gh0strat | 6bca0a8f07bc05d2cf0b4612e38f946bfcd8706fe4db6e80910f82a86f5a6c20

General

Target

6bca0a8f07bc05d2cf0b4612e38f946bfcd8706fe4db6e80910f82a86f5a6c20.exe
Size

1.1MB
MD5

b19c093912623717a34225087fc29b73
SHA1

f631110b23fbc7f88ea1ecffd0c8372f1b57a9b5
SHA256

6bca0a8f07bc05d2cf0b4612e38f946bfcd8706fe4db6e80910f82a86f5a6c20
SHA512

25252edc4770afcafd505ae833d47ce7633a84fcac8d714430353e7f02f455557fa91365f86b3383a8aaed14d00c086c96306e36f87c0f4a2a5700f0fcd84b15
SSDEEP

24576:X09tv9/7JtDElDEExIko2H2HESq2eWJ6MQjySjy+s:X09XJt4HIN2H2tFvduySS

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 8 IoCs

Detect PurpleFox Rootkit.

rootkit

Processes:

resource	yara_rule
behavioral1/memory/2144-12-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2144-8-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2144-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2284-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2588-64-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2588-60-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2284-59-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2588-65-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 8 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2144-12-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2144-8-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2144-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2284-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2588-64-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2588-60-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2284-59-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2588-65-0x0000000010000000-0x00000000101B6000-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

2144 RVN.exe
2284 TXPlatforn.exe
2588 TXPlatforn.exe
Loads dropped DLL 2 IoCs

Processes:

6bca0a8f07bc05d2cf0b4612e38f946bfcd8706fe4db6e80910f82a86f5a6c20.exeTXPlatforn.exe

pid process

2140 6bca0a8f07bc05d2cf0b4612e38f946bfcd8706fe4db6e80910f82a86f5a6c20.exe
2284 TXPlatforn.exe

pid	process
2144	RVN.exe
2284	TXPlatforn.exe
2588	TXPlatforn.exe

UPX packed file 9 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/2144-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2144-12-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2144-8-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2144-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2284-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2588-64-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2588-60-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2284-59-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2588-65-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 2 IoCs

Processes:

RVN.exe

description ioc process

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

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

Drops file in Program Files directory 4 IoCs

Processes:

6bca0a8f07bc05d2cf0b4612e38f946bfcd8706fe4db6e80910f82a86f5a6c20.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	6bca0a8f07bc05d2cf0b4612e38f946bfcd8706fe4db6e80910f82a86f5a6c20.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	6bca0a8f07bc05d2cf0b4612e38f946bfcd8706fe4db6e80910f82a86f5a6c20.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	6bca0a8f07bc05d2cf0b4612e38f946bfcd8706fe4db6e80910f82a86f5a6c20.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	6bca0a8f07bc05d2cf0b4612e38f946bfcd8706fe4db6e80910f82a86f5a6c20.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

2896 PING.EXE
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatforn.exe

pid process

2588 TXPlatforn.exe

pid	process
2896	PING.EXE

pid	process
2588	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

RVN.exeTXPlatforn.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2144	RVN.exe
Token: SeLoadDriverPrivilege	2588	TXPlatforn.exe
Token: 33	2588	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2588	TXPlatforn.exe
Token: 33	2588	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2588	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

6bca0a8f07bc05d2cf0b4612e38f946bfcd8706fe4db6e80910f82a86f5a6c20.exe

pid	process
2140	6bca0a8f07bc05d2cf0b4612e38f946bfcd8706fe4db6e80910f82a86f5a6c20.exe
2140	6bca0a8f07bc05d2cf0b4612e38f946bfcd8706fe4db6e80910f82a86f5a6c20.exe

Suspicious use of WriteProcessMemory 22 IoCs

Processes:

6bca0a8f07bc05d2cf0b4612e38f946bfcd8706fe4db6e80910f82a86f5a6c20.exeRVN.exeTXPlatforn.execmd.exe

description	pid	process	target process
PID 2140 wrote to memory of 2144	2140	6bca0a8f07bc05d2cf0b4612e38f946bfcd8706fe4db6e80910f82a86f5a6c20.exe	RVN.exe
PID 2140 wrote to memory of 2144	2140	6bca0a8f07bc05d2cf0b4612e38f946bfcd8706fe4db6e80910f82a86f5a6c20.exe	RVN.exe
PID 2140 wrote to memory of 2144	2140	6bca0a8f07bc05d2cf0b4612e38f946bfcd8706fe4db6e80910f82a86f5a6c20.exe	RVN.exe
PID 2140 wrote to memory of 2144	2140	6bca0a8f07bc05d2cf0b4612e38f946bfcd8706fe4db6e80910f82a86f5a6c20.exe	RVN.exe
PID 2140 wrote to memory of 2144	2140	6bca0a8f07bc05d2cf0b4612e38f946bfcd8706fe4db6e80910f82a86f5a6c20.exe	RVN.exe
PID 2140 wrote to memory of 2144	2140	6bca0a8f07bc05d2cf0b4612e38f946bfcd8706fe4db6e80910f82a86f5a6c20.exe	RVN.exe
PID 2140 wrote to memory of 2144	2140	6bca0a8f07bc05d2cf0b4612e38f946bfcd8706fe4db6e80910f82a86f5a6c20.exe	RVN.exe
PID 2144 wrote to memory of 2576	2144	RVN.exe	cmd.exe
PID 2144 wrote to memory of 2576	2144	RVN.exe	cmd.exe
PID 2144 wrote to memory of 2576	2144	RVN.exe	cmd.exe
PID 2144 wrote to memory of 2576	2144	RVN.exe	cmd.exe
PID 2284 wrote to memory of 2588	2284	TXPlatforn.exe	TXPlatforn.exe
PID 2284 wrote to memory of 2588	2284	TXPlatforn.exe	TXPlatforn.exe
PID 2284 wrote to memory of 2588	2284	TXPlatforn.exe	TXPlatforn.exe
PID 2284 wrote to memory of 2588	2284	TXPlatforn.exe	TXPlatforn.exe
PID 2284 wrote to memory of 2588	2284	TXPlatforn.exe	TXPlatforn.exe
PID 2284 wrote to memory of 2588	2284	TXPlatforn.exe	TXPlatforn.exe
PID 2284 wrote to memory of 2588	2284	TXPlatforn.exe	TXPlatforn.exe
PID 2576 wrote to memory of 2896	2576	cmd.exe	PING.EXE
PID 2576 wrote to memory of 2896	2576	cmd.exe	PING.EXE
PID 2576 wrote to memory of 2896	2576	cmd.exe	PING.EXE
PID 2576 wrote to memory of 2896	2576	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\6bca0a8f07bc05d2cf0b4612e38f946bfcd8706fe4db6e80910f82a86f5a6c20.exe
"C:\Users\Admin\AppData\Local\Temp\6bca0a8f07bc05d2cf0b4612e38f946bfcd8706fe4db6e80910f82a86f5a6c20.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2140

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:2144

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:2576

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:2896

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2284

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:2588

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\HD_X.dat
Filesize
1.1MB

MD5
b19c093912623717a34225087fc29b73

SHA1
f631110b23fbc7f88ea1ecffd0c8372f1b57a9b5

SHA256
6bca0a8f07bc05d2cf0b4612e38f946bfcd8706fe4db6e80910f82a86f5a6c20

SHA512
25252edc4770afcafd505ae833d47ce7633a84fcac8d714430353e7f02f455557fa91365f86b3383a8aaed14d00c086c96306e36f87c0f4a2a5700f0fcd84b15

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

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

Download Submit
C:\Users\Admin\AppData\Local\Temp\X.ico
Filesize
71KB

MD5
fb44f7af2882d222b600539171f54c1d

SHA1
0c5a1a0b1620a55a0f194464227be25a2f0347e1

SHA256
f2a78e76259bc8fd4ab6af7b4e16dfb49a10643308aca3d14c09e61ac0ebd487

SHA512
21e906473f64303c4c8d55213ccb84f4a803c11fb5eef34ce3194adfb391ccbcc91e7c399556c7a4e4f3d33b9b19524d4499ec771ee8e1a10df26ea7cc2dcb67

Download Submit
memory/2144-5-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2144-12-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2144-8-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2144-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2284-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2284-59-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2588-64-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2588-60-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2588-65-0x0000000010000000-0x00000000101B6000-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