gh0strat | a37e9ea24fac459afa112c61dc540ffd898faca0c85add4db69e3bb301fcde4e

General

Target

a37e9ea24fac459afa112c61dc540ffd898faca0c85add4db69e3bb301fcde4e.exe
Size

1.3MB
MD5

26334970fc0f862e9db97aff5cd9bd33
SHA1

05697aee9460c453f59de860a6c369ef8b7531c8
SHA256

a37e9ea24fac459afa112c61dc540ffd898faca0c85add4db69e3bb301fcde4e
SHA512

fba2d0455f73a927c10ec5d0c5c17aac7b31353491a9a77bc039708773b271efee6acc19eeea134f9526f8811bdeeed76134273bf18aa31d27eeaac5e30aedfe
SSDEEP

24576:dOyHutimZ9VSly2hVvHW6qMnSbTBBhBMNZ:QHPkVOBTK

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/4812-0-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit
behavioral2/memory/4940-11-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 2 IoCs

resource	yara_rule
behavioral2/memory/4812-0-0x0000000010000000-0x000000001019F000-memory.dmp	family_gh0strat
behavioral2/memory/4940-11-0x0000000010000000-0x000000001019F000-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	Vnoph.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"	Vnoph.exe

Executes dropped EXE 2 IoCs

pid	Process
4940	Vnoph.exe
768	Vnoph.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Google\Vnoph.exe	a37e9ea24fac459afa112c61dc540ffd898faca0c85add4db69e3bb301fcde4e.exe
File opened for modification	C:\Program Files (x86)\Google\Vnoph.exe	a37e9ea24fac459afa112c61dc540ffd898faca0c85add4db69e3bb301fcde4e.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	a37e9ea24fac459afa112c61dc540ffd898faca0c85add4db69e3bb301fcde4e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Vnoph.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Vnoph.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
548	cmd.exe
1568	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1568	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
768	Vnoph.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	4812	a37e9ea24fac459afa112c61dc540ffd898faca0c85add4db69e3bb301fcde4e.exe
Token: SeLoadDriverPrivilege	768	Vnoph.exe
Token: 33	768	Vnoph.exe
Token: SeIncBasePriorityPrivilege	768	Vnoph.exe
Token: 33	768	Vnoph.exe
Token: SeIncBasePriorityPrivilege	768	Vnoph.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4812 wrote to memory of 548	4812	a37e9ea24fac459afa112c61dc540ffd898faca0c85add4db69e3bb301fcde4e.exe	83
PID 4812 wrote to memory of 548	4812	a37e9ea24fac459afa112c61dc540ffd898faca0c85add4db69e3bb301fcde4e.exe	83
PID 4812 wrote to memory of 548	4812	a37e9ea24fac459afa112c61dc540ffd898faca0c85add4db69e3bb301fcde4e.exe	83
PID 4940 wrote to memory of 768	4940	Vnoph.exe	85
PID 4940 wrote to memory of 768	4940	Vnoph.exe	85
PID 4940 wrote to memory of 768	4940	Vnoph.exe	85
PID 548 wrote to memory of 1568	548	cmd.exe	86
PID 548 wrote to memory of 1568	548	cmd.exe	86
PID 548 wrote to memory of 1568	548	cmd.exe	86

C:\Users\Admin\AppData\Local\Temp\a37e9ea24fac459afa112c61dc540ffd898faca0c85add4db69e3bb301fcde4e.exe
"C:\Users\Admin\AppData\Local\Temp\a37e9ea24fac459afa112c61dc540ffd898faca0c85add4db69e3bb301fcde4e.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4812
- 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\A37E9E~1.EXE > nul
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:548
- - 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:1568

C:\Program Files (x86)\Google\Vnoph.exe
"C:\Program Files (x86)\Google\Vnoph.exe" -auto
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4940
- C:\Program Files (x86)\Google\Vnoph.exe
  "C:\Program Files (x86)\Google\Vnoph.exe" -acsi
  2⤵
  - Drops file in Drivers directory
  - Sets service image path in registry
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: LoadsDriver
  - Suspicious use of AdjustPrivilegeToken
  PID:768

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

Remote System Discovery

1

T1018

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\Vnoph.exe

Filesize
20.3MB

MD5
dbc7c53abe679280f47bb1aba366b3ff

SHA1
4db1dc662d8abc18d45194309e66a0edc716db20

SHA256
382a49a0641d8720b93c056fb88e724de6282d6fdfbcd9edb07d4e2537c0d5a8

SHA512
145fb6039a54ac068aefa904f8287d8ad32981caf5b713103b7e0fa3cfd63ce39420aec85fff8fcd106c313e2a7482ebe41f143c5bd41d91fd78b22be8f2d0bd

Download Submit
memory/4812-0-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download
memory/4940-11-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads