gh0strat | 8d998335142e24c6ed34589c89a3a16e929fc5565f1aa4bffa80cfc8b8cdd27f

General

Target

8d998335142e24c6ed34589c89a3a16e929fc5565f1aa4bffa80cfc8b8cdd27f.exe
Size

2.9MB
MD5

560608490ae299c8ff492ffe5f686d5b
SHA1

d3d09b537fe7417341a98b77e4ec6a4613387ee4
SHA256

8d998335142e24c6ed34589c89a3a16e929fc5565f1aa4bffa80cfc8b8cdd27f
SHA512

2ff59fbf5c860a2eb0bda7f7f9663e38e17187649a4ebf309153181fad12156e02862bbe283583c93fb488a17a0b6b792d382d7231fc79a92b89db72c9d00dd9
SSDEEP

49152:jCwsbCANnKXferL7Vwe/Gg0P+Wh6sfmn2Jopj+619:2ws2ANnKXOaeOgmh6sfmn2Joj

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 8 IoCs

Detect PurpleFox Rootkit.

rootkit

Processes:

resource	yara_rule
behavioral2/memory/4188-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4188-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4188-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2588-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2588-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4896-39-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4896-45-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4896-47-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

Processes:

resource	yara_rule
C:\Windows\SysWOW64\240594515.txt	family_gh0strat
behavioral2/memory/4188-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4188-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4188-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2588-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2588-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4896-39-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4896-45-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4896-47-0x0000000010000000-0x00000000101B6000-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\\240594515.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_8d998335142e24c6ed34589c89a3a16e929fc5565f1aa4bffa80cfc8b8cdd27f.exeRemote Data.exe

pid	process
880	R.exe
4188	N.exe
2588	TXPlatfor.exe
4896	TXPlatfor.exe
704	HD_8d998335142e24c6ed34589c89a3a16e929fc5565f1aa4bffa80cfc8b8cdd27f.exe
1408	Remote Data.exe

Loads dropped DLL 3 IoCs

Processes:

R.exesvchost.exeRemote Data.exe

pid process

880 R.exe
972 svchost.exe
1408 Remote Data.exe

UPX packed file 10 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/4188-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4188-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4188-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4188-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2588-27-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2588-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2588-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4896-39-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4896-45-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4896-47-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

Processes:

N.exeR.exesvchost.exe

description	ioc	process
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\240594515.txt	R.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	R.exe
File created	C:\Windows\SysWOW64\Remote Data.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\Remote Data.exe	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1648 PING.EXE

pid	process
1648	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

8d998335142e24c6ed34589c89a3a16e929fc5565f1aa4bffa80cfc8b8cdd27f.exe

pid	process
1564	8d998335142e24c6ed34589c89a3a16e929fc5565f1aa4bffa80cfc8b8cdd27f.exe
1564	8d998335142e24c6ed34589c89a3a16e929fc5565f1aa4bffa80cfc8b8cdd27f.exe

Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatfor.exe

pid process

4896 TXPlatfor.exe

pid	process
4896	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

N.exeTXPlatfor.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	4188	N.exe
Token: SeLoadDriverPrivilege	4896	TXPlatfor.exe
Token: 33	4896	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	4896	TXPlatfor.exe
Token: 33	4896	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	4896	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

8d998335142e24c6ed34589c89a3a16e929fc5565f1aa4bffa80cfc8b8cdd27f.exe

pid	process
1564	8d998335142e24c6ed34589c89a3a16e929fc5565f1aa4bffa80cfc8b8cdd27f.exe
1564	8d998335142e24c6ed34589c89a3a16e929fc5565f1aa4bffa80cfc8b8cdd27f.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

8d998335142e24c6ed34589c89a3a16e929fc5565f1aa4bffa80cfc8b8cdd27f.exeN.exeTXPlatfor.execmd.exesvchost.exe

description	pid	process	target process
PID 1564 wrote to memory of 880	1564	8d998335142e24c6ed34589c89a3a16e929fc5565f1aa4bffa80cfc8b8cdd27f.exe	R.exe
PID 1564 wrote to memory of 880	1564	8d998335142e24c6ed34589c89a3a16e929fc5565f1aa4bffa80cfc8b8cdd27f.exe	R.exe
PID 1564 wrote to memory of 880	1564	8d998335142e24c6ed34589c89a3a16e929fc5565f1aa4bffa80cfc8b8cdd27f.exe	R.exe
PID 1564 wrote to memory of 4188	1564	8d998335142e24c6ed34589c89a3a16e929fc5565f1aa4bffa80cfc8b8cdd27f.exe	N.exe
PID 1564 wrote to memory of 4188	1564	8d998335142e24c6ed34589c89a3a16e929fc5565f1aa4bffa80cfc8b8cdd27f.exe	N.exe
PID 1564 wrote to memory of 4188	1564	8d998335142e24c6ed34589c89a3a16e929fc5565f1aa4bffa80cfc8b8cdd27f.exe	N.exe
PID 4188 wrote to memory of 4912	4188	N.exe	cmd.exe
PID 4188 wrote to memory of 4912	4188	N.exe	cmd.exe
PID 4188 wrote to memory of 4912	4188	N.exe	cmd.exe
PID 2588 wrote to memory of 4896	2588	TXPlatfor.exe	TXPlatfor.exe
PID 2588 wrote to memory of 4896	2588	TXPlatfor.exe	TXPlatfor.exe
PID 2588 wrote to memory of 4896	2588	TXPlatfor.exe	TXPlatfor.exe
PID 1564 wrote to memory of 704	1564	8d998335142e24c6ed34589c89a3a16e929fc5565f1aa4bffa80cfc8b8cdd27f.exe	HD_8d998335142e24c6ed34589c89a3a16e929fc5565f1aa4bffa80cfc8b8cdd27f.exe
PID 1564 wrote to memory of 704	1564	8d998335142e24c6ed34589c89a3a16e929fc5565f1aa4bffa80cfc8b8cdd27f.exe	HD_8d998335142e24c6ed34589c89a3a16e929fc5565f1aa4bffa80cfc8b8cdd27f.exe
PID 1564 wrote to memory of 704	1564	8d998335142e24c6ed34589c89a3a16e929fc5565f1aa4bffa80cfc8b8cdd27f.exe	HD_8d998335142e24c6ed34589c89a3a16e929fc5565f1aa4bffa80cfc8b8cdd27f.exe
PID 4912 wrote to memory of 1648	4912	cmd.exe	PING.EXE
PID 4912 wrote to memory of 1648	4912	cmd.exe	PING.EXE
PID 4912 wrote to memory of 1648	4912	cmd.exe	PING.EXE
PID 972 wrote to memory of 1408	972	svchost.exe	Remote Data.exe
PID 972 wrote to memory of 1408	972	svchost.exe	Remote Data.exe
PID 972 wrote to memory of 1408	972	svchost.exe	Remote Data.exe

C:\Users\Admin\AppData\Local\Temp\8d998335142e24c6ed34589c89a3a16e929fc5565f1aa4bffa80cfc8b8cdd27f.exe
"C:\Users\Admin\AppData\Local\Temp\8d998335142e24c6ed34589c89a3a16e929fc5565f1aa4bffa80cfc8b8cdd27f.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1564

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:880

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:4188

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:4912

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:1648

C:\Users\Admin\AppData\Local\Temp\HD_8d998335142e24c6ed34589c89a3a16e929fc5565f1aa4bffa80cfc8b8cdd27f.exe
C:\Users\Admin\AppData\Local\Temp\HD_8d998335142e24c6ed34589c89a3a16e929fc5565f1aa4bffa80cfc8b8cdd27f.exe
2⤵
- Executes dropped EXE
PID:704

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:4144

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:972

C:\Windows\SysWOW64\Remote Data.exe
"C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240594515.txt",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:1408

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2588

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:4896

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\HD_8d998335142e24c6ed34589c89a3a16e929fc5565f1aa4bffa80cfc8b8cdd27f.exe

Filesize
439KB

MD5
ecce8dc700265c1630a6b78a0d296c47

SHA1
19b3ba3d2919ae6950446fd098a9668c0d6c9444

SHA256
09990c28fb72af87e75f806b513eb011191b1a82604f9bef0dc7fb3f93db951e

SHA512
7a80d50fbbd8aef5a2f6aa0bec3952f22bbad94b3c80d00e714af5fcb8402357ca197f9121e3374fe2a536e3a08b6b48c692804fb1be489d98cb42a583dd814d

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:\Users\Admin\Desktop\InitializeImport.exe

Filesize
3.2MB

MD5
aa498bd438290527d848a70bba38d115

SHA1
f12fa5975799086f958d315a4edf2c2afc6e02ae

SHA256
d245b97f774a5e10936d6af6f0cb4a6a3ce2c12426b87a7aec9834f5ae1d0507

SHA512
317f0c0a2c15f18b5754630e5625e58a506a10381e57f877c737ec4c41397eb0288153e6e7d56e627339bb8e7c37008bbdeef99cd686a6226cb6452b39d37202

Download Submit
C:\Windows\SysWOW64\240594515.txt

Filesize
899KB

MD5
be284578edb9e00574e70241bdf94d48

SHA1
e5bfa4319bd326ab8bfd59e240c67aad652a067a

SHA256
dc624d78f6fe3a0b3439e8ab02e48f65f8cf5576b84ee9f8f39cbe2919e41b94

SHA512
695b74460b15b11e42dbf05a09f022007356b5f7d551f0f3f4018c622108d71e3331af5141edc7041b4b4d78d13a469f3dac4549bb9e3288d1f0f4abeb022b47

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

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/2588-28-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2588-27-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2588-29-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4188-19-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4188-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4188-23-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4188-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4896-39-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4896-45-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4896-47-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads