gh0strat | 5df42592446c46569dc148016e97edbdcbe6df310815458d8b246ca1cd44cbd1

General

Target

5df42592446c46569dc148016e97edbdcbe6df310815458d8b246ca1cd44cbd1.exe
Size

1.3MB
MD5

a493b8400cf4ca4d39752f08e4b0b9d3
SHA1

3e3940021b31a59e99979b59fdb7c612dd309543
SHA256

5df42592446c46569dc148016e97edbdcbe6df310815458d8b246ca1cd44cbd1
SHA512

8fd504d83a5df1eaffb095df5acb01aa9517089a185078b851e3eb79fa9d0e768dfd33c1346e63638b73eec37c2876326bf33cbf88bd0a6f9999bdffb1ad31da
SSDEEP

24576:dOyHutimZ9VSly2hVvHW6qMnSbTBBhBMNy: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/3300-1-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit
behavioral2/memory/640-10-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit
behavioral2/memory/2760-17-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 3 IoCs

resource	yara_rule
behavioral2/memory/3300-1-0x0000000010000000-0x000000001019F000-memory.dmp	family_gh0strat
behavioral2/memory/640-10-0x0000000010000000-0x000000001019F000-memory.dmp	family_gh0strat
behavioral2/memory/2760-17-0x0000000010000000-0x000000001019F000-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	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
640	Wxypq.exe
2760	Wxypq.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Wxypq.exe	5df42592446c46569dc148016e97edbdcbe6df310815458d8b246ca1cd44cbd1.exe
File opened for modification	C:\Windows\SysWOW64\Wxypq.exe	5df42592446c46569dc148016e97edbdcbe6df310815458d8b246ca1cd44cbd1.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	5df42592446c46569dc148016e97edbdcbe6df310815458d8b246ca1cd44cbd1.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
4896	cmd.exe
3412	PING.EXE

Modifies data under HKEY_USERS 3 IoCs

description	ioc	Process
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
3412	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2760	Wxypq.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	3300	5df42592446c46569dc148016e97edbdcbe6df310815458d8b246ca1cd44cbd1.exe
Token: SeLoadDriverPrivilege	2760	Wxypq.exe
Token: 33	2760	Wxypq.exe
Token: SeIncBasePriorityPrivilege	2760	Wxypq.exe
Token: 33	2760	Wxypq.exe
Token: SeIncBasePriorityPrivilege	2760	Wxypq.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3300 wrote to memory of 4896	3300	5df42592446c46569dc148016e97edbdcbe6df310815458d8b246ca1cd44cbd1.exe	83
PID 3300 wrote to memory of 4896	3300	5df42592446c46569dc148016e97edbdcbe6df310815458d8b246ca1cd44cbd1.exe	83
PID 3300 wrote to memory of 4896	3300	5df42592446c46569dc148016e97edbdcbe6df310815458d8b246ca1cd44cbd1.exe	83
PID 640 wrote to memory of 2760	640	Wxypq.exe	84
PID 640 wrote to memory of 2760	640	Wxypq.exe	84
PID 640 wrote to memory of 2760	640	Wxypq.exe	84
PID 4896 wrote to memory of 3412	4896	cmd.exe	86
PID 4896 wrote to memory of 3412	4896	cmd.exe	86
PID 4896 wrote to memory of 3412	4896	cmd.exe	86

C:\Users\Admin\AppData\Local\Temp\5df42592446c46569dc148016e97edbdcbe6df310815458d8b246ca1cd44cbd1.exe
"C:\Users\Admin\AppData\Local\Temp\5df42592446c46569dc148016e97edbdcbe6df310815458d8b246ca1cd44cbd1.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3300
- 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\5DF425~1.EXE > nul
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:4896
- - 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:3412

C:\Windows\SysWOW64\Wxypq.exe
C:\Windows\SysWOW64\Wxypq.exe -auto
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:640
- 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:2760

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
a493b8400cf4ca4d39752f08e4b0b9d3

SHA1
3e3940021b31a59e99979b59fdb7c612dd309543

SHA256
5df42592446c46569dc148016e97edbdcbe6df310815458d8b246ca1cd44cbd1

SHA512
8fd504d83a5df1eaffb095df5acb01aa9517089a185078b851e3eb79fa9d0e768dfd33c1346e63638b73eec37c2876326bf33cbf88bd0a6f9999bdffb1ad31da

Download Submit
memory/640-10-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download
memory/2760-17-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download
memory/3300-1-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads