gh0strat | 96e1df1c989936df691adbcaf2205a336914e07684dc8edc841e840be9ca49e3

Analysis

max time kernel
151s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20230221-en
resource tags

arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
submitted
19-05-2023 11:41

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

tmp.exe
Size

4.3MB
MD5

22394b5e3713d1a8c730d9e7906aa3d7
SHA1

ba7828bebbf2040eb9a3277a83742d2867df00d8
SHA256

96e1df1c989936df691adbcaf2205a336914e07684dc8edc841e840be9ca49e3
SHA512

143676dc32bdf125d6b46999399a0d6301c7b1b9aa2329f99c52dd81ba5cbc26c417779b7d2d5ebcd59afcad6a10ac32259c6ebbcf9c40db68b16c979d7837d0
SSDEEP

98304:Rws2ANnKXOaeOgmhkuwTjLgO0E2XWIPhPy+HbF/G/YskslLXv:DKXbeO7sH8W0hn7F8f

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 7 IoCs

Detect PurpleFox Rootkit.

rootkit

Processes:

resource	yara_rule
behavioral2/memory/3796-153-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3796-152-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/380-160-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/380-161-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2120-171-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2120-174-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2120-176-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 11 IoCs

Processes:

resource	yara_rule
C:\Windows\SysWOW64\240543578.txt	family_gh0strat
\??\c:\windows\SysWOW64\240543578.txt	family_gh0strat
C:\Windows\SysWOW64\240543578.txt	family_gh0strat
behavioral2/memory/3796-153-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3796-152-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/380-160-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/380-161-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2120-171-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2120-174-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2120-176-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
C:\Windows\SysWOW64\240543578.txt	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:

TXPlatfor.exe

description ioc process

File created C:\Windows\system32\drivers\QAssist.sys TXPlatfor.exe

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

Sets DLL path for service in the registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

R.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Remote Data\Parameters\ServiceDll = "C:\\Windows\\system32\\240543578.txt"	R.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

TXPlatfor.exe

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

Executes dropped EXE 6 IoCs

Processes:

R.exeN.exeTXPlatfor.exeTXPlatfor.exeHD_tmp.exeRemote Data.exe

pid process

4544 R.exe
3796 N.exe
380 TXPlatfor.exe
2120 TXPlatfor.exe
876 HD_tmp.exe
228 Remote Data.exe
Loads dropped DLL 3 IoCs

Processes:

R.exesvchost.exeRemote Data.exe

pid process

4544 R.exe
2728 svchost.exe
228 Remote Data.exe

pid	process
4544	R.exe
3796	N.exe
380	TXPlatfor.exe
2120	TXPlatfor.exe
876	HD_tmp.exe
228	Remote Data.exe

pid	process
4544	R.exe
2728	svchost.exe
228	Remote Data.exe

UPX packed file 11 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/3796-150-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3796-153-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3796-152-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/380-158-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/380-160-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/380-161-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
C:\Users\Admin\AppData\Local\Temp\HD_tmp.exe	upx
behavioral2/memory/2120-171-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2120-174-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2120-176-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/876-177-0x0000000000400000-0x0000000000873000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

Processes:

R.exesvchost.exeN.exe

description	ioc	process
File created	C:\Windows\SysWOW64\240543578.txt	R.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	R.exe
File created	C:\Windows\SysWOW64\Remote Data.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\Remote Data.exe	svchost.exe
File created	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe
File opened for modification	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe

Drops file in Program Files directory 1 IoCs

Processes:

tmp.exe

description ioc process

File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe tmp.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

1912 PING.EXE
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

tmp.exe

pid process

4124 tmp.exe
4124 tmp.exe
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatfor.exe

pid process

2120 TXPlatfor.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	tmp.exe

pid	process
1912	PING.EXE

pid	process
4124	tmp.exe
4124	tmp.exe

pid	process
2120	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

N.exeTXPlatfor.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3796	N.exe
Token: SeLoadDriverPrivilege	2120	TXPlatfor.exe
Token: 33	2120	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2120	TXPlatfor.exe
Token: 33	2120	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2120	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

tmp.exe

pid process

4124 tmp.exe
4124 tmp.exe

pid	process
4124	tmp.exe
4124	tmp.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

tmp.exeTXPlatfor.exeN.execmd.exesvchost.exe

description	pid	process	target process
PID 4124 wrote to memory of 4544	4124	tmp.exe	R.exe
PID 4124 wrote to memory of 4544	4124	tmp.exe	R.exe
PID 4124 wrote to memory of 4544	4124	tmp.exe	R.exe
PID 4124 wrote to memory of 3796	4124	tmp.exe	N.exe
PID 4124 wrote to memory of 3796	4124	tmp.exe	N.exe
PID 4124 wrote to memory of 3796	4124	tmp.exe	N.exe
PID 380 wrote to memory of 2120	380	TXPlatfor.exe	TXPlatfor.exe
PID 380 wrote to memory of 2120	380	TXPlatfor.exe	TXPlatfor.exe
PID 380 wrote to memory of 2120	380	TXPlatfor.exe	TXPlatfor.exe
PID 3796 wrote to memory of 2312	3796	N.exe	cmd.exe
PID 3796 wrote to memory of 2312	3796	N.exe	cmd.exe
PID 3796 wrote to memory of 2312	3796	N.exe	cmd.exe
PID 4124 wrote to memory of 876	4124	tmp.exe	HD_tmp.exe
PID 4124 wrote to memory of 876	4124	tmp.exe	HD_tmp.exe
PID 4124 wrote to memory of 876	4124	tmp.exe	HD_tmp.exe
PID 2312 wrote to memory of 1912	2312	cmd.exe	PING.EXE
PID 2312 wrote to memory of 1912	2312	cmd.exe	PING.EXE
PID 2312 wrote to memory of 1912	2312	cmd.exe	PING.EXE
PID 2728 wrote to memory of 228	2728	svchost.exe	Remote Data.exe
PID 2728 wrote to memory of 228	2728	svchost.exe	Remote Data.exe
PID 2728 wrote to memory of 228	2728	svchost.exe	Remote Data.exe

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4124

C:\Users\Admin\AppData\Local\Temp\R.exe
C:\Users\Admin\AppData\Local\Temp\\R.exe
2⤵
- Sets DLL path for service in the registry
- Executes dropped EXE
- Loads dropped DLL
- Drops file in System32 directory
PID:4544

C:\Users\Admin\AppData\Local\Temp\N.exe
C:\Users\Admin\AppData\Local\Temp\\N.exe
2⤵
- Executes dropped EXE
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3796

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\N.exe > nul
3⤵
- Suspicious use of WriteProcessMemory
PID:2312

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:1912

C:\Users\Admin\AppData\Local\Temp\HD_tmp.exe
C:\Users\Admin\AppData\Local\Temp\HD_tmp.exe
2⤵
- Executes dropped EXE
PID:876

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:4388

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:2728

C:\Windows\SysWOW64\Remote Data.exe
"C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240543578.txt",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:228

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:380

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.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:2120

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Remote System Discovery

T1018

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\HD_X.dat
Filesize
2.4MB

MD5
48d3c19de86e32157f518825bedfdc1f

SHA1
9fd744d937513060ef5a88282b743d290ba881e1

SHA256
b0223e5b7915118a8bd025dca0a21bfd575c0e271bd6d99ba2e56103a6e4a831

SHA512
8f5648d9d4d8046beab1f89c74c7d46773fd737ed9e338199000d603d60980b36a38a2120c4264b0ade3ce30adee14f8fb598ea6900692cb391731d0dbf8988b

Download Submit
C:\Users\Admin\AppData\Local\Temp\HD_tmp.exe
Filesize
1.9MB

MD5
542b16941463263e47e84689b4aeecb8

SHA1
f3a01e28aee60efcb585a67463f3506e01c12238

SHA256
383939ab680a7130e51e1e0114d44027adfd38abc4946eec323c8d8e0b3677dc

SHA512
3d862d2741354ccc2d29b1e1f74df81b9ec2268904890b5ab3c31055a2d63b53fb7c139154b81b8251a634bb130c12b7d57e832ad627e7c997ccd8a2ea450760

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

MD5
4a36a48e58829c22381572b2040b6fe0

SHA1
f09d30e44ff7e3f20a5de307720f3ad148c6143b

SHA256
3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

SHA512
5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

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

MD5
4a36a48e58829c22381572b2040b6fe0

SHA1
f09d30e44ff7e3f20a5de307720f3ad148c6143b

SHA256
3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

SHA512
5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

Download Submit
C:\Users\Admin\AppData\Local\Temp\R.exe
Filesize
941KB

MD5
8dc3adf1c490211971c1e2325f1424d2

SHA1
4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

SHA256
bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

SHA512
ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

Download Submit
C:\Users\Admin\AppData\Local\Temp\R.exe
Filesize
941KB

MD5
8dc3adf1c490211971c1e2325f1424d2

SHA1
4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

SHA256
bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

SHA512
ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

Download Submit
C:\Windows\SysWOW64\240543578.txt
Filesize
899KB

MD5
7d177bdd627f2c88c2b0552c262493fd

SHA1
6b9ef6ed90f716af4fd6513f57bd25dddba30bc1

SHA256
6be9bcf0d681586e27ad47c3c82ee89fbbc8e1ecee6a945e304983d2d06a16a2

SHA512
53693271213c92ae967722f721bc7158cafb6f4a5317411b4527e8bbfa70ffc483274c1a6dcaf12ab34662af2cd2fbbc469535998e61256bb9b5e5d792192adc

Download Submit
C:\Windows\SysWOW64\240543578.txt
Filesize
899KB

MD5
7d177bdd627f2c88c2b0552c262493fd

SHA1
6b9ef6ed90f716af4fd6513f57bd25dddba30bc1

SHA256
6be9bcf0d681586e27ad47c3c82ee89fbbc8e1ecee6a945e304983d2d06a16a2

SHA512
53693271213c92ae967722f721bc7158cafb6f4a5317411b4527e8bbfa70ffc483274c1a6dcaf12ab34662af2cd2fbbc469535998e61256bb9b5e5d792192adc

Download Submit
C:\Windows\SysWOW64\240543578.txt
Filesize
899KB

MD5
7d177bdd627f2c88c2b0552c262493fd

SHA1
6b9ef6ed90f716af4fd6513f57bd25dddba30bc1

SHA256
6be9bcf0d681586e27ad47c3c82ee89fbbc8e1ecee6a945e304983d2d06a16a2

SHA512
53693271213c92ae967722f721bc7158cafb6f4a5317411b4527e8bbfa70ffc483274c1a6dcaf12ab34662af2cd2fbbc469535998e61256bb9b5e5d792192adc

Download Submit
C:\Windows\SysWOW64\Remote Data.exe
Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
C:\Windows\SysWOW64\Remote Data.exe
Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
C:\Windows\SysWOW64\TXPlatfor.exe
Filesize
377KB

MD5
4a36a48e58829c22381572b2040b6fe0

SHA1
f09d30e44ff7e3f20a5de307720f3ad148c6143b

SHA256
3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

SHA512
5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

Download Submit
C:\Windows\SysWOW64\TXPlatfor.exe
Filesize
377KB

MD5
4a36a48e58829c22381572b2040b6fe0

SHA1
f09d30e44ff7e3f20a5de307720f3ad148c6143b

SHA256
3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

SHA512
5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

Download Submit
C:\Windows\SysWOW64\TXPlatfor.exe
Filesize
377KB

MD5
4a36a48e58829c22381572b2040b6fe0

SHA1
f09d30e44ff7e3f20a5de307720f3ad148c6143b

SHA256
3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

SHA512
5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

Download Submit
\??\c:\windows\SysWOW64\240543578.txt
Filesize
899KB

MD5
7d177bdd627f2c88c2b0552c262493fd

SHA1
6b9ef6ed90f716af4fd6513f57bd25dddba30bc1

SHA256
6be9bcf0d681586e27ad47c3c82ee89fbbc8e1ecee6a945e304983d2d06a16a2

SHA512
53693271213c92ae967722f721bc7158cafb6f4a5317411b4527e8bbfa70ffc483274c1a6dcaf12ab34662af2cd2fbbc469535998e61256bb9b5e5d792192adc

Download Submit
memory/380-158-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/380-161-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/380-160-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/876-177-0x0000000000400000-0x0000000000873000-memory.dmp

Filesize
4.4MB

Download
memory/2120-171-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2120-174-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2120-176-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3796-152-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3796-153-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3796-150-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download