gh0strat | b717dd31853dabcfcb246361053455cd145c67afad289ce8e452a51af300556a

General

Target

b717dd31853dabcfcb246361053455cd145c67afad289ce8e452a51af300556a.exe
Size

5.1MB
MD5

540732518a519ee0d29afd37a1615d16
SHA1

e8cd9cfc0ba22dd0f12e6dbdf6f3a04b05f21c24
SHA256

b717dd31853dabcfcb246361053455cd145c67afad289ce8e452a51af300556a
SHA512

ebd91564f5c01c577671f6e64367c699ac588b74395db70118d35551e4745a3f192dfe577bcba586cfb76b6d9506fcf284fdb96df192445cd7009d7669718402
SSDEEP

98304:Cws2ANnKXOaeOgmhCLUAWfr71rZ7ae4GPrmOVz4ppzpfvyQnCOGQz7DTGrzkSZOI:YKXbeO7w831r74kmOVUppzNvyQnCOGQa

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 7 IoCs

Detect PurpleFox Rootkit.

rootkit

Processes:

resource	yara_rule
behavioral2/memory/3704-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3704-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3704-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4996-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4996-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1504-40-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1504-45-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 8 IoCs

Processes:

resource	yara_rule
C:\Windows\SysWOW64\240603609.txt	family_gh0strat
behavioral2/memory/3704-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3704-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3704-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4996-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4996-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1504-40-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1504-45-0x0000000010000000-0x00000000101B6000-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:

TXPlatfor.exe

description ioc process

File created C:\Windows\system32\drivers\QAssist.sys TXPlatfor.exe

description	ioc	process
File created	C:\Windows\system32\drivers\QAssist.sys	TXPlatfor.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:

R.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Remote Data\Parameters\ServiceDll = "C:\\Windows\\system32\\240603609.txt"	R.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

TXPlatfor.exe

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

Executes dropped EXE 6 IoCs

Processes:

R.exeN.exeTXPlatfor.exeTXPlatfor.exeHD_b717dd31853dabcfcb246361053455cd145c67afad289ce8e452a51af300556a.exeRemote Data.exe

pid	process
4340	R.exe
3704	N.exe
4996	TXPlatfor.exe
1504	TXPlatfor.exe
4624	HD_b717dd31853dabcfcb246361053455cd145c67afad289ce8e452a51af300556a.exe
3004	Remote Data.exe

Loads dropped DLL 3 IoCs

Processes:

R.exesvchost.exeRemote Data.exe

pid process

4340 R.exe
1928 svchost.exe
3004 Remote Data.exe

UPX packed file 9 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/3704-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3704-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3704-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3704-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4996-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4996-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4996-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1504-40-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1504-45-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

Processes:

svchost.exeN.exeR.exe

description	ioc	process
File created	C:\Windows\SysWOW64\Remote Data.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\Remote Data.exe	svchost.exe
File created	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe
File opened for modification	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe
File created	C:\Windows\SysWOW64\240603609.txt	R.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	R.exe

Drops file in Program Files directory 1 IoCs

Processes:

b717dd31853dabcfcb246361053455cd145c67afad289ce8e452a51af300556a.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	b717dd31853dabcfcb246361053455cd145c67afad289ce8e452a51af300556a.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

1296 PING.EXE

pid	process
1296	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

b717dd31853dabcfcb246361053455cd145c67afad289ce8e452a51af300556a.exe

pid	process
1804	b717dd31853dabcfcb246361053455cd145c67afad289ce8e452a51af300556a.exe
1804	b717dd31853dabcfcb246361053455cd145c67afad289ce8e452a51af300556a.exe

Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatfor.exe

pid process

1504 TXPlatfor.exe

pid	process
1504	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

N.exeTXPlatfor.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3704	N.exe
Token: SeLoadDriverPrivilege	1504	TXPlatfor.exe
Token: 33	1504	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	1504	TXPlatfor.exe
Token: 33	1504	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	1504	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

b717dd31853dabcfcb246361053455cd145c67afad289ce8e452a51af300556a.exeHD_b717dd31853dabcfcb246361053455cd145c67afad289ce8e452a51af300556a.exe

pid	process
1804	b717dd31853dabcfcb246361053455cd145c67afad289ce8e452a51af300556a.exe
1804	b717dd31853dabcfcb246361053455cd145c67afad289ce8e452a51af300556a.exe
4624	HD_b717dd31853dabcfcb246361053455cd145c67afad289ce8e452a51af300556a.exe
4624	HD_b717dd31853dabcfcb246361053455cd145c67afad289ce8e452a51af300556a.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

b717dd31853dabcfcb246361053455cd145c67afad289ce8e452a51af300556a.exeN.exeTXPlatfor.execmd.exesvchost.exe

description	pid	process	target process
PID 1804 wrote to memory of 4340	1804	b717dd31853dabcfcb246361053455cd145c67afad289ce8e452a51af300556a.exe	R.exe
PID 1804 wrote to memory of 4340	1804	b717dd31853dabcfcb246361053455cd145c67afad289ce8e452a51af300556a.exe	R.exe
PID 1804 wrote to memory of 4340	1804	b717dd31853dabcfcb246361053455cd145c67afad289ce8e452a51af300556a.exe	R.exe
PID 1804 wrote to memory of 3704	1804	b717dd31853dabcfcb246361053455cd145c67afad289ce8e452a51af300556a.exe	N.exe
PID 1804 wrote to memory of 3704	1804	b717dd31853dabcfcb246361053455cd145c67afad289ce8e452a51af300556a.exe	N.exe
PID 1804 wrote to memory of 3704	1804	b717dd31853dabcfcb246361053455cd145c67afad289ce8e452a51af300556a.exe	N.exe
PID 3704 wrote to memory of 1800	3704	N.exe	cmd.exe
PID 3704 wrote to memory of 1800	3704	N.exe	cmd.exe
PID 3704 wrote to memory of 1800	3704	N.exe	cmd.exe
PID 4996 wrote to memory of 1504	4996	TXPlatfor.exe	TXPlatfor.exe
PID 4996 wrote to memory of 1504	4996	TXPlatfor.exe	TXPlatfor.exe
PID 4996 wrote to memory of 1504	4996	TXPlatfor.exe	TXPlatfor.exe
PID 1804 wrote to memory of 4624	1804	b717dd31853dabcfcb246361053455cd145c67afad289ce8e452a51af300556a.exe	HD_b717dd31853dabcfcb246361053455cd145c67afad289ce8e452a51af300556a.exe
PID 1804 wrote to memory of 4624	1804	b717dd31853dabcfcb246361053455cd145c67afad289ce8e452a51af300556a.exe	HD_b717dd31853dabcfcb246361053455cd145c67afad289ce8e452a51af300556a.exe
PID 1804 wrote to memory of 4624	1804	b717dd31853dabcfcb246361053455cd145c67afad289ce8e452a51af300556a.exe	HD_b717dd31853dabcfcb246361053455cd145c67afad289ce8e452a51af300556a.exe
PID 1800 wrote to memory of 1296	1800	cmd.exe	PING.EXE
PID 1800 wrote to memory of 1296	1800	cmd.exe	PING.EXE
PID 1800 wrote to memory of 1296	1800	cmd.exe	PING.EXE
PID 1928 wrote to memory of 3004	1928	svchost.exe	Remote Data.exe
PID 1928 wrote to memory of 3004	1928	svchost.exe	Remote Data.exe
PID 1928 wrote to memory of 3004	1928	svchost.exe	Remote Data.exe

C:\Users\Admin\AppData\Local\Temp\b717dd31853dabcfcb246361053455cd145c67afad289ce8e452a51af300556a.exe
"C:\Users\Admin\AppData\Local\Temp\b717dd31853dabcfcb246361053455cd145c67afad289ce8e452a51af300556a.exe"
1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1804

C:\Users\Admin\AppData\Local\Temp\R.exe
C:\Users\Admin\AppData\Local\Temp\\R.exe
2⤵
- Sets DLL path for service in the registry
- Executes dropped EXE
- Loads dropped DLL
- Drops file in System32 directory
PID:4340

C:\Users\Admin\AppData\Local\Temp\N.exe
C:\Users\Admin\AppData\Local\Temp\\N.exe
2⤵
- Executes dropped EXE
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3704

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\N.exe > nul
3⤵
- Suspicious use of WriteProcessMemory
PID:1800

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:1296

C:\Users\Admin\AppData\Local\Temp\HD_b717dd31853dabcfcb246361053455cd145c67afad289ce8e452a51af300556a.exe
C:\Users\Admin\AppData\Local\Temp\HD_b717dd31853dabcfcb246361053455cd145c67afad289ce8e452a51af300556a.exe
2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:4624

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:1784

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:1928

C:\Windows\SysWOW64\Remote Data.exe
"C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240603609.txt",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:3004

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4996

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.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:1504

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

Loading Replay Monitor...

Downloads

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

Filesize
2.3MB

MD5
47c2471d0ccfa1c3662a728b6db1a023

SHA1
32b45ffac38861f78c12e6ec79d647513e365401

SHA256
1a2b55b6c0f145da22051e05dd42821d56a8d10f5a96d2c8938792c29c26f347

SHA512
361a345ba99b193932677c7afcd40b857adbc48f6891af6941fa59ee3aabc4b6f7d3b44b37e133600f93d28168b0cf0ca4bf987163fec03f5577ec71c4c9475e

Download Submit
C:\Users\Admin\AppData\Local\Temp\HD_b717dd31853dabcfcb246361053455cd145c67afad289ce8e452a51af300556a.exe

Filesize
2.8MB

MD5
2cf8f9b0f7903f68dc6822f2f22bdeec

SHA1
f3ae2871d853191e487bb8164b50d0307da64405

SHA256
82f07450900fa2f1f27426d05d22350ae9aef5097ac4a73c1633ec8a8bed2038

SHA512
59517e1416003d6e277bef96029709c40e951cf32808f43c9e0158b09817ba2591c6c4f5eb8fc9117ee343907b80d28799e64db1d7baf10f099d2e8d53c81108

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

Filesize
377KB

MD5
4a36a48e58829c22381572b2040b6fe0

SHA1
f09d30e44ff7e3f20a5de307720f3ad148c6143b

SHA256
3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

SHA512
5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

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

Filesize
941KB

MD5
8dc3adf1c490211971c1e2325f1424d2

SHA1
4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

SHA256
bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

SHA512
ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

Download Submit
C:\Windows\SysWOW64\240603609.txt

Filesize
899KB

MD5
b6c2012c80ea302ef781eaed497b2e6a

SHA1
8a25c2fdd2aa3800e3ef29d456b8b923d2baf0f5

SHA256
8b8bf8ac6430185067bc8d721a7c90c335b2b6419fded721f1e8ef3220327241

SHA512
c3b61a2da1d85c3eb9148e37799e829fb099314d8e75ec0a3a803832a79a915b6d08ae2bd52befd556d11c6dae4a3a574707f83a60282ce994d91b5c2fd34274

Download Submit
C:\Windows\SysWOW64\Remote Data.exe

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/1504-45-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1504-40-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3704-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3704-23-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3704-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3704-19-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4996-26-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4996-29-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4996-28-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads