gh0strat | ebc85c4cc8dacfeddfc959a9c7b8802b2ebe55a8d2708f479d4d2ee64c5769df

General

Target

ebc85c4cc8dacfeddfc959a9c7b8802b2ebe55a8d2708f479d4d2ee64c5769df.exe
Size

1.3MB
MD5

fbffe1f3e4bad069818e2dad273c8742
SHA1

8ffbc55d453d5581562207c452662b958fb6d616
SHA256

ebc85c4cc8dacfeddfc959a9c7b8802b2ebe55a8d2708f479d4d2ee64c5769df
SHA512

f3084f1425dae81d69f90ae4b62e6598931b8f839a69059adf9fa17f5542d50cf6cf5733a9f1186d017a68be128809f7faf4d353e317d7d5ea9fff0adf937007
SSDEEP

24576:gOyHutimZ9VSly2hVvHW6qMnSbTBBhBMN6uyzhyz:pHPkVOBTK

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/4824-0-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit
behavioral2/memory/4472-11-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit
behavioral2/memory/3360-17-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 3 IoCs

resource	yara_rule
behavioral2/memory/4824-0-0x0000000010000000-0x000000001019F000-memory.dmp	family_gh0strat
behavioral2/memory/4472-11-0x0000000010000000-0x000000001019F000-memory.dmp	family_gh0strat
behavioral2/memory/3360-17-0x0000000010000000-0x000000001019F000-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	sainbox.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"	sainbox.exe

Executes dropped EXE 2 IoCs

pid	Process
4472	sainbox.exe
3360	sainbox.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\sainbox.exe	ebc85c4cc8dacfeddfc959a9c7b8802b2ebe55a8d2708f479d4d2ee64c5769df.exe
File opened for modification	C:\Windows\SysWOW64\sainbox.exe	ebc85c4cc8dacfeddfc959a9c7b8802b2ebe55a8d2708f479d4d2ee64c5769df.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	ebc85c4cc8dacfeddfc959a9c7b8802b2ebe55a8d2708f479d4d2ee64c5769df.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sainbox.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sainbox.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
664	cmd.exe
3548	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
3548	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
3360	sainbox.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	4824	ebc85c4cc8dacfeddfc959a9c7b8802b2ebe55a8d2708f479d4d2ee64c5769df.exe
Token: SeLoadDriverPrivilege	3360	sainbox.exe
Token: 33	3360	sainbox.exe
Token: SeIncBasePriorityPrivilege	3360	sainbox.exe
Token: 33	3360	sainbox.exe
Token: SeIncBasePriorityPrivilege	3360	sainbox.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4824 wrote to memory of 664	4824	ebc85c4cc8dacfeddfc959a9c7b8802b2ebe55a8d2708f479d4d2ee64c5769df.exe	86
PID 4824 wrote to memory of 664	4824	ebc85c4cc8dacfeddfc959a9c7b8802b2ebe55a8d2708f479d4d2ee64c5769df.exe	86
PID 4824 wrote to memory of 664	4824	ebc85c4cc8dacfeddfc959a9c7b8802b2ebe55a8d2708f479d4d2ee64c5769df.exe	86
PID 4472 wrote to memory of 3360	4472	sainbox.exe	88
PID 4472 wrote to memory of 3360	4472	sainbox.exe	88
PID 4472 wrote to memory of 3360	4472	sainbox.exe	88
PID 664 wrote to memory of 3548	664	cmd.exe	89
PID 664 wrote to memory of 3548	664	cmd.exe	89
PID 664 wrote to memory of 3548	664	cmd.exe	89

C:\Users\Admin\AppData\Local\Temp\ebc85c4cc8dacfeddfc959a9c7b8802b2ebe55a8d2708f479d4d2ee64c5769df.exe
"C:\Users\Admin\AppData\Local\Temp\ebc85c4cc8dacfeddfc959a9c7b8802b2ebe55a8d2708f479d4d2ee64c5769df.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4824
- 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\EBC85C~1.EXE > nul
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:664
- - 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:3548

C:\Windows\SysWOW64\sainbox.exe
C:\Windows\SysWOW64\sainbox.exe -auto
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4472
- C:\Windows\SysWOW64\sainbox.exe
  C:\Windows\SysWOW64\sainbox.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:3360

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\sainbox.exe

Filesize
1.3MB

MD5
fbffe1f3e4bad069818e2dad273c8742

SHA1
8ffbc55d453d5581562207c452662b958fb6d616

SHA256
ebc85c4cc8dacfeddfc959a9c7b8802b2ebe55a8d2708f479d4d2ee64c5769df

SHA512
f3084f1425dae81d69f90ae4b62e6598931b8f839a69059adf9fa17f5542d50cf6cf5733a9f1186d017a68be128809f7faf4d353e317d7d5ea9fff0adf937007

Download Submit
memory/3360-17-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download
memory/4472-11-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download
memory/4824-0-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads