gh0strat | a90a617430ed9421424327419a2cb14dfdbf1e954575fb8f001cd568b3ad4b50

General

Target

a90a617430ed9421424327419a2cb14dfdbf1e954575fb8f001cd568b3ad4b50.exe
Size

2.1MB
MD5

a7922ed44492a611fc557282791c0755
SHA1

d21b8c4d034c3c75781ebd2c29598363d7232367
SHA256

a90a617430ed9421424327419a2cb14dfdbf1e954575fb8f001cd568b3ad4b50
SHA512

5dc435a991cdbe9c5ebd6e4c922afcc2868ae9d256367a9adaa541de718cafd7069ded18909825293ec2d4ecee1a89cadeab977b233517810b69830a6cd14e14
SSDEEP

49152:FQZAdVyVT9n/Gg0P+WhoJpegLpDd0qZPItx2apeapelI:eGdVyVT9nOgmhVypDdotUvlI

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 10 IoCs

Detect PurpleFox Rootkit.

rootkit

Processes:

resource	yara_rule
behavioral2/memory/980-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/980-6-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/980-10-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2640-15-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2640-27-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4112-44-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4112-58-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4112-39-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2640-16-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2640-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 11 IoCs

Processes:

resource	yara_rule
behavioral2/memory/980-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/980-6-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/980-10-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2640-15-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2640-27-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4112-44-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4112-58-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4112-39-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
C:\Windows\SysWOW64\240618609.txt	family_gh0strat
behavioral2/memory/2640-16-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2640-18-0x0000000010000000-0x00000000101B6000-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\\240618609.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 6 IoCs

Processes:

svchost.exeTXPlatforn.exesvchos.exeTXPlatforn.exeHD_a90a617430ed9421424327419a2cb14dfdbf1e954575fb8f001cd568b3ad4b50.exeÖ÷¶¯·ÀÓù·þÎñÄ£¿é.exe

pid	process
980	svchost.exe
2640	TXPlatforn.exe
4496	svchos.exe
4112	TXPlatforn.exe
3504	HD_a90a617430ed9421424327419a2cb14dfdbf1e954575fb8f001cd568b3ad4b50.exe
2148	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

Loads dropped DLL 3 IoCs

Processes:

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

pid process

4496 svchos.exe
408 svchost.exe
2148 Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

pid	process
4496	svchos.exe
408	svchost.exe
2148	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

UPX packed file 12 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/980-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/980-6-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/980-10-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/980-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2640-15-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2640-13-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2640-27-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4112-44-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4112-58-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4112-39-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2640-16-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2640-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

Processes:

svchos.exesvchost.exesvchost.exe

description	ioc	process
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
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\240618609.txt	svchos.exe

Drops file in Program Files directory 5 IoCs

Processes:

a90a617430ed9421424327419a2cb14dfdbf1e954575fb8f001cd568b3ad4b50.exe

description	ioc	process
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	a90a617430ed9421424327419a2cb14dfdbf1e954575fb8f001cd568b3ad4b50.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	a90a617430ed9421424327419a2cb14dfdbf1e954575fb8f001cd568b3ad4b50.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	a90a617430ed9421424327419a2cb14dfdbf1e954575fb8f001cd568b3ad4b50.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe	a90a617430ed9421424327419a2cb14dfdbf1e954575fb8f001cd568b3ad4b50.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	a90a617430ed9421424327419a2cb14dfdbf1e954575fb8f001cd568b3ad4b50.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

2188 PING.EXE

pid	process
2188	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

a90a617430ed9421424327419a2cb14dfdbf1e954575fb8f001cd568b3ad4b50.exe

pid	process
5004	a90a617430ed9421424327419a2cb14dfdbf1e954575fb8f001cd568b3ad4b50.exe
5004	a90a617430ed9421424327419a2cb14dfdbf1e954575fb8f001cd568b3ad4b50.exe

Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatforn.exe

pid process

4112 TXPlatforn.exe

pid	process
4112	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

svchost.exeTXPlatforn.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	980	svchost.exe
Token: SeLoadDriverPrivilege	4112	TXPlatforn.exe
Token: 33	4112	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	4112	TXPlatforn.exe
Token: 33	4112	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	4112	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

a90a617430ed9421424327419a2cb14dfdbf1e954575fb8f001cd568b3ad4b50.exe

pid	process
5004	a90a617430ed9421424327419a2cb14dfdbf1e954575fb8f001cd568b3ad4b50.exe
5004	a90a617430ed9421424327419a2cb14dfdbf1e954575fb8f001cd568b3ad4b50.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

a90a617430ed9421424327419a2cb14dfdbf1e954575fb8f001cd568b3ad4b50.exesvchost.exeTXPlatforn.execmd.exesvchost.exe

description	pid	process	target process
PID 5004 wrote to memory of 980	5004	a90a617430ed9421424327419a2cb14dfdbf1e954575fb8f001cd568b3ad4b50.exe	svchost.exe
PID 5004 wrote to memory of 980	5004	a90a617430ed9421424327419a2cb14dfdbf1e954575fb8f001cd568b3ad4b50.exe	svchost.exe
PID 5004 wrote to memory of 980	5004	a90a617430ed9421424327419a2cb14dfdbf1e954575fb8f001cd568b3ad4b50.exe	svchost.exe
PID 980 wrote to memory of 4016	980	svchost.exe	cmd.exe
PID 980 wrote to memory of 4016	980	svchost.exe	cmd.exe
PID 980 wrote to memory of 4016	980	svchost.exe	cmd.exe
PID 5004 wrote to memory of 4496	5004	a90a617430ed9421424327419a2cb14dfdbf1e954575fb8f001cd568b3ad4b50.exe	svchos.exe
PID 5004 wrote to memory of 4496	5004	a90a617430ed9421424327419a2cb14dfdbf1e954575fb8f001cd568b3ad4b50.exe	svchos.exe
PID 5004 wrote to memory of 4496	5004	a90a617430ed9421424327419a2cb14dfdbf1e954575fb8f001cd568b3ad4b50.exe	svchos.exe
PID 2640 wrote to memory of 4112	2640	TXPlatforn.exe	TXPlatforn.exe
PID 2640 wrote to memory of 4112	2640	TXPlatforn.exe	TXPlatforn.exe
PID 2640 wrote to memory of 4112	2640	TXPlatforn.exe	TXPlatforn.exe
PID 4016 wrote to memory of 2188	4016	cmd.exe	PING.EXE
PID 4016 wrote to memory of 2188	4016	cmd.exe	PING.EXE
PID 4016 wrote to memory of 2188	4016	cmd.exe	PING.EXE
PID 408 wrote to memory of 2148	408	svchost.exe	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
PID 408 wrote to memory of 2148	408	svchost.exe	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
PID 408 wrote to memory of 2148	408	svchost.exe	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

C:\Users\Admin\AppData\Local\Temp\a90a617430ed9421424327419a2cb14dfdbf1e954575fb8f001cd568b3ad4b50.exe
"C:\Users\Admin\AppData\Local\Temp\a90a617430ed9421424327419a2cb14dfdbf1e954575fb8f001cd568b3ad4b50.exe"
1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5004

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:980

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:4016

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:2188

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:4496

C:\Users\Admin\AppData\Local\Temp\HD_a90a617430ed9421424327419a2cb14dfdbf1e954575fb8f001cd568b3ad4b50.exe
C:\Users\Admin\AppData\Local\Temp\HD_a90a617430ed9421424327419a2cb14dfdbf1e954575fb8f001cd568b3ad4b50.exe
2⤵
- Executes dropped EXE
PID:3504

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2640

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:4112

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
PID:5040

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:408

C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\240618609.txt",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:2148

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
1.5MB

MD5
cc5ddc0cf7899435c7271113375148ee

SHA1
f4d07d66dd08800a291867f4839009cf6072cc38

SHA256
9b84aac69a84968bba9fd4fd27f020de6b83f5a2217721a013bc1555cd1527e0

SHA512
3c7a2fa41d679198769c663eb43c1e959958fa763190f8b409e9a9125f010c0399b97c78197fb042e1619b46c4659315927becf3440aa9205ab9ee23319d6eaf

Download Submit
C:\Users\Admin\AppData\Local\Temp\HD_a90a617430ed9421424327419a2cb14dfdbf1e954575fb8f001cd568b3ad4b50.exe

Filesize
645KB

MD5
00eae789b0aab1b0fbd23b830fbf1064

SHA1
e4e5fd089f6ae17c83f073cf91edc9db8189980d

SHA256
7addb2269266ac471a690802cab54539b40c2ae5b31e2120fdcf8dfb0ed15dc7

SHA512
23a0e06b39f8b5a932ae5b8f60704ba265332b341ac8bab5b74b2f31f04ce8c7fe6f77278d70c7685cfa894ab0e25a70d89990f5f643b54c07337f90fa5943fb

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\240618609.txt

Filesize
50KB

MD5
68f09aeb498e98ee315439eb95be482c

SHA1
2f2fc0addf71579244af5304ca4d0a414e98d3d6

SHA256
40cdb678a56a7a8a78a062e055530e26c1e008c33ffbdd38c5ca2284bd1aa434

SHA512
6972229320a528d42d9dfc4f05ea1e59b62e87f4193f237a2333676e913dd2a4f1573008c6d725dc51fd826d3b91ec3f8fe506758c222aab9f020c06e7772d16

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

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/980-5-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/980-10-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/980-6-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/980-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2640-13-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2640-27-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2640-15-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2640-16-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2640-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4112-44-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4112-58-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4112-39-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads