gh0strat | 1b767d6b6c083960b4b3a91dddcc26ffec1337482ca645db358d4216d34c68f2

General

Target

1b767d6b6c083960b4b3a91dddcc26ffec1337482ca645db358d4216d34c68f2.exe
Size

188KB
MD5

ca28b1d6bd13f875666b6d17954501ac
SHA1

0453070d9edbac07b8bde3709d668e4eda8f3d33
SHA256

1b767d6b6c083960b4b3a91dddcc26ffec1337482ca645db358d4216d34c68f2
SHA512

b3b78549b0fa7379176c44f09a0580a4cb43dc5d19a358888e068b8065d3db38eea3530b56317b09f50e49b6b3b32e77c97f58f3023417600530d2ff6d31550c
SSDEEP

3072:HP5vwsQ9qKMJn3W2c3/bFqssLfRIG2MK+39RKPQVyFXu:vNKMJnGFYss9q23S+G

Score

10^/10

gh0strat bootkit discovery persistence rat spyware stealer

Malware Config

Extracted

Family

gh0strat

C2

107.163.56.251:6658

http://107.163.56.240:18963/main.php

http://107.163.56.241:18530/

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
2300	qtyqazqy.exe

Executes dropped EXE 2 IoCs

pid	Process
2300	qtyqazqy.exe
884	skttjlgug.exe

Loads dropped DLL 1 IoCs

pid	Process
884	skttjlgug.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-1-5-21-83325578-304917428-1200496059-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SHR = "c:\\Program Files\\flkny\\skttjlgug.exe \"c:\\Program Files\\flkny\\skttjlgug.dll\",Scheduler"	skttjlgug.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)	\??\j:	skttjlgug.exe
File opened (read-only)	\??\p:	skttjlgug.exe
File opened (read-only)	\??\q:	skttjlgug.exe
File opened (read-only)	\??\t:	skttjlgug.exe
File opened (read-only)	\??\x:	skttjlgug.exe
File opened (read-only)	\??\b:	skttjlgug.exe
File opened (read-only)	\??\e:	skttjlgug.exe
File opened (read-only)	\??\m:	skttjlgug.exe
File opened (read-only)	\??\u:	skttjlgug.exe
File opened (read-only)	\??\a:	skttjlgug.exe
File opened (read-only)	\??\k:	skttjlgug.exe
File opened (read-only)	\??\n:	skttjlgug.exe
File opened (read-only)	\??\r:	skttjlgug.exe
File opened (read-only)	\??\v:	skttjlgug.exe
File opened (read-only)	\??\l:	skttjlgug.exe
File opened (read-only)	\??\o:	skttjlgug.exe
File opened (read-only)	\??\s:	skttjlgug.exe
File opened (read-only)	\??\w:	skttjlgug.exe
File opened (read-only)	\??\y:	skttjlgug.exe
File opened (read-only)	\??\z:	skttjlgug.exe
File opened (read-only)	\??\g:	skttjlgug.exe
File opened (read-only)	\??\h:	skttjlgug.exe
File opened (read-only)	\??\i:	skttjlgug.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	skttjlgug.exe

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File opened for modification	\??\c:\Program Files\flkny	qtyqazqy.exe
File created	\??\c:\Program Files\flkny\skttjlgug.dll	qtyqazqy.exe
File created	\??\c:\Program Files\flkny\skttjlgug.exe	qtyqazqy.exe
File opened for modification	\??\c:\Program Files\flkny\skttjlgug.exe	qtyqazqy.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	1b767d6b6c083960b4b3a91dddcc26ffec1337482ca645db358d4216d34c68f2.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	qtyqazqy.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	skttjlgug.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
512	cmd.exe
4880	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	skttjlgug.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	skttjlgug.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4880	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
884	skttjlgug.exe
884	skttjlgug.exe
884	skttjlgug.exe
884	skttjlgug.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	884	skttjlgug.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3140	1b767d6b6c083960b4b3a91dddcc26ffec1337482ca645db358d4216d34c68f2.exe
2300	qtyqazqy.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3140 wrote to memory of 512	3140	1b767d6b6c083960b4b3a91dddcc26ffec1337482ca645db358d4216d34c68f2.exe	88
PID 3140 wrote to memory of 512	3140	1b767d6b6c083960b4b3a91dddcc26ffec1337482ca645db358d4216d34c68f2.exe	88
PID 3140 wrote to memory of 512	3140	1b767d6b6c083960b4b3a91dddcc26ffec1337482ca645db358d4216d34c68f2.exe	88
PID 512 wrote to memory of 4880	512	cmd.exe	90
PID 512 wrote to memory of 4880	512	cmd.exe	90
PID 512 wrote to memory of 4880	512	cmd.exe	90
PID 512 wrote to memory of 2300	512	cmd.exe	92
PID 512 wrote to memory of 2300	512	cmd.exe	92
PID 512 wrote to memory of 2300	512	cmd.exe	92
PID 2300 wrote to memory of 884	2300	qtyqazqy.exe	93
PID 2300 wrote to memory of 884	2300	qtyqazqy.exe	93
PID 2300 wrote to memory of 884	2300	qtyqazqy.exe	93

C:\Users\Admin\AppData\Local\Temp\1b767d6b6c083960b4b3a91dddcc26ffec1337482ca645db358d4216d34c68f2.exe
"C:\Users\Admin\AppData\Local\Temp\1b767d6b6c083960b4b3a91dddcc26ffec1337482ca645db358d4216d34c68f2.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3140
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\qtyqazqy.exe "C:\Users\Admin\AppData\Local\Temp\1b767d6b6c083960b4b3a91dddcc26ffec1337482ca645db358d4216d34c68f2.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:512
- - 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:4880
- - C:\Users\Admin\AppData\Local\Temp\qtyqazqy.exe
    C:\Users\Admin\AppData\Local\Temp\\qtyqazqy.exe "C:\Users\Admin\AppData\Local\Temp\1b767d6b6c083960b4b3a91dddcc26ffec1337482ca645db358d4216d34c68f2.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:2300
  - - \??\c:\Program Files\flkny\skttjlgug.exe
      "c:\Program Files\flkny\skttjlgug.exe" "c:\Program Files\flkny\skttjlgug.dll",Scheduler C:\Users\Admin\AppData\Local\Temp\qtyqazqy.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:884

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c c:\Program Files\flkny\skttjlgug.exe "c:\Program Files\flkny\skttjlgug.dll",Scheduler
1⤵
PID:1744

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\flkny\skttjlgug.exe

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

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

Filesize
188KB

MD5
c4121118213f5b34c2d52901f65fc3cd

SHA1
61c687fa4ffd4cb0a7053c57dd70ea336bccb4b6

SHA256
ab5e240387375cf363da780b1822a38d2a5e76c2957e097ac530055fa46dbe1a

SHA512
f4367d3249adbcd64af16f31623455747f79c54a19d0696d4e24efb2341a10af014b2946dcc130cfe5cff89e104aaca253c46b770153d8fd4f689b1f3deb1c77

Download Submit
\??\c:\Program Files\flkny\skttjlgug.dll

Filesize
135KB

MD5
cd83867c5d15fed8a42ba0927fc218a4

SHA1
08fa1a594d5bef1b19be1877f7e4872ed6e9d141

SHA256
f87105dba7e071816eb83d9ec5937d56d0b5ac883a34d10c08a1276ce24bd9d5

SHA512
95137d8df9ac6bc8a55439cb954b67152d20b0177f001288e6924d98be9cda5d8138c5fa532ed7e0617eb34029ac5bf2c9b3b0ef8cd5dea24d4c136e753663ce

Download Submit
memory/884-29-0x0000000010000000-0x000000001004C000-memory.dmp

Filesize
304KB

Download
memory/884-24-0x0000000010000000-0x000000001004C000-memory.dmp

Filesize
304KB

Download
memory/884-22-0x0000000010000000-0x000000001004C000-memory.dmp

Filesize
304KB

Download
memory/884-20-0x0000000010000000-0x000000001004C000-memory.dmp

Filesize
304KB

Download
memory/884-19-0x0000000010000000-0x000000001004C000-memory.dmp

Filesize
304KB

Download
memory/2300-8-0x0000000000400000-0x0000000000443208-memory.dmp

Filesize
268KB

Download
memory/2300-15-0x0000000000400000-0x0000000000443208-memory.dmp

Filesize
268KB

Download
memory/2300-9-0x0000000000400000-0x0000000000443208-memory.dmp

Filesize
268KB

Download
memory/3140-0-0x0000000000400000-0x0000000000443208-memory.dmp

Filesize
268KB

Download
memory/3140-4-0x0000000000400000-0x0000000000443208-memory.dmp

Filesize
268KB

Download
memory/3140-2-0x0000000000400000-0x0000000000443208-memory.dmp

Filesize
268KB

Download
memory/3140-1-0x0000000000400000-0x0000000000443208-memory.dmp

Filesize
268KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads