gh0strat | 8dac8d912462be5fd1b61941554c19cf38ef8f9b8d1e782328373793320348f8

Analysis

max time kernel
150s
max time network
127s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19-01-2025 19:45

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General

Target

8dac8d912462be5fd1b61941554c19cf38ef8f9b8d1e782328373793320348f8.exe
Size

1.3MB
MD5

e34321ae39c15dc4a2315b7b1f390773
SHA1

f544ee497e9fa8365ea141b7833ea1b614653c2d
SHA256

8dac8d912462be5fd1b61941554c19cf38ef8f9b8d1e782328373793320348f8
SHA512

70a73f7368647e200cdea6948fa34329f181211fb44026dd2c0560dd4e457b4ec10db5af43fc123c60e868e4c615c0ca822d05232f17d26b90e60255d2fede77
SSDEEP

24576:8QZoidOTdVZinacCET9Ecl1erdg0MCiVWhFU7cV/wpeQB7:8QZAdVyVT9n/Gg0P+WhoFpeu7

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 9 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/2728-8-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2728-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2628-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2628-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2640-33-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2728-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2640-34-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2640-37-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2640-42-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 11 IoCs

resource	yara_rule
behavioral1/memory/2728-9-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2728-8-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2728-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2628-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2628-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2640-33-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2728-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2640-34-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2640-37-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/files/0x0007000000015d8f-40.dat	family_gh0strat
behavioral1/memory/2640-42-0x0000000010000000-0x00000000101B6000-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\\259413017.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
2728	svchost.exe
2628	TXPlatforn.exe
2640	TXPlatforn.exe
1908	svchos.exe
1792	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

Loads dropped DLL 7 IoCs

pid	Process
2632	8dac8d912462be5fd1b61941554c19cf38ef8f9b8d1e782328373793320348f8.exe
2628	TXPlatforn.exe
2632	8dac8d912462be5fd1b61941554c19cf38ef8f9b8d1e782328373793320348f8.exe
1908	svchos.exe
332	svchost.exe
332	svchost.exe
1792	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\259413017.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

UPX packed file 11 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2728-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2728-9-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2728-8-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2728-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2628-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2628-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2640-33-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2728-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2640-34-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2640-37-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2640-42-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	8dac8d912462be5fd1b61941554c19cf38ef8f9b8d1e782328373793320348f8.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	8dac8d912462be5fd1b61941554c19cf38ef8f9b8d1e782328373793320348f8.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	8dac8d912462be5fd1b61941554c19cf38ef8f9b8d1e782328373793320348f8.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	8dac8d912462be5fd1b61941554c19cf38ef8f9b8d1e782328373793320348f8.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	8dac8d912462be5fd1b61941554c19cf38ef8f9b8d1e782328373793320348f8.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TXPlatforn.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchos.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	svchost.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
2388	cmd.exe
2208	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2208	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2640	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2728	svchost.exe
Token: SeLoadDriverPrivilege	2640	TXPlatforn.exe
Token: 33	2640	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2640	TXPlatforn.exe
Token: 33	2640	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2640	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2632	8dac8d912462be5fd1b61941554c19cf38ef8f9b8d1e782328373793320348f8.exe
2632	8dac8d912462be5fd1b61941554c19cf38ef8f9b8d1e782328373793320348f8.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2632 wrote to memory of 2728	2632	8dac8d912462be5fd1b61941554c19cf38ef8f9b8d1e782328373793320348f8.exe	30
PID 2632 wrote to memory of 2728	2632	8dac8d912462be5fd1b61941554c19cf38ef8f9b8d1e782328373793320348f8.exe	30
PID 2632 wrote to memory of 2728	2632	8dac8d912462be5fd1b61941554c19cf38ef8f9b8d1e782328373793320348f8.exe	30
PID 2632 wrote to memory of 2728	2632	8dac8d912462be5fd1b61941554c19cf38ef8f9b8d1e782328373793320348f8.exe	30
PID 2632 wrote to memory of 2728	2632	8dac8d912462be5fd1b61941554c19cf38ef8f9b8d1e782328373793320348f8.exe	30
PID 2632 wrote to memory of 2728	2632	8dac8d912462be5fd1b61941554c19cf38ef8f9b8d1e782328373793320348f8.exe	30
PID 2632 wrote to memory of 2728	2632	8dac8d912462be5fd1b61941554c19cf38ef8f9b8d1e782328373793320348f8.exe	30
PID 2628 wrote to memory of 2640	2628	TXPlatforn.exe	32
PID 2628 wrote to memory of 2640	2628	TXPlatforn.exe	32
PID 2628 wrote to memory of 2640	2628	TXPlatforn.exe	32
PID 2628 wrote to memory of 2640	2628	TXPlatforn.exe	32
PID 2628 wrote to memory of 2640	2628	TXPlatforn.exe	32
PID 2628 wrote to memory of 2640	2628	TXPlatforn.exe	32
PID 2628 wrote to memory of 2640	2628	TXPlatforn.exe	32
PID 2728 wrote to memory of 2388	2728	svchost.exe	33
PID 2728 wrote to memory of 2388	2728	svchost.exe	33
PID 2728 wrote to memory of 2388	2728	svchost.exe	33
PID 2728 wrote to memory of 2388	2728	svchost.exe	33
PID 2632 wrote to memory of 1908	2632	8dac8d912462be5fd1b61941554c19cf38ef8f9b8d1e782328373793320348f8.exe	34
PID 2632 wrote to memory of 1908	2632	8dac8d912462be5fd1b61941554c19cf38ef8f9b8d1e782328373793320348f8.exe	34
PID 2632 wrote to memory of 1908	2632	8dac8d912462be5fd1b61941554c19cf38ef8f9b8d1e782328373793320348f8.exe	34
PID 2632 wrote to memory of 1908	2632	8dac8d912462be5fd1b61941554c19cf38ef8f9b8d1e782328373793320348f8.exe	34
PID 2388 wrote to memory of 2208	2388	cmd.exe	36
PID 2388 wrote to memory of 2208	2388	cmd.exe	36
PID 2388 wrote to memory of 2208	2388	cmd.exe	36
PID 2388 wrote to memory of 2208	2388	cmd.exe	36
PID 332 wrote to memory of 1792	332	svchost.exe	39
PID 332 wrote to memory of 1792	332	svchost.exe	39
PID 332 wrote to memory of 1792	332	svchost.exe	39
PID 332 wrote to memory of 1792	332	svchost.exe	39

C:\Users\Admin\AppData\Local\Temp\8dac8d912462be5fd1b61941554c19cf38ef8f9b8d1e782328373793320348f8.exe
"C:\Users\Admin\AppData\Local\Temp\8dac8d912462be5fd1b61941554c19cf38ef8f9b8d1e782328373793320348f8.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2632
- 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:2728
- - 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:2388
  - - 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:2208
- 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:1908

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2628
- 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:2640

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
PID:536

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:332
- C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
  C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\259413017.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:1792

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
1.3MB

MD5
e34321ae39c15dc4a2315b7b1f390773

SHA1
f544ee497e9fa8365ea141b7833ea1b614653c2d

SHA256
8dac8d912462be5fd1b61941554c19cf38ef8f9b8d1e782328373793320348f8

SHA512
70a73f7368647e200cdea6948fa34329f181211fb44026dd2c0560dd4e457b4ec10db5af43fc123c60e868e4c615c0ca822d05232f17d26b90e60255d2fede77

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

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
\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\259413017.txt

Filesize
50KB

MD5
d5dd1220e5c6465581edc34c7d396445

SHA1
939a468909c1c3f43fa5af0206a95fd9c1737ecd

SHA256
77e10d1d81a190caba8e1128af3262ec9551fb3274f1f718508321b25f62bedf

SHA512
18e4532418863ea7a6425f8120e71587f8929678633e4500397514609bc1feb264dbebfda57b201a90a2a7d9c430a564eaf6901758af8ca1c707becbf9bb632a

Download Submit
memory/2628-23-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2628-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2640-33-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2640-34-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2640-37-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2640-42-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2728-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2728-29-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2728-8-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2728-9-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2728-5-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads