gh0strat | 9a5e9c343569f8b246585d9ebdb19a62e83116e988454ff74e9d6f18d182bc1c

General

Target

245ef358e384f40caf1c178b4825f029.exe
Size

1.2MB
MD5

245ef358e384f40caf1c178b4825f029
SHA1

5c3925af5ff6c842cf4070cdc15c79b5fb5e0e9b
SHA256

9a5e9c343569f8b246585d9ebdb19a62e83116e988454ff74e9d6f18d182bc1c
SHA512

3f82ec02cb3c85fc10d557085ebf073e409ea63db0b1ac935ab9ff2b7a82e77e0ac3f90f7eae2701bd38a9a1b9050376059e596b7e2da4fc86d5053857c9e639
SSDEEP

24576:tIDoTqctaY5effnW8RDsXOvvYG1OArRYfPQcmzeznyG0B:tyoTpE/WwDIGOAYf2KyrB

Score

10^/10

gh0strat purplefox rat rootkit trojan

Malware Config

Extracted

Family

gh0strat

C2

192.253.237.20

Signatures

Detect PurpleFox Rootkit 8 IoCs

Detect PurpleFox Rootkit.

rootkit

Processes:

resource	yara_rule
behavioral1/memory/1740-56-0x0000000010000000-0x0000000010192000-memory.dmp	purplefox_rootkit
behavioral1/memory/1740-64-0x0000000000400000-0x000000000060E000-memory.dmp	purplefox_rootkit
behavioral1/memory/1740-76-0x0000000000400000-0x000000000060E000-memory.dmp	purplefox_rootkit
behavioral1/memory/1744-82-0x0000000000400000-0x000000000060E000-memory.dmp	purplefox_rootkit
behavioral1/memory/756-87-0x0000000000400000-0x000000000060E000-memory.dmp	purplefox_rootkit
behavioral1/memory/756-91-0x0000000000400000-0x000000000060E000-memory.dmp	purplefox_rootkit
behavioral1/memory/756-97-0x0000000000400000-0x000000000060E000-memory.dmp	purplefox_rootkit
behavioral1/memory/756-103-0x0000000000400000-0x000000000060E000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 8 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1740-56-0x0000000010000000-0x0000000010192000-memory.dmp	family_gh0strat
behavioral1/memory/1740-64-0x0000000000400000-0x000000000060E000-memory.dmp	family_gh0strat
behavioral1/memory/1740-76-0x0000000000400000-0x000000000060E000-memory.dmp	family_gh0strat
behavioral1/memory/1744-82-0x0000000000400000-0x000000000060E000-memory.dmp	family_gh0strat
behavioral1/memory/756-87-0x0000000000400000-0x000000000060E000-memory.dmp	family_gh0strat
behavioral1/memory/756-91-0x0000000000400000-0x000000000060E000-memory.dmp	family_gh0strat
behavioral1/memory/756-97-0x0000000000400000-0x000000000060E000-memory.dmp	family_gh0strat
behavioral1/memory/756-103-0x0000000000400000-0x000000000060E000-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
Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

556 cmd.exe
Executes dropped EXE 2 IoCs

Processes:

Deuvn.exeDeuvn.exe

pid process

1744 Deuvn.exe
756 Deuvn.exe

pid	process
556	cmd.exe

pid	process
1744	Deuvn.exe
756	Deuvn.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:

Deuvn.exe

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

Drops file in System32 directory 2 IoCs

Processes:

245ef358e384f40caf1c178b4825f029.exe

description	ioc	process
File created	C:\Windows\SysWOW64\Deuvn.exe	245ef358e384f40caf1c178b4825f029.exe
File opened for modification	C:\Windows\SysWOW64\Deuvn.exe	245ef358e384f40caf1c178b4825f029.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:

Deuvn.exe

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

Modifies data under HKEY_USERS 12 IoCs

Processes:

Deuvn.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft	Deuvn.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\ActiveMovie\devenum\Version = "7"	Deuvn.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	Deuvn.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	Deuvn.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	Deuvn.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	Deuvn.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum	Deuvn.exe
Key created	\REGISTRY\USER\.DEFAULT\Software	Deuvn.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\ActiveMovie	Deuvn.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\ActiveMovie\devenum	Deuvn.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	Deuvn.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	Deuvn.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1108 PING.EXE

pid	process
1108	PING.EXE

Suspicious behavior: EnumeratesProcesses 33 IoCs

Processes:

Deuvn.exe

pid	process
756	Deuvn.exe
756	Deuvn.exe
756	Deuvn.exe
756	Deuvn.exe
756	Deuvn.exe
756	Deuvn.exe
756	Deuvn.exe
756	Deuvn.exe
756	Deuvn.exe
756	Deuvn.exe
756	Deuvn.exe
756	Deuvn.exe
756	Deuvn.exe
756	Deuvn.exe
756	Deuvn.exe
756	Deuvn.exe
756	Deuvn.exe
756	Deuvn.exe
756	Deuvn.exe
756	Deuvn.exe
756	Deuvn.exe
756	Deuvn.exe
756	Deuvn.exe
756	Deuvn.exe
756	Deuvn.exe
756	Deuvn.exe
756	Deuvn.exe
756	Deuvn.exe
756	Deuvn.exe
756	Deuvn.exe
756	Deuvn.exe
756	Deuvn.exe
756	Deuvn.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

245ef358e384f40caf1c178b4825f029.exe

description pid process

Token: SeIncBasePriorityPrivilege 1740 245ef358e384f40caf1c178b4825f029.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1740	245ef358e384f40caf1c178b4825f029.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

245ef358e384f40caf1c178b4825f029.exeDeuvn.execmd.exe

description	pid	process	target process
PID 1740 wrote to memory of 556	1740	245ef358e384f40caf1c178b4825f029.exe	cmd.exe
PID 1740 wrote to memory of 556	1740	245ef358e384f40caf1c178b4825f029.exe	cmd.exe
PID 1740 wrote to memory of 556	1740	245ef358e384f40caf1c178b4825f029.exe	cmd.exe
PID 1740 wrote to memory of 556	1740	245ef358e384f40caf1c178b4825f029.exe	cmd.exe
PID 1744 wrote to memory of 756	1744	Deuvn.exe	Deuvn.exe
PID 1744 wrote to memory of 756	1744	Deuvn.exe	Deuvn.exe
PID 1744 wrote to memory of 756	1744	Deuvn.exe	Deuvn.exe
PID 1744 wrote to memory of 756	1744	Deuvn.exe	Deuvn.exe
PID 556 wrote to memory of 1108	556	cmd.exe	PING.EXE
PID 556 wrote to memory of 1108	556	cmd.exe	PING.EXE
PID 556 wrote to memory of 1108	556	cmd.exe	PING.EXE
PID 556 wrote to memory of 1108	556	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\245ef358e384f40caf1c178b4825f029.exe
"C:\Users\Admin\AppData\Local\Temp\245ef358e384f40caf1c178b4825f029.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1740

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\245EF3~1.EXE > nul
2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:556

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
3⤵
- Runs ping.exe
PID:1108

C:\Windows\SysWOW64\Deuvn.exe
C:\Windows\SysWOW64\Deuvn.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1744

C:\Windows\SysWOW64\Deuvn.exe
C:\Windows\SysWOW64\Deuvn.exe -acsi
2⤵
- Executes dropped EXE
- Enumerates connected drives
- Checks processor information in registry
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
PID:756

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

Remote System Discovery

1

T1018

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\WINDOWS\SYSWOW64\DEUVN.EXE
Filesize
1.2MB

MD5
245ef358e384f40caf1c178b4825f029

SHA1
5c3925af5ff6c842cf4070cdc15c79b5fb5e0e9b

SHA256
9a5e9c343569f8b246585d9ebdb19a62e83116e988454ff74e9d6f18d182bc1c

SHA512
3f82ec02cb3c85fc10d557085ebf073e409ea63db0b1ac935ab9ff2b7a82e77e0ac3f90f7eae2701bd38a9a1b9050376059e596b7e2da4fc86d5053857c9e639

Download Submit
C:\Windows\SysWOW64\Deuvn.exe
Filesize
1.2MB

MD5
245ef358e384f40caf1c178b4825f029

SHA1
5c3925af5ff6c842cf4070cdc15c79b5fb5e0e9b

SHA256
9a5e9c343569f8b246585d9ebdb19a62e83116e988454ff74e9d6f18d182bc1c

SHA512
3f82ec02cb3c85fc10d557085ebf073e409ea63db0b1ac935ab9ff2b7a82e77e0ac3f90f7eae2701bd38a9a1b9050376059e596b7e2da4fc86d5053857c9e639

Download Submit
C:\Windows\SysWOW64\Deuvn.exe
Filesize
1.2MB

MD5
245ef358e384f40caf1c178b4825f029

SHA1
5c3925af5ff6c842cf4070cdc15c79b5fb5e0e9b

SHA256
9a5e9c343569f8b246585d9ebdb19a62e83116e988454ff74e9d6f18d182bc1c

SHA512
3f82ec02cb3c85fc10d557085ebf073e409ea63db0b1ac935ab9ff2b7a82e77e0ac3f90f7eae2701bd38a9a1b9050376059e596b7e2da4fc86d5053857c9e639

Download Submit
memory/756-88-0x0000000000250000-0x000000000025B000-memory.dmp

Filesize
44KB

Download
memory/756-78-0x0000000000400000-0x000000000060E000-memory.dmp

Filesize
2.1MB

Download
memory/756-87-0x0000000000400000-0x000000000060E000-memory.dmp

Filesize
2.1MB

Download
memory/756-91-0x0000000000400000-0x000000000060E000-memory.dmp

Filesize
2.1MB

Download
memory/756-97-0x0000000000400000-0x000000000060E000-memory.dmp

Filesize
2.1MB

Download
memory/756-103-0x0000000000400000-0x000000000060E000-memory.dmp

Filesize
2.1MB

Download
memory/1740-64-0x0000000000400000-0x000000000060E000-memory.dmp

Filesize
2.1MB

Download
memory/1740-56-0x0000000010000000-0x0000000010192000-memory.dmp

Filesize
1.6MB

Download
memory/1740-76-0x0000000000400000-0x000000000060E000-memory.dmp

Filesize
2.1MB

Download
memory/1740-54-0x0000000000400000-0x000000000060E000-memory.dmp

Filesize
2.1MB

Download
memory/1740-65-0x0000000000270000-0x00000000002F0000-memory.dmp

Filesize
512KB

Download
memory/1744-68-0x0000000000400000-0x000000000060E000-memory.dmp

Filesize
2.1MB

Download
memory/1744-82-0x0000000000400000-0x000000000060E000-memory.dmp

Filesize
2.1MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads