gh0strat | 35f3ad83820c64944f34e1104aead337bbb8b0fd4920fa595ac787f0dca694f1

General

Target

35f3ad83820c64944f34e1104aead337bbb8b0fd4920fa595ac787f0dca694f1.exe
Size

1.7MB
MD5

ce681e55d92faa0e5fa0f797eaab2a1f
SHA1

e7e7d41717c4b7239b31f01f9a8992687e6a17d8
SHA256

35f3ad83820c64944f34e1104aead337bbb8b0fd4920fa595ac787f0dca694f1
SHA512

8b552ecd8ddabd1650f662d5143abf495b48b244670352c5b7f9d59922b8c2e474dc0ac415dd6a1f10d32ce9ec9db36c28c9b8d6f051e3d54b1d82291f8e0d89
SSDEEP

24576:RQZoidOTdVZinacCET9Ecl1erdg0MCiVWhFU7cVfM4Y+WN5mmT7KM:RQZAdVyVT9n/Gg0P+WhoVvfKM

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 9 IoCs

Detect PurpleFox Rootkit.

rootkit

Processes:

resource	yara_rule
behavioral1/memory/2380-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2380-12-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2380-8-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2548-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2724-30-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2724-32-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2548-33-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2724-40-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2724-41-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 10 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2380-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2380-12-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2380-8-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2548-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2724-30-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2724-32-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
\Windows\SysWOW64\259401925.txt	family_gh0strat
behavioral1/memory/2548-33-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2724-40-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2724-41-0x0000000010000000-0x00000000101B6000-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\\259401925.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 5 IoCs

Processes:

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

pid process

2380 svchost.exe
2548 TXPlatforn.exe
2724 TXPlatforn.exe
2580 svchos.exe
1624 Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

pid	process
2380	svchost.exe
2548	TXPlatforn.exe
2724	TXPlatforn.exe
2580	svchos.exe
1624	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

Loads dropped DLL 7 IoCs

Processes:

35f3ad83820c64944f34e1104aead337bbb8b0fd4920fa595ac787f0dca694f1.exeTXPlatforn.exesvchos.exesvchost.exeÖ÷¶¯·ÀÓù·þÎñÄ£¿é.exe

pid	process
2928	35f3ad83820c64944f34e1104aead337bbb8b0fd4920fa595ac787f0dca694f1.exe
2548	TXPlatforn.exe
2928	35f3ad83820c64944f34e1104aead337bbb8b0fd4920fa595ac787f0dca694f1.exe
2580	svchos.exe
1176	svchost.exe
1176	svchost.exe
1624	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

UPX packed file 10 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/2380-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2380-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2380-12-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2380-8-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2548-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2724-30-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2724-32-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2548-33-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2724-40-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2724-41-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

Processes:

svchos.exesvchost.exesvchost.exe

description	ioc	process
File created	C:\Windows\SysWOW64\259401925.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

Drops file in Program Files directory 4 IoCs

Processes:

35f3ad83820c64944f34e1104aead337bbb8b0fd4920fa595ac787f0dca694f1.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	35f3ad83820c64944f34e1104aead337bbb8b0fd4920fa595ac787f0dca694f1.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	35f3ad83820c64944f34e1104aead337bbb8b0fd4920fa595ac787f0dca694f1.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	35f3ad83820c64944f34e1104aead337bbb8b0fd4920fa595ac787f0dca694f1.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	35f3ad83820c64944f34e1104aead337bbb8b0fd4920fa595ac787f0dca694f1.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

2568 PING.EXE
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatforn.exe

pid process

2724 TXPlatforn.exe

pid	process
2568	PING.EXE

pid	process
2724	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

svchost.exeTXPlatforn.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2380	svchost.exe
Token: SeLoadDriverPrivilege	2724	TXPlatforn.exe
Token: 33	2724	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2724	TXPlatforn.exe
Token: 33	2724	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2724	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

35f3ad83820c64944f34e1104aead337bbb8b0fd4920fa595ac787f0dca694f1.exe

pid	process
2928	35f3ad83820c64944f34e1104aead337bbb8b0fd4920fa595ac787f0dca694f1.exe
2928	35f3ad83820c64944f34e1104aead337bbb8b0fd4920fa595ac787f0dca694f1.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

35f3ad83820c64944f34e1104aead337bbb8b0fd4920fa595ac787f0dca694f1.exeTXPlatforn.exesvchost.execmd.exesvchost.exe

description	pid	process	target process
PID 2928 wrote to memory of 2380	2928	35f3ad83820c64944f34e1104aead337bbb8b0fd4920fa595ac787f0dca694f1.exe	svchost.exe
PID 2928 wrote to memory of 2380	2928	35f3ad83820c64944f34e1104aead337bbb8b0fd4920fa595ac787f0dca694f1.exe	svchost.exe
PID 2928 wrote to memory of 2380	2928	35f3ad83820c64944f34e1104aead337bbb8b0fd4920fa595ac787f0dca694f1.exe	svchost.exe
PID 2928 wrote to memory of 2380	2928	35f3ad83820c64944f34e1104aead337bbb8b0fd4920fa595ac787f0dca694f1.exe	svchost.exe
PID 2928 wrote to memory of 2380	2928	35f3ad83820c64944f34e1104aead337bbb8b0fd4920fa595ac787f0dca694f1.exe	svchost.exe
PID 2928 wrote to memory of 2380	2928	35f3ad83820c64944f34e1104aead337bbb8b0fd4920fa595ac787f0dca694f1.exe	svchost.exe
PID 2928 wrote to memory of 2380	2928	35f3ad83820c64944f34e1104aead337bbb8b0fd4920fa595ac787f0dca694f1.exe	svchost.exe
PID 2548 wrote to memory of 2724	2548	TXPlatforn.exe	TXPlatforn.exe
PID 2548 wrote to memory of 2724	2548	TXPlatforn.exe	TXPlatforn.exe
PID 2548 wrote to memory of 2724	2548	TXPlatforn.exe	TXPlatforn.exe
PID 2548 wrote to memory of 2724	2548	TXPlatforn.exe	TXPlatforn.exe
PID 2548 wrote to memory of 2724	2548	TXPlatforn.exe	TXPlatforn.exe
PID 2548 wrote to memory of 2724	2548	TXPlatforn.exe	TXPlatforn.exe
PID 2548 wrote to memory of 2724	2548	TXPlatforn.exe	TXPlatforn.exe
PID 2380 wrote to memory of 2684	2380	svchost.exe	cmd.exe
PID 2380 wrote to memory of 2684	2380	svchost.exe	cmd.exe
PID 2380 wrote to memory of 2684	2380	svchost.exe	cmd.exe
PID 2380 wrote to memory of 2684	2380	svchost.exe	cmd.exe
PID 2928 wrote to memory of 2580	2928	35f3ad83820c64944f34e1104aead337bbb8b0fd4920fa595ac787f0dca694f1.exe	svchos.exe
PID 2928 wrote to memory of 2580	2928	35f3ad83820c64944f34e1104aead337bbb8b0fd4920fa595ac787f0dca694f1.exe	svchos.exe
PID 2928 wrote to memory of 2580	2928	35f3ad83820c64944f34e1104aead337bbb8b0fd4920fa595ac787f0dca694f1.exe	svchos.exe
PID 2928 wrote to memory of 2580	2928	35f3ad83820c64944f34e1104aead337bbb8b0fd4920fa595ac787f0dca694f1.exe	svchos.exe
PID 2684 wrote to memory of 2568	2684	cmd.exe	PING.EXE
PID 2684 wrote to memory of 2568	2684	cmd.exe	PING.EXE
PID 2684 wrote to memory of 2568	2684	cmd.exe	PING.EXE
PID 2684 wrote to memory of 2568	2684	cmd.exe	PING.EXE
PID 1176 wrote to memory of 1624	1176	svchost.exe	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
PID 1176 wrote to memory of 1624	1176	svchost.exe	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
PID 1176 wrote to memory of 1624	1176	svchost.exe	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
PID 1176 wrote to memory of 1624	1176	svchost.exe	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

C:\Users\Admin\AppData\Local\Temp\35f3ad83820c64944f34e1104aead337bbb8b0fd4920fa595ac787f0dca694f1.exe
"C:\Users\Admin\AppData\Local\Temp\35f3ad83820c64944f34e1104aead337bbb8b0fd4920fa595ac787f0dca694f1.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2928

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:2380

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:2684

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:2568

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:2580

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2548

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:2724

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
PID:2668

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:1176

C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\259401925.txt",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:1624

Network

MITRE ATT&CK Matrix ATT&CK v13

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

System Information Discovery

1

T1082

Remote System Discovery

1

T1018

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\HD_X.dat
Filesize
1.7MB

MD5
ce681e55d92faa0e5fa0f797eaab2a1f

SHA1
e7e7d41717c4b7239b31f01f9a8992687e6a17d8

SHA256
35f3ad83820c64944f34e1104aead337bbb8b0fd4920fa595ac787f0dca694f1

SHA512
8b552ecd8ddabd1650f662d5143abf495b48b244670352c5b7f9d59922b8c2e474dc0ac415dd6a1f10d32ce9ec9db36c28c9b8d6f051e3d54b1d82291f8e0d89

Download Submit
C:\Users\Admin\AppData\Local\Temp\X.ico
Filesize
71KB

MD5
fb44f7af2882d222b600539171f54c1d

SHA1
0c5a1a0b1620a55a0f194464227be25a2f0347e1

SHA256
f2a78e76259bc8fd4ab6af7b4e16dfb49a10643308aca3d14c09e61ac0ebd487

SHA512
21e906473f64303c4c8d55213ccb84f4a803c11fb5eef34ce3194adfb391ccbcc91e7c399556c7a4e4f3d33b9b19524d4499ec771ee8e1a10df26ea7cc2dcb67

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\259401925.txt
Filesize
50KB

MD5
29c3e87fb26656f1a1b727d34d8fd844

SHA1
0a1752aaf3604340d1ded9637aa77d76262cc0f6

SHA256
f21db0e1c83a1c932cccc4f62156d8ea5f627eb12e1160fda8d7281840853252

SHA512
e3cb1f2e16936ab3104a2f413fd079fb9dc8af611caa4d6d4bcc46e33dbdb456d3b0e1c2dc0eaf03a31c3bdc9581f1eb3a67297f4a76c82e8f231cdf3d1709b6

Download Submit
memory/2380-5-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2380-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2380-12-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2380-8-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2548-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2548-33-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2724-32-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2724-41-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2724-40-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2724-30-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads