gh0strat | 9af0e067cc3af69301010b68f112a98e0c52295b2f3a73e755b730d328d20ad6

Analysis

max time kernel
150s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
01-07-2024 04:29

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General

Target

9af0e067cc3af69301010b68f112a98e0c52295b2f3a73e755b730d328d20ad6.exe
Size

2.4MB
MD5

7f4be491f9fcf9555a3678c5ad9fed0e
SHA1

08294b16913f4f7f19edca4c42d0f21c844e9477
SHA256

9af0e067cc3af69301010b68f112a98e0c52295b2f3a73e755b730d328d20ad6
SHA512

f07db31875abb6adb355e7b2cd1fcbc0c1395dda61343bbddaee871a2a78d20c43c232edca01f60b76e4fd9ea63a24eb391759d24225d3fa80a81c841db91db4
SSDEEP

24576:UCwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nH4:UCwsbCANnKXferL7Vwe/Gg0P+Whlh

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/4200-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4200-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4200-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4356-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4356-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2344-45-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2344-49-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2344-52-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

Processes:

resource	yara_rule
C:\Windows\SysWOW64\240599921.txt	family_gh0strat
behavioral2/memory/4200-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4200-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4200-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4356-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4356-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2344-45-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2344-49-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2344-52-0x0000000010000000-0x00000000101B6000-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
Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs
persistence

Terminal Services DLL
T1505.005

Processes:

R.exe

description ioc process

Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Remote Data\Parameters\ServiceDll = "C:\\Windows\\system32\\240599921.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 5 IoCs

Processes:

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

pid process

3348 R.exe
4200 N.exe
4356 TXPlatfor.exe
2344 TXPlatfor.exe
2968 Remote Data.exe
Loads dropped DLL 3 IoCs

Processes:

R.exesvchost.exeRemote Data.exe

pid process

3348 R.exe
4524 svchost.exe
2968 Remote Data.exe

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

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Remote Data\Parameters\ServiceDll = "C:\\Windows\\system32\\240599921.txt"	R.exe

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

pid	process
3348	R.exe
4200	N.exe
4356	TXPlatfor.exe
2344	TXPlatfor.exe
2968	Remote Data.exe

pid	process
3348	R.exe
4524	svchost.exe
2968	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/4200-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4200-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4200-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4200-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4356-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4356-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4356-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2344-45-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2344-49-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2344-52-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

Processes:

R.exesvchost.exeN.exe

description	ioc	process
File created	C:\Windows\SysWOW64\240599921.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
File created	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe
File opened for modification	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe

Drops file in Program Files directory 1 IoCs

Processes:

9af0e067cc3af69301010b68f112a98e0c52295b2f3a73e755b730d328d20ad6.exe

description ioc process

File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe 9af0e067cc3af69301010b68f112a98e0c52295b2f3a73e755b730d328d20ad6.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

396 PING.EXE
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatfor.exe

pid process

2344 TXPlatfor.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	9af0e067cc3af69301010b68f112a98e0c52295b2f3a73e755b730d328d20ad6.exe

pid	process
396	PING.EXE

pid	process
2344	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

N.exeTXPlatfor.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	4200	N.exe
Token: SeLoadDriverPrivilege	2344	TXPlatfor.exe
Token: 33	2344	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2344	TXPlatfor.exe
Token: 33	2344	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2344	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

9af0e067cc3af69301010b68f112a98e0c52295b2f3a73e755b730d328d20ad6.exe

pid process

516 9af0e067cc3af69301010b68f112a98e0c52295b2f3a73e755b730d328d20ad6.exe
516 9af0e067cc3af69301010b68f112a98e0c52295b2f3a73e755b730d328d20ad6.exe

pid	process
516	9af0e067cc3af69301010b68f112a98e0c52295b2f3a73e755b730d328d20ad6.exe
516	9af0e067cc3af69301010b68f112a98e0c52295b2f3a73e755b730d328d20ad6.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

