gh0strat | 6ef75442a68ae42bc42480b4a34cef6ac120e314b85929bd005e2e376c44a445

General

Target

6ef75442a68ae42bc42480b4a34cef6ac120e314b85929bd005e2e376c44a445.exe
Size

1.3MB
MD5

4caadcf8452526c30b29ba2e933071ee
SHA1

38b1eb7725a28ab401f483a83f8da914e61cfdeb
SHA256

6ef75442a68ae42bc42480b4a34cef6ac120e314b85929bd005e2e376c44a445
SHA512

d29218f01bafd90fc2d4ed504622eb5751785d0ec70629b3e0cce17b1c67ad3b3468b6e9edec1ec20a19e58a670295bced7b9aabb0dff835062a0af6ad74d2d5
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/4032-0-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit
behavioral2/memory/3540-10-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit
behavioral2/memory/2416-17-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 3 IoCs

resource	yara_rule
behavioral2/memory/4032-0-0x0000000010000000-0x000000001019F000-memory.dmp	family_gh0strat
behavioral2/memory/3540-10-0x0000000010000000-0x000000001019F000-memory.dmp	family_gh0strat
behavioral2/memory/2416-17-0x0000000010000000-0x000000001019F000-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
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	Vwopq.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"	Vwopq.exe

Executes dropped EXE 2 IoCs

pid	Process
3540	Vwopq.exe
2416	Vwopq.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Vwopq.exe	6ef75442a68ae42bc42480b4a34cef6ac120e314b85929bd005e2e376c44a445.exe
File opened for modification	C:\Windows\SysWOW64\Vwopq.exe	6ef75442a68ae42bc42480b4a34cef6ac120e314b85929bd005e2e376c44a445.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	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6ef75442a68ae42bc42480b4a34cef6ac120e314b85929bd005e2e376c44a445.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Vwopq.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Vwopq.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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
1320	cmd.exe
4208	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4208	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2416	Vwopq.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	4032	6ef75442a68ae42bc42480b4a34cef6ac120e314b85929bd005e2e376c44a445.exe
Token: SeLoadDriverPrivilege	2416	Vwopq.exe
Token: 33	2416	Vwopq.exe
Token: SeIncBasePriorityPrivilege	2416	Vwopq.exe
Token: 33	2416	Vwopq.exe
Token: SeIncBasePriorityPrivilege	2416	Vwopq.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4032 wrote to memory of 1320	4032	6ef75442a68ae42bc42480b4a34cef6ac120e314b85929bd005e2e376c44a445.exe	83
PID 4032 wrote to memory of 1320	4032	6ef75442a68ae42bc42480b4a34cef6ac120e314b85929bd005e2e376c44a445.exe	83
PID 4032 wrote to memory of 1320	4032	6ef75442a68ae42bc42480b4a34cef6ac120e314b85929bd005e2e376c44a445.exe	83
PID 3540 wrote to memory of 2416	3540	Vwopq.exe	84
PID 3540 wrote to memory of 2416	3540	Vwopq.exe	84
PID 3540 wrote to memory of 2416	3540	Vwopq.exe	84
PID 1320 wrote to memory of 4208	1320	cmd.exe	86
PID 1320 wrote to memory of 4208	1320	cmd.exe	86
PID 1320 wrote to memory of 4208	1320	cmd.exe	86

C:\Users\Admin\AppData\Local\Temp\6ef75442a68ae42bc42480b4a34cef6ac120e314b85929bd005e2e376c44a445.exe
"C:\Users\Admin\AppData\Local\Temp\6ef75442a68ae42bc42480b4a34cef6ac120e314b85929bd005e2e376c44a445.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4032
- 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\6EF754~1.EXE > nul
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:1320
- - 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:4208

C:\Windows\SysWOW64\Vwopq.exe
C:\Windows\SysWOW64\Vwopq.exe -auto
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3540
- C:\Windows\SysWOW64\Vwopq.exe
  C:\Windows\SysWOW64\Vwopq.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:2416

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\Vwopq.exe

Filesize
1.3MB

MD5
4caadcf8452526c30b29ba2e933071ee

SHA1
38b1eb7725a28ab401f483a83f8da914e61cfdeb

SHA256
6ef75442a68ae42bc42480b4a34cef6ac120e314b85929bd005e2e376c44a445

SHA512
d29218f01bafd90fc2d4ed504622eb5751785d0ec70629b3e0cce17b1c67ad3b3468b6e9edec1ec20a19e58a670295bced7b9aabb0dff835062a0af6ad74d2d5

Download Submit
memory/2416-17-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download
memory/3540-10-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download
memory/4032-0-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads