gh0strat | 9aacc74a8d672265b76639c3781aecf9734b5d553a00e753a27ae81e815db1b6

General

Target

9aacc74a8d672265b76639c3781aecf9734b5d553a00e753a27ae81e815db1b6.exe
Size

2.8MB
MD5

ad8c6205ae8eb55473dae145a07345d5
SHA1

40f46bb0d413e35eb4250f8d1188a18650b1b3a3
SHA256

9aacc74a8d672265b76639c3781aecf9734b5d553a00e753a27ae81e815db1b6
SHA512

277dba72032349ebae47f55ace80b1c99cedd6f011cb121cc082114dd05b6099105fb86d5c1579b9c400ebe17b080cb236c20a020a76d767e33adc529ebc6066
SSDEEP

49152:3CwsbCANnKXferL7Vwe/Gg0P+WheZs2yyzAWLN3pqsakuWndd7MRCMSfmQRWfHjd:yws2ANnKXOaeOgmhrUERz

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/2736-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2736-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2736-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/880-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/880-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4688-36-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4688-39-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4688-41-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

Processes:

resource	yara_rule
C:\Windows\SysWOW64\240599031.txt	family_gh0strat
behavioral2/memory/2736-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2736-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2736-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/880-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/880-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4688-36-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4688-39-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4688-41-0x0000000010000000-0x00000000101B6000-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\\240599031.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

1004 R.exe
2736 N.exe
880 TXPlatfor.exe
4688 TXPlatfor.exe
4356 Remote Data.exe
Loads dropped DLL 3 IoCs

Processes:

R.exesvchost.exeRemote Data.exe

pid process

1004 R.exe
2288 svchost.exe
4356 Remote Data.exe

pid	process
1004	R.exe
2736	N.exe
880	TXPlatfor.exe
4688	TXPlatfor.exe
4356	Remote Data.exe

pid	process
1004	R.exe
2288	svchost.exe
4356	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/2736-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2736-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2736-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2736-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/880-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/880-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/880-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4688-36-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4688-39-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4688-41-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

Processes:

R.exesvchost.exeN.exe

description	ioc	process
File created	C:\Windows\SysWOW64\240599031.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

764 PING.EXE
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatfor.exe

pid process

4688 TXPlatfor.exe

pid	process
764	PING.EXE

pid	process
4688	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

N.exeTXPlatfor.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2736	N.exe
Token: SeLoadDriverPrivilege	4688	TXPlatfor.exe
Token: 33	4688	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	4688	TXPlatfor.exe
Token: 33	4688	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	4688	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

9aacc74a8d672265b76639c3781aecf9734b5d553a00e753a27ae81e815db1b6.exe

pid	process
4156	9aacc74a8d672265b76639c3781aecf9734b5d553a00e753a27ae81e815db1b6.exe
4156	9aacc74a8d672265b76639c3781aecf9734b5d553a00e753a27ae81e815db1b6.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

9aacc74a8d672265b76639c3781aecf9734b5d553a00e753a27ae81e815db1b6.exeN.exeTXPlatfor.execmd.exesvchost.exe

description	pid	process	target process
PID 4156 wrote to memory of 1004	4156	9aacc74a8d672265b76639c3781aecf9734b5d553a00e753a27ae81e815db1b6.exe	R.exe
PID 4156 wrote to memory of 1004	4156	9aacc74a8d672265b76639c3781aecf9734b5d553a00e753a27ae81e815db1b6.exe	R.exe
PID 4156 wrote to memory of 1004	4156	9aacc74a8d672265b76639c3781aecf9734b5d553a00e753a27ae81e815db1b6.exe	R.exe
PID 4156 wrote to memory of 2736	4156	9aacc74a8d672265b76639c3781aecf9734b5d553a00e753a27ae81e815db1b6.exe	N.exe
PID 4156 wrote to memory of 2736	4156	9aacc74a8d672265b76639c3781aecf9734b5d553a00e753a27ae81e815db1b6.exe	N.exe
PID 4156 wrote to memory of 2736	4156	9aacc74a8d672265b76639c3781aecf9734b5d553a00e753a27ae81e815db1b6.exe	N.exe
PID 2736 wrote to memory of 5008	2736	N.exe	cmd.exe
PID 2736 wrote to memory of 5008	2736	N.exe	cmd.exe
PID 2736 wrote to memory of 5008	2736	N.exe	cmd.exe
PID 880 wrote to memory of 4688	880	TXPlatfor.exe	TXPlatfor.exe
PID 880 wrote to memory of 4688	880	TXPlatfor.exe	TXPlatfor.exe
PID 880 wrote to memory of 4688	880	TXPlatfor.exe	TXPlatfor.exe
PID 5008 wrote to memory of 764	5008	cmd.exe	PING.EXE
PID 5008 wrote to memory of 764	5008	cmd.exe	PING.EXE
PID 5008 wrote to memory of 764	5008	cmd.exe	PING.EXE
PID 2288 wrote to memory of 4356	2288	svchost.exe	Remote Data.exe
PID 2288 wrote to memory of 4356	2288	svchost.exe	Remote Data.exe
PID 2288 wrote to memory of 4356	2288	svchost.exe	Remote Data.exe

C:\Users\Admin\AppData\Local\Temp\9aacc74a8d672265b76639c3781aecf9734b5d553a00e753a27ae81e815db1b6.exe
"C:\Users\Admin\AppData\Local\Temp\9aacc74a8d672265b76639c3781aecf9734b5d553a00e753a27ae81e815db1b6.exe"
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4156

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:1004

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:2736

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:5008

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:764

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:3472

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:2288

C:\Windows\SysWOW64\Remote Data.exe
"C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240599031.txt",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:4356

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:880

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:4688

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
2.8MB

MD5
ad8c6205ae8eb55473dae145a07345d5

SHA1
40f46bb0d413e35eb4250f8d1188a18650b1b3a3

SHA256
9aacc74a8d672265b76639c3781aecf9734b5d553a00e753a27ae81e815db1b6

SHA512
277dba72032349ebae47f55ace80b1c99cedd6f011cb121cc082114dd05b6099105fb86d5c1579b9c400ebe17b080cb236c20a020a76d767e33adc529ebc6066

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\240599031.txt

Filesize
899KB

MD5
9a943abd542c316f041b6d2aa75b76b1

SHA1
cd699f39ebc0dbaec8013f216b741f33adfdb8f8

SHA256
3aede4e5613ce5c206ddc92f8ae33090339366170e4791d2b656feac43e79a09

SHA512
bd454b72afdfb0c593d700cdef886a4e80a00cfedfd9b6808b68ff24da5f4b76d6e762e6b1f40e2dbb09f082a29f8a7ee4aa9dee116a844f3d932cf6aeb88338

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

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/880-29-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/880-26-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/880-28-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2736-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2736-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2736-23-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2736-19-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4688-36-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4688-39-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4688-41-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads