gh0strat | 95b8d4c53aab55130c8cf07e93e5661a55213c0c9d58cb8ccd7d64e1a55b5570

General

Target

95b8d4c53aab55130c8cf07e93e5661a55213c0c9d58cb8ccd7d64e1a55b5570.exe
Size

2.6MB
MD5

72d62582ae4e3fd39497ccb6eca32985
SHA1

dfc45b3c9cd33a77a7c17d4959d9efa4f666cf23
SHA256

95b8d4c53aab55130c8cf07e93e5661a55213c0c9d58cb8ccd7d64e1a55b5570
SHA512

041732c951939c9edbead62e6aec27fa5cd549b4fcc0fe4869f9050959bb369c1ce16253a4b7d32a0f53dcf27731d1331e6cc4cff3464f695c1539991e267f6d
SSDEEP

49152:yCwsbCANnKXferL7Vwe/Gg0P+WhbLTwM6mn2V:Vws2ANnKXOaeOgmhPTwM6mn2V

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/1660-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1660-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1660-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2528-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2528-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/880-50-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/880-54-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/880-57-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

Processes:

resource	yara_rule
C:\Windows\SysWOW64\240603078.txt	family_gh0strat
behavioral2/memory/1660-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1660-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1660-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2528-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2528-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/880-50-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/880-54-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/880-57-0x0000000010000000-0x00000000101B6000-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\\240603078.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 6 IoCs

Processes:

R.exeN.exeTXPlatfor.exeHD_95b8d4c53aab55130c8cf07e93e5661a55213c0c9d58cb8ccd7d64e1a55b5570.exeTXPlatfor.exeRemote Data.exe

pid	process
212	R.exe
1660	N.exe
2528	TXPlatfor.exe
1156	HD_95b8d4c53aab55130c8cf07e93e5661a55213c0c9d58cb8ccd7d64e1a55b5570.exe
880	TXPlatfor.exe
1436	Remote Data.exe

Loads dropped DLL 3 IoCs

Processes:

R.exesvchost.exeRemote Data.exe

pid process

212 R.exe
4996 svchost.exe
1436 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/1660-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1660-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1660-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1660-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2528-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2528-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2528-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/880-50-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/880-54-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/880-57-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

Processes:

R.exesvchost.exeN.exe

description	ioc	process
File created	C:\Windows\SysWOW64\240603078.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

Drops file in Program Files directory 1 IoCs

Processes:

95b8d4c53aab55130c8cf07e93e5661a55213c0c9d58cb8ccd7d64e1a55b5570.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	95b8d4c53aab55130c8cf07e93e5661a55213c0c9d58cb8ccd7d64e1a55b5570.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

624 PING.EXE

pid	process
624	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

95b8d4c53aab55130c8cf07e93e5661a55213c0c9d58cb8ccd7d64e1a55b5570.exe

pid	process
4752	95b8d4c53aab55130c8cf07e93e5661a55213c0c9d58cb8ccd7d64e1a55b5570.exe
4752	95b8d4c53aab55130c8cf07e93e5661a55213c0c9d58cb8ccd7d64e1a55b5570.exe

Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatfor.exe

pid process

880 TXPlatfor.exe

pid	process
880	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

N.exeTXPlatfor.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1660	N.exe
Token: SeLoadDriverPrivilege	880	TXPlatfor.exe
Token: 33	880	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	880	TXPlatfor.exe
Token: 33	880	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	880	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

95b8d4c53aab55130c8cf07e93e5661a55213c0c9d58cb8ccd7d64e1a55b5570.exe

pid	process
4752	95b8d4c53aab55130c8cf07e93e5661a55213c0c9d58cb8ccd7d64e1a55b5570.exe
4752	95b8d4c53aab55130c8cf07e93e5661a55213c0c9d58cb8ccd7d64e1a55b5570.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

95b8d4c53aab55130c8cf07e93e5661a55213c0c9d58cb8ccd7d64e1a55b5570.exeN.exeTXPlatfor.execmd.exesvchost.exe

description	pid	process	target process
PID 4752 wrote to memory of 212	4752	95b8d4c53aab55130c8cf07e93e5661a55213c0c9d58cb8ccd7d64e1a55b5570.exe	R.exe
PID 4752 wrote to memory of 212	4752	95b8d4c53aab55130c8cf07e93e5661a55213c0c9d58cb8ccd7d64e1a55b5570.exe	R.exe
PID 4752 wrote to memory of 212	4752	95b8d4c53aab55130c8cf07e93e5661a55213c0c9d58cb8ccd7d64e1a55b5570.exe	R.exe
PID 4752 wrote to memory of 1660	4752	95b8d4c53aab55130c8cf07e93e5661a55213c0c9d58cb8ccd7d64e1a55b5570.exe	N.exe
PID 4752 wrote to memory of 1660	4752	95b8d4c53aab55130c8cf07e93e5661a55213c0c9d58cb8ccd7d64e1a55b5570.exe	N.exe
PID 4752 wrote to memory of 1660	4752	95b8d4c53aab55130c8cf07e93e5661a55213c0c9d58cb8ccd7d64e1a55b5570.exe	N.exe
PID 1660 wrote to memory of 2364	1660	N.exe	cmd.exe
PID 1660 wrote to memory of 2364	1660	N.exe	cmd.exe
PID 1660 wrote to memory of 2364	1660	N.exe	cmd.exe
PID 4752 wrote to memory of 1156	4752	95b8d4c53aab55130c8cf07e93e5661a55213c0c9d58cb8ccd7d64e1a55b5570.exe	HD_95b8d4c53aab55130c8cf07e93e5661a55213c0c9d58cb8ccd7d64e1a55b5570.exe
PID 4752 wrote to memory of 1156	4752	95b8d4c53aab55130c8cf07e93e5661a55213c0c9d58cb8ccd7d64e1a55b5570.exe	HD_95b8d4c53aab55130c8cf07e93e5661a55213c0c9d58cb8ccd7d64e1a55b5570.exe
PID 2528 wrote to memory of 880	2528	TXPlatfor.exe	TXPlatfor.exe
PID 2528 wrote to memory of 880	2528	TXPlatfor.exe	TXPlatfor.exe
PID 2528 wrote to memory of 880	2528	TXPlatfor.exe	TXPlatfor.exe
PID 2364 wrote to memory of 624	2364	cmd.exe	PING.EXE
PID 2364 wrote to memory of 624	2364	cmd.exe	PING.EXE
PID 2364 wrote to memory of 624	2364	cmd.exe	PING.EXE
PID 4996 wrote to memory of 1436	4996	svchost.exe	Remote Data.exe
PID 4996 wrote to memory of 1436	4996	svchost.exe	Remote Data.exe
PID 4996 wrote to memory of 1436	4996	svchost.exe	Remote Data.exe

C:\Users\Admin\AppData\Local\Temp\95b8d4c53aab55130c8cf07e93e5661a55213c0c9d58cb8ccd7d64e1a55b5570.exe
"C:\Users\Admin\AppData\Local\Temp\95b8d4c53aab55130c8cf07e93e5661a55213c0c9d58cb8ccd7d64e1a55b5570.exe"
1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4752

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:212

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:1660

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:2364

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:624

C:\Users\Admin\AppData\Local\Temp\HD_95b8d4c53aab55130c8cf07e93e5661a55213c0c9d58cb8ccd7d64e1a55b5570.exe
C:\Users\Admin\AppData\Local\Temp\HD_95b8d4c53aab55130c8cf07e93e5661a55213c0c9d58cb8ccd7d64e1a55b5570.exe
2⤵
- Executes dropped EXE
PID:1156

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:1928

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:4996

C:\Windows\SysWOW64\Remote Data.exe
"C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240603078.txt",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:1436

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2528

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:880

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_95b8d4c53aab55130c8cf07e93e5661a55213c0c9d58cb8ccd7d64e1a55b5570.exe

Filesize
30KB

MD5
ca7abf4aea479f3891da7c29eed7a37b

SHA1
ce7386a31c5f42b1ccc796dbdb3023010d3b8951

SHA256
f24ea323f8e698ef111831a09089309cac8f4741b14768ec1a3a99d49a31ae2d

SHA512
a5db947314bee5880714722b5f9535a6d7f40da2a392855b3b9427239c10ee1d56a8f89f6c7bd129e3f26d15bd964c454d70af090d50ea03ffee8bb0743baea7

Download Submit
C:\Users\Admin\AppData\Local\Temp\HD_X.dat

Filesize
2.6MB

MD5
25411e8ec8c4480ab0c70c4b3e655e19

SHA1
899f104a98634d92b84ae9c9e1c96490268fbb84

SHA256
1a76391fc586fa9fb7466802dfaee2ecc19b9602b7d6e80b2c043e7d51e7a33d

SHA512
5cd2704436b0ddfa2e55dac9dde7438148513a2b65e8382458fb00e38ad7671754a97b431d848aff617f3c44e17c064de34c0a861a155d3b3c83335f5da0f153

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\240603078.txt

Filesize
899KB

MD5
36ab4ef71c79d487c1709bb34436a031

SHA1
7b55be78761560887ba11dc69c66548f698b6729

SHA256
63ae4563bc61dabbf72a6c5537af91ab6a870c44c6a1b541f4e41efcb2c4429f

SHA512
a5961b7aa9a1e6421a83412412f136bb131e7b7a4eb75878f79085ebfe23088e437b749683ed81fa1178347dc97bc5a7301b2a09ab9de7eea80507778767c2fa

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

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/880-50-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/880-54-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/880-57-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1660-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1660-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1660-23-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1660-19-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2528-29-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2528-28-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2528-26-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads