gh0strat | c65a6378fc0598b7dbce7c5c7da02e168c7a7a68ca85085eb86b2bca076fa834

General

Target

c65a6378fc0598b7dbce7c5c7da02e168c7a7a68ca85085eb86b2bca076fa834.exe
Size

1.6MB
MD5

946fe5fe68faf24c5797c25e5bcb49e0
SHA1

c0dff732a3f1f132a72187d5fc2192737e813928
SHA256

c65a6378fc0598b7dbce7c5c7da02e168c7a7a68ca85085eb86b2bca076fa834
SHA512

99ab38b6379f2105b5b1f20e96613b20ded004f822a4c893cd4e2e17968ae5650a57898db01be4055226afaa03e54901c576f54eca85662e3b37c71b924dbb4c
SSDEEP

24576:IpDXgeS+hlgOFc+k5T+IBLXCgxIo1RtFLUUbYkMJ3IvNcaLLh++woOs6s2E+:mjgkhlgOK/lIonLhbpMRIvyaZO8+

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan

Malware Config

Signatures

Detect PurpleFox Rootkit 6 IoCs

Detect PurpleFox Rootkit.

rootkit

Processes:

resource	yara_rule
behavioral2/memory/4432-133-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit
behavioral2/memory/3128-141-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit
behavioral2/memory/3128-150-0x0000000000400000-0x000000000089B000-memory.dmp	purplefox_rootkit
behavioral2/memory/4432-152-0x0000000000400000-0x000000000089B000-memory.dmp	purplefox_rootkit
behavioral2/memory/1116-153-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit
behavioral2/memory/1116-160-0x0000000000400000-0x000000000089B000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 6 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4432-133-0x0000000010000000-0x000000001019F000-memory.dmp	family_gh0strat
behavioral2/memory/3128-141-0x0000000010000000-0x000000001019F000-memory.dmp	family_gh0strat
behavioral2/memory/3128-150-0x0000000000400000-0x000000000089B000-memory.dmp	family_gh0strat
behavioral2/memory/4432-152-0x0000000000400000-0x000000000089B000-memory.dmp	family_gh0strat
behavioral2/memory/1116-153-0x0000000010000000-0x000000001019F000-memory.dmp	family_gh0strat
behavioral2/memory/1116-160-0x0000000000400000-0x000000000089B000-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:

Ldefv.exe

description ioc process

File created C:\Windows\system32\drivers\QAssist.sys Ldefv.exe
Executes dropped EXE 2 IoCs

Processes:

Ldefv.exeLdefv.exe

pid process

3128 Ldefv.exe
1116 Ldefv.exe
Sets service image path in registry 2 TTPs 1 IoCs
persistence

Registry Run Keys / Startup Folder
T1060

Modify Registry
T1112

Processes:

Ldefv.exe

description ioc process

Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\QAssist\ImagePath = "system32\\DRIVERS\\QAssist.sys" Ldefv.exe

description	ioc	process
File created	C:\Windows\system32\drivers\QAssist.sys	Ldefv.exe

pid	process
3128	Ldefv.exe
1116	Ldefv.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\QAssist\ImagePath = "system32\\DRIVERS\\QAssist.sys"	Ldefv.exe

Enumerates connected drives 3 TTPs 23 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

Ldefv.exe

description	ioc	process
File opened (read-only)	\??\N:	Ldefv.exe
File opened (read-only)	\??\R:	Ldefv.exe
File opened (read-only)	\??\S:	Ldefv.exe
File opened (read-only)	\??\E:	Ldefv.exe
File opened (read-only)	\??\I:	Ldefv.exe
File opened (read-only)	\??\M:	Ldefv.exe
File opened (read-only)	\??\F:	Ldefv.exe
File opened (read-only)	\??\O:	Ldefv.exe
File opened (read-only)	\??\Y:	Ldefv.exe
File opened (read-only)	\??\Q:	Ldefv.exe
File opened (read-only)	\??\T:	Ldefv.exe
File opened (read-only)	\??\U:	Ldefv.exe
File opened (read-only)	\??\W:	Ldefv.exe
File opened (read-only)	\??\Z:	Ldefv.exe
File opened (read-only)	\??\G:	Ldefv.exe
File opened (read-only)	\??\H:	Ldefv.exe
File opened (read-only)	\??\P:	Ldefv.exe
File opened (read-only)	\??\L:	Ldefv.exe
File opened (read-only)	\??\V:	Ldefv.exe
File opened (read-only)	\??\X:	Ldefv.exe
File opened (read-only)	\??\B:	Ldefv.exe
File opened (read-only)	\??\J:	Ldefv.exe
File opened (read-only)	\??\K:	Ldefv.exe

Drops file in System32 directory 2 IoCs

Processes:

c65a6378fc0598b7dbce7c5c7da02e168c7a7a68ca85085eb86b2bca076fa834.exe

description	ioc	process
File created	C:\Windows\SysWOW64\Ldefv.exe	c65a6378fc0598b7dbce7c5c7da02e168c7a7a68ca85085eb86b2bca076fa834.exe
File opened for modification	C:\Windows\SysWOW64\Ldefv.exe	c65a6378fc0598b7dbce7c5c7da02e168c7a7a68ca85085eb86b2bca076fa834.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 18 IoCs

Processes:

c65a6378fc0598b7dbce7c5c7da02e168c7a7a68ca85085eb86b2bca076fa834.exeLdefv.exeLdefv.exe

pid	process
4432	c65a6378fc0598b7dbce7c5c7da02e168c7a7a68ca85085eb86b2bca076fa834.exe
3128	Ldefv.exe
4432	c65a6378fc0598b7dbce7c5c7da02e168c7a7a68ca85085eb86b2bca076fa834.exe
1116	Ldefv.exe
1116	Ldefv.exe
1116	Ldefv.exe
1116	Ldefv.exe
1116	Ldefv.exe
1116	Ldefv.exe
1116	Ldefv.exe
1116	Ldefv.exe
1116	Ldefv.exe
1116	Ldefv.exe
1116	Ldefv.exe
1116	Ldefv.exe
1116	Ldefv.exe
1116	Ldefv.exe
1116	Ldefv.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

Ldefv.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	Ldefv.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	Ldefv.exe

Modifies data under HKEY_USERS 5 IoCs

Processes:

Ldefv.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum	Ldefv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software	Ldefv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft	Ldefv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie	Ldefv.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum\Version = "7"	Ldefv.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3308 PING.EXE

pid	process
3308	PING.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

Ldefv.exe

pid	process
1116	Ldefv.exe
1116	Ldefv.exe
1116	Ldefv.exe
1116	Ldefv.exe
1116	Ldefv.exe
1116	Ldefv.exe
1116	Ldefv.exe
1116	Ldefv.exe
1116	Ldefv.exe
1116	Ldefv.exe
1116	Ldefv.exe
1116	Ldefv.exe
1116	Ldefv.exe
1116	Ldefv.exe
1116	Ldefv.exe
1116	Ldefv.exe
1116	Ldefv.exe
1116	Ldefv.exe
1116	Ldefv.exe
1116	Ldefv.exe
1116	Ldefv.exe
1116	Ldefv.exe
1116	Ldefv.exe
1116	Ldefv.exe
1116	Ldefv.exe
1116	Ldefv.exe
1116	Ldefv.exe
1116	Ldefv.exe
1116	Ldefv.exe
1116	Ldefv.exe
1116	Ldefv.exe
1116	Ldefv.exe
1116	Ldefv.exe
1116	Ldefv.exe
1116	Ldefv.exe
1116	Ldefv.exe
1116	Ldefv.exe
1116	Ldefv.exe
1116	Ldefv.exe
1116	Ldefv.exe
1116	Ldefv.exe
1116	Ldefv.exe
1116	Ldefv.exe
1116	Ldefv.exe
1116	Ldefv.exe
1116	Ldefv.exe
1116	Ldefv.exe
1116	Ldefv.exe
1116	Ldefv.exe
1116	Ldefv.exe
1116	Ldefv.exe
1116	Ldefv.exe
1116	Ldefv.exe
1116	Ldefv.exe
1116	Ldefv.exe
1116	Ldefv.exe
1116	Ldefv.exe
1116	Ldefv.exe
1116	Ldefv.exe
1116	Ldefv.exe
1116	Ldefv.exe
1116	Ldefv.exe
1116	Ldefv.exe
1116	Ldefv.exe

Suspicious behavior: LoadsDriver 1 IoCs

Processes:

Ldefv.exe

pid process

1116 Ldefv.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

c65a6378fc0598b7dbce7c5c7da02e168c7a7a68ca85085eb86b2bca076fa834.exeLdefv.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	4432	c65a6378fc0598b7dbce7c5c7da02e168c7a7a68ca85085eb86b2bca076fa834.exe
Token: SeLoadDriverPrivilege	1116	Ldefv.exe
Token: 33	1116	Ldefv.exe
Token: SeIncBasePriorityPrivilege	1116	Ldefv.exe
Token: 33	1116	Ldefv.exe
Token: SeIncBasePriorityPrivilege	1116	Ldefv.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

c65a6378fc0598b7dbce7c5c7da02e168c7a7a68ca85085eb86b2bca076fa834.exeLdefv.exeLdefv.exe

pid process

4432 c65a6378fc0598b7dbce7c5c7da02e168c7a7a68ca85085eb86b2bca076fa834.exe
3128 Ldefv.exe
1116 Ldefv.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

c65a6378fc0598b7dbce7c5c7da02e168c7a7a68ca85085eb86b2bca076fa834.exeLdefv.execmd.exe

description	pid	process	target process
PID 4432 wrote to memory of 380	4432	c65a6378fc0598b7dbce7c5c7da02e168c7a7a68ca85085eb86b2bca076fa834.exe	cmd.exe
PID 4432 wrote to memory of 380	4432	c65a6378fc0598b7dbce7c5c7da02e168c7a7a68ca85085eb86b2bca076fa834.exe	cmd.exe
PID 4432 wrote to memory of 380	4432	c65a6378fc0598b7dbce7c5c7da02e168c7a7a68ca85085eb86b2bca076fa834.exe	cmd.exe
PID 3128 wrote to memory of 1116	3128	Ldefv.exe	Ldefv.exe
PID 3128 wrote to memory of 1116	3128	Ldefv.exe	Ldefv.exe
PID 3128 wrote to memory of 1116	3128	Ldefv.exe	Ldefv.exe
PID 380 wrote to memory of 3308	380	cmd.exe	PING.EXE
PID 380 wrote to memory of 3308	380	cmd.exe	PING.EXE
PID 380 wrote to memory of 3308	380	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\c65a6378fc0598b7dbce7c5c7da02e168c7a7a68ca85085eb86b2bca076fa834.exe
"C:\Users\Admin\AppData\Local\Temp\c65a6378fc0598b7dbce7c5c7da02e168c7a7a68ca85085eb86b2bca076fa834.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4432

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\C65A63~1.EXE > nul
2⤵
- Suspicious use of WriteProcessMemory
PID:380

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
3⤵
- Runs ping.exe
PID:3308

C:\Windows\SysWOW64\Ldefv.exe
C:\Windows\SysWOW64\Ldefv.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3128

C:\Windows\SysWOW64\Ldefv.exe
C:\Windows\SysWOW64\Ldefv.exe -acsi
2⤵
- Drops file in Drivers directory
- Executes dropped EXE
- Sets service image path in registry
- Enumerates connected drives
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: LoadsDriver
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1116

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

2

T1012

Peripheral Device Discovery

1

T1120

System Information Discovery

2

T1082

Remote System Discovery

1

T1018

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Windows\SysWOW64\Ldefv.exe
Filesize
1.6MB

MD5
946fe5fe68faf24c5797c25e5bcb49e0

SHA1
c0dff732a3f1f132a72187d5fc2192737e813928

SHA256
c65a6378fc0598b7dbce7c5c7da02e168c7a7a68ca85085eb86b2bca076fa834

SHA512
99ab38b6379f2105b5b1f20e96613b20ded004f822a4c893cd4e2e17968ae5650a57898db01be4055226afaa03e54901c576f54eca85662e3b37c71b924dbb4c

Download Submit
C:\Windows\SysWOW64\Ldefv.exe
Filesize
1.6MB

MD5
946fe5fe68faf24c5797c25e5bcb49e0

SHA1
c0dff732a3f1f132a72187d5fc2192737e813928

SHA256
c65a6378fc0598b7dbce7c5c7da02e168c7a7a68ca85085eb86b2bca076fa834

SHA512
99ab38b6379f2105b5b1f20e96613b20ded004f822a4c893cd4e2e17968ae5650a57898db01be4055226afaa03e54901c576f54eca85662e3b37c71b924dbb4c

Download Submit
C:\Windows\SysWOW64\Ldefv.exe
Filesize
1.6MB

MD5
946fe5fe68faf24c5797c25e5bcb49e0

SHA1
c0dff732a3f1f132a72187d5fc2192737e813928

SHA256
c65a6378fc0598b7dbce7c5c7da02e168c7a7a68ca85085eb86b2bca076fa834

SHA512
99ab38b6379f2105b5b1f20e96613b20ded004f822a4c893cd4e2e17968ae5650a57898db01be4055226afaa03e54901c576f54eca85662e3b37c71b924dbb4c

Download Submit
memory/380-147-0x0000000000000000-mapping.dmp

Download
memory/1116-148-0x0000000000000000-mapping.dmp

Download
memory/1116-151-0x0000000000400000-0x000000000089B000-memory.dmp

Filesize
4.6MB

Download
memory/1116-153-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download
memory/1116-160-0x0000000000400000-0x000000000089B000-memory.dmp

Filesize
4.6MB

Download
memory/3128-141-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download
memory/3128-150-0x0000000000400000-0x000000000089B000-memory.dmp

Filesize
4.6MB

Download
memory/3308-156-0x0000000000000000-mapping.dmp

Download
memory/4432-132-0x0000000000400000-0x000000000089B000-memory.dmp

Filesize
4.6MB

Download
memory/4432-133-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download
memory/4432-152-0x0000000000400000-0x000000000089B000-memory.dmp

Filesize
4.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads