gh0strat | 257890ed2552fa07acef6118fceb746cc79dd85f0a16c42b76e004758ac0f273

Analysis

max time kernel
150s
max time network
122s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
01-07-2024 04:26

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General

Target

257890ed2552fa07acef6118fceb746cc79dd85f0a16c42b76e004758ac0f273.exe
Size

1.3MB
MD5

0d69b647692da3bd782d0acf83ea4942
SHA1

eedb363f39404aef3e836f55db01000a75f5298c
SHA256

257890ed2552fa07acef6118fceb746cc79dd85f0a16c42b76e004758ac0f273
SHA512

026fe5f2a19e46849f8bc31b5b6b8fe73b90492e932dfeba04ced858f8d11bc8132a34fa5d9cde829417d2d6ec7fc38017330cd2bddace676115876a45e0f0e7
SSDEEP

24576:wQZoidOTdVZinacCET9Ecl1erdg0MCiVWhFU7cVisaNd:wQZAdVyVT9n/Gg0P+WhoTjd

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/2620-8-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2620-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2620-12-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2316-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2456-32-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2316-31-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2456-36-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2456-40-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2456-41-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 10 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2620-8-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2620-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2620-12-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2316-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2456-32-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2316-31-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2456-36-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
\Windows\SysWOW64\259399086.txt	family_gh0strat
behavioral1/memory/2456-40-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2456-41-0x0000000010000000-0x00000000101B6000-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
Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs
persistence

Terminal Services DLL
T1505.005

Processes:

svchos.exe

description ioc process

Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Ö÷¶¯·ÀÓù·þÎñÄ£¿é\Parameters\ServiceDll = "C:\\Windows\\system32\\259399086.txt" svchos.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 5 IoCs

Processes:

svchost.exeTXPlatforn.exeTXPlatforn.exesvchos.exeÖ÷¶¯·ÀÓù·þÎñÄ£¿é.exe

pid process

2620 svchost.exe
2316 TXPlatforn.exe
2456 TXPlatforn.exe
2792 svchos.exe
1964 Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

description	ioc	process
File created	C:\Windows\system32\drivers\QAssist.sys	TXPlatforn.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Ö÷¶¯·ÀÓù·þÎñÄ£¿é\Parameters\ServiceDll = "C:\\Windows\\system32\\259399086.txt"	svchos.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\QAssist\ImagePath = "system32\\DRIVERS\\QAssist.sys"	TXPlatforn.exe

pid	process
2620	svchost.exe
2316	TXPlatforn.exe
2456	TXPlatforn.exe
2792	svchos.exe
1964	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

Loads dropped DLL 7 IoCs

Processes:

257890ed2552fa07acef6118fceb746cc79dd85f0a16c42b76e004758ac0f273.exeTXPlatforn.exesvchos.exesvchost.exeÖ÷¶¯·ÀÓù·þÎñÄ£¿é.exe

pid	process
2336	257890ed2552fa07acef6118fceb746cc79dd85f0a16c42b76e004758ac0f273.exe
2316	TXPlatforn.exe
2336	257890ed2552fa07acef6118fceb746cc79dd85f0a16c42b76e004758ac0f273.exe
2792	svchos.exe
1748	svchost.exe
1748	svchost.exe
1964	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

UPX packed file 10 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/2620-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2620-8-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2620-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2620-12-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2316-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2456-32-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2316-31-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2456-36-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2456-40-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2456-41-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

Processes:

svchost.exesvchost.exesvchos.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe	svchost.exe
File created	C:\Windows\SysWOW64\TXPlatforn.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\TXPlatforn.exe	svchost.exe
File created	C:\Windows\SysWOW64\259399086.txt	svchos.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	svchos.exe
File created	C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe	svchost.exe

Drops file in Program Files directory 4 IoCs

Processes:

257890ed2552fa07acef6118fceb746cc79dd85f0a16c42b76e004758ac0f273.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	257890ed2552fa07acef6118fceb746cc79dd85f0a16c42b76e004758ac0f273.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	257890ed2552fa07acef6118fceb746cc79dd85f0a16c42b76e004758ac0f273.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	257890ed2552fa07acef6118fceb746cc79dd85f0a16c42b76e004758ac0f273.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	257890ed2552fa07acef6118fceb746cc79dd85f0a16c42b76e004758ac0f273.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

2000 PING.EXE
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

257890ed2552fa07acef6118fceb746cc79dd85f0a16c42b76e004758ac0f273.exe

pid process

2336 257890ed2552fa07acef6118fceb746cc79dd85f0a16c42b76e004758ac0f273.exe
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatforn.exe

pid process

2456 TXPlatforn.exe

pid	process
2000	PING.EXE

pid	process
2456	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

svchost.exeTXPlatforn.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2620	svchost.exe
Token: SeLoadDriverPrivilege	2456	TXPlatforn.exe
Token: 33	2456	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2456	TXPlatforn.exe
Token: 33	2456	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2456	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

257890ed2552fa07acef6118fceb746cc79dd85f0a16c42b76e004758ac0f273.exe

pid process

2336 257890ed2552fa07acef6118fceb746cc79dd85f0a16c42b76e004758ac0f273.exe
2336 257890ed2552fa07acef6118fceb746cc79dd85f0a16c42b76e004758ac0f273.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

257890ed2552fa07acef6118fceb746cc79dd85f0a16c42b76e004758ac0f273.exeTXPlatforn.exesvchost.execmd.exesvchost.exe

description	pid	process	target process
PID 2336 wrote to memory of 2620	2336	257890ed2552fa07acef6118fceb746cc79dd85f0a16c42b76e004758ac0f273.exe	svchost.exe
PID 2336 wrote to memory of 2620	2336	257890ed2552fa07acef6118fceb746cc79dd85f0a16c42b76e004758ac0f273.exe	svchost.exe
PID 2336 wrote to memory of 2620	2336	257890ed2552fa07acef6118fceb746cc79dd85f0a16c42b76e004758ac0f273.exe	svchost.exe
PID 2336 wrote to memory of 2620	2336	257890ed2552fa07acef6118fceb746cc79dd85f0a16c42b76e004758ac0f273.exe	svchost.exe
PID 2336 wrote to memory of 2620	2336	257890ed2552fa07acef6118fceb746cc79dd85f0a16c42b76e004758ac0f273.exe	svchost.exe
PID 2336 wrote to memory of 2620	2336	257890ed2552fa07acef6118fceb746cc79dd85f0a16c42b76e004758ac0f273.exe	svchost.exe
PID 2336 wrote to memory of 2620	2336	257890ed2552fa07acef6118fceb746cc79dd85f0a16c42b76e004758ac0f273.exe	svchost.exe
PID 2316 wrote to memory of 2456	2316	TXPlatforn.exe	TXPlatforn.exe
PID 2316 wrote to memory of 2456	2316	TXPlatforn.exe	TXPlatforn.exe
PID 2316 wrote to memory of 2456	2316	TXPlatforn.exe	TXPlatforn.exe
PID 2316 wrote to memory of 2456	2316	TXPlatforn.exe	TXPlatforn.exe
PID 2316 wrote to memory of 2456	2316	TXPlatforn.exe	TXPlatforn.exe
PID 2316 wrote to memory of 2456	2316	TXPlatforn.exe	TXPlatforn.exe
PID 2316 wrote to memory of 2456	2316	TXPlatforn.exe	TXPlatforn.exe
PID 2620 wrote to memory of 2328	2620	svchost.exe	cmd.exe
PID 2620 wrote to memory of 2328	2620	svchost.exe	cmd.exe
PID 2620 wrote to memory of 2328	2620	svchost.exe	cmd.exe
PID 2620 wrote to memory of 2328	2620	svchost.exe	cmd.exe
PID 2336 wrote to memory of 2792	2336	257890ed2552fa07acef6118fceb746cc79dd85f0a16c42b76e004758ac0f273.exe	svchos.exe
PID 2336 wrote to memory of 2792	2336	257890ed2552fa07acef6118fceb746cc79dd85f0a16c42b76e004758ac0f273.exe	svchos.exe
PID 2336 wrote to memory of 2792	2336	257890ed2552fa07acef6118fceb746cc79dd85f0a16c42b76e004758ac0f273.exe	svchos.exe
PID 2336 wrote to memory of 2792	2336	257890ed2552fa07acef6118fceb746cc79dd85f0a16c42b76e004758ac0f273.exe	svchos.exe
PID 2328 wrote to memory of 2000	2328	cmd.exe	PING.EXE
PID 2328 wrote to memory of 2000	2328	cmd.exe	PING.EXE
PID 2328 wrote to memory of 2000	2328	cmd.exe	PING.EXE
PID 2328 wrote to memory of 2000	2328	cmd.exe	PING.EXE
PID 1748 wrote to memory of 1964	1748	svchost.exe	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
PID 1748 wrote to memory of 1964	1748	svchost.exe	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
PID 1748 wrote to memory of 1964	1748	svchost.exe	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
PID 1748 wrote to memory of 1964	1748	svchost.exe	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

C:\Users\Admin\AppData\Local\Temp\257890ed2552fa07acef6118fceb746cc79dd85f0a16c42b76e004758ac0f273.exe
"C:\Users\Admin\AppData\Local\Temp\257890ed2552fa07acef6118fceb746cc79dd85f0a16c42b76e004758ac0f273.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2336

C:\Users\Admin\AppData\Local\Temp\svchost.exe
C:\Users\Admin\AppData\Local\Temp\\svchost.exe
2⤵
- Executes dropped EXE
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2620

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\svchost.exe > nul
3⤵
- Suspicious use of WriteProcessMemory
PID:2328

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:2000

C:\Users\Admin\AppData\Local\Temp\svchos.exe
C:\Users\Admin\AppData\Local\Temp\\svchos.exe
2⤵
- Server Software Component: Terminal Services DLL
- Executes dropped EXE
- Loads dropped DLL
- Drops file in System32 directory
PID:2792

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2316

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:2456

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
PID:2576

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:1748

C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\259399086.txt",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:1964

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\HD_X.dat
Filesize
1.3MB

MD5
fe4b38415fbf4013f0f3fd465e260824

SHA1
ad68933c34bcfa10112616de4b796dd7bf1dbb47

SHA256
9305ea27a633bc3394da979d94e7d59360f815e737afe431bd32555e5dcc3db5

SHA512
2f3f7351b923aa470a0bfc1aa6c53f8fe4a2cad81c82e0e6cb28c7d911ce2c61fcb16dc5e72867ff46040e4b21b70c294a1c51262312d25b6f45e17ef4480560

Download Submit
\Users\Admin\AppData\Local\Temp\svchos.exe
Filesize
93KB

MD5
3b377ad877a942ec9f60ea285f7119a2

SHA1
60b23987b20d913982f723ab375eef50fafa6c70

SHA256
62954fdf65e629b39a29f539619d20691332184c6b6be5a826128a8e759bfa84

SHA512
af3a71f867ad9d28772c48b521097f9bf8931eb89fd2974e8de10990241419a39ddc3c0b36dd38aac4fdf14e1f0c5e228692618e93adce958d5b5dab8940e46f

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

MD5
a4329177954d4104005bce3020e5ef59

SHA1
23c29e295e2dbb8454012d619ca3f81e4c16e85a

SHA256
6156d003d54dcf2ee92f21bd6e7a6a7f91730bd2804381260bcabe465abe6ddd

SHA512
81e9d456a4abfc7cd9e0943d4a0ce15523362c3179f3368381d1d7974f80a9f9113b5404b96e67e91684e0ea1895b7d0073e4c48d0bfc4fd0244b1af6acf0208

Download Submit
\Windows\SysWOW64\259399086.txt
Filesize
50KB

MD5
10f25f344effd107f611ecc228f48bd7

SHA1
062b579fa982b37ac4ac9612da55e7f206251e72

SHA256
aec4296d16d22af47788d1244689992573b3dfed8ae8a6220ac2ae288e6561fc

SHA512
1249608f653f91ddb83b8a35d5be9441890e257ea282a6443125686c44fdad2f4ea716e69d92e1adaadb0a3a2d04ed74f7c8df7c269513faa49ef4f384ef911f

Download Submit
\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/2316-31-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2316-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2456-36-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2456-32-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2456-40-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2456-41-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2620-12-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2620-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2620-8-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2620-5-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download