gh0strat | ff23cf62a05272e10ca04c02c73471cb0b4c4fc20d3e47bd30a22b3116f6ab74

Analysis

max time kernel
149s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
30-12-2024 15:54

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General

Target

ff23cf62a05272e10ca04c02c73471cb0b4c4fc20d3e47bd30a22b3116f6ab74.exe
Size

1.3MB
MD5

0a8c0118b5b53bea2e3540f3370ce045
SHA1

991bb8dea5b202fda26e58bc933537c1ceea0820
SHA256

ff23cf62a05272e10ca04c02c73471cb0b4c4fc20d3e47bd30a22b3116f6ab74
SHA512

eea11a9bdae4d77b91235d683e2cbc1def69c5392f7a369f6606b2c2758b3de86f16178b135e9f4e1db32e1a93cdaf1aaacdb0df5c29c9540664e93fb01f66f3
SSDEEP

24576:dOyHutimZ9VSly2hVvHW6qMnSbTBBhBMNq:QHPkVOBTK

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan

Malware Config

Signatures

Detect PurpleFox Rootkit 3 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral2/memory/4876-0-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit
behavioral2/memory/2136-10-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit
behavioral2/memory/1032-17-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 3 IoCs

resource	yara_rule
behavioral2/memory/4876-0-0x0000000010000000-0x000000001019F000-memory.dmp	family_gh0strat
behavioral2/memory/2136-10-0x0000000010000000-0x000000001019F000-memory.dmp	family_gh0strat
behavioral2/memory/1032-17-0x0000000010000000-0x000000001019F000-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
Gh0strat family
gh0strat
PurpleFox
PurpleFox is an exploit kit used to distribute other malware families and first seen in 2018.
rootkit trojan purplefox
Purplefox family
purplefox

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File created	C:\Windows\system32\drivers\QAssist.sys	QQ.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"	QQ.exe

Executes dropped EXE 2 IoCs

pid	Process
2136	QQ.exe
1032	QQ.exe

Enumerates connected drives 3 TTPs 22 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\B:	QQ.exe
File opened (read-only)	\??\G:	QQ.exe
File opened (read-only)	\??\O:	QQ.exe
File opened (read-only)	\??\Q:	QQ.exe
File opened (read-only)	\??\Z:	QQ.exe
File opened (read-only)	\??\E:	QQ.exe
File opened (read-only)	\??\I:	QQ.exe
File opened (read-only)	\??\K:	QQ.exe
File opened (read-only)	\??\M:	QQ.exe
File opened (read-only)	\??\S:	QQ.exe
File opened (read-only)	\??\X:	QQ.exe
File opened (read-only)	\??\H:	QQ.exe
File opened (read-only)	\??\U:	QQ.exe
File opened (read-only)	\??\V:	QQ.exe
File opened (read-only)	\??\W:	QQ.exe
File opened (read-only)	\??\Y:	QQ.exe
File opened (read-only)	\??\J:	QQ.exe
File opened (read-only)	\??\L:	QQ.exe
File opened (read-only)	\??\N:	QQ.exe
File opened (read-only)	\??\P:	QQ.exe
File opened (read-only)	\??\R:	QQ.exe
File opened (read-only)	\??\T:	QQ.exe

Drops file in System32 directory 10 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\CF14D1855652602540DFCFECD21854DB_47530B00274A9A7AF822523F21AAA8A1	QQ.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\CF14D1855652602540DFCFECD21854DB_47530B00274A9A7AF822523F21AAA8A1	QQ.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData	QQ.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\0DA515F703BB9B49479E8697ADB0B955_786387CC77858B88BA3234B304062475	QQ.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft	QQ.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache	QQ.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content	QQ.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\0DA515F703BB9B49479E8697ADB0B955_786387CC77858B88BA3234B304062475	QQ.exe
File created	C:\Windows\SysWOW64\QQ.exe	ff23cf62a05272e10ca04c02c73471cb0b4c4fc20d3e47bd30a22b3116f6ab74.exe
File opened for modification	C:\Windows\SysWOW64\QQ.exe	ff23cf62a05272e10ca04c02c73471cb0b4c4fc20d3e47bd30a22b3116f6ab74.exe

System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	QQ.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ff23cf62a05272e10ca04c02c73471cb0b4c4fc20d3e47bd30a22b3116f6ab74.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	QQ.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
5060	cmd.exe
1040	PING.EXE

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	QQ.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	QQ.exe

Modifies data under HKEY_USERS 14 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	QQ.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum	QQ.exe
Key created	\REGISTRY\USER\.DEFAULT\Software	QQ.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	QQ.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	QQ.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	QQ.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	QQ.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	QQ.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum\Version = "7"	QQ.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	QQ.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	QQ.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing	QQ.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft	QQ.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie	QQ.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1040	PING.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1032	QQ.exe
1032	QQ.exe
1032	QQ.exe
1032	QQ.exe
1032	QQ.exe
1032	QQ.exe
1032	QQ.exe
1032	QQ.exe
1032	QQ.exe
1032	QQ.exe
1032	QQ.exe
1032	QQ.exe
1032	QQ.exe
1032	QQ.exe
1032	QQ.exe
1032	QQ.exe
1032	QQ.exe
1032	QQ.exe
1032	QQ.exe
1032	QQ.exe
1032	QQ.exe
1032	QQ.exe
1032	QQ.exe
1032	QQ.exe
1032	QQ.exe
1032	QQ.exe
1032	QQ.exe
1032	QQ.exe
1032	QQ.exe
1032	QQ.exe
1032	QQ.exe
1032	QQ.exe
1032	QQ.exe
1032	QQ.exe
1032	QQ.exe
1032	QQ.exe
1032	QQ.exe
1032	QQ.exe
1032	QQ.exe
1032	QQ.exe
1032	QQ.exe
1032	QQ.exe
1032	QQ.exe
1032	QQ.exe
1032	QQ.exe
1032	QQ.exe
1032	QQ.exe
1032	QQ.exe
1032	QQ.exe
1032	QQ.exe
1032	QQ.exe
1032	QQ.exe
1032	QQ.exe
1032	QQ.exe
1032	QQ.exe
1032	QQ.exe
1032	QQ.exe
1032	QQ.exe
1032	QQ.exe
1032	QQ.exe
1032	QQ.exe
1032	QQ.exe
1032	QQ.exe
1032	QQ.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
1032	QQ.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	4876	ff23cf62a05272e10ca04c02c73471cb0b4c4fc20d3e47bd30a22b3116f6ab74.exe
Token: SeLoadDriverPrivilege	1032	QQ.exe
Token: 33	1032	QQ.exe
Token: SeIncBasePriorityPrivilege	1032	QQ.exe
Token: 33	1032	QQ.exe
Token: SeIncBasePriorityPrivilege	1032	QQ.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4876 wrote to memory of 5060	4876	ff23cf62a05272e10ca04c02c73471cb0b4c4fc20d3e47bd30a22b3116f6ab74.exe	83
PID 4876 wrote to memory of 5060	4876	ff23cf62a05272e10ca04c02c73471cb0b4c4fc20d3e47bd30a22b3116f6ab74.exe	83
PID 4876 wrote to memory of 5060	4876	ff23cf62a05272e10ca04c02c73471cb0b4c4fc20d3e47bd30a22b3116f6ab74.exe	83
PID 2136 wrote to memory of 1032	2136	QQ.exe	85
PID 2136 wrote to memory of 1032	2136	QQ.exe	85
PID 2136 wrote to memory of 1032	2136	QQ.exe	85
PID 5060 wrote to memory of 1040	5060	cmd.exe	86
PID 5060 wrote to memory of 1040	5060	cmd.exe	86
PID 5060 wrote to memory of 1040	5060	cmd.exe	86

C:\Users\Admin\AppData\Local\Temp\ff23cf62a05272e10ca04c02c73471cb0b4c4fc20d3e47bd30a22b3116f6ab74.exe
"C:\Users\Admin\AppData\Local\Temp\ff23cf62a05272e10ca04c02c73471cb0b4c4fc20d3e47bd30a22b3116f6ab74.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4876
- 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\FF23CF~1.EXE > nul
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:5060
- - C:\Windows\SysWOW64\PING.EXE
    ping -n 2 127.0.0.1
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:1040

C:\Windows\SysWOW64\QQ.exe
C:\Windows\SysWOW64\QQ.exe -auto
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2136
- C:\Windows\SysWOW64\QQ.exe
  C:\Windows\SysWOW64\QQ.exe -acsi
  2⤵
  - Drops file in Drivers directory
  - Sets service image path in registry
  - Executes dropped EXE
  - Enumerates connected drives
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Modifies data under HKEY_USERS
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: LoadsDriver
  - Suspicious use of AdjustPrivilegeToken
  PID:1032

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

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

Remote System Discovery

T1018

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\getip[1].htm

Filesize
262B

MD5
72fa0fca20c82853e6dbbc1f13c78100

SHA1
4e9b01e3ad0b56c9409bb02e5700430792fecacd

SHA256
4555de589ff9b307e20c708d6f112bc47bb377df29ff0a5914f8fb0932926887

SHA512
9c233b279c9e3f934752310443d31409f7236ea6d45fcf130b408558a5f6c35a9ea63684a3f9e5a01321c558cc278bc55dfaf01850cd1e56546b9f0fec3e96e9

Download Submit
C:\Windows\SysWOW64\QQ.exe

Filesize
1.3MB

MD5
0a8c0118b5b53bea2e3540f3370ce045

SHA1
991bb8dea5b202fda26e58bc933537c1ceea0820

SHA256
ff23cf62a05272e10ca04c02c73471cb0b4c4fc20d3e47bd30a22b3116f6ab74

SHA512
eea11a9bdae4d77b91235d683e2cbc1def69c5392f7a369f6606b2c2758b3de86f16178b135e9f4e1db32e1a93cdaf1aaacdb0df5c29c9540664e93fb01f66f3

Download Submit
memory/1032-17-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download
memory/2136-10-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download
memory/4876-0-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download