gh0strat | 897808e47ba39ee83b552665f327a29697d00cade117b7609d8f2ff979b418ee

Analysis

max time kernel
156s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
01-07-2024 04:22

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General

Target

897808e47ba39ee83b552665f327a29697d00cade117b7609d8f2ff979b418ee.exe
Size

2.9MB
MD5

9da340bbc9ae5a0cd4bc392800310f3e
SHA1

08ce2d4102c3f1cb031b2cb812b598281f069bc7
SHA256

897808e47ba39ee83b552665f327a29697d00cade117b7609d8f2ff979b418ee
SHA512

d44e380084015158e3735387b365477603da3ef1dc04260c06e486a3a840c8a73a37d7de82e03f75012547827552af9a77fca4dbdf97b3db9649a1f049d89bb8
SSDEEP

49152:VCwsbCANnKXferL7Vwe/Gg0P+WhmLn8mqgl7h:Iws2ANnKXOaeOgmhPmhl7h

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/4712-16-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4712-15-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4584-24-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4712-26-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4584-25-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4584-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4584-33-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3740-36-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3740-34-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3740-39-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 11 IoCs

Processes:

resource	yara_rule
C:\Windows\SysWOW64\240663375.txt	family_gh0strat
behavioral2/memory/4712-16-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4712-15-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4584-24-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4712-26-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4584-25-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4584-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4584-33-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3740-36-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3740-34-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3740-39-0x0000000010000000-0x00000000101B6000-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
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 4 IoCs

Processes:

R.exeN.exeTXPlatfor.exeTXPlatfor.exe

pid process

416 R.exe
4712 N.exe
4584 TXPlatfor.exe
3740 TXPlatfor.exe
Loads dropped DLL 1 IoCs

Processes:

R.exe

pid process

416 R.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\QAssist\ImagePath = "system32\\DRIVERS\\QAssist.sys"	TXPlatfor.exe

pid	process
416	R.exe
4712	N.exe
4584	TXPlatfor.exe
3740	TXPlatfor.exe

pid	process
416	R.exe

UPX packed file 12 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/4712-13-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4712-16-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4712-15-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4584-24-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4712-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4584-25-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4584-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4584-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4584-33-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3740-36-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3740-34-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3740-39-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 3 IoCs

Processes:

N.exeR.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\240663375.txt R.exe
Drops file in Program Files directory 1 IoCs

Processes:

897808e47ba39ee83b552665f327a29697d00cade117b7609d8f2ff979b418ee.exe

description ioc process

File created C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe 897808e47ba39ee83b552665f327a29697d00cade117b7609d8f2ff979b418ee.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Program crash 2 IoCs

Processes:

WerFault.exeWerFault.exe

pid pid_target process target process

4168 416 WerFault.exe R.exe
2776 416 WerFault.exe R.exe
Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1972 PING.EXE
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatfor.exe

pid process

3740 TXPlatfor.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\240663375.txt	R.exe

description	ioc	process
File created	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	897808e47ba39ee83b552665f327a29697d00cade117b7609d8f2ff979b418ee.exe

pid	pid_target	process	target process
4168	416	WerFault.exe	R.exe
2776	416	WerFault.exe	R.exe

pid	process
1972	PING.EXE

pid	process
3740	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

N.exeTXPlatfor.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	4712	N.exe
Token: SeLoadDriverPrivilege	3740	TXPlatfor.exe
Token: 33	3740	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	3740	TXPlatfor.exe
Token: 33	3740	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	3740	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

897808e47ba39ee83b552665f327a29697d00cade117b7609d8f2ff979b418ee.exe

pid process

4844 897808e47ba39ee83b552665f327a29697d00cade117b7609d8f2ff979b418ee.exe
4844 897808e47ba39ee83b552665f327a29697d00cade117b7609d8f2ff979b418ee.exe

pid	process
4844	897808e47ba39ee83b552665f327a29697d00cade117b7609d8f2ff979b418ee.exe
4844	897808e47ba39ee83b552665f327a29697d00cade117b7609d8f2ff979b418ee.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

897808e47ba39ee83b552665f327a29697d00cade117b7609d8f2ff979b418ee.exeN.exeTXPlatfor.execmd.exe

description	pid	process	target process
PID 4844 wrote to memory of 416	4844	897808e47ba39ee83b552665f327a29697d00cade117b7609d8f2ff979b418ee.exe	R.exe
PID 4844 wrote to memory of 416	4844	897808e47ba39ee83b552665f327a29697d00cade117b7609d8f2ff979b418ee.exe	R.exe
PID 4844 wrote to memory of 416	4844	897808e47ba39ee83b552665f327a29697d00cade117b7609d8f2ff979b418ee.exe	R.exe
PID 4844 wrote to memory of 4712	4844	897808e47ba39ee83b552665f327a29697d00cade117b7609d8f2ff979b418ee.exe	N.exe
PID 4844 wrote to memory of 4712	4844	897808e47ba39ee83b552665f327a29697d00cade117b7609d8f2ff979b418ee.exe	N.exe
PID 4844 wrote to memory of 4712	4844	897808e47ba39ee83b552665f327a29697d00cade117b7609d8f2ff979b418ee.exe	N.exe
PID 4712 wrote to memory of 3972	4712	N.exe	cmd.exe
PID 4712 wrote to memory of 3972	4712	N.exe	cmd.exe
PID 4712 wrote to memory of 3972	4712	N.exe	cmd.exe
PID 4584 wrote to memory of 3740	4584	TXPlatfor.exe	TXPlatfor.exe
PID 4584 wrote to memory of 3740	4584	TXPlatfor.exe	TXPlatfor.exe
PID 4584 wrote to memory of 3740	4584	TXPlatfor.exe	TXPlatfor.exe
PID 3972 wrote to memory of 1972	3972	cmd.exe	PING.EXE
PID 3972 wrote to memory of 1972	3972	cmd.exe	PING.EXE
PID 3972 wrote to memory of 1972	3972	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\897808e47ba39ee83b552665f327a29697d00cade117b7609d8f2ff979b418ee.exe
"C:\Users\Admin\AppData\Local\Temp\897808e47ba39ee83b552665f327a29697d00cade117b7609d8f2ff979b418ee.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4844

C:\Users\Admin\AppData\Local\Temp\R.exe
C:\Users\Admin\AppData\Local\Temp\\R.exe
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in System32 directory
PID:416

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 416 -s 460
3⤵
- Program crash
PID:4168

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 416 -s 496
3⤵
- Program crash
PID:2776

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:4712

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:3972

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:1972

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 416 -ip 416
1⤵
PID:1384

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4584

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:3740

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 416 -ip 416
1⤵
PID:1324

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4156 --field-trial-handle=2180,i,12780723798465539942,12010519452607841069,262144 --variations-seed-version /prefetch:8
1⤵
PID:5092

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
2.9MB

MD5
9da340bbc9ae5a0cd4bc392800310f3e

SHA1
08ce2d4102c3f1cb031b2cb812b598281f069bc7

SHA256
897808e47ba39ee83b552665f327a29697d00cade117b7609d8f2ff979b418ee

SHA512
d44e380084015158e3735387b365477603da3ef1dc04260c06e486a3a840c8a73a37d7de82e03f75012547827552af9a77fca4dbdf97b3db9649a1f049d89bb8

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\AppData\Local\Temp\RCXE915.tmp
Filesize
2.7MB

MD5
e0150840ea0294190b3d6706269cc8b5

SHA1
3b44aedf4e2910ae72a225385c951df0ccba5055

SHA256
0d9137fc8f683fdf1f2ff3dcff045d6d2846733ef3acf9fca9c59362e4c8c3f9

SHA512
1962ee563c6883368dc765a16f2b130465aa8e8b2edb03d4af12f542dfc63886b65b8a74f1e316056e3d6c032c0f6ce6829f73e9ebb707edd35734d1043ff493

Download Submit
C:\Users\Admin\AppData\Local\Temp\X.ico
Filesize
69KB

MD5
e33fb6d686b1a8b171349572c5a33f67

SHA1
29f24fe536adf799b69b63c83efadc1bce457a54

SHA256
020c8e0963f89f4b14538b7d69e83c6fec44a29bbbd52fbb6deb2be5c697f450

SHA512
cf1f1d6a9efe53f84e5b4a8246b87c0b96496716605d1b00352d9aae30e664d3d2cbadebf598b4e690a9feef0b5785887a4e643cc5f68938ca744af1d3539e55

Download Submit
C:\Windows\SysWOW64\240663375.txt
Filesize
899KB

MD5
9fb29171ac9cf3377978703d5c358b43

SHA1
8f6d5b33539e6326561d5e51710ed9ef82accdd1

SHA256
63c905d8a18ccd0088d941efdb2e649f09f7133a4bafabbb6d32c3c8b3fed54a

SHA512
c986403fc080783eed79bfb7b1300f17238d007e5216716a16f464c6e413ba199fda526068fb09fb331ce668c8d85093bb003d9c7bc6dc50d3495ff11b8f82bc

Download Submit
memory/3740-36-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3740-39-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3740-34-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4584-25-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4584-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4584-33-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4584-23-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4584-24-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4712-26-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4712-15-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4712-16-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4712-13-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download