gh0strat | fe3769e05d4fd112e207c613e42db8d012e4cae7c5874df7a75b664193f79102

General

Target

fe3769e05d4fd112e207c613e42db8d012e4cae7c5874df7a75b664193f79102.exe
Size

208KB
MD5

b7e3dda566615dd67251cf03bd881837
SHA1

d25f0361c8445db334540ccc0886700d1b0fefcc
SHA256

fe3769e05d4fd112e207c613e42db8d012e4cae7c5874df7a75b664193f79102
SHA512

93dfbe3db90b65f8ce4ab2318678fec196102f72daaa7fa56887f6959ad50fff160c3da80b055ea6123b2091b3009148a870859568a37e54a8406e0edfb45826
SSDEEP

3072:fP5gvNVLIfHQja1RfmLQADwSKkhU+tLgT5lODbiC8r1PkTF: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
2740	xemcd.exe

Executes dropped EXE 2 IoCs

pid	Process
2740	xemcd.exe
2556	vzntboai.exe

Loads dropped DLL 7 IoCs

pid	Process
2812	cmd.exe
2812	cmd.exe
2740	xemcd.exe
2556	vzntboai.exe
2556	vzntboai.exe
2556	vzntboai.exe
2556	vzntboai.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-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\Depend = "c:\\Program Files\\dcncb\\vzntboai.exe \"c:\\Program Files\\dcncb\\vzntboai.dll\",Compliance"	vzntboai.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)	\??\q:	vzntboai.exe
File opened (read-only)	\??\v:	vzntboai.exe
File opened (read-only)	\??\w:	vzntboai.exe
File opened (read-only)	\??\y:	vzntboai.exe
File opened (read-only)	\??\e:	vzntboai.exe
File opened (read-only)	\??\i:	vzntboai.exe
File opened (read-only)	\??\k:	vzntboai.exe
File opened (read-only)	\??\p:	vzntboai.exe
File opened (read-only)	\??\x:	vzntboai.exe
File opened (read-only)	\??\z:	vzntboai.exe
File opened (read-only)	\??\b:	vzntboai.exe
File opened (read-only)	\??\g:	vzntboai.exe
File opened (read-only)	\??\m:	vzntboai.exe
File opened (read-only)	\??\r:	vzntboai.exe
File opened (read-only)	\??\t:	vzntboai.exe
File opened (read-only)	\??\u:	vzntboai.exe
File opened (read-only)	\??\h:	vzntboai.exe
File opened (read-only)	\??\l:	vzntboai.exe
File opened (read-only)	\??\o:	vzntboai.exe
File opened (read-only)	\??\s:	vzntboai.exe
File opened (read-only)	\??\a:	vzntboai.exe
File opened (read-only)	\??\j:	vzntboai.exe
File opened (read-only)	\??\n:	vzntboai.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	vzntboai.exe

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File opened for modification	\??\c:\Program Files\dcncb	xemcd.exe
File created	\??\c:\Program Files\dcncb\vzntboai.dll	xemcd.exe
File created	\??\c:\Program Files\dcncb\vzntboai.exe	xemcd.exe
File opened for modification	\??\c:\Program Files\dcncb\vzntboai.exe	xemcd.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	xemcd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vzntboai.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fe3769e05d4fd112e207c613e42db8d012e4cae7c5874df7a75b664193f79102.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
2700	PING.EXE
2812	cmd.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\ProcessorNameString	vzntboai.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	vzntboai.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2700	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2556	vzntboai.exe
2556	vzntboai.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2556	vzntboai.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3028	fe3769e05d4fd112e207c613e42db8d012e4cae7c5874df7a75b664193f79102.exe
2740	xemcd.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 3028 wrote to memory of 2812	3028	fe3769e05d4fd112e207c613e42db8d012e4cae7c5874df7a75b664193f79102.exe	31
PID 3028 wrote to memory of 2812	3028	fe3769e05d4fd112e207c613e42db8d012e4cae7c5874df7a75b664193f79102.exe	31
PID 3028 wrote to memory of 2812	3028	fe3769e05d4fd112e207c613e42db8d012e4cae7c5874df7a75b664193f79102.exe	31
PID 3028 wrote to memory of 2812	3028	fe3769e05d4fd112e207c613e42db8d012e4cae7c5874df7a75b664193f79102.exe	31
PID 2812 wrote to memory of 2700	2812	cmd.exe	33
PID 2812 wrote to memory of 2700	2812	cmd.exe	33
PID 2812 wrote to memory of 2700	2812	cmd.exe	33
PID 2812 wrote to memory of 2700	2812	cmd.exe	33
PID 2812 wrote to memory of 2740	2812	cmd.exe	34
PID 2812 wrote to memory of 2740	2812	cmd.exe	34
PID 2812 wrote to memory of 2740	2812	cmd.exe	34
PID 2812 wrote to memory of 2740	2812	cmd.exe	34
PID 2740 wrote to memory of 2556	2740	xemcd.exe	35
PID 2740 wrote to memory of 2556	2740	xemcd.exe	35
PID 2740 wrote to memory of 2556	2740	xemcd.exe	35
PID 2740 wrote to memory of 2556	2740	xemcd.exe	35

C:\Users\Admin\AppData\Local\Temp\fe3769e05d4fd112e207c613e42db8d012e4cae7c5874df7a75b664193f79102.exe
"C:\Users\Admin\AppData\Local\Temp\fe3769e05d4fd112e207c613e42db8d012e4cae7c5874df7a75b664193f79102.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3028
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\xemcd.exe "C:\Users\Admin\AppData\Local\Temp\fe3769e05d4fd112e207c613e42db8d012e4cae7c5874df7a75b664193f79102.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:2812
- - 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:2700
- - C:\Users\Admin\AppData\Local\Temp\xemcd.exe
    C:\Users\Admin\AppData\Local\Temp\\xemcd.exe "C:\Users\Admin\AppData\Local\Temp\fe3769e05d4fd112e207c613e42db8d012e4cae7c5874df7a75b664193f79102.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - Loads dropped DLL
    - Drops file in Program Files directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2740
  - - \??\c:\Program Files\dcncb\vzntboai.exe
      "c:\Program Files\dcncb\vzntboai.exe" "c:\Program Files\dcncb\vzntboai.dll",Compliance C:\Users\Admin\AppData\Local\Temp\xemcd.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:2556

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\dcncb\vzntboai.dll

Filesize
141KB

MD5
f68dda49ca6563077699499c966b13f3

SHA1
20874983b6299064e29d64529a50286565f09603

SHA256
5a3098dc305456736ea9237842a60c69582db8749a3f7f25edd4ec03d0e76130

SHA512
b1d86b4a7dc78291f70972b397a21c0ab990677628f55f9f30630c9c6de2e3d07af1254fe12b4eaed18f90d0617b83d04d87c8eece87170ad63c40b3420491e4

Download Submit
\Program Files\dcncb\vzntboai.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
\Users\Admin\AppData\Local\Temp\xemcd.exe

Filesize
208KB

MD5
f80e5abdeb51dfed0b6f8884954aec4c

SHA1
c5a0d41aba008dc3fb0ec04ab4a461eb34a84419

SHA256
5bcf80c5c7a02af4ec5cc9fc6f08603932acd4c6853ccf51ba5823be9b9b1ed3

SHA512
6e46fb536078a014d7e4777d55975946a8b361614069dbaa34a43469c638953ff39a8c8243747297287c643a2aa68ce94ed66d770b45ded373ca4db59bd9be02

Download Submit
memory/2556-28-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/2556-34-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/2556-31-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/2556-29-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/2556-30-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/2740-11-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/2740-12-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/2740-13-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/2740-21-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/2812-9-0x0000000000160000-0x00000000001AA000-memory.dmp

Filesize
296KB

Download
memory/2812-8-0x0000000000160000-0x00000000001AA000-memory.dmp

Filesize
296KB

Download
memory/3028-1-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/3028-2-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/3028-4-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/3028-0-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads