gh0strat | 782e17f1ce4815c8f57d38bdab29b3d0ce9a76af6580867ad37f7d24b5705bcd

General

Target

782e17f1ce4815c8f57d38bdab29b3d0ce9a76af6580867ad37f7d24b5705bcd.exe
Size

3.5MB
MD5

f3fc24a5b8022e9dc479e9566a15dc38
SHA1

cb51fa6c4ba318529bb2d4bdd9b4418619575b8c
SHA256

782e17f1ce4815c8f57d38bdab29b3d0ce9a76af6580867ad37f7d24b5705bcd
SHA512

19587bd8703f17a222268cea3bb55db1701f32ad32a7c2073be76a68427b1562f329fe733b0016912a6d681dab8c52981881ed5c8bd8faaa8622d55c232ba4de
SSDEEP

49152:ZCwsbCANnKXferL7Vwe/Gg0P+WhwJDmn2T0YZZuOe:Uws2ANnKXOaeOgmhwJDmn2T0YZZuD

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/3812-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3812-21-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3812-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3096-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3096-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4788-40-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4788-44-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4788-45-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

Processes:

resource	yara_rule
C:\Windows\SysWOW64\240598296.txt	family_gh0strat
behavioral2/memory/3812-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3812-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3812-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3096-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3096-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4788-40-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4788-44-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4788-45-0x0000000010000000-0x00000000101B6000-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\\240598296.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_782e17f1ce4815c8f57d38bdab29b3d0ce9a76af6580867ad37f7d24b5705bcd.exeRemote Data.exe

pid	process
432	R.exe
3812	N.exe
3096	TXPlatfor.exe
4788	TXPlatfor.exe
3808	HD_782e17f1ce4815c8f57d38bdab29b3d0ce9a76af6580867ad37f7d24b5705bcd.exe
1264	Remote Data.exe

Loads dropped DLL 3 IoCs

Processes:

R.exesvchost.exeRemote Data.exe

pid process

432 R.exe
1412 svchost.exe
1264 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/3812-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3812-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3812-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3812-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3096-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3096-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3096-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4788-40-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4788-44-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4788-45-0x0000000010000000-0x00000000101B6000-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\240598296.txt	R.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	R.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

4704 PING.EXE

pid	process
4704	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

782e17f1ce4815c8f57d38bdab29b3d0ce9a76af6580867ad37f7d24b5705bcd.exe

pid	process
4172	782e17f1ce4815c8f57d38bdab29b3d0ce9a76af6580867ad37f7d24b5705bcd.exe
4172	782e17f1ce4815c8f57d38bdab29b3d0ce9a76af6580867ad37f7d24b5705bcd.exe

Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatfor.exe

pid process

4788 TXPlatfor.exe

pid	process
4788	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

N.exeTXPlatfor.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3812	N.exe
Token: SeLoadDriverPrivilege	4788	TXPlatfor.exe
Token: 33	4788	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	4788	TXPlatfor.exe
Token: 33	4788	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	4788	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

782e17f1ce4815c8f57d38bdab29b3d0ce9a76af6580867ad37f7d24b5705bcd.exe

pid	process
4172	782e17f1ce4815c8f57d38bdab29b3d0ce9a76af6580867ad37f7d24b5705bcd.exe
4172	782e17f1ce4815c8f57d38bdab29b3d0ce9a76af6580867ad37f7d24b5705bcd.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

782e17f1ce4815c8f57d38bdab29b3d0ce9a76af6580867ad37f7d24b5705bcd.exeTXPlatfor.exeN.execmd.exesvchost.exe

description	pid	process	target process
PID 4172 wrote to memory of 432	4172	782e17f1ce4815c8f57d38bdab29b3d0ce9a76af6580867ad37f7d24b5705bcd.exe	R.exe
PID 4172 wrote to memory of 432	4172	782e17f1ce4815c8f57d38bdab29b3d0ce9a76af6580867ad37f7d24b5705bcd.exe	R.exe
PID 4172 wrote to memory of 432	4172	782e17f1ce4815c8f57d38bdab29b3d0ce9a76af6580867ad37f7d24b5705bcd.exe	R.exe
PID 4172 wrote to memory of 3812	4172	782e17f1ce4815c8f57d38bdab29b3d0ce9a76af6580867ad37f7d24b5705bcd.exe	N.exe
PID 4172 wrote to memory of 3812	4172	782e17f1ce4815c8f57d38bdab29b3d0ce9a76af6580867ad37f7d24b5705bcd.exe	N.exe
PID 4172 wrote to memory of 3812	4172	782e17f1ce4815c8f57d38bdab29b3d0ce9a76af6580867ad37f7d24b5705bcd.exe	N.exe
PID 3096 wrote to memory of 4788	3096	TXPlatfor.exe	TXPlatfor.exe
PID 3096 wrote to memory of 4788	3096	TXPlatfor.exe	TXPlatfor.exe
PID 3096 wrote to memory of 4788	3096	TXPlatfor.exe	TXPlatfor.exe
PID 3812 wrote to memory of 4552	3812	N.exe	cmd.exe
PID 3812 wrote to memory of 4552	3812	N.exe	cmd.exe
PID 3812 wrote to memory of 4552	3812	N.exe	cmd.exe
PID 4172 wrote to memory of 3808	4172	782e17f1ce4815c8f57d38bdab29b3d0ce9a76af6580867ad37f7d24b5705bcd.exe	HD_782e17f1ce4815c8f57d38bdab29b3d0ce9a76af6580867ad37f7d24b5705bcd.exe
PID 4172 wrote to memory of 3808	4172	782e17f1ce4815c8f57d38bdab29b3d0ce9a76af6580867ad37f7d24b5705bcd.exe	HD_782e17f1ce4815c8f57d38bdab29b3d0ce9a76af6580867ad37f7d24b5705bcd.exe
PID 4552 wrote to memory of 4704	4552	cmd.exe	PING.EXE
PID 4552 wrote to memory of 4704	4552	cmd.exe	PING.EXE
PID 4552 wrote to memory of 4704	4552	cmd.exe	PING.EXE
PID 1412 wrote to memory of 1264	1412	svchost.exe	Remote Data.exe
PID 1412 wrote to memory of 1264	1412	svchost.exe	Remote Data.exe
PID 1412 wrote to memory of 1264	1412	svchost.exe	Remote Data.exe

C:\Users\Admin\AppData\Local\Temp\782e17f1ce4815c8f57d38bdab29b3d0ce9a76af6580867ad37f7d24b5705bcd.exe
"C:\Users\Admin\AppData\Local\Temp\782e17f1ce4815c8f57d38bdab29b3d0ce9a76af6580867ad37f7d24b5705bcd.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4172

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:432

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:3812

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:4552

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:4704

C:\Users\Admin\AppData\Local\Temp\HD_782e17f1ce4815c8f57d38bdab29b3d0ce9a76af6580867ad37f7d24b5705bcd.exe
C:\Users\Admin\AppData\Local\Temp\HD_782e17f1ce4815c8f57d38bdab29b3d0ce9a76af6580867ad37f7d24b5705bcd.exe
2⤵
- Executes dropped EXE
PID:3808

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:4716

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:1412

C:\Windows\SysWOW64\Remote Data.exe
"C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240598296.txt",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:1264

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3096

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:4788

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_782e17f1ce4815c8f57d38bdab29b3d0ce9a76af6580867ad37f7d24b5705bcd.exe

Filesize
810KB

MD5
1e31347dfc5abf4855ae26caa44ed094

SHA1
2b32b157bbd604b17769902e3135f8c9f7881569

SHA256
7bc73a0172d304c88d973139de3955c3456d51c8592e618f03ee3710ef291960

SHA512
e6498ea2729b396ca7c407cbbf858db3b834d0819e3d6f0272a6689c30f560d3f40575e97252e7734c9d74788f52f1487d185ee79cc7741b832fd4047beb3efe

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

Filesize
2.7MB

MD5
38cc0a684279c19b41c55109aac50d90

SHA1
4b7ec9154d0e3ae331fcce06b69beeb3d7454b69

SHA256
a49d65d226568be7b2b66774db17ea3dcb7412d780e400f730c36c3a81b7570c

SHA512
80a392506d31735b760b20128136d827933e7db7bcc07c09673dcfb75382dc586d3d76e7236ec7a5c9e722ec88fd6d757516f8a43c6c4f08464ecedfb6685d85

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\240598296.txt

Filesize
899KB

MD5
751213f489891fca409ce8575d2787a7

SHA1
e046ec5b4293e3fdac8dfd471b98d3c652b04b0c

SHA256
f3e79a1e025e38bfb58d4d1251a46eccb50fd6a0ef2e62bfd10be5ff7d53e682

SHA512
aff881f79fd971e593b4a042d3b2dd71288ccf40c650a7e40bb3353261df88104bd868c836b81102b81aeb39a42b6385f237d275abba868ba8fb11d98cf9d7ac

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

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/3096-29-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3096-26-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3096-28-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3812-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3812-19-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3812-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3812-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4788-40-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4788-44-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4788-45-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads