gh0strat | 248d5aa7e86540db6640678b21dbfd485483094c55b5be4525966c157972958c

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
07-11-2024 09:11

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General

Target

248d5aa7e86540db6640678b21dbfd485483094c55b5be4525966c157972958c.exe
Size

1.5MB
MD5

304a8cc2f29254aa730db25b8625c734
SHA1

1ec8b7878fa6b5acf1c8b4af861aecc45834f32f
SHA256

248d5aa7e86540db6640678b21dbfd485483094c55b5be4525966c157972958c
SHA512

797464e5eee7dd57e6a6b6dbf8b1b26c0d61bcec18d6ca4ba243d6683e6ea256499188ddfd4e8cfb821574f936d9ee927ce971af07b8a1be8ce31affb29e5ca4
SSDEEP

24576:AQZoidOTdVZinacCET9Ecl1erdg0MCiVWhFU7cVywpeb7oW:AQZAdVyVT9n/Gg0P+WhoopePz

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 11 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral2/memory/2044-6-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2044-10-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2044-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3388-15-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3388-17-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3388-16-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3388-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4856-32-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4856-38-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4856-41-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4856-44-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 12 IoCs

resource	yara_rule
behavioral2/memory/2044-6-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2044-10-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2044-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3388-15-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3388-17-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3388-16-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3388-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4856-32-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/files/0x000a000000023b65-36.dat	family_gh0strat
behavioral2/memory/4856-38-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4856-41-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4856-44-0x0000000010000000-0x00000000101B6000-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
Gh0strat family
gh0strat
PurpleFox
PurpleFox is an exploit kit used to distribute other malware families and first seen in 2018.
rootkit trojan purplefox
Purplefox family
purplefox

Drops file in Drivers directory 1 IoCs

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

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Ö÷¶¯·ÀÓù·þÎñÄ£¿é\Parameters\ServiceDll = "C:\\Windows\\system32\\240616828.txt"	svchos.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

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

Executes dropped EXE 5 IoCs

pid	Process
2044	svchost.exe
3388	TXPlatforn.exe
2784	svchos.exe
4856	TXPlatforn.exe
2752	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

Loads dropped DLL 3 IoCs

pid	Process
2784	svchos.exe
4228	svchost.exe
2752	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\TXPlatforn.exe	svchost.exe
File created	C:\Windows\SysWOW64\240616828.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
File created	C:\Windows\SysWOW64\TXPlatforn.exe	svchost.exe

UPX packed file 13 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2044-6-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2044-4-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2044-10-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2044-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3388-13-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3388-15-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3388-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3388-16-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3388-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4856-32-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4856-38-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4856-41-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4856-44-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in Program Files directory 5 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	248d5aa7e86540db6640678b21dbfd485483094c55b5be4525966c157972958c.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe	248d5aa7e86540db6640678b21dbfd485483094c55b5be4525966c157972958c.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	248d5aa7e86540db6640678b21dbfd485483094c55b5be4525966c157972958c.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	248d5aa7e86540db6640678b21dbfd485483094c55b5be4525966c157972958c.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	248d5aa7e86540db6640678b21dbfd485483094c55b5be4525966c157972958c.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 8 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	248d5aa7e86540db6640678b21dbfd485483094c55b5be4525966c157972958c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TXPlatforn.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchos.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
392	cmd.exe
1132	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1132	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
4856	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2044	svchost.exe
Token: SeLoadDriverPrivilege	4856	TXPlatforn.exe
Token: 33	4856	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	4856	TXPlatforn.exe
Token: 33	4856	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	4856	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2672	248d5aa7e86540db6640678b21dbfd485483094c55b5be4525966c157972958c.exe
2672	248d5aa7e86540db6640678b21dbfd485483094c55b5be4525966c157972958c.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2672 wrote to memory of 2044	2672	248d5aa7e86540db6640678b21dbfd485483094c55b5be4525966c157972958c.exe	83
PID 2672 wrote to memory of 2044	2672	248d5aa7e86540db6640678b21dbfd485483094c55b5be4525966c157972958c.exe	83
PID 2672 wrote to memory of 2044	2672	248d5aa7e86540db6640678b21dbfd485483094c55b5be4525966c157972958c.exe	83
PID 2044 wrote to memory of 392	2044	svchost.exe	85
PID 2044 wrote to memory of 392	2044	svchost.exe	85
PID 2044 wrote to memory of 392	2044	svchost.exe	85
PID 2672 wrote to memory of 2784	2672	248d5aa7e86540db6640678b21dbfd485483094c55b5be4525966c157972958c.exe	87
PID 2672 wrote to memory of 2784	2672	248d5aa7e86540db6640678b21dbfd485483094c55b5be4525966c157972958c.exe	87
PID 2672 wrote to memory of 2784	2672	248d5aa7e86540db6640678b21dbfd485483094c55b5be4525966c157972958c.exe	87
PID 3388 wrote to memory of 4856	3388	TXPlatforn.exe	88
PID 3388 wrote to memory of 4856	3388	TXPlatforn.exe	88
PID 3388 wrote to memory of 4856	3388	TXPlatforn.exe	88
PID 392 wrote to memory of 1132	392	cmd.exe	92
PID 392 wrote to memory of 1132	392	cmd.exe	92
PID 392 wrote to memory of 1132	392	cmd.exe	92
PID 4228 wrote to memory of 2752	4228	svchost.exe	102
PID 4228 wrote to memory of 2752	4228	svchost.exe	102
PID 4228 wrote to memory of 2752	4228	svchost.exe	102

C:\Users\Admin\AppData\Local\Temp\248d5aa7e86540db6640678b21dbfd485483094c55b5be4525966c157972958c.exe
"C:\Users\Admin\AppData\Local\Temp\248d5aa7e86540db6640678b21dbfd485483094c55b5be4525966c157972958c.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2672
- 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
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2044
- - 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⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Suspicious use of WriteProcessMemory
    PID:392
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      System Location Discovery: System Language Discovery
      System Network Configuration Discovery: Internet Connection Discovery
      Runs ping.exe
      PID:1132
- 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
  - System Location Discovery: System Language Discovery
  PID:2784

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3388
- 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:4856

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
PID:4368

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4228
- C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
  C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\240616828.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:2752

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Server Software Component

T1505

Terminal Services DLL

T1505.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Remote System Discovery

T1018

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
1.5MB

MD5
304a8cc2f29254aa730db25b8625c734

SHA1
1ec8b7878fa6b5acf1c8b4af861aecc45834f32f

SHA256
248d5aa7e86540db6640678b21dbfd485483094c55b5be4525966c157972958c

SHA512
797464e5eee7dd57e6a6b6dbf8b1b26c0d61bcec18d6ca4ba243d6683e6ea256499188ddfd4e8cfb821574f936d9ee927ce971af07b8a1be8ce31affb29e5ca4

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\240616828.txt

Filesize
50KB

MD5
3f9f25bb73bd3801fd5bb5f871173e1e

SHA1
0f9e0e9e4b5a0abe9aeae1cabae45ce9f672075f

SHA256
9684ea1e512ee00e0d3436646d29d657da1076d4220315d0151e172b735a3bed

SHA512
f5c7b399085e16297b03e990148f9bad41386b58c34e63a4d8fd743fb82287bf72b6fa62896518dbbdcfa6130273594705f6620be30493ef91ae617fd38d457d

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

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/2044-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2044-10-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2044-4-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2044-6-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3388-15-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3388-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3388-16-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3388-13-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3388-23-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4856-32-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4856-38-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4856-41-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4856-44-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads