gh0strat | 60e6634fe10d96f5d3032503ea265f9d76766655ee68c120cdb0683a1d7aa50c

Analysis

max time kernel
120s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
21-09-2024 10:30

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

60e6634fe10d96f5d3032503ea265f9d76766655ee68c120cdb0683a1d7aa50c.exe
Size

1.4MB
MD5

4cb7bd6ccd252f5c48fa8fd1eec82b71
SHA1

89ea965e9af6cfbdf16fa6b31f9c5d13d7eef11c
SHA256

60e6634fe10d96f5d3032503ea265f9d76766655ee68c120cdb0683a1d7aa50c
SHA512

4e09af7c042a9f41b6a3ee78c8730de7f879a44400c35496d6456b49a4c544268e7e9cc73ce024fa5f7d486c2105f67420863d502eefbeffdb5ba9982251b9bc
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
behavioral2/memory/3352-0-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit
behavioral2/memory/3576-10-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 2 IoCs

resource	yara_rule
behavioral2/memory/3352-0-0x0000000010000000-0x000000001019F000-memory.dmp	family_gh0strat
behavioral2/memory/3576-10-0x0000000010000000-0x000000001019F000-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
PurpleFox
PurpleFox is an exploit kit used to distribute other malware families and first seen in 2018.
rootkit trojan purplefox

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File created	C:\Windows\system32\drivers\QAssist.sys	Abcst.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"	Abcst.exe

Executes dropped EXE 2 IoCs

pid	Process
3576	Abcst.exe
4544	Abcst.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)	\??\I:	Abcst.exe
File opened (read-only)	\??\K:	Abcst.exe
File opened (read-only)	\??\Q:	Abcst.exe
File opened (read-only)	\??\R:	Abcst.exe
File opened (read-only)	\??\U:	Abcst.exe
File opened (read-only)	\??\V:	Abcst.exe
File opened (read-only)	\??\E:	Abcst.exe
File opened (read-only)	\??\G:	Abcst.exe
File opened (read-only)	\??\Z:	Abcst.exe
File opened (read-only)	\??\M:	Abcst.exe
File opened (read-only)	\??\S:	Abcst.exe
File opened (read-only)	\??\B:	Abcst.exe
File opened (read-only)	\??\H:	Abcst.exe
File opened (read-only)	\??\P:	Abcst.exe
File opened (read-only)	\??\T:	Abcst.exe
File opened (read-only)	\??\J:	Abcst.exe
File opened (read-only)	\??\L:	Abcst.exe
File opened (read-only)	\??\W:	Abcst.exe
File opened (read-only)	\??\X:	Abcst.exe
File opened (read-only)	\??\Y:	Abcst.exe
File opened (read-only)	\??\N:	Abcst.exe
File opened (read-only)	\??\O:	Abcst.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Abcst.exe	60e6634fe10d96f5d3032503ea265f9d76766655ee68c120cdb0683a1d7aa50c.exe
File opened for modification	C:\Windows\SysWOW64\Abcst.exe	60e6634fe10d96f5d3032503ea265f9d76766655ee68c120cdb0683a1d7aa50c.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	60e6634fe10d96f5d3032503ea265f9d76766655ee68c120cdb0683a1d7aa50c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Abcst.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Abcst.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
4764	cmd.exe
2740	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	Abcst.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	Abcst.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie	Abcst.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum\Version = "7"	Abcst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum	Abcst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software	Abcst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft	Abcst.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2740	PING.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4544	Abcst.exe
4544	Abcst.exe
4544	Abcst.exe
4544	Abcst.exe
4544	Abcst.exe
4544	Abcst.exe
4544	Abcst.exe
4544	Abcst.exe
4544	Abcst.exe
4544	Abcst.exe
4544	Abcst.exe
4544	Abcst.exe
4544	Abcst.exe
4544	Abcst.exe
4544	Abcst.exe
4544	Abcst.exe
4544	Abcst.exe
4544	Abcst.exe
4544	Abcst.exe
4544	Abcst.exe
4544	Abcst.exe
4544	Abcst.exe
4544	Abcst.exe
4544	Abcst.exe
4544	Abcst.exe
4544	Abcst.exe
4544	Abcst.exe
4544	Abcst.exe
4544	Abcst.exe
4544	Abcst.exe
4544	Abcst.exe
4544	Abcst.exe
4544	Abcst.exe
4544	Abcst.exe
4544	Abcst.exe
4544	Abcst.exe
4544	Abcst.exe
4544	Abcst.exe
4544	Abcst.exe
4544	Abcst.exe
4544	Abcst.exe
4544	Abcst.exe
4544	Abcst.exe
4544	Abcst.exe
4544	Abcst.exe
4544	Abcst.exe
4544	Abcst.exe
4544	Abcst.exe
4544	Abcst.exe
4544	Abcst.exe
4544	Abcst.exe
4544	Abcst.exe
4544	Abcst.exe
4544	Abcst.exe
4544	Abcst.exe
4544	Abcst.exe
4544	Abcst.exe
4544	Abcst.exe
4544	Abcst.exe
4544	Abcst.exe
4544	Abcst.exe
4544	Abcst.exe
4544	Abcst.exe
4544	Abcst.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
4544	Abcst.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	3352	60e6634fe10d96f5d3032503ea265f9d76766655ee68c120cdb0683a1d7aa50c.exe
Token: SeLoadDriverPrivilege	4544	Abcst.exe
Token: 33	4544	Abcst.exe
Token: SeIncBasePriorityPrivilege	4544	Abcst.exe
Token: 33	4544	Abcst.exe
Token: SeIncBasePriorityPrivilege	4544	Abcst.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3352 wrote to memory of 4764	3352	60e6634fe10d96f5d3032503ea265f9d76766655ee68c120cdb0683a1d7aa50c.exe	83
PID 3352 wrote to memory of 4764	3352	60e6634fe10d96f5d3032503ea265f9d76766655ee68c120cdb0683a1d7aa50c.exe	83
PID 3352 wrote to memory of 4764	3352	60e6634fe10d96f5d3032503ea265f9d76766655ee68c120cdb0683a1d7aa50c.exe	83
PID 3576 wrote to memory of 4544	3576	Abcst.exe	84
PID 3576 wrote to memory of 4544	3576	Abcst.exe	84
PID 3576 wrote to memory of 4544	3576	Abcst.exe	84
PID 4764 wrote to memory of 2740	4764	cmd.exe	86
PID 4764 wrote to memory of 2740	4764	cmd.exe	86
PID 4764 wrote to memory of 2740	4764	cmd.exe	86

C:\Users\Admin\AppData\Local\Temp\60e6634fe10d96f5d3032503ea265f9d76766655ee68c120cdb0683a1d7aa50c.exe
"C:\Users\Admin\AppData\Local\Temp\60e6634fe10d96f5d3032503ea265f9d76766655ee68c120cdb0683a1d7aa50c.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3352
- 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\60E663~1.EXE > nul
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:4764
- - 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:2740

C:\Windows\SysWOW64\Abcst.exe
C:\Windows\SysWOW64\Abcst.exe -auto
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3576
- C:\Windows\SysWOW64\Abcst.exe
  C:\Windows\SysWOW64\Abcst.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:4544

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\SysWOW64\Abcst.exe

Filesize
1.4MB

MD5
4cb7bd6ccd252f5c48fa8fd1eec82b71

SHA1
89ea965e9af6cfbdf16fa6b31f9c5d13d7eef11c

SHA256
60e6634fe10d96f5d3032503ea265f9d76766655ee68c120cdb0683a1d7aa50c

SHA512
4e09af7c042a9f41b6a3ee78c8730de7f879a44400c35496d6456b49a4c544268e7e9cc73ce024fa5f7d486c2105f67420863d502eefbeffdb5ba9982251b9bc

Download Submit
memory/3352-0-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download
memory/3576-10-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download