gh0strat | 855693275cf608235e20d60b32e544886f139f48416b16e8bcf51584a2385c3d

General

Target

855693275cf608235e20d60b32e544886f139f48416b16e8bcf51584a2385c3d.exe
Size

1.4MB
MD5

25e461589f2d348f65a68bc513f06845
SHA1

1ca4ef7d5cc633f40ddaed20312c43bb85824230
SHA256

855693275cf608235e20d60b32e544886f139f48416b16e8bcf51584a2385c3d
SHA512

5d34b0834754428674546be0e2c3217510cb28bce06c030c410de9bda1d15b638459f331115bcd43d121c101a533d433b8f48f2582bfcfe3621104b8c5f768ba
SSDEEP

24576:6QZoidOTdVZinacCET9Ecl1erdg0MCiVWhFU7cV2wpem8:6QZAdVyVT9n/Gg0P+Who4pez

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 12 IoCs

Detect PurpleFox Rootkit.

rootkit

Processes:

resource	yara_rule
behavioral2/memory/3472-6-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3472-8-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3472-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1712-17-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1712-16-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1712-15-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3472-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1712-27-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4320-33-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4320-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4320-26-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4320-35-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 13 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3472-6-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3472-8-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3472-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1712-17-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1712-16-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1712-15-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3472-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1712-27-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4320-33-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4320-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4320-26-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4320-35-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
C:\Windows\SysWOW64\240657531.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:

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\\240657531.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

3472 svchost.exe
1712 TXPlatforn.exe
4320 TXPlatforn.exe
4536 svchos.exe
1944 Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
Loads dropped DLL 3 IoCs

Processes:

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

pid process

4536 svchos.exe
3424 svchost.exe
1944 Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

pid	process
3472	svchost.exe
1712	TXPlatforn.exe
4320	TXPlatforn.exe
4536	svchos.exe
1944	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

pid	process
4536	svchos.exe
3424	svchost.exe
1944	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

UPX packed file 14 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/3472-4-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3472-6-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3472-8-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3472-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1712-13-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1712-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1712-16-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1712-15-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3472-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1712-27-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4320-33-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4320-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4320-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4320-35-0x0000000010000000-0x00000000101B6000-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\240657531.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:

855693275cf608235e20d60b32e544886f139f48416b16e8bcf51584a2385c3d.exe

description	ioc	process
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	855693275cf608235e20d60b32e544886f139f48416b16e8bcf51584a2385c3d.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	855693275cf608235e20d60b32e544886f139f48416b16e8bcf51584a2385c3d.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	855693275cf608235e20d60b32e544886f139f48416b16e8bcf51584a2385c3d.exe
File created	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	855693275cf608235e20d60b32e544886f139f48416b16e8bcf51584a2385c3d.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe	855693275cf608235e20d60b32e544886f139f48416b16e8bcf51584a2385c3d.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

232 PING.EXE
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatforn.exe

pid process

4320 TXPlatforn.exe

pid	process
232	PING.EXE

pid	process
4320	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

svchost.exeTXPlatforn.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3472	svchost.exe
Token: SeLoadDriverPrivilege	4320	TXPlatforn.exe
Token: 33	4320	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	4320	TXPlatforn.exe
Token: 33	4320	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	4320	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

855693275cf608235e20d60b32e544886f139f48416b16e8bcf51584a2385c3d.exe

pid	process
4764	855693275cf608235e20d60b32e544886f139f48416b16e8bcf51584a2385c3d.exe
4764	855693275cf608235e20d60b32e544886f139f48416b16e8bcf51584a2385c3d.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

855693275cf608235e20d60b32e544886f139f48416b16e8bcf51584a2385c3d.exesvchost.exeTXPlatforn.execmd.exesvchost.exe

description	pid	process	target process
PID 4764 wrote to memory of 3472	4764	855693275cf608235e20d60b32e544886f139f48416b16e8bcf51584a2385c3d.exe	svchost.exe
PID 4764 wrote to memory of 3472	4764	855693275cf608235e20d60b32e544886f139f48416b16e8bcf51584a2385c3d.exe	svchost.exe
PID 4764 wrote to memory of 3472	4764	855693275cf608235e20d60b32e544886f139f48416b16e8bcf51584a2385c3d.exe	svchost.exe
PID 3472 wrote to memory of 4800	3472	svchost.exe	cmd.exe
PID 3472 wrote to memory of 4800	3472	svchost.exe	cmd.exe
PID 3472 wrote to memory of 4800	3472	svchost.exe	cmd.exe
PID 1712 wrote to memory of 4320	1712	TXPlatforn.exe	TXPlatforn.exe
PID 1712 wrote to memory of 4320	1712	TXPlatforn.exe	TXPlatforn.exe
PID 1712 wrote to memory of 4320	1712	TXPlatforn.exe	TXPlatforn.exe
PID 4764 wrote to memory of 4536	4764	855693275cf608235e20d60b32e544886f139f48416b16e8bcf51584a2385c3d.exe	svchos.exe
PID 4764 wrote to memory of 4536	4764	855693275cf608235e20d60b32e544886f139f48416b16e8bcf51584a2385c3d.exe	svchos.exe
PID 4764 wrote to memory of 4536	4764	855693275cf608235e20d60b32e544886f139f48416b16e8bcf51584a2385c3d.exe	svchos.exe
PID 4800 wrote to memory of 232	4800	cmd.exe	PING.EXE
PID 4800 wrote to memory of 232	4800	cmd.exe	PING.EXE
PID 4800 wrote to memory of 232	4800	cmd.exe	PING.EXE
PID 3424 wrote to memory of 1944	3424	svchost.exe	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
PID 3424 wrote to memory of 1944	3424	svchost.exe	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
PID 3424 wrote to memory of 1944	3424	svchost.exe	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

C:\Users\Admin\AppData\Local\Temp\855693275cf608235e20d60b32e544886f139f48416b16e8bcf51584a2385c3d.exe
"C:\Users\Admin\AppData\Local\Temp\855693275cf608235e20d60b32e544886f139f48416b16e8bcf51584a2385c3d.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4764

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:3472

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:4800

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:232

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:4536

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1712

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:4320

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
PID:3828

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:3424

C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\240657531.txt",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:1944

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 --no-appcompat-clear --mojo-platform-channel-handle=4160 --field-trial-handle=3084,i,4016110471176367543,14287608422419064331,262144 --variations-seed-version /prefetch:8
1⤵
PID:2076

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

Remote System Discovery

1

T1018

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\HD_X.dat
Filesize
1.4MB

MD5
25e461589f2d348f65a68bc513f06845

SHA1
1ca4ef7d5cc633f40ddaed20312c43bb85824230

SHA256
855693275cf608235e20d60b32e544886f139f48416b16e8bcf51584a2385c3d

SHA512
5d34b0834754428674546be0e2c3217510cb28bce06c030c410de9bda1d15b638459f331115bcd43d121c101a533d433b8f48f2582bfcfe3621104b8c5f768ba

Download Submit
C:\Users\Admin\AppData\Local\Temp\HD_X.dat
Filesize
1.4MB

MD5
5d8b8d5459d9cffa3c32e81823b3971d

SHA1
efd58b3e745d53406a06809e09b1acc9e11c1ec4

SHA256
38fd18e6dc9869b6d7f9ab650bea1dab98d4df9809f1a05862da76771d80731e

SHA512
bcaf213ec3ffef5eb68b12f9902559e12f5b66d41ad3348b9d24f31f63ff1db903961fdf3fbae54bb7e2022e650ff2428e19bf364071e7554b69154cd366947a

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\240657531.txt
Filesize
50KB

MD5
1d823a23a85f366fba688129b65ecace

SHA1
9da5ce81dbed00853081ac8cc1fe12757d11e780

SHA256
0979ae381158dded9fc81e0112db711bbd6d83144790122b99982ac6a7ecda4d

SHA512
8307882fd58127eca1df1a9ecb9d4daa6201856732b83ef967d163b1be615d77e7ec0ccaa1442a76b9d0e3148e60e1100fed5ace4a9c2ccbde7acd18b09bb09e

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

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/1712-27-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1712-13-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1712-15-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1712-16-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1712-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3472-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3472-23-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3472-8-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3472-6-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3472-4-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4320-29-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4320-26-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4320-35-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4320-33-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads