gh0strat | b3cc383cc7e81643adcbfd130137eb29ba2250076489b75e320903b8e199999a

General

Target

b3cc383cc7e81643adcbfd130137eb29ba2250076489b75e320903b8e199999a.exe
Size

1.5MB
MD5

264d325103b5ee59469efad64ae42a3f
SHA1

97c22fafc80983e0914a3b965d76e4da4715da77
SHA256

b3cc383cc7e81643adcbfd130137eb29ba2250076489b75e320903b8e199999a
SHA512

e4b613540831005c2791f88123cf1a7e3794cd28c73bbf645cb0203f50b2795b04bd5185bc7f9835fdb4566dd73418df93c9a4b401e3c5da9111f59afcbc2ec8
SSDEEP

24576:ZQZoidOTdVZinacCET9Ecl1erdg0MCiVWhFU7cVewpep3M4Y+WN5mmT7K/:ZQZAdVyVT9n/Gg0P+WhokpepMvfK/

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/1496-6-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1496-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1496-10-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1852-17-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1852-16-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1852-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4580-32-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4580-35-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4580-46-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 10 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1496-6-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1496-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1496-10-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1852-17-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1852-16-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1852-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
C:\Windows\SysWOW64\240601218.txt	family_gh0strat
behavioral2/memory/4580-32-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4580-35-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4580-46-0x0000000010000000-0x00000000101B6000-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\\240601218.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

1496 svchost.exe
1852 TXPlatforn.exe
4264 svchos.exe
4580 TXPlatforn.exe
396 Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
Loads dropped DLL 3 IoCs

Processes:

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

pid process

4264 svchos.exe
3656 svchost.exe
396 Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

pid	process
1496	svchost.exe
1852	TXPlatforn.exe
4264	svchos.exe
4580	TXPlatforn.exe
396	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

pid	process
4264	svchos.exe
3656	svchost.exe
396	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

UPX packed file 11 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/1496-6-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1496-4-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1496-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1496-10-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1852-13-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1852-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1852-16-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1852-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4580-32-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4580-35-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4580-46-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

Processes:

svchost.exesvchost.exesvchos.exe

description	ioc	process
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
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\240601218.txt	svchos.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	svchos.exe

Drops file in Program Files directory 5 IoCs

Processes:

b3cc383cc7e81643adcbfd130137eb29ba2250076489b75e320903b8e199999a.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	b3cc383cc7e81643adcbfd130137eb29ba2250076489b75e320903b8e199999a.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe	b3cc383cc7e81643adcbfd130137eb29ba2250076489b75e320903b8e199999a.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	b3cc383cc7e81643adcbfd130137eb29ba2250076489b75e320903b8e199999a.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	b3cc383cc7e81643adcbfd130137eb29ba2250076489b75e320903b8e199999a.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	b3cc383cc7e81643adcbfd130137eb29ba2250076489b75e320903b8e199999a.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

3220 PING.EXE
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatforn.exe

pid process

4580 TXPlatforn.exe

pid	process
3220	PING.EXE

pid	process
4580	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

svchost.exeTXPlatforn.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1496	svchost.exe
Token: SeLoadDriverPrivilege	4580	TXPlatforn.exe
Token: 33	4580	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	4580	TXPlatforn.exe
Token: 33	4580	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	4580	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

b3cc383cc7e81643adcbfd130137eb29ba2250076489b75e320903b8e199999a.exe

pid	process
5044	b3cc383cc7e81643adcbfd130137eb29ba2250076489b75e320903b8e199999a.exe
5044	b3cc383cc7e81643adcbfd130137eb29ba2250076489b75e320903b8e199999a.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

b3cc383cc7e81643adcbfd130137eb29ba2250076489b75e320903b8e199999a.exesvchost.exeTXPlatforn.execmd.exesvchost.exe

description	pid	process	target process
PID 5044 wrote to memory of 1496	5044	b3cc383cc7e81643adcbfd130137eb29ba2250076489b75e320903b8e199999a.exe	svchost.exe
PID 5044 wrote to memory of 1496	5044	b3cc383cc7e81643adcbfd130137eb29ba2250076489b75e320903b8e199999a.exe	svchost.exe
PID 5044 wrote to memory of 1496	5044	b3cc383cc7e81643adcbfd130137eb29ba2250076489b75e320903b8e199999a.exe	svchost.exe
PID 1496 wrote to memory of 2776	1496	svchost.exe	cmd.exe
PID 1496 wrote to memory of 2776	1496	svchost.exe	cmd.exe
PID 1496 wrote to memory of 2776	1496	svchost.exe	cmd.exe
PID 5044 wrote to memory of 4264	5044	b3cc383cc7e81643adcbfd130137eb29ba2250076489b75e320903b8e199999a.exe	svchos.exe
PID 5044 wrote to memory of 4264	5044	b3cc383cc7e81643adcbfd130137eb29ba2250076489b75e320903b8e199999a.exe	svchos.exe
PID 5044 wrote to memory of 4264	5044	b3cc383cc7e81643adcbfd130137eb29ba2250076489b75e320903b8e199999a.exe	svchos.exe
PID 1852 wrote to memory of 4580	1852	TXPlatforn.exe	TXPlatforn.exe
PID 1852 wrote to memory of 4580	1852	TXPlatforn.exe	TXPlatforn.exe
PID 1852 wrote to memory of 4580	1852	TXPlatforn.exe	TXPlatforn.exe
PID 2776 wrote to memory of 3220	2776	cmd.exe	PING.EXE
PID 2776 wrote to memory of 3220	2776	cmd.exe	PING.EXE
PID 2776 wrote to memory of 3220	2776	cmd.exe	PING.EXE
PID 3656 wrote to memory of 396	3656	svchost.exe	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
PID 3656 wrote to memory of 396	3656	svchost.exe	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
PID 3656 wrote to memory of 396	3656	svchost.exe	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

C:\Users\Admin\AppData\Local\Temp\b3cc383cc7e81643adcbfd130137eb29ba2250076489b75e320903b8e199999a.exe
"C:\Users\Admin\AppData\Local\Temp\b3cc383cc7e81643adcbfd130137eb29ba2250076489b75e320903b8e199999a.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5044

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:1496

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:2776

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:3220

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:4264

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1852

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:4580

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
PID:3100

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:3656

C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\240601218.txt",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:396

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\HD_X.dat

Filesize
1.5MB

MD5
264d325103b5ee59469efad64ae42a3f

SHA1
97c22fafc80983e0914a3b965d76e4da4715da77

SHA256
b3cc383cc7e81643adcbfd130137eb29ba2250076489b75e320903b8e199999a

SHA512
e4b613540831005c2791f88123cf1a7e3794cd28c73bbf645cb0203f50b2795b04bd5185bc7f9835fdb4566dd73418df93c9a4b401e3c5da9111f59afcbc2ec8

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\240601218.txt

Filesize
50KB

MD5
c6b69ed9c157b2424ef400f168a6e1d6

SHA1
910da6a4239a6dda755eb19e6f6ff2d739d01589

SHA256
5abd290cbdd00d1c18303c648513249516ac983af73b6d878703f5bdc6429028

SHA512
e8a98350dd12571e9077bb8a39efe4d6d4b041b4031242568baa1feea8c57812692c7b1c52de37dfb09053433601288f0cfa216cb04bff46f1f4b83a09867900

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

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/1496-6-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1496-4-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1496-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1496-10-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1852-29-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1852-16-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1852-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1852-13-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4580-32-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4580-35-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4580-46-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads