gh0strat | db412c4360c180c512e0807541746bd7cc9b310c1fb6b50b192e04fcc0f8c9a8

General

Target

db412c4360c180c512e0807541746bd7cc9b310c1fb6b50b192e04fcc0f8c9a8.exe
Size

1.3MB
MD5

395423c3214375702b2c89a9b871383c
SHA1

57c059afb314f431929b172b6ece65825a8343b4
SHA256

db412c4360c180c512e0807541746bd7cc9b310c1fb6b50b192e04fcc0f8c9a8
SHA512

97e610c182d5944f50a2a21783d2713476cfa045ce62b6fddbfb6a983943fb36a53e93c223a03e536a2a5fadda4eb4c42440c5d6589e6e92f93c1f566a27a19b
SSDEEP

24576:dOyHutimZ9VSly2hVvHW6qMnSbTBBhBMNo: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
behavioral1/memory/2496-0-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit
behavioral1/memory/2804-19-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 2 IoCs

resource	yara_rule
behavioral1/memory/2496-0-0x0000000010000000-0x000000001019F000-memory.dmp	family_gh0strat
behavioral1/memory/2804-19-0x0000000010000000-0x000000001019F000-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	Jkcde.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"	Jkcde.exe

Deletes itself 1 IoCs

pid	Process
2892	cmd.exe

Executes dropped EXE 2 IoCs

pid	Process
2440	Jkcde.exe
2804	Jkcde.exe

Loads dropped DLL 1 IoCs

pid	Process
2440	Jkcde.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Jkcde.exe	db412c4360c180c512e0807541746bd7cc9b310c1fb6b50b192e04fcc0f8c9a8.exe
File opened for modification	C:\Windows\SysWOW64\Jkcde.exe	db412c4360c180c512e0807541746bd7cc9b310c1fb6b50b192e04fcc0f8c9a8.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	db412c4360c180c512e0807541746bd7cc9b310c1fb6b50b192e04fcc0f8c9a8.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Jkcde.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Jkcde.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
2892	cmd.exe
2136	PING.EXE

Modifies data under HKEY_USERS 4 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	Jkcde.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	Jkcde.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	Jkcde.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	Jkcde.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2136	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2804	Jkcde.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2496	db412c4360c180c512e0807541746bd7cc9b310c1fb6b50b192e04fcc0f8c9a8.exe
Token: SeLoadDriverPrivilege	2804	Jkcde.exe
Token: 33	2804	Jkcde.exe
Token: SeIncBasePriorityPrivilege	2804	Jkcde.exe
Token: 33	2804	Jkcde.exe
Token: SeIncBasePriorityPrivilege	2804	Jkcde.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2496 wrote to memory of 2892	2496	db412c4360c180c512e0807541746bd7cc9b310c1fb6b50b192e04fcc0f8c9a8.exe	31
PID 2496 wrote to memory of 2892	2496	db412c4360c180c512e0807541746bd7cc9b310c1fb6b50b192e04fcc0f8c9a8.exe	31
PID 2496 wrote to memory of 2892	2496	db412c4360c180c512e0807541746bd7cc9b310c1fb6b50b192e04fcc0f8c9a8.exe	31
PID 2496 wrote to memory of 2892	2496	db412c4360c180c512e0807541746bd7cc9b310c1fb6b50b192e04fcc0f8c9a8.exe	31
PID 2440 wrote to memory of 2804	2440	Jkcde.exe	33
PID 2440 wrote to memory of 2804	2440	Jkcde.exe	33
PID 2440 wrote to memory of 2804	2440	Jkcde.exe	33
PID 2440 wrote to memory of 2804	2440	Jkcde.exe	33
PID 2892 wrote to memory of 2136	2892	cmd.exe	34
PID 2892 wrote to memory of 2136	2892	cmd.exe	34
PID 2892 wrote to memory of 2136	2892	cmd.exe	34
PID 2892 wrote to memory of 2136	2892	cmd.exe	34

C:\Users\Admin\AppData\Local\Temp\db412c4360c180c512e0807541746bd7cc9b310c1fb6b50b192e04fcc0f8c9a8.exe
"C:\Users\Admin\AppData\Local\Temp\db412c4360c180c512e0807541746bd7cc9b310c1fb6b50b192e04fcc0f8c9a8.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2496
- 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\DB412C~1.EXE > nul
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:2892
- - 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:2136

C:\Windows\SysWOW64\Jkcde.exe
C:\Windows\SysWOW64\Jkcde.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2440
- C:\Windows\SysWOW64\Jkcde.exe
  C:\Windows\SysWOW64\Jkcde.exe -acsi
  2⤵
  - Drops file in Drivers directory
  - Sets service image path in registry
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Modifies data under HKEY_USERS
  - Suspicious behavior: LoadsDriver
  - Suspicious use of AdjustPrivilegeToken
  PID:2804

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

memory/2496-0-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download
memory/2804-19-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads