gh0strat | 1a07f1df21d2c2454be13ef82b21703308f8df86f437f95569f3e6709719c9d1

Analysis

max time kernel
150s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
03-12-2024 16:04

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General

Target

1a07f1df21d2c2454be13ef82b21703308f8df86f437f95569f3e6709719c9d1.exe
Size

1.4MB
MD5

daedf62331dff277995f5cbb2ee5c730
SHA1

b1b588d64e03c057cc03040069ef6bb48602905d
SHA256

1a07f1df21d2c2454be13ef82b21703308f8df86f437f95569f3e6709719c9d1
SHA512

d22e49c0ba94097536b513ddebee81cf1cf59b69ae5dd2985a39a6117c0af4b94381ad91f0036ba07057f049a4b2f749afd0fa8e808376c6a70f8ab0518876c9
SSDEEP

24576:uQZoidOTdVZinacCET9Ecl1erdg0MCiVWhFU7cVUE5lWyQN:uQZAdVyVT9n/Gg0P+WhoS5K

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/4276-10-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4276-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4276-6-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/184-16-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/184-15-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/184-17-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/184-25-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3936-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3936-30-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3936-36-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3936-38-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 12 IoCs

resource	yara_rule
behavioral2/memory/4276-10-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4276-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4276-6-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/184-16-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/184-15-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/184-17-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/184-25-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3936-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3936-30-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/files/0x0007000000023c66-32.dat	family_gh0strat
behavioral2/memory/3936-36-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3936-38-0x0000000010000000-0x00000000101B6000-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\\240622875.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
4276	svchost.exe
184	TXPlatforn.exe
4608	svchos.exe
3936	TXPlatforn.exe
400	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

Loads dropped DLL 3 IoCs

pid	Process
4608	svchos.exe
4352	svchost.exe
400	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
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
File created	C:\Windows\SysWOW64\240622875.txt	svchos.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	svchos.exe

UPX packed file 13 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4276-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4276-10-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4276-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4276-6-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/184-13-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/184-16-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/184-15-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/184-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/184-25-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3936-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3936-30-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3936-36-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3936-38-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in Program Files directory 5 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	1a07f1df21d2c2454be13ef82b21703308f8df86f437f95569f3e6709719c9d1.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe	1a07f1df21d2c2454be13ef82b21703308f8df86f437f95569f3e6709719c9d1.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	1a07f1df21d2c2454be13ef82b21703308f8df86f437f95569f3e6709719c9d1.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	1a07f1df21d2c2454be13ef82b21703308f8df86f437f95569f3e6709719c9d1.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	1a07f1df21d2c2454be13ef82b21703308f8df86f437f95569f3e6709719c9d1.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	TXPlatforn.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1a07f1df21d2c2454be13ef82b21703308f8df86f437f95569f3e6709719c9d1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.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
4976	cmd.exe
4696	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4696	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2228	1a07f1df21d2c2454be13ef82b21703308f8df86f437f95569f3e6709719c9d1.exe
2228	1a07f1df21d2c2454be13ef82b21703308f8df86f437f95569f3e6709719c9d1.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
3936	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	4276	svchost.exe
Token: SeLoadDriverPrivilege	3936	TXPlatforn.exe
Token: 33	3936	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	3936	TXPlatforn.exe
Token: 33	3936	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	3936	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2228	1a07f1df21d2c2454be13ef82b21703308f8df86f437f95569f3e6709719c9d1.exe
2228	1a07f1df21d2c2454be13ef82b21703308f8df86f437f95569f3e6709719c9d1.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2228 wrote to memory of 4276	2228	1a07f1df21d2c2454be13ef82b21703308f8df86f437f95569f3e6709719c9d1.exe	83
PID 2228 wrote to memory of 4276	2228	1a07f1df21d2c2454be13ef82b21703308f8df86f437f95569f3e6709719c9d1.exe	83
PID 2228 wrote to memory of 4276	2228	1a07f1df21d2c2454be13ef82b21703308f8df86f437f95569f3e6709719c9d1.exe	83
PID 4276 wrote to memory of 4976	4276	svchost.exe	85
PID 4276 wrote to memory of 4976	4276	svchost.exe	85
PID 4276 wrote to memory of 4976	4276	svchost.exe	85
PID 2228 wrote to memory of 4608	2228	1a07f1df21d2c2454be13ef82b21703308f8df86f437f95569f3e6709719c9d1.exe	86
PID 2228 wrote to memory of 4608	2228	1a07f1df21d2c2454be13ef82b21703308f8df86f437f95569f3e6709719c9d1.exe	86
PID 2228 wrote to memory of 4608	2228	1a07f1df21d2c2454be13ef82b21703308f8df86f437f95569f3e6709719c9d1.exe	86
PID 184 wrote to memory of 3936	184	TXPlatforn.exe	87
PID 184 wrote to memory of 3936	184	TXPlatforn.exe	87
PID 184 wrote to memory of 3936	184	TXPlatforn.exe	87
PID 4976 wrote to memory of 4696	4976	cmd.exe	89
PID 4976 wrote to memory of 4696	4976	cmd.exe	89
PID 4976 wrote to memory of 4696	4976	cmd.exe	89
PID 4352 wrote to memory of 400	4352	svchost.exe	92
PID 4352 wrote to memory of 400	4352	svchost.exe	92
PID 4352 wrote to memory of 400	4352	svchost.exe	92

C:\Users\Admin\AppData\Local\Temp\1a07f1df21d2c2454be13ef82b21703308f8df86f437f95569f3e6709719c9d1.exe
"C:\Users\Admin\AppData\Local\Temp\1a07f1df21d2c2454be13ef82b21703308f8df86f437f95569f3e6709719c9d1.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2228
- 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:4276
- - 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:4976
  - - 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:4696
- 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:4608

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:184
- 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:3936

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
PID:4072

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:4352
- C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
  C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\240622875.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:400

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

Replay Monitor

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Downloads

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

Filesize
1.4MB

MD5
e4d8f8f6605c01677fba5a36f17e314a

SHA1
918509c9a974af76e6bb7a80b3549fadcdfd0363

SHA256
a670c3149ee86687224d70609c6c722cbc9326a3b55bec264822ad45f7f1ee59

SHA512
f7a8800788f0d8ce488bbaa832dae3b29456aa72dec415140496b9428aa4035e00d5e24c9d0ed5c480dd3dbad112220c2783a90587e0b2c4d7df4719f4334a27

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\240622875.txt

Filesize
50KB

MD5
1f123eeb7b56f427d9fb15fb152acf2a

SHA1
20cdf00d457b165d6d4c176520edbb6a3fa73462

SHA256
6b4e9a7b0891999b69c24abf1c597fedeb90e9e840ff82e5d9cf44517cb66ad2

SHA512
86d765069c2e3f4f3e08c2aac6e324e0b8f8b1d40b092fea8b7aab093fa2e2425b5c28f74a3016d8036f12ee10167070ea4997d0a4c8fefeb493f91651b40ebf

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

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/184-25-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/184-13-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/184-16-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/184-15-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/184-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3936-30-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3936-28-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3936-36-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3936-38-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4276-6-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4276-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4276-10-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4276-5-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download