gh0strat | a0916bfd3a08be40d036ff8b8bbf6043f075745c0d306fc457062d258eb0109f

Analysis

max time kernel
150s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
01-07-2024 04:27

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General

Target

a0916bfd3a08be40d036ff8b8bbf6043f075745c0d306fc457062d258eb0109f.exe
Size

9.0MB
MD5

d03f66c2b1ff21cefb5146fa6d2481b4
SHA1

c50d87a4ec9a63843d82fdbd0e4ad1b6094bb7c8
SHA256

a0916bfd3a08be40d036ff8b8bbf6043f075745c0d306fc457062d258eb0109f
SHA512

6f2bafd5c65dbaf7253a18a0f08ebea183b5f1fc98e86865717a36b302082f0ccc3aef3091c8ce86260be8515f034a5c02dbcf38018f49f0a9455041a686712b
SSDEEP

196608:/KXbeO7B8B+IFfKv4E97HfctdUz72ZPuFG1:c7CB+Mov97HufleG1

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/4904-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4904-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4904-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4120-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1776-37-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1776-46-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1776-39-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4120-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

Processes:

resource	yara_rule
C:\Windows\SysWOW64\240605296.txt	family_gh0strat
behavioral2/memory/4904-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4904-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4904-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4120-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1776-37-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1776-46-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1776-39-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4120-28-0x0000000010000000-0x00000000101B6000-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
Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs
persistence

Terminal Services DLL
T1505.005

Processes:

R.exe

description ioc process

Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Remote Data\Parameters\ServiceDll = "C:\\Windows\\system32\\240605296.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_a0916bfd3a08be40d036ff8b8bbf6043f075745c0d306fc457062d258eb0109f.exeRemote Data.exe

pid process

5080 R.exe
4904 N.exe
4120 TXPlatfor.exe
1776 TXPlatfor.exe
2648 HD_a0916bfd3a08be40d036ff8b8bbf6043f075745c0d306fc457062d258eb0109f.exe
2068 Remote Data.exe
Loads dropped DLL 3 IoCs

Processes:

R.exesvchost.exeRemote Data.exe

pid process

5080 R.exe
4324 svchost.exe
2068 Remote Data.exe

description	ioc	process
File created	C:\Windows\system32\drivers\QAssist.sys	TXPlatfor.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Remote Data\Parameters\ServiceDll = "C:\\Windows\\system32\\240605296.txt"	R.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\QAssist\ImagePath = "system32\\DRIVERS\\QAssist.sys"	TXPlatfor.exe

pid	process
5080	R.exe
4904	N.exe
4120	TXPlatfor.exe
1776	TXPlatfor.exe
2648	HD_a0916bfd3a08be40d036ff8b8bbf6043f075745c0d306fc457062d258eb0109f.exe
2068	Remote Data.exe

pid	process
5080	R.exe
4324	svchost.exe
2068	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/4904-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4904-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4904-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4904-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4120-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1776-37-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1776-46-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1776-39-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4120-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4120-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

Processes:

R.exesvchost.exeN.exe

description	ioc	process
File created	C:\Windows\SysWOW64\240605296.txt	R.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	R.exe
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

Drops file in Program Files directory 1 IoCs

Processes:

a0916bfd3a08be40d036ff8b8bbf6043f075745c0d306fc457062d258eb0109f.exe

description ioc process

File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe a0916bfd3a08be40d036ff8b8bbf6043f075745c0d306fc457062d258eb0109f.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

1412 PING.EXE
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

a0916bfd3a08be40d036ff8b8bbf6043f075745c0d306fc457062d258eb0109f.exe

pid process

2368 a0916bfd3a08be40d036ff8b8bbf6043f075745c0d306fc457062d258eb0109f.exe
2368 a0916bfd3a08be40d036ff8b8bbf6043f075745c0d306fc457062d258eb0109f.exe
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatfor.exe

pid process

1776 TXPlatfor.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	a0916bfd3a08be40d036ff8b8bbf6043f075745c0d306fc457062d258eb0109f.exe

pid	process
1412	PING.EXE

pid	process
2368	a0916bfd3a08be40d036ff8b8bbf6043f075745c0d306fc457062d258eb0109f.exe
2368	a0916bfd3a08be40d036ff8b8bbf6043f075745c0d306fc457062d258eb0109f.exe

pid	process
1776	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

N.exeTXPlatfor.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	4904	N.exe
Token: SeLoadDriverPrivilege	1776	TXPlatfor.exe
Token: 33	1776	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	1776	TXPlatfor.exe
Token: 33	1776	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	1776	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

a0916bfd3a08be40d036ff8b8bbf6043f075745c0d306fc457062d258eb0109f.exe

pid process

2368 a0916bfd3a08be40d036ff8b8bbf6043f075745c0d306fc457062d258eb0109f.exe
2368 a0916bfd3a08be40d036ff8b8bbf6043f075745c0d306fc457062d258eb0109f.exe

pid	process
2368	a0916bfd3a08be40d036ff8b8bbf6043f075745c0d306fc457062d258eb0109f.exe
2368	a0916bfd3a08be40d036ff8b8bbf6043f075745c0d306fc457062d258eb0109f.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

a0916bfd3a08be40d036ff8b8bbf6043f075745c0d306fc457062d258eb0109f.exeN.exeTXPlatfor.execmd.exesvchost.exe

description	pid	process	target process
PID 2368 wrote to memory of 5080	2368	a0916bfd3a08be40d036ff8b8bbf6043f075745c0d306fc457062d258eb0109f.exe	R.exe
PID 2368 wrote to memory of 5080	2368	a0916bfd3a08be40d036ff8b8bbf6043f075745c0d306fc457062d258eb0109f.exe	R.exe
PID 2368 wrote to memory of 5080	2368	a0916bfd3a08be40d036ff8b8bbf6043f075745c0d306fc457062d258eb0109f.exe	R.exe
PID 2368 wrote to memory of 4904	2368	a0916bfd3a08be40d036ff8b8bbf6043f075745c0d306fc457062d258eb0109f.exe	N.exe
PID 2368 wrote to memory of 4904	2368	a0916bfd3a08be40d036ff8b8bbf6043f075745c0d306fc457062d258eb0109f.exe	N.exe
PID 2368 wrote to memory of 4904	2368	a0916bfd3a08be40d036ff8b8bbf6043f075745c0d306fc457062d258eb0109f.exe	N.exe
PID 4904 wrote to memory of 3708	4904	N.exe	cmd.exe
PID 4904 wrote to memory of 3708	4904	N.exe	cmd.exe
PID 4904 wrote to memory of 3708	4904	N.exe	cmd.exe
PID 4120 wrote to memory of 1776	4120	TXPlatfor.exe	TXPlatfor.exe
PID 4120 wrote to memory of 1776	4120	TXPlatfor.exe	TXPlatfor.exe
PID 4120 wrote to memory of 1776	4120	TXPlatfor.exe	TXPlatfor.exe
PID 2368 wrote to memory of 2648	2368	a0916bfd3a08be40d036ff8b8bbf6043f075745c0d306fc457062d258eb0109f.exe	HD_a0916bfd3a08be40d036ff8b8bbf6043f075745c0d306fc457062d258eb0109f.exe
PID 2368 wrote to memory of 2648	2368	a0916bfd3a08be40d036ff8b8bbf6043f075745c0d306fc457062d258eb0109f.exe	HD_a0916bfd3a08be40d036ff8b8bbf6043f075745c0d306fc457062d258eb0109f.exe
PID 3708 wrote to memory of 1412	3708	cmd.exe	PING.EXE
PID 3708 wrote to memory of 1412	3708	cmd.exe	PING.EXE
PID 3708 wrote to memory of 1412	3708	cmd.exe	PING.EXE
PID 4324 wrote to memory of 2068	4324	svchost.exe	Remote Data.exe
PID 4324 wrote to memory of 2068	4324	svchost.exe	Remote Data.exe
PID 4324 wrote to memory of 2068	4324	svchost.exe	Remote Data.exe

C:\Users\Admin\AppData\Local\Temp\a0916bfd3a08be40d036ff8b8bbf6043f075745c0d306fc457062d258eb0109f.exe
"C:\Users\Admin\AppData\Local\Temp\a0916bfd3a08be40d036ff8b8bbf6043f075745c0d306fc457062d258eb0109f.exe"
1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2368

C:\Users\Admin\AppData\Local\Temp\R.exe
C:\Users\Admin\AppData\Local\Temp\\R.exe
2⤵
- Server Software Component: Terminal Services DLL
- Executes dropped EXE
- Loads dropped DLL
- Drops file in System32 directory
PID:5080

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:4904

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:3708

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:1412

C:\Users\Admin\AppData\Local\Temp\HD_a0916bfd3a08be40d036ff8b8bbf6043f075745c0d306fc457062d258eb0109f.exe
C:\Users\Admin\AppData\Local\Temp\HD_a0916bfd3a08be40d036ff8b8bbf6043f075745c0d306fc457062d258eb0109f.exe
2⤵
- Executes dropped EXE
PID:2648

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:3672

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:4324

C:\Windows\SysWOW64\Remote Data.exe
"C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240605296.txt",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:2068

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4120

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:1776

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads

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

MD5
a9aea5eb9ba87424dad934e7706ba53f

SHA1
bedc4ddc02e163156561d000c73f1f1951d18335

SHA256
cff458c3505bc754b8608564ce0aae38469ececac6c9f4f79ff80083a4ca223f

SHA512
54697791189399ccfe71e2a806e021d4b301576199b3d4187daeadde6a67ad4f0f0856325199b166fd087ee5e8aef408cca1c9bebc794d38befee7d6bdabd09b

Download Submit
C:\Users\Admin\AppData\Local\Temp\HD_a0916bfd3a08be40d036ff8b8bbf6043f075745c0d306fc457062d258eb0109f.exe
Filesize
6.4MB

MD5
aa92e60e74b20a319263895fbebd76d1

SHA1
ca9a22323d13862bcdaae500e686b1c6a49d79be

SHA256
e74356a880b669b8e2730cc2a38a44d974806c179f98af7d4e8a3f9f37682f84

SHA512
227f971604ccf9c52092c73f5a7a1084e755fe35729b7a7b183ee0ca0f2931f78d811e2482dfac7fbfd8f497f1a1599af854db1a0219a10d60585d27a18da6aa

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\240605296.txt
Filesize
899KB

MD5
7cdfc6568b02aae9503e2c8a65aaa778

SHA1
576ef6edf27f2de386c14a38ecd1a3293cef6f4d

SHA256
9f221a835982f64c1ea315522c8f16ec3bca01bf1fb4a159ef188fe23453b6d9

SHA512
9a525be4c4dd831e738b9ea83cf59399659570bc2e581d2fce132767bae1edde841fb7ff31560eb8689a69f096220d863d043fa9b27eadfe949dfc9eade1edbb

Download Submit
C:\Windows\SysWOW64\Remote Data.exe
Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/1776-39-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1776-37-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1776-46-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4120-29-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4120-28-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4120-26-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4904-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4904-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4904-23-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4904-19-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download