gh0strat | fc50db809f4c25e997fd6848f25b268329f0009405f3f19d45f123f0b4b0d2b0

General

Target

fc50db809f4c25e997fd6848f25b268329f0009405f3f19d45f123f0b4b0d2b0.exe
Size

1.6MB
MD5

caacc6286a1bf835aeff6d9f618186d9
SHA1

c4a5926ac6277916425daf4c01abc4697e49bfaf
SHA256

fc50db809f4c25e997fd6848f25b268329f0009405f3f19d45f123f0b4b0d2b0
SHA512

392a2c673d2b94078e643cd665fc6b43154f92ec8f411b16f930589ee7e167be4ad57e31cbc9fdd4d298b1187b5d1bc4a385faf95ebab0e55f2c0eba1fc485e0
SSDEEP

24576:fQZoidOTdVZinacCET9Ecl1erdg0MCiVWhFU7cVhNMNdV1Dfun2HJU4:fQZAdVyVT9n/Gg0P+WhovJDmn2HV

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 11 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral2/memory/4600-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4600-10-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4600-6-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1980-15-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1980-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1664-30-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1664-44-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1664-48-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1664-49-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1980-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1980-16-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 12 IoCs

resource	yara_rule
behavioral2/memory/4600-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4600-10-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4600-6-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1980-15-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1980-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1664-30-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/files/0x0007000000023411-36.dat	family_gh0strat
behavioral2/memory/1664-44-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1664-48-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1664-49-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1980-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1980-16-0x0000000010000000-0x00000000101B6000-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

Sets DLL path for service in the 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\Ö÷¶¯·ÀÓù·þÎñÄ£¿é\Parameters\ServiceDll = "C:\\Windows\\system32\\240618296.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
4600	svchost.exe
1980	TXPlatforn.exe
2976	svchos.exe
1664	TXPlatforn.exe
1420	HD_fc50db809f4c25e997fd6848f25b268329f0009405f3f19d45f123f0b4b0d2b0.exe
3668	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

Loads dropped DLL 3 IoCs

pid	Process
2976	svchos.exe
3624	svchost.exe
3668	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/4600-4-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4600-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4600-10-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4600-6-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1980-13-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1980-15-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1980-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1664-30-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1664-44-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1664-48-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1664-49-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1980-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1980-16-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

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\240618296.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

Drops file in Program Files directory 5 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	fc50db809f4c25e997fd6848f25b268329f0009405f3f19d45f123f0b4b0d2b0.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe	fc50db809f4c25e997fd6848f25b268329f0009405f3f19d45f123f0b4b0d2b0.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	fc50db809f4c25e997fd6848f25b268329f0009405f3f19d45f123f0b4b0d2b0.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	fc50db809f4c25e997fd6848f25b268329f0009405f3f19d45f123f0b4b0d2b0.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	fc50db809f4c25e997fd6848f25b268329f0009405f3f19d45f123f0b4b0d2b0.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
2180	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5036	fc50db809f4c25e997fd6848f25b268329f0009405f3f19d45f123f0b4b0d2b0.exe
5036	fc50db809f4c25e997fd6848f25b268329f0009405f3f19d45f123f0b4b0d2b0.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
1664	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	4600	svchost.exe
Token: SeLoadDriverPrivilege	1664	TXPlatforn.exe
Token: 33	1664	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	1664	TXPlatforn.exe
Token: 33	1664	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	1664	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
5036	fc50db809f4c25e997fd6848f25b268329f0009405f3f19d45f123f0b4b0d2b0.exe
5036	fc50db809f4c25e997fd6848f25b268329f0009405f3f19d45f123f0b4b0d2b0.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 5036 wrote to memory of 4600	5036	fc50db809f4c25e997fd6848f25b268329f0009405f3f19d45f123f0b4b0d2b0.exe	83
PID 5036 wrote to memory of 4600	5036	fc50db809f4c25e997fd6848f25b268329f0009405f3f19d45f123f0b4b0d2b0.exe	83
PID 5036 wrote to memory of 4600	5036	fc50db809f4c25e997fd6848f25b268329f0009405f3f19d45f123f0b4b0d2b0.exe	83
PID 4600 wrote to memory of 1016	4600	svchost.exe	85
PID 4600 wrote to memory of 1016	4600	svchost.exe	85
PID 4600 wrote to memory of 1016	4600	svchost.exe	85
PID 5036 wrote to memory of 2976	5036	fc50db809f4c25e997fd6848f25b268329f0009405f3f19d45f123f0b4b0d2b0.exe	86
PID 5036 wrote to memory of 2976	5036	fc50db809f4c25e997fd6848f25b268329f0009405f3f19d45f123f0b4b0d2b0.exe	86
PID 5036 wrote to memory of 2976	5036	fc50db809f4c25e997fd6848f25b268329f0009405f3f19d45f123f0b4b0d2b0.exe	86
PID 1980 wrote to memory of 1664	1980	TXPlatforn.exe	87
PID 1980 wrote to memory of 1664	1980	TXPlatforn.exe	87
PID 1980 wrote to memory of 1664	1980	TXPlatforn.exe	87
PID 5036 wrote to memory of 1420	5036	fc50db809f4c25e997fd6848f25b268329f0009405f3f19d45f123f0b4b0d2b0.exe	90
PID 5036 wrote to memory of 1420	5036	fc50db809f4c25e997fd6848f25b268329f0009405f3f19d45f123f0b4b0d2b0.exe	90
PID 5036 wrote to memory of 1420	5036	fc50db809f4c25e997fd6848f25b268329f0009405f3f19d45f123f0b4b0d2b0.exe	90
PID 1016 wrote to memory of 2180	1016	cmd.exe	92
PID 1016 wrote to memory of 2180	1016	cmd.exe	92
PID 1016 wrote to memory of 2180	1016	cmd.exe	92
PID 3624 wrote to memory of 3668	3624	svchost.exe	104
PID 3624 wrote to memory of 3668	3624	svchost.exe	104
PID 3624 wrote to memory of 3668	3624	svchost.exe	104

C:\Users\Admin\AppData\Local\Temp\fc50db809f4c25e997fd6848f25b268329f0009405f3f19d45f123f0b4b0d2b0.exe
"C:\Users\Admin\AppData\Local\Temp\fc50db809f4c25e997fd6848f25b268329f0009405f3f19d45f123f0b4b0d2b0.exe"
1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5036
- 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:4600
- - 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:1016
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:2180
- C:\Users\Admin\AppData\Local\Temp\svchos.exe
  C:\Users\Admin\AppData\Local\Temp\\svchos.exe
  2⤵
  - Sets DLL path for service in the registry
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  PID:2976
- C:\Users\Admin\AppData\Local\Temp\HD_fc50db809f4c25e997fd6848f25b268329f0009405f3f19d45f123f0b4b0d2b0.exe
  C:\Users\Admin\AppData\Local\Temp\HD_fc50db809f4c25e997fd6848f25b268329f0009405f3f19d45f123f0b4b0d2b0.exe
  2⤵
  - Executes dropped EXE
  PID:1420

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1980
- 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:1664

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
PID:4184

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:3624
- C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
  C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\240618296.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:3668

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

2

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

2

T1547.001

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Remote System Discovery

1

T1018

System Information Discovery

1

T1082

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
17f0999dab72bfb235ac965f960903f3

SHA1
aa2fb8dae6ed31a38740f635e8b8723b2ca3df06

SHA256
7ecac8004090d499e90b3cbec4b15089379b132429b580078b94c9dfbf56a1d0

SHA512
41f3af592152cf41f45518b870dd7e840b13b609c89e4a90eff9dba205ca33e323849bf4d8863994a308bcff1d94772795a93b6a42862d87cb7231d6fc342f9a

Download Submit
C:\Users\Admin\AppData\Local\Temp\HD_fc50db809f4c25e997fd6848f25b268329f0009405f3f19d45f123f0b4b0d2b0.exe

Filesize
60KB

MD5
2a6238818a21d3738aab68c4ec9607bf

SHA1
28ec762395f002dee8cb7e80e63c09124ec26cae

SHA256
a71e1a1ee7e274eb59668ecdd8bed337be04d683dfe226fcdad7a4f0e5a52bbe

SHA512
eeb594e1dd8cda4009e844d39d81b8f038eb02b0cea6e7f978a12c8c0181eb36287454f8a4bf51e1c685cce8567a8194a18396df9c692612c16300e1b3ed8893

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\240618296.txt

Filesize
50KB

MD5
fd70bdc4a8f965f6a12b87ba9c5dc0cc

SHA1
e5fb8029027601aec2e5cba4163c2f299a509583

SHA256
6bd05d0af02184f0f465891a23dbd166616a3719fe515dc5c717f97faf6399b6

SHA512
17b8fe24bab46c868d74d74525a2c55181d154d32f97b7291608620fa5df45ec342d2c93ebceff7642c44a4eaec54979b5205914ab34c6f8c71620cc81dfe89b

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

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/1664-48-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1664-30-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1664-44-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1664-49-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1980-29-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1980-15-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1980-13-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1980-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1980-16-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4600-6-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4600-10-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4600-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4600-4-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads