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
2624	mfhlfq.exe

Executes dropped EXE 2 IoCs

pid	Process
2624	mfhlfq.exe
1648	bwjfexp.exe

Loads dropped DLL 1 IoCs

pid	Process
1648	bwjfexp.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-1-5-21-1170604239-850860757-3112005715-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Depend = "c:\\Program Files\\zaefmtzrt\\bwjfexp.exe \"c:\\Program Files\\zaefmtzrt\\bwjfexp.dll\",Compliance"	bwjfexp.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)	\??\b:	bwjfexp.exe
File opened (read-only)	\??\i:	bwjfexp.exe
File opened (read-only)	\??\o:	bwjfexp.exe
File opened (read-only)	\??\t:	bwjfexp.exe
File opened (read-only)	\??\u:	bwjfexp.exe
File opened (read-only)	\??\w:	bwjfexp.exe
File opened (read-only)	\??\z:	bwjfexp.exe
File opened (read-only)	\??\a:	bwjfexp.exe
File opened (read-only)	\??\g:	bwjfexp.exe
File opened (read-only)	\??\h:	bwjfexp.exe
File opened (read-only)	\??\n:	bwjfexp.exe
File opened (read-only)	\??\q:	bwjfexp.exe
File opened (read-only)	\??\r:	bwjfexp.exe
File opened (read-only)	\??\j:	bwjfexp.exe
File opened (read-only)	\??\k:	bwjfexp.exe
File opened (read-only)	\??\l:	bwjfexp.exe
File opened (read-only)	\??\s:	bwjfexp.exe
File opened (read-only)	\??\v:	bwjfexp.exe
File opened (read-only)	\??\x:	bwjfexp.exe
File opened (read-only)	\??\e:	bwjfexp.exe
File opened (read-only)	\??\m:	bwjfexp.exe
File opened (read-only)	\??\p:	bwjfexp.exe
File opened (read-only)	\??\y:	bwjfexp.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	bwjfexp.exe

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File opened for modification	\??\c:\Program Files\zaefmtzrt\bwjfexp.exe	mfhlfq.exe
File opened for modification	\??\c:\Program Files\zaefmtzrt	mfhlfq.exe
File created	\??\c:\Program Files\zaefmtzrt\bwjfexp.dll	mfhlfq.exe
File created	\??\c:\Program Files\zaefmtzrt\bwjfexp.exe	mfhlfq.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	mfhlfq.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bwjfexp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e96f5bcd69a3eae5fc82882825e06dd89c4da8aa8ec6ab0e4b9bafe524c947cb.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
1780	cmd.exe
1228	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	bwjfexp.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	bwjfexp.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1228	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1648	bwjfexp.exe
1648	bwjfexp.exe
1648	bwjfexp.exe
1648	bwjfexp.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1648	bwjfexp.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4080	e96f5bcd69a3eae5fc82882825e06dd89c4da8aa8ec6ab0e4b9bafe524c947cb.exe
2624	mfhlfq.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4080 wrote to memory of 1780	4080	e96f5bcd69a3eae5fc82882825e06dd89c4da8aa8ec6ab0e4b9bafe524c947cb.exe	86
PID 4080 wrote to memory of 1780	4080	e96f5bcd69a3eae5fc82882825e06dd89c4da8aa8ec6ab0e4b9bafe524c947cb.exe	86
PID 4080 wrote to memory of 1780	4080	e96f5bcd69a3eae5fc82882825e06dd89c4da8aa8ec6ab0e4b9bafe524c947cb.exe	86
PID 1780 wrote to memory of 1228	1780	cmd.exe	88
PID 1780 wrote to memory of 1228	1780	cmd.exe	88
PID 1780 wrote to memory of 1228	1780	cmd.exe	88
PID 1780 wrote to memory of 2624	1780	cmd.exe	92
PID 1780 wrote to memory of 2624	1780	cmd.exe	92
PID 1780 wrote to memory of 2624	1780	cmd.exe	92
PID 2624 wrote to memory of 1648	2624	mfhlfq.exe	93
PID 2624 wrote to memory of 1648	2624	mfhlfq.exe	93
PID 2624 wrote to memory of 1648	2624	mfhlfq.exe	93

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:4080
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\mfhlfq.exe "C:\Users\Admin\AppData\Local\Temp\e96f5bcd69a3eae5fc82882825e06dd89c4da8aa8ec6ab0e4b9bafe524c947cb.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:1780
- - 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:1228
- - C:\Users\Admin\AppData\Local\Temp\mfhlfq.exe
    C:\Users\Admin\AppData\Local\Temp\\mfhlfq.exe "C:\Users\Admin\AppData\Local\Temp\e96f5bcd69a3eae5fc82882825e06dd89c4da8aa8ec6ab0e4b9bafe524c947cb.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:2624
  - - \??\c:\Program Files\zaefmtzrt\bwjfexp.exe
      "c:\Program Files\zaefmtzrt\bwjfexp.exe" "c:\Program Files\zaefmtzrt\bwjfexp.dll",Compliance C:\Users\Admin\AppData\Local\Temp\mfhlfq.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:1648

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\zaefmtzrt\bwjfexp.exe

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

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

Filesize
208KB

MD5
8abb84cfbc3867c061dc3306e718e070

SHA1
20a59a5fc48bbd7241702cd2df5e8c409dc29662

SHA256
93f5babe99fd5ea65f3ce3b9b831a19dfdda0b4567ea4781bba8a4e9182c6fca

SHA512
14a8fc158140abd4060dd115357f33b95614b2ccc755875e2c06bfc018cb7e20e9f422639b68d97d8d21a3853b6fd7ba3539b0baaeb03ac4467a4f812093274e

Download Submit
\??\c:\Program Files\zaefmtzrt\bwjfexp.dll

Filesize
141KB

MD5
a9ef663588fc3e6834fb6cc9883d9d61

SHA1
f80e357307af5cca51b9faa70851b3644690730b

SHA256
3da42054db0883f7ea5c50cbcb8e39d5416e5f10ac8e13199eb1c4857a943ccb

SHA512
372e4e726a751454620098f44f60ffce715ef11eab57bebc09e6bdac4b366619c17388f0a4093a28ef63b6d0d739c642e5f74182becaf8c56bbd228a4c5098f0

Download Submit
memory/1648-24-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/1648-20-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/1648-19-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/2624-8-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/2624-15-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/2624-9-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/4080-0-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/4080-4-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/4080-1-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/4080-2-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads