gh0strat | fb8b6ddcba059053f32528f21b41704232fa0b78a14cf4ad3e8ce9482514abad

General

Target

fb8b6ddcba059053f32528f21b41704232fa0b78a14cf4ad3e8ce9482514abad.exe
Size

6.7MB
MD5

778c0eda06b531eb5a5f862114a7d111
SHA1

4a0a7b1a225bbf15449647a6666dccb756f4b417
SHA256

fb8b6ddcba059053f32528f21b41704232fa0b78a14cf4ad3e8ce9482514abad
SHA512

168ec70476b01c80979685b66576a2803e82667b75210612c6efed2b9475de2b9f65150588ee88afa44152a60bcf1bd1cb274fd8c6f07f02065070efd0b44499
SSDEEP

98304:lGdVyVT9nOgmhUXXEgUvUTHc8eVuuquRNREHp/0rSKsAv:SWT9nO76X5JEN6J+t

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 13 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral2/memory/4312-6-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4312-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4312-10-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4788-15-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4788-17-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4788-16-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3092-36-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3092-35-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4788-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3092-40-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3092-39-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3092-43-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3092-47-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 14 IoCs

resource	yara_rule
behavioral2/memory/4312-6-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4312-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4312-10-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4788-15-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4788-17-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4788-16-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/files/0x0007000000023405-25.dat	family_gh0strat
behavioral2/memory/3092-36-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3092-35-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4788-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3092-40-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3092-39-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3092-43-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3092-47-0x0000000010000000-0x00000000101B6000-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\\240599890.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 6 IoCs

pid	Process
4312	svchost.exe
4788	TXPlatforn.exe
3092	TXPlatforn.exe
3636	svchos.exe
60	HD_fb8b6ddcba059053f32528f21b41704232fa0b78a14cf4ad3e8ce9482514abad.exe
1624	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

Loads dropped DLL 3 IoCs

pid	Process
3636	svchos.exe
2892	svchost.exe
1624	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

UPX packed file 15 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4312-6-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4312-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4312-4-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4312-10-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4788-15-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4788-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4788-16-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3092-36-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3092-35-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4788-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4788-13-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3092-40-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3092-39-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3092-43-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3092-47-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

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\240599890.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 5 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	fb8b6ddcba059053f32528f21b41704232fa0b78a14cf4ad3e8ce9482514abad.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe	fb8b6ddcba059053f32528f21b41704232fa0b78a14cf4ad3e8ce9482514abad.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	fb8b6ddcba059053f32528f21b41704232fa0b78a14cf4ad3e8ce9482514abad.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	fb8b6ddcba059053f32528f21b41704232fa0b78a14cf4ad3e8ce9482514abad.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	fb8b6ddcba059053f32528f21b41704232fa0b78a14cf4ad3e8ce9482514abad.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

pid	Process
3316	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2092	fb8b6ddcba059053f32528f21b41704232fa0b78a14cf4ad3e8ce9482514abad.exe
2092	fb8b6ddcba059053f32528f21b41704232fa0b78a14cf4ad3e8ce9482514abad.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
3092	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	4312	svchost.exe
Token: SeLoadDriverPrivilege	3092	TXPlatforn.exe
Token: 33	3092	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	3092	TXPlatforn.exe
Token: 33	3092	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	3092	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2092	fb8b6ddcba059053f32528f21b41704232fa0b78a14cf4ad3e8ce9482514abad.exe
2092	fb8b6ddcba059053f32528f21b41704232fa0b78a14cf4ad3e8ce9482514abad.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2092 wrote to memory of 4312	2092	fb8b6ddcba059053f32528f21b41704232fa0b78a14cf4ad3e8ce9482514abad.exe	81
PID 2092 wrote to memory of 4312	2092	fb8b6ddcba059053f32528f21b41704232fa0b78a14cf4ad3e8ce9482514abad.exe	81
PID 2092 wrote to memory of 4312	2092	fb8b6ddcba059053f32528f21b41704232fa0b78a14cf4ad3e8ce9482514abad.exe	81
PID 4788 wrote to memory of 3092	4788	TXPlatforn.exe	84
PID 4788 wrote to memory of 3092	4788	TXPlatforn.exe	84
PID 4788 wrote to memory of 3092	4788	TXPlatforn.exe	84
PID 4312 wrote to memory of 4596	4312	svchost.exe	83
PID 4312 wrote to memory of 4596	4312	svchost.exe	83
PID 4312 wrote to memory of 4596	4312	svchost.exe	83
PID 2092 wrote to memory of 3636	2092	fb8b6ddcba059053f32528f21b41704232fa0b78a14cf4ad3e8ce9482514abad.exe	85
PID 2092 wrote to memory of 3636	2092	fb8b6ddcba059053f32528f21b41704232fa0b78a14cf4ad3e8ce9482514abad.exe	85
PID 2092 wrote to memory of 3636	2092	fb8b6ddcba059053f32528f21b41704232fa0b78a14cf4ad3e8ce9482514abad.exe	85
PID 4596 wrote to memory of 3316	4596	cmd.exe	89
PID 4596 wrote to memory of 3316	4596	cmd.exe	89
PID 4596 wrote to memory of 3316	4596	cmd.exe	89
PID 2092 wrote to memory of 60	2092	fb8b6ddcba059053f32528f21b41704232fa0b78a14cf4ad3e8ce9482514abad.exe	90
PID 2092 wrote to memory of 60	2092	fb8b6ddcba059053f32528f21b41704232fa0b78a14cf4ad3e8ce9482514abad.exe	90
PID 2092 wrote to memory of 60	2092	fb8b6ddcba059053f32528f21b41704232fa0b78a14cf4ad3e8ce9482514abad.exe	90
PID 2892 wrote to memory of 1624	2892	svchost.exe	92
PID 2892 wrote to memory of 1624	2892	svchost.exe	92
PID 2892 wrote to memory of 1624	2892	svchost.exe	92

C:\Users\Admin\AppData\Local\Temp\fb8b6ddcba059053f32528f21b41704232fa0b78a14cf4ad3e8ce9482514abad.exe
"C:\Users\Admin\AppData\Local\Temp\fb8b6ddcba059053f32528f21b41704232fa0b78a14cf4ad3e8ce9482514abad.exe"
1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2092
- 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:4312
- - 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:4596
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:3316
- 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:3636
- C:\Users\Admin\AppData\Local\Temp\HD_fb8b6ddcba059053f32528f21b41704232fa0b78a14cf4ad3e8ce9482514abad.exe
  C:\Users\Admin\AppData\Local\Temp\HD_fb8b6ddcba059053f32528f21b41704232fa0b78a14cf4ad3e8ce9482514abad.exe
  2⤵
  - Executes dropped EXE
  PID:60

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4788
- 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:3092

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
PID:2716

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:2892
- C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
  C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\240599890.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:1624

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

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
1.3MB

MD5
ea1f2cb9297b1f5f4d0d3020a68e14bf

SHA1
1df811aa2124f84e71d76d80d3a91c38f8bbafce

SHA256
cde5f4518c91d4edfc9135f7a59ebe931b548f70a78ff75c5e46cc519c1ea6c6

SHA512
0b6d01a8dd0da6f31cb34695cf4b01635fa869da0b67aea61dde1f3c988d9ddddbd5d7ea080b671f3401c770fb18bc89825d9945a0d08d3a4a8eec6ca6331c48

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

Filesize
1.6MB

MD5
43d11671e5272e7290bb247fe063c03c

SHA1
3b736bec0860e050b8c764ebcd8338a5335385fc

SHA256
f0d63c2f30d5f539aef84b078f2a2cf571e62f04d1e87a80477d67b3c457ea1b

SHA512
ee98648ecd1b2ef3344f1c432829da56900d7db53b4d717bcfef6cc2e5c293a39983403e7c3e27a087092ddc90e8b01f410a07a5e5ab74b8d405d41676a86027

Download Submit
C:\Users\Admin\AppData\Local\Temp\HD_fb8b6ddcba059053f32528f21b41704232fa0b78a14cf4ad3e8ce9482514abad.exe

Filesize
5.4MB

MD5
6db3825895d83a9a1542ad2a003075b4

SHA1
157c9dd069e7e3abe7574b96f30b4ba680729187

SHA256
3081de5293c7ecbc018a6a4c79b5d319043c3c1e85dcfcf001fee6a740a91f39

SHA512
04a0390d4d07f54ac1830dea74406c7b903cca9621b56612fd0cec139c839ee1d09be192a99f3f0afbecf46894bf49005bafe9705d0bc5ed21cd882439f37c7f

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\240599890.txt

Filesize
50KB

MD5
51ccac3b425e0d3e6c1c31320169b712

SHA1
37854889ef025d185bc1ed01e63f9372c210de95

SHA256
08863d917b1ac09ef81b43c245c811a58a03dd46cb0737e6485e0ef4834d44ab

SHA512
292017b57827b59e128438c2570302c90f62afc218aab3aa403092460630e82934bfdd6ec1f4859c7b280c7ee0ebc4c9687e120f745e293d171dd3d54b384ad7

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

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/60-94-0x0000000000400000-0x0000000000969000-memory.dmp

Filesize
5.4MB

Download
memory/3092-39-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3092-47-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3092-36-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3092-35-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3092-40-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3092-43-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4312-6-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4312-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4312-4-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4312-10-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4788-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4788-15-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4788-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4788-13-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4788-16-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads