gh0strat | fb092937d34b307c850bf2ab0a64f67d7a76229b85834d6082a5877f5d0ae539

General

Target

fb092937d34b307c850bf2ab0a64f67d7a76229b85834d6082a5877f5d0ae539.exe
Size

6.3MB
MD5

c65babe7fff05d916746bd09315837c7
SHA1

4227012fdda690a2745463b2ca8c9848427b0593
SHA256

fb092937d34b307c850bf2ab0a64f67d7a76229b85834d6082a5877f5d0ae539
SHA512

ae866fa3bf72e900ba216395718629ca15b17f32e7f6d2e7247f29a28dbba72bb73bb3ff2573de0950dddef525ff9c70c8061d4030116dc2ddd2d0d548ea5e9f
SSDEEP

98304:tws2ANnKXOaeOgmhLyigPzUYm9uALfprsQ5nQf7UOR:3KXbeO7gsuAde

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/3700-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3700-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3700-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1936-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1936-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4840-39-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4840-44-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4840-45-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

Processes:

resource	yara_rule
C:\Windows\SysWOW64\240597406.txt	family_gh0strat
behavioral2/memory/3700-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3700-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3700-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1936-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1936-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4840-39-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4840-44-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4840-45-0x0000000010000000-0x00000000101B6000-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\\240597406.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.exeTXPlatfor.exeHD_fb092937d34b307c850bf2ab0a64f67d7a76229b85834d6082a5877f5d0ae539.exeRemote Data.exe

pid	process
4904	R.exe
3700	N.exe
1936	TXPlatfor.exe
4840	TXPlatfor.exe
5032	HD_fb092937d34b307c850bf2ab0a64f67d7a76229b85834d6082a5877f5d0ae539.exe
3244	Remote Data.exe

Loads dropped DLL 3 IoCs

Processes:

R.exesvchost.exeRemote Data.exe

pid process

4904 R.exe
4556 svchost.exe
3244 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/3700-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3700-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3700-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3700-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1936-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1936-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1936-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4840-39-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4840-44-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4840-45-0x0000000010000000-0x00000000101B6000-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\240597406.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

5076 PING.EXE

pid	process
5076	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

fb092937d34b307c850bf2ab0a64f67d7a76229b85834d6082a5877f5d0ae539.exe

pid	process
2596	fb092937d34b307c850bf2ab0a64f67d7a76229b85834d6082a5877f5d0ae539.exe
2596	fb092937d34b307c850bf2ab0a64f67d7a76229b85834d6082a5877f5d0ae539.exe

Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatfor.exe

pid process

4840 TXPlatfor.exe

pid	process
4840	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

N.exeTXPlatfor.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3700	N.exe
Token: SeLoadDriverPrivilege	4840	TXPlatfor.exe
Token: 33	4840	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	4840	TXPlatfor.exe
Token: 33	4840	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	4840	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

fb092937d34b307c850bf2ab0a64f67d7a76229b85834d6082a5877f5d0ae539.exeHD_fb092937d34b307c850bf2ab0a64f67d7a76229b85834d6082a5877f5d0ae539.exe

pid	process
2596	fb092937d34b307c850bf2ab0a64f67d7a76229b85834d6082a5877f5d0ae539.exe
2596	fb092937d34b307c850bf2ab0a64f67d7a76229b85834d6082a5877f5d0ae539.exe
5032	HD_fb092937d34b307c850bf2ab0a64f67d7a76229b85834d6082a5877f5d0ae539.exe
5032	HD_fb092937d34b307c850bf2ab0a64f67d7a76229b85834d6082a5877f5d0ae539.exe
5032	HD_fb092937d34b307c850bf2ab0a64f67d7a76229b85834d6082a5877f5d0ae539.exe
5032	HD_fb092937d34b307c850bf2ab0a64f67d7a76229b85834d6082a5877f5d0ae539.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

fb092937d34b307c850bf2ab0a64f67d7a76229b85834d6082a5877f5d0ae539.exeN.exeTXPlatfor.execmd.exesvchost.exe

description	pid	process	target process
PID 2596 wrote to memory of 4904	2596	fb092937d34b307c850bf2ab0a64f67d7a76229b85834d6082a5877f5d0ae539.exe	R.exe
PID 2596 wrote to memory of 4904	2596	fb092937d34b307c850bf2ab0a64f67d7a76229b85834d6082a5877f5d0ae539.exe	R.exe
PID 2596 wrote to memory of 4904	2596	fb092937d34b307c850bf2ab0a64f67d7a76229b85834d6082a5877f5d0ae539.exe	R.exe
PID 2596 wrote to memory of 3700	2596	fb092937d34b307c850bf2ab0a64f67d7a76229b85834d6082a5877f5d0ae539.exe	N.exe
PID 2596 wrote to memory of 3700	2596	fb092937d34b307c850bf2ab0a64f67d7a76229b85834d6082a5877f5d0ae539.exe	N.exe
PID 2596 wrote to memory of 3700	2596	fb092937d34b307c850bf2ab0a64f67d7a76229b85834d6082a5877f5d0ae539.exe	N.exe
PID 3700 wrote to memory of 1744	3700	N.exe	cmd.exe
PID 3700 wrote to memory of 1744	3700	N.exe	cmd.exe
PID 3700 wrote to memory of 1744	3700	N.exe	cmd.exe
PID 1936 wrote to memory of 4840	1936	TXPlatfor.exe	TXPlatfor.exe
PID 1936 wrote to memory of 4840	1936	TXPlatfor.exe	TXPlatfor.exe
PID 1936 wrote to memory of 4840	1936	TXPlatfor.exe	TXPlatfor.exe
PID 2596 wrote to memory of 5032	2596	fb092937d34b307c850bf2ab0a64f67d7a76229b85834d6082a5877f5d0ae539.exe	HD_fb092937d34b307c850bf2ab0a64f67d7a76229b85834d6082a5877f5d0ae539.exe
PID 2596 wrote to memory of 5032	2596	fb092937d34b307c850bf2ab0a64f67d7a76229b85834d6082a5877f5d0ae539.exe	HD_fb092937d34b307c850bf2ab0a64f67d7a76229b85834d6082a5877f5d0ae539.exe
PID 2596 wrote to memory of 5032	2596	fb092937d34b307c850bf2ab0a64f67d7a76229b85834d6082a5877f5d0ae539.exe	HD_fb092937d34b307c850bf2ab0a64f67d7a76229b85834d6082a5877f5d0ae539.exe
PID 1744 wrote to memory of 5076	1744	cmd.exe	PING.EXE
PID 1744 wrote to memory of 5076	1744	cmd.exe	PING.EXE
PID 1744 wrote to memory of 5076	1744	cmd.exe	PING.EXE
PID 4556 wrote to memory of 3244	4556	svchost.exe	Remote Data.exe
PID 4556 wrote to memory of 3244	4556	svchost.exe	Remote Data.exe
PID 4556 wrote to memory of 3244	4556	svchost.exe	Remote Data.exe

C:\Users\Admin\AppData\Local\Temp\fb092937d34b307c850bf2ab0a64f67d7a76229b85834d6082a5877f5d0ae539.exe
"C:\Users\Admin\AppData\Local\Temp\fb092937d34b307c850bf2ab0a64f67d7a76229b85834d6082a5877f5d0ae539.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2596

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:4904

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:3700

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:1744

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:5076

C:\Users\Admin\AppData\Local\Temp\HD_fb092937d34b307c850bf2ab0a64f67d7a76229b85834d6082a5877f5d0ae539.exe
C:\Users\Admin\AppData\Local\Temp\HD_fb092937d34b307c850bf2ab0a64f67d7a76229b85834d6082a5877f5d0ae539.exe
2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:5032

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:4968

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:4556

C:\Windows\SysWOW64\Remote Data.exe
"C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240597406.txt",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:3244

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1936

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:4840

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
2.3MB

MD5
f096f6a85c696ce77b82f5d00c41bd42

SHA1
b7f19f4471fe7f10ebdede7c174d20adcd08605f

SHA256
849ac5194e75b26718f8113960fc880721aa7b64a30b0fdbcd98f7dbd881ffc9

SHA512
17171b8e148de6e11bf4da17bbb87a994f9a21b31bfe4ae5f78ab17ce5482dc9d5f23f9bc10daa8a070633f4a10ed2d93c7bb2e9ae877b7dd44ad7d5a46e008f

Download Submit
C:\Users\Admin\AppData\Local\Temp\HD_fb092937d34b307c850bf2ab0a64f67d7a76229b85834d6082a5877f5d0ae539.exe
Filesize
4.0MB

MD5
cfd2bf041dd7f78948201bc9a90ecf4b

SHA1
b916136eabff745a326ea5840b489c66d3b06d63

SHA256
8fb722d018d97ee27843f7c655e2e9de99438b11fcf1ba5ea719d8bac2d37301

SHA512
22c06aef88f66ce4f281928a61c0c93957c062ec1f0da399ad5868fe1214dc052b8b6b07c15ca7afc3c02474f7ee0c906aab41e694986db0fe0b87dbac94c441

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\240597406.txt
Filesize
899KB

MD5
c79161a01908a29e91538958aef48efc

SHA1
441bedc7333773955e0069103e8e0a30c299efdf

SHA256
7f52ddae82bd4952b5ab62ef8d0fc3f59a6a76b2c678bba98f4013f86c767b60

SHA512
7e11357ce104bba3f08c5655af994cc282bf143b9073284686cdb82fced6e1a098f2d42a41d058294d76f7eafff945c615d8076d81b71075bb698804dedd527b

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

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/1936-28-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1936-26-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1936-29-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3700-23-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3700-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3700-19-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3700-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4840-39-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4840-44-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4840-45-0x0000000010000000-0x00000000101B6000-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