gh0strat | 13865fc1b24aba80c30a353b9a707bde93e5cfa8097b2bbcc3a5e158cac45e68

Analysis

max time kernel
134s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
11-12-2024 18:09

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General

Target

13865fc1b24aba80c30a353b9a707bde93e5cfa8097b2bbcc3a5e158cac45e68.exe
Size

1.3MB
MD5

7b73e46389fbff427059ee9d6691a7c1
SHA1

f449327faa3f233a9e3b98e2b27a7eedc670748e
SHA256

13865fc1b24aba80c30a353b9a707bde93e5cfa8097b2bbcc3a5e158cac45e68
SHA512

e8a21d04b1ab2c82c3416b26ee94360bcce13e55cbbd0f973bf1f83b3e069c155365538677c1356bf3ea114418a0e89077b0c2b1f8ab2b5d0560ba2fe13a74db
SSDEEP

24576:JOyHutimZ9VSly2hVvHW6qMnSbTBBhBMNrJ:EHPkVOBTKd

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
behavioral2/memory/4796-0-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit
behavioral2/memory/912-11-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 2 IoCs

resource	yara_rule
behavioral2/memory/4796-0-0x0000000010000000-0x000000001019F000-memory.dmp	family_gh0strat
behavioral2/memory/912-11-0x0000000010000000-0x000000001019F000-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
912	sainbox.exe
4264	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)	\??\W:	sainbox.exe
File opened (read-only)	\??\L:	sainbox.exe
File opened (read-only)	\??\M:	sainbox.exe
File opened (read-only)	\??\Q:	sainbox.exe
File opened (read-only)	\??\V:	sainbox.exe
File opened (read-only)	\??\E:	sainbox.exe
File opened (read-only)	\??\H:	sainbox.exe
File opened (read-only)	\??\I:	sainbox.exe
File opened (read-only)	\??\N:	sainbox.exe
File opened (read-only)	\??\O:	sainbox.exe
File opened (read-only)	\??\S:	sainbox.exe
File opened (read-only)	\??\Y:	sainbox.exe
File opened (read-only)	\??\G:	sainbox.exe
File opened (read-only)	\??\J:	sainbox.exe
File opened (read-only)	\??\K:	sainbox.exe
File opened (read-only)	\??\P:	sainbox.exe
File opened (read-only)	\??\R:	sainbox.exe
File opened (read-only)	\??\T:	sainbox.exe
File opened (read-only)	\??\U:	sainbox.exe
File opened (read-only)	\??\X:	sainbox.exe
File opened (read-only)	\??\B:	sainbox.exe
File opened (read-only)	\??\Z:	sainbox.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	13865fc1b24aba80c30a353b9a707bde93e5cfa8097b2bbcc3a5e158cac45e68.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sainbox.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sainbox.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
5036	cmd.exe
1956	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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	sainbox.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	sainbox.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
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\ActiveMovie\devenum	sainbox.exe
Key created	\REGISTRY\USER\.DEFAULT\Software	sainbox.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1956	PING.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4264	sainbox.exe
4264	sainbox.exe
4264	sainbox.exe
4264	sainbox.exe
4264	sainbox.exe
4264	sainbox.exe
4264	sainbox.exe
4264	sainbox.exe
4264	sainbox.exe
4264	sainbox.exe
4264	sainbox.exe
4264	sainbox.exe
4264	sainbox.exe
4264	sainbox.exe
4264	sainbox.exe
4264	sainbox.exe
4264	sainbox.exe
4264	sainbox.exe
4264	sainbox.exe
4264	sainbox.exe
4264	sainbox.exe
4264	sainbox.exe
4264	sainbox.exe
4264	sainbox.exe
4264	sainbox.exe
4264	sainbox.exe
4264	sainbox.exe
4264	sainbox.exe
4264	sainbox.exe
4264	sainbox.exe
4264	sainbox.exe
4264	sainbox.exe
4264	sainbox.exe
4264	sainbox.exe
4264	sainbox.exe
4264	sainbox.exe
4264	sainbox.exe
4264	sainbox.exe
4264	sainbox.exe
4264	sainbox.exe
4264	sainbox.exe
4264	sainbox.exe
4264	sainbox.exe
4264	sainbox.exe
4264	sainbox.exe
4264	sainbox.exe
4264	sainbox.exe
4264	sainbox.exe
4264	sainbox.exe
4264	sainbox.exe
4264	sainbox.exe
4264	sainbox.exe
4264	sainbox.exe
4264	sainbox.exe
4264	sainbox.exe
4264	sainbox.exe
4264	sainbox.exe
4264	sainbox.exe
4264	sainbox.exe
4264	sainbox.exe
4264	sainbox.exe
4264	sainbox.exe
4264	sainbox.exe
4264	sainbox.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
4264	sainbox.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	4796	13865fc1b24aba80c30a353b9a707bde93e5cfa8097b2bbcc3a5e158cac45e68.exe
Token: SeLoadDriverPrivilege	4264	sainbox.exe
Token: 33	4264	sainbox.exe
Token: SeIncBasePriorityPrivilege	4264	sainbox.exe
Token: 33	4264	sainbox.exe
Token: SeIncBasePriorityPrivilege	4264	sainbox.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4796 wrote to memory of 5036	4796	13865fc1b24aba80c30a353b9a707bde93e5cfa8097b2bbcc3a5e158cac45e68.exe	84
PID 4796 wrote to memory of 5036	4796	13865fc1b24aba80c30a353b9a707bde93e5cfa8097b2bbcc3a5e158cac45e68.exe	84
PID 4796 wrote to memory of 5036	4796	13865fc1b24aba80c30a353b9a707bde93e5cfa8097b2bbcc3a5e158cac45e68.exe	84
PID 912 wrote to memory of 4264	912	sainbox.exe	85
PID 912 wrote to memory of 4264	912	sainbox.exe	85
PID 912 wrote to memory of 4264	912	sainbox.exe	85
PID 5036 wrote to memory of 1956	5036	cmd.exe	87
PID 5036 wrote to memory of 1956	5036	cmd.exe	87
PID 5036 wrote to memory of 1956	5036	cmd.exe	87

C:\Users\Admin\AppData\Local\Temp\13865fc1b24aba80c30a353b9a707bde93e5cfa8097b2bbcc3a5e158cac45e68.exe
"C:\Users\Admin\AppData\Local\Temp\13865fc1b24aba80c30a353b9a707bde93e5cfa8097b2bbcc3a5e158cac45e68.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4796
- 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\13865F~1.EXE > nul
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:5036
- - 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:1956

C:\ProgramData\Application Data\DRM\sainbox.exe
"C:\ProgramData\Application Data\DRM\sainbox.exe" -auto
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:912
- C:\ProgramData\Application Data\DRM\sainbox.exe
  "C:\ProgramData\Application Data\DRM\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:4264

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

Remote System Discovery

T1018

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\DRM\sainbox.exe

Filesize
1.3MB

MD5
7b73e46389fbff427059ee9d6691a7c1

SHA1
f449327faa3f233a9e3b98e2b27a7eedc670748e

SHA256
13865fc1b24aba80c30a353b9a707bde93e5cfa8097b2bbcc3a5e158cac45e68

SHA512
e8a21d04b1ab2c82c3416b26ee94360bcce13e55cbbd0f973bf1f83b3e069c155365538677c1356bf3ea114418a0e89077b0c2b1f8ab2b5d0560ba2fe13a74db

Download Submit
memory/912-11-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download
memory/4796-0-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download