gh0strat | 8fbb1c8796614e83771e706012ecfc6a9aafa77bd433f146196ae05a4201df21

General

Target

8fbb1c8796614e83771e706012ecfc6a9aafa77bd433f146196ae05a4201df21.exe
Size

1.4MB
MD5

da55fc982e6a8306294079eb9781da5e
SHA1

9e2d7c65c332ef733e92521ca88fdc66ef739bff
SHA256

8fbb1c8796614e83771e706012ecfc6a9aafa77bd433f146196ae05a4201df21
SHA512

8befaa4a726e32e5ee050f705ab21e574ac40d59aadc3f62c4f49f6d790393f772b95a749e0e8644297bd3367f0ae35e27fbdcf2e43d3fffa2d27dba07aab04e
SSDEEP

24576:MQZoidOTdVZinacCET9Ecl1erdg0MCiVWhFU7cVRfun2s:MQZAdVyVT9n/Gg0P+WhoKmn2s

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 9 IoCs

Detect PurpleFox Rootkit.

rootkit

Processes:

resource	yara_rule
behavioral1/memory/2184-9-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2184-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2184-8-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3052-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2184-22-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3052-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2288-36-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2288-39-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2288-79-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 10 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2184-9-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2184-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2184-8-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3052-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2184-22-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3052-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
\Windows\SysWOW64\259395904.txt	family_gh0strat
behavioral1/memory/2288-36-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2288-39-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2288-79-0x0000000010000000-0x00000000101B6000-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\\259395904.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

2184 svchost.exe
3052 TXPlatforn.exe
2756 svchos.exe
2288 TXPlatforn.exe
760 Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

pid	process
2184	svchost.exe
3052	TXPlatforn.exe
2756	svchos.exe
2288	TXPlatforn.exe
760	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

Loads dropped DLL 7 IoCs

Processes:

8fbb1c8796614e83771e706012ecfc6a9aafa77bd433f146196ae05a4201df21.exeTXPlatforn.exesvchos.exesvchost.exeÖ÷¶¯·ÀÓù·þÎñÄ£¿é.exe

pid	process
2432	8fbb1c8796614e83771e706012ecfc6a9aafa77bd433f146196ae05a4201df21.exe
2432	8fbb1c8796614e83771e706012ecfc6a9aafa77bd433f146196ae05a4201df21.exe
3052	TXPlatforn.exe
2756	svchos.exe
2700	svchost.exe
2700	svchost.exe
760	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

UPX packed file 10 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/2184-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2184-9-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2184-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2184-8-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3052-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2184-22-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3052-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2288-36-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2288-39-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2288-79-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

Processes:

svchos.exesvchost.exesvchost.exe

description	ioc	process
File created	C:\Windows\SysWOW64\259395904.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
File opened for modification	C:\Windows\SysWOW64\TXPlatforn.exe	svchost.exe

Drops file in Program Files directory 4 IoCs

Processes:

8fbb1c8796614e83771e706012ecfc6a9aafa77bd433f146196ae05a4201df21.exe

description	ioc	process
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	8fbb1c8796614e83771e706012ecfc6a9aafa77bd433f146196ae05a4201df21.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	8fbb1c8796614e83771e706012ecfc6a9aafa77bd433f146196ae05a4201df21.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	8fbb1c8796614e83771e706012ecfc6a9aafa77bd433f146196ae05a4201df21.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	8fbb1c8796614e83771e706012ecfc6a9aafa77bd433f146196ae05a4201df21.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

2352 PING.EXE
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatforn.exe

pid process

2288 TXPlatforn.exe

pid	process
2352	PING.EXE

pid	process
2288	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

svchost.exeTXPlatforn.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2184	svchost.exe
Token: SeLoadDriverPrivilege	2288	TXPlatforn.exe
Token: 33	2288	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2288	TXPlatforn.exe
Token: 33	2288	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2288	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

8fbb1c8796614e83771e706012ecfc6a9aafa77bd433f146196ae05a4201df21.exe

pid	process
2432	8fbb1c8796614e83771e706012ecfc6a9aafa77bd433f146196ae05a4201df21.exe
2432	8fbb1c8796614e83771e706012ecfc6a9aafa77bd433f146196ae05a4201df21.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

8fbb1c8796614e83771e706012ecfc6a9aafa77bd433f146196ae05a4201df21.exesvchost.exeTXPlatforn.execmd.exesvchost.exe

description	pid	process	target process
PID 2432 wrote to memory of 2184	2432	8fbb1c8796614e83771e706012ecfc6a9aafa77bd433f146196ae05a4201df21.exe	svchost.exe
PID 2432 wrote to memory of 2184	2432	8fbb1c8796614e83771e706012ecfc6a9aafa77bd433f146196ae05a4201df21.exe	svchost.exe
PID 2432 wrote to memory of 2184	2432	8fbb1c8796614e83771e706012ecfc6a9aafa77bd433f146196ae05a4201df21.exe	svchost.exe
PID 2432 wrote to memory of 2184	2432	8fbb1c8796614e83771e706012ecfc6a9aafa77bd433f146196ae05a4201df21.exe	svchost.exe
PID 2432 wrote to memory of 2184	2432	8fbb1c8796614e83771e706012ecfc6a9aafa77bd433f146196ae05a4201df21.exe	svchost.exe
PID 2432 wrote to memory of 2184	2432	8fbb1c8796614e83771e706012ecfc6a9aafa77bd433f146196ae05a4201df21.exe	svchost.exe
PID 2432 wrote to memory of 2184	2432	8fbb1c8796614e83771e706012ecfc6a9aafa77bd433f146196ae05a4201df21.exe	svchost.exe
PID 2184 wrote to memory of 2748	2184	svchost.exe	cmd.exe
PID 2184 wrote to memory of 2748	2184	svchost.exe	cmd.exe
PID 2184 wrote to memory of 2748	2184	svchost.exe	cmd.exe
PID 2184 wrote to memory of 2748	2184	svchost.exe	cmd.exe
PID 2432 wrote to memory of 2756	2432	8fbb1c8796614e83771e706012ecfc6a9aafa77bd433f146196ae05a4201df21.exe	svchos.exe
PID 2432 wrote to memory of 2756	2432	8fbb1c8796614e83771e706012ecfc6a9aafa77bd433f146196ae05a4201df21.exe	svchos.exe
PID 2432 wrote to memory of 2756	2432	8fbb1c8796614e83771e706012ecfc6a9aafa77bd433f146196ae05a4201df21.exe	svchos.exe
PID 2432 wrote to memory of 2756	2432	8fbb1c8796614e83771e706012ecfc6a9aafa77bd433f146196ae05a4201df21.exe	svchos.exe
PID 3052 wrote to memory of 2288	3052	TXPlatforn.exe	TXPlatforn.exe
PID 3052 wrote to memory of 2288	3052	TXPlatforn.exe	TXPlatforn.exe
PID 3052 wrote to memory of 2288	3052	TXPlatforn.exe	TXPlatforn.exe
PID 3052 wrote to memory of 2288	3052	TXPlatforn.exe	TXPlatforn.exe
PID 3052 wrote to memory of 2288	3052	TXPlatforn.exe	TXPlatforn.exe
PID 3052 wrote to memory of 2288	3052	TXPlatforn.exe	TXPlatforn.exe
PID 3052 wrote to memory of 2288	3052	TXPlatforn.exe	TXPlatforn.exe
PID 2748 wrote to memory of 2352	2748	cmd.exe	PING.EXE
PID 2748 wrote to memory of 2352	2748	cmd.exe	PING.EXE
PID 2748 wrote to memory of 2352	2748	cmd.exe	PING.EXE
PID 2748 wrote to memory of 2352	2748	cmd.exe	PING.EXE
PID 2700 wrote to memory of 760	2700	svchost.exe	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
PID 2700 wrote to memory of 760	2700	svchost.exe	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
PID 2700 wrote to memory of 760	2700	svchost.exe	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
PID 2700 wrote to memory of 760	2700	svchost.exe	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

C:\Users\Admin\AppData\Local\Temp\8fbb1c8796614e83771e706012ecfc6a9aafa77bd433f146196ae05a4201df21.exe
"C:\Users\Admin\AppData\Local\Temp\8fbb1c8796614e83771e706012ecfc6a9aafa77bd433f146196ae05a4201df21.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2432

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:2184

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:2748

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:2352

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:2756

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3052

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:2288

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
PID:2672

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:2700

C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\259395904.txt",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:760

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

Replay Monitor

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Downloads

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

MD5
da55fc982e6a8306294079eb9781da5e

SHA1
9e2d7c65c332ef733e92521ca88fdc66ef739bff

SHA256
8fbb1c8796614e83771e706012ecfc6a9aafa77bd433f146196ae05a4201df21

SHA512
8befaa4a726e32e5ee050f705ab21e574ac40d59aadc3f62c4f49f6d790393f772b95a749e0e8644297bd3367f0ae35e27fbdcf2e43d3fffa2d27dba07aab04e

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
\Windows\SysWOW64\259395904.txt
Filesize
50KB

MD5
38ba83592b1d4fc1a5670cd9e925be8c

SHA1
6e9347ebb50ed44c9e7570f41e7138217c58e668

SHA256
bd938279668e8c6e8bf9b5738944559f58517d42c5f8cedd58fa8930a2a02961

SHA512
39c6e846061ad53ef19d1512e7731576932241df186296f735d74f45b069917cd5ef59138f5feaa0f5434053df6b0e2c846656db39c94eb0cfe35a7b62337df9

Download Submit
\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/2184-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2184-22-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2184-8-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2184-9-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2184-5-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2288-36-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2288-39-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2288-79-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3052-23-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3052-28-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads