gh0strat | 439eec3674b4d5ee5df61bf3a9e0ac13a38348d655a7bcae31f0d1a20c5bda26

General

Target

439eec3674b4d5ee5df61bf3a9e0ac13a38348d655a7bcae31f0d1a20c5bda26.exe
Size

1.2MB
MD5

de3fc0ea7876f6f2b2b8130adc1d5cac
SHA1

6c3183985a7b85ef7fcfa96cf197957d7540cd7e
SHA256

439eec3674b4d5ee5df61bf3a9e0ac13a38348d655a7bcae31f0d1a20c5bda26
SHA512

218a66c33581536c77a4b1f256b16975412f11e43681aec63b68c8582752d03e199d9a7e9aaf6caf9939cfe0932f0aef5f63ebd83f1386df8878f3c64bafeece
SSDEEP

24576:009tv9/7JtDElDEExIko2H2HESq2eWJ6MQjySjy+dkJ:009XJt4HIN2H2tFvduySXkJ

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 9 IoCs

Detect PurpleFox Rootkit.

rootkit

Processes:

resource	yara_rule
behavioral1/memory/3032-9-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3032-8-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2740-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3032-21-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2628-67-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2628-66-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2628-62-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2740-51-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2628-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

Processes:

resource	yara_rule
behavioral1/memory/3032-9-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3032-8-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2740-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3032-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2628-67-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2628-66-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2628-62-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2740-51-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2628-28-0x0000000010000000-0x00000000101B6000-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:

TXPlatforn.exe

description ioc process

File created C:\Windows\system32\drivers\QAssist.sys TXPlatforn.exe

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

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

TXPlatforn.exe

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

Executes dropped EXE 3 IoCs

Processes:

RVN.exeTXPlatforn.exeTXPlatforn.exe

pid process

3032 RVN.exe
2740 TXPlatforn.exe
2628 TXPlatforn.exe
Loads dropped DLL 2 IoCs

Processes:

439eec3674b4d5ee5df61bf3a9e0ac13a38348d655a7bcae31f0d1a20c5bda26.exeTXPlatforn.exe

pid process

2936 439eec3674b4d5ee5df61bf3a9e0ac13a38348d655a7bcae31f0d1a20c5bda26.exe
2740 TXPlatforn.exe

pid	process
3032	RVN.exe
2740	TXPlatforn.exe
2628	TXPlatforn.exe

UPX packed file 10 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/3032-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3032-9-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3032-8-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2740-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3032-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2628-67-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2628-66-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2628-62-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2740-51-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2628-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 2 IoCs

Processes:

RVN.exe

description ioc process

File created C:\Windows\SysWOW64\TXPlatforn.exe RVN.exe
File opened for modification C:\Windows\SysWOW64\TXPlatforn.exe RVN.exe

description	ioc	process
File created	C:\Windows\SysWOW64\TXPlatforn.exe	RVN.exe
File opened for modification	C:\Windows\SysWOW64\TXPlatforn.exe	RVN.exe

Drops file in Program Files directory 4 IoCs

Processes:

439eec3674b4d5ee5df61bf3a9e0ac13a38348d655a7bcae31f0d1a20c5bda26.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	439eec3674b4d5ee5df61bf3a9e0ac13a38348d655a7bcae31f0d1a20c5bda26.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	439eec3674b4d5ee5df61bf3a9e0ac13a38348d655a7bcae31f0d1a20c5bda26.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	439eec3674b4d5ee5df61bf3a9e0ac13a38348d655a7bcae31f0d1a20c5bda26.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	439eec3674b4d5ee5df61bf3a9e0ac13a38348d655a7bcae31f0d1a20c5bda26.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

804 PING.EXE
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatforn.exe

pid process

2628 TXPlatforn.exe

pid	process
804	PING.EXE

pid	process
2628	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

RVN.exeTXPlatforn.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3032	RVN.exe
Token: SeLoadDriverPrivilege	2628	TXPlatforn.exe
Token: 33	2628	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2628	TXPlatforn.exe
Token: 33	2628	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2628	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

439eec3674b4d5ee5df61bf3a9e0ac13a38348d655a7bcae31f0d1a20c5bda26.exe

pid	process
2936	439eec3674b4d5ee5df61bf3a9e0ac13a38348d655a7bcae31f0d1a20c5bda26.exe
2936	439eec3674b4d5ee5df61bf3a9e0ac13a38348d655a7bcae31f0d1a20c5bda26.exe

Suspicious use of WriteProcessMemory 22 IoCs

Processes:

439eec3674b4d5ee5df61bf3a9e0ac13a38348d655a7bcae31f0d1a20c5bda26.exeRVN.exeTXPlatforn.execmd.exe

description	pid	process	target process
PID 2936 wrote to memory of 3032	2936	439eec3674b4d5ee5df61bf3a9e0ac13a38348d655a7bcae31f0d1a20c5bda26.exe	RVN.exe
PID 2936 wrote to memory of 3032	2936	439eec3674b4d5ee5df61bf3a9e0ac13a38348d655a7bcae31f0d1a20c5bda26.exe	RVN.exe
PID 2936 wrote to memory of 3032	2936	439eec3674b4d5ee5df61bf3a9e0ac13a38348d655a7bcae31f0d1a20c5bda26.exe	RVN.exe
PID 2936 wrote to memory of 3032	2936	439eec3674b4d5ee5df61bf3a9e0ac13a38348d655a7bcae31f0d1a20c5bda26.exe	RVN.exe
PID 2936 wrote to memory of 3032	2936	439eec3674b4d5ee5df61bf3a9e0ac13a38348d655a7bcae31f0d1a20c5bda26.exe	RVN.exe
PID 2936 wrote to memory of 3032	2936	439eec3674b4d5ee5df61bf3a9e0ac13a38348d655a7bcae31f0d1a20c5bda26.exe	RVN.exe
PID 2936 wrote to memory of 3032	2936	439eec3674b4d5ee5df61bf3a9e0ac13a38348d655a7bcae31f0d1a20c5bda26.exe	RVN.exe
PID 3032 wrote to memory of 2568	3032	RVN.exe	cmd.exe
PID 3032 wrote to memory of 2568	3032	RVN.exe	cmd.exe
PID 3032 wrote to memory of 2568	3032	RVN.exe	cmd.exe
PID 3032 wrote to memory of 2568	3032	RVN.exe	cmd.exe
PID 2740 wrote to memory of 2628	2740	TXPlatforn.exe	TXPlatforn.exe
PID 2740 wrote to memory of 2628	2740	TXPlatforn.exe	TXPlatforn.exe
PID 2740 wrote to memory of 2628	2740	TXPlatforn.exe	TXPlatforn.exe
PID 2740 wrote to memory of 2628	2740	TXPlatforn.exe	TXPlatforn.exe
PID 2740 wrote to memory of 2628	2740	TXPlatforn.exe	TXPlatforn.exe
PID 2740 wrote to memory of 2628	2740	TXPlatforn.exe	TXPlatforn.exe
PID 2740 wrote to memory of 2628	2740	TXPlatforn.exe	TXPlatforn.exe
PID 2568 wrote to memory of 804	2568	cmd.exe	PING.EXE
PID 2568 wrote to memory of 804	2568	cmd.exe	PING.EXE
PID 2568 wrote to memory of 804	2568	cmd.exe	PING.EXE
PID 2568 wrote to memory of 804	2568	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\439eec3674b4d5ee5df61bf3a9e0ac13a38348d655a7bcae31f0d1a20c5bda26.exe
"C:\Users\Admin\AppData\Local\Temp\439eec3674b4d5ee5df61bf3a9e0ac13a38348d655a7bcae31f0d1a20c5bda26.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2936

C:\Users\Admin\AppData\Local\Temp\RVN.exe
C:\Users\Admin\AppData\Local\Temp\\RVN.exe
2⤵
- Executes dropped EXE
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3032

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\RVN.exe > nul
3⤵
- Suspicious use of WriteProcessMemory
PID:2568

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:804

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2740

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.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:2628

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Remote System Discovery

1

T1018

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\HD_X.dat

Filesize
1.2MB

MD5
de3fc0ea7876f6f2b2b8130adc1d5cac

SHA1
6c3183985a7b85ef7fcfa96cf197957d7540cd7e

SHA256
439eec3674b4d5ee5df61bf3a9e0ac13a38348d655a7bcae31f0d1a20c5bda26

SHA512
218a66c33581536c77a4b1f256b16975412f11e43681aec63b68c8582752d03e199d9a7e9aaf6caf9939cfe0932f0aef5f63ebd83f1386df8878f3c64bafeece

Download Submit
\Users\Admin\AppData\Local\Temp\RVN.exe

Filesize
377KB

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

Download Submit
memory/2628-67-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2628-66-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2628-62-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2628-28-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2740-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2740-51-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3032-5-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3032-9-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3032-8-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3032-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads