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 1 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/1636-0-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 1 IoCs

resource	yara_rule
behavioral1/memory/1636-0-0x0000000010000000-0x000000001019F000-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	svchosts.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"	svchosts.exe

Deletes itself 1 IoCs

pid	Process
2576	cmd.exe

Executes dropped EXE 2 IoCs

pid	Process
2188	svchosts.exe
1660	svchosts.exe

Loads dropped DLL 1 IoCs

pid	Process
2188	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

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

Drops file in Program Files directory 2 IoCs

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d1a4309a0ca0c21b3c711a1c43ec1f1eb2edc19337496402726cbd688b12ee3c.exe
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

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
2576	cmd.exe
2416	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	svchosts.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	svchosts.exe

Modifies data under HKEY_USERS 12 IoCs

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

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2416	PING.EXE

Suspicious behavior: EnumeratesProcesses 33 IoCs

pid	Process
1660	svchosts.exe
1660	svchosts.exe
1660	svchosts.exe
1660	svchosts.exe
1660	svchosts.exe
1660	svchosts.exe
1660	svchosts.exe
1660	svchosts.exe
1660	svchosts.exe
1660	svchosts.exe
1660	svchosts.exe
1660	svchosts.exe
1660	svchosts.exe
1660	svchosts.exe
1660	svchosts.exe
1660	svchosts.exe
1660	svchosts.exe
1660	svchosts.exe
1660	svchosts.exe
1660	svchosts.exe
1660	svchosts.exe
1660	svchosts.exe
1660	svchosts.exe
1660	svchosts.exe
1660	svchosts.exe
1660	svchosts.exe
1660	svchosts.exe
1660	svchosts.exe
1660	svchosts.exe
1660	svchosts.exe
1660	svchosts.exe
1660	svchosts.exe
1660	svchosts.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
1660	svchosts.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1636	d1a4309a0ca0c21b3c711a1c43ec1f1eb2edc19337496402726cbd688b12ee3c.exe
Token: SeLoadDriverPrivilege	1660	svchosts.exe
Token: 33	1660	svchosts.exe
Token: SeIncBasePriorityPrivilege	1660	svchosts.exe
Token: 33	1660	svchosts.exe
Token: SeIncBasePriorityPrivilege	1660	svchosts.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1636 wrote to memory of 2576	1636	d1a4309a0ca0c21b3c711a1c43ec1f1eb2edc19337496402726cbd688b12ee3c.exe	29
PID 1636 wrote to memory of 2576	1636	d1a4309a0ca0c21b3c711a1c43ec1f1eb2edc19337496402726cbd688b12ee3c.exe	29
PID 1636 wrote to memory of 2576	1636	d1a4309a0ca0c21b3c711a1c43ec1f1eb2edc19337496402726cbd688b12ee3c.exe	29
PID 1636 wrote to memory of 2576	1636	d1a4309a0ca0c21b3c711a1c43ec1f1eb2edc19337496402726cbd688b12ee3c.exe	29
PID 2188 wrote to memory of 1660	2188	svchosts.exe	30
PID 2188 wrote to memory of 1660	2188	svchosts.exe	30
PID 2188 wrote to memory of 1660	2188	svchosts.exe	30
PID 2188 wrote to memory of 1660	2188	svchosts.exe	30
PID 2576 wrote to memory of 2416	2576	cmd.exe	32
PID 2576 wrote to memory of 2416	2576	cmd.exe	32
PID 2576 wrote to memory of 2416	2576	cmd.exe	32
PID 2576 wrote to memory of 2416	2576	cmd.exe	32

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:1636
- 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⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:2576
- - 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:2416

C:\Program Files (x86)\Google\svchosts.exe
"C:\Program Files (x86)\Google\svchosts.exe" -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2188
- 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:1660

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/1636-0-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads