gh0strat | 7fcb52d0f73b19fc95b1856728a6cafa62274c2c279fddeefeed4db3b9d3dc3d

Analysis

max time kernel
142s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
19/06/2024, 09:29

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General

Target
7fcb52d0f73b19fc95b1856728a6cafa62274c2c279fddeefeed4db3b9d3dc3d.exe
Size 1.3MB
Sample240619-lf5txssdnq
SHA256 7fcb52d0f73b19fc95b1856728a6cafa62274c2c279fddeefeed4db3b9d3dc3d
MD5 54ab09bc389b92bb8c1457744319b04a
SHA1 684b749a7121e2253ec5900f1b8af3832864e19c
SHA512 eb8f5e9ce1e40a8d39da18b8414d68303072e5434b9cab98f271c750f67d672ff7df5ffb75e8e830da4931b5f7feb1ce5ea6a527fbe1602afd87162e72d7aad2
SSDEEP 24576:dOyHutimZ9VSly2hVvHW6qMnSbTBBhBMNC:QHPkVOBTK
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan

Malware Config

Signatures

Detect PurpleFox Rootkit 2 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral2/memory/3664-1-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit
behavioral2/memory/2868-10-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 2 IoCs

resource	yara_rule
behavioral2/memory/3664-1-0x0000000010000000-0x000000001019F000-memory.dmp	family_gh0strat
behavioral2/memory/2868-10-0x0000000010000000-0x000000001019F000-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
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	Wxypq.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"	Wxypq.exe

Executes dropped EXE 2 IoCs

pid	Process
2868	Wxypq.exe
1392	Wxypq.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Wxypq.exe	7fcb52d0f73b19fc95b1856728a6cafa62274c2c279fddeefeed4db3b9d3dc3d.exe
File opened for modification	C:\Windows\SysWOW64\Wxypq.exe	7fcb52d0f73b19fc95b1856728a6cafa62274c2c279fddeefeed4db3b9d3dc3d.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1128	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
1392	Wxypq.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	3664	7fcb52d0f73b19fc95b1856728a6cafa62274c2c279fddeefeed4db3b9d3dc3d.exe
Token: SeLoadDriverPrivilege	1392	Wxypq.exe
Token: 33	1392	Wxypq.exe
Token: SeIncBasePriorityPrivilege	1392	Wxypq.exe
Token: 33	1392	Wxypq.exe
Token: SeIncBasePriorityPrivilege	1392	Wxypq.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3664 wrote to memory of 3600	3664	7fcb52d0f73b19fc95b1856728a6cafa62274c2c279fddeefeed4db3b9d3dc3d.exe	84
PID 3664 wrote to memory of 3600	3664	7fcb52d0f73b19fc95b1856728a6cafa62274c2c279fddeefeed4db3b9d3dc3d.exe	84
PID 3664 wrote to memory of 3600	3664	7fcb52d0f73b19fc95b1856728a6cafa62274c2c279fddeefeed4db3b9d3dc3d.exe	84
PID 2868 wrote to memory of 1392	2868	Wxypq.exe	85
PID 2868 wrote to memory of 1392	2868	Wxypq.exe	85
PID 2868 wrote to memory of 1392	2868	Wxypq.exe	85
PID 3600 wrote to memory of 1128	3600	cmd.exe	87
PID 3600 wrote to memory of 1128	3600	cmd.exe	87
PID 3600 wrote to memory of 1128	3600	cmd.exe	87

C:\Users\Admin\AppData\Local\Temp\7fcb52d0f73b19fc95b1856728a6cafa62274c2c279fddeefeed4db3b9d3dc3d.exe
"C:\Users\Admin\AppData\Local\Temp\7fcb52d0f73b19fc95b1856728a6cafa62274c2c279fddeefeed4db3b9d3dc3d.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3664
- 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\7FCB52~1.EXE > nul
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3600
- - C:\Windows\SysWOW64\PING.EXE
    ping -n 2 127.0.0.1
    3⤵
    - Runs ping.exe
    PID:1128

C:\Windows\SysWOW64\Wxypq.exe
C:\Windows\SysWOW64\Wxypq.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2868
- C:\Windows\SysWOW64\Wxypq.exe
  C:\Windows\SysWOW64\Wxypq.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:1392

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

Remote System Discovery

T1018

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

Wxypq.exe

Path C:\Windows\SysWOW64\Wxypq.exe
Size 1.3MB
SHA256 7fcb52d0f73b19fc95b1856728a6cafa62274c2c279fddeefeed4db3b9d3dc3d
MD5 54ab09bc389b92bb8c1457744319b04a
SHA1 684b749a7121e2253ec5900f1b8af3832864e19c
SHA512 eb8f5e9ce1e40a8d39da18b8414d68303072e5434b9cab98f271c750f67d672ff7df5ffb75e8e830da4931b5f7feb1ce5ea6a527fbe1602afd87162e72d7aad2
SSDEEP 24576:dOyHutimZ9VSly2hVvHW6qMnSbTBBhBMNC:QHPkVOBTK
MD5 SHA1 SHA512 SSDEEP

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memory/2868-10-0x0000000010000000-0x000000001019F000-memory.dmp

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memory/3664-1-0x0000000010000000-0x000000001019F000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads