gh0strat | a6f1ca8209fc23ae6686bfcd4fcc93fc7ae698124f918d5c0282e2ae75e8b248

General

Target

a6f1ca8209fc23ae6686bfcd4fcc93fc7ae698124f918d5c0282e2ae75e8b248.exe
Size

7.5MB
MD5

d2dd17e328fab963a6e26c664f798b4a
SHA1

b4a59a7879ce989955d84d45433107d538be9ad2
SHA256

a6f1ca8209fc23ae6686bfcd4fcc93fc7ae698124f918d5c0282e2ae75e8b248
SHA512

59df43cab1e2e1f215cd31e6be078501c763df747c7fcbd48edbcf36593dd6f49054f7c66a424d68475902dc53e1b34380c9bdfd558d36617bc45d2986bf5132
SSDEEP

98304:+ws2ANnKXOaeOgmhictaQpYwcNw2PDcOfqPLDoBSNx1wyp:sKXbeO7dIcOfqLiA

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
behavioral2/memory/676-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/676-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/676-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4320-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4320-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4008-40-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4008-45-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 8 IoCs

Processes:

resource	yara_rule
C:\Windows\SysWOW64\240604250.txt	family_gh0strat
behavioral2/memory/676-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/676-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/676-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4320-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4320-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4008-40-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4008-45-0x0000000010000000-0x00000000101B6000-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\\240604250.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_a6f1ca8209fc23ae6686bfcd4fcc93fc7ae698124f918d5c0282e2ae75e8b248.exeRemote Data.exe

pid	process
3076	R.exe
676	N.exe
4320	TXPlatfor.exe
4008	TXPlatfor.exe
1660	HD_a6f1ca8209fc23ae6686bfcd4fcc93fc7ae698124f918d5c0282e2ae75e8b248.exe
972	Remote Data.exe

Loads dropped DLL 3 IoCs

Processes:

R.exesvchost.exeRemote Data.exe

pid process

3076 R.exe
2232 svchost.exe
972 Remote Data.exe

UPX packed file 9 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/676-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/676-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/676-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/676-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4320-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4320-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4320-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4008-40-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4008-45-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

Processes:

N.exeR.exesvchost.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe
File created	C:\Windows\SysWOW64\240604250.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

Drops file in Program Files directory 1 IoCs

Processes:

a6f1ca8209fc23ae6686bfcd4fcc93fc7ae698124f918d5c0282e2ae75e8b248.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	a6f1ca8209fc23ae6686bfcd4fcc93fc7ae698124f918d5c0282e2ae75e8b248.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

1552 PING.EXE

pid	process
1552	PING.EXE

Suspicious behavior: EnumeratesProcesses 16 IoCs

Processes:

a6f1ca8209fc23ae6686bfcd4fcc93fc7ae698124f918d5c0282e2ae75e8b248.exeHD_a6f1ca8209fc23ae6686bfcd4fcc93fc7ae698124f918d5c0282e2ae75e8b248.exe

pid	process
1372	a6f1ca8209fc23ae6686bfcd4fcc93fc7ae698124f918d5c0282e2ae75e8b248.exe
1372	a6f1ca8209fc23ae6686bfcd4fcc93fc7ae698124f918d5c0282e2ae75e8b248.exe
1660	HD_a6f1ca8209fc23ae6686bfcd4fcc93fc7ae698124f918d5c0282e2ae75e8b248.exe
1660	HD_a6f1ca8209fc23ae6686bfcd4fcc93fc7ae698124f918d5c0282e2ae75e8b248.exe
1660	HD_a6f1ca8209fc23ae6686bfcd4fcc93fc7ae698124f918d5c0282e2ae75e8b248.exe
1660	HD_a6f1ca8209fc23ae6686bfcd4fcc93fc7ae698124f918d5c0282e2ae75e8b248.exe
1660	HD_a6f1ca8209fc23ae6686bfcd4fcc93fc7ae698124f918d5c0282e2ae75e8b248.exe
1660	HD_a6f1ca8209fc23ae6686bfcd4fcc93fc7ae698124f918d5c0282e2ae75e8b248.exe
1660	HD_a6f1ca8209fc23ae6686bfcd4fcc93fc7ae698124f918d5c0282e2ae75e8b248.exe
1660	HD_a6f1ca8209fc23ae6686bfcd4fcc93fc7ae698124f918d5c0282e2ae75e8b248.exe
1660	HD_a6f1ca8209fc23ae6686bfcd4fcc93fc7ae698124f918d5c0282e2ae75e8b248.exe
1660	HD_a6f1ca8209fc23ae6686bfcd4fcc93fc7ae698124f918d5c0282e2ae75e8b248.exe
1660	HD_a6f1ca8209fc23ae6686bfcd4fcc93fc7ae698124f918d5c0282e2ae75e8b248.exe
1660	HD_a6f1ca8209fc23ae6686bfcd4fcc93fc7ae698124f918d5c0282e2ae75e8b248.exe
1660	HD_a6f1ca8209fc23ae6686bfcd4fcc93fc7ae698124f918d5c0282e2ae75e8b248.exe
1660	HD_a6f1ca8209fc23ae6686bfcd4fcc93fc7ae698124f918d5c0282e2ae75e8b248.exe

Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatfor.exe

pid process

4008 TXPlatfor.exe

pid	process
4008	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

N.exeTXPlatfor.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	676	N.exe
Token: SeLoadDriverPrivilege	4008	TXPlatfor.exe
Token: 33	4008	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	4008	TXPlatfor.exe
Token: 33	4008	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	4008	TXPlatfor.exe

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

HD_a6f1ca8209fc23ae6686bfcd4fcc93fc7ae698124f918d5c0282e2ae75e8b248.exe

pid	process
1660	HD_a6f1ca8209fc23ae6686bfcd4fcc93fc7ae698124f918d5c0282e2ae75e8b248.exe
1660	HD_a6f1ca8209fc23ae6686bfcd4fcc93fc7ae698124f918d5c0282e2ae75e8b248.exe

Suspicious use of SendNotifyMessage 2 IoCs

Processes:

HD_a6f1ca8209fc23ae6686bfcd4fcc93fc7ae698124f918d5c0282e2ae75e8b248.exe

pid	process
1660	HD_a6f1ca8209fc23ae6686bfcd4fcc93fc7ae698124f918d5c0282e2ae75e8b248.exe
1660	HD_a6f1ca8209fc23ae6686bfcd4fcc93fc7ae698124f918d5c0282e2ae75e8b248.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

a6f1ca8209fc23ae6686bfcd4fcc93fc7ae698124f918d5c0282e2ae75e8b248.exe

pid	process
1372	a6f1ca8209fc23ae6686bfcd4fcc93fc7ae698124f918d5c0282e2ae75e8b248.exe
1372	a6f1ca8209fc23ae6686bfcd4fcc93fc7ae698124f918d5c0282e2ae75e8b248.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

a6f1ca8209fc23ae6686bfcd4fcc93fc7ae698124f918d5c0282e2ae75e8b248.exeTXPlatfor.exeN.execmd.exesvchost.exe

description	pid	process	target process
PID 1372 wrote to memory of 3076	1372	a6f1ca8209fc23ae6686bfcd4fcc93fc7ae698124f918d5c0282e2ae75e8b248.exe	R.exe
PID 1372 wrote to memory of 3076	1372	a6f1ca8209fc23ae6686bfcd4fcc93fc7ae698124f918d5c0282e2ae75e8b248.exe	R.exe
PID 1372 wrote to memory of 3076	1372	a6f1ca8209fc23ae6686bfcd4fcc93fc7ae698124f918d5c0282e2ae75e8b248.exe	R.exe
PID 1372 wrote to memory of 676	1372	a6f1ca8209fc23ae6686bfcd4fcc93fc7ae698124f918d5c0282e2ae75e8b248.exe	N.exe
PID 1372 wrote to memory of 676	1372	a6f1ca8209fc23ae6686bfcd4fcc93fc7ae698124f918d5c0282e2ae75e8b248.exe	N.exe
PID 1372 wrote to memory of 676	1372	a6f1ca8209fc23ae6686bfcd4fcc93fc7ae698124f918d5c0282e2ae75e8b248.exe	N.exe
PID 4320 wrote to memory of 4008	4320	TXPlatfor.exe	TXPlatfor.exe
PID 4320 wrote to memory of 4008	4320	TXPlatfor.exe	TXPlatfor.exe
PID 4320 wrote to memory of 4008	4320	TXPlatfor.exe	TXPlatfor.exe
PID 676 wrote to memory of 3112	676	N.exe	cmd.exe
PID 676 wrote to memory of 3112	676	N.exe	cmd.exe
PID 676 wrote to memory of 3112	676	N.exe	cmd.exe
PID 1372 wrote to memory of 1660	1372	a6f1ca8209fc23ae6686bfcd4fcc93fc7ae698124f918d5c0282e2ae75e8b248.exe	HD_a6f1ca8209fc23ae6686bfcd4fcc93fc7ae698124f918d5c0282e2ae75e8b248.exe
PID 1372 wrote to memory of 1660	1372	a6f1ca8209fc23ae6686bfcd4fcc93fc7ae698124f918d5c0282e2ae75e8b248.exe	HD_a6f1ca8209fc23ae6686bfcd4fcc93fc7ae698124f918d5c0282e2ae75e8b248.exe
PID 1372 wrote to memory of 1660	1372	a6f1ca8209fc23ae6686bfcd4fcc93fc7ae698124f918d5c0282e2ae75e8b248.exe	HD_a6f1ca8209fc23ae6686bfcd4fcc93fc7ae698124f918d5c0282e2ae75e8b248.exe
PID 3112 wrote to memory of 1552	3112	cmd.exe	PING.EXE
PID 3112 wrote to memory of 1552	3112	cmd.exe	PING.EXE
PID 3112 wrote to memory of 1552	3112	cmd.exe	PING.EXE
PID 2232 wrote to memory of 972	2232	svchost.exe	Remote Data.exe
PID 2232 wrote to memory of 972	2232	svchost.exe	Remote Data.exe
PID 2232 wrote to memory of 972	2232	svchost.exe	Remote Data.exe

C:\Users\Admin\AppData\Local\Temp\a6f1ca8209fc23ae6686bfcd4fcc93fc7ae698124f918d5c0282e2ae75e8b248.exe
"C:\Users\Admin\AppData\Local\Temp\a6f1ca8209fc23ae6686bfcd4fcc93fc7ae698124f918d5c0282e2ae75e8b248.exe"
1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1372

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:3076

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:676

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:3112

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:1552

C:\Users\Admin\AppData\Local\Temp\HD_a6f1ca8209fc23ae6686bfcd4fcc93fc7ae698124f918d5c0282e2ae75e8b248.exe
C:\Users\Admin\AppData\Local\Temp\HD_a6f1ca8209fc23ae6686bfcd4fcc93fc7ae698124f918d5c0282e2ae75e8b248.exe
2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1660

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:4344

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:2232

C:\Windows\SysWOW64\Remote Data.exe
"C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240604250.txt",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:972

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4320

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:4008

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

System Information Discovery

1

T1082

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
2.5MB

MD5
b85652613aff0a35266b7d9f769da8e1

SHA1
3db52682bf92637d2c7c8a53d64e5c36abe60884

SHA256
6185104d3d0fb759a7260ec4f07c19dc920af6d199dae7468f16a58d07567ab5

SHA512
58d50b15cdef6e45caff2cb6534675e4e473cb34c9f3ab1749d6c9f999c0eba32a358b562279e77c6de40a62d632079b65e03f23049eaa77f9d5997ae3f95234

Download Submit
C:\Users\Admin\AppData\Local\Temp\HD_a6f1ca8209fc23ae6686bfcd4fcc93fc7ae698124f918d5c0282e2ae75e8b248.exe
Filesize
5.0MB

MD5
ecda0fc4586e6083e6f005d4e6a9d560

SHA1
8096da9e8d0b1d7f10150646795948435fcc4872

SHA256
1eb0fee3caa50b879fe61b556474fc19e14c230e912027949ff2a960e7ed50ec

SHA512
1a9edf54ca5db8c3d1ece80e0ed2a99ce57bc7592ff947372ff672c2b3db0de2cab3e73fd2956a543dbc5b51048ac7562b9fdac2e8682b2700c8641f60734bb6

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:\Users\Admin\AppData\Roaming\2345PCSafe\Data\SafeDownloader
Filesize
270B

MD5
63441387d554f590d6243456ac9884a4

SHA1
ebd0206768205d9609ff2b189768afbf2a1884eb

SHA256
4884a22797550f84192e63ada7e38c761cb978580d24c1bbe8fdf7f4bcc7a628

SHA512
be76f1bb80e9b3c7f72f8099db4b9bd10d14cf88e788dc0edc7fb57c3d5a00fed196fd38429fac9ddd2c5d0479744461cf16335798f0d9f483307545ca8b5aef

Download Submit
C:\Windows\SysWOW64\240604250.txt
Filesize
899KB

MD5
f66224f72091a78e5e62acf29acd31c1

SHA1
06f6e644da9a24970e2359f2f9af227055e3fbc6

SHA256
e80f4c557851a63214114bf9db4cb17cece5682f171c87fb65db8a1d62d08979

SHA512
4bb7bb99dfeac374ec45b55822936ac6a7a38c62858edd20ad1156c65bb45a0b19369c3ee55606ea754abeaaab39a9d22a3c275e46ea9e09b57530c7cc0467b6

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

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/676-19-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/676-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/676-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/676-23-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4008-45-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4008-40-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4320-29-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4320-26-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4320-28-0x0000000010000000-0x00000000101B6000-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