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
3284	ggvvz.exe

Executes dropped EXE 2 IoCs

pid	Process
3284	ggvvz.exe
4552	zlz.exe

Loads dropped DLL 1 IoCs

pid	Process
4552	zlz.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-1-5-21-2278412438-3475196406-3686434223-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Depend = "c:\\Program Files\\hbsgn\\zlz.exe \"c:\\Program Files\\hbsgn\\zlzwr.dll\",Compliance"	zlz.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)	\??\x:	zlz.exe
File opened (read-only)	\??\y:	zlz.exe
File opened (read-only)	\??\k:	zlz.exe
File opened (read-only)	\??\l:	zlz.exe
File opened (read-only)	\??\o:	zlz.exe
File opened (read-only)	\??\p:	zlz.exe
File opened (read-only)	\??\q:	zlz.exe
File opened (read-only)	\??\s:	zlz.exe
File opened (read-only)	\??\w:	zlz.exe
File opened (read-only)	\??\e:	zlz.exe
File opened (read-only)	\??\g:	zlz.exe
File opened (read-only)	\??\i:	zlz.exe
File opened (read-only)	\??\n:	zlz.exe
File opened (read-only)	\??\v:	zlz.exe
File opened (read-only)	\??\z:	zlz.exe
File opened (read-only)	\??\j:	zlz.exe
File opened (read-only)	\??\m:	zlz.exe
File opened (read-only)	\??\t:	zlz.exe
File opened (read-only)	\??\u:	zlz.exe
File opened (read-only)	\??\a:	zlz.exe
File opened (read-only)	\??\b:	zlz.exe
File opened (read-only)	\??\h:	zlz.exe
File opened (read-only)	\??\r:	zlz.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	zlz.exe

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File created	\??\c:\Program Files\hbsgn\zlzwr.dll	ggvvz.exe
File created	\??\c:\Program Files\hbsgn\zlz.exe	ggvvz.exe
File opened for modification	\??\c:\Program Files\hbsgn\zlz.exe	ggvvz.exe
File opened for modification	\??\c:\Program Files\hbsgn	ggvvz.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	ggvvz.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	zlz.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
4980	cmd.exe
4784	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	zlz.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	zlz.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4784	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4552	zlz.exe
4552	zlz.exe
4552	zlz.exe
4552	zlz.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4552	zlz.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2540	9750b44a13e7880b4bb9d1dbe057db085ec7577c21f14a52a5ca2acdbb19edaf.exe
3284	ggvvz.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2540 wrote to memory of 4980	2540	9750b44a13e7880b4bb9d1dbe057db085ec7577c21f14a52a5ca2acdbb19edaf.exe	86
PID 2540 wrote to memory of 4980	2540	9750b44a13e7880b4bb9d1dbe057db085ec7577c21f14a52a5ca2acdbb19edaf.exe	86
PID 2540 wrote to memory of 4980	2540	9750b44a13e7880b4bb9d1dbe057db085ec7577c21f14a52a5ca2acdbb19edaf.exe	86
PID 4980 wrote to memory of 4784	4980	cmd.exe	88
PID 4980 wrote to memory of 4784	4980	cmd.exe	88
PID 4980 wrote to memory of 4784	4980	cmd.exe	88
PID 4980 wrote to memory of 3284	4980	cmd.exe	90
PID 4980 wrote to memory of 3284	4980	cmd.exe	90
PID 4980 wrote to memory of 3284	4980	cmd.exe	90
PID 3284 wrote to memory of 4552	3284	ggvvz.exe	91
PID 3284 wrote to memory of 4552	3284	ggvvz.exe	91
PID 3284 wrote to memory of 4552	3284	ggvvz.exe	91

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:2540
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\ggvvz.exe "C:\Users\Admin\AppData\Local\Temp\9750b44a13e7880b4bb9d1dbe057db085ec7577c21f14a52a5ca2acdbb19edaf.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:4980
- - 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:4784
- - C:\Users\Admin\AppData\Local\Temp\ggvvz.exe
    C:\Users\Admin\AppData\Local\Temp\\ggvvz.exe "C:\Users\Admin\AppData\Local\Temp\9750b44a13e7880b4bb9d1dbe057db085ec7577c21f14a52a5ca2acdbb19edaf.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:3284
  - - \??\c:\Program Files\hbsgn\zlz.exe
      "c:\Program Files\hbsgn\zlz.exe" "c:\Program Files\hbsgn\zlzwr.dll",Compliance C:\Users\Admin\AppData\Local\Temp\ggvvz.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:4552

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Program Files\hbsgn\zlz.exe

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

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

Filesize
208KB

MD5
bf2aa189722c153f38f862725b004e06

SHA1
fb5781b53a7614c506e2cb6f4fc69de84510f6d0

SHA256
ff51dcaa88ec4a0b7937d0aec271c8cdb204e758fac8bb3fd1682e3b7f118468

SHA512
b78f160223d86d9ee6ddfb80df87125d1179cafedc57747f6bb7b33bf91fe3304c52f9bc56bac89271439f969d1592be4a65be29170c94879c342b7c6d089617

Download Submit
\??\c:\Program Files\hbsgn\zlzwr.dll

Filesize
141KB

MD5
925c7c22a395d1a817a871fb71f848a8

SHA1
3e4580ca089e9c20d5730f21040aa2e55218846f

SHA256
d1785b5df56e8b619aa871d210ff3607b85be52fe5e4e35bde4093016118fb7a

SHA512
7c06bca5602bd917f06139faeb8685f9835ae8365785541658f5c15bf762e4dabfd3d86ebe2d2124e52a2ebdf91931cd6fc1bbe9270793a0120dccb278a2d391

Download Submit
memory/2540-4-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/2540-0-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/2540-1-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/2540-2-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/3284-8-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/3284-9-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/3284-15-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/4552-19-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/4552-20-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/4552-24-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads