gh0strat | a040ce56cd244e41affe105548ea413ecfce0583266ee236e4ed224f973b85a2

General

Target

a040ce56cd244e41affe105548ea413ecfce0583266ee236e4ed224f973b85a2.exe
Size

10.2MB
MD5

b9d632551792ad4ccc2e3513a5264d06
SHA1

a714c22843754db4a6c22cbc534b162bb6bb7656
SHA256

a040ce56cd244e41affe105548ea413ecfce0583266ee236e4ed224f973b85a2
SHA512

21a81ff64c95f8940d109237346fd832629814550310acd2906275431d5488167f294edbeee563ac044e0c95c126d8ecb6102690a05a639eea005b98dbfa3949
SSDEEP

196608:YKXbeO7WNmndbKEb0xAriLYCkm0DShKZcccChkdtuR:h7csjb03H0DaMSChqkR

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/1564-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1564-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1564-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4476-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4476-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4872-37-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4872-40-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4872-45-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

Processes:

resource	yara_rule
C:\Windows\SysWOW64\240596718.txt	family_gh0strat
behavioral2/memory/1564-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1564-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1564-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4476-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4476-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4872-37-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4872-40-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4872-45-0x0000000010000000-0x00000000101B6000-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\\240596718.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_a040ce56cd244e41affe105548ea413ecfce0583266ee236e4ed224f973b85a2.exeRemote Data.exe

pid	process
3588	R.exe
1564	N.exe
4476	TXPlatfor.exe
4872	TXPlatfor.exe
528	HD_a040ce56cd244e41affe105548ea413ecfce0583266ee236e4ed224f973b85a2.exe
4084	Remote Data.exe

Loads dropped DLL 3 IoCs

Processes:

R.exesvchost.exeRemote Data.exe

pid process

3588 R.exe
3440 svchost.exe
4084 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/1564-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1564-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1564-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1564-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4476-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4476-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4476-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4872-37-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4872-40-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4872-45-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

Processes:

R.exesvchost.exeN.exe

description	ioc	process
File created	C:\Windows\SysWOW64\240596718.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:

a040ce56cd244e41affe105548ea413ecfce0583266ee236e4ed224f973b85a2.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	a040ce56cd244e41affe105548ea413ecfce0583266ee236e4ed224f973b85a2.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

3736 PING.EXE

pid	process
3736	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

a040ce56cd244e41affe105548ea413ecfce0583266ee236e4ed224f973b85a2.exe

pid	process
4092	a040ce56cd244e41affe105548ea413ecfce0583266ee236e4ed224f973b85a2.exe
4092	a040ce56cd244e41affe105548ea413ecfce0583266ee236e4ed224f973b85a2.exe

Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatfor.exe

pid process

4872 TXPlatfor.exe

pid	process
4872	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

N.exeTXPlatfor.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1564	N.exe
Token: SeLoadDriverPrivilege	4872	TXPlatfor.exe
Token: 33	4872	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	4872	TXPlatfor.exe
Token: 33	4872	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	4872	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

a040ce56cd244e41affe105548ea413ecfce0583266ee236e4ed224f973b85a2.exe

pid	process
4092	a040ce56cd244e41affe105548ea413ecfce0583266ee236e4ed224f973b85a2.exe
4092	a040ce56cd244e41affe105548ea413ecfce0583266ee236e4ed224f973b85a2.exe

Suspicious use of WriteProcessMemory 22 IoCs

Processes:

a040ce56cd244e41affe105548ea413ecfce0583266ee236e4ed224f973b85a2.exeN.exeTXPlatfor.execmd.exeHD_a040ce56cd244e41affe105548ea413ecfce0583266ee236e4ed224f973b85a2.exesvchost.exe

description	pid	process	target process
PID 4092 wrote to memory of 3588	4092	a040ce56cd244e41affe105548ea413ecfce0583266ee236e4ed224f973b85a2.exe	R.exe
PID 4092 wrote to memory of 3588	4092	a040ce56cd244e41affe105548ea413ecfce0583266ee236e4ed224f973b85a2.exe	R.exe
PID 4092 wrote to memory of 3588	4092	a040ce56cd244e41affe105548ea413ecfce0583266ee236e4ed224f973b85a2.exe	R.exe
PID 4092 wrote to memory of 1564	4092	a040ce56cd244e41affe105548ea413ecfce0583266ee236e4ed224f973b85a2.exe	N.exe
PID 4092 wrote to memory of 1564	4092	a040ce56cd244e41affe105548ea413ecfce0583266ee236e4ed224f973b85a2.exe	N.exe
PID 4092 wrote to memory of 1564	4092	a040ce56cd244e41affe105548ea413ecfce0583266ee236e4ed224f973b85a2.exe	N.exe
PID 1564 wrote to memory of 5116	1564	N.exe	cmd.exe
PID 1564 wrote to memory of 5116	1564	N.exe	cmd.exe
PID 1564 wrote to memory of 5116	1564	N.exe	cmd.exe
PID 4476 wrote to memory of 4872	4476	TXPlatfor.exe	TXPlatfor.exe
PID 4476 wrote to memory of 4872	4476	TXPlatfor.exe	TXPlatfor.exe
PID 4476 wrote to memory of 4872	4476	TXPlatfor.exe	TXPlatfor.exe
PID 4092 wrote to memory of 528	4092	a040ce56cd244e41affe105548ea413ecfce0583266ee236e4ed224f973b85a2.exe	HD_a040ce56cd244e41affe105548ea413ecfce0583266ee236e4ed224f973b85a2.exe
PID 4092 wrote to memory of 528	4092	a040ce56cd244e41affe105548ea413ecfce0583266ee236e4ed224f973b85a2.exe	HD_a040ce56cd244e41affe105548ea413ecfce0583266ee236e4ed224f973b85a2.exe
PID 5116 wrote to memory of 3736	5116	cmd.exe	PING.EXE
PID 5116 wrote to memory of 3736	5116	cmd.exe	PING.EXE
PID 5116 wrote to memory of 3736	5116	cmd.exe	PING.EXE
PID 528 wrote to memory of 3020	528	HD_a040ce56cd244e41affe105548ea413ecfce0583266ee236e4ed224f973b85a2.exe	cmd.exe
PID 528 wrote to memory of 3020	528	HD_a040ce56cd244e41affe105548ea413ecfce0583266ee236e4ed224f973b85a2.exe	cmd.exe
PID 3440 wrote to memory of 4084	3440	svchost.exe	Remote Data.exe
PID 3440 wrote to memory of 4084	3440	svchost.exe	Remote Data.exe
PID 3440 wrote to memory of 4084	3440	svchost.exe	Remote Data.exe

C:\Users\Admin\AppData\Local\Temp\a040ce56cd244e41affe105548ea413ecfce0583266ee236e4ed224f973b85a2.exe
"C:\Users\Admin\AppData\Local\Temp\a040ce56cd244e41affe105548ea413ecfce0583266ee236e4ed224f973b85a2.exe"
1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4092

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:3588

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:1564

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:5116

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:3736

C:\Users\Admin\AppData\Local\Temp\HD_a040ce56cd244e41affe105548ea413ecfce0583266ee236e4ed224f973b85a2.exe
C:\Users\Admin\AppData\Local\Temp\HD_a040ce56cd244e41affe105548ea413ecfce0583266ee236e4ed224f973b85a2.exe
2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:528

C:\Windows\system32\cmd.exe
cmd /C ver
3⤵
PID:3020

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:1572

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:3440

C:\Windows\SysWOW64\Remote Data.exe
"C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240596718.txt",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:4084

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4476

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:4872

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

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\HD_X.dat
Filesize
2.8MB

MD5
0a5c594bbcaf0df958f55de71180cb5f

SHA1
74468978cc35e0f1252c54672bd7123abe1b7909

SHA256
a675d657204b22d3a345dbb835b41e74a185c148cdff5d695b1fb6e3eb8830d4

SHA512
bdfba7eec3e36b46b3f757a5c4b552b90e6df3a381cbcdfd58aa23302da85aab41bb201b54aa5b51bb645223a581e7fd87e1bc869ee40d64be73bc889959aabc

Download Submit
C:\Users\Admin\AppData\Local\Temp\HD_a040ce56cd244e41affe105548ea413ecfce0583266ee236e4ed224f973b85a2.exe
Filesize
7.5MB

MD5
c1d60fce98986bc79c36fadd1d5e4870

SHA1
db9581ed6eddc4fdc3f76b51cfef538c78e31730

SHA256
0423db0f40ac299ff1ab2800f5d9a3500eb68fce6e85f50df53ed51b830a924c

SHA512
5a561e3f83785fcf4ca7896cd5b4ad207c3dfcc44449a936df2a91ae19ce44c80b76d85920ec78004843a913ec1efd685edffe33ab8168391c9babe1da2e8ae0

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\240596718.txt
Filesize
899KB

MD5
a5c3eeb9922e7c996570041ff90c6bb5

SHA1
96bdbf654385040c44746245f7c943ed31c046f4

SHA256
ff2f5df15a929ceec51b70cf3be24f9636b33319d97bbe169d014da14fd8f6b1

SHA512
13965483f1fcbf6afedc9952326eda12fdd991bdc577c068e800217f1c6a11c71f634548db5f9a03e72a08d37c56fcff2c18d97dafd3ddcc64493ba89237d241

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

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/1564-19-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1564-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1564-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1564-23-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4476-28-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4476-29-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4476-26-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4872-37-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4872-40-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4872-45-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads