gh0strat | e96f5bcd69a3eae5fc82882825e06dd89c4da8aa8ec6ab0e4b9bafe524c947cb

General

Target

e96f5bcd69a3eae5fc82882825e06dd89c4da8aa8ec6ab0e4b9bafe524c947cb.exe
Size

208KB
MD5

cec1afbf2bbdacebd7a86f13b3435263
SHA1

a87e805f9e4bd8b988dac76f9aae23e7b3ebdba9
SHA256

e96f5bcd69a3eae5fc82882825e06dd89c4da8aa8ec6ab0e4b9bafe524c947cb
SHA512

e313f0377694931262d609de95a45f945d91b9ea8d5e82b6ff33284e9dbe8723b8cc9b016d1ea70a683315aa705b0f7d6fe2c304b43204bd02f95d6a059cf060
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
2724	kmnoi.exe

Executes dropped EXE 2 IoCs

pid	Process
2724	kmnoi.exe
2748	evwcdbwi.exe

Loads dropped DLL 7 IoCs

pid	Process
1296	cmd.exe
1296	cmd.exe
2724	kmnoi.exe
2748	evwcdbwi.exe
2748	evwcdbwi.exe
2748	evwcdbwi.exe
2748	evwcdbwi.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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\Depend = "c:\\Program Files\\fzthz\\evwcdbwi.exe \"c:\\Program Files\\fzthz\\evwcdbwi.dll\",Compliance"	evwcdbwi.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)	\??\n:	evwcdbwi.exe
File opened (read-only)	\??\q:	evwcdbwi.exe
File opened (read-only)	\??\a:	evwcdbwi.exe
File opened (read-only)	\??\e:	evwcdbwi.exe
File opened (read-only)	\??\g:	evwcdbwi.exe
File opened (read-only)	\??\h:	evwcdbwi.exe
File opened (read-only)	\??\i:	evwcdbwi.exe
File opened (read-only)	\??\k:	evwcdbwi.exe
File opened (read-only)	\??\b:	evwcdbwi.exe
File opened (read-only)	\??\j:	evwcdbwi.exe
File opened (read-only)	\??\l:	evwcdbwi.exe
File opened (read-only)	\??\s:	evwcdbwi.exe
File opened (read-only)	\??\t:	evwcdbwi.exe
File opened (read-only)	\??\x:	evwcdbwi.exe
File opened (read-only)	\??\o:	evwcdbwi.exe
File opened (read-only)	\??\m:	evwcdbwi.exe
File opened (read-only)	\??\r:	evwcdbwi.exe
File opened (read-only)	\??\u:	evwcdbwi.exe
File opened (read-only)	\??\v:	evwcdbwi.exe
File opened (read-only)	\??\w:	evwcdbwi.exe
File opened (read-only)	\??\p:	evwcdbwi.exe
File opened (read-only)	\??\y:	evwcdbwi.exe
File opened (read-only)	\??\z:	evwcdbwi.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	evwcdbwi.exe

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File created	\??\c:\Program Files\fzthz\evwcdbwi.dll	kmnoi.exe
File created	\??\c:\Program Files\fzthz\evwcdbwi.exe	kmnoi.exe
File opened for modification	\??\c:\Program Files\fzthz\evwcdbwi.exe	kmnoi.exe
File opened for modification	\??\c:\Program Files\fzthz	kmnoi.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	e96f5bcd69a3eae5fc82882825e06dd89c4da8aa8ec6ab0e4b9bafe524c947cb.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	kmnoi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	evwcdbwi.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
1296	cmd.exe
2124	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	evwcdbwi.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	evwcdbwi.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2124	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2748	evwcdbwi.exe
2748	evwcdbwi.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2748	evwcdbwi.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2120	e96f5bcd69a3eae5fc82882825e06dd89c4da8aa8ec6ab0e4b9bafe524c947cb.exe
2724	kmnoi.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2120 wrote to memory of 1296	2120	e96f5bcd69a3eae5fc82882825e06dd89c4da8aa8ec6ab0e4b9bafe524c947cb.exe	31
PID 2120 wrote to memory of 1296	2120	e96f5bcd69a3eae5fc82882825e06dd89c4da8aa8ec6ab0e4b9bafe524c947cb.exe	31
PID 2120 wrote to memory of 1296	2120	e96f5bcd69a3eae5fc82882825e06dd89c4da8aa8ec6ab0e4b9bafe524c947cb.exe	31
PID 2120 wrote to memory of 1296	2120	e96f5bcd69a3eae5fc82882825e06dd89c4da8aa8ec6ab0e4b9bafe524c947cb.exe	31
PID 1296 wrote to memory of 2124	1296	cmd.exe	33
PID 1296 wrote to memory of 2124	1296	cmd.exe	33
PID 1296 wrote to memory of 2124	1296	cmd.exe	33
PID 1296 wrote to memory of 2124	1296	cmd.exe	33
PID 1296 wrote to memory of 2724	1296	cmd.exe	34
PID 1296 wrote to memory of 2724	1296	cmd.exe	34
PID 1296 wrote to memory of 2724	1296	cmd.exe	34
PID 1296 wrote to memory of 2724	1296	cmd.exe	34
PID 2724 wrote to memory of 2748	2724	kmnoi.exe	35
PID 2724 wrote to memory of 2748	2724	kmnoi.exe	35
PID 2724 wrote to memory of 2748	2724	kmnoi.exe	35
PID 2724 wrote to memory of 2748	2724	kmnoi.exe	35

C:\Users\Admin\AppData\Local\Temp\e96f5bcd69a3eae5fc82882825e06dd89c4da8aa8ec6ab0e4b9bafe524c947cb.exe
"C:\Users\Admin\AppData\Local\Temp\e96f5bcd69a3eae5fc82882825e06dd89c4da8aa8ec6ab0e4b9bafe524c947cb.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2120
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\kmnoi.exe "C:\Users\Admin\AppData\Local\Temp\e96f5bcd69a3eae5fc82882825e06dd89c4da8aa8ec6ab0e4b9bafe524c947cb.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:1296
- - 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:2124
- - C:\Users\Admin\AppData\Local\Temp\kmnoi.exe
    C:\Users\Admin\AppData\Local\Temp\\kmnoi.exe "C:\Users\Admin\AppData\Local\Temp\e96f5bcd69a3eae5fc82882825e06dd89c4da8aa8ec6ab0e4b9bafe524c947cb.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:2724
  - - \??\c:\Program Files\fzthz\evwcdbwi.exe
      "c:\Program Files\fzthz\evwcdbwi.exe" "c:\Program Files\fzthz\evwcdbwi.dll",Compliance C:\Users\Admin\AppData\Local\Temp\kmnoi.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:2748

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\fzthz\evwcdbwi.dll

Filesize
141KB

MD5
0e2276d6f4e8ccbef87c6a7f20137219

SHA1
3364e2e3ccd688f594006993146f6df7c152956f

SHA256
66b99ad51aacbe487ddad15a426184ee6771b2695f539d3db63317d41642ae6d

SHA512
505a607462a8b3e2c1266df88cd7b6748efce43fb031411ab9f11c1380e589a5d06590e5a2b302665d5c151fa89ee9a01fa2c1637e09109fb20bb389d0f64ee9

Download Submit
\Program Files\fzthz\evwcdbwi.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

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

Filesize
208KB

MD5
cec1afbf2bbdacebd7a86f13b3435263

SHA1
a87e805f9e4bd8b988dac76f9aae23e7b3ebdba9

SHA256
e96f5bcd69a3eae5fc82882825e06dd89c4da8aa8ec6ab0e4b9bafe524c947cb

SHA512
e313f0377694931262d609de95a45f945d91b9ea8d5e82b6ff33284e9dbe8723b8cc9b016d1ea70a683315aa705b0f7d6fe2c304b43204bd02f95d6a059cf060

Download Submit
memory/1296-8-0x0000000000120000-0x000000000016A000-memory.dmp

Filesize
296KB

Download
memory/1296-9-0x0000000000120000-0x000000000016A000-memory.dmp

Filesize
296KB

Download
memory/2120-2-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/2120-0-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/2120-1-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/2120-4-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/2724-20-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/2724-12-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/2724-13-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/2724-11-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/2748-29-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/2748-28-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/2748-30-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/2748-31-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/2748-32-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/2748-34-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads