gh0strat | 8227c2bd7db774bb580f1015ad3053b091bd66ed90edfc986558d55f236a67ea

Analysis

max time kernel
152s
max time network
159s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
13-08-2023 16:52

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General

Target

8227c2bd7db774bb580f1015ad3053b091bd66ed90edfc986558d55f236a67ea.exe
Size

2.6MB
MD5

186cea938c8871046083b17416bca2e7
SHA1

78433e000d9a601ed646b69c34f2c3d541359553
SHA256

8227c2bd7db774bb580f1015ad3053b091bd66ed90edfc986558d55f236a67ea
SHA512

efd3014e08e6680d33b15d877b9ba6370026a94f374c64831364fc8a3bb19573ee0d24939b5ef5421bce8279a1b0b3ade2dae79d0d1e0041e15a851000c68c8b
SSDEEP

24576:tCwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nHl:tCwsbCANnKXferL7Vwe/Gg0P+Whf+

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/1828-148-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1828-149-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4368-157-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4368-158-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1828-159-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4368-175-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2480-179-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2480-180-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2480-181-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2480-183-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2480-186-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 12 IoCs

Processes:

resource	yara_rule
C:\Windows\SysWOW64\240644921.txt	family_gh0strat
behavioral2/memory/1828-148-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1828-149-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4368-157-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4368-158-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1828-159-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4368-175-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2480-179-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2480-180-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2480-181-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2480-183-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2480-186-0x0000000010000000-0x00000000101B6000-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 service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

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 4 IoCs

Processes:

R.exeN.exeTXPlatfor.exeTXPlatfor.exe

pid process

5060 R.exe
1828 N.exe
4368 TXPlatfor.exe
2480 TXPlatfor.exe
Loads dropped DLL 1 IoCs

Processes:

R.exe

pid process

5060 R.exe

pid	process
5060	R.exe
1828	N.exe
4368	TXPlatfor.exe
2480	TXPlatfor.exe

pid	process
5060	R.exe

UPX packed file 13 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/1828-145-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1828-148-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1828-149-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4368-154-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4368-157-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4368-158-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1828-159-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4368-175-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2480-179-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2480-180-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2480-181-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2480-183-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2480-186-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 3 IoCs

Processes:

R.exeN.exe

description	ioc	process
File created	C:\Windows\SysWOW64\240644921.txt	R.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:

8227c2bd7db774bb580f1015ad3053b091bd66ed90edfc986558d55f236a67ea.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	8227c2bd7db774bb580f1015ad3053b091bd66ed90edfc986558d55f236a67ea.exe

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

System Information Discovery
T1082
Program crash 2 IoCs

Processes:

WerFault.exeWerFault.exe

pid pid_target process target process

1068 5060 WerFault.exe R.exe
4308 5060 WerFault.exe R.exe
Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

4396 PING.EXE
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatfor.exe

pid process

2480 TXPlatfor.exe

pid	pid_target	process	target process
1068	5060	WerFault.exe	R.exe
4308	5060	WerFault.exe	R.exe

pid	process
4396	PING.EXE

pid	process
2480	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

N.exeTXPlatfor.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1828	N.exe
Token: SeLoadDriverPrivilege	2480	TXPlatfor.exe
Token: 33	2480	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2480	TXPlatfor.exe
Token: 33	2480	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2480	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

8227c2bd7db774bb580f1015ad3053b091bd66ed90edfc986558d55f236a67ea.exe

pid	process
3316	8227c2bd7db774bb580f1015ad3053b091bd66ed90edfc986558d55f236a67ea.exe
3316	8227c2bd7db774bb580f1015ad3053b091bd66ed90edfc986558d55f236a67ea.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

8227c2bd7db774bb580f1015ad3053b091bd66ed90edfc986558d55f236a67ea.exeN.exeTXPlatfor.execmd.exe

description	pid	process	target process
PID 3316 wrote to memory of 5060	3316	8227c2bd7db774bb580f1015ad3053b091bd66ed90edfc986558d55f236a67ea.exe	R.exe
PID 3316 wrote to memory of 5060	3316	8227c2bd7db774bb580f1015ad3053b091bd66ed90edfc986558d55f236a67ea.exe	R.exe
PID 3316 wrote to memory of 5060	3316	8227c2bd7db774bb580f1015ad3053b091bd66ed90edfc986558d55f236a67ea.exe	R.exe
PID 3316 wrote to memory of 1828	3316	8227c2bd7db774bb580f1015ad3053b091bd66ed90edfc986558d55f236a67ea.exe	N.exe
PID 3316 wrote to memory of 1828	3316	8227c2bd7db774bb580f1015ad3053b091bd66ed90edfc986558d55f236a67ea.exe	N.exe
PID 3316 wrote to memory of 1828	3316	8227c2bd7db774bb580f1015ad3053b091bd66ed90edfc986558d55f236a67ea.exe	N.exe
PID 1828 wrote to memory of 3052	1828	N.exe	cmd.exe
PID 1828 wrote to memory of 3052	1828	N.exe	cmd.exe
PID 1828 wrote to memory of 3052	1828	N.exe	cmd.exe
PID 4368 wrote to memory of 2480	4368	TXPlatfor.exe	TXPlatfor.exe
PID 4368 wrote to memory of 2480	4368	TXPlatfor.exe	TXPlatfor.exe
PID 4368 wrote to memory of 2480	4368	TXPlatfor.exe	TXPlatfor.exe
PID 3052 wrote to memory of 4396	3052	cmd.exe	PING.EXE
PID 3052 wrote to memory of 4396	3052	cmd.exe	PING.EXE
PID 3052 wrote to memory of 4396	3052	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\8227c2bd7db774bb580f1015ad3053b091bd66ed90edfc986558d55f236a67ea.exe
"C:\Users\Admin\AppData\Local\Temp\8227c2bd7db774bb580f1015ad3053b091bd66ed90edfc986558d55f236a67ea.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3316

C:\Users\Admin\AppData\Local\Temp\R.exe
C:\Users\Admin\AppData\Local\Temp\\R.exe
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in System32 directory
PID:5060

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 5060 -s 452
3⤵
- Program crash
PID:1068

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 5060 -s 456
3⤵
- Program crash
PID:4308

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:1828

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:3052

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:4396

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 5060 -ip 5060
1⤵
PID:4772

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4368

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:2480

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 5060 -ip 5060
1⤵
PID:3496

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Remote System Discovery

T1018

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\HD_X.dat
Filesize
2.6MB

MD5
186cea938c8871046083b17416bca2e7

SHA1
78433e000d9a601ed646b69c34f2c3d541359553

SHA256
8227c2bd7db774bb580f1015ad3053b091bd66ed90edfc986558d55f236a67ea

SHA512
efd3014e08e6680d33b15d877b9ba6370026a94f374c64831364fc8a3bb19573ee0d24939b5ef5421bce8279a1b0b3ade2dae79d0d1e0041e15a851000c68c8b

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\240644921.txt
Filesize
899KB

MD5
fed508b0d534c85db9d7e03929a0b0fe

SHA1
dcc529412fa5575cf113ff22f5b65fb7008aa50c

SHA256
ca0adaffcb6f6b934f3beee11f388749740c4f3130e12cc56dddbbded80d6d4f

SHA512
7d31b9656753045ae0aa36de35e99d5f0ede32fb32506f0ab8c48985fcfeb82874c6a4631b50bedcd6c260bfeab217be100838c2a76ed241c1bd8cc83c893295

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
memory/1828-159-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1828-149-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1828-145-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1828-148-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2480-180-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2480-179-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2480-181-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2480-183-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2480-186-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4368-158-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4368-157-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4368-175-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4368-154-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download