gh0strat | 1f8c7dc4c85496170b9464b7024493c3d01849a56c4a0f34587225ecdcd8df05

General

Target

1f8c7dc4c85496170b9464b7024493c3d01849a56c4a0f34587225ecdcd8df05.exe
Size

14.0MB
MD5

e9aec2714b4192e967a34d1fe60c33e8
SHA1

c8a89d995eb79da2d312cca40f397a650989f6f0
SHA256

1f8c7dc4c85496170b9464b7024493c3d01849a56c4a0f34587225ecdcd8df05
SHA512

00322d19475278b5a8f6d6e99cae6c6a7fa52cfdeb16114193d70abec22ce7646a2fc19a6ba8c99d4c9cc9d96e4f4b742380b85dc9d8c090219593b98930577b
SSDEEP

196608:+KXbeO7hFmnKgNOk+YXOrV+mAr5VkXVHhii1o90JEZLt2uux5PRbx/KcdsYjxn8B:T7hFHVZ4QVhiOoeJERgT5FIOx8B

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 8 IoCs

Detect PurpleFox Rootkit.

rootkit

Processes:

resource	yara_rule
behavioral2/memory/4488-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4488-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4488-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4604-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4604-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3844-37-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3844-39-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3844-42-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

Processes:

resource	yara_rule
C:\Windows\SysWOW64\240597953.txt	family_gh0strat
behavioral2/memory/4488-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4488-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4488-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4604-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4604-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3844-37-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3844-39-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3844-42-0x0000000010000000-0x00000000101B6000-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:

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

T1547.001

Modify Registry

T1112

Processes:

R.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Remote Data\Parameters\ServiceDll = "C:\\Windows\\system32\\240597953.txt"	R.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 6 IoCs

Processes:

R.exeN.exeTXPlatfor.exeTXPlatfor.exeHD_1f8c7dc4c85496170b9464b7024493c3d01849a56c4a0f34587225ecdcd8df05.exeRemote Data.exe

pid	process
4436	R.exe
4488	N.exe
4604	TXPlatfor.exe
3844	TXPlatfor.exe
1296	HD_1f8c7dc4c85496170b9464b7024493c3d01849a56c4a0f34587225ecdcd8df05.exe
1792	Remote Data.exe

Loads dropped DLL 3 IoCs

Processes:

R.exesvchost.exeRemote Data.exe

pid process

4436 R.exe
2760 svchost.exe
1792 Remote Data.exe

UPX packed file 10 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/4488-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4488-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4488-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4488-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4604-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4604-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4604-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3844-37-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3844-39-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3844-42-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

Processes:

svchost.exeN.exeR.exe

description	ioc	process
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
File created	C:\Windows\SysWOW64\240597953.txt	R.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	R.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2676 PING.EXE

pid	process
2676	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

1f8c7dc4c85496170b9464b7024493c3d01849a56c4a0f34587225ecdcd8df05.exe

pid	process
404	1f8c7dc4c85496170b9464b7024493c3d01849a56c4a0f34587225ecdcd8df05.exe
404	1f8c7dc4c85496170b9464b7024493c3d01849a56c4a0f34587225ecdcd8df05.exe

Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatfor.exe

pid process

3844 TXPlatfor.exe

pid	process
3844	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

N.exeTXPlatfor.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	4488	N.exe
Token: SeLoadDriverPrivilege	3844	TXPlatfor.exe
Token: 33	3844	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	3844	TXPlatfor.exe
Token: 33	3844	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	3844	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

1f8c7dc4c85496170b9464b7024493c3d01849a56c4a0f34587225ecdcd8df05.exe

pid	process
404	1f8c7dc4c85496170b9464b7024493c3d01849a56c4a0f34587225ecdcd8df05.exe
404	1f8c7dc4c85496170b9464b7024493c3d01849a56c4a0f34587225ecdcd8df05.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

1f8c7dc4c85496170b9464b7024493c3d01849a56c4a0f34587225ecdcd8df05.exeN.exeTXPlatfor.execmd.exesvchost.exe

description	pid	process	target process
PID 404 wrote to memory of 4436	404	1f8c7dc4c85496170b9464b7024493c3d01849a56c4a0f34587225ecdcd8df05.exe	R.exe
PID 404 wrote to memory of 4436	404	1f8c7dc4c85496170b9464b7024493c3d01849a56c4a0f34587225ecdcd8df05.exe	R.exe
PID 404 wrote to memory of 4436	404	1f8c7dc4c85496170b9464b7024493c3d01849a56c4a0f34587225ecdcd8df05.exe	R.exe
PID 404 wrote to memory of 4488	404	1f8c7dc4c85496170b9464b7024493c3d01849a56c4a0f34587225ecdcd8df05.exe	N.exe
PID 404 wrote to memory of 4488	404	1f8c7dc4c85496170b9464b7024493c3d01849a56c4a0f34587225ecdcd8df05.exe	N.exe
PID 404 wrote to memory of 4488	404	1f8c7dc4c85496170b9464b7024493c3d01849a56c4a0f34587225ecdcd8df05.exe	N.exe
PID 4488 wrote to memory of 2320	4488	N.exe	cmd.exe
PID 4488 wrote to memory of 2320	4488	N.exe	cmd.exe
PID 4488 wrote to memory of 2320	4488	N.exe	cmd.exe
PID 4604 wrote to memory of 3844	4604	TXPlatfor.exe	TXPlatfor.exe
PID 4604 wrote to memory of 3844	4604	TXPlatfor.exe	TXPlatfor.exe
PID 4604 wrote to memory of 3844	4604	TXPlatfor.exe	TXPlatfor.exe
PID 404 wrote to memory of 1296	404	1f8c7dc4c85496170b9464b7024493c3d01849a56c4a0f34587225ecdcd8df05.exe	HD_1f8c7dc4c85496170b9464b7024493c3d01849a56c4a0f34587225ecdcd8df05.exe
PID 404 wrote to memory of 1296	404	1f8c7dc4c85496170b9464b7024493c3d01849a56c4a0f34587225ecdcd8df05.exe	HD_1f8c7dc4c85496170b9464b7024493c3d01849a56c4a0f34587225ecdcd8df05.exe
PID 404 wrote to memory of 1296	404	1f8c7dc4c85496170b9464b7024493c3d01849a56c4a0f34587225ecdcd8df05.exe	HD_1f8c7dc4c85496170b9464b7024493c3d01849a56c4a0f34587225ecdcd8df05.exe
PID 2320 wrote to memory of 2676	2320	cmd.exe	PING.EXE
PID 2320 wrote to memory of 2676	2320	cmd.exe	PING.EXE
PID 2320 wrote to memory of 2676	2320	cmd.exe	PING.EXE
PID 2760 wrote to memory of 1792	2760	svchost.exe	Remote Data.exe
PID 2760 wrote to memory of 1792	2760	svchost.exe	Remote Data.exe
PID 2760 wrote to memory of 1792	2760	svchost.exe	Remote Data.exe

C:\Users\Admin\AppData\Local\Temp\1f8c7dc4c85496170b9464b7024493c3d01849a56c4a0f34587225ecdcd8df05.exe
"C:\Users\Admin\AppData\Local\Temp\1f8c7dc4c85496170b9464b7024493c3d01849a56c4a0f34587225ecdcd8df05.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:404

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:4436

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:4488

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:2320

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:2676

C:\Users\Admin\AppData\Local\Temp\HD_1f8c7dc4c85496170b9464b7024493c3d01849a56c4a0f34587225ecdcd8df05.exe
C:\Users\Admin\AppData\Local\Temp\HD_1f8c7dc4c85496170b9464b7024493c3d01849a56c4a0f34587225ecdcd8df05.exe
2⤵
- Executes dropped EXE
PID:1296

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:4568

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:2760

C:\Windows\SysWOW64\Remote Data.exe
"C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240597953.txt",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:1792

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4604

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:3844

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

Remote System Discovery

1

T1018

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\HD_1f8c7dc4c85496170b9464b7024493c3d01849a56c4a0f34587225ecdcd8df05.exe

Filesize
11.4MB

MD5
6f1449abfafa80fbcbde6a2ff7b14892

SHA1
7eb7747d4e8c594d5162d177e89a28fa4e7857ca

SHA256
e2d8349f5b8438143f48b5054637d0744b355faa8d326170fc7df0ecd581fb2a

SHA512
51373a13b2395311f87b4f204e4368f6e28e6010ddf22ef505f05909a86ce62d8d59d39de3abe3a9bd75882e197fe754ac9b28ad7d52e73ad67f754873dd501e

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

Filesize
2.6MB

MD5
376f9e83762639add7c7c39befbc8364

SHA1
0e2590d848e25ee36a190edf5e9e81c4af99901c

SHA256
11d9bc124f210af85b7cf2f0c91e5e66cbfd11a20de0662c6bfabe4f867b0124

SHA512
e2f06bf47f28065ee24570f4dfa30431e4b88563f19e68d52e4a589c21908369034830d4eaff855f8e6aaeea9fa8928bc2f7ab3e1a39aa8c9595e474e8786f51

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:\Windows\SysWOW64\240597953.txt

Filesize
899KB

MD5
16ba37d3d15a2285f2043f31592542b4

SHA1
356cc1bdcd1e09771b99c190cbf99b2b6ec2d31d

SHA256
dae62c1b68de2f96f90526ee4c312d0f2292238f29ea62a6d10274bf8b73c789

SHA512
0c17076bc1db4896cc44e8ed802e122ff0b3a5144267113b809232d30fdcc0d65cd5dca3ba2652b8826fd7c598d3b34821751b2c567f10e9b5fba5355eda82b3

Download Submit
C:\Windows\SysWOW64\Remote Data.exe

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/3844-37-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3844-42-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3844-39-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4488-19-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4488-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4488-23-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4488-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4604-29-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4604-28-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4604-26-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads