gh0strat | 86f10c175ab692c5204b73b5d462e2d4e9819768bbb13219949c9f20f1a8cc26

General

Target

86f10c175ab692c5204b73b5d462e2d4e9819768bbb13219949c9f20f1a8cc26.exe
Size

4.6MB
MD5

88d022a5630a3152250258cf6984bb44
SHA1

c91464d88cd662093adae482e46056f186f47d7a
SHA256

86f10c175ab692c5204b73b5d462e2d4e9819768bbb13219949c9f20f1a8cc26
SHA512

651cd4ab09f9a78534e94abe615be6e5c0a73ea0eaf9603fa9b3bd759038a81cc07823f03420bab4cb40db037d87620b6a85d7fc6040a4f79130391849cf1a4d
SSDEEP

98304:Sws2ANnKXOaeOgmhCF3V9+b5YBDX6AhPi:IKXbeO72F9+b5IDX6IPi

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/4636-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4636-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4636-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1592-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1592-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4684-39-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4684-44-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4684-58-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

Processes:

resource	yara_rule
C:\Windows\SysWOW64\240599312.txt	family_gh0strat
behavioral2/memory/4636-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4636-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4636-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1592-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1592-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4684-39-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4684-44-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4684-58-0x0000000010000000-0x00000000101B6000-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\\240599312.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_86f10c175ab692c5204b73b5d462e2d4e9819768bbb13219949c9f20f1a8cc26.exeRemote Data.exe

pid	process
2308	R.exe
4636	N.exe
1592	TXPlatfor.exe
4684	TXPlatfor.exe
2192	HD_86f10c175ab692c5204b73b5d462e2d4e9819768bbb13219949c9f20f1a8cc26.exe
3516	Remote Data.exe

Loads dropped DLL 3 IoCs

Processes:

R.exesvchost.exeRemote Data.exe

pid process

2308 R.exe
820 svchost.exe
3516 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/4636-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4636-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4636-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4636-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1592-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1592-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4684-39-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4684-44-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1592-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4684-58-0x0000000010000000-0x00000000101B6000-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\240599312.txt	R.exe

Drops file in Program Files directory 1 IoCs

Processes:

86f10c175ab692c5204b73b5d462e2d4e9819768bbb13219949c9f20f1a8cc26.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	86f10c175ab692c5204b73b5d462e2d4e9819768bbb13219949c9f20f1a8cc26.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

1612 PING.EXE

pid	process
1612	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

86f10c175ab692c5204b73b5d462e2d4e9819768bbb13219949c9f20f1a8cc26.exe

pid	process
4016	86f10c175ab692c5204b73b5d462e2d4e9819768bbb13219949c9f20f1a8cc26.exe
4016	86f10c175ab692c5204b73b5d462e2d4e9819768bbb13219949c9f20f1a8cc26.exe

Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatfor.exe

pid process

4684 TXPlatfor.exe

pid	process
4684	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

N.exeTXPlatfor.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	4636	N.exe
Token: SeLoadDriverPrivilege	4684	TXPlatfor.exe
Token: 33	4684	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	4684	TXPlatfor.exe
Token: 33	4684	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	4684	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

86f10c175ab692c5204b73b5d462e2d4e9819768bbb13219949c9f20f1a8cc26.exe

pid	process
4016	86f10c175ab692c5204b73b5d462e2d4e9819768bbb13219949c9f20f1a8cc26.exe
4016	86f10c175ab692c5204b73b5d462e2d4e9819768bbb13219949c9f20f1a8cc26.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

86f10c175ab692c5204b73b5d462e2d4e9819768bbb13219949c9f20f1a8cc26.exeN.exeTXPlatfor.execmd.exesvchost.exe

description	pid	process	target process
PID 4016 wrote to memory of 2308	4016	86f10c175ab692c5204b73b5d462e2d4e9819768bbb13219949c9f20f1a8cc26.exe	R.exe
PID 4016 wrote to memory of 2308	4016	86f10c175ab692c5204b73b5d462e2d4e9819768bbb13219949c9f20f1a8cc26.exe	R.exe
PID 4016 wrote to memory of 2308	4016	86f10c175ab692c5204b73b5d462e2d4e9819768bbb13219949c9f20f1a8cc26.exe	R.exe
PID 4016 wrote to memory of 4636	4016	86f10c175ab692c5204b73b5d462e2d4e9819768bbb13219949c9f20f1a8cc26.exe	N.exe
PID 4016 wrote to memory of 4636	4016	86f10c175ab692c5204b73b5d462e2d4e9819768bbb13219949c9f20f1a8cc26.exe	N.exe
PID 4016 wrote to memory of 4636	4016	86f10c175ab692c5204b73b5d462e2d4e9819768bbb13219949c9f20f1a8cc26.exe	N.exe
PID 4636 wrote to memory of 1904	4636	N.exe	cmd.exe
PID 4636 wrote to memory of 1904	4636	N.exe	cmd.exe
PID 4636 wrote to memory of 1904	4636	N.exe	cmd.exe
PID 1592 wrote to memory of 4684	1592	TXPlatfor.exe	TXPlatfor.exe
PID 1592 wrote to memory of 4684	1592	TXPlatfor.exe	TXPlatfor.exe
PID 1592 wrote to memory of 4684	1592	TXPlatfor.exe	TXPlatfor.exe
PID 4016 wrote to memory of 2192	4016	86f10c175ab692c5204b73b5d462e2d4e9819768bbb13219949c9f20f1a8cc26.exe	HD_86f10c175ab692c5204b73b5d462e2d4e9819768bbb13219949c9f20f1a8cc26.exe
PID 4016 wrote to memory of 2192	4016	86f10c175ab692c5204b73b5d462e2d4e9819768bbb13219949c9f20f1a8cc26.exe	HD_86f10c175ab692c5204b73b5d462e2d4e9819768bbb13219949c9f20f1a8cc26.exe
PID 4016 wrote to memory of 2192	4016	86f10c175ab692c5204b73b5d462e2d4e9819768bbb13219949c9f20f1a8cc26.exe	HD_86f10c175ab692c5204b73b5d462e2d4e9819768bbb13219949c9f20f1a8cc26.exe
PID 1904 wrote to memory of 1612	1904	cmd.exe	PING.EXE
PID 1904 wrote to memory of 1612	1904	cmd.exe	PING.EXE
PID 1904 wrote to memory of 1612	1904	cmd.exe	PING.EXE
PID 820 wrote to memory of 3516	820	svchost.exe	Remote Data.exe
PID 820 wrote to memory of 3516	820	svchost.exe	Remote Data.exe
PID 820 wrote to memory of 3516	820	svchost.exe	Remote Data.exe

C:\Users\Admin\AppData\Local\Temp\86f10c175ab692c5204b73b5d462e2d4e9819768bbb13219949c9f20f1a8cc26.exe
"C:\Users\Admin\AppData\Local\Temp\86f10c175ab692c5204b73b5d462e2d4e9819768bbb13219949c9f20f1a8cc26.exe"
1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4016

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:2308

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:4636

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:1904

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:1612

C:\Users\Admin\AppData\Local\Temp\HD_86f10c175ab692c5204b73b5d462e2d4e9819768bbb13219949c9f20f1a8cc26.exe
C:\Users\Admin\AppData\Local\Temp\HD_86f10c175ab692c5204b73b5d462e2d4e9819768bbb13219949c9f20f1a8cc26.exe
2⤵
- Executes dropped EXE
PID:2192

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:1668

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:820

C:\Windows\SysWOW64\Remote Data.exe
"C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240599312.txt",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:3516

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1592

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:4684

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_86f10c175ab692c5204b73b5d462e2d4e9819768bbb13219949c9f20f1a8cc26.exe

Filesize
1.8MB

MD5
6071f70f6eafc245f799dcc4cdbdbf3e

SHA1
62b74a443f01bcefd788c93393c8d015df250c4e

SHA256
8ca62f3d79e2a502794d543180eea176565dc9cf76fdae43d1217ecdaa1f78ef

SHA512
5e529fc13208d2eb1b11290051397f9c8eaa5a4ab0691b148eae3fc633b2d41a496e786a8f6a2a439305231bd78adedf5fbca595ac1ccd97e094e43496a4326e

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

Filesize
2.8MB

MD5
1d903ef9478f6d906d9be45f695af66b

SHA1
38e6d51b31ff8ecc348e50404ff0b30504898e93

SHA256
be7ba0dfa2873b9256fc38ec5c068ec0715433c3cf8a032fe02e88da732563ba

SHA512
764e53f5edb45fdb598c5664e2cae90fcf06c1ce7da71d0d66760f841d1b242c03ae89087e64d24d582bd30412fb91ed7404c756762b3971441ae9edbaddf396

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\240599312.txt

Filesize
899KB

MD5
b198f4d4b0e0f7feb28cbadcabf8e540

SHA1
a132319cdf20217c468511a7eb4f28a439cb6267

SHA256
5ea8d9c8eb0cf1ec9f4acb44d9833d8b8f112c8aeec823af30ac1f737ef3a9a9

SHA512
2ea17f2ebfd1ffb4a29f2a500159bbc54545bceb55f9c7a6fa2c03cee1414902caaf70788cc47ba67083d6adfd08efd25fbe0ec5ccfab0fbe3d84e01325a3cd7

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

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/1592-26-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1592-28-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1592-29-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4636-23-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4636-19-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4636-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4636-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4684-39-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4684-44-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4684-58-0x0000000010000000-0x00000000101B6000-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