gh0strat | 22b13f1bb408a1be85df1306f62ab127de92cd3d3bcb6d4144fb0e9f428124b0

General

Target

22b13f1bb408a1be85df1306f62ab127de92cd3d3bcb6d4144fb0e9f428124b0.exe
Size

1.7MB
MD5

472e017f0768eb4f1d9e59e8e09404c2
SHA1

62f1347097d12c771f33a48e11ab722ca4a419ae
SHA256

22b13f1bb408a1be85df1306f62ab127de92cd3d3bcb6d4144fb0e9f428124b0
SHA512

a384f4aa1fb01e5353470baea14e7d4b03238840cbfcaba1a6b6b7fd9a23c96e4de1c68195187abaa99962e2bd5a4517c58dc036c33b2f50c4f63a032eeb14e6
SSDEEP

24576:kQZoidOTdVZinacCET9Ecl1erdg0MCiVWhFU7cV5zGLroOg7i6j+qM8+Eo0DFukl:kQZAdVyVT9n/Gg0P+WhoTRopj+619

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 10 IoCs

Detect PurpleFox Rootkit.

rootkit

Processes:

resource	yara_rule
behavioral2/memory/1808-6-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1808-10-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1808-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2392-16-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2392-15-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2392-17-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2392-37-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4384-42-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4384-57-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4384-89-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 11 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1808-6-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1808-10-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1808-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2392-16-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2392-15-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2392-17-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2392-37-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
C:\Windows\SysWOW64\240600296.txt	family_gh0strat
behavioral2/memory/4384-42-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4384-57-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4384-89-0x0000000010000000-0x00000000101B6000-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\\240600296.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 6 IoCs

Processes:

svchost.exeTXPlatforn.exeTXPlatforn.exesvchos.exeHD_22b13f1bb408a1be85df1306f62ab127de92cd3d3bcb6d4144fb0e9f428124b0.exeÖ÷¶¯·ÀÓù·þÎñÄ£¿é.exe

pid	process
1808	svchost.exe
2392	TXPlatforn.exe
4384	TXPlatforn.exe
3616	svchos.exe
4236	HD_22b13f1bb408a1be85df1306f62ab127de92cd3d3bcb6d4144fb0e9f428124b0.exe
872	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

Loads dropped DLL 3 IoCs

Processes:

svchos.exesvchost.exeÖ÷¶¯·ÀÓù·þÎñÄ£¿é.exe

pid process

3616 svchos.exe
1196 svchost.exe
872 Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

pid	process
3616	svchos.exe
1196	svchost.exe
872	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

UPX packed file 12 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/1808-6-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1808-10-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1808-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1808-4-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2392-13-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2392-16-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2392-15-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2392-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2392-37-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4384-42-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4384-57-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4384-89-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

Processes:

svchost.exesvchos.exesvchost.exe

description	ioc	process
File created	C:\Windows\SysWOW64\TXPlatforn.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\TXPlatforn.exe	svchost.exe
File created	C:\Windows\SysWOW64\240600296.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

Drops file in Program Files directory 5 IoCs

Processes:

22b13f1bb408a1be85df1306f62ab127de92cd3d3bcb6d4144fb0e9f428124b0.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe	22b13f1bb408a1be85df1306f62ab127de92cd3d3bcb6d4144fb0e9f428124b0.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	22b13f1bb408a1be85df1306f62ab127de92cd3d3bcb6d4144fb0e9f428124b0.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	22b13f1bb408a1be85df1306f62ab127de92cd3d3bcb6d4144fb0e9f428124b0.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	22b13f1bb408a1be85df1306f62ab127de92cd3d3bcb6d4144fb0e9f428124b0.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	22b13f1bb408a1be85df1306f62ab127de92cd3d3bcb6d4144fb0e9f428124b0.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

5084 PING.EXE

pid	process
5084	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

22b13f1bb408a1be85df1306f62ab127de92cd3d3bcb6d4144fb0e9f428124b0.exe

pid	process
3652	22b13f1bb408a1be85df1306f62ab127de92cd3d3bcb6d4144fb0e9f428124b0.exe
3652	22b13f1bb408a1be85df1306f62ab127de92cd3d3bcb6d4144fb0e9f428124b0.exe

Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatforn.exe

pid process

4384 TXPlatforn.exe

pid	process
4384	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

svchost.exeTXPlatforn.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1808	svchost.exe
Token: SeLoadDriverPrivilege	4384	TXPlatforn.exe
Token: 33	4384	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	4384	TXPlatforn.exe
Token: 33	4384	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	4384	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

22b13f1bb408a1be85df1306f62ab127de92cd3d3bcb6d4144fb0e9f428124b0.exe

pid	process
3652	22b13f1bb408a1be85df1306f62ab127de92cd3d3bcb6d4144fb0e9f428124b0.exe
3652	22b13f1bb408a1be85df1306f62ab127de92cd3d3bcb6d4144fb0e9f428124b0.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

22b13f1bb408a1be85df1306f62ab127de92cd3d3bcb6d4144fb0e9f428124b0.exesvchost.exeTXPlatforn.execmd.exesvchost.exe

description	pid	process	target process
PID 3652 wrote to memory of 1808	3652	22b13f1bb408a1be85df1306f62ab127de92cd3d3bcb6d4144fb0e9f428124b0.exe	svchost.exe
PID 3652 wrote to memory of 1808	3652	22b13f1bb408a1be85df1306f62ab127de92cd3d3bcb6d4144fb0e9f428124b0.exe	svchost.exe
PID 3652 wrote to memory of 1808	3652	22b13f1bb408a1be85df1306f62ab127de92cd3d3bcb6d4144fb0e9f428124b0.exe	svchost.exe
PID 1808 wrote to memory of 1424	1808	svchost.exe	cmd.exe
PID 1808 wrote to memory of 1424	1808	svchost.exe	cmd.exe
PID 1808 wrote to memory of 1424	1808	svchost.exe	cmd.exe
PID 2392 wrote to memory of 4384	2392	TXPlatforn.exe	TXPlatforn.exe
PID 2392 wrote to memory of 4384	2392	TXPlatforn.exe	TXPlatforn.exe
PID 2392 wrote to memory of 4384	2392	TXPlatforn.exe	TXPlatforn.exe
PID 3652 wrote to memory of 3616	3652	22b13f1bb408a1be85df1306f62ab127de92cd3d3bcb6d4144fb0e9f428124b0.exe	svchos.exe
PID 3652 wrote to memory of 3616	3652	22b13f1bb408a1be85df1306f62ab127de92cd3d3bcb6d4144fb0e9f428124b0.exe	svchos.exe
PID 3652 wrote to memory of 3616	3652	22b13f1bb408a1be85df1306f62ab127de92cd3d3bcb6d4144fb0e9f428124b0.exe	svchos.exe
PID 3652 wrote to memory of 4236	3652	22b13f1bb408a1be85df1306f62ab127de92cd3d3bcb6d4144fb0e9f428124b0.exe	HD_22b13f1bb408a1be85df1306f62ab127de92cd3d3bcb6d4144fb0e9f428124b0.exe
PID 3652 wrote to memory of 4236	3652	22b13f1bb408a1be85df1306f62ab127de92cd3d3bcb6d4144fb0e9f428124b0.exe	HD_22b13f1bb408a1be85df1306f62ab127de92cd3d3bcb6d4144fb0e9f428124b0.exe
PID 3652 wrote to memory of 4236	3652	22b13f1bb408a1be85df1306f62ab127de92cd3d3bcb6d4144fb0e9f428124b0.exe	HD_22b13f1bb408a1be85df1306f62ab127de92cd3d3bcb6d4144fb0e9f428124b0.exe
PID 1424 wrote to memory of 5084	1424	cmd.exe	PING.EXE
PID 1424 wrote to memory of 5084	1424	cmd.exe	PING.EXE
PID 1424 wrote to memory of 5084	1424	cmd.exe	PING.EXE
PID 1196 wrote to memory of 872	1196	svchost.exe	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
PID 1196 wrote to memory of 872	1196	svchost.exe	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
PID 1196 wrote to memory of 872	1196	svchost.exe	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

C:\Users\Admin\AppData\Local\Temp\22b13f1bb408a1be85df1306f62ab127de92cd3d3bcb6d4144fb0e9f428124b0.exe
"C:\Users\Admin\AppData\Local\Temp\22b13f1bb408a1be85df1306f62ab127de92cd3d3bcb6d4144fb0e9f428124b0.exe"
1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3652

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:1808

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:1424

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:5084

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:3616

C:\Users\Admin\AppData\Local\Temp\HD_22b13f1bb408a1be85df1306f62ab127de92cd3d3bcb6d4144fb0e9f428124b0.exe
C:\Users\Admin\AppData\Local\Temp\HD_22b13f1bb408a1be85df1306f62ab127de92cd3d3bcb6d4144fb0e9f428124b0.exe
2⤵
- Executes dropped EXE
PID:4236

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2392

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:4384

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
PID:2284

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:1196

C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\240600296.txt",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:872

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

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\HD_22b13f1bb408a1be85df1306f62ab127de92cd3d3bcb6d4144fb0e9f428124b0.exe

Filesize
439KB

MD5
ecce8dc700265c1630a6b78a0d296c47

SHA1
19b3ba3d2919ae6950446fd098a9668c0d6c9444

SHA256
09990c28fb72af87e75f806b513eb011191b1a82604f9bef0dc7fb3f93db951e

SHA512
7a80d50fbbd8aef5a2f6aa0bec3952f22bbad94b3c80d00e714af5fcb8402357ca197f9121e3374fe2a536e3a08b6b48c692804fb1be489d98cb42a583dd814d

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

Filesize
1.3MB

MD5
1df1cd5acca60ca83ad5321e13e9cae6

SHA1
67065de18cdfb106b15f6bbcd51cc6da2567aec1

SHA256
2ee19e31d4d6d048707a0531475139d676eed9ec5844d3bd53dc29125c5725e8

SHA512
6e8ded34b9c2e66e14b3060c07b4a81a4c7a974fe3819a53d34dee8f850c4d1636f2e23a16cbefe5be66494e5affdf80ad52a17fe7b4c476940bbe5cb82124e2

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
C:\Windows\SysWOW64\240600296.txt

Filesize
50KB

MD5
8a8c0b4a6142cfb7999fc3913bbb3778

SHA1
aa23751ff40d50b14f38f0fa65faa6ed3af9f278

SHA256
f4910990e7bb5dca76582a998ee6d76c78d963f233620089616bcb7f64cd3777

SHA512
b1a4774acc6acb7102ca2f612e5f8496227513cf4b94dd2338eadd0db70cb5e0b6a5500eade23eae9577259fe77ded4a0602573702feae3895b043baa6d0b6e3

Download Submit
C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/1808-4-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1808-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1808-10-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1808-6-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2392-15-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2392-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2392-16-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2392-13-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2392-37-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4384-42-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4384-57-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4384-89-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads