gh0strat | 6425c072f5cc6eec174a939e00457b526be1d4073c82553d349068bbaaf3348b

General

Target

6425c072f5cc6eec174a939e00457b526be1d4073c82553d349068bbaaf3348b.exe
Size

1.4MB
MD5

2e4b54ce6a8b3b65e235d40620f066df
SHA1

fb0582cf45d9b875930410447f8949568567c951
SHA256

6425c072f5cc6eec174a939e00457b526be1d4073c82553d349068bbaaf3348b
SHA512

ab9a166af4535d8e8a79a5a269e37ebedf3eab46d7cf790236bf32971d434d9a36352428d23e2a1408d7f3ec4adc16637077b5ba0d8c9c422e6ee268a0b05a53
SSDEEP

24576:F39WaOyHutimZ9VSly2hVvHW6qMnSbTBBhBMNb:598HPkVOBTKb

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/2452-0-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit
behavioral1/memory/2596-18-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 2 IoCs

resource	yara_rule
behavioral1/memory/2452-0-0x0000000010000000-0x000000001019F000-memory.dmp	family_gh0strat
behavioral1/memory/2596-18-0x0000000010000000-0x000000001019F000-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	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

Deletes itself 1 IoCs

pid	Process
1864	cmd.exe

Executes dropped EXE 2 IoCs

pid	Process
2068	Vwopq.exe
2596	Vwopq.exe

Loads dropped DLL 1 IoCs

pid	Process
2068	Vwopq.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Vwopq.exe	6425c072f5cc6eec174a939e00457b526be1d4073c82553d349068bbaaf3348b.exe
File opened for modification	C:\Windows\SysWOW64\Vwopq.exe	6425c072f5cc6eec174a939e00457b526be1d4073c82553d349068bbaaf3348b.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	6425c072f5cc6eec174a939e00457b526be1d4073c82553d349068bbaaf3348b.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
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
1864	cmd.exe
2240	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2240	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2596	Vwopq.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2452	6425c072f5cc6eec174a939e00457b526be1d4073c82553d349068bbaaf3348b.exe
Token: SeLoadDriverPrivilege	2596	Vwopq.exe
Token: 33	2596	Vwopq.exe
Token: SeIncBasePriorityPrivilege	2596	Vwopq.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2452 wrote to memory of 1864	2452	6425c072f5cc6eec174a939e00457b526be1d4073c82553d349068bbaaf3348b.exe	31
PID 2452 wrote to memory of 1864	2452	6425c072f5cc6eec174a939e00457b526be1d4073c82553d349068bbaaf3348b.exe	31
PID 2452 wrote to memory of 1864	2452	6425c072f5cc6eec174a939e00457b526be1d4073c82553d349068bbaaf3348b.exe	31
PID 2452 wrote to memory of 1864	2452	6425c072f5cc6eec174a939e00457b526be1d4073c82553d349068bbaaf3348b.exe	31
PID 2068 wrote to memory of 2596	2068	Vwopq.exe	32
PID 2068 wrote to memory of 2596	2068	Vwopq.exe	32
PID 2068 wrote to memory of 2596	2068	Vwopq.exe	32
PID 2068 wrote to memory of 2596	2068	Vwopq.exe	32
PID 1864 wrote to memory of 2240	1864	cmd.exe	34
PID 1864 wrote to memory of 2240	1864	cmd.exe	34
PID 1864 wrote to memory of 2240	1864	cmd.exe	34
PID 1864 wrote to memory of 2240	1864	cmd.exe	34

C:\Users\Admin\AppData\Local\Temp\6425c072f5cc6eec174a939e00457b526be1d4073c82553d349068bbaaf3348b.exe
"C:\Users\Admin\AppData\Local\Temp\6425c072f5cc6eec174a939e00457b526be1d4073c82553d349068bbaaf3348b.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2452
- 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\6425C0~1.EXE > nul
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:1864
- - 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:2240

C:\Windows\SysWOW64\Vwopq.exe
C:\Windows\SysWOW64\Vwopq.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2068
- 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:2596

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
1.4MB

MD5
2e4b54ce6a8b3b65e235d40620f066df

SHA1
fb0582cf45d9b875930410447f8949568567c951

SHA256
6425c072f5cc6eec174a939e00457b526be1d4073c82553d349068bbaaf3348b

SHA512
ab9a166af4535d8e8a79a5a269e37ebedf3eab46d7cf790236bf32971d434d9a36352428d23e2a1408d7f3ec4adc16637077b5ba0d8c9c422e6ee268a0b05a53

Download Submit
memory/2452-0-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download
memory/2596-18-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads