Malware Analysis Report

2024-10-19 08:29

Sample ID 240125-v84l1acgfr
Target 751e5c1201bb0c9821aea59fa2baf7c5
SHA256 5bc539044959631e8942d9fa7fc7c032a80577ff7ec1113996177aa6bfdf90b2
Tags
kinsing loader
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

5bc539044959631e8942d9fa7fc7c032a80577ff7ec1113996177aa6bfdf90b2

Threat Level: Known bad

The file 751e5c1201bb0c9821aea59fa2baf7c5 was found to be: Known bad.

Malicious Activity Summary

kinsing loader

Kinsing

Executes dropped EXE

Deletes itself

Loads dropped DLL

Legitimate hosting services abused for malware hosting/C2

Unsigned PE

Suspicious use of WriteProcessMemory

Modifies system certificate store

Suspicious behavior: RenamesItself

Suspicious use of UnmapMainImage

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-01-25 17:40

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-01-25 17:40

Reported

2024-01-25 17:43

Platform

win7-20231215-en

Max time kernel

121s

Max time network

125s

Command Line

"C:\Users\Admin\AppData\Local\Temp\751e5c1201bb0c9821aea59fa2baf7c5.exe"

Signatures

Deletes itself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\751e5c1201bb0c9821aea59fa2baf7c5.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\751e5c1201bb0c9821aea59fa2baf7c5.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\751e5c1201bb0c9821aea59fa2baf7c5.exe N/A

Legitimate hosting services abused for malware hosting/C2

Description Indicator Process Target
N/A pastebin.com N/A N/A
N/A pastebin.com N/A N/A

Modifies system certificate store

evasion spyware trojan
Description Indicator Process Target
Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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 C:\Users\Admin\AppData\Local\Temp\751e5c1201bb0c9821aea59fa2baf7c5.exe N/A
Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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 C:\Users\Admin\AppData\Local\Temp\751e5c1201bb0c9821aea59fa2baf7c5.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474 C:\Users\Admin\AppData\Local\Temp\751e5c1201bb0c9821aea59fa2baf7c5.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\751e5c1201bb0c9821aea59fa2baf7c5.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\751e5c1201bb0c9821aea59fa2baf7c5.exe

"C:\Users\Admin\AppData\Local\Temp\751e5c1201bb0c9821aea59fa2baf7c5.exe"

C:\Users\Admin\AppData\Local\Temp\751e5c1201bb0c9821aea59fa2baf7c5.exe

C:\Users\Admin\AppData\Local\Temp\751e5c1201bb0c9821aea59fa2baf7c5.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 pastebin.com udp
US 104.20.67.143:443 pastebin.com tcp

Files

memory/3000-0-0x0000000000400000-0x0000000000466000-memory.dmp

memory/3000-2-0x0000000000400000-0x000000000045F000-memory.dmp

memory/3000-1-0x0000000000310000-0x0000000000376000-memory.dmp

\Users\Admin\AppData\Local\Temp\751e5c1201bb0c9821aea59fa2baf7c5.exe

MD5 682007bad3664806a1a3a4b65a85ce0e
SHA1 64973d70da5ebdd4dfd70e3db10e03e3ac59f38a
SHA256 84c60246ed56822a41763e903ec30fa8d521fcec7b4961b2f3ee558df6973b86
SHA512 5361329cfb31d804d9aa4e13cb93e2f2a457d5b765872240a6b2aa5f741852ac5e04b670eeeba9435262923d2add4b773333e821464457f63b36c7f1f1b02af0

memory/3000-14-0x0000000000400000-0x000000000045F000-memory.dmp

memory/3000-12-0x0000000000380000-0x00000000003E6000-memory.dmp

memory/2416-16-0x0000000001470000-0x00000000014D6000-memory.dmp

memory/2416-24-0x0000000002DA0000-0x0000000002DFF000-memory.dmp

memory/2416-22-0x0000000000400000-0x000000000043C000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\Cab9687.tmp

MD5 ac05d27423a85adc1622c714f2cb6184
SHA1 b0fe2b1abddb97837ea0195be70ab2ff14d43198
SHA256 c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d
SHA512 6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

C:\Users\Admin\AppData\Local\Temp\Tar96E8.tmp

MD5 9c0c641c06238516f27941aa1166d427
SHA1 64cd549fb8cf014fcd9312aa7a5b023847b6c977
SHA256 4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f
SHA512 936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

memory/2416-76-0x0000000000400000-0x000000000040E000-memory.dmp

memory/2416-78-0x000000000D700000-0x000000000D73C000-memory.dmp

memory/2416-82-0x0000000000400000-0x000000000040E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-01-25 17:40

Reported

2024-01-25 17:43

Platform

win10v2004-20231215-en

Max time kernel

150s

Max time network

146s

Command Line

"C:\Users\Admin\AppData\Local\Temp\751e5c1201bb0c9821aea59fa2baf7c5.exe"

Signatures

Kinsing

loader kinsing

Deletes itself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\751e5c1201bb0c9821aea59fa2baf7c5.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\751e5c1201bb0c9821aea59fa2baf7c5.exe N/A

Legitimate hosting services abused for malware hosting/C2

Description Indicator Process Target
N/A pastebin.com N/A N/A
N/A pastebin.com N/A N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\751e5c1201bb0c9821aea59fa2baf7c5.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\751e5c1201bb0c9821aea59fa2baf7c5.exe

"C:\Users\Admin\AppData\Local\Temp\751e5c1201bb0c9821aea59fa2baf7c5.exe"

C:\Users\Admin\AppData\Local\Temp\751e5c1201bb0c9821aea59fa2baf7c5.exe

C:\Users\Admin\AppData\Local\Temp\751e5c1201bb0c9821aea59fa2baf7c5.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 pastebin.com udp
US 104.20.67.143:443 pastebin.com tcp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 143.67.20.104.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 68.32.126.40.in-addr.arpa udp
NL 52.142.223.178:80 tcp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 105.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 173.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp
GB 96.16.110.114:80 tcp
US 8.8.8.8:53 udp
US 138.91.171.81:80 tcp

Files

memory/1604-0-0x0000000000400000-0x0000000000466000-memory.dmp

memory/1604-1-0x0000000000140000-0x00000000001A6000-memory.dmp

memory/1604-2-0x0000000000400000-0x000000000045F000-memory.dmp

memory/1604-11-0x0000000000400000-0x000000000045F000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\751e5c1201bb0c9821aea59fa2baf7c5.exe

MD5 65354b17f6ce1af5ec969744b58a8695
SHA1 31b6f2363ae9dd7c3853c67aee05f0ae944bd1db
SHA256 ac642458f2b79fa9453cddd748f857e33c98f866d4343bd569f54c5637b7eff3
SHA512 602307a8d077402cea496a84e933d72f7abf185834f9f78d51ec435fcca4d5d5d1b636f26787bec6539b22ac549e5845571e9771c034d645cd956f9691adca94

memory/644-13-0x0000000000400000-0x0000000000466000-memory.dmp

memory/644-15-0x0000000001630000-0x0000000001696000-memory.dmp

memory/644-20-0x0000000004E90000-0x0000000004EEF000-memory.dmp

memory/644-21-0x0000000000400000-0x000000000043C000-memory.dmp

memory/644-30-0x0000000000400000-0x000000000040E000-memory.dmp

memory/644-32-0x000000000B600000-0x000000000B63C000-memory.dmp

memory/644-36-0x0000000000400000-0x000000000040E000-memory.dmp