gh0strat | d13d9e55a9810eb3f68fd2c247f36ab9b7aa4a1dfaf2653b88a5370ffb7116fe

General

Target

d13d9e55a9810eb3f68fd2c247f36ab9b7aa4a1dfaf2653b88a5370ffb7116fe.exe
Size

3.8MB
MD5

fb2c68ff2dc6d0a1fb3c21aa1b3153a5
SHA1

cd553e1afda742c8ec605d20fc75fa2b761ba4b0
SHA256

d13d9e55a9810eb3f68fd2c247f36ab9b7aa4a1dfaf2653b88a5370ffb7116fe
SHA512

043c18f19f33ecd790e6b1fd09e22e5ecd6585bbab3ebdab07eeaa27686c09e8d9a5c614880903546f9cd045e547aa2192d9e74419f8e451d614368ee068f279
SSDEEP

49152:n09XJt4HIN2H2tFvduySV6KGol2w/VW4Nl6NejPurKqxBQaAnGL0jcP:0ZJt4HINy2LklK4mezGxBX

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 10 IoCs

Detect PurpleFox Rootkit.

rootkit

Processes:

resource	yara_rule
behavioral1/memory/2928-8-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2928-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2928-12-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2980-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2428-32-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2428-31-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2980-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2428-44-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2428-59-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2428-70-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 10 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2928-8-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2928-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2928-12-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2980-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2428-32-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2428-31-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2980-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2428-44-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2428-59-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2428-70-0x0000000010000000-0x00000000101B6000-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.exeHD_d13d9e55a9810eb3f68fd2c247f36ab9b7aa4a1dfaf2653b88a5370ffb7116fe.exeTXPlatforn.exe

pid process

2928 RVN.exe
2980 TXPlatforn.exe
2700 HD_d13d9e55a9810eb3f68fd2c247f36ab9b7aa4a1dfaf2653b88a5370ffb7116fe.exe
2428 TXPlatforn.exe

pid	process
2928	RVN.exe
2980	TXPlatforn.exe
2700	HD_d13d9e55a9810eb3f68fd2c247f36ab9b7aa4a1dfaf2653b88a5370ffb7116fe.exe
2428	TXPlatforn.exe

Loads dropped DLL 3 IoCs

Processes:

d13d9e55a9810eb3f68fd2c247f36ab9b7aa4a1dfaf2653b88a5370ffb7116fe.exeTXPlatforn.exe

pid	process
2924	d13d9e55a9810eb3f68fd2c247f36ab9b7aa4a1dfaf2653b88a5370ffb7116fe.exe
2980	TXPlatforn.exe
2924	d13d9e55a9810eb3f68fd2c247f36ab9b7aa4a1dfaf2653b88a5370ffb7116fe.exe

UPX packed file 12 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/2928-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2928-8-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2928-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2928-12-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2980-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2428-32-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2428-31-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2428-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2980-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2428-44-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2428-59-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2428-70-0x0000000010000000-0x00000000101B6000-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:

d13d9e55a9810eb3f68fd2c247f36ab9b7aa4a1dfaf2653b88a5370ffb7116fe.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	d13d9e55a9810eb3f68fd2c247f36ab9b7aa4a1dfaf2653b88a5370ffb7116fe.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	d13d9e55a9810eb3f68fd2c247f36ab9b7aa4a1dfaf2653b88a5370ffb7116fe.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	d13d9e55a9810eb3f68fd2c247f36ab9b7aa4a1dfaf2653b88a5370ffb7116fe.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	d13d9e55a9810eb3f68fd2c247f36ab9b7aa4a1dfaf2653b88a5370ffb7116fe.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

2416 PING.EXE
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

d13d9e55a9810eb3f68fd2c247f36ab9b7aa4a1dfaf2653b88a5370ffb7116fe.exe

pid process

2924 d13d9e55a9810eb3f68fd2c247f36ab9b7aa4a1dfaf2653b88a5370ffb7116fe.exe
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatforn.exe

pid process

2428 TXPlatforn.exe

pid	process
2416	PING.EXE

pid	process
2428	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

RVN.exeTXPlatforn.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2928	RVN.exe
Token: SeLoadDriverPrivilege	2428	TXPlatforn.exe
Token: 33	2428	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2428	TXPlatforn.exe
Token: 33	2428	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2428	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

d13d9e55a9810eb3f68fd2c247f36ab9b7aa4a1dfaf2653b88a5370ffb7116fe.exe

pid	process
2924	d13d9e55a9810eb3f68fd2c247f36ab9b7aa4a1dfaf2653b88a5370ffb7116fe.exe
2924	d13d9e55a9810eb3f68fd2c247f36ab9b7aa4a1dfaf2653b88a5370ffb7116fe.exe

Suspicious use of WriteProcessMemory 22 IoCs

Processes:

d13d9e55a9810eb3f68fd2c247f36ab9b7aa4a1dfaf2653b88a5370ffb7116fe.exeRVN.exeTXPlatforn.execmd.exe

description	pid	process	target process
PID 2924 wrote to memory of 2928	2924	d13d9e55a9810eb3f68fd2c247f36ab9b7aa4a1dfaf2653b88a5370ffb7116fe.exe	RVN.exe
PID 2924 wrote to memory of 2928	2924	d13d9e55a9810eb3f68fd2c247f36ab9b7aa4a1dfaf2653b88a5370ffb7116fe.exe	RVN.exe
PID 2924 wrote to memory of 2928	2924	d13d9e55a9810eb3f68fd2c247f36ab9b7aa4a1dfaf2653b88a5370ffb7116fe.exe	RVN.exe
PID 2924 wrote to memory of 2928	2924	d13d9e55a9810eb3f68fd2c247f36ab9b7aa4a1dfaf2653b88a5370ffb7116fe.exe	RVN.exe
PID 2924 wrote to memory of 2928	2924	d13d9e55a9810eb3f68fd2c247f36ab9b7aa4a1dfaf2653b88a5370ffb7116fe.exe	RVN.exe
PID 2924 wrote to memory of 2928	2924	d13d9e55a9810eb3f68fd2c247f36ab9b7aa4a1dfaf2653b88a5370ffb7116fe.exe	RVN.exe
PID 2924 wrote to memory of 2928	2924	d13d9e55a9810eb3f68fd2c247f36ab9b7aa4a1dfaf2653b88a5370ffb7116fe.exe	RVN.exe
PID 2928 wrote to memory of 2612	2928	RVN.exe	cmd.exe
PID 2928 wrote to memory of 2612	2928	RVN.exe	cmd.exe
PID 2928 wrote to memory of 2612	2928	RVN.exe	cmd.exe
PID 2928 wrote to memory of 2612	2928	RVN.exe	cmd.exe
PID 2980 wrote to memory of 2428	2980	TXPlatforn.exe	TXPlatforn.exe
PID 2980 wrote to memory of 2428	2980	TXPlatforn.exe	TXPlatforn.exe
PID 2980 wrote to memory of 2428	2980	TXPlatforn.exe	TXPlatforn.exe
PID 2980 wrote to memory of 2428	2980	TXPlatforn.exe	TXPlatforn.exe
PID 2980 wrote to memory of 2428	2980	TXPlatforn.exe	TXPlatforn.exe
PID 2980 wrote to memory of 2428	2980	TXPlatforn.exe	TXPlatforn.exe
PID 2980 wrote to memory of 2428	2980	TXPlatforn.exe	TXPlatforn.exe
PID 2612 wrote to memory of 2416	2612	cmd.exe	PING.EXE
PID 2612 wrote to memory of 2416	2612	cmd.exe	PING.EXE
PID 2612 wrote to memory of 2416	2612	cmd.exe	PING.EXE
PID 2612 wrote to memory of 2416	2612	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\d13d9e55a9810eb3f68fd2c247f36ab9b7aa4a1dfaf2653b88a5370ffb7116fe.exe
"C:\Users\Admin\AppData\Local\Temp\d13d9e55a9810eb3f68fd2c247f36ab9b7aa4a1dfaf2653b88a5370ffb7116fe.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2924

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:2928

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:2612

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:2416

C:\Users\Admin\AppData\Local\Temp\HD_d13d9e55a9810eb3f68fd2c247f36ab9b7aa4a1dfaf2653b88a5370ffb7116fe.exe
C:\Users\Admin\AppData\Local\Temp\HD_d13d9e55a9810eb3f68fd2c247f36ab9b7aa4a1dfaf2653b88a5370ffb7116fe.exe
2⤵
- Executes dropped EXE
PID:2700

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2980

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:2428

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
1.1MB

MD5
01591c034f45665e5c159c9c6eb05a27

SHA1
08be61008742803570249f3d253b5fe913903dfa

SHA256
27f2b7a34e98194da237e191ee3728d7a080f29688c542609b4f4e52c1c2d903

SHA512
b3a4d7e42d625905d2e59bbe49f378e9ea05793f64a3c448a4d188a798c079f1b0ddd9400f2908769d862a7a9aff8a5b15120a27b03891e1eb4ed03c3aa67b6a

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

Filesize
377KB

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

Download Submit
\Users\Admin\AppData\Local\Temp\HD_d13d9e55a9810eb3f68fd2c247f36ab9b7aa4a1dfaf2653b88a5370ffb7116fe.exe

Filesize
2.6MB

MD5
a7539a6ea2851e543f80ee32011858b3

SHA1
14c5c90bfc51ca47843df990f02942ed88871359

SHA256
646c4d40a96a095c4f8d62b26564cf0b220cabfd94889bd56cc999a10c4d9db5

SHA512
5956963c5e615618c50d96f15574dc320824307d5031dc69acbaa43300bc1e716e47a3b5b87b08cd1a5eaeb9ef3464e686bcda7941e99211f1a02bd260e0aa08

Download Submit
memory/2428-29-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2428-32-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2428-31-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2428-44-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2428-59-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2428-70-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2928-12-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2928-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2928-8-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2928-5-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2980-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2980-28-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads