gh0strat | 0bdbdf937ea23343e682aff6f74e270a243310c67f0c0bd9a4dc60c5e103b74a

Analysis

max time kernel
150s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
05-04-2023 11:03

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General

Target

0bdbdf937ea23343e682aff6f74e270a243310c67f0c0bd9a4dc60c5e103b74a.exe
Size

2.7MB
MD5

edfc28b8faf41bb5b6f9f29d70fa77cc
SHA1

d7986e6cd1c2bd832de025bb9c9919859ae3b6e6
SHA256

0bdbdf937ea23343e682aff6f74e270a243310c67f0c0bd9a4dc60c5e103b74a
SHA512

8a9b5629789267208e545bafc607df95333dc53513ce156d8baa79fe0e1d40d7e5a7ed4cc046f13b07d372197f310a787c659094a7eb7b511f180e5b6861763e
SSDEEP

24576:ACwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nH7:ACwsbCANnKXferL7Vwe/Gg0P+WhdwmP+

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/3832-152-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3832-153-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4048-160-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4048-161-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/220-174-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/220-183-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/220-193-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 11 IoCs

Processes:

resource	yara_rule
C:\Windows\SysWOW64\240551546.txt	family_gh0strat
C:\Windows\SysWOW64\240551546.txt	family_gh0strat
\??\c:\windows\SysWOW64\240551546.txt	family_gh0strat
behavioral2/memory/3832-152-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3832-153-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4048-160-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4048-161-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/220-174-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/220-183-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
C:\Windows\SysWOW64\240551546.txt	family_gh0strat
behavioral2/memory/220-193-0x0000000010000000-0x00000000101B6000-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:

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\\240551546.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 5 IoCs

Processes:

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

pid process

4152 R.exe
3832 N.exe
4048 TXPlatfor.exe
220 TXPlatfor.exe
2004 Remote Data.exe
Loads dropped DLL 3 IoCs

Processes:

R.exesvchost.exeRemote Data.exe

pid process

4152 R.exe
2500 svchost.exe
2004 Remote Data.exe

pid	process
4152	R.exe
3832	N.exe
4048	TXPlatfor.exe
220	TXPlatfor.exe
2004	Remote Data.exe

pid	process
4152	R.exe
2500	svchost.exe
2004	Remote Data.exe

UPX packed file 9 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/3832-150-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3832-152-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3832-153-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4048-158-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4048-160-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4048-161-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/220-174-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/220-183-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/220-193-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

Processes:

svchost.exeN.exeR.exe

description	ioc	process
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
File created	C:\Windows\SysWOW64\240551546.txt	R.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	R.exe
File created	C:\Windows\SysWOW64\Remote Data.exe	svchost.exe

Drops file in Program Files directory 1 IoCs

Processes:

0bdbdf937ea23343e682aff6f74e270a243310c67f0c0bd9a4dc60c5e103b74a.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	0bdbdf937ea23343e682aff6f74e270a243310c67f0c0bd9a4dc60c5e103b74a.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2076 PING.EXE
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatfor.exe

pid process

220 TXPlatfor.exe

pid	process
2076	PING.EXE

pid	process
220	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

N.exeTXPlatfor.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3832	N.exe
Token: SeLoadDriverPrivilege	220	TXPlatfor.exe
Token: 33	220	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	220	TXPlatfor.exe
Token: 33	220	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	220	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

0bdbdf937ea23343e682aff6f74e270a243310c67f0c0bd9a4dc60c5e103b74a.exe

pid	process
4528	0bdbdf937ea23343e682aff6f74e270a243310c67f0c0bd9a4dc60c5e103b74a.exe
4528	0bdbdf937ea23343e682aff6f74e270a243310c67f0c0bd9a4dc60c5e103b74a.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

0bdbdf937ea23343e682aff6f74e270a243310c67f0c0bd9a4dc60c5e103b74a.exeN.exeTXPlatfor.exesvchost.execmd.exe

description	pid	process	target process
PID 4528 wrote to memory of 4152	4528	0bdbdf937ea23343e682aff6f74e270a243310c67f0c0bd9a4dc60c5e103b74a.exe	R.exe
PID 4528 wrote to memory of 4152	4528	0bdbdf937ea23343e682aff6f74e270a243310c67f0c0bd9a4dc60c5e103b74a.exe	R.exe
PID 4528 wrote to memory of 4152	4528	0bdbdf937ea23343e682aff6f74e270a243310c67f0c0bd9a4dc60c5e103b74a.exe	R.exe
PID 4528 wrote to memory of 3832	4528	0bdbdf937ea23343e682aff6f74e270a243310c67f0c0bd9a4dc60c5e103b74a.exe	N.exe
PID 4528 wrote to memory of 3832	4528	0bdbdf937ea23343e682aff6f74e270a243310c67f0c0bd9a4dc60c5e103b74a.exe	N.exe
PID 4528 wrote to memory of 3832	4528	0bdbdf937ea23343e682aff6f74e270a243310c67f0c0bd9a4dc60c5e103b74a.exe	N.exe
PID 3832 wrote to memory of 236	3832	N.exe	cmd.exe
PID 3832 wrote to memory of 236	3832	N.exe	cmd.exe
PID 3832 wrote to memory of 236	3832	N.exe	cmd.exe
PID 4048 wrote to memory of 220	4048	TXPlatfor.exe	TXPlatfor.exe
PID 4048 wrote to memory of 220	4048	TXPlatfor.exe	TXPlatfor.exe
PID 4048 wrote to memory of 220	4048	TXPlatfor.exe	TXPlatfor.exe
PID 2500 wrote to memory of 2004	2500	svchost.exe	Remote Data.exe
PID 2500 wrote to memory of 2004	2500	svchost.exe	Remote Data.exe
PID 2500 wrote to memory of 2004	2500	svchost.exe	Remote Data.exe
PID 236 wrote to memory of 2076	236	cmd.exe	PING.EXE
PID 236 wrote to memory of 2076	236	cmd.exe	PING.EXE
PID 236 wrote to memory of 2076	236	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0bdbdf937ea23343e682aff6f74e270a243310c67f0c0bd9a4dc60c5e103b74a.exe
"C:\Users\Admin\AppData\Local\Temp\0bdbdf937ea23343e682aff6f74e270a243310c67f0c0bd9a4dc60c5e103b74a.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4528

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:4152

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:3832

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:236

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:2076

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:416

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:2500

C:\Windows\SysWOW64\Remote Data.exe
"C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240551546.txt",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:2004

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4048

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:220

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\HD_X.dat
Filesize
2.7MB

MD5
edfc28b8faf41bb5b6f9f29d70fa77cc

SHA1
d7986e6cd1c2bd832de025bb9c9919859ae3b6e6

SHA256
0bdbdf937ea23343e682aff6f74e270a243310c67f0c0bd9a4dc60c5e103b74a

SHA512
8a9b5629789267208e545bafc607df95333dc53513ce156d8baa79fe0e1d40d7e5a7ed4cc046f13b07d372197f310a787c659094a7eb7b511f180e5b6861763e

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\240551546.txt
Filesize
899KB

MD5
f12898b4cacc9bad3ede6f06ec6cf252

SHA1
525876d64dfeb4551c550a461de835f32c0d8ba6

SHA256
4e46a43ba4ef0a13bd7b3f8b8f884e247953ffeb01bf58b247d2088d1dada497

SHA512
be7b47ec887dc3333435a0b83af5eba3c7846d7a4c8080ea7c0e5f354f8ccbe7893473ff5388260361c67629f901d2ab75f11073875afd7e26c5fb348ad8f724

Download Submit
C:\Windows\SysWOW64\240551546.txt
Filesize
899KB

MD5
f12898b4cacc9bad3ede6f06ec6cf252

SHA1
525876d64dfeb4551c550a461de835f32c0d8ba6

SHA256
4e46a43ba4ef0a13bd7b3f8b8f884e247953ffeb01bf58b247d2088d1dada497

SHA512
be7b47ec887dc3333435a0b83af5eba3c7846d7a4c8080ea7c0e5f354f8ccbe7893473ff5388260361c67629f901d2ab75f11073875afd7e26c5fb348ad8f724

Download Submit
C:\Windows\SysWOW64\240551546.txt
Filesize
899KB

MD5
f12898b4cacc9bad3ede6f06ec6cf252

SHA1
525876d64dfeb4551c550a461de835f32c0d8ba6

SHA256
4e46a43ba4ef0a13bd7b3f8b8f884e247953ffeb01bf58b247d2088d1dada497

SHA512
be7b47ec887dc3333435a0b83af5eba3c7846d7a4c8080ea7c0e5f354f8ccbe7893473ff5388260361c67629f901d2ab75f11073875afd7e26c5fb348ad8f724

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\240551546.txt
Filesize
899KB

MD5
f12898b4cacc9bad3ede6f06ec6cf252

SHA1
525876d64dfeb4551c550a461de835f32c0d8ba6

SHA256
4e46a43ba4ef0a13bd7b3f8b8f884e247953ffeb01bf58b247d2088d1dada497

SHA512
be7b47ec887dc3333435a0b83af5eba3c7846d7a4c8080ea7c0e5f354f8ccbe7893473ff5388260361c67629f901d2ab75f11073875afd7e26c5fb348ad8f724

Download Submit
memory/220-174-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/220-183-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/220-193-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3832-153-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3832-152-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3832-150-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4048-158-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4048-160-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4048-161-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download