gh0strat | 422d8efa9b46ff59f7e3362c7f8532474c3eb4ae1d4c320335be318a2b9b6b7a

General

Target

422d8efa9b46ff59f7e3362c7f8532474c3eb4ae1d4c320335be318a2b9b6b7a.exe
Size

2.5MB
MD5

7f4e464e9d38f5d6e30c970816c35cc3
SHA1

080177b17b88cce2aaf8f5d727287b15bcd701a1
SHA256

422d8efa9b46ff59f7e3362c7f8532474c3eb4ae1d4c320335be318a2b9b6b7a
SHA512

ce899d66ebb9001fa1042e527c57976c19904653f819fd338ffa900e517922beb9be79080d6ce6d22ac50478295c67c5ffa1b7df62f3b431c669a9a774cf348c
SSDEEP

24576:bCwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nHl:bCwsbCANnKXferL7Vwe/Gg0P+Wha

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/3632-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3632-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3632-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3500-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3500-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3700-36-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3700-40-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3700-41-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

Processes:

resource	yara_rule
C:\Windows\SysWOW64\240595406.txt	family_gh0strat
behavioral2/memory/3632-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3632-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3632-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3500-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3500-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3700-36-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3700-40-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3700-41-0x0000000010000000-0x00000000101B6000-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\\240595406.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

872 R.exe
3632 N.exe
3500 TXPlatfor.exe
3700 TXPlatfor.exe
712 Remote Data.exe
Loads dropped DLL 3 IoCs

Processes:

R.exesvchost.exeRemote Data.exe

pid process

872 R.exe
5000 svchost.exe
712 Remote Data.exe

pid	process
872	R.exe
3632	N.exe
3500	TXPlatfor.exe
3700	TXPlatfor.exe
712	Remote Data.exe

pid	process
872	R.exe
5000	svchost.exe
712	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/3632-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3632-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3632-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3632-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3500-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3500-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3500-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3700-36-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3700-40-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3700-41-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

Processes:

R.exesvchost.exeN.exe

description	ioc	process
File created	C:\Windows\SysWOW64\240595406.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

3548 PING.EXE
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatfor.exe

pid process

3700 TXPlatfor.exe

pid	process
3548	PING.EXE

pid	process
3700	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

N.exeTXPlatfor.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3632	N.exe
Token: SeLoadDriverPrivilege	3700	TXPlatfor.exe
Token: 33	3700	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	3700	TXPlatfor.exe
Token: 33	3700	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	3700	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

422d8efa9b46ff59f7e3362c7f8532474c3eb4ae1d4c320335be318a2b9b6b7a.exe

pid	process
4000	422d8efa9b46ff59f7e3362c7f8532474c3eb4ae1d4c320335be318a2b9b6b7a.exe
4000	422d8efa9b46ff59f7e3362c7f8532474c3eb4ae1d4c320335be318a2b9b6b7a.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

422d8efa9b46ff59f7e3362c7f8532474c3eb4ae1d4c320335be318a2b9b6b7a.exeN.exeTXPlatfor.execmd.exesvchost.exe

description	pid	process	target process
PID 4000 wrote to memory of 872	4000	422d8efa9b46ff59f7e3362c7f8532474c3eb4ae1d4c320335be318a2b9b6b7a.exe	R.exe
PID 4000 wrote to memory of 872	4000	422d8efa9b46ff59f7e3362c7f8532474c3eb4ae1d4c320335be318a2b9b6b7a.exe	R.exe
PID 4000 wrote to memory of 872	4000	422d8efa9b46ff59f7e3362c7f8532474c3eb4ae1d4c320335be318a2b9b6b7a.exe	R.exe
PID 4000 wrote to memory of 3632	4000	422d8efa9b46ff59f7e3362c7f8532474c3eb4ae1d4c320335be318a2b9b6b7a.exe	N.exe
PID 4000 wrote to memory of 3632	4000	422d8efa9b46ff59f7e3362c7f8532474c3eb4ae1d4c320335be318a2b9b6b7a.exe	N.exe
PID 4000 wrote to memory of 3632	4000	422d8efa9b46ff59f7e3362c7f8532474c3eb4ae1d4c320335be318a2b9b6b7a.exe	N.exe
PID 3632 wrote to memory of 2112	3632	N.exe	cmd.exe
PID 3632 wrote to memory of 2112	3632	N.exe	cmd.exe
PID 3632 wrote to memory of 2112	3632	N.exe	cmd.exe
PID 3500 wrote to memory of 3700	3500	TXPlatfor.exe	TXPlatfor.exe
PID 3500 wrote to memory of 3700	3500	TXPlatfor.exe	TXPlatfor.exe
PID 3500 wrote to memory of 3700	3500	TXPlatfor.exe	TXPlatfor.exe
PID 2112 wrote to memory of 3548	2112	cmd.exe	PING.EXE
PID 2112 wrote to memory of 3548	2112	cmd.exe	PING.EXE
PID 2112 wrote to memory of 3548	2112	cmd.exe	PING.EXE
PID 5000 wrote to memory of 712	5000	svchost.exe	Remote Data.exe
PID 5000 wrote to memory of 712	5000	svchost.exe	Remote Data.exe
PID 5000 wrote to memory of 712	5000	svchost.exe	Remote Data.exe

C:\Users\Admin\AppData\Local\Temp\422d8efa9b46ff59f7e3362c7f8532474c3eb4ae1d4c320335be318a2b9b6b7a.exe
"C:\Users\Admin\AppData\Local\Temp\422d8efa9b46ff59f7e3362c7f8532474c3eb4ae1d4c320335be318a2b9b6b7a.exe"
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4000
- 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:872
- 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:3632
- - 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:2112
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:3548

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:1384

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:5000
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240595406.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:712

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3500
- 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:3700

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

Replay Monitor

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Downloads

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

Filesize
2.5MB

MD5
7f4e464e9d38f5d6e30c970816c35cc3

SHA1
080177b17b88cce2aaf8f5d727287b15bcd701a1

SHA256
422d8efa9b46ff59f7e3362c7f8532474c3eb4ae1d4c320335be318a2b9b6b7a

SHA512
ce899d66ebb9001fa1042e527c57976c19904653f819fd338ffa900e517922beb9be79080d6ce6d22ac50478295c67c5ffa1b7df62f3b431c669a9a774cf348c

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\240595406.txt

Filesize
899KB

MD5
6dd601323c1e74341b42c5867d15a082

SHA1
bbf118585707e7f558d01c319781af3f0847e203

SHA256
10fa1220b92c2dada777cf9d4452f45e55ce0c77ed15150a14e8d935e35d4697

SHA512
40e22a7e9a4c59c37ee78ed6b43f4caec5fc1f8dd14ca43460acc8c99977c87b417d593f5578908ae96331402be9e4fe52ecd9a96e83a6e62a14ad78268b113f

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

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/3500-28-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3500-29-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3500-26-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3632-23-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3632-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3632-19-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3632-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3700-36-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3700-40-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3700-41-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads