gh0strat | b00b32a2c4a8d1567f10faa4bbbcda670bd699f7353d740c4feb6e487052f29c

General

Target

b00b32a2c4a8d1567f10faa4bbbcda670bd699f7353d740c4feb6e487052f29c.exe
Size

11.0MB
MD5

20ecce5f1bf9261e7d7b02d4edcdd6b6
SHA1

83e18bce04ef2c5c4bff9a0249492cac691786d2
SHA256

b00b32a2c4a8d1567f10faa4bbbcda670bd699f7353d740c4feb6e487052f29c
SHA512

87abc4a604bfb53ba0d52e53ac9da83fde5dc30d97d4140b4694f48362f370d13a5366ca3cbc009dc4c8ae5230d6c1a648880d302034951a42db611403e6bd49
SSDEEP

196608:zKXbeO7EDpEyYlEI3CcduuAdGEHd3JVHt:Y7EGGI1D9EHd3Xt

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 5 IoCs

Detect PurpleFox Rootkit.

rootkit

Processes:

resource	yara_rule
behavioral1/memory/2492-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2492-21-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2604-37-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2604-41-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2604-51-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 6 IoCs

Processes:

resource	yara_rule
\Windows\SysWOW64\259431113.txt	family_gh0strat
behavioral1/memory/2492-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2492-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2604-37-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2604-41-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2604-51-0x0000000010000000-0x00000000101B6000-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\\259431113.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_b00b32a2c4a8d1567f10faa4bbbcda670bd699f7353d740c4feb6e487052f29c.exeRemote Data.exe

pid	process
2100	R.exe
2492	N.exe
2512	TXPlatfor.exe
2604	TXPlatfor.exe
2360	HD_b00b32a2c4a8d1567f10faa4bbbcda670bd699f7353d740c4feb6e487052f29c.exe
1068	Remote Data.exe

Loads dropped DLL 9 IoCs

Processes:

b00b32a2c4a8d1567f10faa4bbbcda670bd699f7353d740c4feb6e487052f29c.exeR.exesvchost.exeTXPlatfor.exeRemote Data.exe

pid	process
2896	b00b32a2c4a8d1567f10faa4bbbcda670bd699f7353d740c4feb6e487052f29c.exe
2100	R.exe
2944	svchost.exe
2896	b00b32a2c4a8d1567f10faa4bbbcda670bd699f7353d740c4feb6e487052f29c.exe
2512	TXPlatfor.exe
2896	b00b32a2c4a8d1567f10faa4bbbcda670bd699f7353d740c4feb6e487052f29c.exe
2896	b00b32a2c4a8d1567f10faa4bbbcda670bd699f7353d740c4feb6e487052f29c.exe
2944	svchost.exe
1068	Remote Data.exe

UPX packed file 6 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/2492-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2492-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2492-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2604-37-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2604-41-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2604-51-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

Processes:

R.exesvchost.exeN.exe

description	ioc	process
File created	C:\Windows\SysWOW64\259431113.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

2880 PING.EXE
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

b00b32a2c4a8d1567f10faa4bbbcda670bd699f7353d740c4feb6e487052f29c.exe

pid process

2896 b00b32a2c4a8d1567f10faa4bbbcda670bd699f7353d740c4feb6e487052f29c.exe
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatfor.exe

pid process

2604 TXPlatfor.exe

pid	process
2880	PING.EXE

pid	process
2604	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

N.exeTXPlatfor.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2492	N.exe
Token: SeLoadDriverPrivilege	2604	TXPlatfor.exe
Token: 33	2604	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2604	TXPlatfor.exe
Token: 33	2604	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2604	TXPlatfor.exe

Suspicious use of FindShellTrayWindow 3 IoCs

Processes:

HD_b00b32a2c4a8d1567f10faa4bbbcda670bd699f7353d740c4feb6e487052f29c.exe

pid	process
2360	HD_b00b32a2c4a8d1567f10faa4bbbcda670bd699f7353d740c4feb6e487052f29c.exe
2360	HD_b00b32a2c4a8d1567f10faa4bbbcda670bd699f7353d740c4feb6e487052f29c.exe
2360	HD_b00b32a2c4a8d1567f10faa4bbbcda670bd699f7353d740c4feb6e487052f29c.exe

Suspicious use of SendNotifyMessage 3 IoCs

Processes:

HD_b00b32a2c4a8d1567f10faa4bbbcda670bd699f7353d740c4feb6e487052f29c.exe

pid	process
2360	HD_b00b32a2c4a8d1567f10faa4bbbcda670bd699f7353d740c4feb6e487052f29c.exe
2360	HD_b00b32a2c4a8d1567f10faa4bbbcda670bd699f7353d740c4feb6e487052f29c.exe
2360	HD_b00b32a2c4a8d1567f10faa4bbbcda670bd699f7353d740c4feb6e487052f29c.exe

Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

b00b32a2c4a8d1567f10faa4bbbcda670bd699f7353d740c4feb6e487052f29c.exeHD_b00b32a2c4a8d1567f10faa4bbbcda670bd699f7353d740c4feb6e487052f29c.exe

pid	process
2896	b00b32a2c4a8d1567f10faa4bbbcda670bd699f7353d740c4feb6e487052f29c.exe
2896	b00b32a2c4a8d1567f10faa4bbbcda670bd699f7353d740c4feb6e487052f29c.exe
2360	HD_b00b32a2c4a8d1567f10faa4bbbcda670bd699f7353d740c4feb6e487052f29c.exe
2360	HD_b00b32a2c4a8d1567f10faa4bbbcda670bd699f7353d740c4feb6e487052f29c.exe

Suspicious use of WriteProcessMemory 34 IoCs

Processes:

b00b32a2c4a8d1567f10faa4bbbcda670bd699f7353d740c4feb6e487052f29c.exeN.exeTXPlatfor.execmd.exesvchost.exe

description	pid	process	target process
PID 2896 wrote to memory of 2100	2896	b00b32a2c4a8d1567f10faa4bbbcda670bd699f7353d740c4feb6e487052f29c.exe	R.exe
PID 2896 wrote to memory of 2100	2896	b00b32a2c4a8d1567f10faa4bbbcda670bd699f7353d740c4feb6e487052f29c.exe	R.exe
PID 2896 wrote to memory of 2100	2896	b00b32a2c4a8d1567f10faa4bbbcda670bd699f7353d740c4feb6e487052f29c.exe	R.exe
PID 2896 wrote to memory of 2100	2896	b00b32a2c4a8d1567f10faa4bbbcda670bd699f7353d740c4feb6e487052f29c.exe	R.exe
PID 2896 wrote to memory of 2492	2896	b00b32a2c4a8d1567f10faa4bbbcda670bd699f7353d740c4feb6e487052f29c.exe	N.exe
PID 2896 wrote to memory of 2492	2896	b00b32a2c4a8d1567f10faa4bbbcda670bd699f7353d740c4feb6e487052f29c.exe	N.exe
PID 2896 wrote to memory of 2492	2896	b00b32a2c4a8d1567f10faa4bbbcda670bd699f7353d740c4feb6e487052f29c.exe	N.exe
PID 2896 wrote to memory of 2492	2896	b00b32a2c4a8d1567f10faa4bbbcda670bd699f7353d740c4feb6e487052f29c.exe	N.exe
PID 2896 wrote to memory of 2492	2896	b00b32a2c4a8d1567f10faa4bbbcda670bd699f7353d740c4feb6e487052f29c.exe	N.exe
PID 2896 wrote to memory of 2492	2896	b00b32a2c4a8d1567f10faa4bbbcda670bd699f7353d740c4feb6e487052f29c.exe	N.exe
PID 2896 wrote to memory of 2492	2896	b00b32a2c4a8d1567f10faa4bbbcda670bd699f7353d740c4feb6e487052f29c.exe	N.exe
PID 2492 wrote to memory of 2652	2492	N.exe	cmd.exe
PID 2492 wrote to memory of 2652	2492	N.exe	cmd.exe
PID 2492 wrote to memory of 2652	2492	N.exe	cmd.exe
PID 2492 wrote to memory of 2652	2492	N.exe	cmd.exe
PID 2512 wrote to memory of 2604	2512	TXPlatfor.exe	TXPlatfor.exe
PID 2512 wrote to memory of 2604	2512	TXPlatfor.exe	TXPlatfor.exe
PID 2512 wrote to memory of 2604	2512	TXPlatfor.exe	TXPlatfor.exe
PID 2512 wrote to memory of 2604	2512	TXPlatfor.exe	TXPlatfor.exe
PID 2512 wrote to memory of 2604	2512	TXPlatfor.exe	TXPlatfor.exe
PID 2512 wrote to memory of 2604	2512	TXPlatfor.exe	TXPlatfor.exe
PID 2512 wrote to memory of 2604	2512	TXPlatfor.exe	TXPlatfor.exe
PID 2896 wrote to memory of 2360	2896	b00b32a2c4a8d1567f10faa4bbbcda670bd699f7353d740c4feb6e487052f29c.exe	HD_b00b32a2c4a8d1567f10faa4bbbcda670bd699f7353d740c4feb6e487052f29c.exe
PID 2896 wrote to memory of 2360	2896	b00b32a2c4a8d1567f10faa4bbbcda670bd699f7353d740c4feb6e487052f29c.exe	HD_b00b32a2c4a8d1567f10faa4bbbcda670bd699f7353d740c4feb6e487052f29c.exe
PID 2896 wrote to memory of 2360	2896	b00b32a2c4a8d1567f10faa4bbbcda670bd699f7353d740c4feb6e487052f29c.exe	HD_b00b32a2c4a8d1567f10faa4bbbcda670bd699f7353d740c4feb6e487052f29c.exe
PID 2896 wrote to memory of 2360	2896	b00b32a2c4a8d1567f10faa4bbbcda670bd699f7353d740c4feb6e487052f29c.exe	HD_b00b32a2c4a8d1567f10faa4bbbcda670bd699f7353d740c4feb6e487052f29c.exe
PID 2652 wrote to memory of 2880	2652	cmd.exe	PING.EXE
PID 2652 wrote to memory of 2880	2652	cmd.exe	PING.EXE
PID 2652 wrote to memory of 2880	2652	cmd.exe	PING.EXE
PID 2652 wrote to memory of 2880	2652	cmd.exe	PING.EXE
PID 2944 wrote to memory of 1068	2944	svchost.exe	Remote Data.exe
PID 2944 wrote to memory of 1068	2944	svchost.exe	Remote Data.exe
PID 2944 wrote to memory of 1068	2944	svchost.exe	Remote Data.exe
PID 2944 wrote to memory of 1068	2944	svchost.exe	Remote Data.exe

C:\Users\Admin\AppData\Local\Temp\b00b32a2c4a8d1567f10faa4bbbcda670bd699f7353d740c4feb6e487052f29c.exe
"C:\Users\Admin\AppData\Local\Temp\b00b32a2c4a8d1567f10faa4bbbcda670bd699f7353d740c4feb6e487052f29c.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2896

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:2100

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:2492

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:2652

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:2880

C:\Users\Admin\AppData\Local\Temp\HD_b00b32a2c4a8d1567f10faa4bbbcda670bd699f7353d740c4feb6e487052f29c.exe
C:\Users\Admin\AppData\Local\Temp\HD_b00b32a2c4a8d1567f10faa4bbbcda670bd699f7353d740c4feb6e487052f29c.exe
2⤵
- Executes dropped EXE
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
PID:2360

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:1744

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:2944

C:\Windows\SysWOW64\Remote Data.exe
"C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259431113.txt",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:1068

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2512

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:2604

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

Remote System Discovery

1

T1018

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\HD_b00b32a2c4a8d1567f10faa4bbbcda670bd699f7353d740c4feb6e487052f29c.exe
Filesize
8.4MB

MD5
426eece1eb5eb6ccc7a91c2bbc45cd69

SHA1
5acd1b84aa1bc34261681a28684132af7ff6faff

SHA256
fd2bb5b2bf48573778538d68062bcae1b035d33918d29b3ff2fb9ca2d39ac969

SHA512
a31aa6fc5037238d67062988ce82e11b3fd5b304c6d061d237a0d2829196a4c9a3f29752ed1b3c1f657ae0a6c140d3000c03eacdf90d0bcb1d815396cd35c875

Download Submit
C:\Users\Admin\Desktop\ClearSet.exe
Filesize
3.1MB

MD5
4ccd5ae5b51e374113b4857c56c295b3

SHA1
25da611e51c8e1099e693344277a618bc13c16de

SHA256
e59ee630dee06b8bbed9dbe003ced5a553f4efa64c328512ac2efa6b653b87fe

SHA512
b48da32c79b6ce1ac9da45d9ff2a66a5cc3661d8bb8375cd83f0f5652dd200ba8c7f32663e3f7e152e5bb7b7f50801cb2bd854645be9c4c18f43fc138a9a284f

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\259431113.txt
Filesize
899KB

MD5
c9f48d7ad3143ed9570509f4ba53fd40

SHA1
16e59cd2c102fd83b2fd34ab3f8dd5461b5411ce

SHA256
b7ccf506093154eb6a968f5f8e2d2b82db4e2162f999ddcaf97bc3e3b11df87b

SHA512
df94c4720b9e7abca5795503ee9b8e4a57a90ddf5de11bdaac87ac1f6286dce8f4414a042b17c27b42894ea26e3462561a514ebf1bde671e81bcf1f7fe46bb60

Download Submit
\Windows\SysWOW64\Remote Data.exe
Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/2492-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2492-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2492-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2604-37-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2604-41-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2604-51-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads