gh0strat | 9750b44a13e7880b4bb9d1dbe057db085ec7577c21f14a52a5ca2acdbb19edaf

General

Target

9750b44a13e7880b4bb9d1dbe057db085ec7577c21f14a52a5ca2acdbb19edaf.exe
Size

207KB
MD5

69172d117ff8834caefae0438a27a0b7
SHA1

3133cc0720b19ba8c07e730a124ba1fc5df48b68
SHA256

9750b44a13e7880b4bb9d1dbe057db085ec7577c21f14a52a5ca2acdbb19edaf
SHA512

2edb394fd71122d24db98bc29220d5eb95d3636881b2628d252e1c487fd8dc9267ca29cd976a49b0db9b74a54882f23ba0e4ef53f454b297fcbc23af78da3610
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
1164	yksof.exe

Executes dropped EXE 2 IoCs

pid	Process
1164	yksof.exe
2980	mfi.exe

Loads dropped DLL 7 IoCs

pid	Process
796	cmd.exe
796	cmd.exe
1164	yksof.exe
2980	mfi.exe
2980	mfi.exe
2980	mfi.exe
2980	mfi.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-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\Depend = "c:\\Program Files\\hxjfw\\mfi.exe \"c:\\Program Files\\hxjfw\\mfick.dll\",Compliance"	mfi.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)	\??\k:	mfi.exe
File opened (read-only)	\??\q:	mfi.exe
File opened (read-only)	\??\r:	mfi.exe
File opened (read-only)	\??\m:	mfi.exe
File opened (read-only)	\??\o:	mfi.exe
File opened (read-only)	\??\z:	mfi.exe
File opened (read-only)	\??\e:	mfi.exe
File opened (read-only)	\??\n:	mfi.exe
File opened (read-only)	\??\p:	mfi.exe
File opened (read-only)	\??\s:	mfi.exe
File opened (read-only)	\??\t:	mfi.exe
File opened (read-only)	\??\v:	mfi.exe
File opened (read-only)	\??\x:	mfi.exe
File opened (read-only)	\??\b:	mfi.exe
File opened (read-only)	\??\g:	mfi.exe
File opened (read-only)	\??\h:	mfi.exe
File opened (read-only)	\??\i:	mfi.exe
File opened (read-only)	\??\l:	mfi.exe
File opened (read-only)	\??\u:	mfi.exe
File opened (read-only)	\??\w:	mfi.exe
File opened (read-only)	\??\y:	mfi.exe
File opened (read-only)	\??\a:	mfi.exe
File opened (read-only)	\??\j:	mfi.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	mfi.exe

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File opened for modification	\??\c:\Program Files\hxjfw	yksof.exe
File created	\??\c:\Program Files\hxjfw\mfick.dll	yksof.exe
File created	\??\c:\Program Files\hxjfw\mfi.exe	yksof.exe
File opened for modification	\??\c:\Program Files\hxjfw\mfi.exe	yksof.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	9750b44a13e7880b4bb9d1dbe057db085ec7577c21f14a52a5ca2acdbb19edaf.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	yksof.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mfi.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
796	cmd.exe
236	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	mfi.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	mfi.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
236	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2980	mfi.exe
2980	mfi.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2980	mfi.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2028	9750b44a13e7880b4bb9d1dbe057db085ec7577c21f14a52a5ca2acdbb19edaf.exe
1164	yksof.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2028 wrote to memory of 796	2028	9750b44a13e7880b4bb9d1dbe057db085ec7577c21f14a52a5ca2acdbb19edaf.exe	31
PID 2028 wrote to memory of 796	2028	9750b44a13e7880b4bb9d1dbe057db085ec7577c21f14a52a5ca2acdbb19edaf.exe	31
PID 2028 wrote to memory of 796	2028	9750b44a13e7880b4bb9d1dbe057db085ec7577c21f14a52a5ca2acdbb19edaf.exe	31
PID 2028 wrote to memory of 796	2028	9750b44a13e7880b4bb9d1dbe057db085ec7577c21f14a52a5ca2acdbb19edaf.exe	31
PID 796 wrote to memory of 236	796	cmd.exe	33
PID 796 wrote to memory of 236	796	cmd.exe	33
PID 796 wrote to memory of 236	796	cmd.exe	33
PID 796 wrote to memory of 236	796	cmd.exe	33
PID 796 wrote to memory of 1164	796	cmd.exe	34
PID 796 wrote to memory of 1164	796	cmd.exe	34
PID 796 wrote to memory of 1164	796	cmd.exe	34
PID 796 wrote to memory of 1164	796	cmd.exe	34
PID 1164 wrote to memory of 2980	1164	yksof.exe	35
PID 1164 wrote to memory of 2980	1164	yksof.exe	35
PID 1164 wrote to memory of 2980	1164	yksof.exe	35
PID 1164 wrote to memory of 2980	1164	yksof.exe	35

C:\Users\Admin\AppData\Local\Temp\9750b44a13e7880b4bb9d1dbe057db085ec7577c21f14a52a5ca2acdbb19edaf.exe
"C:\Users\Admin\AppData\Local\Temp\9750b44a13e7880b4bb9d1dbe057db085ec7577c21f14a52a5ca2acdbb19edaf.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2028
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\yksof.exe "C:\Users\Admin\AppData\Local\Temp\9750b44a13e7880b4bb9d1dbe057db085ec7577c21f14a52a5ca2acdbb19edaf.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:796
- - 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:236
- - C:\Users\Admin\AppData\Local\Temp\yksof.exe
    C:\Users\Admin\AppData\Local\Temp\\yksof.exe "C:\Users\Admin\AppData\Local\Temp\9750b44a13e7880b4bb9d1dbe057db085ec7577c21f14a52a5ca2acdbb19edaf.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:1164
  - - \??\c:\Program Files\hxjfw\mfi.exe
      "c:\Program Files\hxjfw\mfi.exe" "c:\Program Files\hxjfw\mfick.dll",Compliance C:\Users\Admin\AppData\Local\Temp\yksof.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:2980

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:\Users\Admin\AppData\Local\Temp\yksof.exe

Filesize
208KB

MD5
43cbebab9835e14d2028c31a8a0cc0e6

SHA1
a29d3f55d3d8bb3e53c5c79eb5abcb6305e85e0d

SHA256
ba0a5dff29153c1df104a16c159410d4a4c734d131af5bd55bd6d913648ef4c6

SHA512
29114a7127bba7f92c6f258bfc96444872d4da1e8a4fa157b97ef83faee0108af515fdee39dfc4d32ce2d4e99726739be0a93655d9bde84632978816ec3e125c

Download Submit
\??\c:\Program Files\hxjfw\mfick.dll

Filesize
141KB

MD5
8b88b5cdc4e8af05ccc9261b857f840f

SHA1
f2ac20b4669a5b31bd083c989c47c8d609100c04

SHA256
a231638ae761ad5cb34706fca9741bf0cf2cee4bf085967a90ab4bde4075b3d8

SHA512
aedb3423b40db17a3fa112f5c0756f4605410a2d578ce35ab4b21771e62d8bb95860588a62daa5d47177f1f32714cfa5dac66a28f637c1bd0514c27d4f0eb25b

Download Submit
\Program Files\hxjfw\mfi.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/796-9-0x0000000000280000-0x00000000002CA000-memory.dmp

Filesize
296KB

Download
memory/796-8-0x0000000000280000-0x00000000002CA000-memory.dmp

Filesize
296KB

Download
memory/1164-12-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/1164-11-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/1164-20-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/2028-4-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/2028-0-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/2028-2-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/2028-1-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/2980-27-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/2980-30-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/2980-29-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/2980-28-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/2980-31-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/2980-33-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/2980-35-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads