gh0strat | d8964bcfca3565c73b50bc677629cde912258c23337ee5525017a5799fb175c5

General

Target

d8964bcfca3565c73b50bc677629cde912258c23337ee5525017a5799fb175c5N.exe
Size

1.4MB
MD5

fb3f209a3cc6a1476c41cff254891230
SHA1

c59fec012d4c98ff0be70703484d09344563bc0e
SHA256

d8964bcfca3565c73b50bc677629cde912258c23337ee5525017a5799fb175c5
SHA512

08154b2276605edeb59304f17b0ee20fa870b88ee975cc0856a721a6dc0b9224cef0fd5d60cf339a91ad34f3aece4d4be55de9947c31698c14d399f9d1727d07
SSDEEP

24576:F39WkOyHutimZ9VSly2hVvHW6qMnSbTBBhBMN:59qHPkVOBTK

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan

Malware Config

Signatures

Detect PurpleFox Rootkit 3 IoCs

Detect PurpleFox Rootkit.

rootkit

Processes:

resource	yara_rule
behavioral2/memory/4516-0-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit
behavioral2/memory/4540-10-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit
behavioral2/memory/4624-17-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4516-0-0x0000000010000000-0x000000001019F000-memory.dmp	family_gh0strat
behavioral2/memory/4540-10-0x0000000010000000-0x000000001019F000-memory.dmp	family_gh0strat
behavioral2/memory/4624-17-0x0000000010000000-0x000000001019F000-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

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
Executes dropped EXE 2 IoCs

Processes:

Gwogw.exeGwogw.exe

pid process

4540 Gwogw.exe
4624 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
4540	Gwogw.exe
4624	Gwogw.exe

Drops file in System32 directory 2 IoCs

Processes:

d8964bcfca3565c73b50bc677629cde912258c23337ee5525017a5799fb175c5N.exe

description	ioc	process
File created	C:\Windows\SysWOW64\Gwogw.exe	d8964bcfca3565c73b50bc677629cde912258c23337ee5525017a5799fb175c5N.exe
File opened for modification	C:\Windows\SysWOW64\Gwogw.exe	d8964bcfca3565c73b50bc677629cde912258c23337ee5525017a5799fb175c5N.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:

d8964bcfca3565c73b50bc677629cde912258c23337ee5525017a5799fb175c5N.exeGwogw.exeGwogw.execmd.exePING.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d8964bcfca3565c73b50bc677629cde912258c23337ee5525017a5799fb175c5N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Gwogw.exe
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

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

2424 cmd.exe
3472 PING.EXE
Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3472 PING.EXE
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

Gwogw.exe

pid process

4624 Gwogw.exe

pid	process
2424	cmd.exe
3472	PING.EXE

pid	process
3472	PING.EXE

pid	process
4624	Gwogw.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

d8964bcfca3565c73b50bc677629cde912258c23337ee5525017a5799fb175c5N.exeGwogw.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	4516	d8964bcfca3565c73b50bc677629cde912258c23337ee5525017a5799fb175c5N.exe
Token: SeLoadDriverPrivilege	4624	Gwogw.exe
Token: 33	4624	Gwogw.exe
Token: SeIncBasePriorityPrivilege	4624	Gwogw.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

Gwogw.exed8964bcfca3565c73b50bc677629cde912258c23337ee5525017a5799fb175c5N.execmd.exe

description	pid	process	target process
PID 4540 wrote to memory of 4624	4540	Gwogw.exe	Gwogw.exe
PID 4540 wrote to memory of 4624	4540	Gwogw.exe	Gwogw.exe
PID 4540 wrote to memory of 4624	4540	Gwogw.exe	Gwogw.exe
PID 4516 wrote to memory of 2424	4516	d8964bcfca3565c73b50bc677629cde912258c23337ee5525017a5799fb175c5N.exe	cmd.exe
PID 4516 wrote to memory of 2424	4516	d8964bcfca3565c73b50bc677629cde912258c23337ee5525017a5799fb175c5N.exe	cmd.exe
PID 4516 wrote to memory of 2424	4516	d8964bcfca3565c73b50bc677629cde912258c23337ee5525017a5799fb175c5N.exe	cmd.exe
PID 2424 wrote to memory of 3472	2424	cmd.exe	PING.EXE
PID 2424 wrote to memory of 3472	2424	cmd.exe	PING.EXE
PID 2424 wrote to memory of 3472	2424	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\d8964bcfca3565c73b50bc677629cde912258c23337ee5525017a5799fb175c5N.exe
"C:\Users\Admin\AppData\Local\Temp\d8964bcfca3565c73b50bc677629cde912258c23337ee5525017a5799fb175c5N.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4516
- 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\D8964B~1.EXE > nul
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:2424
- - 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:3472

C:\Windows\SysWOW64\Gwogw.exe
C:\Windows\SysWOW64\Gwogw.exe -auto
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4540
- 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:4624

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
1.4MB

MD5
fb3f209a3cc6a1476c41cff254891230

SHA1
c59fec012d4c98ff0be70703484d09344563bc0e

SHA256
d8964bcfca3565c73b50bc677629cde912258c23337ee5525017a5799fb175c5

SHA512
08154b2276605edeb59304f17b0ee20fa870b88ee975cc0856a721a6dc0b9224cef0fd5d60cf339a91ad34f3aece4d4be55de9947c31698c14d399f9d1727d07

Download Submit
memory/4516-0-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download
memory/4540-10-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download
memory/4624-17-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads