gh0strat | 9db8d845024f4dde5ec844e17f51c0589fd3a48bd24196d1d6149348ec828cc0

General

Target

9db8d845024f4dde5ec844e17f51c0589fd3a48bd24196d1d6149348ec828cc0.exe
Size

195KB
MD5

2f8d58e5122d78664261d21a017f4124
SHA1

4de55b84caece3738b3e91daa1d12e6e65d71b16
SHA256

9db8d845024f4dde5ec844e17f51c0589fd3a48bd24196d1d6149348ec828cc0
SHA512

11b19192ce8cd6d86ab993278336dfaad5d98fe78cb8533fe0beb40511f829f9a94fed0d6aa9ff923118aa891ffe2a8c7d5253f310a722c2798a6b8cd512a50c
SSDEEP

3072:HLCt4krRgZzNtMqjUl3SlwTrUSzlzDT0hzYHBluCJE2LEIsceqBbmIYwo9BXnFy/:rCttMUl38wrlzlzDT3JPLEIiqB1wh

Score

10^/10

gh0strat bootkit discovery persistence rat spyware stealer

Malware Config

Extracted

Family

gh0strat

C2

107.163.56.251:6658

http://107.163.56.240:18963/main.php

http://107.163.56.241:18530/

Attributes

user_agent
Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.1; Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C))

Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.0)

Signatures

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

Deletes itself 1 IoCs

pid	Process
2244	cldnh.exe

Executes dropped EXE 2 IoCs

pid	Process
2244	cldnh.exe
384	cij.exe

Loads dropped DLL 1 IoCs

pid	Process
384	cij.exe

Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3446877943-4095308722-756223633-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Router = "c:\\Program Files\\psele\\cij.exe \"c:\\Program Files\\psele\\cijls.dll\",SetHandle"	cij.exe

Enumerates connected drives 3 TTPs 23 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)	\??\g:	cij.exe
File opened (read-only)	\??\p:	cij.exe
File opened (read-only)	\??\r:	cij.exe
File opened (read-only)	\??\v:	cij.exe
File opened (read-only)	\??\w:	cij.exe
File opened (read-only)	\??\o:	cij.exe
File opened (read-only)	\??\e:	cij.exe
File opened (read-only)	\??\i:	cij.exe
File opened (read-only)	\??\m:	cij.exe
File opened (read-only)	\??\n:	cij.exe
File opened (read-only)	\??\s:	cij.exe
File opened (read-only)	\??\u:	cij.exe
File opened (read-only)	\??\x:	cij.exe
File opened (read-only)	\??\j:	cij.exe
File opened (read-only)	\??\y:	cij.exe
File opened (read-only)	\??\q:	cij.exe
File opened (read-only)	\??\b:	cij.exe
File opened (read-only)	\??\h:	cij.exe
File opened (read-only)	\??\k:	cij.exe
File opened (read-only)	\??\l:	cij.exe
File opened (read-only)	\??\t:	cij.exe
File opened (read-only)	\??\z:	cij.exe
File opened (read-only)	\??\a:	cij.exe

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\PHYSICALDRIVE0	cij.exe

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File opened for modification	\??\c:\Program Files\psele	cldnh.exe
File created	\??\c:\Program Files\psele\cijls.dll	cldnh.exe
File created	\??\c:\Program Files\psele\cij.exe	cldnh.exe
File opened for modification	\??\c:\Program Files\psele\cij.exe	cldnh.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	cldnh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cij.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9db8d845024f4dde5ec844e17f51c0589fd3a48bd24196d1d6149348ec828cc0.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
3624	cmd.exe
2128	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	cij.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	cij.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2128	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
384	cij.exe
384	cij.exe
384	cij.exe
384	cij.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	384	cij.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
5652	9db8d845024f4dde5ec844e17f51c0589fd3a48bd24196d1d6149348ec828cc0.exe
2244	cldnh.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 5652 wrote to memory of 3624	5652	9db8d845024f4dde5ec844e17f51c0589fd3a48bd24196d1d6149348ec828cc0.exe	85
PID 5652 wrote to memory of 3624	5652	9db8d845024f4dde5ec844e17f51c0589fd3a48bd24196d1d6149348ec828cc0.exe	85
PID 5652 wrote to memory of 3624	5652	9db8d845024f4dde5ec844e17f51c0589fd3a48bd24196d1d6149348ec828cc0.exe	85
PID 3624 wrote to memory of 2128	3624	cmd.exe	87
PID 3624 wrote to memory of 2128	3624	cmd.exe	87
PID 3624 wrote to memory of 2128	3624	cmd.exe	87
PID 3624 wrote to memory of 2244	3624	cmd.exe	91
PID 3624 wrote to memory of 2244	3624	cmd.exe	91
PID 3624 wrote to memory of 2244	3624	cmd.exe	91
PID 2244 wrote to memory of 384	2244	cldnh.exe	92
PID 2244 wrote to memory of 384	2244	cldnh.exe	92
PID 2244 wrote to memory of 384	2244	cldnh.exe	92

C:\Users\Admin\AppData\Local\Temp\9db8d845024f4dde5ec844e17f51c0589fd3a48bd24196d1d6149348ec828cc0.exe
"C:\Users\Admin\AppData\Local\Temp\9db8d845024f4dde5ec844e17f51c0589fd3a48bd24196d1d6149348ec828cc0.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5652
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\cldnh.exe "C:\Users\Admin\AppData\Local\Temp\9db8d845024f4dde5ec844e17f51c0589fd3a48bd24196d1d6149348ec828cc0.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:3624
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 2
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:2128
- - C:\Users\Admin\AppData\Local\Temp\cldnh.exe
    C:\Users\Admin\AppData\Local\Temp\\cldnh.exe "C:\Users\Admin\AppData\Local\Temp\9db8d845024f4dde5ec844e17f51c0589fd3a48bd24196d1d6149348ec828cc0.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - Drops file in Program Files directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2244
  - - \??\c:\Program Files\psele\cij.exe
      "c:\Program Files\psele\cij.exe" "c:\Program Files\psele\cijls.dll",SetHandle C:\Users\Admin\AppData\Local\Temp\cldnh.exe
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      Adds Run key to start application
      Enumerates connected drives
      Writes to the Master Boot Record (MBR)
      System Location Discovery: System Language Discovery
      Checks processor information in registry
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:384

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c c:\Program Files\psele\cij.exe "c:\Program Files\psele\cijls.dll",SetHandle
1⤵
PID:3812

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

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

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

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Program Files\psele\cij.exe

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
C:\Users\Admin\AppData\Local\Temp\cldnh.exe

Filesize
196KB

MD5
034ee2ae37e59b1eae07731ecf7fe607

SHA1
3b9738bc3ac5cb249d4a32fb922d34f49b29b352

SHA256
dd7d3ba3728b0625831d3687c312ff23289185320647bdc9473f1105332a0dc7

SHA512
810cd977b78c7a19da2df7441577d33ab69b9142c34e18969b24a49d8c24c274ce24bff85e5a866f3200697bc4b548141d0f99dc36de42d940e295c50135bd48

Download Submit
\??\c:\Program Files\psele\cijls.dll

Filesize
155KB

MD5
da9d518356e696df178b3bb421e76e08

SHA1
5aebd6448f369d8af8f2236cf070877220b7c46b

SHA256
66c9c25de2de8dfaad701c0c7d7bf109e30f1800e59bcc12da458bc5679e3176

SHA512
ed21850d08a8aceb44e0908755cb3d446a7c87e488c71ff8b1fced68fab2f57eec0b913346332bd9931964a8cd627f6c6c329d51538e2e7a8b58a58956b7f847

Download Submit
memory/384-21-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/384-19-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/384-20-0x0000000000B30000-0x0000000000B31000-memory.dmp

Filesize
4KB

Download
memory/384-24-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/384-26-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/384-33-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2244-8-0x0000000000400000-0x0000000000449038-memory.dmp

Filesize
292KB

Download
memory/2244-9-0x0000000000400000-0x0000000000449038-memory.dmp

Filesize
292KB

Download
memory/2244-15-0x0000000000400000-0x0000000000449038-memory.dmp

Filesize
292KB

Download
memory/5652-4-0x0000000000400000-0x0000000000449038-memory.dmp

Filesize
292KB

Download
memory/5652-2-0x0000000000400000-0x0000000000449038-memory.dmp

Filesize
292KB

Download
memory/5652-1-0x0000000000400000-0x0000000000449038-memory.dmp

Filesize
292KB

Download
memory/5652-0-0x0000000000400000-0x0000000000449038-memory.dmp

Filesize
292KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads