gh0strat | 99b5dd604d4693bb54972d7d2d6069a95dc59ffdf74d130ec789555f5e45ca07

General

Target

99b5dd604d4693bb54972d7d2d6069a95dc59ffdf74d130ec789555f5e45ca07.exe
Size

1.9MB
MD5

d3a55a324587dd64246027d666b9050f
SHA1

77d9da6d0e0eec66db69800ab1ee1148be5c37f4
SHA256

99b5dd604d4693bb54972d7d2d6069a95dc59ffdf74d130ec789555f5e45ca07
SHA512

5f8f7de5081a842a2a3d4e7d7d25ab445b9e2c2e1be781cf9f783380363de3a2bf5d455f16a630796c54d5ed4218b4ea96e1220d0d5a2c34f06335d7206e9cf4
SSDEEP

49152:QQZAdVyVT9n/Gg0P+WhoLpe/ZPItx2apeapelI:5GdVyVT9nOgmhbitUvlI

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/4484-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4484-6-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4484-10-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3452-16-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3452-17-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3452-15-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3452-79-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3344-84-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3344-88-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3344-89-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 11 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4484-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4484-6-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4484-10-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3452-16-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3452-17-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
C:\Windows\SysWOW64\240605890.txt	family_gh0strat
behavioral2/memory/3452-15-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3452-79-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3344-84-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3344-88-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3344-89-0x0000000010000000-0x00000000101B6000-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\\240605890.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.exesvchos.exeHD_99b5dd604d4693bb54972d7d2d6069a95dc59ffdf74d130ec789555f5e45ca07.exeTXPlatforn.exeÖ÷¶¯·ÀÓù·þÎñÄ£¿é.exe

pid	process
4484	svchost.exe
3452	TXPlatforn.exe
1620	svchos.exe
4064	HD_99b5dd604d4693bb54972d7d2d6069a95dc59ffdf74d130ec789555f5e45ca07.exe
3344	TXPlatforn.exe
2280	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

Loads dropped DLL 3 IoCs

Processes:

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

pid process

1620 svchos.exe
4860 svchost.exe
2280 Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

pid	process
1620	svchos.exe
4860	svchost.exe
2280	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/4484-4-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4484-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4484-6-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4484-10-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3452-16-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3452-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3452-15-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3452-13-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3452-79-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3344-84-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3344-88-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3344-89-0x0000000010000000-0x00000000101B6000-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\240605890.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:

99b5dd604d4693bb54972d7d2d6069a95dc59ffdf74d130ec789555f5e45ca07.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	99b5dd604d4693bb54972d7d2d6069a95dc59ffdf74d130ec789555f5e45ca07.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe	99b5dd604d4693bb54972d7d2d6069a95dc59ffdf74d130ec789555f5e45ca07.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	99b5dd604d4693bb54972d7d2d6069a95dc59ffdf74d130ec789555f5e45ca07.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	99b5dd604d4693bb54972d7d2d6069a95dc59ffdf74d130ec789555f5e45ca07.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	99b5dd604d4693bb54972d7d2d6069a95dc59ffdf74d130ec789555f5e45ca07.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

4560 PING.EXE

pid	process
4560	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

99b5dd604d4693bb54972d7d2d6069a95dc59ffdf74d130ec789555f5e45ca07.exe

pid	process
4568	99b5dd604d4693bb54972d7d2d6069a95dc59ffdf74d130ec789555f5e45ca07.exe
4568	99b5dd604d4693bb54972d7d2d6069a95dc59ffdf74d130ec789555f5e45ca07.exe

Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatforn.exe

pid process

3344 TXPlatforn.exe

pid	process
3344	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

svchost.exeTXPlatforn.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	4484	svchost.exe
Token: SeLoadDriverPrivilege	3344	TXPlatforn.exe
Token: 33	3344	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	3344	TXPlatforn.exe
Token: 33	3344	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	3344	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

99b5dd604d4693bb54972d7d2d6069a95dc59ffdf74d130ec789555f5e45ca07.exe

pid	process
4568	99b5dd604d4693bb54972d7d2d6069a95dc59ffdf74d130ec789555f5e45ca07.exe
4568	99b5dd604d4693bb54972d7d2d6069a95dc59ffdf74d130ec789555f5e45ca07.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

99b5dd604d4693bb54972d7d2d6069a95dc59ffdf74d130ec789555f5e45ca07.exesvchost.execmd.exeTXPlatforn.exesvchost.exe

description	pid	process	target process
PID 4568 wrote to memory of 4484	4568	99b5dd604d4693bb54972d7d2d6069a95dc59ffdf74d130ec789555f5e45ca07.exe	svchost.exe
PID 4568 wrote to memory of 4484	4568	99b5dd604d4693bb54972d7d2d6069a95dc59ffdf74d130ec789555f5e45ca07.exe	svchost.exe
PID 4568 wrote to memory of 4484	4568	99b5dd604d4693bb54972d7d2d6069a95dc59ffdf74d130ec789555f5e45ca07.exe	svchost.exe
PID 4484 wrote to memory of 3524	4484	svchost.exe	cmd.exe
PID 4484 wrote to memory of 3524	4484	svchost.exe	cmd.exe
PID 4484 wrote to memory of 3524	4484	svchost.exe	cmd.exe
PID 4568 wrote to memory of 1620	4568	99b5dd604d4693bb54972d7d2d6069a95dc59ffdf74d130ec789555f5e45ca07.exe	svchos.exe
PID 4568 wrote to memory of 1620	4568	99b5dd604d4693bb54972d7d2d6069a95dc59ffdf74d130ec789555f5e45ca07.exe	svchos.exe
PID 4568 wrote to memory of 1620	4568	99b5dd604d4693bb54972d7d2d6069a95dc59ffdf74d130ec789555f5e45ca07.exe	svchos.exe
PID 3524 wrote to memory of 4560	3524	cmd.exe	PING.EXE
PID 3524 wrote to memory of 4560	3524	cmd.exe	PING.EXE
PID 3524 wrote to memory of 4560	3524	cmd.exe	PING.EXE
PID 3452 wrote to memory of 3344	3452	TXPlatforn.exe	TXPlatforn.exe
PID 3452 wrote to memory of 3344	3452	TXPlatforn.exe	TXPlatforn.exe
PID 3452 wrote to memory of 3344	3452	TXPlatforn.exe	TXPlatforn.exe
PID 4860 wrote to memory of 2280	4860	svchost.exe	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
PID 4860 wrote to memory of 2280	4860	svchost.exe	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
PID 4860 wrote to memory of 2280	4860	svchost.exe	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

C:\Users\Admin\AppData\Local\Temp\99b5dd604d4693bb54972d7d2d6069a95dc59ffdf74d130ec789555f5e45ca07.exe
"C:\Users\Admin\AppData\Local\Temp\99b5dd604d4693bb54972d7d2d6069a95dc59ffdf74d130ec789555f5e45ca07.exe"
1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4568

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:4484

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:3524

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:4560

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:1620

C:\Users\Admin\AppData\Local\Temp\HD_99b5dd604d4693bb54972d7d2d6069a95dc59ffdf74d130ec789555f5e45ca07.exe
C:\Users\Admin\AppData\Local\Temp\HD_99b5dd604d4693bb54972d7d2d6069a95dc59ffdf74d130ec789555f5e45ca07.exe
2⤵
- Executes dropped EXE
PID:4064

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3452

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:3344

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
PID:1836

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:4860

C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\240605890.txt",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:2280

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\HD_99b5dd604d4693bb54972d7d2d6069a95dc59ffdf74d130ec789555f5e45ca07.exe
Filesize
645KB

MD5
00eae789b0aab1b0fbd23b830fbf1064

SHA1
e4e5fd089f6ae17c83f073cf91edc9db8189980d

SHA256
7addb2269266ac471a690802cab54539b40c2ae5b31e2120fdcf8dfb0ed15dc7

SHA512
23a0e06b39f8b5a932ae5b8f60704ba265332b341ac8bab5b74b2f31f04ce8c7fe6f77278d70c7685cfa894ab0e25a70d89990f5f643b54c07337f90fa5943fb

Download Submit
C:\Users\Admin\AppData\Local\Temp\HD_X.dat
Filesize
1.3MB

MD5
ed85ace6163f6c685c6e269793e6e140

SHA1
560ff45dda584af76c598a7f62b0ff6350241c97

SHA256
8874ec4c8924073c98a970e3c937d3c8dabd5af7e380fb9e560ceda83e9ab554

SHA512
8f215fb024b90eeeabb1d274a2557f06e3125de77470913abea22c2e8ef6031d1c776da37f4a49914e99a33e9c117a3c85170d45313954d1f86d752d53a79888

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\240605890.txt
Filesize
50KB

MD5
42b05fc5866bc3500f9f8e00a58bdcdc

SHA1
3ce2d27588396f4fca44235a4baf0c598eebf4f0

SHA256
c625d35b2490cad5a159062d7fc1ae5e13c9037f20d3d18fc1282638c9b7c347

SHA512
95db4940301053416375c72cb6dccbeacdc0dbef58c1ccaf54d8d3b1ec2a8924546b89093dd7fc0a2064ecd6980ad6c28b525f9d74257d2753c0095bc79e36fb

Download Submit
C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/3344-89-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3344-88-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3344-84-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3452-13-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3452-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3452-15-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3452-16-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3452-79-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4484-10-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4484-6-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4484-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4484-4-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads