gh0strat | e1b2834679d7ff912cd5d306731df4350f1a76033258d6cc861f67a4363c0406

General

Target

e1b2834679d7ff912cd5d306731df4350f1a76033258d6cc861f67a4363c0406.exe
Size

206KB
MD5

16048d1120331849721aa136e35c179b
SHA1

772e575366ead08240a41e15589e6f91c7e988d6
SHA256

e1b2834679d7ff912cd5d306731df4350f1a76033258d6cc861f67a4363c0406
SHA512

b1a982ece3f836e1994be4f98b7db9e58257a0bd41054fdca62095972cb86a66a86cc48aa6088e3df32b63f8d1e0fac2be744cf8d2c09d37c65cc84096dee689
SSDEEP

3072:fP5gvNVLIfHQja1RfmLQADwSKkhU+tLgT5lODbiC8r1PkT+:X2vnSwjaOcADw9cUeCOfU

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
216	qohfugk.exe

Executes dropped EXE 2 IoCs

pid	Process
216	qohfugk.exe
2824	vcrsshn.exe

Loads dropped DLL 1 IoCs

pid	Process
2824	vcrsshn.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-1-5-21-805952410-2104024357-1716932545-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Depend = "c:\\Program Files\\mxczehljo\\vcrsshn.exe \"c:\\Program Files\\mxczehljo\\vcrsshn.dll\",Compliance"	vcrsshn.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)	\??\i:	vcrsshn.exe
File opened (read-only)	\??\j:	vcrsshn.exe
File opened (read-only)	\??\o:	vcrsshn.exe
File opened (read-only)	\??\a:	vcrsshn.exe
File opened (read-only)	\??\b:	vcrsshn.exe
File opened (read-only)	\??\h:	vcrsshn.exe
File opened (read-only)	\??\k:	vcrsshn.exe
File opened (read-only)	\??\l:	vcrsshn.exe
File opened (read-only)	\??\m:	vcrsshn.exe
File opened (read-only)	\??\p:	vcrsshn.exe
File opened (read-only)	\??\q:	vcrsshn.exe
File opened (read-only)	\??\s:	vcrsshn.exe
File opened (read-only)	\??\t:	vcrsshn.exe
File opened (read-only)	\??\u:	vcrsshn.exe
File opened (read-only)	\??\v:	vcrsshn.exe
File opened (read-only)	\??\y:	vcrsshn.exe
File opened (read-only)	\??\z:	vcrsshn.exe
File opened (read-only)	\??\e:	vcrsshn.exe
File opened (read-only)	\??\n:	vcrsshn.exe
File opened (read-only)	\??\r:	vcrsshn.exe
File opened (read-only)	\??\w:	vcrsshn.exe
File opened (read-only)	\??\x:	vcrsshn.exe
File opened (read-only)	\??\g:	vcrsshn.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	vcrsshn.exe

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File opened for modification	\??\c:\Program Files\mxczehljo	qohfugk.exe
File created	\??\c:\Program Files\mxczehljo\vcrsshn.dll	qohfugk.exe
File created	\??\c:\Program Files\mxczehljo\vcrsshn.exe	qohfugk.exe
File opened for modification	\??\c:\Program Files\mxczehljo\vcrsshn.exe	qohfugk.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	e1b2834679d7ff912cd5d306731df4350f1a76033258d6cc861f67a4363c0406.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	qohfugk.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vcrsshn.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
3748	cmd.exe
4828	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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	vcrsshn.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	vcrsshn.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4828	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2824	vcrsshn.exe
2824	vcrsshn.exe
2824	vcrsshn.exe
2824	vcrsshn.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2824	vcrsshn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
5068	e1b2834679d7ff912cd5d306731df4350f1a76033258d6cc861f67a4363c0406.exe
216	qohfugk.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 5068 wrote to memory of 3748	5068	e1b2834679d7ff912cd5d306731df4350f1a76033258d6cc861f67a4363c0406.exe	90
PID 5068 wrote to memory of 3748	5068	e1b2834679d7ff912cd5d306731df4350f1a76033258d6cc861f67a4363c0406.exe	90
PID 5068 wrote to memory of 3748	5068	e1b2834679d7ff912cd5d306731df4350f1a76033258d6cc861f67a4363c0406.exe	90
PID 3748 wrote to memory of 4828	3748	cmd.exe	93
PID 3748 wrote to memory of 4828	3748	cmd.exe	93
PID 3748 wrote to memory of 4828	3748	cmd.exe	93
PID 3748 wrote to memory of 216	3748	cmd.exe	95
PID 3748 wrote to memory of 216	3748	cmd.exe	95
PID 3748 wrote to memory of 216	3748	cmd.exe	95
PID 216 wrote to memory of 2824	216	qohfugk.exe	96
PID 216 wrote to memory of 2824	216	qohfugk.exe	96
PID 216 wrote to memory of 2824	216	qohfugk.exe	96

C:\Users\Admin\AppData\Local\Temp\e1b2834679d7ff912cd5d306731df4350f1a76033258d6cc861f67a4363c0406.exe
"C:\Users\Admin\AppData\Local\Temp\e1b2834679d7ff912cd5d306731df4350f1a76033258d6cc861f67a4363c0406.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5068
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\qohfugk.exe "C:\Users\Admin\AppData\Local\Temp\e1b2834679d7ff912cd5d306731df4350f1a76033258d6cc861f67a4363c0406.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:3748
- - 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:4828
- - C:\Users\Admin\AppData\Local\Temp\qohfugk.exe
    C:\Users\Admin\AppData\Local\Temp\\qohfugk.exe "C:\Users\Admin\AppData\Local\Temp\e1b2834679d7ff912cd5d306731df4350f1a76033258d6cc861f67a4363c0406.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:216
  - - \??\c:\Program Files\mxczehljo\vcrsshn.exe
      "c:\Program Files\mxczehljo\vcrsshn.exe" "c:\Program Files\mxczehljo\vcrsshn.dll",Compliance C:\Users\Admin\AppData\Local\Temp\qohfugk.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:2824

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c c:\Program Files\mxczehljo\vcrsshn.exe "c:\Program Files\mxczehljo\vcrsshn.dll",Compliance
1⤵
PID:3704

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\mxczehljo\vcrsshn.exe

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

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

Filesize
206KB

MD5
64d0d8dd73c64d746acf9d1c1246fe3f

SHA1
e50ff813aef934ce61dfcaa41ca8377809fb262b

SHA256
827cd2dbc1d8294b90c160b1d1e09db0a249136aa9cb549f6728054991a1e62b

SHA512
20cd4ede8b2e69026634e8e0bea1857f1afaee0b31c9b779ee2eb8a8e0bf363c17efdfa1a32186645be14ff9f1ec49ff69d7244407431e7bb0bfa5ab54a0bce8

Download Submit
\??\c:\Program Files\mxczehljo\vcrsshn.dll

Filesize
141KB

MD5
725d44be1014ab16a639dc44543239f7

SHA1
70663857b3fc2766f666eac85276a90203177811

SHA256
68efefbac804b801e4c079312616d627b92cb42ed7a5d3e929c8c38f1917897e

SHA512
c4b9f81a31f53433faa0407b12f74b6e1aed56605e763b80a30ead5ce4797f32473a467826e71bb3b4cf160f48a9451b143d124ee7b83a6469b624862595b737

Download Submit
memory/216-9-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/216-10-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/216-16-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/2824-20-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/2824-21-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/2824-25-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/5068-5-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/5068-0-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/5068-2-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/5068-1-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads