gh0strat | 3cb2fd26e550c2210a94d899a48ecd53216457e9c33f4a623bb3bb63263062a8

General

Target

Server.exe
Size

396KB
MD5

5efd6f7577970a139e6c496353a4d440
SHA1

9eb248739c9ee37463dc7894556dbab953e830d6
SHA256

3cb2fd26e550c2210a94d899a48ecd53216457e9c33f4a623bb3bb63263062a8
SHA512

d46d560854e594a7426075b482d39b728d8ad02907ada85fa24acf63903e5ed012d975698cba975d3247174c6be7f7686014a66d5f8df326eeef54997cb20761
SSDEEP

12288:sb5DbPowllDRf9Ib2JONfUcri1RcQP2a+:s9Dbg6lV9C2JOBUIc12a+

Score

10^/10

gh0strat purplefox rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 9 IoCs

Detect PurpleFox Rootkit.

rootkit

Processes:

resource	yara_rule
behavioral2/memory/3724-135-0x0000000010000000-0x00000000101B9000-memory.dmp	purplefox_rootkit
behavioral2/memory/3724-136-0x0000000010000000-0x00000000101B9000-memory.dmp	purplefox_rootkit
behavioral2/memory/3724-134-0x0000000010000000-0x00000000101B9000-memory.dmp	purplefox_rootkit
behavioral2/memory/3392-141-0x0000000010000000-0x00000000101B9000-memory.dmp	purplefox_rootkit
behavioral2/memory/3392-142-0x0000000010000000-0x00000000101B9000-memory.dmp	purplefox_rootkit
behavioral2/memory/3724-144-0x0000000010000000-0x00000000101B9000-memory.dmp	purplefox_rootkit
behavioral2/memory/3392-149-0x0000000010000000-0x00000000101B9000-memory.dmp	purplefox_rootkit
behavioral2/memory/4164-153-0x0000000010000000-0x00000000101B9000-memory.dmp	purplefox_rootkit
behavioral2/memory/4164-154-0x0000000010000000-0x00000000101B9000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3724-135-0x0000000010000000-0x00000000101B9000-memory.dmp	family_gh0strat
behavioral2/memory/3724-136-0x0000000010000000-0x00000000101B9000-memory.dmp	family_gh0strat
behavioral2/memory/3724-134-0x0000000010000000-0x00000000101B9000-memory.dmp	family_gh0strat
behavioral2/memory/3392-141-0x0000000010000000-0x00000000101B9000-memory.dmp	family_gh0strat
behavioral2/memory/3392-142-0x0000000010000000-0x00000000101B9000-memory.dmp	family_gh0strat
behavioral2/memory/3724-144-0x0000000010000000-0x00000000101B9000-memory.dmp	family_gh0strat
behavioral2/memory/3392-149-0x0000000010000000-0x00000000101B9000-memory.dmp	family_gh0strat
behavioral2/memory/4164-153-0x0000000010000000-0x00000000101B9000-memory.dmp	family_gh0strat
behavioral2/memory/4164-154-0x0000000010000000-0x00000000101B9000-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
Executes dropped EXE 2 IoCs

Processes:

Ghiya.exeGhiya.exe

pid process

3392 Ghiya.exe
4164 Ghiya.exe

pid	process
3392	Ghiya.exe
4164	Ghiya.exe

UPX packed file 11 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/3724-132-0x0000000010000000-0x00000000101B9000-memory.dmp	upx
behavioral2/memory/3724-135-0x0000000010000000-0x00000000101B9000-memory.dmp	upx
behavioral2/memory/3724-136-0x0000000010000000-0x00000000101B9000-memory.dmp	upx
behavioral2/memory/3724-134-0x0000000010000000-0x00000000101B9000-memory.dmp	upx
behavioral2/memory/3392-139-0x0000000010000000-0x00000000101B9000-memory.dmp	upx
behavioral2/memory/3392-141-0x0000000010000000-0x00000000101B9000-memory.dmp	upx
behavioral2/memory/3392-142-0x0000000010000000-0x00000000101B9000-memory.dmp	upx
behavioral2/memory/3724-144-0x0000000010000000-0x00000000101B9000-memory.dmp	upx
behavioral2/memory/3392-149-0x0000000010000000-0x00000000101B9000-memory.dmp	upx
behavioral2/memory/4164-153-0x0000000010000000-0x00000000101B9000-memory.dmp	upx
behavioral2/memory/4164-154-0x0000000010000000-0x00000000101B9000-memory.dmp	upx

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:

Ghiya.exe

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

Drops file in System32 directory 2 IoCs

Processes:

Server.exe

description ioc process

File created C:\Windows\SysWOW64\Ghiya.exe Server.exe
File opened for modification C:\Windows\SysWOW64\Ghiya.exe Server.exe

description	ioc	process
File created	C:\Windows\SysWOW64\Ghiya.exe	Server.exe
File opened for modification	C:\Windows\SysWOW64\Ghiya.exe	Server.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:

Ghiya.exe

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

Modifies data under HKEY_USERS 5 IoCs

Processes:

Ghiya.exe

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

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2508 PING.EXE

pid	process
2508	PING.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

Ghiya.exe

pid	process
4164	Ghiya.exe
4164	Ghiya.exe
4164	Ghiya.exe
4164	Ghiya.exe
4164	Ghiya.exe
4164	Ghiya.exe
4164	Ghiya.exe
4164	Ghiya.exe
4164	Ghiya.exe
4164	Ghiya.exe
4164	Ghiya.exe
4164	Ghiya.exe
4164	Ghiya.exe
4164	Ghiya.exe
4164	Ghiya.exe
4164	Ghiya.exe
4164	Ghiya.exe
4164	Ghiya.exe
4164	Ghiya.exe
4164	Ghiya.exe
4164	Ghiya.exe
4164	Ghiya.exe
4164	Ghiya.exe
4164	Ghiya.exe
4164	Ghiya.exe
4164	Ghiya.exe
4164	Ghiya.exe
4164	Ghiya.exe
4164	Ghiya.exe
4164	Ghiya.exe
4164	Ghiya.exe
4164	Ghiya.exe
4164	Ghiya.exe
4164	Ghiya.exe
4164	Ghiya.exe
4164	Ghiya.exe
4164	Ghiya.exe
4164	Ghiya.exe
4164	Ghiya.exe
4164	Ghiya.exe
4164	Ghiya.exe
4164	Ghiya.exe
4164	Ghiya.exe
4164	Ghiya.exe
4164	Ghiya.exe
4164	Ghiya.exe
4164	Ghiya.exe
4164	Ghiya.exe
4164	Ghiya.exe
4164	Ghiya.exe
4164	Ghiya.exe
4164	Ghiya.exe
4164	Ghiya.exe
4164	Ghiya.exe
4164	Ghiya.exe
4164	Ghiya.exe
4164	Ghiya.exe
4164	Ghiya.exe
4164	Ghiya.exe
4164	Ghiya.exe
4164	Ghiya.exe
4164	Ghiya.exe
4164	Ghiya.exe
4164	Ghiya.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Server.exe

description pid process

Token: SeIncBasePriorityPrivilege 3724 Server.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3724	Server.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

Server.exeGhiya.execmd.exe

description	pid	process	target process
PID 3724 wrote to memory of 1944	3724	Server.exe	cmd.exe
PID 3724 wrote to memory of 1944	3724	Server.exe	cmd.exe
PID 3724 wrote to memory of 1944	3724	Server.exe	cmd.exe
PID 3392 wrote to memory of 4164	3392	Ghiya.exe	Ghiya.exe
PID 3392 wrote to memory of 4164	3392	Ghiya.exe	Ghiya.exe
PID 3392 wrote to memory of 4164	3392	Ghiya.exe	Ghiya.exe
PID 1944 wrote to memory of 2508	1944	cmd.exe	PING.EXE
PID 1944 wrote to memory of 2508	1944	cmd.exe	PING.EXE
PID 1944 wrote to memory of 2508	1944	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\Server.exe
"C:\Users\Admin\AppData\Local\Temp\Server.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3724

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\Server.exe > nul
2⤵
- Suspicious use of WriteProcessMemory
PID:1944

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
3⤵
- Runs ping.exe
PID:2508

C:\Windows\SysWOW64\Ghiya.exe
C:\Windows\SysWOW64\Ghiya.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3392

C:\Windows\SysWOW64\Ghiya.exe
C:\Windows\SysWOW64\Ghiya.exe -acsi
2⤵
- Executes dropped EXE
- Enumerates connected drives
- Checks processor information in registry
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
PID:4164

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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\Ghiya.exe
Filesize
396KB

MD5
5efd6f7577970a139e6c496353a4d440

SHA1
9eb248739c9ee37463dc7894556dbab953e830d6

SHA256
3cb2fd26e550c2210a94d899a48ecd53216457e9c33f4a623bb3bb63263062a8

SHA512
d46d560854e594a7426075b482d39b728d8ad02907ada85fa24acf63903e5ed012d975698cba975d3247174c6be7f7686014a66d5f8df326eeef54997cb20761

Download Submit
C:\Windows\SysWOW64\Ghiya.exe
Filesize
396KB

MD5
5efd6f7577970a139e6c496353a4d440

SHA1
9eb248739c9ee37463dc7894556dbab953e830d6

SHA256
3cb2fd26e550c2210a94d899a48ecd53216457e9c33f4a623bb3bb63263062a8

SHA512
d46d560854e594a7426075b482d39b728d8ad02907ada85fa24acf63903e5ed012d975698cba975d3247174c6be7f7686014a66d5f8df326eeef54997cb20761

Download Submit
C:\Windows\SysWOW64\Ghiya.exe
Filesize
396KB

MD5
5efd6f7577970a139e6c496353a4d440

SHA1
9eb248739c9ee37463dc7894556dbab953e830d6

SHA256
3cb2fd26e550c2210a94d899a48ecd53216457e9c33f4a623bb3bb63263062a8

SHA512
d46d560854e594a7426075b482d39b728d8ad02907ada85fa24acf63903e5ed012d975698cba975d3247174c6be7f7686014a66d5f8df326eeef54997cb20761

Download Submit
memory/1944-143-0x0000000000000000-mapping.dmp

Download
memory/2508-152-0x0000000000000000-mapping.dmp

Download
memory/3392-142-0x0000000010000000-0x00000000101B9000-memory.dmp

Filesize
1.7MB

Download
memory/3392-139-0x0000000010000000-0x00000000101B9000-memory.dmp

Filesize
1.7MB

Download
memory/3392-141-0x0000000010000000-0x00000000101B9000-memory.dmp

Filesize
1.7MB

Download
memory/3392-149-0x0000000010000000-0x00000000101B9000-memory.dmp

Filesize
1.7MB

Download
memory/3724-132-0x0000000010000000-0x00000000101B9000-memory.dmp

Filesize
1.7MB

Download
memory/3724-134-0x0000000010000000-0x00000000101B9000-memory.dmp

Filesize
1.7MB

Download
memory/3724-136-0x0000000010000000-0x00000000101B9000-memory.dmp

Filesize
1.7MB

Download
memory/3724-144-0x0000000010000000-0x00000000101B9000-memory.dmp

Filesize
1.7MB

Download
memory/3724-135-0x0000000010000000-0x00000000101B9000-memory.dmp

Filesize
1.7MB

Download
memory/4164-145-0x0000000000000000-mapping.dmp

Download
memory/4164-153-0x0000000010000000-0x00000000101B9000-memory.dmp

Filesize
1.7MB

Download
memory/4164-154-0x0000000010000000-0x00000000101B9000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads