gh0strat | c8419c826d3ad8f927166961c9447abde6322c72d2527acd0d3cf3302c2ed1b1

General

Target

c8419c826d3ad8f927166961c9447abde6322c72d2527acd0d3cf3302c2ed1b1.exe
Size

207KB
MD5

4c9162f7f91b170993b997ed977c6cc7
SHA1

085f669fae4d0a6f4a2a02b26dc839c67278ab29
SHA256

c8419c826d3ad8f927166961c9447abde6322c72d2527acd0d3cf3302c2ed1b1
SHA512

70697ebfc3bc60672f9d2bb86ecdaf5542921415cd03144abbf0fd2ae7921afddce8959791f925d07eac1e716b037119c7ed4471b9154ac82d29eda42dcc52e2
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
60	eldgmzsww.exe

Executes dropped EXE 2 IoCs

pid	Process
60	eldgmzsww.exe
4568	lra.exe

Loads dropped DLL 1 IoCs

pid	Process
4568	lra.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-1-5-21-100612193-3312047696-905266872-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Depend = "c:\\Program Files\\zzejw\\lra.exe \"c:\\Program Files\\zzejw\\lrale.dll\",Compliance"	lra.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)	\??\b:	lra.exe
File opened (read-only)	\??\e:	lra.exe
File opened (read-only)	\??\l:	lra.exe
File opened (read-only)	\??\m:	lra.exe
File opened (read-only)	\??\n:	lra.exe
File opened (read-only)	\??\r:	lra.exe
File opened (read-only)	\??\s:	lra.exe
File opened (read-only)	\??\w:	lra.exe
File opened (read-only)	\??\k:	lra.exe
File opened (read-only)	\??\o:	lra.exe
File opened (read-only)	\??\t:	lra.exe
File opened (read-only)	\??\u:	lra.exe
File opened (read-only)	\??\x:	lra.exe
File opened (read-only)	\??\y:	lra.exe
File opened (read-only)	\??\q:	lra.exe
File opened (read-only)	\??\a:	lra.exe
File opened (read-only)	\??\i:	lra.exe
File opened (read-only)	\??\p:	lra.exe
File opened (read-only)	\??\v:	lra.exe
File opened (read-only)	\??\z:	lra.exe
File opened (read-only)	\??\g:	lra.exe
File opened (read-only)	\??\h:	lra.exe
File opened (read-only)	\??\j:	lra.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	lra.exe

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File opened for modification	\??\c:\Program Files\zzejw	eldgmzsww.exe
File created	\??\c:\Program Files\zzejw\lrale.dll	eldgmzsww.exe
File created	\??\c:\Program Files\zzejw\lra.exe	eldgmzsww.exe
File opened for modification	\??\c:\Program Files\zzejw\lra.exe	eldgmzsww.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	c8419c826d3ad8f927166961c9447abde6322c72d2527acd0d3cf3302c2ed1b1.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	eldgmzsww.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lra.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
3408	cmd.exe
2440	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	lra.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	lra.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2440	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4568	lra.exe
4568	lra.exe
4568	lra.exe
4568	lra.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4568	lra.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2772	c8419c826d3ad8f927166961c9447abde6322c72d2527acd0d3cf3302c2ed1b1.exe
60	eldgmzsww.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2772 wrote to memory of 3408	2772	c8419c826d3ad8f927166961c9447abde6322c72d2527acd0d3cf3302c2ed1b1.exe	87
PID 2772 wrote to memory of 3408	2772	c8419c826d3ad8f927166961c9447abde6322c72d2527acd0d3cf3302c2ed1b1.exe	87
PID 2772 wrote to memory of 3408	2772	c8419c826d3ad8f927166961c9447abde6322c72d2527acd0d3cf3302c2ed1b1.exe	87
PID 3408 wrote to memory of 2440	3408	cmd.exe	90
PID 3408 wrote to memory of 2440	3408	cmd.exe	90
PID 3408 wrote to memory of 2440	3408	cmd.exe	90
PID 3408 wrote to memory of 60	3408	cmd.exe	93
PID 3408 wrote to memory of 60	3408	cmd.exe	93
PID 3408 wrote to memory of 60	3408	cmd.exe	93
PID 60 wrote to memory of 4568	60	eldgmzsww.exe	94
PID 60 wrote to memory of 4568	60	eldgmzsww.exe	94
PID 60 wrote to memory of 4568	60	eldgmzsww.exe	94

C:\Users\Admin\AppData\Local\Temp\c8419c826d3ad8f927166961c9447abde6322c72d2527acd0d3cf3302c2ed1b1.exe
"C:\Users\Admin\AppData\Local\Temp\c8419c826d3ad8f927166961c9447abde6322c72d2527acd0d3cf3302c2ed1b1.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2772
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\eldgmzsww.exe "C:\Users\Admin\AppData\Local\Temp\c8419c826d3ad8f927166961c9447abde6322c72d2527acd0d3cf3302c2ed1b1.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:3408
- - 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:2440
- - C:\Users\Admin\AppData\Local\Temp\eldgmzsww.exe
    C:\Users\Admin\AppData\Local\Temp\\eldgmzsww.exe "C:\Users\Admin\AppData\Local\Temp\c8419c826d3ad8f927166961c9447abde6322c72d2527acd0d3cf3302c2ed1b1.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:60
  - - \??\c:\Program Files\zzejw\lra.exe
      "c:\Program Files\zzejw\lra.exe" "c:\Program Files\zzejw\lrale.dll",Compliance C:\Users\Admin\AppData\Local\Temp\eldgmzsww.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:4568

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\zzejw\lra.exe

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
C:\Program Files\zzejw\lrale.dll

Filesize
141KB

MD5
b5716df76ee4ce376c27f47607f8339b

SHA1
60b2f3bdee3bc998d015916053652304c30ef71b

SHA256
42fd7c1223e700f3290f409546dbddaa30da335cc3c83218561b5a79494c4e3a

SHA512
b74814fd9efda4e77bb41182cadf1ad8a5b64f608fe8df1d796d3f8c523e5adf680c65455b6fcbe92e47d56ba859cdb02dfaa22dbbcc13675941e7b09210d9e6

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

Filesize
208KB

MD5
c719cf7189dce1d66dd8b107b958a11e

SHA1
9a2ad01098e04b20bb1edd1caff70996d8ea647b

SHA256
bd635b94e209a3f5d9bcc844b34f9581a24571fc39205031133403072c08e73c

SHA512
352599c19242b0fddf25b3018cf951aab45939cefdbbcd8e867849eaeaaf9ddcf05765a7c719c5ffc6178eb037fe566a3b5ab8c580a4f0a4cd569bafad7770b6

Download Submit
memory/60-8-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/60-9-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/60-15-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/2772-4-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/2772-0-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/2772-2-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/2772-1-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/4568-19-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/4568-20-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/4568-21-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/4568-24-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads