gh0strat | a3d26cc9f1ef31e2a93feee819d919794e6d797d5ef2d964d27707d619fe76c9

General

Target

a3d26cc9f1ef31e2a93feee819d919794e6d797d5ef2d964d27707d619fe76c9.exe
Size

1.3MB
MD5

0a3d6dd2012f69d73f54efae7435bb26
SHA1

0047c26fd0e361c63afda409cf16080dc5f1f4be
SHA256

a3d26cc9f1ef31e2a93feee819d919794e6d797d5ef2d964d27707d619fe76c9
SHA512

4c4b6bb587aff9fe29f6a9916a4bcb55e3f493680be5aed67f3c6b44768b9db1cb802354e3138bbdfebc6474c0bd467f06e45fbe3011e989c89c1258f4fd9a8c
SSDEEP

24576:l09tv9/7JtDElDEExIko2H2HESq2eWJ6MQjySjy+mC:l09XJt4HIN2H2tFvduySP

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/2828-9-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2828-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2828-8-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2368-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2568-59-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2568-60-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2368-62-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2568-66-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2568-65-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2828-9-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2828-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2828-8-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2368-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2568-59-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2568-60-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2368-62-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2568-66-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2568-65-0x0000000010000000-0x00000000101B6000-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

2828 RVN.exe
2368 TXPlatforn.exe
2568 TXPlatforn.exe
Loads dropped DLL 2 IoCs

Processes:

a3d26cc9f1ef31e2a93feee819d919794e6d797d5ef2d964d27707d619fe76c9.exeTXPlatforn.exe

pid process

2156 a3d26cc9f1ef31e2a93feee819d919794e6d797d5ef2d964d27707d619fe76c9.exe
2368 TXPlatforn.exe

pid	process
2828	RVN.exe
2368	TXPlatforn.exe
2568	TXPlatforn.exe

UPX packed file 10 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/2828-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2828-9-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2828-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2828-8-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2368-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2568-59-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2568-60-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2368-62-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2568-66-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2568-65-0x0000000010000000-0x00000000101B6000-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:

a3d26cc9f1ef31e2a93feee819d919794e6d797d5ef2d964d27707d619fe76c9.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	a3d26cc9f1ef31e2a93feee819d919794e6d797d5ef2d964d27707d619fe76c9.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	a3d26cc9f1ef31e2a93feee819d919794e6d797d5ef2d964d27707d619fe76c9.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	a3d26cc9f1ef31e2a93feee819d919794e6d797d5ef2d964d27707d619fe76c9.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	a3d26cc9f1ef31e2a93feee819d919794e6d797d5ef2d964d27707d619fe76c9.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

2740 PING.EXE
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatforn.exe

pid process

2568 TXPlatforn.exe

pid	process
2740	PING.EXE

pid	process
2568	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

RVN.exeTXPlatforn.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2828	RVN.exe
Token: SeLoadDriverPrivilege	2568	TXPlatforn.exe
Token: 33	2568	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2568	TXPlatforn.exe
Token: 33	2568	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2568	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

a3d26cc9f1ef31e2a93feee819d919794e6d797d5ef2d964d27707d619fe76c9.exe

pid	process
2156	a3d26cc9f1ef31e2a93feee819d919794e6d797d5ef2d964d27707d619fe76c9.exe
2156	a3d26cc9f1ef31e2a93feee819d919794e6d797d5ef2d964d27707d619fe76c9.exe

Suspicious use of WriteProcessMemory 22 IoCs

Processes:

a3d26cc9f1ef31e2a93feee819d919794e6d797d5ef2d964d27707d619fe76c9.exeRVN.exeTXPlatforn.execmd.exe

description	pid	process	target process
PID 2156 wrote to memory of 2828	2156	a3d26cc9f1ef31e2a93feee819d919794e6d797d5ef2d964d27707d619fe76c9.exe	RVN.exe
PID 2156 wrote to memory of 2828	2156	a3d26cc9f1ef31e2a93feee819d919794e6d797d5ef2d964d27707d619fe76c9.exe	RVN.exe
PID 2156 wrote to memory of 2828	2156	a3d26cc9f1ef31e2a93feee819d919794e6d797d5ef2d964d27707d619fe76c9.exe	RVN.exe
PID 2156 wrote to memory of 2828	2156	a3d26cc9f1ef31e2a93feee819d919794e6d797d5ef2d964d27707d619fe76c9.exe	RVN.exe
PID 2156 wrote to memory of 2828	2156	a3d26cc9f1ef31e2a93feee819d919794e6d797d5ef2d964d27707d619fe76c9.exe	RVN.exe
PID 2156 wrote to memory of 2828	2156	a3d26cc9f1ef31e2a93feee819d919794e6d797d5ef2d964d27707d619fe76c9.exe	RVN.exe
PID 2156 wrote to memory of 2828	2156	a3d26cc9f1ef31e2a93feee819d919794e6d797d5ef2d964d27707d619fe76c9.exe	RVN.exe
PID 2828 wrote to memory of 2672	2828	RVN.exe	cmd.exe
PID 2828 wrote to memory of 2672	2828	RVN.exe	cmd.exe
PID 2828 wrote to memory of 2672	2828	RVN.exe	cmd.exe
PID 2828 wrote to memory of 2672	2828	RVN.exe	cmd.exe
PID 2368 wrote to memory of 2568	2368	TXPlatforn.exe	TXPlatforn.exe
PID 2368 wrote to memory of 2568	2368	TXPlatforn.exe	TXPlatforn.exe
PID 2368 wrote to memory of 2568	2368	TXPlatforn.exe	TXPlatforn.exe
PID 2368 wrote to memory of 2568	2368	TXPlatforn.exe	TXPlatforn.exe
PID 2368 wrote to memory of 2568	2368	TXPlatforn.exe	TXPlatforn.exe
PID 2368 wrote to memory of 2568	2368	TXPlatforn.exe	TXPlatforn.exe
PID 2368 wrote to memory of 2568	2368	TXPlatforn.exe	TXPlatforn.exe
PID 2672 wrote to memory of 2740	2672	cmd.exe	PING.EXE
PID 2672 wrote to memory of 2740	2672	cmd.exe	PING.EXE
PID 2672 wrote to memory of 2740	2672	cmd.exe	PING.EXE
PID 2672 wrote to memory of 2740	2672	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\a3d26cc9f1ef31e2a93feee819d919794e6d797d5ef2d964d27707d619fe76c9.exe
"C:\Users\Admin\AppData\Local\Temp\a3d26cc9f1ef31e2a93feee819d919794e6d797d5ef2d964d27707d619fe76c9.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2156

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:2828

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:2672

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:2740

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2368

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:2568

Network

MITRE ATT&CK Matrix ATT&CK v13

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

System Information Discovery

1

T1082

Remote System Discovery

1

T1018

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\HD_X.dat
Filesize
1.3MB

MD5
0a3d6dd2012f69d73f54efae7435bb26

SHA1
0047c26fd0e361c63afda409cf16080dc5f1f4be

SHA256
a3d26cc9f1ef31e2a93feee819d919794e6d797d5ef2d964d27707d619fe76c9

SHA512
4c4b6bb587aff9fe29f6a9916a4bcb55e3f493680be5aed67f3c6b44768b9db1cb802354e3138bbdfebc6474c0bd467f06e45fbe3011e989c89c1258f4fd9a8c

Download Submit
\Users\Admin\AppData\Local\Temp\RVN.exe
Filesize
377KB

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

Download Submit
memory/2368-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2368-62-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2568-59-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2568-60-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2568-66-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2568-65-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2828-5-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2828-9-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2828-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2828-8-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads