gh0strat | 5a2012a9ecbd39ee6215b817a2659e3c293449a28a9377f61ce4ebe125fbcfba

General

Target

5a2012a9ecbd39ee6215b817a2659e3c293449a28a9377f61ce4ebe125fbcfba.exe
Size

3.5MB
MD5

85d298849f6bbb4e7580648190be874e
SHA1

2ee89c5141c411546d7c81fe939c260503eced08
SHA256

5a2012a9ecbd39ee6215b817a2659e3c293449a28a9377f61ce4ebe125fbcfba
SHA512

d9cd39936fd94c1e088cc6df5cab5a68475fef6e5808d5f9914086d13a38ffb71b636bd329ba42389a32f898d1174c12955b015f9b9147857c445ec882d8df92
SSDEEP

49152:dCwsbCANnKXferL7Vwe/Gg0P+Wht46c8RWC35YdqHDeYC/:gws2ANnKXOaeOgmht46JRSdqHDbs

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 7 IoCs

Detect PurpleFox Rootkit.

rootkit

Processes:

resource	yara_rule
behavioral1/memory/2040-21-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2040-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3008-42-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3008-43-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3008-44-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3008-48-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3008-49-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 8 IoCs

Processes:

resource	yara_rule
\Windows\SysWOW64\259393049.txt	family_gh0strat
behavioral1/memory/2040-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2040-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3008-42-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3008-43-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3008-44-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3008-48-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3008-49-0x0000000010000000-0x00000000101B6000-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\\259393049.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_5a2012a9ecbd39ee6215b817a2659e3c293449a28a9377f61ce4ebe125fbcfba.exeRemote Data.exe

pid	process
1628	R.exe
2040	N.exe
2640	TXPlatfor.exe
3008	TXPlatfor.exe
2428	HD_5a2012a9ecbd39ee6215b817a2659e3c293449a28a9377f61ce4ebe125fbcfba.exe
108	Remote Data.exe

Loads dropped DLL 8 IoCs

Processes:

5a2012a9ecbd39ee6215b817a2659e3c293449a28a9377f61ce4ebe125fbcfba.exeR.exesvchost.exeTXPlatfor.exeRemote Data.exe

pid	process
1912	5a2012a9ecbd39ee6215b817a2659e3c293449a28a9377f61ce4ebe125fbcfba.exe
1628	R.exe
2804	svchost.exe
1912	5a2012a9ecbd39ee6215b817a2659e3c293449a28a9377f61ce4ebe125fbcfba.exe
2640	TXPlatfor.exe
1912	5a2012a9ecbd39ee6215b817a2659e3c293449a28a9377f61ce4ebe125fbcfba.exe
2804	svchost.exe
108	Remote Data.exe

UPX packed file 9 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral1/memory/2040-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2040-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2040-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3008-40-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3008-42-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3008-43-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3008-44-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3008-48-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3008-49-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

Processes:

R.exesvchost.exeN.exe

description	ioc	process
File created	C:\Windows\SysWOW64\259393049.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

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2580 PING.EXE
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

5a2012a9ecbd39ee6215b817a2659e3c293449a28a9377f61ce4ebe125fbcfba.exe

pid process

1912 5a2012a9ecbd39ee6215b817a2659e3c293449a28a9377f61ce4ebe125fbcfba.exe
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatfor.exe

pid process

3008 TXPlatfor.exe

pid	process
2580	PING.EXE

pid	process
3008	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

N.exeTXPlatfor.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2040	N.exe
Token: SeLoadDriverPrivilege	3008	TXPlatfor.exe
Token: 33	3008	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	3008	TXPlatfor.exe
Token: 33	3008	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	3008	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

5a2012a9ecbd39ee6215b817a2659e3c293449a28a9377f61ce4ebe125fbcfba.exe

pid	process
1912	5a2012a9ecbd39ee6215b817a2659e3c293449a28a9377f61ce4ebe125fbcfba.exe
1912	5a2012a9ecbd39ee6215b817a2659e3c293449a28a9377f61ce4ebe125fbcfba.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

5a2012a9ecbd39ee6215b817a2659e3c293449a28a9377f61ce4ebe125fbcfba.exeN.exeTXPlatfor.execmd.exesvchost.exe

description	pid	process	target process
PID 1912 wrote to memory of 1628	1912	5a2012a9ecbd39ee6215b817a2659e3c293449a28a9377f61ce4ebe125fbcfba.exe	R.exe
PID 1912 wrote to memory of 1628	1912	5a2012a9ecbd39ee6215b817a2659e3c293449a28a9377f61ce4ebe125fbcfba.exe	R.exe
PID 1912 wrote to memory of 1628	1912	5a2012a9ecbd39ee6215b817a2659e3c293449a28a9377f61ce4ebe125fbcfba.exe	R.exe
PID 1912 wrote to memory of 1628	1912	5a2012a9ecbd39ee6215b817a2659e3c293449a28a9377f61ce4ebe125fbcfba.exe	R.exe
PID 1912 wrote to memory of 2040	1912	5a2012a9ecbd39ee6215b817a2659e3c293449a28a9377f61ce4ebe125fbcfba.exe	N.exe
PID 1912 wrote to memory of 2040	1912	5a2012a9ecbd39ee6215b817a2659e3c293449a28a9377f61ce4ebe125fbcfba.exe	N.exe
PID 1912 wrote to memory of 2040	1912	5a2012a9ecbd39ee6215b817a2659e3c293449a28a9377f61ce4ebe125fbcfba.exe	N.exe
PID 1912 wrote to memory of 2040	1912	5a2012a9ecbd39ee6215b817a2659e3c293449a28a9377f61ce4ebe125fbcfba.exe	N.exe
PID 1912 wrote to memory of 2040	1912	5a2012a9ecbd39ee6215b817a2659e3c293449a28a9377f61ce4ebe125fbcfba.exe	N.exe
PID 1912 wrote to memory of 2040	1912	5a2012a9ecbd39ee6215b817a2659e3c293449a28a9377f61ce4ebe125fbcfba.exe	N.exe
PID 1912 wrote to memory of 2040	1912	5a2012a9ecbd39ee6215b817a2659e3c293449a28a9377f61ce4ebe125fbcfba.exe	N.exe
PID 2040 wrote to memory of 2412	2040	N.exe	cmd.exe
PID 2040 wrote to memory of 2412	2040	N.exe	cmd.exe
PID 2040 wrote to memory of 2412	2040	N.exe	cmd.exe
PID 2040 wrote to memory of 2412	2040	N.exe	cmd.exe
PID 2640 wrote to memory of 3008	2640	TXPlatfor.exe	TXPlatfor.exe
PID 2640 wrote to memory of 3008	2640	TXPlatfor.exe	TXPlatfor.exe
PID 2640 wrote to memory of 3008	2640	TXPlatfor.exe	TXPlatfor.exe
PID 2640 wrote to memory of 3008	2640	TXPlatfor.exe	TXPlatfor.exe
PID 2640 wrote to memory of 3008	2640	TXPlatfor.exe	TXPlatfor.exe
PID 2640 wrote to memory of 3008	2640	TXPlatfor.exe	TXPlatfor.exe
PID 2640 wrote to memory of 3008	2640	TXPlatfor.exe	TXPlatfor.exe
PID 2412 wrote to memory of 2580	2412	cmd.exe	PING.EXE
PID 2412 wrote to memory of 2580	2412	cmd.exe	PING.EXE
PID 2412 wrote to memory of 2580	2412	cmd.exe	PING.EXE
PID 2412 wrote to memory of 2580	2412	cmd.exe	PING.EXE
PID 2804 wrote to memory of 108	2804	svchost.exe	Remote Data.exe
PID 2804 wrote to memory of 108	2804	svchost.exe	Remote Data.exe
PID 2804 wrote to memory of 108	2804	svchost.exe	Remote Data.exe
PID 2804 wrote to memory of 108	2804	svchost.exe	Remote Data.exe

C:\Users\Admin\AppData\Local\Temp\5a2012a9ecbd39ee6215b817a2659e3c293449a28a9377f61ce4ebe125fbcfba.exe
"C:\Users\Admin\AppData\Local\Temp\5a2012a9ecbd39ee6215b817a2659e3c293449a28a9377f61ce4ebe125fbcfba.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1912

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:1628

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:2040

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:2412

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:2580

C:\Users\Admin\AppData\Local\Temp\HD_5a2012a9ecbd39ee6215b817a2659e3c293449a28a9377f61ce4ebe125fbcfba.exe
C:\Users\Admin\AppData\Local\Temp\HD_5a2012a9ecbd39ee6215b817a2659e3c293449a28a9377f61ce4ebe125fbcfba.exe
2⤵
- Executes dropped EXE
PID:2428

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:2052

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:2804

C:\Windows\SysWOW64\Remote Data.exe
"C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259393049.txt",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:108

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2640

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:3008

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_X.dat

Filesize
2.4MB

MD5
3f4e7ee4a003990fcf83a8e1525b59bf

SHA1
3fc7c166f9019412cf896dff0ad5aa1c2a160b9f

SHA256
d28789e26e76daebcb9cb5933c19bfa5fc7152a13af869ef0fcd36fa52e9bbad

SHA512
d8c2acda43d83abdd9c8a598b6f9176c9a3d9a77931f2d3b87b727ec54aa94c50718c5920c8deb4dfe67fd77ea3fa2418ab5960a96846c75ec76c0eda221a697

Download Submit
\Users\Admin\AppData\Local\Temp\HD_5a2012a9ecbd39ee6215b817a2659e3c293449a28a9377f61ce4ebe125fbcfba.exe

Filesize
1.1MB

MD5
9d7e9f3ebb854d7f982526fa79d2e1a5

SHA1
bd0b2cbf59ed2535fcc652e9354b8229c2d8272e

SHA256
fb6917e523c9abc998db284968fa2f00333d7337a989b247f33172ae18604bfb

SHA512
31306f5983dad12c328d9f846512b2a8cb58a3434d7911ed0b57affbd334024f5b3f69ef37610043a70e2cfaf571005c77614b1ba04ae9aef5e498f10b1162a8

Download Submit
\Users\Admin\AppData\Local\Temp\N.exe

Filesize
377KB

MD5
4a36a48e58829c22381572b2040b6fe0

SHA1
f09d30e44ff7e3f20a5de307720f3ad148c6143b

SHA256
3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

SHA512
5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

Download Submit
\Users\Admin\AppData\Local\Temp\R.exe

Filesize
941KB

MD5
8dc3adf1c490211971c1e2325f1424d2

SHA1
4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

SHA256
bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

SHA512
ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

Download Submit
\Windows\SysWOW64\259393049.txt

Filesize
899KB

MD5
b6feb0f41a6605a925bcebd25bccd067

SHA1
61f4a78ff1b5048d382c03e28d83f5c726e6c78b

SHA256
9a517ebd7d3751a42326fcbca68807c07b218e7b03c3cc56db7b298374669e0f

SHA512
fd223bf6c2e70762802c859d5ffed366251f23ca5b2935916692266b11cb5e4400fe9ee2cfe6ed8fea3144098bb23aaa086d03a7e7db1af3c1fb247c9cdf66f7

Download Submit
\Windows\SysWOW64\Remote Data.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/2040-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2040-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2040-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3008-40-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3008-42-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3008-43-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3008-44-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3008-48-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3008-49-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads