gh0strat | 3b625bd84cbbb8cf9936cfbdf025e55c2c876c588cf281a29e5efdef4749b456

General

Target

3b625bd84cbbb8cf9936cfbdf025e55c2c876c588cf281a29e5efdef4749b456.exe
Size

1.7MB
MD5

75c4bdc11bddb6b0ade5f7ca4471fdc8
SHA1

864de34ac0397bae5ab3cc09b56983fec896c0a4
SHA256

3b625bd84cbbb8cf9936cfbdf025e55c2c876c588cf281a29e5efdef4749b456
SHA512

fd9d3571dc7eeedb0aa8932fdf42f1262d2a957f9894bf647e901e1e50a7ed7ffc6621da3c45213051cac3b216b6ed4cf9ff2dfd4a8895a0e92469d489d73481
SSDEEP

24576:aQZoidOTdVZinacCET9Ecl1erdg0MCiVWhFU7cVkc:aQZAdVyVT9n/Gg0P+Who2

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/2040-8-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2040-9-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2040-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/292-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/292-31-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2644-33-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2644-34-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2040-22-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2644-38-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2644-42-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 11 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2040-8-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2040-9-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2040-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/292-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/292-31-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2644-33-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2644-34-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2040-22-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2644-38-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
\Windows\SysWOW64\259398836.txt	family_gh0strat
behavioral1/memory/2644-42-0x0000000010000000-0x00000000101B6000-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\\259398836.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

2040 svchost.exe
292 TXPlatforn.exe
2644 TXPlatforn.exe
3032 svchos.exe
1432 Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

pid	process
2040	svchost.exe
292	TXPlatforn.exe
2644	TXPlatforn.exe
3032	svchos.exe
1432	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

Loads dropped DLL 7 IoCs

Processes:

3b625bd84cbbb8cf9936cfbdf025e55c2c876c588cf281a29e5efdef4749b456.exeTXPlatforn.exesvchos.exesvchost.exeÖ÷¶¯·ÀÓù·þÎñÄ£¿é.exe

pid	process
1620	3b625bd84cbbb8cf9936cfbdf025e55c2c876c588cf281a29e5efdef4749b456.exe
292	TXPlatforn.exe
1620	3b625bd84cbbb8cf9936cfbdf025e55c2c876c588cf281a29e5efdef4749b456.exe
3032	svchos.exe
2756	svchost.exe
2756	svchost.exe
1432	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

UPX packed file 11 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/2040-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2040-8-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2040-9-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2040-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/292-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/292-31-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2644-33-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2644-34-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2040-22-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2644-38-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2644-42-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

Processes:

svchost.exesvchos.exesvchost.exe

description	ioc	process
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\259398836.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
File opened for modification	C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe	svchost.exe

Drops file in Program Files directory 4 IoCs

Processes:

3b625bd84cbbb8cf9936cfbdf025e55c2c876c588cf281a29e5efdef4749b456.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	3b625bd84cbbb8cf9936cfbdf025e55c2c876c588cf281a29e5efdef4749b456.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	3b625bd84cbbb8cf9936cfbdf025e55c2c876c588cf281a29e5efdef4749b456.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	3b625bd84cbbb8cf9936cfbdf025e55c2c876c588cf281a29e5efdef4749b456.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	3b625bd84cbbb8cf9936cfbdf025e55c2c876c588cf281a29e5efdef4749b456.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

2616 PING.EXE
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatforn.exe

pid process

2644 TXPlatforn.exe

pid	process
2616	PING.EXE

pid	process
2644	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

svchost.exeTXPlatforn.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2040	svchost.exe
Token: SeLoadDriverPrivilege	2644	TXPlatforn.exe
Token: 33	2644	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2644	TXPlatforn.exe
Token: 33	2644	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2644	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

3b625bd84cbbb8cf9936cfbdf025e55c2c876c588cf281a29e5efdef4749b456.exe

pid	process
1620	3b625bd84cbbb8cf9936cfbdf025e55c2c876c588cf281a29e5efdef4749b456.exe
1620	3b625bd84cbbb8cf9936cfbdf025e55c2c876c588cf281a29e5efdef4749b456.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

3b625bd84cbbb8cf9936cfbdf025e55c2c876c588cf281a29e5efdef4749b456.exesvchost.exeTXPlatforn.execmd.exesvchost.exe

description	pid	process	target process
PID 1620 wrote to memory of 2040	1620	3b625bd84cbbb8cf9936cfbdf025e55c2c876c588cf281a29e5efdef4749b456.exe	svchost.exe
PID 1620 wrote to memory of 2040	1620	3b625bd84cbbb8cf9936cfbdf025e55c2c876c588cf281a29e5efdef4749b456.exe	svchost.exe
PID 1620 wrote to memory of 2040	1620	3b625bd84cbbb8cf9936cfbdf025e55c2c876c588cf281a29e5efdef4749b456.exe	svchost.exe
PID 1620 wrote to memory of 2040	1620	3b625bd84cbbb8cf9936cfbdf025e55c2c876c588cf281a29e5efdef4749b456.exe	svchost.exe
PID 1620 wrote to memory of 2040	1620	3b625bd84cbbb8cf9936cfbdf025e55c2c876c588cf281a29e5efdef4749b456.exe	svchost.exe
PID 1620 wrote to memory of 2040	1620	3b625bd84cbbb8cf9936cfbdf025e55c2c876c588cf281a29e5efdef4749b456.exe	svchost.exe
PID 1620 wrote to memory of 2040	1620	3b625bd84cbbb8cf9936cfbdf025e55c2c876c588cf281a29e5efdef4749b456.exe	svchost.exe
PID 2040 wrote to memory of 1524	2040	svchost.exe	cmd.exe
PID 2040 wrote to memory of 1524	2040	svchost.exe	cmd.exe
PID 2040 wrote to memory of 1524	2040	svchost.exe	cmd.exe
PID 2040 wrote to memory of 1524	2040	svchost.exe	cmd.exe
PID 292 wrote to memory of 2644	292	TXPlatforn.exe	TXPlatforn.exe
PID 292 wrote to memory of 2644	292	TXPlatforn.exe	TXPlatforn.exe
PID 292 wrote to memory of 2644	292	TXPlatforn.exe	TXPlatforn.exe
PID 292 wrote to memory of 2644	292	TXPlatforn.exe	TXPlatforn.exe
PID 292 wrote to memory of 2644	292	TXPlatforn.exe	TXPlatforn.exe
PID 292 wrote to memory of 2644	292	TXPlatforn.exe	TXPlatforn.exe
PID 292 wrote to memory of 2644	292	TXPlatforn.exe	TXPlatforn.exe
PID 1620 wrote to memory of 3032	1620	3b625bd84cbbb8cf9936cfbdf025e55c2c876c588cf281a29e5efdef4749b456.exe	svchos.exe
PID 1620 wrote to memory of 3032	1620	3b625bd84cbbb8cf9936cfbdf025e55c2c876c588cf281a29e5efdef4749b456.exe	svchos.exe
PID 1620 wrote to memory of 3032	1620	3b625bd84cbbb8cf9936cfbdf025e55c2c876c588cf281a29e5efdef4749b456.exe	svchos.exe
PID 1620 wrote to memory of 3032	1620	3b625bd84cbbb8cf9936cfbdf025e55c2c876c588cf281a29e5efdef4749b456.exe	svchos.exe
PID 1524 wrote to memory of 2616	1524	cmd.exe	PING.EXE
PID 1524 wrote to memory of 2616	1524	cmd.exe	PING.EXE
PID 1524 wrote to memory of 2616	1524	cmd.exe	PING.EXE
PID 1524 wrote to memory of 2616	1524	cmd.exe	PING.EXE
PID 2756 wrote to memory of 1432	2756	svchost.exe	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
PID 2756 wrote to memory of 1432	2756	svchost.exe	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
PID 2756 wrote to memory of 1432	2756	svchost.exe	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
PID 2756 wrote to memory of 1432	2756	svchost.exe	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

C:\Users\Admin\AppData\Local\Temp\3b625bd84cbbb8cf9936cfbdf025e55c2c876c588cf281a29e5efdef4749b456.exe
"C:\Users\Admin\AppData\Local\Temp\3b625bd84cbbb8cf9936cfbdf025e55c2c876c588cf281a29e5efdef4749b456.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1620

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:2040

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:1524

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:2616

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:3032

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:292

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:2644

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
PID:2488

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:2756

C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\259398836.txt",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:1432

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
1.5MB

MD5
6e828d792fedb84f02c816cd159f035e

SHA1
15dd17669ccbb98ebd0c96605e7942dd07afb99c

SHA256
c33102cf08b0a874a690da49e8abe8d4986413b10315b94cc721b2f9243d15e1

SHA512
40ec3a29949151332f66f606e9d169da4c0cabe32cd7abf7076389cba7baea3ff7af6c7cd3ee4b71885e8d9ab76a16a0d76699e220d091cb4120baf6e6c3fade

Download Submit
C:\Users\Admin\AppData\Local\Temp\HD_X.dat
Filesize
1.7MB

MD5
75c4bdc11bddb6b0ade5f7ca4471fdc8

SHA1
864de34ac0397bae5ab3cc09b56983fec896c0a4

SHA256
3b625bd84cbbb8cf9936cfbdf025e55c2c876c588cf281a29e5efdef4749b456

SHA512
fd9d3571dc7eeedb0aa8932fdf42f1262d2a957f9894bf647e901e1e50a7ed7ffc6621da3c45213051cac3b216b6ed4cf9ff2dfd4a8895a0e92469d489d73481

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

MD5
a4329177954d4104005bce3020e5ef59

SHA1
23c29e295e2dbb8454012d619ca3f81e4c16e85a

SHA256
6156d003d54dcf2ee92f21bd6e7a6a7f91730bd2804381260bcabe465abe6ddd

SHA512
81e9d456a4abfc7cd9e0943d4a0ce15523362c3179f3368381d1d7974f80a9f9113b5404b96e67e91684e0ea1895b7d0073e4c48d0bfc4fd0244b1af6acf0208

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

MD5
3b377ad877a942ec9f60ea285f7119a2

SHA1
60b23987b20d913982f723ab375eef50fafa6c70

SHA256
62954fdf65e629b39a29f539619d20691332184c6b6be5a826128a8e759bfa84

SHA512
af3a71f867ad9d28772c48b521097f9bf8931eb89fd2974e8de10990241419a39ddc3c0b36dd38aac4fdf14e1f0c5e228692618e93adce958d5b5dab8940e46f

Download Submit
\Windows\SysWOW64\259398836.txt
Filesize
50KB

MD5
1d823a23a85f366fba688129b65ecace

SHA1
9da5ce81dbed00853081ac8cc1fe12757d11e780

SHA256
0979ae381158dded9fc81e0112db711bbd6d83144790122b99982ac6a7ecda4d

SHA512
8307882fd58127eca1df1a9ecb9d4daa6201856732b83ef967d163b1be615d77e7ec0ccaa1442a76b9d0e3148e60e1100fed5ace4a9c2ccbde7acd18b09bb09e

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

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/292-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/292-31-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2040-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2040-22-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2040-9-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2040-8-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2040-5-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2644-34-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2644-38-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2644-33-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2644-42-0x0000000010000000-0x00000000101B6000-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