Malware Analysis Report

2024-10-23 21:11

Sample ID 240125-v2nxzacefr
Target 75186c253c2ef1ea55adc9f78c09c7b5
SHA256 5a350e28faf4c3788dd68b51e80c7dd1aa187f3e71d4a2f83339d8027a11c53e
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

5a350e28faf4c3788dd68b51e80c7dd1aa187f3e71d4a2f83339d8027a11c53e

Threat Level: Known bad

The file 75186c253c2ef1ea55adc9f78c09c7b5 was found to be: Known bad.

Malicious Activity Summary

kinsing loader

Kinsing

Executes dropped EXE

Loads dropped DLL

Deletes itself

Legitimate hosting services abused for malware hosting/C2

Unsigned PE

Modifies system certificate store

Suspicious behavior: RenamesItself

Suspicious use of UnmapMainImage

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-01-25 17:29

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-01-25 17:29

Reported

2024-01-25 17:31

Platform

win7-20231215-en

Max time kernel

121s

Max time network

125s

Command Line

"C:\Users\Admin\AppData\Local\Temp\75186c253c2ef1ea55adc9f78c09c7b5.exe"

Signatures

Deletes itself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\75186c253c2ef1ea55adc9f78c09c7b5.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\75186c253c2ef1ea55adc9f78c09c7b5.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\75186c253c2ef1ea55adc9f78c09c7b5.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\75186c253c2ef1ea55adc9f78c09c7b5.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474 C:\Users\Admin\AppData\Local\Temp\75186c253c2ef1ea55adc9f78c09c7b5.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\75186c253c2ef1ea55adc9f78c09c7b5.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\75186c253c2ef1ea55adc9f78c09c7b5.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\75186c253c2ef1ea55adc9f78c09c7b5.exe

"C:\Users\Admin\AppData\Local\Temp\75186c253c2ef1ea55adc9f78c09c7b5.exe"

C:\Users\Admin\AppData\Local\Temp\75186c253c2ef1ea55adc9f78c09c7b5.exe

C:\Users\Admin\AppData\Local\Temp\75186c253c2ef1ea55adc9f78c09c7b5.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 pastebin.com udp
US 104.20.68.143:443 pastebin.com tcp

Files

memory/2256-1-0x0000000000400000-0x000000000045F000-memory.dmp

memory/2256-0-0x0000000000400000-0x0000000000466000-memory.dmp

memory/2256-3-0x0000000000190000-0x00000000001F6000-memory.dmp

\Users\Admin\AppData\Local\Temp\75186c253c2ef1ea55adc9f78c09c7b5.exe

MD5 11e3766c53327ac9d4933c3edb6cac18
SHA1 0b573726f36b0b784b0b8a6efab556f5b2d048d3
SHA256 d553becf6a46a7b24ffc04136f9868b127f5484389528428006e772ddfd85ff0
SHA512 d4cb6aa11c0c4c717c0b40ca1001e472e329d1f47834cc94106f54b214881f0dba0c23f3fed4fb2359fdcdc2ba23e2a672b611516f96d43b7667e9d75036e361

memory/2256-12-0x0000000002DE0000-0x0000000002E46000-memory.dmp

memory/2976-16-0x0000000000400000-0x0000000000466000-memory.dmp

memory/2976-17-0x0000000000190000-0x00000000001F6000-memory.dmp

memory/2256-14-0x0000000000400000-0x000000000045F000-memory.dmp

memory/2976-24-0x00000000002C0000-0x000000000031F000-memory.dmp

memory/2976-23-0x0000000000400000-0x000000000043C000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\CabD490.tmp

MD5 ac05d27423a85adc1622c714f2cb6184
SHA1 b0fe2b1abddb97837ea0195be70ab2ff14d43198
SHA256 c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d
SHA512 6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

C:\Users\Admin\AppData\Local\Temp\TarD500.tmp

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

memory/2976-77-0x0000000000400000-0x000000000040E000-memory.dmp

memory/2976-82-0x00000000075E0000-0x000000000761C000-memory.dmp

memory/2976-83-0x0000000000400000-0x000000000040E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-01-25 17:29

Reported

2024-01-25 17:32

Platform

win10v2004-20231215-en

Max time kernel

142s

Max time network

159s

Command Line

"C:\Users\Admin\AppData\Local\Temp\75186c253c2ef1ea55adc9f78c09c7b5.exe"

Signatures

Kinsing

loader kinsing

Deletes itself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\75186c253c2ef1ea55adc9f78c09c7b5.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\75186c253c2ef1ea55adc9f78c09c7b5.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\75186c253c2ef1ea55adc9f78c09c7b5.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\75186c253c2ef1ea55adc9f78c09c7b5.exe

"C:\Users\Admin\AppData\Local\Temp\75186c253c2ef1ea55adc9f78c09c7b5.exe"

C:\Users\Admin\AppData\Local\Temp\75186c253c2ef1ea55adc9f78c09c7b5.exe

C:\Users\Admin\AppData\Local\Temp\75186c253c2ef1ea55adc9f78c09c7b5.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 194.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 pastebin.com udp
US 172.67.34.170:443 pastebin.com tcp
US 8.8.8.8:53 170.34.67.172.in-addr.arpa udp
US 8.8.8.8:53 0.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 14.173.189.20.in-addr.arpa udp

Files

memory/2268-0-0x0000000000400000-0x0000000000466000-memory.dmp

memory/2268-1-0x0000000001610000-0x0000000001676000-memory.dmp

memory/2268-2-0x0000000000400000-0x000000000045F000-memory.dmp

memory/4660-15-0x00000000015F0000-0x0000000001656000-memory.dmp

memory/4660-13-0x0000000000400000-0x0000000000466000-memory.dmp

memory/4660-21-0x0000000000400000-0x000000000043C000-memory.dmp

memory/4660-20-0x0000000004EF0000-0x0000000004F4F000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\75186c253c2ef1ea55adc9f78c09c7b5.exe

MD5 24c59cf3303c40291a304fb9c0c378b9
SHA1 7a17d967e8f7863e67e72f6fda149ca5f6266b13
SHA256 20e6f0a786044439e68e5861ca2735201e4004f1f291fb56e78addac8161397c
SHA512 df81146c8a14da553a6502b526c3be9a8057413c6b6dc02bc31f4034d0c6acd7c2b6220d2b725631c06c66174b67ca9c4f48182865e92d51bd1e7ce6df9ef711

memory/2268-11-0x0000000000400000-0x000000000045F000-memory.dmp

memory/4660-34-0x000000000B700000-0x000000000B73C000-memory.dmp

memory/4660-36-0x0000000000400000-0x000000000040E000-memory.dmp

memory/4660-30-0x0000000000400000-0x000000000040E000-memory.dmp