9af0e067cc3af69301010b68f112a98e0c52295b2f3a73e755b730d328d20ad6.exeN.exeTXPlatfor.execmd.exesvchost.exe

description	pid	process	target process
PID 516 wrote to memory of 3348	516	9af0e067cc3af69301010b68f112a98e0c52295b2f3a73e755b730d328d20ad6.exe	R.exe
PID 516 wrote to memory of 3348	516	9af0e067cc3af69301010b68f112a98e0c52295b2f3a73e755b730d328d20ad6.exe	R.exe
PID 516 wrote to memory of 3348	516	9af0e067cc3af69301010b68f112a98e0c52295b2f3a73e755b730d328d20ad6.exe	R.exe
PID 516 wrote to memory of 4200	516	9af0e067cc3af69301010b68f112a98e0c52295b2f3a73e755b730d328d20ad6.exe	N.exe
PID 516 wrote to memory of 4200	516	9af0e067cc3af69301010b68f112a98e0c52295b2f3a73e755b730d328d20ad6.exe	N.exe
PID 516 wrote to memory of 4200	516	9af0e067cc3af69301010b68f112a98e0c52295b2f3a73e755b730d328d20ad6.exe	N.exe
PID 4200 wrote to memory of 2348	4200	N.exe	cmd.exe
PID 4200 wrote to memory of 2348	4200	N.exe	cmd.exe
PID 4200 wrote to memory of 2348	4200	N.exe	cmd.exe
PID 4356 wrote to memory of 2344	4356	TXPlatfor.exe	TXPlatfor.exe
PID 4356 wrote to memory of 2344	4356	TXPlatfor.exe	TXPlatfor.exe
PID 4356 wrote to memory of 2344	4356	TXPlatfor.exe	TXPlatfor.exe
PID 2348 wrote to memory of 396	2348	cmd.exe	PING.EXE
PID 2348 wrote to memory of 396	2348	cmd.exe	PING.EXE
PID 2348 wrote to memory of 396	2348	cmd.exe	PING.EXE
PID 4524 wrote to memory of 2968	4524	svchost.exe	Remote Data.exe
PID 4524 wrote to memory of 2968	4524	svchost.exe	Remote Data.exe
PID 4524 wrote to memory of 2968	4524	svchost.exe	Remote Data.exe

C:\Users\Admin\AppData\Local\Temp\9af0e067cc3af69301010b68f112a98e0c52295b2f3a73e755b730d328d20ad6.exe
"C:\Users\Admin\AppData\Local\Temp\9af0e067cc3af69301010b68f112a98e0c52295b2f3a73e755b730d328d20ad6.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:516

C:\Users\Admin\AppData\Local\Temp\R.exe
C:\Users\Admin\AppData\Local\Temp\\R.exe
2⤵
- Server Software Component: Terminal Services DLL
- Executes dropped EXE
- Loads dropped DLL
- Drops file in System32 directory
PID:3348

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:4200

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:2348

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:396

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:852

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:4524

C:\Windows\SysWOW64\Remote Data.exe
"C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240599921.txt",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:2968

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4356

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:2344

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\HD_X.dat
Filesize
2.4MB

MD5
7f4be491f9fcf9555a3678c5ad9fed0e

SHA1
08294b16913f4f7f19edca4c42d0f21c844e9477

SHA256
9af0e067cc3af69301010b68f112a98e0c52295b2f3a73e755b730d328d20ad6

SHA512
f07db31875abb6adb355e7b2cd1fcbc0c1395dda61343bbddaee871a2a78d20c43c232edca01f60b76e4fd9ea63a24eb391759d24225d3fa80a81c841db91db4

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\240599921.txt
Filesize
899KB

MD5
6dd51ed11016ac27e8018df99704a98e

SHA1
ec8d5533e7d427e55dc3a4d3bba60472f79e6f38

SHA256
7b6b4fe94f669baf9bfa822f46d0836fdd244f13a482fc4fdc81a2f9be797661

SHA512
d344e9c81cc577e9376fceb543ec05f8f4665adb453fab4c838d0f110b410f9cdc4b3c09d14219b60abc90f8b1037c99ad9af3ce2f08b15d84252884e6b14c89

Download Submit
C:\Windows\SysWOW64\Remote Data.exe
Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/2344-45-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2344-52-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2344-49-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4200-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4200-23-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4200-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4200-19-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4356-28-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4356-29-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4356-26-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download