gh0strat | 438ef7a15c45fe3d6ecdf0f78ff4c5e0ef77988c2bdcbc8928fee20409c23552

General

Target

438ef7a15c45fe3d6ecdf0f78ff4c5e0ef77988c2bdcbc8928fee20409c23552.exe
Size

2.4MB
MD5

ad7c25e33d742f7e525b1e00e0f1941e
SHA1

f9051be0d89bace732dd26c7769a673c063a1e01
SHA256

438ef7a15c45fe3d6ecdf0f78ff4c5e0ef77988c2bdcbc8928fee20409c23552
SHA512

2c285c7274a5bfbe53ef5d891fccc28b735fed22e09937440e62b44353e6b1f5ccf6508a1eaf37d4a307f095be40fee5c0cd1f6c657a910d976fe81dd7898540
SSDEEP

49152:xCwsbCANnKXferL7Vwe/Gg0P+Wh4BSJXAA:8ws2ANnKXOaeOgmh4BSKA

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/1560-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1560-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1560-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3892-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3892-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3936-37-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3936-39-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3936-41-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

Processes:

resource	yara_rule
C:\Windows\SysWOW64\240598375.txt	family_gh0strat
behavioral2/memory/1560-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1560-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1560-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3892-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3892-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3936-37-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3936-39-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3936-41-0x0000000010000000-0x00000000101B6000-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\\240598375.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

4744 R.exe
1560 N.exe
3892 TXPlatfor.exe
3936 TXPlatfor.exe
4828 Remote Data.exe
Loads dropped DLL 3 IoCs

Processes:

R.exesvchost.exeRemote Data.exe

pid process

4744 R.exe
1004 svchost.exe
4828 Remote Data.exe

pid	process
4744	R.exe
1560	N.exe
3892	TXPlatfor.exe
3936	TXPlatfor.exe
4828	Remote Data.exe

pid	process
4744	R.exe
1004	svchost.exe
4828	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/1560-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1560-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1560-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1560-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3892-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3892-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3892-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3936-37-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3936-39-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3936-41-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

Processes:

N.exeR.exesvchost.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe
File created	C:\Windows\SysWOW64\240598375.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

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2120 PING.EXE
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatfor.exe

pid process

3936 TXPlatfor.exe

pid	process
2120	PING.EXE

pid	process
3936	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

N.exeTXPlatfor.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1560	N.exe
Token: SeLoadDriverPrivilege	3936	TXPlatfor.exe
Token: 33	3936	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	3936	TXPlatfor.exe
Token: 33	3936	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	3936	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

438ef7a15c45fe3d6ecdf0f78ff4c5e0ef77988c2bdcbc8928fee20409c23552.exe

pid	process
3220	438ef7a15c45fe3d6ecdf0f78ff4c5e0ef77988c2bdcbc8928fee20409c23552.exe
3220	438ef7a15c45fe3d6ecdf0f78ff4c5e0ef77988c2bdcbc8928fee20409c23552.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

438ef7a15c45fe3d6ecdf0f78ff4c5e0ef77988c2bdcbc8928fee20409c23552.exeTXPlatfor.exeN.execmd.exesvchost.exe

description	pid	process	target process
PID 3220 wrote to memory of 4744	3220	438ef7a15c45fe3d6ecdf0f78ff4c5e0ef77988c2bdcbc8928fee20409c23552.exe	R.exe
PID 3220 wrote to memory of 4744	3220	438ef7a15c45fe3d6ecdf0f78ff4c5e0ef77988c2bdcbc8928fee20409c23552.exe	R.exe
PID 3220 wrote to memory of 4744	3220	438ef7a15c45fe3d6ecdf0f78ff4c5e0ef77988c2bdcbc8928fee20409c23552.exe	R.exe
PID 3220 wrote to memory of 1560	3220	438ef7a15c45fe3d6ecdf0f78ff4c5e0ef77988c2bdcbc8928fee20409c23552.exe	N.exe
PID 3220 wrote to memory of 1560	3220	438ef7a15c45fe3d6ecdf0f78ff4c5e0ef77988c2bdcbc8928fee20409c23552.exe	N.exe
PID 3220 wrote to memory of 1560	3220	438ef7a15c45fe3d6ecdf0f78ff4c5e0ef77988c2bdcbc8928fee20409c23552.exe	N.exe
PID 3892 wrote to memory of 3936	3892	TXPlatfor.exe	TXPlatfor.exe
PID 3892 wrote to memory of 3936	3892	TXPlatfor.exe	TXPlatfor.exe
PID 3892 wrote to memory of 3936	3892	TXPlatfor.exe	TXPlatfor.exe
PID 1560 wrote to memory of 364	1560	N.exe	cmd.exe
PID 1560 wrote to memory of 364	1560	N.exe	cmd.exe
PID 1560 wrote to memory of 364	1560	N.exe	cmd.exe
PID 364 wrote to memory of 2120	364	cmd.exe	PING.EXE
PID 364 wrote to memory of 2120	364	cmd.exe	PING.EXE
PID 364 wrote to memory of 2120	364	cmd.exe	PING.EXE
PID 1004 wrote to memory of 4828	1004	svchost.exe	Remote Data.exe
PID 1004 wrote to memory of 4828	1004	svchost.exe	Remote Data.exe
PID 1004 wrote to memory of 4828	1004	svchost.exe	Remote Data.exe

C:\Users\Admin\AppData\Local\Temp\438ef7a15c45fe3d6ecdf0f78ff4c5e0ef77988c2bdcbc8928fee20409c23552.exe
"C:\Users\Admin\AppData\Local\Temp\438ef7a15c45fe3d6ecdf0f78ff4c5e0ef77988c2bdcbc8928fee20409c23552.exe"
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3220

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:4744

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:1560

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:364

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:2120

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:5072

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:1004

C:\Windows\SysWOW64\Remote Data.exe
"C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240598375.txt",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:4828

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3892

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:3936

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

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

MD5
ad7c25e33d742f7e525b1e00e0f1941e

SHA1
f9051be0d89bace732dd26c7769a673c063a1e01

SHA256
438ef7a15c45fe3d6ecdf0f78ff4c5e0ef77988c2bdcbc8928fee20409c23552

SHA512
2c285c7274a5bfbe53ef5d891fccc28b735fed22e09937440e62b44353e6b1f5ccf6508a1eaf37d4a307f095be40fee5c0cd1f6c657a910d976fe81dd7898540

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\240598375.txt
Filesize
899KB

MD5
8a6a4120354d7ee0e51ef05ca430cf4f

SHA1
f43d3334a93269601a3ea53f6a9463cfdb79be3b

SHA256
e2cf5f93e01a2391115d559f222f701fd9275e9aefccd64b945377c225d3922d

SHA512
d12852f5ae6e6643ce2278f6e2de0994f57c80725f291b4dfb2e0ba368ee78e550ceea4bd0e460b7d0a7a23f2fbe0f0166669a829c88506c6ad062c67592d347

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

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/1560-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1560-23-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1560-19-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1560-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3892-26-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3892-29-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3892-28-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3936-37-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3936-39-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3936-41-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads