gh0strat | 1c3e0b351a0aa708e917c93aa1fc539a79883393e96291508c831b71c2d5a336

General

Target

1c3e0b351a0aa708e917c93aa1fc539a79883393e96291508c831b71c2d5a336.exe
Size

206KB
MD5

411431ab7bdd77eb0436414cc5009c65
SHA1

b65b7b117ebcc603ff943a83ea3f257d7e648fc2
SHA256

1c3e0b351a0aa708e917c93aa1fc539a79883393e96291508c831b71c2d5a336
SHA512

c4ec32f47f2726cceb502194464a8191d6bc809a7676162c1be420213a8d9ee3cd648a402ecf8d4968d7777817d4f845ab7d8c878cb80f3947e9a0e1bc6344b4
SSDEEP

3072:fP5gvNVLIfHQja1RfmLQADwSKkhU+tLgT5lODbiC8r1PkT:X2vnSwjaOcADw9cUeCOf

Score

10^/10

gh0strat bootkit discovery persistence rat spyware stealer

Malware Config

Extracted

Family

gh0strat

C2

107.163.241.193:6520

http://107.163.241.181:16300/

http://107.163.241.182:12354/login.php

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
4572	tuhcs.exe

Executes dropped EXE 2 IoCs

pid	Process
4572	tuhcs.exe
4744	pqjtyyys.exe

Loads dropped DLL 1 IoCs

pid	Process
4744	pqjtyyys.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-1-5-21-3342763580-2723508992-2885672917-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Depend = "c:\\Program Files\\njbxs\\pqjtyyys.exe \"c:\\Program Files\\njbxs\\pqjtyyys.dll\",Compliance"	pqjtyyys.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)	\??\v:	pqjtyyys.exe
File opened (read-only)	\??\w:	pqjtyyys.exe
File opened (read-only)	\??\x:	pqjtyyys.exe
File opened (read-only)	\??\i:	pqjtyyys.exe
File opened (read-only)	\??\j:	pqjtyyys.exe
File opened (read-only)	\??\l:	pqjtyyys.exe
File opened (read-only)	\??\e:	pqjtyyys.exe
File opened (read-only)	\??\h:	pqjtyyys.exe
File opened (read-only)	\??\p:	pqjtyyys.exe
File opened (read-only)	\??\q:	pqjtyyys.exe
File opened (read-only)	\??\u:	pqjtyyys.exe
File opened (read-only)	\??\b:	pqjtyyys.exe
File opened (read-only)	\??\g:	pqjtyyys.exe
File opened (read-only)	\??\k:	pqjtyyys.exe
File opened (read-only)	\??\n:	pqjtyyys.exe
File opened (read-only)	\??\r:	pqjtyyys.exe
File opened (read-only)	\??\t:	pqjtyyys.exe
File opened (read-only)	\??\y:	pqjtyyys.exe
File opened (read-only)	\??\z:	pqjtyyys.exe
File opened (read-only)	\??\a:	pqjtyyys.exe
File opened (read-only)	\??\m:	pqjtyyys.exe
File opened (read-only)	\??\o:	pqjtyyys.exe
File opened (read-only)	\??\s:	pqjtyyys.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	pqjtyyys.exe

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File opened for modification	\??\c:\Program Files\njbxs\pqjtyyys.exe	tuhcs.exe
File opened for modification	\??\c:\Program Files\njbxs	tuhcs.exe
File created	\??\c:\Program Files\njbxs\pqjtyyys.dll	tuhcs.exe
File created	\??\c:\Program Files\njbxs\pqjtyyys.exe	tuhcs.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	1c3e0b351a0aa708e917c93aa1fc539a79883393e96291508c831b71c2d5a336.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	tuhcs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	pqjtyyys.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
4868	cmd.exe
5152	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	pqjtyyys.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	pqjtyyys.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
5152	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4744	pqjtyyys.exe
4744	pqjtyyys.exe
4744	pqjtyyys.exe
4744	pqjtyyys.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4744	pqjtyyys.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4488	1c3e0b351a0aa708e917c93aa1fc539a79883393e96291508c831b71c2d5a336.exe
4572	tuhcs.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4488 wrote to memory of 4868	4488	1c3e0b351a0aa708e917c93aa1fc539a79883393e96291508c831b71c2d5a336.exe	88
PID 4488 wrote to memory of 4868	4488	1c3e0b351a0aa708e917c93aa1fc539a79883393e96291508c831b71c2d5a336.exe	88
PID 4488 wrote to memory of 4868	4488	1c3e0b351a0aa708e917c93aa1fc539a79883393e96291508c831b71c2d5a336.exe	88
PID 4868 wrote to memory of 5152	4868	cmd.exe	90
PID 4868 wrote to memory of 5152	4868	cmd.exe	90
PID 4868 wrote to memory of 5152	4868	cmd.exe	90
PID 4868 wrote to memory of 4572	4868	cmd.exe	92
PID 4868 wrote to memory of 4572	4868	cmd.exe	92
PID 4868 wrote to memory of 4572	4868	cmd.exe	92
PID 4572 wrote to memory of 4744	4572	tuhcs.exe	93
PID 4572 wrote to memory of 4744	4572	tuhcs.exe	93
PID 4572 wrote to memory of 4744	4572	tuhcs.exe	93

C:\Users\Admin\AppData\Local\Temp\1c3e0b351a0aa708e917c93aa1fc539a79883393e96291508c831b71c2d5a336.exe
"C:\Users\Admin\AppData\Local\Temp\1c3e0b351a0aa708e917c93aa1fc539a79883393e96291508c831b71c2d5a336.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4488
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\tuhcs.exe "C:\Users\Admin\AppData\Local\Temp\1c3e0b351a0aa708e917c93aa1fc539a79883393e96291508c831b71c2d5a336.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:4868
- - 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:5152
- - C:\Users\Admin\AppData\Local\Temp\tuhcs.exe
    C:\Users\Admin\AppData\Local\Temp\\tuhcs.exe "C:\Users\Admin\AppData\Local\Temp\1c3e0b351a0aa708e917c93aa1fc539a79883393e96291508c831b71c2d5a336.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:4572
  - - \??\c:\Program Files\njbxs\pqjtyyys.exe
      "c:\Program Files\njbxs\pqjtyyys.exe" "c:\Program Files\njbxs\pqjtyyys.dll",Compliance C:\Users\Admin\AppData\Local\Temp\tuhcs.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:4744

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c c:\Program Files\njbxs\pqjtyyys.exe "c:\Program Files\njbxs\pqjtyyys.dll",Compliance
1⤵
PID:5572

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\njbxs\pqjtyyys.dll

Filesize
141KB

MD5
0be5db43581faa164e79a5f34f2a16a6

SHA1
a1e5bbdfaee75ad73612d67e3bb2487e2a6f8357

SHA256
4ccd1d897df6461d59dca0d41d9f02b08daa020bbc2dfdd90e29dd7862e00be5

SHA512
1a21656d8c87924f354be116eb47057a3066b981ae2e8d1ce7e83f01034093689d06802c42f3c07e277e7cdf7584c362541e0f5a4e56daa343f656d58b64d82d

Download Submit
C:\Program Files\njbxs\pqjtyyys.exe

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

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

Filesize
206KB

MD5
915f88df4beee546f8838666e4382d50

SHA1
14f8aa03066fdfbbab33953938040e0ad4bdbba5

SHA256
94ee26a76fe6cdb67f84f89f6dc9e30840d33bff94efb3992d457ed3443ba73f

SHA512
5d7604b1041e3d930a48b4f54fa3dc3c612feaf0f15ef69e212c126899e0096fc05ce6d0462f672510cf7a41d07fb7109ac6212324e5f1917e5709970e81180e

Download Submit
memory/4488-1-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/4488-2-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/4488-5-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/4488-0-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/4572-9-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/4572-19-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/4572-10-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/4744-20-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/4744-22-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/4744-25-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads