gh0strat | 3e1f31aedaed09f48df9fd91781e06e2ef34d5ef8aff669818e8dd424c846f6f

General

Target

3e1f31aedaed09f48df9fd91781e06e2ef34d5ef8aff669818e8dd424c846f6f.exe
Size

1.8MB
MD5

3770f2ec7f155a08a265727f9a41f8be
SHA1

bce85e54e7a7c9d594705fe61bb87fff4e58707d
SHA256

3e1f31aedaed09f48df9fd91781e06e2ef34d5ef8aff669818e8dd424c846f6f
SHA512

343e7874a3f16b9fde457224ab2926d929a5e2cbabc68791480d4c179c55d6c06273e8b9c34dd606d8c6c934c1c5ca92d0c677ee47b7abbdb48c2711c9dd1656
SSDEEP

24576:EQZoidOTdVZinacCET9Ecl1erdg0MCiVWhFU7cV0oGLpwEDmfQ0c:EQZAdVyVT9n/Gg0P+WhoTLpDd0c

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/1244-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1244-6-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1244-10-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4856-15-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4856-16-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2488-39-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2488-41-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2488-32-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2488-44-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4856-31-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4856-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 12 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1244-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1244-6-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1244-10-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4856-15-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4856-16-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
C:\Windows\SysWOW64\240596937.txt	family_gh0strat
behavioral2/memory/2488-39-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2488-41-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2488-32-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2488-44-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4856-31-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4856-18-0x0000000010000000-0x00000000101B6000-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\\240596937.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.exesvchos.exeTXPlatforn.exeÖ÷¶¯·ÀÓù·þÎñÄ£¿é.exe

pid process

1244 svchost.exe
4856 TXPlatforn.exe
316 svchos.exe
2488 TXPlatforn.exe
3784 Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
Loads dropped DLL 3 IoCs

Processes:

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

pid process

316 svchos.exe
4192 svchost.exe
3784 Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

pid	process
1244	svchost.exe
4856	TXPlatforn.exe
316	svchos.exe
2488	TXPlatforn.exe
3784	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

pid	process
316	svchos.exe
4192	svchost.exe
3784	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

UPX packed file 13 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/1244-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1244-6-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1244-4-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1244-10-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4856-13-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4856-15-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4856-16-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2488-39-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2488-41-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2488-32-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2488-44-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4856-31-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4856-18-0x0000000010000000-0x00000000101B6000-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\240596937.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 5 IoCs

Processes:

3e1f31aedaed09f48df9fd91781e06e2ef34d5ef8aff669818e8dd424c846f6f.exe

description	ioc	process
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	3e1f31aedaed09f48df9fd91781e06e2ef34d5ef8aff669818e8dd424c846f6f.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	3e1f31aedaed09f48df9fd91781e06e2ef34d5ef8aff669818e8dd424c846f6f.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	3e1f31aedaed09f48df9fd91781e06e2ef34d5ef8aff669818e8dd424c846f6f.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	3e1f31aedaed09f48df9fd91781e06e2ef34d5ef8aff669818e8dd424c846f6f.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe	3e1f31aedaed09f48df9fd91781e06e2ef34d5ef8aff669818e8dd424c846f6f.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

4884 PING.EXE
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatforn.exe

pid process

2488 TXPlatforn.exe

pid	process
4884	PING.EXE

pid	process
2488	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

svchost.exeTXPlatforn.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1244	svchost.exe
Token: SeLoadDriverPrivilege	2488	TXPlatforn.exe
Token: 33	2488	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2488	TXPlatforn.exe
Token: 33	2488	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2488	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

3e1f31aedaed09f48df9fd91781e06e2ef34d5ef8aff669818e8dd424c846f6f.exe

pid	process
4396	3e1f31aedaed09f48df9fd91781e06e2ef34d5ef8aff669818e8dd424c846f6f.exe
4396	3e1f31aedaed09f48df9fd91781e06e2ef34d5ef8aff669818e8dd424c846f6f.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

3e1f31aedaed09f48df9fd91781e06e2ef34d5ef8aff669818e8dd424c846f6f.exesvchost.exeTXPlatforn.execmd.exesvchost.exe

description	pid	process	target process
PID 4396 wrote to memory of 1244	4396	3e1f31aedaed09f48df9fd91781e06e2ef34d5ef8aff669818e8dd424c846f6f.exe	svchost.exe
PID 4396 wrote to memory of 1244	4396	3e1f31aedaed09f48df9fd91781e06e2ef34d5ef8aff669818e8dd424c846f6f.exe	svchost.exe
PID 4396 wrote to memory of 1244	4396	3e1f31aedaed09f48df9fd91781e06e2ef34d5ef8aff669818e8dd424c846f6f.exe	svchost.exe
PID 1244 wrote to memory of 4432	1244	svchost.exe	cmd.exe
PID 1244 wrote to memory of 4432	1244	svchost.exe	cmd.exe
PID 1244 wrote to memory of 4432	1244	svchost.exe	cmd.exe
PID 4396 wrote to memory of 316	4396	3e1f31aedaed09f48df9fd91781e06e2ef34d5ef8aff669818e8dd424c846f6f.exe	svchos.exe
PID 4396 wrote to memory of 316	4396	3e1f31aedaed09f48df9fd91781e06e2ef34d5ef8aff669818e8dd424c846f6f.exe	svchos.exe
PID 4396 wrote to memory of 316	4396	3e1f31aedaed09f48df9fd91781e06e2ef34d5ef8aff669818e8dd424c846f6f.exe	svchos.exe
PID 4856 wrote to memory of 2488	4856	TXPlatforn.exe	TXPlatforn.exe
PID 4856 wrote to memory of 2488	4856	TXPlatforn.exe	TXPlatforn.exe
PID 4856 wrote to memory of 2488	4856	TXPlatforn.exe	TXPlatforn.exe
PID 4432 wrote to memory of 4884	4432	cmd.exe	PING.EXE
PID 4432 wrote to memory of 4884	4432	cmd.exe	PING.EXE
PID 4432 wrote to memory of 4884	4432	cmd.exe	PING.EXE
PID 4192 wrote to memory of 3784	4192	svchost.exe	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
PID 4192 wrote to memory of 3784	4192	svchost.exe	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
PID 4192 wrote to memory of 3784	4192	svchost.exe	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

C:\Users\Admin\AppData\Local\Temp\3e1f31aedaed09f48df9fd91781e06e2ef34d5ef8aff669818e8dd424c846f6f.exe
"C:\Users\Admin\AppData\Local\Temp\3e1f31aedaed09f48df9fd91781e06e2ef34d5ef8aff669818e8dd424c846f6f.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4396

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:1244

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:4432

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:4884

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:316

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4856

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:2488

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
PID:4908

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:4192

C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\240596937.txt",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:3784

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\RCX3AD6.tmp
Filesize
1.8MB

MD5
e2a442bc7914fa5cd9bc6a6ecacc1291

SHA1
9fe8011401dd4e4350c8279efc4040dde4516235

SHA256
e2c8c923dff3a9cbf029eb7fdd4f6dc2d511776ed718e30d6d36fbbb5b603ce9

SHA512
fb79b55f4f60e429fd27d4ad28500007b678c187d606b1a696912f640797985f2a473e4e73413337e48e0dc509aff189b9e8a917259322e647c3d7a5714848e1

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\240596937.txt
Filesize
50KB

MD5
3ae274fa68c4abaf32a74b123926c169

SHA1
696b80153d241abd3eb5978e2fa559c1773da07a

SHA256
cc91669847524ed338217ccf89b002e9555c22c89bf3735be8d2c197d6acda6b

SHA512
461c16feb582b1657c600eb79ae49049daab0892457ead5b680582b4b9e76aa39a27dc6a5f66be646f622f2bceed3e4e9e50d2631a5a1aeee032258d7f3fbf07

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

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/1244-10-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1244-4-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1244-6-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1244-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2488-39-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2488-41-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2488-32-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2488-44-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4856-15-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4856-16-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4856-13-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4856-31-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4856-18-0x0000000010000000-0x00000000101B6000-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