gh0strat | 4a5129eb53815a6830b40684c91f6898b01e4037d2aaa4ba31747744d1454bb6

General

Target

4a5129eb53815a6830b40684c91f6898b01e4037d2aaa4ba31747744d1454bb6.exe
Size

2.6MB
MD5

765fdc8c29cc7d10d41e68ae5c98d7f1
SHA1

9c5dcbd39d4d4b3e63f9114ae55cad548c9bf7f8
SHA256

4a5129eb53815a6830b40684c91f6898b01e4037d2aaa4ba31747744d1454bb6
SHA512

5a35b99fe62d1a507dc3377292459908afe204078e3a6554cbe8fcd76218bb83a5b979e90d12e9ed0374ea5a526311595a5b57370364c492b2b7bd460d2b907a
SSDEEP

49152:tCwsbCANnKXferL7Vwe/Gg0P+WhfDmn2q:Qws2ANnKXOaeOgmhfDmn2q

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/4044-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4044-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4044-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3368-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3368-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3800-47-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3800-50-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3800-52-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

Processes:

resource	yara_rule
C:\Windows\SysWOW64\240599828.txt	family_gh0strat
behavioral2/memory/4044-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4044-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4044-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3368-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3368-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3800-47-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3800-50-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3800-52-0x0000000010000000-0x00000000101B6000-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\\240599828.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

4864 R.exe
4044 N.exe
3368 TXPlatfor.exe
3800 TXPlatfor.exe
1772 Remote Data.exe
Loads dropped DLL 3 IoCs

Processes:

R.exesvchost.exeRemote Data.exe

pid process

4864 R.exe
4712 svchost.exe
1772 Remote Data.exe

pid	process
4864	R.exe
4044	N.exe
3368	TXPlatfor.exe
3800	TXPlatfor.exe
1772	Remote Data.exe

pid	process
4864	R.exe
4712	svchost.exe
1772	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/4044-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4044-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4044-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4044-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3368-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3368-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3368-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3800-47-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3800-50-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3800-52-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

Processes:

R.exesvchost.exeN.exe

description	ioc	process
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
File created	C:\Windows\SysWOW64\240599828.txt	R.exe

Drops file in Program Files directory 1 IoCs

Processes:

4a5129eb53815a6830b40684c91f6898b01e4037d2aaa4ba31747744d1454bb6.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	4a5129eb53815a6830b40684c91f6898b01e4037d2aaa4ba31747744d1454bb6.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

4312 PING.EXE
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatfor.exe

pid process

3800 TXPlatfor.exe

pid	process
4312	PING.EXE

pid	process
3800	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

N.exeTXPlatfor.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	4044	N.exe
Token: SeLoadDriverPrivilege	3800	TXPlatfor.exe
Token: 33	3800	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	3800	TXPlatfor.exe
Token: 33	3800	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	3800	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

4a5129eb53815a6830b40684c91f6898b01e4037d2aaa4ba31747744d1454bb6.exe

pid	process
4800	4a5129eb53815a6830b40684c91f6898b01e4037d2aaa4ba31747744d1454bb6.exe
4800	4a5129eb53815a6830b40684c91f6898b01e4037d2aaa4ba31747744d1454bb6.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

4a5129eb53815a6830b40684c91f6898b01e4037d2aaa4ba31747744d1454bb6.exeN.exeTXPlatfor.execmd.exesvchost.exe

description	pid	process	target process
PID 4800 wrote to memory of 4864	4800	4a5129eb53815a6830b40684c91f6898b01e4037d2aaa4ba31747744d1454bb6.exe	R.exe
PID 4800 wrote to memory of 4864	4800	4a5129eb53815a6830b40684c91f6898b01e4037d2aaa4ba31747744d1454bb6.exe	R.exe
PID 4800 wrote to memory of 4864	4800	4a5129eb53815a6830b40684c91f6898b01e4037d2aaa4ba31747744d1454bb6.exe	R.exe
PID 4800 wrote to memory of 4044	4800	4a5129eb53815a6830b40684c91f6898b01e4037d2aaa4ba31747744d1454bb6.exe	N.exe
PID 4800 wrote to memory of 4044	4800	4a5129eb53815a6830b40684c91f6898b01e4037d2aaa4ba31747744d1454bb6.exe	N.exe
PID 4800 wrote to memory of 4044	4800	4a5129eb53815a6830b40684c91f6898b01e4037d2aaa4ba31747744d1454bb6.exe	N.exe
PID 4044 wrote to memory of 3624	4044	N.exe	cmd.exe
PID 4044 wrote to memory of 3624	4044	N.exe	cmd.exe
PID 4044 wrote to memory of 3624	4044	N.exe	cmd.exe
PID 3368 wrote to memory of 3800	3368	TXPlatfor.exe	TXPlatfor.exe
PID 3368 wrote to memory of 3800	3368	TXPlatfor.exe	TXPlatfor.exe
PID 3368 wrote to memory of 3800	3368	TXPlatfor.exe	TXPlatfor.exe
PID 3624 wrote to memory of 4312	3624	cmd.exe	PING.EXE
PID 3624 wrote to memory of 4312	3624	cmd.exe	PING.EXE
PID 3624 wrote to memory of 4312	3624	cmd.exe	PING.EXE
PID 4712 wrote to memory of 1772	4712	svchost.exe	Remote Data.exe
PID 4712 wrote to memory of 1772	4712	svchost.exe	Remote Data.exe
PID 4712 wrote to memory of 1772	4712	svchost.exe	Remote Data.exe

C:\Users\Admin\AppData\Local\Temp\4a5129eb53815a6830b40684c91f6898b01e4037d2aaa4ba31747744d1454bb6.exe
"C:\Users\Admin\AppData\Local\Temp\4a5129eb53815a6830b40684c91f6898b01e4037d2aaa4ba31747744d1454bb6.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4800

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:4864

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:4044

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:3624

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:4312

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:2948

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:4712

C:\Windows\SysWOW64\Remote Data.exe
"C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240599828.txt",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:1772

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3368

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:3800

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
2.6MB

MD5
765fdc8c29cc7d10d41e68ae5c98d7f1

SHA1
9c5dcbd39d4d4b3e63f9114ae55cad548c9bf7f8

SHA256
4a5129eb53815a6830b40684c91f6898b01e4037d2aaa4ba31747744d1454bb6

SHA512
5a35b99fe62d1a507dc3377292459908afe204078e3a6554cbe8fcd76218bb83a5b979e90d12e9ed0374ea5a526311595a5b57370364c492b2b7bd460d2b907a

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\240599828.txt

Filesize
899KB

MD5
77d9be8c587a924bd0c13a2e1efd54e3

SHA1
e1be15f07d19d33d55e54cd4f13256e721fff54f

SHA256
1db274a822e24672988584bc4745cafa2a39b13cd201e30469642e22837195ea

SHA512
19d15d94e15d45c02c8df6b09ada8f53a9e3eb0ff76a7e8b8388940efc6c51bdb4cfad6e20db7cd3ee82fc14fd3217d531da5403fb4cbe35e53a2898de8af10a

Download Submit
C:\Windows\SysWOW64\Remote Data.exe

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/3368-26-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3368-29-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3368-28-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3800-47-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3800-52-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3800-50-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4044-19-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4044-23-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4044-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4044-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads