gh0strat | fb07b2cd1cce60b0eeda55b7d0135d543944ae85aa2093391238126b4f977fe9

General

Target

fb07b2cd1cce60b0eeda55b7d0135d543944ae85aa2093391238126b4f977fe9.exe
Size

1.4MB
MD5

540230e8f8bbdd49ad5db46eb89a18db
SHA1

8fdb61b78ab5fd6a3199b7078560cd7bde13a07f
SHA256

fb07b2cd1cce60b0eeda55b7d0135d543944ae85aa2093391238126b4f977fe9
SHA512

7792ee6c3bb685cfe9bbdacad56a15c84cd12fd6c7e22fd01bd92b682961a1a8d6d84c42e19e40cfdcbc1b1a1841948276df7ed5cc6f24355af0db58fda70c9e
SSDEEP

24576:DQZoidOTdVZinacCET9Ecl1erdg0MCiVWhFU7cVMKLu:DQZAdVyVT9n/Gg0P+WhoXK6

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
behavioral2/memory/4304-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4304-6-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4304-10-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4832-15-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4832-31-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1908-38-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1908-42-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1908-43-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4832-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4832-16-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 11 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4304-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4304-6-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4304-10-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4832-15-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4832-31-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
C:\Windows\SysWOW64\240643828.txt	family_gh0strat
behavioral2/memory/1908-38-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1908-42-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1908-43-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4832-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4832-16-0x0000000010000000-0x00000000101B6000-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\\240643828.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

4304 svchost.exe
4832 TXPlatforn.exe
1040 svchos.exe
1908 TXPlatforn.exe
1180 Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
Loads dropped DLL 3 IoCs

Processes:

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

pid process

1040 svchos.exe
3084 svchost.exe
1180 Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

pid	process
4304	svchost.exe
4832	TXPlatforn.exe
1040	svchos.exe
1908	TXPlatforn.exe
1180	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

pid	process
1040	svchos.exe
3084	svchost.exe
1180	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

UPX packed file 12 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/4304-4-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4304-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4304-6-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4304-10-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4832-13-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4832-15-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4832-31-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1908-38-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1908-42-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1908-43-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4832-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4832-16-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

Processes:

svchost.exesvchos.exesvchost.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\TXPlatforn.exe	svchost.exe
File created	C:\Windows\SysWOW64\240643828.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
File created	C:\Windows\SysWOW64\TXPlatforn.exe	svchost.exe

Drops file in Program Files directory 5 IoCs

Processes:

fb07b2cd1cce60b0eeda55b7d0135d543944ae85aa2093391238126b4f977fe9.exe

description	ioc	process
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	fb07b2cd1cce60b0eeda55b7d0135d543944ae85aa2093391238126b4f977fe9.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	fb07b2cd1cce60b0eeda55b7d0135d543944ae85aa2093391238126b4f977fe9.exe
File created	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	fb07b2cd1cce60b0eeda55b7d0135d543944ae85aa2093391238126b4f977fe9.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	fb07b2cd1cce60b0eeda55b7d0135d543944ae85aa2093391238126b4f977fe9.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe	fb07b2cd1cce60b0eeda55b7d0135d543944ae85aa2093391238126b4f977fe9.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

2944 PING.EXE
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatforn.exe

pid process

1908 TXPlatforn.exe

pid	process
2944	PING.EXE

pid	process
1908	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

svchost.exeTXPlatforn.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	4304	svchost.exe
Token: SeLoadDriverPrivilege	1908	TXPlatforn.exe
Token: 33	1908	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	1908	TXPlatforn.exe
Token: 33	1908	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	1908	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

fb07b2cd1cce60b0eeda55b7d0135d543944ae85aa2093391238126b4f977fe9.exe

pid	process
4896	fb07b2cd1cce60b0eeda55b7d0135d543944ae85aa2093391238126b4f977fe9.exe
4896	fb07b2cd1cce60b0eeda55b7d0135d543944ae85aa2093391238126b4f977fe9.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

fb07b2cd1cce60b0eeda55b7d0135d543944ae85aa2093391238126b4f977fe9.exesvchost.exeTXPlatforn.execmd.exesvchost.exe

description	pid	process	target process
PID 4896 wrote to memory of 4304	4896	fb07b2cd1cce60b0eeda55b7d0135d543944ae85aa2093391238126b4f977fe9.exe	svchost.exe
PID 4896 wrote to memory of 4304	4896	fb07b2cd1cce60b0eeda55b7d0135d543944ae85aa2093391238126b4f977fe9.exe	svchost.exe
PID 4896 wrote to memory of 4304	4896	fb07b2cd1cce60b0eeda55b7d0135d543944ae85aa2093391238126b4f977fe9.exe	svchost.exe
PID 4304 wrote to memory of 3324	4304	svchost.exe	cmd.exe
PID 4304 wrote to memory of 3324	4304	svchost.exe	cmd.exe
PID 4304 wrote to memory of 3324	4304	svchost.exe	cmd.exe
PID 4896 wrote to memory of 1040	4896	fb07b2cd1cce60b0eeda55b7d0135d543944ae85aa2093391238126b4f977fe9.exe	svchos.exe
PID 4896 wrote to memory of 1040	4896	fb07b2cd1cce60b0eeda55b7d0135d543944ae85aa2093391238126b4f977fe9.exe	svchos.exe
PID 4896 wrote to memory of 1040	4896	fb07b2cd1cce60b0eeda55b7d0135d543944ae85aa2093391238126b4f977fe9.exe	svchos.exe
PID 4832 wrote to memory of 1908	4832	TXPlatforn.exe	TXPlatforn.exe
PID 4832 wrote to memory of 1908	4832	TXPlatforn.exe	TXPlatforn.exe
PID 4832 wrote to memory of 1908	4832	TXPlatforn.exe	TXPlatforn.exe
PID 3324 wrote to memory of 2944	3324	cmd.exe	PING.EXE
PID 3324 wrote to memory of 2944	3324	cmd.exe	PING.EXE
PID 3324 wrote to memory of 2944	3324	cmd.exe	PING.EXE
PID 3084 wrote to memory of 1180	3084	svchost.exe	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
PID 3084 wrote to memory of 1180	3084	svchost.exe	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
PID 3084 wrote to memory of 1180	3084	svchost.exe	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

C:\Users\Admin\AppData\Local\Temp\fb07b2cd1cce60b0eeda55b7d0135d543944ae85aa2093391238126b4f977fe9.exe
"C:\Users\Admin\AppData\Local\Temp\fb07b2cd1cce60b0eeda55b7d0135d543944ae85aa2093391238126b4f977fe9.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4896

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:4304

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:3324

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:2944

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:1040

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4832

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:1908

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
PID:1100

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:3084

C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\240643828.txt",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:1180

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 --field-trial-handle=4032,i,15140928051103392835,1612840580898364401,262144 --variations-seed-version --mojo-platform-channel-handle=3804 /prefetch:8
1⤵
PID:3680

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\HD_X.dat
Filesize
1.4MB

MD5
540230e8f8bbdd49ad5db46eb89a18db

SHA1
8fdb61b78ab5fd6a3199b7078560cd7bde13a07f

SHA256
fb07b2cd1cce60b0eeda55b7d0135d543944ae85aa2093391238126b4f977fe9

SHA512
7792ee6c3bb685cfe9bbdacad56a15c84cd12fd6c7e22fd01bd92b682961a1a8d6d84c42e19e40cfdcbc1b1a1841948276df7ed5cc6f24355af0db58fda70c9e

Download Submit
C:\Users\Admin\AppData\Local\Temp\RCX8E75.tmp
Filesize
1.4MB

MD5
e0afc676766e8e9954f7b64ab18c5055

SHA1
a27838ef9b4017e1d4ca0c59eca6d7058165551a

SHA256
5ab4fda9c2266bab40ea05866442f82a581a0ed6e0723d5d50a46a2d8bfcd529

SHA512
8285863ccc7249fda2cc9d4d4c78e8dff43fec2ca2822e1e48ceaa2dbce1f39afde0dac0c8afbb6261eef6411f34acddf00b4bac7c0ce4f91c7f817aca8c353d

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\240643828.txt
Filesize
50KB

MD5
e0e5748ca518685a9a6cad998926d71d

SHA1
42fc4495904d7515bb574599ca874ec094ab34df

SHA256
18149c59ba19d9d4fbd2aa4d0d765212b9b636d3c38ae6368be2c59f7352848e

SHA512
0099a0b2ab049b971d65abbb623ae89c381287745eac17a70b621ed4dc3df1b7a83275bfdb8fb88f9486561396a369578a4f1d26aeb0fae410339d42b4c1aad8

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

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/1908-38-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1908-43-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1908-42-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4304-10-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4304-6-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4304-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4304-4-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4832-31-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4832-15-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4832-19-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4832-16-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4832-13-0x0000000010000000-0x00000000101B6000-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