gh0strat | 27e621422d7a5bd1eae3c6de5f331b9c17ded935b56d4ccf6224457f34714544

General

Target

27e621422d7a5bd1eae3c6de5f331b9c17ded935b56d4ccf6224457f34714544.exe
Size

4.8MB
MD5

7c672c41261ad5cf3f534db962c05d5f
SHA1

9c0899ac6388aa4b6924846700bba7ba8e8fc002
SHA256

27e621422d7a5bd1eae3c6de5f331b9c17ded935b56d4ccf6224457f34714544
SHA512

7bac404612c6ba8ab85e5c46e49f12c7bd38649de16fbe18c1e6234e4071e30cc111c115ec2934c9df95810f9bc74b887ee32dadb4ae5bd142707710b922f7fb
SSDEEP

49152:sQZAdVyVT9n/Gg0P+WhoogTbXsPNIULkmp1/j6AeXZG7wmpvGF1IP9z5WuHC4O8w:NGdVyVT9nOgmh6TbXsPN5kiQaZ56

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 10 IoCs

Detect PurpleFox Rootkit.

rootkit

Processes:

resource	yara_rule
behavioral2/memory/1336-6-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1336-10-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1336-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1884-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1884-16-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1884-31-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2340-37-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2340-43-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2340-46-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1884-15-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 11 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1336-6-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1336-10-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1336-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1884-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1884-16-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
C:\Windows\SysWOW64\240603109.txt	family_gh0strat
behavioral2/memory/1884-31-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2340-37-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2340-43-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2340-46-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1884-15-0x0000000010000000-0x00000000101B6000-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

Processes:

TXPlatforn.exe

description ioc process

File created C:\Windows\system32\drivers\QAssist.sys TXPlatforn.exe

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

Processes:

svchos.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Ö÷¶¯·ÀÓù·þÎñÄ£¿é\Parameters\ServiceDll = "C:\\Windows\\system32\\240603109.txt"	svchos.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

TXPlatforn.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\QAssist\ImagePath = "system32\\DRIVERS\\QAssist.sys"	TXPlatforn.exe

Executes dropped EXE 6 IoCs

Processes:

svchost.exeTXPlatforn.exesvchos.exeTXPlatforn.exeHD_27e621422d7a5bd1eae3c6de5f331b9c17ded935b56d4ccf6224457f34714544.exeÖ÷¶¯·ÀÓù·þÎñÄ£¿é.exe

pid	process
1336	svchost.exe
1884	TXPlatforn.exe
3548	svchos.exe
2340	TXPlatforn.exe
3304	HD_27e621422d7a5bd1eae3c6de5f331b9c17ded935b56d4ccf6224457f34714544.exe
3772	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

Loads dropped DLL 3 IoCs

Processes:

svchos.exesvchost.exeÖ÷¶¯·ÀÓù·þÎñÄ£¿é.exe

pid process

3548 svchos.exe
2100 svchost.exe
3772 Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

pid	process
3548	svchos.exe
2100	svchost.exe
3772	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

UPX packed file 12 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/1336-6-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1336-10-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1336-4-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1336-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1884-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1884-16-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1884-31-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2340-37-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2340-43-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2340-46-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1884-15-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1884-13-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

Processes:

svchost.exesvchos.exesvchost.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\TXPlatforn.exe	svchost.exe
File created	C:\Windows\SysWOW64\240603109.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

Processes:

27e621422d7a5bd1eae3c6de5f331b9c17ded935b56d4ccf6224457f34714544.exe

description	ioc	process
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	27e621422d7a5bd1eae3c6de5f331b9c17ded935b56d4ccf6224457f34714544.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	27e621422d7a5bd1eae3c6de5f331b9c17ded935b56d4ccf6224457f34714544.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	27e621422d7a5bd1eae3c6de5f331b9c17ded935b56d4ccf6224457f34714544.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	27e621422d7a5bd1eae3c6de5f331b9c17ded935b56d4ccf6224457f34714544.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe	27e621422d7a5bd1eae3c6de5f331b9c17ded935b56d4ccf6224457f34714544.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

Processes:

PING.EXE

pid process

1816 PING.EXE

pid	process
1816	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

27e621422d7a5bd1eae3c6de5f331b9c17ded935b56d4ccf6224457f34714544.exe

pid	process
2432	27e621422d7a5bd1eae3c6de5f331b9c17ded935b56d4ccf6224457f34714544.exe
2432	27e621422d7a5bd1eae3c6de5f331b9c17ded935b56d4ccf6224457f34714544.exe

Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatforn.exe

pid process

2340 TXPlatforn.exe

pid	process
2340	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

svchost.exeTXPlatforn.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1336	svchost.exe
Token: SeLoadDriverPrivilege	2340	TXPlatforn.exe
Token: 33	2340	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2340	TXPlatforn.exe
Token: 33	2340	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2340	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

27e621422d7a5bd1eae3c6de5f331b9c17ded935b56d4ccf6224457f34714544.exe

pid	process
2432	27e621422d7a5bd1eae3c6de5f331b9c17ded935b56d4ccf6224457f34714544.exe
2432	27e621422d7a5bd1eae3c6de5f331b9c17ded935b56d4ccf6224457f34714544.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

27e621422d7a5bd1eae3c6de5f331b9c17ded935b56d4ccf6224457f34714544.exesvchost.exeTXPlatforn.execmd.exesvchost.exe

description	pid	process	target process
PID 2432 wrote to memory of 1336	2432	27e621422d7a5bd1eae3c6de5f331b9c17ded935b56d4ccf6224457f34714544.exe	svchost.exe
PID 2432 wrote to memory of 1336	2432	27e621422d7a5bd1eae3c6de5f331b9c17ded935b56d4ccf6224457f34714544.exe	svchost.exe
PID 2432 wrote to memory of 1336	2432	27e621422d7a5bd1eae3c6de5f331b9c17ded935b56d4ccf6224457f34714544.exe	svchost.exe
PID 1336 wrote to memory of 752	1336	svchost.exe	cmd.exe
PID 1336 wrote to memory of 752	1336	svchost.exe	cmd.exe
PID 1336 wrote to memory of 752	1336	svchost.exe	cmd.exe
PID 2432 wrote to memory of 3548	2432	27e621422d7a5bd1eae3c6de5f331b9c17ded935b56d4ccf6224457f34714544.exe	svchos.exe
PID 2432 wrote to memory of 3548	2432	27e621422d7a5bd1eae3c6de5f331b9c17ded935b56d4ccf6224457f34714544.exe	svchos.exe
PID 2432 wrote to memory of 3548	2432	27e621422d7a5bd1eae3c6de5f331b9c17ded935b56d4ccf6224457f34714544.exe	svchos.exe
PID 1884 wrote to memory of 2340	1884	TXPlatforn.exe	TXPlatforn.exe
PID 1884 wrote to memory of 2340	1884	TXPlatforn.exe	TXPlatforn.exe
PID 1884 wrote to memory of 2340	1884	TXPlatforn.exe	TXPlatforn.exe
PID 2432 wrote to memory of 3304	2432	27e621422d7a5bd1eae3c6de5f331b9c17ded935b56d4ccf6224457f34714544.exe	HD_27e621422d7a5bd1eae3c6de5f331b9c17ded935b56d4ccf6224457f34714544.exe
PID 2432 wrote to memory of 3304	2432	27e621422d7a5bd1eae3c6de5f331b9c17ded935b56d4ccf6224457f34714544.exe	HD_27e621422d7a5bd1eae3c6de5f331b9c17ded935b56d4ccf6224457f34714544.exe
PID 2432 wrote to memory of 3304	2432	27e621422d7a5bd1eae3c6de5f331b9c17ded935b56d4ccf6224457f34714544.exe	HD_27e621422d7a5bd1eae3c6de5f331b9c17ded935b56d4ccf6224457f34714544.exe
PID 752 wrote to memory of 1816	752	cmd.exe	PING.EXE
PID 752 wrote to memory of 1816	752	cmd.exe	PING.EXE
PID 752 wrote to memory of 1816	752	cmd.exe	PING.EXE
PID 2100 wrote to memory of 3772	2100	svchost.exe	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
PID 2100 wrote to memory of 3772	2100	svchost.exe	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
PID 2100 wrote to memory of 3772	2100	svchost.exe	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

C:\Users\Admin\AppData\Local\Temp\27e621422d7a5bd1eae3c6de5f331b9c17ded935b56d4ccf6224457f34714544.exe
"C:\Users\Admin\AppData\Local\Temp\27e621422d7a5bd1eae3c6de5f331b9c17ded935b56d4ccf6224457f34714544.exe"
1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2432
- 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:1336
- - 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:752
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:1816
- 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:3548
- C:\Users\Admin\AppData\Local\Temp\HD_27e621422d7a5bd1eae3c6de5f331b9c17ded935b56d4ccf6224457f34714544.exe
  C:\Users\Admin\AppData\Local\Temp\HD_27e621422d7a5bd1eae3c6de5f331b9c17ded935b56d4ccf6224457f34714544.exe
  2⤵
  - Executes dropped EXE
  PID:3304

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1884
- 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:2340

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:2100
- C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
  C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\240603109.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:3772

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\HD_27e621422d7a5bd1eae3c6de5f331b9c17ded935b56d4ccf6224457f34714544.exe

Filesize
3.1MB

MD5
fb083acd60fe5c3156dc25442be815e3

SHA1
61df59b8f3ebd8b3d29ca3aedc4995e23cacf6d8

SHA256
f130b3789962d5c8b59aa250d6f26ad5945928f3905b32bf65aa7bd30348a794

SHA512
7147337d2c1006bb15cfa967c9eea6826b63c8d343f866e7454d7368d25019f39e52cf179500810834244c3ca9644d6c0df0b2c3128a9051e9ee6b428fa926f6

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

Filesize
1.8MB

MD5
160ac924f24cce97b633b0414ba77aab

SHA1
6b9d7899d732aa04a56538d2e469e37bf72639a3

SHA256
67d9ca458535e85d6430943a6963ca588939daf6f6bb9abb09cdfca4d325d69b

SHA512
b4d40ad983b0144c795ffb22dd50376fee927d8ead14545dd3a9d97b1a1bd762fdd7fced4a62d2c3832254553015b07c3b8eeb04171c50db1d1358798b8317cc

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\240603109.txt

Filesize
50KB

MD5
cdabecc5423561aa1bb2fed4f09af95f

SHA1
3eff68684e2be19d06ec9a5c12f38d09967875e5

SHA256
7c85a5815fc18e0bd49880c9f7c88ff7d4a1e71417895d079115569952cce4e4

SHA512
2933ead37c3e9ca2d5a33e7beea5e992d145cb5999ca36940904a3479408965bdc21e17abeb96b865357d7a5030789bfd0f84f83648a441ce478fa0327446265

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

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/1336-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1336-4-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1336-10-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1336-6-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1884-16-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1884-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1884-31-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1884-15-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1884-13-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2340-37-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2340-43-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2340-46-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads