gh0strat | 2b50bab668d9ea9ad067be538fff3fba6c6033ac745eae2f7f581f05d86cdedd

Analysis

max time kernel
150s
max time network
145s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
01-07-2024 04:22

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General

Target

2b50bab668d9ea9ad067be538fff3fba6c6033ac745eae2f7f581f05d86cdedd.exe
Size

2.5MB
MD5

5615e9941453a9dce47394025e77bc31
SHA1

350c2156311efc2805b4e44bafb90b49ef9f6c09
SHA256

2b50bab668d9ea9ad067be538fff3fba6c6033ac745eae2f7f581f05d86cdedd
SHA512

eb338fc64fe5d8bd8d4ff07105b8bab7119e0b2d6e187aee2ad4a2fe52646bb2c89f2a5c7619d6731bbb9c3396970a161700bd7993b0299f5bae91e22b44c0b1
SSDEEP

24576:SCwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nHL:SCwsbCANnKXferL7Vwe/Gg0P+WhT0tL

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 9 IoCs

Detect PurpleFox Rootkit.

rootkit

Processes:

resource	yara_rule
behavioral1/memory/2996-15-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2996-16-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2996-17-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2700-26-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2996-30-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2700-36-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3004-37-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3004-41-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3004-42-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 10 IoCs

Processes:

resource	yara_rule
\Windows\SysWOW64\259397230.txt	family_gh0strat
behavioral1/memory/2996-15-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2996-16-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2996-17-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2700-26-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2996-30-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2700-36-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3004-37-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3004-41-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3004-42-0x0000000010000000-0x00000000101B6000-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

1932 R.exe
2996 N.exe
2700 TXPlatfor.exe
3004 TXPlatfor.exe
Loads dropped DLL 4 IoCs

Processes:

2b50bab668d9ea9ad067be538fff3fba6c6033ac745eae2f7f581f05d86cdedd.exeR.exeTXPlatfor.exe

pid process

1632 2b50bab668d9ea9ad067be538fff3fba6c6033ac745eae2f7f581f05d86cdedd.exe
1932 R.exe
1632 2b50bab668d9ea9ad067be538fff3fba6c6033ac745eae2f7f581f05d86cdedd.exe
2700 TXPlatfor.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
1932	R.exe
2996	N.exe
2700	TXPlatfor.exe
3004	TXPlatfor.exe

pid	process
1632	2b50bab668d9ea9ad067be538fff3fba6c6033ac745eae2f7f581f05d86cdedd.exe
1932	R.exe
1632	2b50bab668d9ea9ad067be538fff3fba6c6033ac745eae2f7f581f05d86cdedd.exe
2700	TXPlatfor.exe

UPX packed file 10 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/2996-15-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2996-16-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2996-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2996-13-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2700-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2996-30-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2700-36-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3004-37-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3004-41-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3004-42-0x0000000010000000-0x00000000101B6000-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\259397230.txt R.exe
Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2448 PING.EXE
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatfor.exe

pid process

3004 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\259397230.txt	R.exe

pid	process
2448	PING.EXE

pid	process
3004	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

N.exeTXPlatfor.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2996	N.exe
Token: SeLoadDriverPrivilege	3004	TXPlatfor.exe
Token: 33	3004	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	3004	TXPlatfor.exe
Token: 33	3004	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	3004	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

2b50bab668d9ea9ad067be538fff3fba6c6033ac745eae2f7f581f05d86cdedd.exe

pid process

1632 2b50bab668d9ea9ad067be538fff3fba6c6033ac745eae2f7f581f05d86cdedd.exe
1632 2b50bab668d9ea9ad067be538fff3fba6c6033ac745eae2f7f581f05d86cdedd.exe

pid	process
1632	2b50bab668d9ea9ad067be538fff3fba6c6033ac745eae2f7f581f05d86cdedd.exe
1632	2b50bab668d9ea9ad067be538fff3fba6c6033ac745eae2f7f581f05d86cdedd.exe

Suspicious use of WriteProcessMemory 26 IoCs

Processes:

2b50bab668d9ea9ad067be538fff3fba6c6033ac745eae2f7f581f05d86cdedd.exeN.exeTXPlatfor.execmd.exe

description	pid	process	target process
PID 1632 wrote to memory of 1932	1632	2b50bab668d9ea9ad067be538fff3fba6c6033ac745eae2f7f581f05d86cdedd.exe	R.exe
PID 1632 wrote to memory of 1932	1632	2b50bab668d9ea9ad067be538fff3fba6c6033ac745eae2f7f581f05d86cdedd.exe	R.exe
PID 1632 wrote to memory of 1932	1632	2b50bab668d9ea9ad067be538fff3fba6c6033ac745eae2f7f581f05d86cdedd.exe	R.exe
PID 1632 wrote to memory of 1932	1632	2b50bab668d9ea9ad067be538fff3fba6c6033ac745eae2f7f581f05d86cdedd.exe	R.exe
PID 1632 wrote to memory of 2996	1632	2b50bab668d9ea9ad067be538fff3fba6c6033ac745eae2f7f581f05d86cdedd.exe	N.exe
PID 1632 wrote to memory of 2996	1632	2b50bab668d9ea9ad067be538fff3fba6c6033ac745eae2f7f581f05d86cdedd.exe	N.exe
PID 1632 wrote to memory of 2996	1632	2b50bab668d9ea9ad067be538fff3fba6c6033ac745eae2f7f581f05d86cdedd.exe	N.exe
PID 1632 wrote to memory of 2996	1632	2b50bab668d9ea9ad067be538fff3fba6c6033ac745eae2f7f581f05d86cdedd.exe	N.exe
PID 1632 wrote to memory of 2996	1632	2b50bab668d9ea9ad067be538fff3fba6c6033ac745eae2f7f581f05d86cdedd.exe	N.exe
PID 1632 wrote to memory of 2996	1632	2b50bab668d9ea9ad067be538fff3fba6c6033ac745eae2f7f581f05d86cdedd.exe	N.exe
PID 1632 wrote to memory of 2996	1632	2b50bab668d9ea9ad067be538fff3fba6c6033ac745eae2f7f581f05d86cdedd.exe	N.exe
PID 2996 wrote to memory of 2704	2996	N.exe	cmd.exe
PID 2996 wrote to memory of 2704	2996	N.exe	cmd.exe
PID 2996 wrote to memory of 2704	2996	N.exe	cmd.exe
PID 2996 wrote to memory of 2704	2996	N.exe	cmd.exe
PID 2700 wrote to memory of 3004	2700	TXPlatfor.exe	TXPlatfor.exe
PID 2700 wrote to memory of 3004	2700	TXPlatfor.exe	TXPlatfor.exe
PID 2700 wrote to memory of 3004	2700	TXPlatfor.exe	TXPlatfor.exe
PID 2700 wrote to memory of 3004	2700	TXPlatfor.exe	TXPlatfor.exe
PID 2700 wrote to memory of 3004	2700	TXPlatfor.exe	TXPlatfor.exe
PID 2700 wrote to memory of 3004	2700	TXPlatfor.exe	TXPlatfor.exe
PID 2700 wrote to memory of 3004	2700	TXPlatfor.exe	TXPlatfor.exe
PID 2704 wrote to memory of 2448	2704	cmd.exe	PING.EXE
PID 2704 wrote to memory of 2448	2704	cmd.exe	PING.EXE
PID 2704 wrote to memory of 2448	2704	cmd.exe	PING.EXE
PID 2704 wrote to memory of 2448	2704	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\2b50bab668d9ea9ad067be538fff3fba6c6033ac745eae2f7f581f05d86cdedd.exe
"C:\Users\Admin\AppData\Local\Temp\2b50bab668d9ea9ad067be538fff3fba6c6033ac745eae2f7f581f05d86cdedd.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1632

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:1932

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:2996

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:2704

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:2448

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2700

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:3004

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
2.5MB

MD5
5615e9941453a9dce47394025e77bc31

SHA1
350c2156311efc2805b4e44bafb90b49ef9f6c09

SHA256
2b50bab668d9ea9ad067be538fff3fba6c6033ac745eae2f7f581f05d86cdedd

SHA512
eb338fc64fe5d8bd8d4ff07105b8bab7119e0b2d6e187aee2ad4a2fe52646bb2c89f2a5c7619d6731bbb9c3396970a161700bd7993b0299f5bae91e22b44c0b1

Download Submit
C:\Users\Admin\AppData\Local\Temp\N.exe
Filesize
377KB

MD5
4a36a48e58829c22381572b2040b6fe0

SHA1
f09d30e44ff7e3f20a5de307720f3ad148c6143b

SHA256
3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

SHA512
5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

Download Submit
\Users\Admin\AppData\Local\Temp\R.exe
Filesize
941KB

MD5
8dc3adf1c490211971c1e2325f1424d2

SHA1
4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

SHA256
bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

SHA512
ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

Download Submit
\Windows\SysWOW64\259397230.txt
Filesize
899KB

MD5
9fb29171ac9cf3377978703d5c358b43

SHA1
8f6d5b33539e6326561d5e51710ed9ef82accdd1

SHA256
63c905d8a18ccd0088d941efdb2e649f09f7133a4bafabbb6d32c3c8b3fed54a

SHA512
c986403fc080783eed79bfb7b1300f17238d007e5216716a16f464c6e413ba199fda526068fb09fb331ce668c8d85093bb003d9c7bc6dc50d3495ff11b8f82bc

Download Submit
memory/2700-26-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2700-36-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2996-15-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2996-13-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2996-30-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2996-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2996-16-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3004-37-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3004-41-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3004-42-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download