gh0strat | d6afbaffe5ad3be7e31c0017609eaa4a419584027c40d64816cd564ba27acac7

General

Target

d6afbaffe5ad3be7e31c0017609eaa4a419584027c40d64816cd564ba27acac7.exe
Size

1.3MB
MD5

b5718829ec31d241ebeeabcb8da95dc3
SHA1

c2f0b90cdfab3af5ee6c7c8e114d12934010afc8
SHA256

d6afbaffe5ad3be7e31c0017609eaa4a419584027c40d64816cd564ba27acac7
SHA512

d766eac1e8115df6a3cc619216e8a2f82920b9258da0c0ff04168288db257d03ec7a33a2f9237151c88101eb0b61b9d1a0bdb417504b1a244367ead45a786d74
SSDEEP

24576:dOyHutimZ9VSly2hVvHW6qMnSbTBBhBMN9: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/2328-0-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit
behavioral2/memory/3728-11-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit
behavioral2/memory/4504-17-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 3 IoCs

resource	yara_rule
behavioral2/memory/2328-0-0x0000000010000000-0x000000001019F000-memory.dmp	family_gh0strat
behavioral2/memory/3728-11-0x0000000010000000-0x000000001019F000-memory.dmp	family_gh0strat
behavioral2/memory/4504-17-0x0000000010000000-0x000000001019F000-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
3728	sainbox.exe
4504	sainbox.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\sainbox.exe	d6afbaffe5ad3be7e31c0017609eaa4a419584027c40d64816cd564ba27acac7.exe
File opened for modification	C:\Windows\SysWOW64\sainbox.exe	d6afbaffe5ad3be7e31c0017609eaa4a419584027c40d64816cd564ba27acac7.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	d6afbaffe5ad3be7e31c0017609eaa4a419584027c40d64816cd564ba27acac7.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
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
4976	cmd.exe
700	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
700	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
4504	sainbox.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2328	d6afbaffe5ad3be7e31c0017609eaa4a419584027c40d64816cd564ba27acac7.exe
Token: SeLoadDriverPrivilege	4504	sainbox.exe
Token: 33	4504	sainbox.exe
Token: SeIncBasePriorityPrivilege	4504	sainbox.exe
Token: 33	4504	sainbox.exe
Token: SeIncBasePriorityPrivilege	4504	sainbox.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2328 wrote to memory of 4976	2328	d6afbaffe5ad3be7e31c0017609eaa4a419584027c40d64816cd564ba27acac7.exe	84
PID 2328 wrote to memory of 4976	2328	d6afbaffe5ad3be7e31c0017609eaa4a419584027c40d64816cd564ba27acac7.exe	84
PID 2328 wrote to memory of 4976	2328	d6afbaffe5ad3be7e31c0017609eaa4a419584027c40d64816cd564ba27acac7.exe	84
PID 3728 wrote to memory of 4504	3728	sainbox.exe	85
PID 3728 wrote to memory of 4504	3728	sainbox.exe	85
PID 3728 wrote to memory of 4504	3728	sainbox.exe	85
PID 4976 wrote to memory of 700	4976	cmd.exe	87
PID 4976 wrote to memory of 700	4976	cmd.exe	87
PID 4976 wrote to memory of 700	4976	cmd.exe	87

C:\Users\Admin\AppData\Local\Temp\d6afbaffe5ad3be7e31c0017609eaa4a419584027c40d64816cd564ba27acac7.exe
"C:\Users\Admin\AppData\Local\Temp\d6afbaffe5ad3be7e31c0017609eaa4a419584027c40d64816cd564ba27acac7.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2328
- 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\D6AFBA~1.EXE > nul
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:4976
- - 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:700

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:3728
- 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:4504

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
b5718829ec31d241ebeeabcb8da95dc3

SHA1
c2f0b90cdfab3af5ee6c7c8e114d12934010afc8

SHA256
d6afbaffe5ad3be7e31c0017609eaa4a419584027c40d64816cd564ba27acac7

SHA512
d766eac1e8115df6a3cc619216e8a2f82920b9258da0c0ff04168288db257d03ec7a33a2f9237151c88101eb0b61b9d1a0bdb417504b1a244367ead45a786d74

Download Submit
memory/2328-0-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download
memory/3728-11-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download
memory/4504-17-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads