gh0strat | 9f7c805d50916259326b45cec79416b6fc0804b89b58ad1389cdfc782a8737ff

General

Target

9f7c805d50916259326b45cec79416b6fc0804b89b58ad1389cdfc782a8737ff.exe
Size

1.3MB
MD5

152ee6686e7b6f11d8265f9df8510148
SHA1

710c4ae02e158b9fd47a2716b1929ded0cc068b7
SHA256

9f7c805d50916259326b45cec79416b6fc0804b89b58ad1389cdfc782a8737ff
SHA512

ae49b7816c3fcbd455d887fa3843a5e95a2045e26952175ab5cb386d217d4acf2fb16571524af628306dfd1be150da720fed732e0829ec75ce300d14f1964809
SSDEEP

24576:dOyHutimZ9VSly2hVvHW6qMnSbTBBhBMNN:QHPkVOBTK

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan

Malware Config

Signatures

Detect PurpleFox Rootkit 2 IoCs

Detect PurpleFox Rootkit.

rootkit

Processes:

resource	yara_rule
behavioral1/memory/2168-0-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit
behavioral1/memory/2244-18-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 2 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2168-0-0x0000000010000000-0x000000001019F000-memory.dmp	family_gh0strat
behavioral1/memory/2244-18-0x0000000010000000-0x000000001019F000-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

Processes:

Gwogw.exe

description ioc process

File created C:\Windows\system32\drivers\QAssist.sys Gwogw.exe
Sets service image path in registry 2 TTPs 1 IoCs
persistence

Registry Run Keys / Startup Folder
T1547.001

Modify Registry
T1112

Processes:

Gwogw.exe

description ioc process

Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\QAssist\ImagePath = "system32\\DRIVERS\\QAssist.sys" Gwogw.exe
Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

2176 cmd.exe
Executes dropped EXE 2 IoCs

Processes:

Gwogw.exeGwogw.exe

pid process

2700 Gwogw.exe
2244 Gwogw.exe
Loads dropped DLL 1 IoCs

Processes:

Gwogw.exe

pid process

2700 Gwogw.exe

description	ioc	process
File created	C:\Windows\system32\drivers\QAssist.sys	Gwogw.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\QAssist\ImagePath = "system32\\DRIVERS\\QAssist.sys"	Gwogw.exe

pid	process
2176	cmd.exe

pid	process
2700	Gwogw.exe
2244	Gwogw.exe

pid	process
2700	Gwogw.exe

Drops file in System32 directory 2 IoCs

Processes:

9f7c805d50916259326b45cec79416b6fc0804b89b58ad1389cdfc782a8737ff.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\Gwogw.exe	9f7c805d50916259326b45cec79416b6fc0804b89b58ad1389cdfc782a8737ff.exe
File created	C:\Windows\SysWOW64\Gwogw.exe	9f7c805d50916259326b45cec79416b6fc0804b89b58ad1389cdfc782a8737ff.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

Processes:

Gwogw.execmd.exePING.EXE9f7c805d50916259326b45cec79416b6fc0804b89b58ad1389cdfc782a8737ff.exeGwogw.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Gwogw.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9f7c805d50916259326b45cec79416b6fc0804b89b58ad1389cdfc782a8737ff.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Gwogw.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

Processes:

cmd.exePING.EXE

pid process

2176 cmd.exe
2880 PING.EXE
Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2880 PING.EXE
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

Gwogw.exe

pid process

2244 Gwogw.exe

pid	process
2176	cmd.exe
2880	PING.EXE

pid	process
2880	PING.EXE

pid	process
2244	Gwogw.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

9f7c805d50916259326b45cec79416b6fc0804b89b58ad1389cdfc782a8737ff.exeGwogw.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2168	9f7c805d50916259326b45cec79416b6fc0804b89b58ad1389cdfc782a8737ff.exe
Token: SeLoadDriverPrivilege	2244	Gwogw.exe
Token: 33	2244	Gwogw.exe
Token: SeIncBasePriorityPrivilege	2244	Gwogw.exe
Token: 33	2244	Gwogw.exe
Token: SeIncBasePriorityPrivilege	2244	Gwogw.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

9f7c805d50916259326b45cec79416b6fc0804b89b58ad1389cdfc782a8737ff.exeGwogw.execmd.exe

description	pid	process	target process
PID 2168 wrote to memory of 2176	2168	9f7c805d50916259326b45cec79416b6fc0804b89b58ad1389cdfc782a8737ff.exe	cmd.exe
PID 2168 wrote to memory of 2176	2168	9f7c805d50916259326b45cec79416b6fc0804b89b58ad1389cdfc782a8737ff.exe	cmd.exe
PID 2168 wrote to memory of 2176	2168	9f7c805d50916259326b45cec79416b6fc0804b89b58ad1389cdfc782a8737ff.exe	cmd.exe
PID 2168 wrote to memory of 2176	2168	9f7c805d50916259326b45cec79416b6fc0804b89b58ad1389cdfc782a8737ff.exe	cmd.exe
PID 2700 wrote to memory of 2244	2700	Gwogw.exe	Gwogw.exe
PID 2700 wrote to memory of 2244	2700	Gwogw.exe	Gwogw.exe
PID 2700 wrote to memory of 2244	2700	Gwogw.exe	Gwogw.exe
PID 2700 wrote to memory of 2244	2700	Gwogw.exe	Gwogw.exe
PID 2176 wrote to memory of 2880	2176	cmd.exe	PING.EXE
PID 2176 wrote to memory of 2880	2176	cmd.exe	PING.EXE
PID 2176 wrote to memory of 2880	2176	cmd.exe	PING.EXE
PID 2176 wrote to memory of 2880	2176	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\9f7c805d50916259326b45cec79416b6fc0804b89b58ad1389cdfc782a8737ff.exe
"C:\Users\Admin\AppData\Local\Temp\9f7c805d50916259326b45cec79416b6fc0804b89b58ad1389cdfc782a8737ff.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2168
- 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\9F7C80~1.EXE > nul
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:2176
- - 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:2880

C:\Windows\SysWOW64\Gwogw.exe
C:\Windows\SysWOW64\Gwogw.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2700
- C:\Windows\SysWOW64\Gwogw.exe
  C:\Windows\SysWOW64\Gwogw.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:2244

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\Gwogw.exe

Filesize
1.3MB

MD5
152ee6686e7b6f11d8265f9df8510148

SHA1
710c4ae02e158b9fd47a2716b1929ded0cc068b7

SHA256
9f7c805d50916259326b45cec79416b6fc0804b89b58ad1389cdfc782a8737ff

SHA512
ae49b7816c3fcbd455d887fa3843a5e95a2045e26952175ab5cb386d217d4acf2fb16571524af628306dfd1be150da720fed732e0829ec75ce300d14f1964809

Download Submit
memory/2168-0-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download
memory/2244-18-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads