gh0strat | 4287d409e591cf2eea7de641c8bbbf47f9404781713e3b7ece6bbbd35a8aa738

General

Target

4287d409e591cf2eea7de641c8bbbf47f9404781713e3b7ece6bbbd35a8aa738.exe
Size

2.8MB
MD5

5d0fe0527ebd2d662e4b0e9651351a99
SHA1

9a3dda3a64eab1e6f290cf66ef0264d505628c47
SHA256

4287d409e591cf2eea7de641c8bbbf47f9404781713e3b7ece6bbbd35a8aa738
SHA512

e04ff68df3862a388f97b055d04830ae26b9103ff0cbee6aa39d1a7c80dcb26ee65dcbfe4e4f188c858f2f271466e68a297d180e34aef818abcf709df0e2404f
SSDEEP

49152:PCwsbCANnKXferL7Vwe/Gg0P+WhqPb/xBxlK5:aws2ANnKXOaeOgmh0xBxlK5

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 7 IoCs

Detect PurpleFox Rootkit.

rootkit

Processes:

resource	yara_rule
behavioral1/memory/2704-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2704-21-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2536-38-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2536-37-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2536-36-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2536-41-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2536-43-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 8 IoCs

Processes:

resource	yara_rule
\Windows\SysWOW64\259401130.txt	family_gh0strat
behavioral1/memory/2704-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2704-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2536-38-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2536-37-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2536-36-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2536-41-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2536-43-0x0000000010000000-0x00000000101B6000-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\\259401130.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

2384 R.exe
2704 N.exe
2776 TXPlatfor.exe
2536 TXPlatfor.exe
2504 Remote Data.exe

pid	process
2384	R.exe
2704	N.exe
2776	TXPlatfor.exe
2536	TXPlatfor.exe
2504	Remote Data.exe

Loads dropped DLL 7 IoCs

Processes:

4287d409e591cf2eea7de641c8bbbf47f9404781713e3b7ece6bbbd35a8aa738.exeR.exesvchost.exeTXPlatfor.exeRemote Data.exe

pid	process
2344	4287d409e591cf2eea7de641c8bbbf47f9404781713e3b7ece6bbbd35a8aa738.exe
2384	R.exe
1984	svchost.exe
2344	4287d409e591cf2eea7de641c8bbbf47f9404781713e3b7ece6bbbd35a8aa738.exe
2776	TXPlatfor.exe
1984	svchost.exe
2504	Remote Data.exe

UPX packed file 9 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/2704-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2704-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2704-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2536-38-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2536-37-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2536-36-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2536-34-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2536-41-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2536-43-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

Processes:

R.exesvchost.exeN.exe

description	ioc	process
File created	C:\Windows\SysWOW64\259401130.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

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2576 PING.EXE
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatfor.exe

pid process

2536 TXPlatfor.exe

pid	process
2576	PING.EXE

pid	process
2536	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

N.exeTXPlatfor.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2704	N.exe
Token: SeLoadDriverPrivilege	2536	TXPlatfor.exe
Token: 33	2536	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2536	TXPlatfor.exe
Token: 33	2536	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2536	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

4287d409e591cf2eea7de641c8bbbf47f9404781713e3b7ece6bbbd35a8aa738.exe

pid	process
2344	4287d409e591cf2eea7de641c8bbbf47f9404781713e3b7ece6bbbd35a8aa738.exe
2344	4287d409e591cf2eea7de641c8bbbf47f9404781713e3b7ece6bbbd35a8aa738.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

4287d409e591cf2eea7de641c8bbbf47f9404781713e3b7ece6bbbd35a8aa738.exeN.exeTXPlatfor.execmd.exesvchost.exe

description	pid	process	target process
PID 2344 wrote to memory of 2384	2344	4287d409e591cf2eea7de641c8bbbf47f9404781713e3b7ece6bbbd35a8aa738.exe	R.exe
PID 2344 wrote to memory of 2384	2344	4287d409e591cf2eea7de641c8bbbf47f9404781713e3b7ece6bbbd35a8aa738.exe	R.exe
PID 2344 wrote to memory of 2384	2344	4287d409e591cf2eea7de641c8bbbf47f9404781713e3b7ece6bbbd35a8aa738.exe	R.exe
PID 2344 wrote to memory of 2384	2344	4287d409e591cf2eea7de641c8bbbf47f9404781713e3b7ece6bbbd35a8aa738.exe	R.exe
PID 2344 wrote to memory of 2704	2344	4287d409e591cf2eea7de641c8bbbf47f9404781713e3b7ece6bbbd35a8aa738.exe	N.exe
PID 2344 wrote to memory of 2704	2344	4287d409e591cf2eea7de641c8bbbf47f9404781713e3b7ece6bbbd35a8aa738.exe	N.exe
PID 2344 wrote to memory of 2704	2344	4287d409e591cf2eea7de641c8bbbf47f9404781713e3b7ece6bbbd35a8aa738.exe	N.exe
PID 2344 wrote to memory of 2704	2344	4287d409e591cf2eea7de641c8bbbf47f9404781713e3b7ece6bbbd35a8aa738.exe	N.exe
PID 2344 wrote to memory of 2704	2344	4287d409e591cf2eea7de641c8bbbf47f9404781713e3b7ece6bbbd35a8aa738.exe	N.exe
PID 2344 wrote to memory of 2704	2344	4287d409e591cf2eea7de641c8bbbf47f9404781713e3b7ece6bbbd35a8aa738.exe	N.exe
PID 2344 wrote to memory of 2704	2344	4287d409e591cf2eea7de641c8bbbf47f9404781713e3b7ece6bbbd35a8aa738.exe	N.exe
PID 2704 wrote to memory of 2660	2704	N.exe	cmd.exe
PID 2704 wrote to memory of 2660	2704	N.exe	cmd.exe
PID 2704 wrote to memory of 2660	2704	N.exe	cmd.exe
PID 2704 wrote to memory of 2660	2704	N.exe	cmd.exe
PID 2776 wrote to memory of 2536	2776	TXPlatfor.exe	TXPlatfor.exe
PID 2776 wrote to memory of 2536	2776	TXPlatfor.exe	TXPlatfor.exe
PID 2776 wrote to memory of 2536	2776	TXPlatfor.exe	TXPlatfor.exe
PID 2776 wrote to memory of 2536	2776	TXPlatfor.exe	TXPlatfor.exe
PID 2776 wrote to memory of 2536	2776	TXPlatfor.exe	TXPlatfor.exe
PID 2776 wrote to memory of 2536	2776	TXPlatfor.exe	TXPlatfor.exe
PID 2776 wrote to memory of 2536	2776	TXPlatfor.exe	TXPlatfor.exe
PID 2660 wrote to memory of 2576	2660	cmd.exe	PING.EXE
PID 2660 wrote to memory of 2576	2660	cmd.exe	PING.EXE
PID 2660 wrote to memory of 2576	2660	cmd.exe	PING.EXE
PID 2660 wrote to memory of 2576	2660	cmd.exe	PING.EXE
PID 1984 wrote to memory of 2504	1984	svchost.exe	Remote Data.exe
PID 1984 wrote to memory of 2504	1984	svchost.exe	Remote Data.exe
PID 1984 wrote to memory of 2504	1984	svchost.exe	Remote Data.exe
PID 1984 wrote to memory of 2504	1984	svchost.exe	Remote Data.exe

C:\Users\Admin\AppData\Local\Temp\4287d409e591cf2eea7de641c8bbbf47f9404781713e3b7ece6bbbd35a8aa738.exe
"C:\Users\Admin\AppData\Local\Temp\4287d409e591cf2eea7de641c8bbbf47f9404781713e3b7ece6bbbd35a8aa738.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2344

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:2384

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:2704

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:2660

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:2576

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:2592

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:1984

C:\Windows\SysWOW64\Remote Data.exe
"C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259401130.txt",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:2504

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2776

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:2536

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

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
5d0fe0527ebd2d662e4b0e9651351a99

SHA1
9a3dda3a64eab1e6f290cf66ef0264d505628c47

SHA256
4287d409e591cf2eea7de641c8bbbf47f9404781713e3b7ece6bbbd35a8aa738

SHA512
e04ff68df3862a388f97b055d04830ae26b9103ff0cbee6aa39d1a7c80dcb26ee65dcbfe4e4f188c858f2f271466e68a297d180e34aef818abcf709df0e2404f

Download Submit
\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\259401130.txt

Filesize
899KB

MD5
ec47c805d67225ca86120644f981ae99

SHA1
91fb199c66a2b645510809c103f655365d94cd4e

SHA256
b82182f21041f1a0ec7482966843023b7c03f5547d4ccb2c1b2a990fd5ad515a

SHA512
a563927ae4bb9bfc4d43fc0ef301191a21284225a91a520b38318da8a4a02348eb99b91d17d23ff9843c3938a5a0d8ab7ec17daa19b1b3ac10ad3ce68a8bd330

Download Submit
\Windows\SysWOW64\Remote Data.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/2536-34-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2536-38-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2536-37-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2536-36-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2536-41-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2536-43-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2704-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2704-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2704-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads