gh0strat | d23bbcd1679c1655a43832df0e5956bfc52d7a3ef94937c4b2cca43943172f1d

Analysis

max time kernel
150s
max time network
153s
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 04:33

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General

Target

d23bbcd1679c1655a43832df0e5956bfc52d7a3ef94937c4b2cca43943172f1d.exe
Size

1.3MB
MD5

a88f53e9e9098bf5d7da1d353e4a4433
SHA1

ca31927203a10bf65f41e1d064c84a0a3e6cbbcc
SHA256

d23bbcd1679c1655a43832df0e5956bfc52d7a3ef94937c4b2cca43943172f1d
SHA512

4f5d372ea4468855937e256fb97e135db54e39b05301c2887bda7e212f83980f6070f278bddafc0bf539a3dcd26bd4b69e074a288d262fc264aa5693057765db
SSDEEP

24576:cQZoidOTdVZinacCET9Ecl1erdg0MCiVWhFU7cViseNA:cQZAdVyVT9n/Gg0P+WhozTA

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 11 IoCs

Detect PurpleFox Rootkit.

rootkit

Processes:

resource	yara_rule
behavioral2/memory/4544-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4544-6-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4544-10-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3872-16-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3872-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3872-15-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/992-32-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/992-37-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/992-42-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3872-31-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/992-61-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 12 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4544-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4544-6-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4544-10-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3872-16-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3872-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3872-15-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/992-32-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/992-37-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/992-42-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
C:\Windows\SysWOW64\240611843.txt	family_gh0strat
behavioral2/memory/3872-31-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/992-61-0x0000000010000000-0x00000000101B6000-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
Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs
persistence

Terminal Services DLL
T1505.005

Processes:

svchos.exe

description ioc process

Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Ö÷¶¯·ÀÓù·þÎñÄ£¿é\Parameters\ServiceDll = "C:\\Windows\\system32\\240611843.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.exeTXPlatforn.exesvchos.exeÖ÷¶¯·ÀÓù·þÎñÄ£¿é.exe

pid process

4544 svchost.exe
3872 TXPlatforn.exe
992 TXPlatforn.exe
1088 svchos.exe
1792 Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
Loads dropped DLL 3 IoCs

Processes:

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

pid process

1088 svchos.exe
5088 svchost.exe
1792 Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

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

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Ö÷¶¯·ÀÓù·þÎñÄ£¿é\Parameters\ServiceDll = "C:\\Windows\\system32\\240611843.txt"	svchos.exe

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

pid	process
4544	svchost.exe
3872	TXPlatforn.exe
992	TXPlatforn.exe
1088	svchos.exe
1792	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

pid	process
1088	svchos.exe
5088	svchost.exe
1792	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

UPX packed file 13 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/4544-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4544-6-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4544-10-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4544-4-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3872-16-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3872-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3872-15-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/992-32-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/992-37-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/992-42-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3872-31-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3872-14-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/992-61-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

Processes:

svchost.exesvchost.exesvchos.exe

description	ioc	process
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
File created	C:\Windows\SysWOW64\240611843.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

Drops file in Program Files directory 5 IoCs

Processes:

d23bbcd1679c1655a43832df0e5956bfc52d7a3ef94937c4b2cca43943172f1d.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	d23bbcd1679c1655a43832df0e5956bfc52d7a3ef94937c4b2cca43943172f1d.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe	d23bbcd1679c1655a43832df0e5956bfc52d7a3ef94937c4b2cca43943172f1d.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	d23bbcd1679c1655a43832df0e5956bfc52d7a3ef94937c4b2cca43943172f1d.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	d23bbcd1679c1655a43832df0e5956bfc52d7a3ef94937c4b2cca43943172f1d.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	d23bbcd1679c1655a43832df0e5956bfc52d7a3ef94937c4b2cca43943172f1d.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

1972 PING.EXE
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatforn.exe

pid process

992 TXPlatforn.exe

pid	process
1972	PING.EXE

pid	process
992	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

svchost.exeTXPlatforn.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	4544	svchost.exe
Token: SeLoadDriverPrivilege	992	TXPlatforn.exe
Token: 33	992	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	992	TXPlatforn.exe
Token: 33	992	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	992	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

d23bbcd1679c1655a43832df0e5956bfc52d7a3ef94937c4b2cca43943172f1d.exe

pid process

3948 d23bbcd1679c1655a43832df0e5956bfc52d7a3ef94937c4b2cca43943172f1d.exe
3948 d23bbcd1679c1655a43832df0e5956bfc52d7a3ef94937c4b2cca43943172f1d.exe

pid	process
3948	d23bbcd1679c1655a43832df0e5956bfc52d7a3ef94937c4b2cca43943172f1d.exe
3948	d23bbcd1679c1655a43832df0e5956bfc52d7a3ef94937c4b2cca43943172f1d.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

d23bbcd1679c1655a43832df0e5956bfc52d7a3ef94937c4b2cca43943172f1d.exesvchost.exeTXPlatforn.execmd.exesvchost.exe

description	pid	process	target process
PID 3948 wrote to memory of 4544	3948	d23bbcd1679c1655a43832df0e5956bfc52d7a3ef94937c4b2cca43943172f1d.exe	svchost.exe
PID 3948 wrote to memory of 4544	3948	d23bbcd1679c1655a43832df0e5956bfc52d7a3ef94937c4b2cca43943172f1d.exe	svchost.exe
PID 3948 wrote to memory of 4544	3948	d23bbcd1679c1655a43832df0e5956bfc52d7a3ef94937c4b2cca43943172f1d.exe	svchost.exe
PID 4544 wrote to memory of 4112	4544	svchost.exe	cmd.exe
PID 4544 wrote to memory of 4112	4544	svchost.exe	cmd.exe
PID 4544 wrote to memory of 4112	4544	svchost.exe	cmd.exe
PID 3872 wrote to memory of 992	3872	TXPlatforn.exe	TXPlatforn.exe
PID 3872 wrote to memory of 992	3872	TXPlatforn.exe	TXPlatforn.exe
PID 3872 wrote to memory of 992	3872	TXPlatforn.exe	TXPlatforn.exe
PID 3948 wrote to memory of 1088	3948	d23bbcd1679c1655a43832df0e5956bfc52d7a3ef94937c4b2cca43943172f1d.exe	svchos.exe
PID 3948 wrote to memory of 1088	3948	d23bbcd1679c1655a43832df0e5956bfc52d7a3ef94937c4b2cca43943172f1d.exe	svchos.exe
PID 3948 wrote to memory of 1088	3948	d23bbcd1679c1655a43832df0e5956bfc52d7a3ef94937c4b2cca43943172f1d.exe	svchos.exe
PID 4112 wrote to memory of 1972	4112	cmd.exe	PING.EXE
PID 4112 wrote to memory of 1972	4112	cmd.exe	PING.EXE
PID 4112 wrote to memory of 1972	4112	cmd.exe	PING.EXE
PID 5088 wrote to memory of 1792	5088	svchost.exe	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
PID 5088 wrote to memory of 1792	5088	svchost.exe	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
PID 5088 wrote to memory of 1792	5088	svchost.exe	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

C:\Users\Admin\AppData\Local\Temp\d23bbcd1679c1655a43832df0e5956bfc52d7a3ef94937c4b2cca43943172f1d.exe
"C:\Users\Admin\AppData\Local\Temp\d23bbcd1679c1655a43832df0e5956bfc52d7a3ef94937c4b2cca43943172f1d.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3948

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:4544

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:4112

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:1972

C:\Users\Admin\AppData\Local\Temp\svchos.exe
C:\Users\Admin\AppData\Local\Temp\\svchos.exe
2⤵
- Server Software Component: Terminal Services DLL
- Executes dropped EXE
- Loads dropped DLL
- Drops file in System32 directory
PID:1088

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3872

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:992

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
PID:3292

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:5088

C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\240611843.txt",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:1792

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
1.3MB

MD5
a88f53e9e9098bf5d7da1d353e4a4433

SHA1
ca31927203a10bf65f41e1d064c84a0a3e6cbbcc

SHA256
d23bbcd1679c1655a43832df0e5956bfc52d7a3ef94937c4b2cca43943172f1d

SHA512
4f5d372ea4468855937e256fb97e135db54e39b05301c2887bda7e212f83980f6070f278bddafc0bf539a3dcd26bd4b69e074a288d262fc264aa5693057765db

Download Submit
C:\Users\Admin\AppData\Local\Temp\HD_X.dat
Filesize
1.6MB

MD5
c4cf95c24c7b7deee65336a541f04fea

SHA1
81764f2a22d55f38b43a1b3d4a4d0939a9c51c02

SHA256
65a5f44c22403174c62da99438cda33d315caaa6a94fb954cffc98b1ec33fd4e

SHA512
5f360be274f3281b35fbd46a82c30707dfc2010292c51a2a2b871b3c2a3f4c9f90a3b96f765aa1818ebee930ef33dff4ed2967e9c75b7a62906e5a64e7c1b44f

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\240611843.txt
Filesize
50KB

MD5
03b7203056a8f84f61da5df3fbccc70d

SHA1
d8e4a3235e865cdec8605fe311683e661eec2a9f

SHA256
27285f33318e88b9f5bf47701baf031e09e7d20a0cc0c6517a56b7bbbc589552

SHA512
1f0ead885820bb728ec4cb92ca5b73953d2384e90d31702ca461f47d2627f8591ebd543b7877f7727eb7bc663eab37b3ca1d72341880a4d4aaaae67bd687af72

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

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/992-37-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/992-61-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/992-42-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/992-32-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3872-14-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3872-31-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3872-16-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3872-15-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3872-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4544-4-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4544-10-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4544-6-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4544-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download