179f3368381d1d7974f80a9f9113b5404b96e67e91684e0ea1895b7d0073e4c48d0bfc4fd0244b1af6acf0208

Download Submit
\Windows\SysWOW64\259411784.txt
Filesize
50KB

MD5
69d71d2396ae008f1334c8fd018d4048

SHA1
4cdaf373c4f19a4f5dce307dea2425c8bf16b515

SHA256
2d68b9a12fa667718430299e7b89f04083ac8be5e90c6fcf8bf0a0894afdb676

SHA512
06d94fe7e1e0803b378cec73c5672fe883b8b7744eb7dd0f2ae3486cb8fc9f72fdd3f7ca7e23ef9919af7cf7b77dc853d342629f0941b0fff833a87528a39ee1

Download Submit
memory/2060-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2060-8-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2060-12-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2060-5-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2696-38-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2696-40-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2696-35-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3044-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3044-34-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download