gh0strat | cf88af025bce33696b852b4355d28bce4f62d908abc4697f7ad982a1003de8e8

Analysis

max time kernel
150s
max time network
152s
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 04:22

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General

Target

cf88af025bce33696b852b4355d28bce4f62d908abc4697f7ad982a1003de8e8.exe
Size

3.0MB
MD5

7d43755a5f452af7b42f077b7d2f6722
SHA1

f7e0703e9f95b471ee4774ae8aa97e96968e655d
SHA256

cf88af025bce33696b852b4355d28bce4f62d908abc4697f7ad982a1003de8e8
SHA512

bac807d7442f0c4ea8101fa21acf1ed101d3a1daa6b2ac29bb690a4ee82d975afb7a610eff8f5f3b89781df526efdf670fccc5b38f763b0268fa18653ce2ca90
SSDEEP

49152:zCwsbCANnKXferL7Vwe/Gg0P+Wh3NThXJC:mws2ANnKXOaeOgmhbXQ

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/4728-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4728-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4728-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3672-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3672-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3380-38-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3380-54-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 8 IoCs

Processes:

resource	yara_rule
C:\Windows\SysWOW64\240598578.txt	family_gh0strat
behavioral2/memory/4728-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4728-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4728-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3672-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3672-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3380-38-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3380-54-0x0000000010000000-0x00000000101B6000-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\\240598578.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

4020 R.exe
4728 N.exe
3672 TXPlatfor.exe
3380 TXPlatfor.exe
3316 Remote Data.exe
Loads dropped DLL 3 IoCs

Processes:

R.exesvchost.exeRemote Data.exe

pid process

4020 R.exe
2176 svchost.exe
3316 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\\240598578.txt"	R.exe

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

pid	process
4020	R.exe
4728	N.exe
3672	TXPlatfor.exe
3380	TXPlatfor.exe
3316	Remote Data.exe

pid	process
4020	R.exe
2176	svchost.exe
3316	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/4728-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4728-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4728-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4728-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3672-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3672-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3672-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3380-38-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3380-54-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

Processes:

R.exesvchost.exeN.exe

description	ioc	process
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
File created	C:\Windows\SysWOW64\240598578.txt	R.exe

Drops file in Program Files directory 1 IoCs

Processes:

cf88af025bce33696b852b4355d28bce4f62d908abc4697f7ad982a1003de8e8.exe

description ioc process

File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe cf88af025bce33696b852b4355d28bce4f62d908abc4697f7ad982a1003de8e8.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

2568 PING.EXE
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatfor.exe

pid process

3380 TXPlatfor.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	cf88af025bce33696b852b4355d28bce4f62d908abc4697f7ad982a1003de8e8.exe

pid	process
2568	PING.EXE

pid	process
3380	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

N.exeTXPlatfor.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	4728	N.exe
Token: SeLoadDriverPrivilege	3380	TXPlatfor.exe
Token: 33	3380	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	3380	TXPlatfor.exe
Token: 33	3380	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	3380	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

cf88af025bce33696b852b4355d28bce4f62d908abc4697f7ad982a1003de8e8.exe

pid process

4632 cf88af025bce33696b852b4355d28bce4f62d908abc4697f7ad982a1003de8e8.exe
4632 cf88af025bce33696b852b4355d28bce4f62d908abc4697f7ad982a1003de8e8.exe

pid	process
4632	cf88af025bce33696b852b4355d28bce4f62d908abc4697f7ad982a1003de8e8.exe
4632	cf88af025bce33696b852b4355d28bce4f62d908abc4697f7ad982a1003de8e8.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

cf88af025bce33696b852b4355d28bce4f62d908abc4697f7ad982a1003de8e8.exeN.exeTXPlatfor.execmd.exesvchost.exe

description	pid	process	target process
PID 4632 wrote to memory of 4020	4632	cf88af025bce33696b852b4355d28bce4f62d908abc4697f7ad982a1003de8e8.exe	R.exe
PID 4632 wrote to memory of 4020	4632	cf88af025bce33696b852b4355d28bce4f62d908abc4697f7ad982a1003de8e8.exe	R.exe
PID 4632 wrote to memory of 4020	4632	cf88af025bce33696b852b4355d28bce4f62d908abc4697f7ad982a1003de8e8.exe	R.exe
PID 4632 wrote to memory of 4728	4632	cf88af025bce33696b852b4355d28bce4f62d908abc4697f7ad982a1003de8e8.exe	N.exe
PID 4632 wrote to memory of 4728	4632	cf88af025bce33696b852b4355d28bce4f62d908abc4697f7ad982a1003de8e8.exe	N.exe
PID 4632 wrote to memory of 4728	4632	cf88af025bce33696b852b4355d28bce4f62d908abc4697f7ad982a1003de8e8.exe	N.exe
PID 4728 wrote to memory of 3600	4728	N.exe	cmd.exe
PID 4728 wrote to memory of 3600	4728	N.exe	cmd.exe
PID 4728 wrote to memory of 3600	4728	N.exe	cmd.exe
PID 3672 wrote to memory of 3380	3672	TXPlatfor.exe	TXPlatfor.exe
PID 3672 wrote to memory of 3380	3672	TXPlatfor.exe	TXPlatfor.exe
PID 3672 wrote to memory of 3380	3672	TXPlatfor.exe	TXPlatfor.exe
PID 3600 wrote to memory of 2568	3600	cmd.exe	PING.EXE
PID 3600 wrote to memory of 2568	3600	cmd.exe	PING.EXE
PID 3600 wrote to memory of 2568	3600	cmd.exe	PING.EXE
PID 2176 wrote to memory of 3316	2176	svchost.exe	Remote Data.exe
PID 2176 wrote to memory of 3316	2176	svchost.exe	Remote Data.exe
PID 2176 wrote to memory of 3316	2176	svchost.exe	Remote Data.exe

C:\Users\Admin\AppData\Local\Temp\cf88af025bce33696b852b4355d28bce4f62d908abc4697f7ad982a1003de8e8.exe
"C:\Users\Admin\AppData\Local\Temp\cf88af025bce33696b852b4355d28bce4f62d908abc4697f7ad982a1003de8e8.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4632

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:4020

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:4728

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:3600

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:2568

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:2596

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:2176

C:\Windows\SysWOW64\Remote Data.exe
"C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240598578.txt",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:3316

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3672

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:3380

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
3.0MB

MD5
7d43755a5f452af7b42f077b7d2f6722

SHA1
f7e0703e9f95b471ee4774ae8aa97e96968e655d

SHA256
cf88af025bce33696b852b4355d28bce4f62d908abc4697f7ad982a1003de8e8

SHA512
bac807d7442f0c4ea8101fa21acf1ed101d3a1daa6b2ac29bb690a4ee82d975afb7a610eff8f5f3b89781df526efdf670fccc5b38f763b0268fa18653ce2ca90

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\240598578.txt
Filesize
899KB

MD5
9fb29171ac9cf3377978703d5c358b43

SHA1
8f6d5b33539e6326561d5e51710ed9ef82accdd1

SHA256
63c905d8a18ccd0088d941efdb2e649f09f7133a4bafabbb6d32c3c8b3fed54a

SHA512
c986403fc080783eed79bfb7b1300f17238d007e5216716a16f464c6e413ba199fda526068fb09fb331ce668c8d85093bb003d9c7bc6dc50d3495ff11b8f82bc

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

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/3380-54-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3380-38-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3672-26-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3672-28-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3672-29-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4728-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4728-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4728-23-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4728-19-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download