gh0strat | 9c535c57bacf0df3572a93ed50ef4403c26d7c3c31dd8228f4113832baf20250

General

Target

9c535c57bacf0df3572a93ed50ef4403c26d7c3c31dd8228f4113832baf20250.exe
Size

1.5MB
MD5

c2630dfbab91317430f81ec00e0713ec
SHA1

9e213196897bb04c8f9ca65722ef04a902d5878f
SHA256

9c535c57bacf0df3572a93ed50ef4403c26d7c3c31dd8228f4113832baf20250
SHA512

b5f695dcd2ec49382c956a94fb44e51b8f902feeadfb5537e933e1a69b0a72b389e350f83e0ab169993ae455061a6ab061fa803a9d3514e6f875e2fc152df1ba
SSDEEP

24576:NQZoidOTdVZinacCET9Ecl1erdg0MCiVWhFU7cV3SN5mmT7Ko:NQZAdVyVT9n/Gg0P+WhoPvfKo

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/4528-6-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4528-10-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4528-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3920-15-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3920-17-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3920-16-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4420-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4420-77-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3920-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4420-86-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4420-88-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 12 IoCs

resource	yara_rule
behavioral2/memory/4528-6-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4528-10-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4528-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3920-15-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3920-17-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3920-16-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4420-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/files/0x00070000000234c2-36.dat	family_gh0strat
behavioral2/memory/4420-77-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3920-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4420-86-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4420-88-0x0000000010000000-0x00000000101B6000-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

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\\240628796.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
4528	svchost.exe
3920	TXPlatforn.exe
4420	TXPlatforn.exe
4572	svchos.exe
408	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

Loads dropped DLL 3 IoCs

pid	Process
4572	svchos.exe
1092	svchost.exe
408	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

UPX packed file 13 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4528-6-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4528-4-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4528-10-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4528-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3920-15-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3920-13-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3920-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3920-16-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4420-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4420-77-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3920-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4420-86-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4420-88-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\240628796.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
File opened for modification	C:\Windows\SysWOW64\TXPlatforn.exe	svchost.exe

Drops file in Program Files directory 5 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	9c535c57bacf0df3572a93ed50ef4403c26d7c3c31dd8228f4113832baf20250.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	9c535c57bacf0df3572a93ed50ef4403c26d7c3c31dd8228f4113832baf20250.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe	9c535c57bacf0df3572a93ed50ef4403c26d7c3c31dd8228f4113832baf20250.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	9c535c57bacf0df3572a93ed50ef4403c26d7c3c31dd8228f4113832baf20250.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	9c535c57bacf0df3572a93ed50ef4403c26d7c3c31dd8228f4113832baf20250.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	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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9c535c57bacf0df3572a93ed50ef4403c26d7c3c31dd8228f4113832baf20250.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

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
4856	PING.EXE
3672	cmd.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4856	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
4420	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	4528	svchost.exe
Token: SeLoadDriverPrivilege	4420	TXPlatforn.exe
Token: 33	4420	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	4420	TXPlatforn.exe
Token: 33	4420	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	4420	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2348	9c535c57bacf0df3572a93ed50ef4403c26d7c3c31dd8228f4113832baf20250.exe
2348	9c535c57bacf0df3572a93ed50ef4403c26d7c3c31dd8228f4113832baf20250.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2348 wrote to memory of 4528	2348	9c535c57bacf0df3572a93ed50ef4403c26d7c3c31dd8228f4113832baf20250.exe	84
PID 2348 wrote to memory of 4528	2348	9c535c57bacf0df3572a93ed50ef4403c26d7c3c31dd8228f4113832baf20250.exe	84
PID 2348 wrote to memory of 4528	2348	9c535c57bacf0df3572a93ed50ef4403c26d7c3c31dd8228f4113832baf20250.exe	84
PID 4528 wrote to memory of 3672	4528	svchost.exe	88
PID 4528 wrote to memory of 3672	4528	svchost.exe	88
PID 4528 wrote to memory of 3672	4528	svchost.exe	88
PID 3920 wrote to memory of 4420	3920	TXPlatforn.exe	89
PID 3920 wrote to memory of 4420	3920	TXPlatforn.exe	89
PID 3920 wrote to memory of 4420	3920	TXPlatforn.exe	89
PID 2348 wrote to memory of 4572	2348	9c535c57bacf0df3572a93ed50ef4403c26d7c3c31dd8228f4113832baf20250.exe	90
PID 2348 wrote to memory of 4572	2348	9c535c57bacf0df3572a93ed50ef4403c26d7c3c31dd8228f4113832baf20250.exe	90
PID 2348 wrote to memory of 4572	2348	9c535c57bacf0df3572a93ed50ef4403c26d7c3c31dd8228f4113832baf20250.exe	90
PID 3672 wrote to memory of 4856	3672	cmd.exe	94
PID 3672 wrote to memory of 4856	3672	cmd.exe	94
PID 3672 wrote to memory of 4856	3672	cmd.exe	94
PID 1092 wrote to memory of 408	1092	svchost.exe	100
PID 1092 wrote to memory of 408	1092	svchost.exe	100
PID 1092 wrote to memory of 408	1092	svchost.exe	100

C:\Users\Admin\AppData\Local\Temp\9c535c57bacf0df3572a93ed50ef4403c26d7c3c31dd8228f4113832baf20250.exe
"C:\Users\Admin\AppData\Local\Temp\9c535c57bacf0df3572a93ed50ef4403c26d7c3c31dd8228f4113832baf20250.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2348
- 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:4528
- - 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:3672
  - - 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:4856
- 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:4572

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:3920
- 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:4420

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
PID:4172

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:1092
- C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
  C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\240628796.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:408

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Server Software Component

1

T1505

Terminal Services DLL

1

T1505.005

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Remote System Discovery

1

T1018

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
1.5MB

MD5
c2630dfbab91317430f81ec00e0713ec

SHA1
9e213196897bb04c8f9ca65722ef04a902d5878f

SHA256
9c535c57bacf0df3572a93ed50ef4403c26d7c3c31dd8228f4113832baf20250

SHA512
b5f695dcd2ec49382c956a94fb44e51b8f902feeadfb5537e933e1a69b0a72b389e350f83e0ab169993ae455061a6ab061fa803a9d3514e6f875e2fc152df1ba

Download Submit
C:\Users\Admin\AppData\Local\Temp\X.ico

Filesize
71KB

MD5
fb44f7af2882d222b600539171f54c1d

SHA1
0c5a1a0b1620a55a0f194464227be25a2f0347e1

SHA256
f2a78e76259bc8fd4ab6af7b4e16dfb49a10643308aca3d14c09e61ac0ebd487

SHA512
21e906473f64303c4c8d55213ccb84f4a803c11fb5eef34ce3194adfb391ccbcc91e7c399556c7a4e4f3d33b9b19524d4499ec771ee8e1a10df26ea7cc2dcb67

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\240628796.txt

Filesize
50KB

MD5
ca02f63ad6221009a9b030655a2ce500

SHA1
f45fa4fe344ab6fa0c114160ec8a39b9969044ad

SHA256
c02d36dea28da003942613f211071365dc1fa00a2a5d34f975e85171295f5ff6

SHA512
db667a678bf5b4ea550b04a5537a17c13e6af666f03b0835af15fb7d81ec1a536b3eac16d3181195abb913bb803d96fe519cb630ed853e70fdbaa1976c53c43c

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

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/3920-16-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3920-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3920-13-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3920-15-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3920-28-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4420-23-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4420-77-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4420-86-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4420-88-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4528-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4528-10-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4528-4-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4528-6-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads