gh0strat | c12d8bd7612db17523784fc452fc092bda4bab47b7b490bc2caa4a6dc4afc74f

General

Target

c12d8bd7612db17523784fc452fc092bda4bab47b7b490bc2caa4a6dc4afc74f.exe
Size

207KB
MD5

5c1fdb0a54668171e7ac0588fe4d1252
SHA1

e12424f3028b81d0ccc2a9c4fb1bc76c712229dd
SHA256

c12d8bd7612db17523784fc452fc092bda4bab47b7b490bc2caa4a6dc4afc74f
SHA512

2483c02ce60b35f33e1d040f1702eb9328b7df51527f85e054f8007830282e1c7b8c68c95de29e0bb96182414e5dde6cb80929a49793c36d4d4834f9a40b483a
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
4156	yqrqm.exe

Executes dropped EXE 2 IoCs

pid	Process
4156	yqrqm.exe
4440	ucd.exe

Loads dropped DLL 1 IoCs

pid	Process
4440	ucd.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-1-5-21-925314154-1797147466-1467878628-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Depend = "c:\\Program Files\\aggrb\\ucd.exe \"c:\\Program Files\\aggrb\\ucdav.dll\",Compliance"	ucd.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)	\??\g:	ucd.exe
File opened (read-only)	\??\n:	ucd.exe
File opened (read-only)	\??\p:	ucd.exe
File opened (read-only)	\??\s:	ucd.exe
File opened (read-only)	\??\u:	ucd.exe
File opened (read-only)	\??\x:	ucd.exe
File opened (read-only)	\??\y:	ucd.exe
File opened (read-only)	\??\i:	ucd.exe
File opened (read-only)	\??\l:	ucd.exe
File opened (read-only)	\??\m:	ucd.exe
File opened (read-only)	\??\t:	ucd.exe
File opened (read-only)	\??\w:	ucd.exe
File opened (read-only)	\??\b:	ucd.exe
File opened (read-only)	\??\e:	ucd.exe
File opened (read-only)	\??\k:	ucd.exe
File opened (read-only)	\??\q:	ucd.exe
File opened (read-only)	\??\r:	ucd.exe
File opened (read-only)	\??\v:	ucd.exe
File opened (read-only)	\??\z:	ucd.exe
File opened (read-only)	\??\a:	ucd.exe
File opened (read-only)	\??\h:	ucd.exe
File opened (read-only)	\??\j:	ucd.exe
File opened (read-only)	\??\o:	ucd.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	ucd.exe

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File created	\??\c:\Program Files\aggrb\ucdav.dll	yqrqm.exe
File created	\??\c:\Program Files\aggrb\ucd.exe	yqrqm.exe
File opened for modification	\??\c:\Program Files\aggrb\ucd.exe	yqrqm.exe
File opened for modification	\??\c:\Program Files\aggrb	yqrqm.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	yqrqm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ucd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c12d8bd7612db17523784fc452fc092bda4bab47b7b490bc2caa4a6dc4afc74f.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
3840	cmd.exe
4652	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	ucd.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	ucd.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4652	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4440	ucd.exe
4440	ucd.exe
4440	ucd.exe
4440	ucd.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4440	ucd.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3736	c12d8bd7612db17523784fc452fc092bda4bab47b7b490bc2caa4a6dc4afc74f.exe
4156	yqrqm.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3736 wrote to memory of 3840	3736	c12d8bd7612db17523784fc452fc092bda4bab47b7b490bc2caa4a6dc4afc74f.exe	88
PID 3736 wrote to memory of 3840	3736	c12d8bd7612db17523784fc452fc092bda4bab47b7b490bc2caa4a6dc4afc74f.exe	88
PID 3736 wrote to memory of 3840	3736	c12d8bd7612db17523784fc452fc092bda4bab47b7b490bc2caa4a6dc4afc74f.exe	88
PID 3840 wrote to memory of 4652	3840	cmd.exe	90
PID 3840 wrote to memory of 4652	3840	cmd.exe	90
PID 3840 wrote to memory of 4652	3840	cmd.exe	90
PID 3840 wrote to memory of 4156	3840	cmd.exe	91
PID 3840 wrote to memory of 4156	3840	cmd.exe	91
PID 3840 wrote to memory of 4156	3840	cmd.exe	91
PID 4156 wrote to memory of 4440	4156	yqrqm.exe	92
PID 4156 wrote to memory of 4440	4156	yqrqm.exe	92
PID 4156 wrote to memory of 4440	4156	yqrqm.exe	92

C:\Users\Admin\AppData\Local\Temp\c12d8bd7612db17523784fc452fc092bda4bab47b7b490bc2caa4a6dc4afc74f.exe
"C:\Users\Admin\AppData\Local\Temp\c12d8bd7612db17523784fc452fc092bda4bab47b7b490bc2caa4a6dc4afc74f.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3736
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\yqrqm.exe "C:\Users\Admin\AppData\Local\Temp\c12d8bd7612db17523784fc452fc092bda4bab47b7b490bc2caa4a6dc4afc74f.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:3840
- - 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:4652
- - C:\Users\Admin\AppData\Local\Temp\yqrqm.exe
    C:\Users\Admin\AppData\Local\Temp\\yqrqm.exe "C:\Users\Admin\AppData\Local\Temp\c12d8bd7612db17523784fc452fc092bda4bab47b7b490bc2caa4a6dc4afc74f.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:4156
  - - \??\c:\Program Files\aggrb\ucd.exe
      "c:\Program Files\aggrb\ucd.exe" "c:\Program Files\aggrb\ucdav.dll",Compliance C:\Users\Admin\AppData\Local\Temp\yqrqm.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:4440

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\aggrb\ucd.exe

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

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

Filesize
207KB

MD5
77412bbc55b35f98f1a35983b8fa5020

SHA1
49cdb20fb146554b84a34baeef270de166b63fa1

SHA256
846f186b46f0dccc63bc55f3565bd3e4f1dd939902efb0d499eb6f0231d62ae1

SHA512
652371d35fc427abea8f8b441ad77cd3e5ad5625b8bcd829b3842cdad2e665ae650e6a53bf3993ce04f793ea47f6fbe510f32f8594f6e16c52b0b04813a3397c

Download Submit
\??\c:\Program Files\aggrb\ucdav.dll

Filesize
141KB

MD5
b283b79bab85dc1300f2ab81432fb3e7

SHA1
e7b1b3e1a0c7ec28478232fafe173fe53638a35a

SHA256
3f61b76ac26e30d2f3ac0ef66b2d186d595d80963cf4d5b46d3622f5b69e1b38

SHA512
ff33e420a48607dc19f907c49cc748d3b2f4f2284087b8915ba27bdade09eea89f5d14d5a55a8dfde94fc769871e11be1fa4d62f5f70ffd8a843a6cb206eb528

Download Submit
memory/3736-4-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/3736-0-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/3736-2-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/3736-1-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/4156-9-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/4156-8-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/4156-15-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/4440-19-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/4440-20-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/4440-23-0x0000000010000000-0x000000001004E000-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