gh0strat | 45c404247ef243ddbcb9836c01d536a0ccc35a71da78d64d36467b972ad43b00

General

Target

45c404247ef243ddbcb9836c01d536a0ccc35a71da78d64d36467b972ad43b00.exe
Size

1.3MB
MD5

5a016957b7aa6eea811681ebbc2756df
SHA1

5de3e5eaf15413067b1c0fff80f5738051673236
SHA256

45c404247ef243ddbcb9836c01d536a0ccc35a71da78d64d36467b972ad43b00
SHA512

2eed091a556c4fc98204b8a00885f5f2be1c7fd5ab63bf21c1716c9d6bb196c1036f16329cb7558ba734e442c0fe695207fb8f01d863c6b35982c841b5c4122f
SSDEEP

24576:dOyHutimZ9VSly2hVvHW6qMnSbTBBhBMNm: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/1256-0-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit
behavioral2/memory/4288-11-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit
behavioral2/memory/2180-17-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 3 IoCs

resource	yara_rule
behavioral2/memory/1256-0-0x0000000010000000-0x000000001019F000-memory.dmp	family_gh0strat
behavioral2/memory/4288-11-0x0000000010000000-0x000000001019F000-memory.dmp	family_gh0strat
behavioral2/memory/2180-17-0x0000000010000000-0x000000001019F000-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
4288	Wxypq.exe
2180	Wxypq.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Wxypq.exe	45c404247ef243ddbcb9836c01d536a0ccc35a71da78d64d36467b972ad43b00.exe
File opened for modification	C:\Windows\SysWOW64\Wxypq.exe	45c404247ef243ddbcb9836c01d536a0ccc35a71da78d64d36467b972ad43b00.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	45c404247ef243ddbcb9836c01d536a0ccc35a71da78d64d36467b972ad43b00.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
5044	cmd.exe
2448	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2448	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2180	Wxypq.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1256	45c404247ef243ddbcb9836c01d536a0ccc35a71da78d64d36467b972ad43b00.exe
Token: SeLoadDriverPrivilege	2180	Wxypq.exe
Token: 33	2180	Wxypq.exe
Token: SeIncBasePriorityPrivilege	2180	Wxypq.exe
Token: 33	2180	Wxypq.exe
Token: SeIncBasePriorityPrivilege	2180	Wxypq.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1256 wrote to memory of 5044	1256	45c404247ef243ddbcb9836c01d536a0ccc35a71da78d64d36467b972ad43b00.exe	83
PID 1256 wrote to memory of 5044	1256	45c404247ef243ddbcb9836c01d536a0ccc35a71da78d64d36467b972ad43b00.exe	83
PID 1256 wrote to memory of 5044	1256	45c404247ef243ddbcb9836c01d536a0ccc35a71da78d64d36467b972ad43b00.exe	83
PID 4288 wrote to memory of 2180	4288	Wxypq.exe	85
PID 4288 wrote to memory of 2180	4288	Wxypq.exe	85
PID 4288 wrote to memory of 2180	4288	Wxypq.exe	85
PID 5044 wrote to memory of 2448	5044	cmd.exe	86
PID 5044 wrote to memory of 2448	5044	cmd.exe	86
PID 5044 wrote to memory of 2448	5044	cmd.exe	86

C:\Users\Admin\AppData\Local\Temp\45c404247ef243ddbcb9836c01d536a0ccc35a71da78d64d36467b972ad43b00.exe
"C:\Users\Admin\AppData\Local\Temp\45c404247ef243ddbcb9836c01d536a0ccc35a71da78d64d36467b972ad43b00.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1256
- 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\45C404~1.EXE > nul
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:5044
- - 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:2448

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:4288
- 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
  - Suspicious behavior: LoadsDriver
  - Suspicious use of AdjustPrivilegeToken
  PID:2180

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\SysWOW64\Wxypq.exe

Filesize
1.3MB

MD5
5a016957b7aa6eea811681ebbc2756df

SHA1
5de3e5eaf15413067b1c0fff80f5738051673236

SHA256
45c404247ef243ddbcb9836c01d536a0ccc35a71da78d64d36467b972ad43b00

SHA512
2eed091a556c4fc98204b8a00885f5f2be1c7fd5ab63bf21c1716c9d6bb196c1036f16329cb7558ba734e442c0fe695207fb8f01d863c6b35982c841b5c4122f

Download Submit
memory/1256-0-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download
memory/2180-17-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download
memory/4288-11-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads