Malware Analysis Report

2024-12-07 03:17

Sample ID 241114-c4kdfssnf1
Target 36357c233bd35d454225ef28512b20a3524275fcbabab9a12ea47c06a9f275ffN.exe
SHA256 36357c233bd35d454225ef28512b20a3524275fcbabab9a12ea47c06a9f275ff
Tags
gh0strat discovery persistence rat
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

36357c233bd35d454225ef28512b20a3524275fcbabab9a12ea47c06a9f275ff

Threat Level: Known bad

The file 36357c233bd35d454225ef28512b20a3524275fcbabab9a12ea47c06a9f275ffN.exe was found to be: Known bad.

Malicious Activity Summary

gh0strat discovery persistence rat

Gh0st RAT payload

Gh0strat

Gh0strat family

Adds Run key to start application

Drops file in System32 directory

Drops file in Windows directory

System Location Discovery: System Language Discovery

Unsigned PE

Checks processor information in registry

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-14 02:37

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-14 02:37

Reported

2024-11-14 02:39

Platform

win7-20240903-en

Max time kernel

117s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\36357c233bd35d454225ef28512b20a3524275fcbabab9a12ea47c06a9f275ffN.exe"

Signatures

Gh0st RAT payload

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Gh0strat

rat gh0strat

Gh0strat family

gh0strat

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\XXXXXX579E5A5B VVVVVVrr2unw== = "C:\\Windows\\XXXXXX579E5A5B VVVVVVrr2unw==\\svchsot.exe" C:\Users\Admin\AppData\Local\Temp\36357c233bd35d454225ef28512b20a3524275fcbabab9a12ea47c06a9f275ffN.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File created C:\Windows\SysWOW64\579E5A5B VVVVVVrr2unw== C:\Users\Admin\AppData\Local\Temp\36357c233bd35d454225ef28512b20a3524275fcbabab9a12ea47c06a9f275ffN.exe N/A
File opened for modification C:\Windows\SysWOW64\579E5A5B VVVVVVrr2unw== C:\Users\Admin\AppData\Local\Temp\36357c233bd35d454225ef28512b20a3524275fcbabab9a12ea47c06a9f275ffN.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\XXXXXX579E5A5B VVVVVVrr2unw==\svchsot.exe C:\Users\Admin\AppData\Local\Temp\36357c233bd35d454225ef28512b20a3524275fcbabab9a12ea47c06a9f275ffN.exe N/A
File opened for modification C:\Windows\XXXXXX579E5A5B VVVVVVrr2unw==\svchsot.exe C:\Users\Admin\AppData\Local\Temp\36357c233bd35d454225ef28512b20a3524275fcbabab9a12ea47c06a9f275ffN.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\36357c233bd35d454225ef28512b20a3524275fcbabab9a12ea47c06a9f275ffN.exe N/A

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 C:\Users\Admin\AppData\Local\Temp\36357c233bd35d454225ef28512b20a3524275fcbabab9a12ea47c06a9f275ffN.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz C:\Users\Admin\AppData\Local\Temp\36357c233bd35d454225ef28512b20a3524275fcbabab9a12ea47c06a9f275ffN.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\36357c233bd35d454225ef28512b20a3524275fcbabab9a12ea47c06a9f275ffN.exe

"C:\Users\Admin\AppData\Local\Temp\36357c233bd35d454225ef28512b20a3524275fcbabab9a12ea47c06a9f275ffN.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 www.wk1888.com udp
US 172.65.190.172:8000 www.wk1888.com tcp
US 172.65.190.172:8000 www.wk1888.com tcp
US 172.65.190.172:8000 www.wk1888.com tcp
US 172.65.190.172:8000 www.wk1888.com tcp

Files

memory/2256-0-0x0000000010000000-0x0000000010121000-memory.dmp

memory/2256-3-0x00000000005D0000-0x00000000005D1000-memory.dmp

memory/2256-2-0x0000000010000000-0x0000000010121000-memory.dmp

memory/2256-7-0x0000000010000000-0x0000000010121000-memory.dmp

memory/2256-4-0x0000000010000000-0x0000000010121000-memory.dmp

memory/2256-13-0x0000000010000000-0x0000000010121000-memory.dmp

memory/2256-14-0x00000000005D0000-0x00000000005D1000-memory.dmp

C:\Windows\SysWOW64\579E5A5B VVVVVVrr2unw==

MD5 7a1920d61156abc05a60135aefe8bc67
SHA1 808d7dca8a74d84af27a2d6602c3d786de45fe1e
SHA256 21b111cbfe6e8fca2d181c43f53ad548b22e38aca955b9824706a504b0a07a2d
SHA512 94abfc7b11f4311e8e279b580907fefc1118690479fb7e13f0c22ade816bc2b63346498833b0241eec2b09e15172e13027dc85024bacb7bc40c150f4131f7292

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-14 02:37

Reported

2024-11-14 02:39

Platform

win10v2004-20241007-en

Max time kernel

93s

Max time network

94s

Command Line

"C:\Users\Admin\AppData\Local\Temp\36357c233bd35d454225ef28512b20a3524275fcbabab9a12ea47c06a9f275ffN.exe"

Signatures

Gh0st RAT payload

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Gh0strat

rat gh0strat

Gh0strat family

gh0strat

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\XXXXXX579E5A5B VVVVVVrr2unw== = "C:\\Windows\\XXXXXX579E5A5B VVVVVVrr2unw==\\svchsot.exe" C:\Users\Admin\AppData\Local\Temp\36357c233bd35d454225ef28512b20a3524275fcbabab9a12ea47c06a9f275ffN.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\Default C:\Users\Admin\AppData\Local\Temp\36357c233bd35d454225ef28512b20a3524275fcbabab9a12ea47c06a9f275ffN.exe N/A
File created C:\Windows\SysWOW64\579E5A5B VVVVVVrr2unw== C:\Users\Admin\AppData\Local\Temp\36357c233bd35d454225ef28512b20a3524275fcbabab9a12ea47c06a9f275ffN.exe N/A
File opened for modification C:\Windows\SysWOW64\579E5A5B VVVVVVrr2unw== C:\Users\Admin\AppData\Local\Temp\36357c233bd35d454225ef28512b20a3524275fcbabab9a12ea47c06a9f275ffN.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File opened for modification C:\Windows\XXXXXX579E5A5B VVVVVVrr2unw==\svchsot.exe C:\Users\Admin\AppData\Local\Temp\36357c233bd35d454225ef28512b20a3524275fcbabab9a12ea47c06a9f275ffN.exe N/A
File created C:\Windows\XXXXXX579E5A5B VVVVVVrr2unw==\svchsot.exe C:\Users\Admin\AppData\Local\Temp\36357c233bd35d454225ef28512b20a3524275fcbabab9a12ea47c06a9f275ffN.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\36357c233bd35d454225ef28512b20a3524275fcbabab9a12ea47c06a9f275ffN.exe N/A

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 C:\Users\Admin\AppData\Local\Temp\36357c233bd35d454225ef28512b20a3524275fcbabab9a12ea47c06a9f275ffN.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz C:\Users\Admin\AppData\Local\Temp\36357c233bd35d454225ef28512b20a3524275fcbabab9a12ea47c06a9f275ffN.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\36357c233bd35d454225ef28512b20a3524275fcbabab9a12ea47c06a9f275ffN.exe

"C:\Users\Admin\AppData\Local\Temp\36357c233bd35d454225ef28512b20a3524275fcbabab9a12ea47c06a9f275ffN.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 www.wk1888.com udp
US 172.65.190.172:8000 www.wk1888.com tcp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 172.190.65.172.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 72.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 172.65.190.172:8000 www.wk1888.com tcp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 24.139.73.23.in-addr.arpa udp
US 172.65.190.172:8000 www.wk1888.com tcp
US 8.8.8.8:53 101.210.23.2.in-addr.arpa udp
US 172.65.190.172:8000 www.wk1888.com tcp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp

Files

memory/4764-2-0x0000000010000000-0x0000000010121000-memory.dmp

memory/4764-4-0x0000000010000000-0x0000000010121000-memory.dmp

memory/4764-9-0x0000000000800000-0x0000000000840000-memory.dmp

memory/4764-8-0x0000000010000000-0x0000000010121000-memory.dmp

memory/4764-5-0x0000000010000000-0x0000000010121000-memory.dmp

memory/4764-0-0x0000000010000000-0x0000000010121000-memory.dmp

memory/4764-13-0x0000000010000000-0x0000000010121000-memory.dmp

memory/4764-15-0x0000000000800000-0x0000000000840000-memory.dmp

C:\Windows\SysWOW64\579E5A5B VVVVVVrr2unw==

MD5 7a1920d61156abc05a60135aefe8bc67
SHA1 808d7dca8a74d84af27a2d6602c3d786de45fe1e
SHA256 21b111cbfe6e8fca2d181c43f53ad548b22e38aca955b9824706a504b0a07a2d
SHA512 94abfc7b11f4311e8e279b580907fefc1118690479fb7e13f0c22ade816bc2b63346498833b0241eec2b09e15172e13027dc85024bacb7bc40c150f4131f7292