gh0strat | d67499ddc7039ddd1e650bceb21fe743f598461bf665268fdf2663a585203b54

General

Target

d67499ddc7039ddd1e650bceb21fe743f598461bf665268fdf2663a585203b54.exe
Size

1.4MB
MD5

1770cf18748c082408c26e24126c269c
SHA1

ebb03e48a34055833e261a5950d8f94b209930fe
SHA256

d67499ddc7039ddd1e650bceb21fe743f598461bf665268fdf2663a585203b54
SHA512

756dc1f504219544b6e8105833c10e187f39c78d930d09675228bdb05826c888314a7ae4b968b153fbffbe2f1de09cfeba42c6bf547c3db9db0d088ad8e67d6f
SSDEEP

24576:F39WaOyHutimZ9VSly2hVvHW6qMnSbTBBhBMN:598HPkVOBTK

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/2308-0-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit
behavioral1/memory/2848-18-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 2 IoCs

resource	yara_rule
behavioral1/memory/2308-0-0x0000000010000000-0x000000001019F000-memory.dmp	family_gh0strat
behavioral1/memory/2848-18-0x0000000010000000-0x000000001019F000-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	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

Deletes itself 1 IoCs

pid	Process
2916	cmd.exe

Executes dropped EXE 2 IoCs

pid	Process
2252	sainbox.exe
2848	sainbox.exe

Loads dropped DLL 1 IoCs

pid	Process
2252	sainbox.exe

Enumerates connected drives 3 TTPs 22 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\L:	sainbox.exe
File opened (read-only)	\??\N:	sainbox.exe
File opened (read-only)	\??\S:	sainbox.exe
File opened (read-only)	\??\T:	sainbox.exe
File opened (read-only)	\??\U:	sainbox.exe
File opened (read-only)	\??\Z:	sainbox.exe
File opened (read-only)	\??\B:	sainbox.exe
File opened (read-only)	\??\H:	sainbox.exe
File opened (read-only)	\??\M:	sainbox.exe
File opened (read-only)	\??\P:	sainbox.exe
File opened (read-only)	\??\R:	sainbox.exe
File opened (read-only)	\??\E:	sainbox.exe
File opened (read-only)	\??\G:	sainbox.exe
File opened (read-only)	\??\V:	sainbox.exe
File opened (read-only)	\??\W:	sainbox.exe
File opened (read-only)	\??\K:	sainbox.exe
File opened (read-only)	\??\Q:	sainbox.exe
File opened (read-only)	\??\O:	sainbox.exe
File opened (read-only)	\??\X:	sainbox.exe
File opened (read-only)	\??\Y:	sainbox.exe
File opened (read-only)	\??\I:	sainbox.exe
File opened (read-only)	\??\J:	sainbox.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\sainbox.exe	d67499ddc7039ddd1e650bceb21fe743f598461bf665268fdf2663a585203b54.exe
File opened for modification	C:\Windows\SysWOW64\sainbox.exe	d67499ddc7039ddd1e650bceb21fe743f598461bf665268fdf2663a585203b54.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	d67499ddc7039ddd1e650bceb21fe743f598461bf665268fdf2663a585203b54.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
2916	cmd.exe
3024	PING.EXE

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	sainbox.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	sainbox.exe

Modifies data under HKEY_USERS 11 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	sainbox.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum	sainbox.exe
Key created	\REGISTRY\USER\.DEFAULT\Software	sainbox.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft	sainbox.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie	sainbox.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum\Version = "7"	sainbox.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	sainbox.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	sainbox.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	sainbox.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	sainbox.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	sainbox.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
3024	PING.EXE

Suspicious behavior: EnumeratesProcesses 33 IoCs

pid	Process
2848	sainbox.exe
2848	sainbox.exe
2848	sainbox.exe
2848	sainbox.exe
2848	sainbox.exe
2848	sainbox.exe
2848	sainbox.exe
2848	sainbox.exe
2848	sainbox.exe
2848	sainbox.exe
2848	sainbox.exe
2848	sainbox.exe
2848	sainbox.exe
2848	sainbox.exe
2848	sainbox.exe
2848	sainbox.exe
2848	sainbox.exe
2848	sainbox.exe
2848	sainbox.exe
2848	sainbox.exe
2848	sainbox.exe
2848	sainbox.exe
2848	sainbox.exe
2848	sainbox.exe
2848	sainbox.exe
2848	sainbox.exe
2848	sainbox.exe
2848	sainbox.exe
2848	sainbox.exe
2848	sainbox.exe
2848	sainbox.exe
2848	sainbox.exe
2848	sainbox.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2848	sainbox.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2308	d67499ddc7039ddd1e650bceb21fe743f598461bf665268fdf2663a585203b54.exe
Token: SeLoadDriverPrivilege	2848	sainbox.exe
Token: 33	2848	sainbox.exe
Token: SeIncBasePriorityPrivilege	2848	sainbox.exe
Token: 33	2848	sainbox.exe
Token: SeIncBasePriorityPrivilege	2848	sainbox.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2252 wrote to memory of 2848	2252	sainbox.exe	31
PID 2252 wrote to memory of 2848	2252	sainbox.exe	31
PID 2252 wrote to memory of 2848	2252	sainbox.exe	31
PID 2252 wrote to memory of 2848	2252	sainbox.exe	31
PID 2308 wrote to memory of 2916	2308	d67499ddc7039ddd1e650bceb21fe743f598461bf665268fdf2663a585203b54.exe	32
PID 2308 wrote to memory of 2916	2308	d67499ddc7039ddd1e650bceb21fe743f598461bf665268fdf2663a585203b54.exe	32
PID 2308 wrote to memory of 2916	2308	d67499ddc7039ddd1e650bceb21fe743f598461bf665268fdf2663a585203b54.exe	32
PID 2308 wrote to memory of 2916	2308	d67499ddc7039ddd1e650bceb21fe743f598461bf665268fdf2663a585203b54.exe	32
PID 2916 wrote to memory of 3024	2916	cmd.exe	34
PID 2916 wrote to memory of 3024	2916	cmd.exe	34
PID 2916 wrote to memory of 3024	2916	cmd.exe	34
PID 2916 wrote to memory of 3024	2916	cmd.exe	34

C:\Users\Admin\AppData\Local\Temp\d67499ddc7039ddd1e650bceb21fe743f598461bf665268fdf2663a585203b54.exe
"C:\Users\Admin\AppData\Local\Temp\d67499ddc7039ddd1e650bceb21fe743f598461bf665268fdf2663a585203b54.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2308
- 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\D67499~1.EXE > nul
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:2916
- - 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:3024

C:\Windows\SysWOW64\sainbox.exe
C:\Windows\SysWOW64\sainbox.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2252
- 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
  - Enumerates connected drives
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Modifies data under HKEY_USERS
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: LoadsDriver
  - Suspicious use of AdjustPrivilegeToken
  PID:2848

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

Peripheral Device Discovery

Query Registry

Remote System Discovery

1

T1018

System Information Discovery

2

T1082

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
1.4MB

MD5
1770cf18748c082408c26e24126c269c

SHA1
ebb03e48a34055833e261a5950d8f94b209930fe

SHA256
d67499ddc7039ddd1e650bceb21fe743f598461bf665268fdf2663a585203b54

SHA512
756dc1f504219544b6e8105833c10e187f39c78d930d09675228bdb05826c888314a7ae4b968b153fbffbe2f1de09cfeba42c6bf547c3db9db0d088ad8e67d6f

Download Submit
memory/2308-0-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download
memory/2848-18-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads