gh0strat | 223723c3c853c4f387caebaf1a5caa8428c5683fd603bc8a6af8527c2dc3c1f6

General

Target

223723c3c853c4f387caebaf1a5caa8428c5683fd603bc8a6af8527c2dc3c1f6.exe
Size

1.6MB
MD5

239aa557c50920d5b084fad8f3c40867
SHA1

5a72500c38b4c1fd633791a7b5604d2dbc7c3fd2
SHA256

223723c3c853c4f387caebaf1a5caa8428c5683fd603bc8a6af8527c2dc3c1f6
SHA512

3e2ea3d00af49e15aa83ad30236205cda1b2bb9cbe18ccddcbb8175e7b09a10e1a23f5a8be82912298ceccf95026028b56499cd7a5a82b744280653d9a183d79
SSDEEP

24576:rQZoidOTdVZinacCET9Ecl1erdg0MCiVWhFU7cV3:rQZAdVyVT9n/Gg0P+WhoI

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/3144-10-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3144-13-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3144-11-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2064-27-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2064-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3144-30-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2472-35-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2472-36-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2472-47-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2472-54-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2472-77-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 12 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3144-10-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3144-13-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3144-11-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
C:\Windows\SysWOW64\240645500.txt	family_gh0strat
behavioral2/memory/2064-27-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2064-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3144-30-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2472-35-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2472-36-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2472-47-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2472-54-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2472-77-0x0000000010000000-0x00000000101B6000-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 DLL path for service in the registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

svchos.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Ö÷¶¯·ÀÓù·þÎñÄ£¿é\Parameters\ServiceDll = "C:\\Windows\\system32\\240645500.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.exesvchos.exeTXPlatforn.exeTXPlatforn.exeÖ÷¶¯·ÀÓù·þÎñÄ£¿é.exe

pid process

3144 svchost.exe
4720 svchos.exe
2064 TXPlatforn.exe
2472 TXPlatforn.exe
1540 Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
Loads dropped DLL 3 IoCs

Processes:

svchos.exesvchost.exeÖ÷¶¯·ÀÓù·þÎñÄ£¿é.exe

pid process

4720 svchos.exe
1096 svchost.exe
1540 Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

pid	process
3144	svchost.exe
4720	svchos.exe
2064	TXPlatforn.exe
2472	TXPlatforn.exe
1540	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

pid	process
4720	svchos.exe
1096	svchost.exe
1540	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

UPX packed file 14 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/3144-10-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3144-13-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3144-11-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3144-8-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2064-27-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2064-25-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2064-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3144-30-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2472-33-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2472-35-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2472-36-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2472-47-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2472-54-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2472-77-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

Processes:

svchos.exesvchost.exesvchost.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\ini.ini	svchos.exe
File created	C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe	svchost.exe
File created	C:\Windows\SysWOW64\240645500.txt	svchos.exe
File created	C:\Windows\SysWOW64\TXPlatforn.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\TXPlatforn.exe	svchost.exe

Drops file in Program Files directory 5 IoCs

Processes:

223723c3c853c4f387caebaf1a5caa8428c5683fd603bc8a6af8527c2dc3c1f6.exe

description	ioc	process
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	223723c3c853c4f387caebaf1a5caa8428c5683fd603bc8a6af8527c2dc3c1f6.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	223723c3c853c4f387caebaf1a5caa8428c5683fd603bc8a6af8527c2dc3c1f6.exe
File created	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	223723c3c853c4f387caebaf1a5caa8428c5683fd603bc8a6af8527c2dc3c1f6.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe	223723c3c853c4f387caebaf1a5caa8428c5683fd603bc8a6af8527c2dc3c1f6.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	223723c3c853c4f387caebaf1a5caa8428c5683fd603bc8a6af8527c2dc3c1f6.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

628 PING.EXE
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatforn.exe

pid process

2472 TXPlatforn.exe

pid	process
628	PING.EXE

pid	process
2472	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

svchost.exeTXPlatforn.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3144	svchost.exe
Token: SeLoadDriverPrivilege	2472	TXPlatforn.exe
Token: 33	2472	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2472	TXPlatforn.exe
Token: 33	2472	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2472	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

223723c3c853c4f387caebaf1a5caa8428c5683fd603bc8a6af8527c2dc3c1f6.exe

pid	process
4656	223723c3c853c4f387caebaf1a5caa8428c5683fd603bc8a6af8527c2dc3c1f6.exe
4656	223723c3c853c4f387caebaf1a5caa8428c5683fd603bc8a6af8527c2dc3c1f6.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

223723c3c853c4f387caebaf1a5caa8428c5683fd603bc8a6af8527c2dc3c1f6.exesvchost.exeTXPlatforn.execmd.exesvchost.exe

description	pid	process	target process
PID 4656 wrote to memory of 3144	4656	223723c3c853c4f387caebaf1a5caa8428c5683fd603bc8a6af8527c2dc3c1f6.exe	svchost.exe
PID 4656 wrote to memory of 3144	4656	223723c3c853c4f387caebaf1a5caa8428c5683fd603bc8a6af8527c2dc3c1f6.exe	svchost.exe
PID 4656 wrote to memory of 3144	4656	223723c3c853c4f387caebaf1a5caa8428c5683fd603bc8a6af8527c2dc3c1f6.exe	svchost.exe
PID 4656 wrote to memory of 4720	4656	223723c3c853c4f387caebaf1a5caa8428c5683fd603bc8a6af8527c2dc3c1f6.exe	svchos.exe
PID 4656 wrote to memory of 4720	4656	223723c3c853c4f387caebaf1a5caa8428c5683fd603bc8a6af8527c2dc3c1f6.exe	svchos.exe
PID 4656 wrote to memory of 4720	4656	223723c3c853c4f387caebaf1a5caa8428c5683fd603bc8a6af8527c2dc3c1f6.exe	svchos.exe
PID 3144 wrote to memory of 4168	3144	svchost.exe	cmd.exe
PID 3144 wrote to memory of 4168	3144	svchost.exe	cmd.exe
PID 3144 wrote to memory of 4168	3144	svchost.exe	cmd.exe
PID 2064 wrote to memory of 2472	2064	TXPlatforn.exe	TXPlatforn.exe
PID 2064 wrote to memory of 2472	2064	TXPlatforn.exe	TXPlatforn.exe
PID 2064 wrote to memory of 2472	2064	TXPlatforn.exe	TXPlatforn.exe
PID 4168 wrote to memory of 628	4168	cmd.exe	PING.EXE
PID 4168 wrote to memory of 628	4168	cmd.exe	PING.EXE
PID 4168 wrote to memory of 628	4168	cmd.exe	PING.EXE
PID 1096 wrote to memory of 1540	1096	svchost.exe	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
PID 1096 wrote to memory of 1540	1096	svchost.exe	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
PID 1096 wrote to memory of 1540	1096	svchost.exe	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

C:\Users\Admin\AppData\Local\Temp\223723c3c853c4f387caebaf1a5caa8428c5683fd603bc8a6af8527c2dc3c1f6.exe
"C:\Users\Admin\AppData\Local\Temp\223723c3c853c4f387caebaf1a5caa8428c5683fd603bc8a6af8527c2dc3c1f6.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4656

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:3144

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:4168

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:628

C:\Users\Admin\AppData\Local\Temp\svchos.exe
C:\Users\Admin\AppData\Local\Temp\\svchos.exe
2⤵
- Sets DLL path for service in the registry
- Executes dropped EXE
- Loads dropped DLL
- Drops file in System32 directory
PID:4720

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
PID:3356

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2064

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:2472

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:1096

C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\240645500.txt",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:1540

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3712 --field-trial-handle=2252,i,16504368816373493055,9578615028378602855,262144 --variations-seed-version /prefetch:8
1⤵
PID:1224

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

2

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

2

T1547.001

Defense Evasion

Modify Registry

2

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\HD_X.dat
Filesize
1.6MB

MD5
239aa557c50920d5b084fad8f3c40867

SHA1
5a72500c38b4c1fd633791a7b5604d2dbc7c3fd2

SHA256
223723c3c853c4f387caebaf1a5caa8428c5683fd603bc8a6af8527c2dc3c1f6

SHA512
3e2ea3d00af49e15aa83ad30236205cda1b2bb9cbe18ccddcbb8175e7b09a10e1a23f5a8be82912298ceccf95026028b56499cd7a5a82b744280653d9a183d79

Download Submit
C:\Users\Admin\AppData\Local\Temp\HD_X.dat
Filesize
1.2MB

MD5
52d49ac980ea0df8aa8cc7c0b4028503

SHA1
7c4307800586feee0dfa9298993bb9ed4936c209

SHA256
1f2fb95fd5dc41165ede0745665db380a47744daf53de64cf574c4be974eef30

SHA512
c740789917362d9c018e5934547f0af10fcf90bc3c8c0d70b48e13165030336c7e5f54026499bde68b851ace7d4b04bbc0f1d608965b8f097332a3687c82d862

Download Submit
C:\Users\Admin\AppData\Local\Temp\X.ico
Filesize
69KB

MD5
e33fb6d686b1a8b171349572c5a33f67

SHA1
29f24fe536adf799b69b63c83efadc1bce457a54

SHA256
020c8e0963f89f4b14538b7d69e83c6fec44a29bbbd52fbb6deb2be5c697f450

SHA512
cf1f1d6a9efe53f84e5b4a8246b87c0b96496716605d1b00352d9aae30e664d3d2cbadebf598b4e690a9feef0b5785887a4e643cc5f68938ca744af1d3539e55

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

MD5
3b377ad877a942ec9f60ea285f7119a2

SHA1
60b23987b20d913982f723ab375eef50fafa6c70

SHA256
62954fdf65e629b39a29f539619d20691332184c6b6be5a826128a8e759bfa84

SHA512
af3a71f867ad9d28772c48b521097f9bf8931eb89fd2974e8de10990241419a39ddc3c0b36dd38aac4fdf14e1f0c5e228692618e93adce958d5b5dab8940e46f

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

MD5
a4329177954d4104005bce3020e5ef59

SHA1
23c29e295e2dbb8454012d619ca3f81e4c16e85a

SHA256
6156d003d54dcf2ee92f21bd6e7a6a7f91730bd2804381260bcabe465abe6ddd

SHA512
81e9d456a4abfc7cd9e0943d4a0ce15523362c3179f3368381d1d7974f80a9f9113b5404b96e67e91684e0ea1895b7d0073e4c48d0bfc4fd0244b1af6acf0208

Download Submit
C:\Windows\SysWOW64\240645500.txt
Filesize
50KB

MD5
8f9c2186ec50523eeae4096da963839e

SHA1
d1f440428a48b58b055e152473f4340e02902e1b

SHA256
b6bfad7e1efd75ca0bcbdb3a870d15ed74d85873fb184aec227a3cc5bc695205

SHA512
4f8eef09e59312b08061d0b2d77f1ae4b80ee3a292e20eb038ddf4529e829de8510fca621d78c8930359371c11316b8ae4550341be4f0ea9b1c50e6bffb47c6d

Download Submit
C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/2064-25-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2064-28-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2064-27-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2472-54-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2472-77-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2472-33-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2472-35-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2472-36-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2472-47-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3144-8-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3144-30-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3144-11-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3144-13-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3144-10-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads