gh0strat | d75fffcf3594a4dce06c859860b99c1fa1939bd9847bcfe029b36ced7a437fd4

General

Target

d75fffcf3594a4dce06c859860b99c1fa1939bd9847bcfe029b36ced7a437fd4.exe
Size

1.4MB
MD5

4f6dd03dd53edcd806066e2f2b6e5c45
SHA1

41393a2aff175ee9e7944ecd1d878b2e326b1e99
SHA256

d75fffcf3594a4dce06c859860b99c1fa1939bd9847bcfe029b36ced7a437fd4
SHA512

793aa745e7c6d23d060ec0e3c1750af51c6d01b13ca76becde40d84a6a9fdd2001911706fde82256f561e871d40661b2f7098d1f328eee54d202f3140637ce67
SSDEEP

24576:O09tv9/7JtDElDEExIko2H2HESq2eWJ6MQjySjy+YNQ4R7yn2ruv+Z:O09XJt4HIN2H2tFvduySmNrR7yn2ruvc

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 11 IoCs

Detect PurpleFox Rootkit.

rootkit

Processes:

resource	yara_rule
behavioral2/memory/5044-6-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/5044-10-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/5044-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3112-15-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3112-16-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3112-17-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4816-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3112-24-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4816-32-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4816-36-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4816-37-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 11 IoCs

Processes:

resource	yara_rule
behavioral2/memory/5044-6-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/5044-10-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/5044-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3112-15-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3112-16-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3112-17-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4816-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3112-24-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4816-32-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4816-36-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4816-37-0x0000000010000000-0x00000000101B6000-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 4 IoCs

Processes:

RVN.exeTXPlatforn.exeTXPlatforn.exeHD_d75fffcf3594a4dce06c859860b99c1fa1939bd9847bcfe029b36ced7a437fd4.exe

pid process

5044 RVN.exe
3112 TXPlatforn.exe
4816 TXPlatforn.exe
1432 HD_d75fffcf3594a4dce06c859860b99c1fa1939bd9847bcfe029b36ced7a437fd4.exe

pid	process
5044	RVN.exe
3112	TXPlatforn.exe
4816	TXPlatforn.exe
1432	HD_d75fffcf3594a4dce06c859860b99c1fa1939bd9847bcfe029b36ced7a437fd4.exe

UPX packed file 13 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/5044-6-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/5044-10-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/5044-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/5044-4-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3112-15-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3112-16-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3112-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3112-14-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4816-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3112-24-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4816-32-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4816-36-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4816-37-0x0000000010000000-0x00000000101B6000-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 5 IoCs

Processes:

d75fffcf3594a4dce06c859860b99c1fa1939bd9847bcfe029b36ced7a437fd4.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	d75fffcf3594a4dce06c859860b99c1fa1939bd9847bcfe029b36ced7a437fd4.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe	d75fffcf3594a4dce06c859860b99c1fa1939bd9847bcfe029b36ced7a437fd4.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	d75fffcf3594a4dce06c859860b99c1fa1939bd9847bcfe029b36ced7a437fd4.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	d75fffcf3594a4dce06c859860b99c1fa1939bd9847bcfe029b36ced7a437fd4.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	d75fffcf3594a4dce06c859860b99c1fa1939bd9847bcfe029b36ced7a437fd4.exe

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

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3336 1432 WerFault.exe HD_d75fffcf3594a4dce06c859860b99c1fa1939bd9847bcfe029b36ced7a437fd4.exe
Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3240 PING.EXE

pid	pid_target	process	target process
3336	1432	WerFault.exe	HD_d75fffcf3594a4dce06c859860b99c1fa1939bd9847bcfe029b36ced7a437fd4.exe

pid	process
3240	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

d75fffcf3594a4dce06c859860b99c1fa1939bd9847bcfe029b36ced7a437fd4.exe

pid	process
2132	d75fffcf3594a4dce06c859860b99c1fa1939bd9847bcfe029b36ced7a437fd4.exe
2132	d75fffcf3594a4dce06c859860b99c1fa1939bd9847bcfe029b36ced7a437fd4.exe

Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatforn.exe

pid process

4816 TXPlatforn.exe

pid	process
4816	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

RVN.exeTXPlatforn.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	5044	RVN.exe
Token: SeLoadDriverPrivilege	4816	TXPlatforn.exe
Token: 33	4816	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	4816	TXPlatforn.exe
Token: 33	4816	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	4816	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

d75fffcf3594a4dce06c859860b99c1fa1939bd9847bcfe029b36ced7a437fd4.exe

pid	process
2132	d75fffcf3594a4dce06c859860b99c1fa1939bd9847bcfe029b36ced7a437fd4.exe
2132	d75fffcf3594a4dce06c859860b99c1fa1939bd9847bcfe029b36ced7a437fd4.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

d75fffcf3594a4dce06c859860b99c1fa1939bd9847bcfe029b36ced7a437fd4.exeRVN.exeTXPlatforn.execmd.exe

description	pid	process	target process
PID 2132 wrote to memory of 5044	2132	d75fffcf3594a4dce06c859860b99c1fa1939bd9847bcfe029b36ced7a437fd4.exe	RVN.exe
PID 2132 wrote to memory of 5044	2132	d75fffcf3594a4dce06c859860b99c1fa1939bd9847bcfe029b36ced7a437fd4.exe	RVN.exe
PID 2132 wrote to memory of 5044	2132	d75fffcf3594a4dce06c859860b99c1fa1939bd9847bcfe029b36ced7a437fd4.exe	RVN.exe
PID 5044 wrote to memory of 2984	5044	RVN.exe	cmd.exe
PID 5044 wrote to memory of 2984	5044	RVN.exe	cmd.exe
PID 5044 wrote to memory of 2984	5044	RVN.exe	cmd.exe
PID 2132 wrote to memory of 1432	2132	d75fffcf3594a4dce06c859860b99c1fa1939bd9847bcfe029b36ced7a437fd4.exe	HD_d75fffcf3594a4dce06c859860b99c1fa1939bd9847bcfe029b36ced7a437fd4.exe
PID 2132 wrote to memory of 1432	2132	d75fffcf3594a4dce06c859860b99c1fa1939bd9847bcfe029b36ced7a437fd4.exe	HD_d75fffcf3594a4dce06c859860b99c1fa1939bd9847bcfe029b36ced7a437fd4.exe
PID 2132 wrote to memory of 1432	2132	d75fffcf3594a4dce06c859860b99c1fa1939bd9847bcfe029b36ced7a437fd4.exe	HD_d75fffcf3594a4dce06c859860b99c1fa1939bd9847bcfe029b36ced7a437fd4.exe
PID 3112 wrote to memory of 4816	3112	TXPlatforn.exe	TXPlatforn.exe
PID 3112 wrote to memory of 4816	3112	TXPlatforn.exe	TXPlatforn.exe
PID 3112 wrote to memory of 4816	3112	TXPlatforn.exe	TXPlatforn.exe
PID 2984 wrote to memory of 3240	2984	cmd.exe	PING.EXE
PID 2984 wrote to memory of 3240	2984	cmd.exe	PING.EXE
PID 2984 wrote to memory of 3240	2984	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\d75fffcf3594a4dce06c859860b99c1fa1939bd9847bcfe029b36ced7a437fd4.exe
"C:\Users\Admin\AppData\Local\Temp\d75fffcf3594a4dce06c859860b99c1fa1939bd9847bcfe029b36ced7a437fd4.exe"
1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2132

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:5044

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:2984

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:3240

C:\Users\Admin\AppData\Local\Temp\HD_d75fffcf3594a4dce06c859860b99c1fa1939bd9847bcfe029b36ced7a437fd4.exe
C:\Users\Admin\AppData\Local\Temp\HD_d75fffcf3594a4dce06c859860b99c1fa1939bd9847bcfe029b36ced7a437fd4.exe
2⤵
- Executes dropped EXE
PID:1432

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1432 -s 804
3⤵
- Program crash
PID:3336

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3112

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:4816

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1432 -ip 1432
1⤵
PID:2072

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
22a2c1f28e513bee9e3adc2d9bc1a808

SHA1
9d6d3ad153e801b712a944f5dbb7be4a0aa2ed75

SHA256
64c4aeb7fa27f2b60db8972a150b483f8e04c59f960a464d18f97cbb0c2ad2e0

SHA512
b3ee03d9f80135562f827cbf83944032c438a88eb2afe81a3bcd8db28cf2b32ff79a517eed38adeda955d9b55109edb050ff85209f4b1a9eea8fb78efa128f79

Download Submit
C:\Users\Admin\AppData\Local\Temp\HD_d75fffcf3594a4dce06c859860b99c1fa1939bd9847bcfe029b36ced7a437fd4.exe
Filesize
57KB

MD5
bb6abff7a381091bd0f291c66888b473

SHA1
fa8c3a88a5f4a8be49d95aa5017ca69dd11bb4d6

SHA256
e11f7958cb26b99b972fd8252ab5f2c42075dff5eee92348012bbe1131ac7537

SHA512
3b5fd81a27cf8cb74490335f6012cf7c24a5ac2fb57052dfcc4f60c005e0b87e7b1bf0298494befdf692f6e5daf888014b0248ed1d7a03836c305840fe2f0bd8

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

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

Download Submit
memory/1432-31-0x00000000745CE000-0x00000000745CF000-memory.dmp

Filesize
4KB

Download
memory/1432-30-0x0000000000DE0000-0x0000000000DEE000-memory.dmp

Filesize
56KB

Download
memory/3112-14-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3112-16-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3112-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3112-15-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3112-24-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4816-29-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4816-32-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4816-36-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4816-37-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/5044-4-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/5044-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/5044-10-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/5044-6-0x0000000010000000-0x00000000101B6000-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