gh0strat | f53f5380bb1f1a97bb57979d1f68d56944b43dd4fd951db1a006df5b325a4591

General

Target

f53f5380bb1f1a97bb57979d1f68d56944b43dd4fd951db1a006df5b325a4591.exe
Size

377KB
MD5

d0ccd1ef73a60b65e796da49328291a8
SHA1

5e91f99b304bbdc0b7759ea81017d4d6690a8fdf
SHA256

f53f5380bb1f1a97bb57979d1f68d56944b43dd4fd951db1a006df5b325a4591
SHA512

57bac31de4c14713b8faeb6bd323968ed4d3c9cc7a715764836eb9362b1ddcf913569f04af5d45e600f545bc9197e3f069e3706a855fe9f6545ab40751d53d62
SSDEEP

6144:bYrjz6wmPuD78neE6DpQLQNIzXpWR/6QwvcjFuJtuzvdwkjr7nc:qmkD4eE6DqfXpWB6QwEjEzuzND

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 6 IoCs

Detect PurpleFox Rootkit.

rootkit

Processes:

resource	yara_rule
behavioral1/memory/1048-57-0x0000000010000000-0x00000000101B5000-memory.dmp	purplefox_rootkit
behavioral1/memory/1048-58-0x0000000010000000-0x00000000101B5000-memory.dmp	purplefox_rootkit
behavioral1/memory/960-69-0x0000000010000000-0x00000000101B5000-memory.dmp	purplefox_rootkit
behavioral1/memory/1048-68-0x0000000010000000-0x00000000101B5000-memory.dmp	purplefox_rootkit
behavioral1/memory/1424-77-0x0000000010000000-0x00000000101B5000-memory.dmp	purplefox_rootkit
behavioral1/memory/1424-78-0x0000000010000000-0x00000000101B5000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1048-57-0x0000000010000000-0x00000000101B5000-memory.dmp	family_gh0strat
behavioral1/memory/1048-58-0x0000000010000000-0x00000000101B5000-memory.dmp	family_gh0strat
behavioral1/memory/960-69-0x0000000010000000-0x00000000101B5000-memory.dmp	family_gh0strat
behavioral1/memory/1048-68-0x0000000010000000-0x00000000101B5000-memory.dmp	family_gh0strat
behavioral1/memory/1424-77-0x0000000010000000-0x00000000101B5000-memory.dmp	family_gh0strat
behavioral1/memory/1424-78-0x0000000010000000-0x00000000101B5000-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:

Vnoph.exe

description ioc process

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

Processes:

Vnoph.exeVnoph.exe

pid process

960 Vnoph.exe
1424 Vnoph.exe
Sets service image path in registry 2 TTPs 1 IoCs
persistence

Registry Run Keys / Startup Folder
T1060

Modify Registry
T1112

Processes:

Vnoph.exe

description ioc process

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

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

pid	process
960	Vnoph.exe
1424	Vnoph.exe

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

UPX packed file 7 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/1048-55-0x0000000010000000-0x00000000101B5000-memory.dmp	upx
behavioral1/memory/1048-57-0x0000000010000000-0x00000000101B5000-memory.dmp	upx
behavioral1/memory/1048-58-0x0000000010000000-0x00000000101B5000-memory.dmp	upx
behavioral1/memory/960-69-0x0000000010000000-0x00000000101B5000-memory.dmp	upx
behavioral1/memory/1048-68-0x0000000010000000-0x00000000101B5000-memory.dmp	upx
behavioral1/memory/1424-77-0x0000000010000000-0x00000000101B5000-memory.dmp	upx
behavioral1/memory/1424-78-0x0000000010000000-0x00000000101B5000-memory.dmp	upx

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1356 cmd.exe
Loads dropped DLL 1 IoCs

Processes:

Vnoph.exe

pid process

960 Vnoph.exe

pid	process
1356	cmd.exe

pid	process
960	Vnoph.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:

Vnoph.exe

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

Drops file in System32 directory 2 IoCs

Processes:

f53f5380bb1f1a97bb57979d1f68d56944b43dd4fd951db1a006df5b325a4591.exe

description	ioc	process
File created	C:\Windows\SysWOW64\Vnoph.exe	f53f5380bb1f1a97bb57979d1f68d56944b43dd4fd951db1a006df5b325a4591.exe
File opened for modification	C:\Windows\SysWOW64\Vnoph.exe	f53f5380bb1f1a97bb57979d1f68d56944b43dd4fd951db1a006df5b325a4591.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:

Vnoph.exe

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

Modifies data under HKEY_USERS 6 IoCs

Processes:

Vnoph.exe

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

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1940 PING.EXE

pid	process
1940	PING.EXE

Suspicious behavior: EnumeratesProcesses 33 IoCs

Processes:

Vnoph.exe

pid	process
1424	Vnoph.exe
1424	Vnoph.exe
1424	Vnoph.exe
1424	Vnoph.exe
1424	Vnoph.exe
1424	Vnoph.exe
1424	Vnoph.exe
1424	Vnoph.exe
1424	Vnoph.exe
1424	Vnoph.exe
1424	Vnoph.exe
1424	Vnoph.exe
1424	Vnoph.exe
1424	Vnoph.exe
1424	Vnoph.exe
1424	Vnoph.exe
1424	Vnoph.exe
1424	Vnoph.exe
1424	Vnoph.exe
1424	Vnoph.exe
1424	Vnoph.exe
1424	Vnoph.exe
1424	Vnoph.exe
1424	Vnoph.exe
1424	Vnoph.exe
1424	Vnoph.exe
1424	Vnoph.exe
1424	Vnoph.exe
1424	Vnoph.exe
1424	Vnoph.exe
1424	Vnoph.exe
1424	Vnoph.exe
1424	Vnoph.exe

Suspicious behavior: LoadsDriver 1 IoCs

Processes:

Vnoph.exe

pid process

1424 Vnoph.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

f53f5380bb1f1a97bb57979d1f68d56944b43dd4fd951db1a006df5b325a4591.exeVnoph.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1048	f53f5380bb1f1a97bb57979d1f68d56944b43dd4fd951db1a006df5b325a4591.exe
Token: SeLoadDriverPrivilege	1424	Vnoph.exe
Token: 33	1424	Vnoph.exe
Token: SeIncBasePriorityPrivilege	1424	Vnoph.exe
Token: 33	1424	Vnoph.exe
Token: SeIncBasePriorityPrivilege	1424	Vnoph.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

f53f5380bb1f1a97bb57979d1f68d56944b43dd4fd951db1a006df5b325a4591.exeVnoph.execmd.exe

description	pid	process	target process
PID 1048 wrote to memory of 1356	1048	f53f5380bb1f1a97bb57979d1f68d56944b43dd4fd951db1a006df5b325a4591.exe	cmd.exe
PID 1048 wrote to memory of 1356	1048	f53f5380bb1f1a97bb57979d1f68d56944b43dd4fd951db1a006df5b325a4591.exe	cmd.exe
PID 1048 wrote to memory of 1356	1048	f53f5380bb1f1a97bb57979d1f68d56944b43dd4fd951db1a006df5b325a4591.exe	cmd.exe
PID 1048 wrote to memory of 1356	1048	f53f5380bb1f1a97bb57979d1f68d56944b43dd4fd951db1a006df5b325a4591.exe	cmd.exe
PID 960 wrote to memory of 1424	960	Vnoph.exe	Vnoph.exe
PID 960 wrote to memory of 1424	960	Vnoph.exe	Vnoph.exe
PID 960 wrote to memory of 1424	960	Vnoph.exe	Vnoph.exe
PID 960 wrote to memory of 1424	960	Vnoph.exe	Vnoph.exe
PID 960 wrote to memory of 1424	960	Vnoph.exe	Vnoph.exe
PID 960 wrote to memory of 1424	960	Vnoph.exe	Vnoph.exe
PID 960 wrote to memory of 1424	960	Vnoph.exe	Vnoph.exe
PID 1356 wrote to memory of 1940	1356	cmd.exe	PING.EXE
PID 1356 wrote to memory of 1940	1356	cmd.exe	PING.EXE
PID 1356 wrote to memory of 1940	1356	cmd.exe	PING.EXE
PID 1356 wrote to memory of 1940	1356	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\f53f5380bb1f1a97bb57979d1f68d56944b43dd4fd951db1a006df5b325a4591.exe
"C:\Users\Admin\AppData\Local\Temp\f53f5380bb1f1a97bb57979d1f68d56944b43dd4fd951db1a006df5b325a4591.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1048

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\F53F53~1.EXE > nul
2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:1356

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
3⤵
- Runs ping.exe
PID:1940

C:\Windows\SysWOW64\Vnoph.exe
C:\Windows\SysWOW64\Vnoph.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:960

C:\Windows\SysWOW64\Vnoph.exe
C:\Windows\SysWOW64\Vnoph.exe -acsi
2⤵
- Drops file in Drivers directory
- Executes dropped EXE
- Sets service image path in registry
- Enumerates connected drives
- Checks processor information in registry
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: LoadsDriver
- Suspicious use of AdjustPrivilegeToken
PID:1424

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\SysWOW64\Vnoph.exe
Filesize
377KB

MD5
d0ccd1ef73a60b65e796da49328291a8

SHA1
5e91f99b304bbdc0b7759ea81017d4d6690a8fdf

SHA256
f53f5380bb1f1a97bb57979d1f68d56944b43dd4fd951db1a006df5b325a4591

SHA512
57bac31de4c14713b8faeb6bd323968ed4d3c9cc7a715764836eb9362b1ddcf913569f04af5d45e600f545bc9197e3f069e3706a855fe9f6545ab40751d53d62

Download Submit
C:\Windows\SysWOW64\Vnoph.exe
Filesize
377KB

MD5
d0ccd1ef73a60b65e796da49328291a8

SHA1
5e91f99b304bbdc0b7759ea81017d4d6690a8fdf

SHA256
f53f5380bb1f1a97bb57979d1f68d56944b43dd4fd951db1a006df5b325a4591

SHA512
57bac31de4c14713b8faeb6bd323968ed4d3c9cc7a715764836eb9362b1ddcf913569f04af5d45e600f545bc9197e3f069e3706a855fe9f6545ab40751d53d62

Download Submit
\Windows\SysWOW64\Vnoph.exe
Filesize
377KB

MD5
d0ccd1ef73a60b65e796da49328291a8

SHA1
5e91f99b304bbdc0b7759ea81017d4d6690a8fdf

SHA256
f53f5380bb1f1a97bb57979d1f68d56944b43dd4fd951db1a006df5b325a4591

SHA512
57bac31de4c14713b8faeb6bd323968ed4d3c9cc7a715764836eb9362b1ddcf913569f04af5d45e600f545bc9197e3f069e3706a855fe9f6545ab40751d53d62

Download Submit
memory/960-69-0x0000000010000000-0x00000000101B5000-memory.dmp

Filesize
1.7MB

Download
memory/1048-58-0x0000000010000000-0x00000000101B5000-memory.dmp

Filesize
1.7MB

Download
memory/1048-54-0x0000000076171000-0x0000000076173000-memory.dmp

Filesize
8KB

Download
memory/1048-57-0x0000000010000000-0x00000000101B5000-memory.dmp

Filesize
1.7MB

Download
memory/1048-68-0x0000000010000000-0x00000000101B5000-memory.dmp

Filesize
1.7MB

Download
memory/1048-55-0x0000000010000000-0x00000000101B5000-memory.dmp

Filesize
1.7MB

Download
memory/1356-65-0x0000000000000000-mapping.dmp

Download
memory/1424-67-0x0000000000000000-mapping.dmp

Download
memory/1424-77-0x0000000010000000-0x00000000101B5000-memory.dmp

Filesize
1.7MB

Download
memory/1424-78-0x0000000010000000-0x00000000101B5000-memory.dmp

Filesize
1.7MB

Download
memory/1940-76-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads