gh0strat | 155135eb7638494d3ed1dbc8b78168bef5efb56a6a88e1f735990bbc005fd67c

Analysis

max time kernel
150s
max time network
122s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
25/06/2024, 15:46

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General

Target

155135eb7638494d3ed1dbc8b78168bef5efb56a6a88e1f735990bbc005fd67c.exe
Size

1.3MB
MD5

8348de3526f62752d4e7d82152a825c0
SHA1

ca171e1a2aedb0958f56f0347ec7e980df9e778d
SHA256

155135eb7638494d3ed1dbc8b78168bef5efb56a6a88e1f735990bbc005fd67c
SHA512

df2f3f4973e57abd75d81a23e6910dade7dc96e23391011b62004218a8dd83199f464cb48c5139c272e0d60912e338db15dd05181ab67678b78457e92dd5cd95
SSDEEP

24576:TQZoidOTdVZinacCET9Ecl1erdg0MCiVWhFU7cV7D:TQZAdVyVT9n/Gg0P+Who0

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 8 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/1812-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1812-9-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1812-8-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2716-22-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2716-27-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2820-33-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2820-37-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2820-40-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

resource	yara_rule
behavioral1/memory/1812-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1812-9-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1812-8-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2716-22-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2716-27-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2820-33-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/files/0x0007000000014b12-38.dat	family_gh0strat
behavioral1/memory/2820-37-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2820-40-0x0000000010000000-0x00000000101B6000-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\\259397276.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
1812	svchost.exe
2716	TXPlatforn.exe
2808	svchos.exe
2820	TXPlatforn.exe
1952	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

Loads dropped DLL 7 IoCs

pid	Process
2112	155135eb7638494d3ed1dbc8b78168bef5efb56a6a88e1f735990bbc005fd67c.exe
2112	155135eb7638494d3ed1dbc8b78168bef5efb56a6a88e1f735990bbc005fd67c.exe
2716	TXPlatforn.exe
2808	svchos.exe
2700	svchost.exe
2700	svchost.exe
1952	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1812-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1812-9-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1812-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1812-8-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2716-22-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2716-27-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2820-33-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2820-37-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2820-40-0x0000000010000000-0x00000000101B6000-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\259397276.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 4 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	155135eb7638494d3ed1dbc8b78168bef5efb56a6a88e1f735990bbc005fd67c.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	155135eb7638494d3ed1dbc8b78168bef5efb56a6a88e1f735990bbc005fd67c.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	155135eb7638494d3ed1dbc8b78168bef5efb56a6a88e1f735990bbc005fd67c.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	155135eb7638494d3ed1dbc8b78168bef5efb56a6a88e1f735990bbc005fd67c.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
2676	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2820	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1812	svchost.exe
Token: SeLoadDriverPrivilege	2820	TXPlatforn.exe
Token: 33	2820	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2820	TXPlatforn.exe
Token: 33	2820	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2820	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2112	155135eb7638494d3ed1dbc8b78168bef5efb56a6a88e1f735990bbc005fd67c.exe
2112	155135eb7638494d3ed1dbc8b78168bef5efb56a6a88e1f735990bbc005fd67c.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2112 wrote to memory of 1812	2112	155135eb7638494d3ed1dbc8b78168bef5efb56a6a88e1f735990bbc005fd67c.exe	28
PID 2112 wrote to memory of 1812	2112	155135eb7638494d3ed1dbc8b78168bef5efb56a6a88e1f735990bbc005fd67c.exe	28
PID 2112 wrote to memory of 1812	2112	155135eb7638494d3ed1dbc8b78168bef5efb56a6a88e1f735990bbc005fd67c.exe	28
PID 2112 wrote to memory of 1812	2112	155135eb7638494d3ed1dbc8b78168bef5efb56a6a88e1f735990bbc005fd67c.exe	28
PID 2112 wrote to memory of 1812	2112	155135eb7638494d3ed1dbc8b78168bef5efb56a6a88e1f735990bbc005fd67c.exe	28
PID 2112 wrote to memory of 1812	2112	155135eb7638494d3ed1dbc8b78168bef5efb56a6a88e1f735990bbc005fd67c.exe	28
PID 2112 wrote to memory of 1812	2112	155135eb7638494d3ed1dbc8b78168bef5efb56a6a88e1f735990bbc005fd67c.exe	28
PID 1812 wrote to memory of 2592	1812	svchost.exe	30
PID 1812 wrote to memory of 2592	1812	svchost.exe	30
PID 1812 wrote to memory of 2592	1812	svchost.exe	30
PID 1812 wrote to memory of 2592	1812	svchost.exe	30
PID 2112 wrote to memory of 2808	2112	155135eb7638494d3ed1dbc8b78168bef5efb56a6a88e1f735990bbc005fd67c.exe	31
PID 2112 wrote to memory of 2808	2112	155135eb7638494d3ed1dbc8b78168bef5efb56a6a88e1f735990bbc005fd67c.exe	31
PID 2112 wrote to memory of 2808	2112	155135eb7638494d3ed1dbc8b78168bef5efb56a6a88e1f735990bbc005fd67c.exe	31
PID 2112 wrote to memory of 2808	2112	155135eb7638494d3ed1dbc8b78168bef5efb56a6a88e1f735990bbc005fd67c.exe	31
PID 2716 wrote to memory of 2820	2716	TXPlatforn.exe	33
PID 2716 wrote to memory of 2820	2716	TXPlatforn.exe	33
PID 2716 wrote to memory of 2820	2716	TXPlatforn.exe	33
PID 2716 wrote to memory of 2820	2716	TXPlatforn.exe	33
PID 2716 wrote to memory of 2820	2716	TXPlatforn.exe	33
PID 2716 wrote to memory of 2820	2716	TXPlatforn.exe	33
PID 2716 wrote to memory of 2820	2716	TXPlatforn.exe	33
PID 2592 wrote to memory of 2676	2592	cmd.exe	34
PID 2592 wrote to memory of 2676	2592	cmd.exe	34
PID 2592 wrote to memory of 2676	2592	cmd.exe	34
PID 2592 wrote to memory of 2676	2592	cmd.exe	34
PID 2700 wrote to memory of 1952	2700	svchost.exe	38
PID 2700 wrote to memory of 1952	2700	svchost.exe	38
PID 2700 wrote to memory of 1952	2700	svchost.exe	38
PID 2700 wrote to memory of 1952	2700	svchost.exe	38

C:\Users\Admin\AppData\Local\Temp\155135eb7638494d3ed1dbc8b78168bef5efb56a6a88e1f735990bbc005fd67c.exe
"C:\Users\Admin\AppData\Local\Temp\155135eb7638494d3ed1dbc8b78168bef5efb56a6a88e1f735990bbc005fd67c.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2112
- 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:1812
- - 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:2592
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:2676
- 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:2808

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2716
- 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:2820

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
PID:2696

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:2700
- C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
  C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\259397276.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:1952

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
1.3MB

MD5
8348de3526f62752d4e7d82152a825c0

SHA1
ca171e1a2aedb0958f56f0347ec7e980df9e778d

SHA256
155135eb7638494d3ed1dbc8b78168bef5efb56a6a88e1f735990bbc005fd67c

SHA512
df2f3f4973e57abd75d81a23e6910dade7dc96e23391011b62004218a8dd83199f464cb48c5139c272e0d60912e338db15dd05181ab67678b78457e92dd5cd95

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\259397276.txt

Filesize
50KB

MD5
57855e3a37c745b85d6da0d39fc95321

SHA1
c5860e24a3fa53f984d4f912b8fb770cce1a86dd

SHA256
bc18a1e91ddfe2a3a64fc9d4eb31e8def418bf9435011cf22286b476f949a3c6

SHA512
fbf46648ccf07d2279d946680efdb5cb2690bf4c58a48938975eddc1a7b52da4394c49c269bc98784b6d26ebeeab037645f2d65618067e9161dabacc0d1fa578

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

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/1812-5-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1812-8-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1812-9-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1812-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2716-22-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2716-27-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2820-33-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2820-37-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2820-40-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads