gh0strat | 49c2bcb36ec4019551f31d7481e75c3d8ca997a37f59cb33792e5b7a5ce30896

General

Target

49c2bcb36ec4019551f31d7481e75c3d8ca997a37f59cb33792e5b7a5ce30896.exe
Size

1.3MB
MD5

1102d6376c035f96de2e919ce1431d66
SHA1

c6ddd0d30521df2e86472111ce48965eb2a55732
SHA256

49c2bcb36ec4019551f31d7481e75c3d8ca997a37f59cb33792e5b7a5ce30896
SHA512

cc064e71690b0a30cd174baf925a4b3007567dc5357957d8676887651ab2cb073f91925e5fc95d5cfcaa389c163554533059c589b330e2141a62b4c98afd91b7
SSDEEP

24576:dOyHutimZ9VSly2hVvHW6qMnSbTBBhBMNC:QHPkVOBTK

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan

Malware Config

Signatures

Detect PurpleFox Rootkit 2 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/1456-1-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit
behavioral1/memory/3024-18-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 2 IoCs

resource	yara_rule
behavioral1/memory/1456-1-0x0000000010000000-0x000000001019F000-memory.dmp	family_gh0strat
behavioral1/memory/3024-18-0x0000000010000000-0x000000001019F000-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	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

Deletes itself 1 IoCs

pid	Process
2724	cmd.exe

Executes dropped EXE 2 IoCs

pid	Process
1556	Wxypq.exe
3024	Wxypq.exe

Loads dropped DLL 1 IoCs

pid	Process
1556	Wxypq.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Wxypq.exe	49c2bcb36ec4019551f31d7481e75c3d8ca997a37f59cb33792e5b7a5ce30896.exe
File opened for modification	C:\Windows\SysWOW64\Wxypq.exe	49c2bcb36ec4019551f31d7481e75c3d8ca997a37f59cb33792e5b7a5ce30896.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	49c2bcb36ec4019551f31d7481e75c3d8ca997a37f59cb33792e5b7a5ce30896.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Wxypq.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Wxypq.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.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
2724	cmd.exe
2744	PING.EXE

Modifies data under HKEY_USERS 4 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	Wxypq.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	Wxypq.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	Wxypq.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	Wxypq.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2744	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
3024	Wxypq.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1456	49c2bcb36ec4019551f31d7481e75c3d8ca997a37f59cb33792e5b7a5ce30896.exe
Token: SeLoadDriverPrivilege	3024	Wxypq.exe
Token: 33	3024	Wxypq.exe
Token: SeIncBasePriorityPrivilege	3024	Wxypq.exe
Token: 33	3024	Wxypq.exe
Token: SeIncBasePriorityPrivilege	3024	Wxypq.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1456 wrote to memory of 2724	1456	49c2bcb36ec4019551f31d7481e75c3d8ca997a37f59cb33792e5b7a5ce30896.exe	30
PID 1456 wrote to memory of 2724	1456	49c2bcb36ec4019551f31d7481e75c3d8ca997a37f59cb33792e5b7a5ce30896.exe	30
PID 1456 wrote to memory of 2724	1456	49c2bcb36ec4019551f31d7481e75c3d8ca997a37f59cb33792e5b7a5ce30896.exe	30
PID 1456 wrote to memory of 2724	1456	49c2bcb36ec4019551f31d7481e75c3d8ca997a37f59cb33792e5b7a5ce30896.exe	30
PID 1556 wrote to memory of 3024	1556	Wxypq.exe	31
PID 1556 wrote to memory of 3024	1556	Wxypq.exe	31
PID 1556 wrote to memory of 3024	1556	Wxypq.exe	31
PID 1556 wrote to memory of 3024	1556	Wxypq.exe	31
PID 2724 wrote to memory of 2744	2724	cmd.exe	33
PID 2724 wrote to memory of 2744	2724	cmd.exe	33
PID 2724 wrote to memory of 2744	2724	cmd.exe	33
PID 2724 wrote to memory of 2744	2724	cmd.exe	33

C:\Users\Admin\AppData\Local\Temp\49c2bcb36ec4019551f31d7481e75c3d8ca997a37f59cb33792e5b7a5ce30896.exe
"C:\Users\Admin\AppData\Local\Temp\49c2bcb36ec4019551f31d7481e75c3d8ca997a37f59cb33792e5b7a5ce30896.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1456
- 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\49C2BC~1.EXE > nul
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:2724
- - 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:2744

C:\Windows\SysWOW64\Wxypq.exe
C:\Windows\SysWOW64\Wxypq.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1556
- 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
  - System Location Discovery: System Language Discovery
  - Modifies data under HKEY_USERS
  - Suspicious behavior: LoadsDriver
  - Suspicious use of AdjustPrivilegeToken
  PID:3024

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Remote System Discovery

1

T1018

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\SysWOW64\Wxypq.exe

Filesize
1.3MB

MD5
1102d6376c035f96de2e919ce1431d66

SHA1
c6ddd0d30521df2e86472111ce48965eb2a55732

SHA256
49c2bcb36ec4019551f31d7481e75c3d8ca997a37f59cb33792e5b7a5ce30896

SHA512
cc064e71690b0a30cd174baf925a4b3007567dc5357957d8676887651ab2cb073f91925e5fc95d5cfcaa389c163554533059c589b330e2141a62b4c98afd91b7

Download Submit
memory/1456-1-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download
memory/3024-18-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads