gh0strat | d23bbcd1679c1655a43832df0e5956bfc52d7a3ef94937c4b2cca43943172f1d

Analysis

max time kernel
150s
max time network
118s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-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 9 IoCs

Detect PurpleFox Rootkit.

rootkit

Processes:

resource	yara_rule
behavioral1/memory/3068-9-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3068-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3068-8-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2636-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3068-22-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2636-31-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2708-41-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2708-45-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2708-73-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 10 IoCs

Processes:

resource	yara_rule
behavioral1/memory/3068-9-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3068-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3068-8-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2636-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3068-22-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
\Windows\SysWOW64\259400303.txt	family_gh0strat
behavioral1/memory/2636-31-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2708-41-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2708-45-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2708-73-0x0000000010000000-0x00000000101B6000-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\\259400303.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

3068 svchost.exe
2636 TXPlatforn.exe
2120 svchos.exe
2708 TXPlatforn.exe
2388 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\\259400303.txt"	svchos.exe

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

pid	process
3068	svchost.exe
2636	TXPlatforn.exe
2120	svchos.exe
2708	TXPlatforn.exe
2388	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

Loads dropped DLL 7 IoCs

Processes:

d23bbcd1679c1655a43832df0e5956bfc52d7a3ef94937c4b2cca43943172f1d.exeTXPlatforn.exesvchos.exesvchost.exeÖ÷¶¯·ÀÓù·þÎñÄ£¿é.exe

pid	process
1652	d23bbcd1679c1655a43832df0e5956bfc52d7a3ef94937c4b2cca43943172f1d.exe
1652	d23bbcd1679c1655a43832df0e5956bfc52d7a3ef94937c4b2cca43943172f1d.exe
2636	TXPlatforn.exe
2120	svchos.exe
2724	svchost.exe
2724	svchost.exe
2388	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/3068-9-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3068-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3068-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3068-8-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2636-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3068-22-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2636-31-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2708-41-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2708-45-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2708-73-0x0000000010000000-0x00000000101B6000-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\259400303.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 4 IoCs

Processes:

d23bbcd1679c1655a43832df0e5956bfc52d7a3ef94937c4b2cca43943172f1d.exe

description	ioc	process
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	d23bbcd1679c1655a43832df0e5956bfc52d7a3ef94937c4b2cca43943172f1d.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\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

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

2456 PING.EXE
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatforn.exe

pid process

2708 TXPlatforn.exe

pid	process
2456	PING.EXE

pid	process
2708	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

svchost.exeTXPlatforn.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3068	svchost.exe
Token: SeLoadDriverPrivilege	2708	TXPlatforn.exe
Token: 33	2708	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2708	TXPlatforn.exe
Token: 33	2708	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2708	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

d23bbcd1679c1655a43832df0e5956bfc52d7a3ef94937c4b2cca43943172f1d.exe

pid process

1652 d23bbcd1679c1655a43832df0e5956bfc52d7a3ef94937c4b2cca43943172f1d.exe
1652 d23bbcd1679c1655a43832df0e5956bfc52d7a3ef94937c4b2cca43943172f1d.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

d23bbcd1679c1655a43832df0e5956bfc52d7a3ef94937c4b2cca43943172f1d.exesvchost.exeTXPlatforn.execmd.exesvchost.exe

description	pid	process	target process
PID 1652 wrote to memory of 3068	1652	d23bbcd1679c1655a43832df0e5956bfc52d7a3ef94937c4b2cca43943172f1d.exe	svchost.exe
PID 1652 wrote to memory of 3068	1652	d23bbcd1679c1655a43832df0e5956bfc52d7a3ef94937c4b2cca43943172f1d.exe	svchost.exe
PID 1652 wrote to memory of 3068	1652	d23bbcd1679c1655a43832df0e5956bfc52d7a3ef94937c4b2cca43943172f1d.exe	svchost.exe
PID 1652 wrote to memory of 3068	1652	d23bbcd1679c1655a43832df0e5956bfc52d7a3ef94937c4b2cca43943172f1d.exe	svchost.exe
PID 1652 wrote to memory of 3068	1652	d23bbcd1679c1655a43832df0e5956bfc52d7a3ef94937c4b2cca43943172f1d.exe	svchost.exe
PID 1652 wrote to memory of 3068	1652	d23bbcd1679c1655a43832df0e5956bfc52d7a3ef94937c4b2cca43943172f1d.exe	svchost.exe
PID 1652 wrote to memory of 3068	1652	d23bbcd1679c1655a43832df0e5956bfc52d7a3ef94937c4b2cca43943172f1d.exe	svchost.exe
PID 3068 wrote to memory of 1984	3068	svchost.exe	cmd.exe
PID 3068 wrote to memory of 1984	3068	svchost.exe	cmd.exe
PID 3068 wrote to memory of 1984	3068	svchost.exe	cmd.exe
PID 3068 wrote to memory of 1984	3068	svchost.exe	cmd.exe
PID 1652 wrote to memory of 2120	1652	d23bbcd1679c1655a43832df0e5956bfc52d7a3ef94937c4b2cca43943172f1d.exe	svchos.exe
PID 1652 wrote to memory of 2120	1652	d23bbcd1679c1655a43832df0e5956bfc52d7a3ef94937c4b2cca43943172f1d.exe	svchos.exe
PID 1652 wrote to memory of 2120	1652	d23bbcd1679c1655a43832df0e5956bfc52d7a3ef94937c4b2cca43943172f1d.exe	svchos.exe
PID 1652 wrote to memory of 2120	1652	d23bbcd1679c1655a43832df0e5956bfc52d7a3ef94937c4b2cca43943172f1d.exe	svchos.exe
PID 2636 wrote to memory of 2708	2636	TXPlatforn.exe	TXPlatforn.exe
PID 2636 wrote to memory of 2708	2636	TXPlatforn.exe	TXPlatforn.exe
PID 2636 wrote to memory of 2708	2636	TXPlatforn.exe	TXPlatforn.exe
PID 2636 wrote to memory of 2708	2636	TXPlatforn.exe	TXPlatforn.exe
PID 2636 wrote to memory of 2708	2636	TXPlatforn.exe	TXPlatforn.exe
PID 2636 wrote to memory of 2708	2636	TXPlatforn.exe	TXPlatforn.exe
PID 2636 wrote to memory of 2708	2636	TXPlatforn.exe	TXPlatforn.exe
PID 1984 wrote to memory of 2456	1984	cmd.exe	PING.EXE
PID 1984 wrote to memory of 2456	1984	cmd.exe	PING.EXE
PID 1984 wrote to memory of 2456	1984	cmd.exe	PING.EXE
PID 1984 wrote to memory of 2456	1984	cmd.exe	PING.EXE
PID 2724 wrote to memory of 2388	2724	svchost.exe	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
PID 2724 wrote to memory of 2388	2724	svchost.exe	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
PID 2724 wrote to memory of 2388	2724	svchost.exe	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
PID 2724 wrote to memory of 2388	2724	svchost.exe	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

C:\Users\Admin\AppData\Local\Temp\d23bbcd1679c1655a43832df0e5956bfc52d7a3ef94937c4b2cca43943172f1d.exe
"C:\Users\Admin\AppData\Local\Temp\d23bbcd1679c1655a43832df0e5956bfc52d7a3ef94937c4b2cca43943172f1d.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1652

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:3068

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:1984

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:2456

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:2120

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2636

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:2708

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
PID:2844

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:2724

C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\259400303.txt",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:2388

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\svchos.exe
Filesize
93KB

MD5
3b377ad877a942ec9f60ea285f7119a2

SHA1
60b23987b20d913982f723ab375eef50fafa6c70

SHA256
62954fdf65e629b39a29f539619d20691332184c6b6be5a826128a8e759bfa84

SHA512
af3a71f867ad9d28772c48b521097f9bf8931eb89fd2974e8de10990241419a39ddc3c0b36dd38aac4fdf14e1f0c5e228692618e93adce958d5b5dab8940e46f

Download Submit
\Users\Admin\AppData\Local\Temp\svchost.exe
Filesize
377KB

MD5
a4329177954d4104005bce3020e5ef59

SHA1
23c29e295e2dbb8454012d619ca3f81e4c16e85a

SHA256
6156d003d54dcf2ee92f21bd6e7a6a7f91730bd2804381260bcabe465abe6ddd

SHA512
81e9d456a4abfc7cd9e0943d4a0ce15523362c3179f3368381d1d7974f80a9f9113b5404b96e67e91684e0ea1895b7d0073e4c48d0bfc4fd0244b1af6acf0208

Download Submit
\Windows\SysWOW64\259400303.txt
Filesize
50KB

MD5
03b7203056a8f84f61da5df3fbccc70d

SHA1
d8e4a3235e865cdec8605fe311683e661eec2a9f

SHA256
27285f33318e88b9f5bf47701baf031e09e7d20a0cc0c6517a56b7bbbc589552

SHA512
1f0ead885820bb728ec4cb92ca5b73953d2384e90d31702ca461f47d2627f8591ebd543b7877f7727eb7bc663eab37b3ca1d72341880a4d4aaaae67bd687af72

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

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/2636-31-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2636-19-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2708-41-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2708-45-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2708-73-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3068-22-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3068-8-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3068-5-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3068-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3068-9-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download