gh0strat | 043dc8eb161ba79247fea6cf7fd64f6ec69aecadce177724a67a96856598920a

General

Target

043dc8eb161ba79247fea6cf7fd64f6ec69aecadce177724a67a96856598920a.exe
Size

2.5MB
MD5

ee16c26e9e9d281b2d5b44a3eafa0d82
SHA1

07e12c0588379c369d488f433ab940d7df60aeb8
SHA256

043dc8eb161ba79247fea6cf7fd64f6ec69aecadce177724a67a96856598920a
SHA512

446741cb07667d7e47b93b7b53526433a26026fd414af2f041e78ab34337bb7ebb10e8a31ddccb23effef47b8397531c0e46b2086b7a92ed32ad56e22a546a78
SSDEEP

49152:oCwsbCANnKXferL7Vwe/Gg0P+Whh7vY7uW7+S:jws2ANnKXOaeOgmhhDY7uW7+S

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/4752-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4752-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4752-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/900-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/900-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2188-47-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2188-50-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2188-52-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

Processes:

resource	yara_rule
C:\Windows\SysWOW64\240601703.txt	family_gh0strat
behavioral2/memory/4752-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4752-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4752-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/900-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/900-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2188-47-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2188-50-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2188-52-0x0000000010000000-0x00000000101B6000-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\\240601703.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

2288 R.exe
4752 N.exe
900 TXPlatfor.exe
2188 TXPlatfor.exe
408 Remote Data.exe
Loads dropped DLL 3 IoCs

Processes:

R.exesvchost.exeRemote Data.exe

pid process

2288 R.exe
3692 svchost.exe
408 Remote Data.exe

pid	process
2288	R.exe
4752	N.exe
900	TXPlatfor.exe
2188	TXPlatfor.exe
408	Remote Data.exe

pid	process
2288	R.exe
3692	svchost.exe
408	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/4752-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4752-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4752-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4752-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/900-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/900-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/900-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2188-47-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2188-50-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2188-52-0x0000000010000000-0x00000000101B6000-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\240601703.txt	R.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	R.exe

Drops file in Program Files directory 1 IoCs

Processes:

043dc8eb161ba79247fea6cf7fd64f6ec69aecadce177724a67a96856598920a.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	043dc8eb161ba79247fea6cf7fd64f6ec69aecadce177724a67a96856598920a.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

2664 PING.EXE
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatfor.exe

pid process

2188 TXPlatfor.exe

pid	process
2664	PING.EXE

pid	process
2188	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

N.exeTXPlatfor.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	4752	N.exe
Token: SeLoadDriverPrivilege	2188	TXPlatfor.exe
Token: 33	2188	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2188	TXPlatfor.exe
Token: 33	2188	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2188	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

043dc8eb161ba79247fea6cf7fd64f6ec69aecadce177724a67a96856598920a.exe

pid	process
3812	043dc8eb161ba79247fea6cf7fd64f6ec69aecadce177724a67a96856598920a.exe
3812	043dc8eb161ba79247fea6cf7fd64f6ec69aecadce177724a67a96856598920a.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

043dc8eb161ba79247fea6cf7fd64f6ec69aecadce177724a67a96856598920a.exeN.exeTXPlatfor.execmd.exesvchost.exe

description	pid	process	target process
PID 3812 wrote to memory of 2288	3812	043dc8eb161ba79247fea6cf7fd64f6ec69aecadce177724a67a96856598920a.exe	R.exe
PID 3812 wrote to memory of 2288	3812	043dc8eb161ba79247fea6cf7fd64f6ec69aecadce177724a67a96856598920a.exe	R.exe
PID 3812 wrote to memory of 2288	3812	043dc8eb161ba79247fea6cf7fd64f6ec69aecadce177724a67a96856598920a.exe	R.exe
PID 3812 wrote to memory of 4752	3812	043dc8eb161ba79247fea6cf7fd64f6ec69aecadce177724a67a96856598920a.exe	N.exe
PID 3812 wrote to memory of 4752	3812	043dc8eb161ba79247fea6cf7fd64f6ec69aecadce177724a67a96856598920a.exe	N.exe
PID 3812 wrote to memory of 4752	3812	043dc8eb161ba79247fea6cf7fd64f6ec69aecadce177724a67a96856598920a.exe	N.exe
PID 4752 wrote to memory of 836	4752	N.exe	cmd.exe
PID 4752 wrote to memory of 836	4752	N.exe	cmd.exe
PID 4752 wrote to memory of 836	4752	N.exe	cmd.exe
PID 900 wrote to memory of 2188	900	TXPlatfor.exe	TXPlatfor.exe
PID 900 wrote to memory of 2188	900	TXPlatfor.exe	TXPlatfor.exe
PID 900 wrote to memory of 2188	900	TXPlatfor.exe	TXPlatfor.exe
PID 836 wrote to memory of 2664	836	cmd.exe	PING.EXE
PID 836 wrote to memory of 2664	836	cmd.exe	PING.EXE
PID 836 wrote to memory of 2664	836	cmd.exe	PING.EXE
PID 3692 wrote to memory of 408	3692	svchost.exe	Remote Data.exe
PID 3692 wrote to memory of 408	3692	svchost.exe	Remote Data.exe
PID 3692 wrote to memory of 408	3692	svchost.exe	Remote Data.exe

C:\Users\Admin\AppData\Local\Temp\043dc8eb161ba79247fea6cf7fd64f6ec69aecadce177724a67a96856598920a.exe
"C:\Users\Admin\AppData\Local\Temp\043dc8eb161ba79247fea6cf7fd64f6ec69aecadce177724a67a96856598920a.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3812

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:2288

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:4752

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:836

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:2664

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:216

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:3692

C:\Windows\SysWOW64\Remote Data.exe
"C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240601703.txt",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:408

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:900

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:2188

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
2.5MB

MD5
ee16c26e9e9d281b2d5b44a3eafa0d82

SHA1
07e12c0588379c369d488f433ab940d7df60aeb8

SHA256
043dc8eb161ba79247fea6cf7fd64f6ec69aecadce177724a67a96856598920a

SHA512
446741cb07667d7e47b93b7b53526433a26026fd414af2f041e78ab34337bb7ebb10e8a31ddccb23effef47b8397531c0e46b2086b7a92ed32ad56e22a546a78

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\240601703.txt

Filesize
899KB

MD5
d06091471cd840acfddb6c06b43e61ca

SHA1
6c51793119a419181bbba972fde05ef7b3e7cc54

SHA256
acbaa0b36a11759b89831d3338b1c369509bde22e3e28def260015e2fd6eaa47

SHA512
0e00bf16d32c876e84fc4626a693abf81f3ae4deacdfa14edac680a9fd17a6c87f199be6d164dc9e3a15b9099917a071a4c61ec620f9e4aeaee76d36444aed12

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

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/900-29-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/900-28-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/900-26-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2188-47-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2188-52-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2188-50-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4752-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4752-23-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4752-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4752-19-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads