gh0strat | 498f43907d32c290b4785e8555e98e38c3ef2cf251a9c85426b5145c39820054

General

Target

498f43907d32c290b4785e8555e98e38c3ef2cf251a9c85426b5145c39820054.exe
Size

4.5MB
MD5

eaadbe877c811940d0e20265816d69e1
SHA1

bf5cc9a8c2b4ad388968f8acd29523e93ea18b4b
SHA256

498f43907d32c290b4785e8555e98e38c3ef2cf251a9c85426b5145c39820054
SHA512

2c36cbe2555ab07fff1d16b84ed5e625131ef2bfe9e4eb16d73a5e2a6f105696c0a3c7b3f45626a12055d839e0ae77b37045bbf93e6f0548334b0d245f287292
SSDEEP

49152:Y09XJt4HIN2H2tFvduyShbXsPNIULkmp1/j6AeXZG7wmpvGF1IP9z5WuHC4O8b8R:9ZJt4HINy2LkhbXsPN5kiQaZ56

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/2192-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2192-9-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2192-8-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1552-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2964-31-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1552-35-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2964-33-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2964-39-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2964-51-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2192-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2192-9-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2192-8-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1552-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2964-31-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1552-35-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2964-33-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2964-39-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2964-51-0x0000000010000000-0x00000000101B6000-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_498f43907d32c290b4785e8555e98e38c3ef2cf251a9c85426b5145c39820054.exe

pid process

2192 RVN.exe
1552 TXPlatforn.exe
2964 TXPlatforn.exe
2648 HD_498f43907d32c290b4785e8555e98e38c3ef2cf251a9c85426b5145c39820054.exe

pid	process
2192	RVN.exe
1552	TXPlatforn.exe
2964	TXPlatforn.exe
2648	HD_498f43907d32c290b4785e8555e98e38c3ef2cf251a9c85426b5145c39820054.exe

Loads dropped DLL 3 IoCs

Processes:

498f43907d32c290b4785e8555e98e38c3ef2cf251a9c85426b5145c39820054.exeTXPlatforn.exe

pid	process
3048	498f43907d32c290b4785e8555e98e38c3ef2cf251a9c85426b5145c39820054.exe
1552	TXPlatforn.exe
3048	498f43907d32c290b4785e8555e98e38c3ef2cf251a9c85426b5145c39820054.exe

UPX packed file 10 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/2192-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2192-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2192-9-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2192-8-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1552-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2964-31-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1552-35-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2964-33-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2964-39-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2964-51-0x0000000010000000-0x00000000101B6000-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:

498f43907d32c290b4785e8555e98e38c3ef2cf251a9c85426b5145c39820054.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	498f43907d32c290b4785e8555e98e38c3ef2cf251a9c85426b5145c39820054.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	498f43907d32c290b4785e8555e98e38c3ef2cf251a9c85426b5145c39820054.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	498f43907d32c290b4785e8555e98e38c3ef2cf251a9c85426b5145c39820054.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	498f43907d32c290b4785e8555e98e38c3ef2cf251a9c85426b5145c39820054.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

2660 PING.EXE
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

498f43907d32c290b4785e8555e98e38c3ef2cf251a9c85426b5145c39820054.exe

pid process

3048 498f43907d32c290b4785e8555e98e38c3ef2cf251a9c85426b5145c39820054.exe
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatforn.exe

pid process

2964 TXPlatforn.exe

pid	process
2660	PING.EXE

pid	process
2964	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

RVN.exeTXPlatforn.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2192	RVN.exe
Token: SeLoadDriverPrivilege	2964	TXPlatforn.exe
Token: 33	2964	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2964	TXPlatforn.exe
Token: 33	2964	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2964	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

498f43907d32c290b4785e8555e98e38c3ef2cf251a9c85426b5145c39820054.exe

pid	process
3048	498f43907d32c290b4785e8555e98e38c3ef2cf251a9c85426b5145c39820054.exe
3048	498f43907d32c290b4785e8555e98e38c3ef2cf251a9c85426b5145c39820054.exe

Suspicious use of WriteProcessMemory 26 IoCs

Processes:

498f43907d32c290b4785e8555e98e38c3ef2cf251a9c85426b5145c39820054.exeRVN.exeTXPlatforn.execmd.exe

description	pid	process	target process
PID 3048 wrote to memory of 2192	3048	498f43907d32c290b4785e8555e98e38c3ef2cf251a9c85426b5145c39820054.exe	RVN.exe
PID 3048 wrote to memory of 2192	3048	498f43907d32c290b4785e8555e98e38c3ef2cf251a9c85426b5145c39820054.exe	RVN.exe
PID 3048 wrote to memory of 2192	3048	498f43907d32c290b4785e8555e98e38c3ef2cf251a9c85426b5145c39820054.exe	RVN.exe
PID 3048 wrote to memory of 2192	3048	498f43907d32c290b4785e8555e98e38c3ef2cf251a9c85426b5145c39820054.exe	RVN.exe
PID 3048 wrote to memory of 2192	3048	498f43907d32c290b4785e8555e98e38c3ef2cf251a9c85426b5145c39820054.exe	RVN.exe
PID 3048 wrote to memory of 2192	3048	498f43907d32c290b4785e8555e98e38c3ef2cf251a9c85426b5145c39820054.exe	RVN.exe
PID 3048 wrote to memory of 2192	3048	498f43907d32c290b4785e8555e98e38c3ef2cf251a9c85426b5145c39820054.exe	RVN.exe
PID 2192 wrote to memory of 2724	2192	RVN.exe	cmd.exe
PID 2192 wrote to memory of 2724	2192	RVN.exe	cmd.exe
PID 2192 wrote to memory of 2724	2192	RVN.exe	cmd.exe
PID 2192 wrote to memory of 2724	2192	RVN.exe	cmd.exe
PID 1552 wrote to memory of 2964	1552	TXPlatforn.exe	TXPlatforn.exe
PID 1552 wrote to memory of 2964	1552	TXPlatforn.exe	TXPlatforn.exe
PID 1552 wrote to memory of 2964	1552	TXPlatforn.exe	TXPlatforn.exe
PID 1552 wrote to memory of 2964	1552	TXPlatforn.exe	TXPlatforn.exe
PID 1552 wrote to memory of 2964	1552	TXPlatforn.exe	TXPlatforn.exe
PID 1552 wrote to memory of 2964	1552	TXPlatforn.exe	TXPlatforn.exe
PID 1552 wrote to memory of 2964	1552	TXPlatforn.exe	TXPlatforn.exe
PID 3048 wrote to memory of 2648	3048	498f43907d32c290b4785e8555e98e38c3ef2cf251a9c85426b5145c39820054.exe	HD_498f43907d32c290b4785e8555e98e38c3ef2cf251a9c85426b5145c39820054.exe
PID 3048 wrote to memory of 2648	3048	498f43907d32c290b4785e8555e98e38c3ef2cf251a9c85426b5145c39820054.exe	HD_498f43907d32c290b4785e8555e98e38c3ef2cf251a9c85426b5145c39820054.exe
PID 3048 wrote to memory of 2648	3048	498f43907d32c290b4785e8555e98e38c3ef2cf251a9c85426b5145c39820054.exe	HD_498f43907d32c290b4785e8555e98e38c3ef2cf251a9c85426b5145c39820054.exe
PID 3048 wrote to memory of 2648	3048	498f43907d32c290b4785e8555e98e38c3ef2cf251a9c85426b5145c39820054.exe	HD_498f43907d32c290b4785e8555e98e38c3ef2cf251a9c85426b5145c39820054.exe
PID 2724 wrote to memory of 2660	2724	cmd.exe	PING.EXE
PID 2724 wrote to memory of 2660	2724	cmd.exe	PING.EXE
PID 2724 wrote to memory of 2660	2724	cmd.exe	PING.EXE
PID 2724 wrote to memory of 2660	2724	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\498f43907d32c290b4785e8555e98e38c3ef2cf251a9c85426b5145c39820054.exe
"C:\Users\Admin\AppData\Local\Temp\498f43907d32c290b4785e8555e98e38c3ef2cf251a9c85426b5145c39820054.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3048

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:2192

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:2724

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:2660

C:\Users\Admin\AppData\Local\Temp\HD_498f43907d32c290b4785e8555e98e38c3ef2cf251a9c85426b5145c39820054.exe
C:\Users\Admin\AppData\Local\Temp\HD_498f43907d32c290b4785e8555e98e38c3ef2cf251a9c85426b5145c39820054.exe
2⤵
- Executes dropped EXE
PID:2648

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1552

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:2964

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
1.4MB

MD5
833f2a9fa9ea230ad5d64d826f7cc795

SHA1
f89c46ccca3dfec84a2d16e2d33514012c36907c

SHA256
595eeb8986e7a503029ea11c30b5a318e48104aa26740827a9e8aabf51eebfa7

SHA512
dc27f5cd99a3b895f0ca0861e796a7b56f0ffe201300157b4ed1f71f771b85d672b114ed4d344ac70a0f4080dd70fe13dd55524a1693842d9e4fae63e584faef

Download Submit
\Users\Admin\AppData\Local\Temp\HD_498f43907d32c290b4785e8555e98e38c3ef2cf251a9c85426b5145c39820054.exe
Filesize
3.1MB

MD5
fb083acd60fe5c3156dc25442be815e3

SHA1
61df59b8f3ebd8b3d29ca3aedc4995e23cacf6d8

SHA256
f130b3789962d5c8b59aa250d6f26ad5945928f3905b32bf65aa7bd30348a794

SHA512
7147337d2c1006bb15cfa967c9eea6826b63c8d343f866e7454d7368d25019f39e52cf179500810834244c3ca9644d6c0df0b2c3128a9051e9ee6b428fa926f6

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

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

Download Submit
memory/1552-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1552-35-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2192-9-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2192-8-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2192-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2192-5-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2964-31-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2964-33-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2964-39-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2964-51-0x0000000010000000-0x00000000101B6000-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