gh0strat | d1a4309a0ca0c21b3c711a1c43ec1f1eb2edc19337496402726cbd688b12ee3c

General

Target

d1a4309a0ca0c21b3c711a1c43ec1f1eb2edc19337496402726cbd688b12ee3c.exe
Size

1.4MB
MD5

cc8b4dcd81fb396033430c13d4d15c5a
SHA1

878df9a61fc0898fb20bdbac49f2f757da69e50d
SHA256

d1a4309a0ca0c21b3c711a1c43ec1f1eb2edc19337496402726cbd688b12ee3c
SHA512

6a863c8419c639eb52a63e8f63e51c03536f40330c62818db0b0b62823f470e4a77a340c79864946879381ab4b4acfb023978e69f54994f7fce2cfc39083a975
SSDEEP

24576:F39WkOyHutimZ9VSly2hVvHW6qMnSbTBBhBMN:59qHPkVOBTK

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan

Malware Config

Signatures

Detect PurpleFox Rootkit 3 IoCs

Detect PurpleFox Rootkit.

rootkit

Processes:

resource	yara_rule
behavioral2/memory/1112-0-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit
behavioral2/memory/4644-10-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit
behavioral2/memory/5000-17-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1112-0-0x0000000010000000-0x000000001019F000-memory.dmp	family_gh0strat
behavioral2/memory/4644-10-0x0000000010000000-0x000000001019F000-memory.dmp	family_gh0strat
behavioral2/memory/5000-17-0x0000000010000000-0x000000001019F000-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

Processes:

svchosts.exe

description ioc process

File created C:\Windows\system32\drivers\QAssist.sys svchosts.exe
Sets service image path in registry 2 TTPs 1 IoCs
persistence

Registry Run Keys / Startup Folder
T1547.001

Modify Registry
T1112

Processes:

svchosts.exe

description ioc process

Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\QAssist\ImagePath = "system32\\DRIVERS\\QAssist.sys" svchosts.exe
Executes dropped EXE 2 IoCs

Processes:

svchosts.exesvchosts.exe

pid process

4644 svchosts.exe
5000 svchosts.exe

description	ioc	process
File created	C:\Windows\system32\drivers\QAssist.sys	svchosts.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\QAssist\ImagePath = "system32\\DRIVERS\\QAssist.sys"	svchosts.exe

pid	process
4644	svchosts.exe
5000	svchosts.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

Processes:

svchosts.exe

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

Drops file in Program Files directory 2 IoCs

Processes:

d1a4309a0ca0c21b3c711a1c43ec1f1eb2edc19337496402726cbd688b12ee3c.exe

description	ioc	process
File created	C:\Program Files (x86)\Google\svchosts.exe	d1a4309a0ca0c21b3c711a1c43ec1f1eb2edc19337496402726cbd688b12ee3c.exe
File opened for modification	C:\Program Files (x86)\Google\svchosts.exe	d1a4309a0ca0c21b3c711a1c43ec1f1eb2edc19337496402726cbd688b12ee3c.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

Processes:

svchosts.exesvchosts.execmd.exePING.EXEd1a4309a0ca0c21b3c711a1c43ec1f1eb2edc19337496402726cbd688b12ee3c.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchosts.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchosts.exe
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	d1a4309a0ca0c21b3c711a1c43ec1f1eb2edc19337496402726cbd688b12ee3c.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

Processes:

cmd.exePING.EXE

pid process

4372 cmd.exe
668 PING.EXE

pid	process
4372	cmd.exe
668	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

Processes:

svchosts.exe

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

Modifies data under HKEY_USERS 5 IoCs

Processes:

svchosts.exe

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

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

668 PING.EXE

pid	process
668	PING.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

svchosts.exe

pid	process
5000	svchosts.exe
5000	svchosts.exe
5000	svchosts.exe
5000	svchosts.exe
5000	svchosts.exe
5000	svchosts.exe
5000	svchosts.exe
5000	svchosts.exe
5000	svchosts.exe
5000	svchosts.exe
5000	svchosts.exe
5000	svchosts.exe
5000	svchosts.exe
5000	svchosts.exe
5000	svchosts.exe
5000	svchosts.exe
5000	svchosts.exe
5000	svchosts.exe
5000	svchosts.exe
5000	svchosts.exe
5000	svchosts.exe
5000	svchosts.exe
5000	svchosts.exe
5000	svchosts.exe
5000	svchosts.exe
5000	svchosts.exe
5000	svchosts.exe
5000	svchosts.exe
5000	svchosts.exe
5000	svchosts.exe
5000	svchosts.exe
5000	svchosts.exe
5000	svchosts.exe
5000	svchosts.exe
5000	svchosts.exe
5000	svchosts.exe
5000	svchosts.exe
5000	svchosts.exe
5000	svchosts.exe
5000	svchosts.exe
5000	svchosts.exe
5000	svchosts.exe
5000	svchosts.exe
5000	svchosts.exe
5000	svchosts.exe
5000	svchosts.exe
5000	svchosts.exe
5000	svchosts.exe
5000	svchosts.exe
5000	svchosts.exe
5000	svchosts.exe
5000	svchosts.exe
5000	svchosts.exe
5000	svchosts.exe
5000	svchosts.exe
5000	svchosts.exe
5000	svchosts.exe
5000	svchosts.exe
5000	svchosts.exe
5000	svchosts.exe
5000	svchosts.exe
5000	svchosts.exe
5000	svchosts.exe
5000	svchosts.exe

Suspicious behavior: LoadsDriver 1 IoCs

Processes:

svchosts.exe

pid process

5000 svchosts.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

d1a4309a0ca0c21b3c711a1c43ec1f1eb2edc19337496402726cbd688b12ee3c.exesvchosts.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1112	d1a4309a0ca0c21b3c711a1c43ec1f1eb2edc19337496402726cbd688b12ee3c.exe
Token: SeLoadDriverPrivilege	5000	svchosts.exe
Token: 33	5000	svchosts.exe
Token: SeIncBasePriorityPrivilege	5000	svchosts.exe
Token: 33	5000	svchosts.exe
Token: SeIncBasePriorityPrivilege	5000	svchosts.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

d1a4309a0ca0c21b3c711a1c43ec1f1eb2edc19337496402726cbd688b12ee3c.exesvchosts.execmd.exe

description	pid	process	target process
PID 1112 wrote to memory of 4372	1112	d1a4309a0ca0c21b3c711a1c43ec1f1eb2edc19337496402726cbd688b12ee3c.exe	cmd.exe
PID 1112 wrote to memory of 4372	1112	d1a4309a0ca0c21b3c711a1c43ec1f1eb2edc19337496402726cbd688b12ee3c.exe	cmd.exe
PID 1112 wrote to memory of 4372	1112	d1a4309a0ca0c21b3c711a1c43ec1f1eb2edc19337496402726cbd688b12ee3c.exe	cmd.exe
PID 4644 wrote to memory of 5000	4644	svchosts.exe	svchosts.exe
PID 4644 wrote to memory of 5000	4644	svchosts.exe	svchosts.exe
PID 4644 wrote to memory of 5000	4644	svchosts.exe	svchosts.exe
PID 4372 wrote to memory of 668	4372	cmd.exe	PING.EXE
PID 4372 wrote to memory of 668	4372	cmd.exe	PING.EXE
PID 4372 wrote to memory of 668	4372	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\d1a4309a0ca0c21b3c711a1c43ec1f1eb2edc19337496402726cbd688b12ee3c.exe
"C:\Users\Admin\AppData\Local\Temp\d1a4309a0ca0c21b3c711a1c43ec1f1eb2edc19337496402726cbd688b12ee3c.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1112
- 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\D1A430~1.EXE > nul
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:4372
- - 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:668

C:\Program Files (x86)\Google\svchosts.exe
"C:\Program Files (x86)\Google\svchosts.exe" -auto
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4644
- C:\Program Files (x86)\Google\svchosts.exe
  "C:\Program Files (x86)\Google\svchosts.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:5000

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:\Program Files (x86)\Google\svchosts.exe

Filesize
1.4MB

MD5
cc8b4dcd81fb396033430c13d4d15c5a

SHA1
878df9a61fc0898fb20bdbac49f2f757da69e50d

SHA256
d1a4309a0ca0c21b3c711a1c43ec1f1eb2edc19337496402726cbd688b12ee3c

SHA512
6a863c8419c639eb52a63e8f63e51c03536f40330c62818db0b0b62823f470e4a77a340c79864946879381ab4b4acfb023978e69f54994f7fce2cfc39083a975

Download Submit
memory/1112-0-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download
memory/4644-10-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download
memory/5000-17-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads