gh0strat | d55b6d2d4ffb091aad47312fcfb0ad22dd42bb3317670d4eddaceca5b7b36794

General

Target

d55b6d2d4ffb091aad47312fcfb0ad22dd42bb3317670d4eddaceca5b7b36794.exe
Size

206KB
MD5

5d49b13768c017124708c34dced6d0a2
SHA1

586faf03a2bec56a06311ad341a19af6f14ec124
SHA256

d55b6d2d4ffb091aad47312fcfb0ad22dd42bb3317670d4eddaceca5b7b36794
SHA512

a7d2b8c1b7f5bd5469f5fac8103bb9bc314f50bfc98086a243e254ea4b662880ca8939580f55a7f24fd7fb8fc443e459e7e7bd332f3db778ff7c349d2917d342
SSDEEP

3072:fP5gvNVLIfHQja1RfmLQADwSKkhU+tLgT5lODbiC8r1PkT: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
6032	lktsxitay.exe

Executes dropped EXE 2 IoCs

pid	Process
6032	lktsxitay.exe
4692	bnonzq.exe

Loads dropped DLL 1 IoCs

pid	Process
4692	bnonzq.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-1-5-21-308834014-1004923324-1191300197-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Depend = "c:\\Program Files\\vsomjsce\\bnonzq.exe \"c:\\Program Files\\vsomjsce\\bnonzq.dll\",Compliance"	bnonzq.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)	\??\p:	bnonzq.exe
File opened (read-only)	\??\s:	bnonzq.exe
File opened (read-only)	\??\t:	bnonzq.exe
File opened (read-only)	\??\y:	bnonzq.exe
File opened (read-only)	\??\b:	bnonzq.exe
File opened (read-only)	\??\e:	bnonzq.exe
File opened (read-only)	\??\g:	bnonzq.exe
File opened (read-only)	\??\h:	bnonzq.exe
File opened (read-only)	\??\j:	bnonzq.exe
File opened (read-only)	\??\l:	bnonzq.exe
File opened (read-only)	\??\a:	bnonzq.exe
File opened (read-only)	\??\n:	bnonzq.exe
File opened (read-only)	\??\o:	bnonzq.exe
File opened (read-only)	\??\q:	bnonzq.exe
File opened (read-only)	\??\r:	bnonzq.exe
File opened (read-only)	\??\u:	bnonzq.exe
File opened (read-only)	\??\w:	bnonzq.exe
File opened (read-only)	\??\z:	bnonzq.exe
File opened (read-only)	\??\m:	bnonzq.exe
File opened (read-only)	\??\i:	bnonzq.exe
File opened (read-only)	\??\k:	bnonzq.exe
File opened (read-only)	\??\v:	bnonzq.exe
File opened (read-only)	\??\x:	bnonzq.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	bnonzq.exe

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File opened for modification	\??\c:\Program Files\vsomjsce	lktsxitay.exe
File created	\??\c:\Program Files\vsomjsce\bnonzq.dll	lktsxitay.exe
File created	\??\c:\Program Files\vsomjsce\bnonzq.exe	lktsxitay.exe
File opened for modification	\??\c:\Program Files\vsomjsce\bnonzq.exe	lktsxitay.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	d55b6d2d4ffb091aad47312fcfb0ad22dd42bb3317670d4eddaceca5b7b36794.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	lktsxitay.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bnonzq.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
4488	PING.EXE
4444	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 opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	bnonzq.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	bnonzq.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4488	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4692	bnonzq.exe
4692	bnonzq.exe
4692	bnonzq.exe
4692	bnonzq.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4692	bnonzq.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2308	d55b6d2d4ffb091aad47312fcfb0ad22dd42bb3317670d4eddaceca5b7b36794.exe
6032	lktsxitay.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2308 wrote to memory of 4444	2308	d55b6d2d4ffb091aad47312fcfb0ad22dd42bb3317670d4eddaceca5b7b36794.exe	87
PID 2308 wrote to memory of 4444	2308	d55b6d2d4ffb091aad47312fcfb0ad22dd42bb3317670d4eddaceca5b7b36794.exe	87
PID 2308 wrote to memory of 4444	2308	d55b6d2d4ffb091aad47312fcfb0ad22dd42bb3317670d4eddaceca5b7b36794.exe	87
PID 4444 wrote to memory of 4488	4444	cmd.exe	89
PID 4444 wrote to memory of 4488	4444	cmd.exe	89
PID 4444 wrote to memory of 4488	4444	cmd.exe	89
PID 4444 wrote to memory of 6032	4444	cmd.exe	91
PID 4444 wrote to memory of 6032	4444	cmd.exe	91
PID 4444 wrote to memory of 6032	4444	cmd.exe	91
PID 6032 wrote to memory of 4692	6032	lktsxitay.exe	93
PID 6032 wrote to memory of 4692	6032	lktsxitay.exe	93
PID 6032 wrote to memory of 4692	6032	lktsxitay.exe	93

C:\Users\Admin\AppData\Local\Temp\d55b6d2d4ffb091aad47312fcfb0ad22dd42bb3317670d4eddaceca5b7b36794.exe
"C:\Users\Admin\AppData\Local\Temp\d55b6d2d4ffb091aad47312fcfb0ad22dd42bb3317670d4eddaceca5b7b36794.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2308
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\lktsxitay.exe "C:\Users\Admin\AppData\Local\Temp\d55b6d2d4ffb091aad47312fcfb0ad22dd42bb3317670d4eddaceca5b7b36794.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:4444
- - 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:4488
- - C:\Users\Admin\AppData\Local\Temp\lktsxitay.exe
    C:\Users\Admin\AppData\Local\Temp\\lktsxitay.exe "C:\Users\Admin\AppData\Local\Temp\d55b6d2d4ffb091aad47312fcfb0ad22dd42bb3317670d4eddaceca5b7b36794.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:6032
  - - \??\c:\Program Files\vsomjsce\bnonzq.exe
      "c:\Program Files\vsomjsce\bnonzq.exe" "c:\Program Files\vsomjsce\bnonzq.dll",Compliance C:\Users\Admin\AppData\Local\Temp\lktsxitay.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:4692

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c c:\Program Files\vsomjsce\bnonzq.exe "c:\Program Files\vsomjsce\bnonzq.dll",Compliance
1⤵
PID:536

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\vsomjsce\bnonzq.exe

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

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

Filesize
206KB

MD5
36940800636af9bdc28ff972d709fa42

SHA1
02e5f3aa2d8006f4f478867ef9190eeac5646853

SHA256
7538d67825b6b6fa5cf590e1e5849260e9d8ae992bd57a5b00b04659206b580b

SHA512
75be0d89ae08a9cb7bce95f979f5f10466ffc46e3c958cf32331c68830a7730bfec19b0420b270b1ed45cc4c37033dd3b2a885e5e6e8b84fa4704bb183da791c

Download Submit
\??\c:\Program Files\vsomjsce\bnonzq.dll

Filesize
141KB

MD5
87171cd47c58ad1fa61fc595cd4e0cf6

SHA1
4b57970494fa75f34130211958816d4196e7dea1

SHA256
d38425e33d91ed44294938505eafcfa16ff2d0970556dbc921ee453339d8c405

SHA512
a68c23e9b237e9c36867924af7365fade2aa8f903ab025c7c972c2eaa4b3f69d75234c8a26451b2692c231eb8bff327056ae6aed1143dd1ff06137aa9c4e7f83

Download Submit
memory/2308-4-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/2308-0-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/2308-1-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/2308-2-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/4692-19-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/4692-21-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/4692-24-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/6032-9-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/6032-8-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/6032-15-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads