gh0strat | 7b0e4f2cfe4934f00c4a2e70be428c6fa56d6f92057af02517b29aa924d211b5

Analysis

max time kernel
150s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240704-en
resource tags

arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
submitted
05-07-2024 05:05

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General

Target

7b0e4f2cfe4934f00c4a2e70be428c6fa56d6f92057af02517b29aa924d211b5.exe
Size

1.6MB
MD5

8e0dcf18e8a49a6328dd79850f67e235
SHA1

d1dde808c2392bf00941207d6bc6a3d0f15e9113
SHA256

7b0e4f2cfe4934f00c4a2e70be428c6fa56d6f92057af02517b29aa924d211b5
SHA512

f00b2c50e038f640bd5e988dc8c10bb6c4a6179687374eed3c395727d7d11edd690ba68805499636aeb819877c62ee8c59ab3785699ad5f23f927d8a9730bd94
SSDEEP

24576:GQZoidOTdVZinacCET9Ecl1erdg0MCiVWhFU7cVITGL7:GQZAdVyVT9n/Gg0P+WhoW

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/1672-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1672-10-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1672-6-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3152-16-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1808-32-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1808-31-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1808-36-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1808-43-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3152-41-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3152-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3152-15-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 12 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1672-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1672-10-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1672-6-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3152-16-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
C:\Windows\SysWOW64\240667140.txt	family_gh0strat
behavioral2/memory/1808-32-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1808-31-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1808-36-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1808-43-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3152-41-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3152-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3152-15-0x0000000010000000-0x00000000101B6000-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\\240667140.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.exesvchos.exeTXPlatforn.exeÖ÷¶¯·ÀÓù·þÎñÄ£¿é.exe

pid process

1672 svchost.exe
3152 TXPlatforn.exe
3504 svchos.exe
1808 TXPlatforn.exe
4776 Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
Loads dropped DLL 3 IoCs

Processes:

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

pid process

3504 svchos.exe
2880 svchost.exe
4776 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\\240667140.txt"	svchos.exe

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

pid	process
1672	svchost.exe
3152	TXPlatforn.exe
3504	svchos.exe
1808	TXPlatforn.exe
4776	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

pid	process
3504	svchos.exe
2880	svchost.exe
4776	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/1672-4-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1672-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1672-10-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1672-6-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3152-16-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1808-32-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1808-31-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1808-36-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1808-43-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3152-41-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3152-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3152-13-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3152-15-0x0000000010000000-0x00000000101B6000-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\240667140.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:

7b0e4f2cfe4934f00c4a2e70be428c6fa56d6f92057af02517b29aa924d211b5.exe

description	ioc	process
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	7b0e4f2cfe4934f00c4a2e70be428c6fa56d6f92057af02517b29aa924d211b5.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	7b0e4f2cfe4934f00c4a2e70be428c6fa56d6f92057af02517b29aa924d211b5.exe
File created	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	7b0e4f2cfe4934f00c4a2e70be428c6fa56d6f92057af02517b29aa924d211b5.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe	7b0e4f2cfe4934f00c4a2e70be428c6fa56d6f92057af02517b29aa924d211b5.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	7b0e4f2cfe4934f00c4a2e70be428c6fa56d6f92057af02517b29aa924d211b5.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

2320 PING.EXE
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatforn.exe

pid process

1808 TXPlatforn.exe

pid	process
2320	PING.EXE

pid	process
1808	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

svchost.exeTXPlatforn.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1672	svchost.exe
Token: SeLoadDriverPrivilege	1808	TXPlatforn.exe
Token: 33	1808	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	1808	TXPlatforn.exe
Token: 33	1808	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	1808	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

7b0e4f2cfe4934f00c4a2e70be428c6fa56d6f92057af02517b29aa924d211b5.exe

pid process

3436 7b0e4f2cfe4934f00c4a2e70be428c6fa56d6f92057af02517b29aa924d211b5.exe
3436 7b0e4f2cfe4934f00c4a2e70be428c6fa56d6f92057af02517b29aa924d211b5.exe

pid	process
3436	7b0e4f2cfe4934f00c4a2e70be428c6fa56d6f92057af02517b29aa924d211b5.exe
3436	7b0e4f2cfe4934f00c4a2e70be428c6fa56d6f92057af02517b29aa924d211b5.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

7b0e4f2cfe4934f00c4a2e70be428c6fa56d6f92057af02517b29aa924d211b5.exesvchost.exeTXPlatforn.execmd.exesvchost.exe

description	pid	process	target process
PID 3436 wrote to memory of 1672	3436	7b0e4f2cfe4934f00c4a2e70be428c6fa56d6f92057af02517b29aa924d211b5.exe	svchost.exe
PID 3436 wrote to memory of 1672	3436	7b0e4f2cfe4934f00c4a2e70be428c6fa56d6f92057af02517b29aa924d211b5.exe	svchost.exe
PID 3436 wrote to memory of 1672	3436	7b0e4f2cfe4934f00c4a2e70be428c6fa56d6f92057af02517b29aa924d211b5.exe	svchost.exe
PID 1672 wrote to memory of 5000	1672	svchost.exe	cmd.exe
PID 1672 wrote to memory of 5000	1672	svchost.exe	cmd.exe
PID 1672 wrote to memory of 5000	1672	svchost.exe	cmd.exe
PID 3436 wrote to memory of 3504	3436	7b0e4f2cfe4934f00c4a2e70be428c6fa56d6f92057af02517b29aa924d211b5.exe	svchos.exe
PID 3436 wrote to memory of 3504	3436	7b0e4f2cfe4934f00c4a2e70be428c6fa56d6f92057af02517b29aa924d211b5.exe	svchos.exe
PID 3436 wrote to memory of 3504	3436	7b0e4f2cfe4934f00c4a2e70be428c6fa56d6f92057af02517b29aa924d211b5.exe	svchos.exe
PID 3152 wrote to memory of 1808	3152	TXPlatforn.exe	TXPlatforn.exe
PID 3152 wrote to memory of 1808	3152	TXPlatforn.exe	TXPlatforn.exe
PID 3152 wrote to memory of 1808	3152	TXPlatforn.exe	TXPlatforn.exe
PID 5000 wrote to memory of 2320	5000	cmd.exe	PING.EXE
PID 5000 wrote to memory of 2320	5000	cmd.exe	PING.EXE
PID 5000 wrote to memory of 2320	5000	cmd.exe	PING.EXE
PID 2880 wrote to memory of 4776	2880	svchost.exe	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
PID 2880 wrote to memory of 4776	2880	svchost.exe	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
PID 2880 wrote to memory of 4776	2880	svchost.exe	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

C:\Users\Admin\AppData\Local\Temp\7b0e4f2cfe4934f00c4a2e70be428c6fa56d6f92057af02517b29aa924d211b5.exe
"C:\Users\Admin\AppData\Local\Temp\7b0e4f2cfe4934f00c4a2e70be428c6fa56d6f92057af02517b29aa924d211b5.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3436

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:1672

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:5000

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:2320

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:3504

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3152

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:1808

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
PID:2468

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:2880

C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\240667140.txt",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:4776

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=1280,i,4226873509039249198,15952596839998010243,262144 --variations-seed-version --mojo-platform-channel-handle=3856 /prefetch:8
1⤵
PID:2816

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
1.6MB

MD5
8e0dcf18e8a49a6328dd79850f67e235

SHA1
d1dde808c2392bf00941207d6bc6a3d0f15e9113

SHA256
7b0e4f2cfe4934f00c4a2e70be428c6fa56d6f92057af02517b29aa924d211b5

SHA512
f00b2c50e038f640bd5e988dc8c10bb6c4a6179687374eed3c395727d7d11edd690ba68805499636aeb819877c62ee8c59ab3785699ad5f23f927d8a9730bd94

Download Submit
C:\Users\Admin\AppData\Local\Temp\RCXEC16.tmp
Filesize
1.4MB

MD5
ceb7efecb8a9aa2aab63e0a653033e0b

SHA1
7bebcf2f0caef2a69f72b81dd3785b3dc33c9dca

SHA256
ccb366666b7b48f510dd5554a8b4d7e606db9e51edd71d87897233f33931a7b3

SHA512
58976c5e837ce1a8eef21ac4338b58e16ab928876ed680bff24a84cb94abb57a2d6b9ea0deb57c0eb09f3f5e8d7d9d71676b703d6a0218389f1666c2959fbf08

Download Submit
C:\Users\Admin\AppData\Local\Temp\X.ico
Filesize
69KB

MD5
e33fb6d686b1a8b171349572c5a33f67

SHA1
29f24fe536adf799b69b63c83efadc1bce457a54

SHA256
020c8e0963f89f4b14538b7d69e83c6fec44a29bbbd52fbb6deb2be5c697f450

SHA512
cf1f1d6a9efe53f84e5b4a8246b87c0b96496716605d1b00352d9aae30e664d3d2cbadebf598b4e690a9feef0b5785887a4e643cc5f68938ca744af1d3539e55

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\240667140.txt
Filesize
50KB

MD5
d44538cd541dec568ae9ba3ef12ca7e9

SHA1
4da43044965f3285625407a4eca7e3573b887b80

SHA256
d30b8a92f029fa1baaa7e7786b56e49a153b4adb153bf4029cbd1235159bd698

SHA512
504771ecf148fdfbfbc2874d90ec229a9a401ba51debe8902abd0696d0e50543c08f41840d92c871da7a0b0594910e049ae2427248b585b635a5d5869f4625ea

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

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/1672-10-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1672-6-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1672-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1672-4-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1808-32-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1808-31-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1808-36-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1808-43-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3152-16-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3152-15-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3152-13-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3152-19-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3152-41-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download