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 5 IoCs

Detect PurpleFox Rootkit.

rootkit

Processes:

resource	yara_rule
behavioral1/memory/2648-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2648-21-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1396-38-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1396-42-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1396-43-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 6 IoCs

Processes:

resource	yara_rule
\Windows\SysWOW64\259397136.txt	family_gh0strat
behavioral1/memory/2648-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2648-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1396-38-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1396-42-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1396-43-0x0000000010000000-0x00000000101B6000-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\\259397136.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

2192 R.exe
2648 N.exe
2800 TXPlatfor.exe
1396 TXPlatfor.exe
2592 Remote Data.exe

pid	process
2192	R.exe
2648	N.exe
2800	TXPlatfor.exe
1396	TXPlatfor.exe
2592	Remote Data.exe

Loads dropped DLL 7 IoCs

Processes:

438ef7a15c45fe3d6ecdf0f78ff4c5e0ef77988c2bdcbc8928fee20409c23552.exeR.exesvchost.exeTXPlatfor.exeRemote Data.exe

pid	process
1704	438ef7a15c45fe3d6ecdf0f78ff4c5e0ef77988c2bdcbc8928fee20409c23552.exe
2192	R.exe
2828	svchost.exe
1704	438ef7a15c45fe3d6ecdf0f78ff4c5e0ef77988c2bdcbc8928fee20409c23552.exe
2800	TXPlatfor.exe
2828	svchost.exe
2592	Remote Data.exe

UPX packed file 6 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/2648-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2648-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2648-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1396-38-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1396-42-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1396-43-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

Processes:

N.exeR.exesvchost.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\259397136.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

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2652 PING.EXE
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatfor.exe

pid process

1396 TXPlatfor.exe

pid	process
2652	PING.EXE

pid	process
1396	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

N.exeTXPlatfor.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2648	N.exe
Token: SeLoadDriverPrivilege	1396	TXPlatfor.exe
Token: 33	1396	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	1396	TXPlatfor.exe
Token: 33	1396	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	1396	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

438ef7a15c45fe3d6ecdf0f78ff4c5e0ef77988c2bdcbc8928fee20409c23552.exe

pid	process
1704	438ef7a15c45fe3d6ecdf0f78ff4c5e0ef77988c2bdcbc8928fee20409c23552.exe
1704	438ef7a15c45fe3d6ecdf0f78ff4c5e0ef77988c2bdcbc8928fee20409c23552.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

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

description	pid	process	target process
PID 1704 wrote to memory of 2192	1704	438ef7a15c45fe3d6ecdf0f78ff4c5e0ef77988c2bdcbc8928fee20409c23552.exe	R.exe
PID 1704 wrote to memory of 2192	1704	438ef7a15c45fe3d6ecdf0f78ff4c5e0ef77988c2bdcbc8928fee20409c23552.exe	R.exe
PID 1704 wrote to memory of 2192	1704	438ef7a15c45fe3d6ecdf0f78ff4c5e0ef77988c2bdcbc8928fee20409c23552.exe	R.exe
PID 1704 wrote to memory of 2192	1704	438ef7a15c45fe3d6ecdf0f78ff4c5e0ef77988c2bdcbc8928fee20409c23552.exe	R.exe
PID 1704 wrote to memory of 2648	1704	438ef7a15c45fe3d6ecdf0f78ff4c5e0ef77988c2bdcbc8928fee20409c23552.exe	N.exe
PID 1704 wrote to memory of 2648	1704	438ef7a15c45fe3d6ecdf0f78ff4c5e0ef77988c2bdcbc8928fee20409c23552.exe	N.exe
PID 1704 wrote to memory of 2648	1704	438ef7a15c45fe3d6ecdf0f78ff4c5e0ef77988c2bdcbc8928fee20409c23552.exe	N.exe
PID 1704 wrote to memory of 2648	1704	438ef7a15c45fe3d6ecdf0f78ff4c5e0ef77988c2bdcbc8928fee20409c23552.exe	N.exe
PID 1704 wrote to memory of 2648	1704	438ef7a15c45fe3d6ecdf0f78ff4c5e0ef77988c2bdcbc8928fee20409c23552.exe	N.exe
PID 1704 wrote to memory of 2648	1704	438ef7a15c45fe3d6ecdf0f78ff4c5e0ef77988c2bdcbc8928fee20409c23552.exe	N.exe
PID 1704 wrote to memory of 2648	1704	438ef7a15c45fe3d6ecdf0f78ff4c5e0ef77988c2bdcbc8928fee20409c23552.exe	N.exe
PID 2648 wrote to memory of 1544	2648	N.exe	cmd.exe
PID 2648 wrote to memory of 1544	2648	N.exe	cmd.exe
PID 2648 wrote to memory of 1544	2648	N.exe	cmd.exe
PID 2648 wrote to memory of 1544	2648	N.exe	cmd.exe
PID 2800 wrote to memory of 1396	2800	TXPlatfor.exe	TXPlatfor.exe
PID 2800 wrote to memory of 1396	2800	TXPlatfor.exe	TXPlatfor.exe
PID 2800 wrote to memory of 1396	2800	TXPlatfor.exe	TXPlatfor.exe
PID 2800 wrote to memory of 1396	2800	TXPlatfor.exe	TXPlatfor.exe
PID 2800 wrote to memory of 1396	2800	TXPlatfor.exe	TXPlatfor.exe
PID 2800 wrote to memory of 1396	2800	TXPlatfor.exe	TXPlatfor.exe
PID 2800 wrote to memory of 1396	2800	TXPlatfor.exe	TXPlatfor.exe
PID 1544 wrote to memory of 2652	1544	cmd.exe	PING.EXE
PID 1544 wrote to memory of 2652	1544	cmd.exe	PING.EXE
PID 1544 wrote to memory of 2652	1544	cmd.exe	PING.EXE
PID 1544 wrote to memory of 2652	1544	cmd.exe	PING.EXE
PID 2828 wrote to memory of 2592	2828	svchost.exe	Remote Data.exe
PID 2828 wrote to memory of 2592	2828	svchost.exe	Remote Data.exe
PID 2828 wrote to memory of 2592	2828	svchost.exe	Remote Data.exe
PID 2828 wrote to memory of 2592	2828	svchost.exe	Remote Data.exe

C:\Users\Admin\AppData\Local\Temp\438ef7a15c45fe3d6ecdf0f78ff4c5e0ef77988c2bdcbc8928fee20409c23552.exe
"C:\Users\Admin\AppData\Local\Temp\438ef7a15c45fe3d6ecdf0f78ff4c5e0ef77988c2bdcbc8928fee20409c23552.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1704

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:2192

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:2648

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:1544

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:2652

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:1276

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:2828

C:\Windows\SysWOW64\Remote Data.exe
"C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259397136.txt",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:2592

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2800

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:1396

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

MD5
8dc3adf1c490211971c1e2325f1424d2

SHA1
4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

SHA256
bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

SHA512
ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

Download Submit
\Windows\SysWOW64\259397136.txt
Filesize
899KB

MD5
8ed631c83c82b64fd64c4c23b9a4bb29

SHA1
16ecf0a06dc29c30b80b9f4515ab718b6a6891c1

SHA256
f37c17c50332d05aba5466703a457855e26415782382248aacab35eecc7344fa

SHA512
ac755b365594d103154b9d05048836ccb88f1492d17166cbf8ef9d8e123deceae471c2da70a59a8ae29d15623bef319b6c58233336c7f5b556881f597bb14cce

Download Submit
\Windows\SysWOW64\Remote Data.exe
Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/1396-38-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1396-42-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1396-43-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2648-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2648-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2648-18-0x0000000010000000-0x00000000101B6000-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