gh0strat | b759eda4a2f54df366c57b2e7334474bacc7f74ceceea1dfa6438e40d80efdf3

General

Target

b759eda4a2f54df366c57b2e7334474bacc7f74ceceea1dfa6438e40d80efdf3.exe
Size

3.6MB
MD5

416ff66c1dc67324b25190d1fa3159f6
SHA1

cfba24c89e3b072ef8a8648f5a3aeff6a17a47c1
SHA256

b759eda4a2f54df366c57b2e7334474bacc7f74ceceea1dfa6438e40d80efdf3
SHA512

34dd8e4971550a045de8cbcba4ade580d618b9f65030e602f67ba8177c275503e60d6fee01593c35bf307f4f43203e6abc59c8f78551502c1f6f816aaadbd8ab
SSDEEP

49152:t09XJt4HIN2H2tFvduySMgWW1Dmn2X5+0vY3u6c20LAonnHeJ9EWWB:OZJt4HINy2LkQW1Dmn2Xk0vjAoHe9WB

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/2084-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2084-12-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2084-8-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1324-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1324-25-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3064-32-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3064-33-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3064-38-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3064-72-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2084-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2084-12-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2084-8-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1324-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1324-25-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3064-32-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3064-33-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3064-38-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3064-72-0x0000000010000000-0x00000000101B6000-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_b759eda4a2f54df366c57b2e7334474bacc7f74ceceea1dfa6438e40d80efdf3.exe

pid process

2084 RVN.exe
1324 TXPlatforn.exe
3064 TXPlatforn.exe
2484 HD_b759eda4a2f54df366c57b2e7334474bacc7f74ceceea1dfa6438e40d80efdf3.exe

pid	process
2084	RVN.exe
1324	TXPlatforn.exe
3064	TXPlatforn.exe
2484	HD_b759eda4a2f54df366c57b2e7334474bacc7f74ceceea1dfa6438e40d80efdf3.exe

Loads dropped DLL 3 IoCs

Processes:

b759eda4a2f54df366c57b2e7334474bacc7f74ceceea1dfa6438e40d80efdf3.exeTXPlatforn.exe

pid	process
2820	b759eda4a2f54df366c57b2e7334474bacc7f74ceceea1dfa6438e40d80efdf3.exe
1324	TXPlatforn.exe
2820	b759eda4a2f54df366c57b2e7334474bacc7f74ceceea1dfa6438e40d80efdf3.exe

UPX packed file 10 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/2084-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2084-12-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2084-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2084-8-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1324-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1324-25-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3064-32-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3064-33-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3064-38-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3064-72-0x0000000010000000-0x00000000101B6000-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:

b759eda4a2f54df366c57b2e7334474bacc7f74ceceea1dfa6438e40d80efdf3.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	b759eda4a2f54df366c57b2e7334474bacc7f74ceceea1dfa6438e40d80efdf3.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	b759eda4a2f54df366c57b2e7334474bacc7f74ceceea1dfa6438e40d80efdf3.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	b759eda4a2f54df366c57b2e7334474bacc7f74ceceea1dfa6438e40d80efdf3.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	b759eda4a2f54df366c57b2e7334474bacc7f74ceceea1dfa6438e40d80efdf3.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

2988 PING.EXE
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

b759eda4a2f54df366c57b2e7334474bacc7f74ceceea1dfa6438e40d80efdf3.exe

pid process

2820 b759eda4a2f54df366c57b2e7334474bacc7f74ceceea1dfa6438e40d80efdf3.exe
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatforn.exe

pid process

3064 TXPlatforn.exe

pid	process
2988	PING.EXE

pid	process
3064	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

RVN.exeTXPlatforn.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2084	RVN.exe
Token: SeLoadDriverPrivilege	3064	TXPlatforn.exe
Token: 33	3064	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	3064	TXPlatforn.exe
Token: 33	3064	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	3064	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

b759eda4a2f54df366c57b2e7334474bacc7f74ceceea1dfa6438e40d80efdf3.exe

pid	process
2820	b759eda4a2f54df366c57b2e7334474bacc7f74ceceea1dfa6438e40d80efdf3.exe
2820	b759eda4a2f54df366c57b2e7334474bacc7f74ceceea1dfa6438e40d80efdf3.exe

Suspicious use of WriteProcessMemory 26 IoCs

Processes:

b759eda4a2f54df366c57b2e7334474bacc7f74ceceea1dfa6438e40d80efdf3.exeRVN.exeTXPlatforn.execmd.exe

description	pid	process	target process
PID 2820 wrote to memory of 2084	2820	b759eda4a2f54df366c57b2e7334474bacc7f74ceceea1dfa6438e40d80efdf3.exe	RVN.exe
PID 2820 wrote to memory of 2084	2820	b759eda4a2f54df366c57b2e7334474bacc7f74ceceea1dfa6438e40d80efdf3.exe	RVN.exe
PID 2820 wrote to memory of 2084	2820	b759eda4a2f54df366c57b2e7334474bacc7f74ceceea1dfa6438e40d80efdf3.exe	RVN.exe
PID 2820 wrote to memory of 2084	2820	b759eda4a2f54df366c57b2e7334474bacc7f74ceceea1dfa6438e40d80efdf3.exe	RVN.exe
PID 2820 wrote to memory of 2084	2820	b759eda4a2f54df366c57b2e7334474bacc7f74ceceea1dfa6438e40d80efdf3.exe	RVN.exe
PID 2820 wrote to memory of 2084	2820	b759eda4a2f54df366c57b2e7334474bacc7f74ceceea1dfa6438e40d80efdf3.exe	RVN.exe
PID 2820 wrote to memory of 2084	2820	b759eda4a2f54df366c57b2e7334474bacc7f74ceceea1dfa6438e40d80efdf3.exe	RVN.exe
PID 2084 wrote to memory of 2436	2084	RVN.exe	cmd.exe
PID 2084 wrote to memory of 2436	2084	RVN.exe	cmd.exe
PID 2084 wrote to memory of 2436	2084	RVN.exe	cmd.exe
PID 2084 wrote to memory of 2436	2084	RVN.exe	cmd.exe
PID 1324 wrote to memory of 3064	1324	TXPlatforn.exe	TXPlatforn.exe
PID 1324 wrote to memory of 3064	1324	TXPlatforn.exe	TXPlatforn.exe
PID 1324 wrote to memory of 3064	1324	TXPlatforn.exe	TXPlatforn.exe
PID 1324 wrote to memory of 3064	1324	TXPlatforn.exe	TXPlatforn.exe
PID 1324 wrote to memory of 3064	1324	TXPlatforn.exe	TXPlatforn.exe
PID 1324 wrote to memory of 3064	1324	TXPlatforn.exe	TXPlatforn.exe
PID 1324 wrote to memory of 3064	1324	TXPlatforn.exe	TXPlatforn.exe
PID 2820 wrote to memory of 2484	2820	b759eda4a2f54df366c57b2e7334474bacc7f74ceceea1dfa6438e40d80efdf3.exe	HD_b759eda4a2f54df366c57b2e7334474bacc7f74ceceea1dfa6438e40d80efdf3.exe
PID 2820 wrote to memory of 2484	2820	b759eda4a2f54df366c57b2e7334474bacc7f74ceceea1dfa6438e40d80efdf3.exe	HD_b759eda4a2f54df366c57b2e7334474bacc7f74ceceea1dfa6438e40d80efdf3.exe
PID 2820 wrote to memory of 2484	2820	b759eda4a2f54df366c57b2e7334474bacc7f74ceceea1dfa6438e40d80efdf3.exe	HD_b759eda4a2f54df366c57b2e7334474bacc7f74ceceea1dfa6438e40d80efdf3.exe
PID 2820 wrote to memory of 2484	2820	b759eda4a2f54df366c57b2e7334474bacc7f74ceceea1dfa6438e40d80efdf3.exe	HD_b759eda4a2f54df366c57b2e7334474bacc7f74ceceea1dfa6438e40d80efdf3.exe
PID 2436 wrote to memory of 2988	2436	cmd.exe	PING.EXE
PID 2436 wrote to memory of 2988	2436	cmd.exe	PING.EXE
PID 2436 wrote to memory of 2988	2436	cmd.exe	PING.EXE
PID 2436 wrote to memory of 2988	2436	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\b759eda4a2f54df366c57b2e7334474bacc7f74ceceea1dfa6438e40d80efdf3.exe
"C:\Users\Admin\AppData\Local\Temp\b759eda4a2f54df366c57b2e7334474bacc7f74ceceea1dfa6438e40d80efdf3.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2820

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:2084

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:2436

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:2988

C:\Users\Admin\AppData\Local\Temp\HD_b759eda4a2f54df366c57b2e7334474bacc7f74ceceea1dfa6438e40d80efdf3.exe
C:\Users\Admin\AppData\Local\Temp\HD_b759eda4a2f54df366c57b2e7334474bacc7f74ceceea1dfa6438e40d80efdf3.exe
2⤵
- Executes dropped EXE
PID:2484

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1324

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:3064

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
1.5MB

MD5
2138e35c80242050be3fb7110c0ebce7

SHA1
c5993393cdc58b2da20039503c7e048b50e066ae

SHA256
e4960ce1c3c7d1b948b684e607e1b4cd3665d8920702bbcd6f1c175adef3001c

SHA512
1f414fb624f14881513a7a2659d04d127ad01876f16fd82d73e9de7457204be72a03ad9c025dd5709aec561975b03991eb03357d436c7aa2c2b2b2655301a75c

Download Submit
C:\Users\Admin\AppData\Local\Temp\HD_b759eda4a2f54df366c57b2e7334474bacc7f74ceceea1dfa6438e40d80efdf3.exe

Filesize
2.1MB

MD5
9bcea9023e06d18fec2f77abff9bcd23

SHA1
2e9937861dc8c9de4715ba9afd787c6a2e662ab3

SHA256
9d81011233bbe5e668ed2d55e4e4d0b8f5ad7aafa23c88ce5757f3c9585f79f2

SHA512
6c05950f6fb4be87d5b07e30d30760583881ef1d2888ef97d00696b961b14ec80c421cdf26ebbd9e45d6a95f7e91c37714bd8168f257f8808a3f716ed61a15ae

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

Filesize
377KB

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

Download Submit
memory/1324-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1324-25-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2084-8-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2084-5-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2084-12-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2084-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2484-39-0x000000013FAB0000-0x000000013FD83000-memory.dmp

Filesize
2.8MB

Download
memory/2820-73-0x0000000002C50000-0x0000000002F23000-memory.dmp

Filesize
2.8MB

Download
memory/2820-79-0x0000000002C50000-0x0000000002F23000-memory.dmp

Filesize
2.8MB

Download
memory/3064-32-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3064-33-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3064-38-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3064-72-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads