gh0strat | 85457dc7375a362ebdd8db1d0bd9e6e7bb159e6efde255e75c879ee34392f204

General

Target

85457dc7375a362ebdd8db1d0bd9e6e7bb159e6efde255e75c879ee34392f204.exe
Size

2.9MB
MD5

238293a30bd8b6edf0905317615fcc2f
SHA1

54301620f7705db7fae2386bb550de58c41ade56
SHA256

85457dc7375a362ebdd8db1d0bd9e6e7bb159e6efde255e75c879ee34392f204
SHA512

f07e5e4f4305696caa69042391cbb224238806c277a9bf65c88267d2131efc65fa112d0ab279e718f8184ce008f4c5bf1a08b0fb1a05d3b9b45996ba47022011
SSDEEP

24576:1CwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nHt:1CwsbCANnKXferL7Vwe/Gg0P+WhOrksr

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/1604-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1604-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1604-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4052-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4052-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/408-36-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/408-38-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/408-52-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

Processes:

resource	yara_rule
C:\Windows\SysWOW64\240602671.txt	family_gh0strat
behavioral2/memory/1604-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1604-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1604-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4052-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4052-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/408-36-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/408-38-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/408-52-0x0000000010000000-0x00000000101B6000-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\\240602671.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

4588 R.exe
1604 N.exe
4052 TXPlatfor.exe
408 TXPlatfor.exe
2592 Remote Data.exe
Loads dropped DLL 3 IoCs

Processes:

R.exesvchost.exeRemote Data.exe

pid process

4588 R.exe
5016 svchost.exe
2592 Remote Data.exe

pid	process
4588	R.exe
1604	N.exe
4052	TXPlatfor.exe
408	TXPlatfor.exe
2592	Remote Data.exe

pid	process
4588	R.exe
5016	svchost.exe
2592	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/1604-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1604-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1604-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1604-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4052-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4052-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4052-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/408-36-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/408-38-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/408-52-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

Processes:

svchost.exeN.exeR.exe

description	ioc	process
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
File created	C:\Windows\SysWOW64\240602671.txt	R.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	R.exe

Drops file in Program Files directory 1 IoCs

Processes:

85457dc7375a362ebdd8db1d0bd9e6e7bb159e6efde255e75c879ee34392f204.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	85457dc7375a362ebdd8db1d0bd9e6e7bb159e6efde255e75c879ee34392f204.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

1764 PING.EXE
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatfor.exe

pid process

408 TXPlatfor.exe

pid	process
1764	PING.EXE

pid	process
408	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

N.exeTXPlatfor.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1604	N.exe
Token: SeLoadDriverPrivilege	408	TXPlatfor.exe
Token: 33	408	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	408	TXPlatfor.exe
Token: 33	408	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	408	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

85457dc7375a362ebdd8db1d0bd9e6e7bb159e6efde255e75c879ee34392f204.exe

pid	process
232	85457dc7375a362ebdd8db1d0bd9e6e7bb159e6efde255e75c879ee34392f204.exe
232	85457dc7375a362ebdd8db1d0bd9e6e7bb159e6efde255e75c879ee34392f204.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

85457dc7375a362ebdd8db1d0bd9e6e7bb159e6efde255e75c879ee34392f204.exeTXPlatfor.exeN.execmd.exesvchost.exe

description	pid	process	target process
PID 232 wrote to memory of 4588	232	85457dc7375a362ebdd8db1d0bd9e6e7bb159e6efde255e75c879ee34392f204.exe	R.exe
PID 232 wrote to memory of 4588	232	85457dc7375a362ebdd8db1d0bd9e6e7bb159e6efde255e75c879ee34392f204.exe	R.exe
PID 232 wrote to memory of 4588	232	85457dc7375a362ebdd8db1d0bd9e6e7bb159e6efde255e75c879ee34392f204.exe	R.exe
PID 232 wrote to memory of 1604	232	85457dc7375a362ebdd8db1d0bd9e6e7bb159e6efde255e75c879ee34392f204.exe	N.exe
PID 232 wrote to memory of 1604	232	85457dc7375a362ebdd8db1d0bd9e6e7bb159e6efde255e75c879ee34392f204.exe	N.exe
PID 232 wrote to memory of 1604	232	85457dc7375a362ebdd8db1d0bd9e6e7bb159e6efde255e75c879ee34392f204.exe	N.exe
PID 4052 wrote to memory of 408	4052	TXPlatfor.exe	TXPlatfor.exe
PID 4052 wrote to memory of 408	4052	TXPlatfor.exe	TXPlatfor.exe
PID 4052 wrote to memory of 408	4052	TXPlatfor.exe	TXPlatfor.exe
PID 1604 wrote to memory of 420	1604	N.exe	cmd.exe
PID 1604 wrote to memory of 420	1604	N.exe	cmd.exe
PID 1604 wrote to memory of 420	1604	N.exe	cmd.exe
PID 420 wrote to memory of 1764	420	cmd.exe	PING.EXE
PID 420 wrote to memory of 1764	420	cmd.exe	PING.EXE
PID 420 wrote to memory of 1764	420	cmd.exe	PING.EXE
PID 5016 wrote to memory of 2592	5016	svchost.exe	Remote Data.exe
PID 5016 wrote to memory of 2592	5016	svchost.exe	Remote Data.exe
PID 5016 wrote to memory of 2592	5016	svchost.exe	Remote Data.exe

C:\Users\Admin\AppData\Local\Temp\85457dc7375a362ebdd8db1d0bd9e6e7bb159e6efde255e75c879ee34392f204.exe
"C:\Users\Admin\AppData\Local\Temp\85457dc7375a362ebdd8db1d0bd9e6e7bb159e6efde255e75c879ee34392f204.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:232

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:4588

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:1604

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:420

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:1764

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:4460

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:5016

C:\Windows\SysWOW64\Remote Data.exe
"C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240602671.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
- Suspicious use of WriteProcessMemory
PID:4052

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:408

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\HD_X.dat
Filesize
2.9MB

MD5
238293a30bd8b6edf0905317615fcc2f

SHA1
54301620f7705db7fae2386bb550de58c41ade56

SHA256
85457dc7375a362ebdd8db1d0bd9e6e7bb159e6efde255e75c879ee34392f204

SHA512
f07e5e4f4305696caa69042391cbb224238806c277a9bf65c88267d2131efc65fa112d0ab279e718f8184ce008f4c5bf1a08b0fb1a05d3b9b45996ba47022011

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\240602671.txt
Filesize
899KB

MD5
d225666d27e2850bca4b955dc98d4805

SHA1
feed3908d43eff36f5d3ad7bc536b9cc79aa7955

SHA256
348b2d7d3546e3149185923b0a30ac60b7de7a744f86bc4b4d4bac58a6353836

SHA512
7cf15904d72330586fd9ef25d1d8556f5168318d93d6eb0b01ecf69c4c491335342be2365d895dc461310c2e7e921162181751920ea966781b6367a58d784c2c

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

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/408-36-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/408-52-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/408-38-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1604-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1604-23-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1604-19-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1604-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4052-26-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4052-28-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4052-29-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads