gh0strat | 5a94b33f4ef24a398089499cab5a9fa2f32610f97bde49bbc178c7f2dad2598f

General

Target

5a94b33f4ef24a398089499cab5a9fa2f32610f97bde49bbc178c7f2dad2598f.exe
Size

207KB
MD5

c9d720436e83a30bc1e16ff2737d8a22
SHA1

ba192740c249bf6c0d64c89a0b52810ac6766881
SHA256

5a94b33f4ef24a398089499cab5a9fa2f32610f97bde49bbc178c7f2dad2598f
SHA512

cba92b6bed50063d4334b084af153775320fd630704ea5a7389058bd908823f0368407fd7b34e0d4bcdd33e3ffa411fd0046924211bb103317e9fab3d401a909
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
3604	vqvjspm.exe

Executes dropped EXE 2 IoCs

pid	Process
3604	vqvjspm.exe
2100	dqou.exe

Loads dropped DLL 1 IoCs

pid	Process
2100	dqou.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-1-5-21-22591836-1183090055-1220658180-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Depend = "c:\\Program Files\\mchxtrhk\\dqou.exe \"c:\\Program Files\\mchxtrhk\\dqoux.dll\",Compliance"	dqou.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)	\??\s:	dqou.exe
File opened (read-only)	\??\u:	dqou.exe
File opened (read-only)	\??\v:	dqou.exe
File opened (read-only)	\??\w:	dqou.exe
File opened (read-only)	\??\q:	dqou.exe
File opened (read-only)	\??\i:	dqou.exe
File opened (read-only)	\??\k:	dqou.exe
File opened (read-only)	\??\l:	dqou.exe
File opened (read-only)	\??\n:	dqou.exe
File opened (read-only)	\??\r:	dqou.exe
File opened (read-only)	\??\t:	dqou.exe
File opened (read-only)	\??\a:	dqou.exe
File opened (read-only)	\??\e:	dqou.exe
File opened (read-only)	\??\g:	dqou.exe
File opened (read-only)	\??\x:	dqou.exe
File opened (read-only)	\??\y:	dqou.exe
File opened (read-only)	\??\z:	dqou.exe
File opened (read-only)	\??\h:	dqou.exe
File opened (read-only)	\??\j:	dqou.exe
File opened (read-only)	\??\m:	dqou.exe
File opened (read-only)	\??\p:	dqou.exe
File opened (read-only)	\??\b:	dqou.exe
File opened (read-only)	\??\o:	dqou.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	dqou.exe

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File opened for modification	\??\c:\Program Files\mchxtrhk	vqvjspm.exe
File created	\??\c:\Program Files\mchxtrhk\dqoux.dll	vqvjspm.exe
File created	\??\c:\Program Files\mchxtrhk\dqou.exe	vqvjspm.exe
File opened for modification	\??\c:\Program Files\mchxtrhk\dqou.exe	vqvjspm.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	vqvjspm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dqou.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5a94b33f4ef24a398089499cab5a9fa2f32610f97bde49bbc178c7f2dad2598f.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
844	cmd.exe
2520	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	dqou.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	dqou.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2520	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2100	dqou.exe
2100	dqou.exe
2100	dqou.exe
2100	dqou.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2100	dqou.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4004	5a94b33f4ef24a398089499cab5a9fa2f32610f97bde49bbc178c7f2dad2598f.exe
3604	vqvjspm.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4004 wrote to memory of 844	4004	5a94b33f4ef24a398089499cab5a9fa2f32610f97bde49bbc178c7f2dad2598f.exe	86
PID 4004 wrote to memory of 844	4004	5a94b33f4ef24a398089499cab5a9fa2f32610f97bde49bbc178c7f2dad2598f.exe	86
PID 4004 wrote to memory of 844	4004	5a94b33f4ef24a398089499cab5a9fa2f32610f97bde49bbc178c7f2dad2598f.exe	86
PID 844 wrote to memory of 2520	844	cmd.exe	89
PID 844 wrote to memory of 2520	844	cmd.exe	89
PID 844 wrote to memory of 2520	844	cmd.exe	89
PID 844 wrote to memory of 3604	844	cmd.exe	90
PID 844 wrote to memory of 3604	844	cmd.exe	90
PID 844 wrote to memory of 3604	844	cmd.exe	90
PID 3604 wrote to memory of 2100	3604	vqvjspm.exe	91
PID 3604 wrote to memory of 2100	3604	vqvjspm.exe	91
PID 3604 wrote to memory of 2100	3604	vqvjspm.exe	91

C:\Users\Admin\AppData\Local\Temp\5a94b33f4ef24a398089499cab5a9fa2f32610f97bde49bbc178c7f2dad2598f.exe
"C:\Users\Admin\AppData\Local\Temp\5a94b33f4ef24a398089499cab5a9fa2f32610f97bde49bbc178c7f2dad2598f.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4004
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\vqvjspm.exe "C:\Users\Admin\AppData\Local\Temp\5a94b33f4ef24a398089499cab5a9fa2f32610f97bde49bbc178c7f2dad2598f.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:844
- - 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:2520
- - C:\Users\Admin\AppData\Local\Temp\vqvjspm.exe
    C:\Users\Admin\AppData\Local\Temp\\vqvjspm.exe "C:\Users\Admin\AppData\Local\Temp\5a94b33f4ef24a398089499cab5a9fa2f32610f97bde49bbc178c7f2dad2598f.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:3604
  - - \??\c:\Program Files\mchxtrhk\dqou.exe
      "c:\Program Files\mchxtrhk\dqou.exe" "c:\Program Files\mchxtrhk\dqoux.dll",Compliance C:\Users\Admin\AppData\Local\Temp\vqvjspm.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:2100

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\mchxtrhk\dqou.exe

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

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

Filesize
208KB

MD5
7aff6ad30325a2480dae863b8c5481a0

SHA1
2a36df4c201f6bf1f559357ead56a9fb0352ff63

SHA256
28d37a1864ecbd961738f7faa9499f615dc72ca2188cf18c0ac9703e4f65a06c

SHA512
e1cf01f425d920591ff297aa19c2399dbd0e493fe9ac247d1f281321930a18a20f59eff175a3e5881f7d92a75b5a0ed65c9916393cfaf216b4ce65593b67ce21

Download Submit
\??\c:\Program Files\mchxtrhk\dqoux.dll

Filesize
141KB

MD5
0ff13b36c3d72b0fd9856d0a91b828d3

SHA1
b332e5bc59623fb19cdef1391806325ad2fd42ac

SHA256
a76d811d2b058875e505cf7adc56b88f5b4c78c4658408796c1faf6a04e52aa7

SHA512
268b5c073c75a6342c84284a7a8d275a3215cfeebe46bcb09caba18195f84c810b7d3de426fe5ffe3d01b38d8973bdbcc922dbe0e0ba22c4e2ac01fbe5ae5671

Download Submit
memory/2100-24-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/2100-21-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/2100-20-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/3604-16-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/3604-8-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/3604-10-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/3604-9-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/4004-0-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/4004-4-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/4004-1-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/4004-2-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads