Malware Analysis Report

2024-10-23 21:11

Sample ID 240125-v3r11sbga2
Target 2024-01-25_7b4a875ab88f62fd28eec2985a0d7a63_cryptolocker
SHA256 768ec8c6fe1bc71cc496c618cfdb12292237a24b90f32d569792000c7fe7fb11
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

768ec8c6fe1bc71cc496c618cfdb12292237a24b90f32d569792000c7fe7fb11

Threat Level: Known bad

The file 2024-01-25_7b4a875ab88f62fd28eec2985a0d7a63_cryptolocker was found to be: Known bad.

Malicious Activity Summary

kinsing loader

Detection of CryptoLocker Variants

Detection of Cryptolocker Samples

Kinsing

Detection of Cryptolocker Samples

Detection of CryptoLocker Variants

Executes dropped EXE

Checks computer location settings

Loads dropped DLL

Enumerates physical storage devices

Unsigned PE

Suspicious use of WriteProcessMemory

Modifies system certificate store

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-01-25 17:31

Signatures

Detection of CryptoLocker Variants

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

Detection of Cryptolocker Samples

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

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-01-25 17:31

Reported

2024-01-25 17:33

Platform

win7-20231215-en

Max time kernel

122s

Max time network

125s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-01-25_7b4a875ab88f62fd28eec2985a0d7a63_cryptolocker.exe"

Signatures

Detection of CryptoLocker Variants

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

Detection of Cryptolocker Samples

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

Executes dropped EXE

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

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-01-25_7b4a875ab88f62fd28eec2985a0d7a63_cryptolocker.exe N/A

Enumerates physical storage devices

Modifies system certificate store

evasion spyware trojan
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349 C:\Users\Admin\AppData\Local\Temp\misid.exe N/A
Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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 C:\Users\Admin\AppData\Local\Temp\misid.exe N/A
Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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 C:\Users\Admin\AppData\Local\Temp\misid.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2024-01-25_7b4a875ab88f62fd28eec2985a0d7a63_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-01-25_7b4a875ab88f62fd28eec2985a0d7a63_cryptolocker.exe"

C:\Users\Admin\AppData\Local\Temp\misid.exe

"C:\Users\Admin\AppData\Local\Temp\misid.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 bestccc.com udp
IN 103.14.121.240:443 bestccc.com tcp
US 8.8.8.8:53 crl.comodoca.com udp
US 172.64.149.23:80 crl.comodoca.com tcp

Files

memory/2108-0-0x00000000004D0000-0x00000000004D6000-memory.dmp

memory/2108-1-0x0000000000510000-0x0000000000516000-memory.dmp

memory/2108-3-0x00000000004D0000-0x00000000004D6000-memory.dmp

\Users\Admin\AppData\Local\Temp\misid.exe

MD5 4bdee09290cd2b88218c659bec8e4884
SHA1 ea7a22f0ff5b3d74f5e8896486eb3cef96df25a5
SHA256 2665bf85735487b0604dfd61d50e267da23794dfe4be005b7cef868031fcc928
SHA512 6da506b7de380fade91990a0f66324ed1b19c9551f0974a865f86138bd259844d3612327d51930e318bdb70095fdcf48ab1ed396ffdcc7c737de4a83682a20cf

memory/2696-15-0x0000000000300000-0x0000000000306000-memory.dmp

memory/2696-20-0x00000000002C0000-0x00000000002C6000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\Cab4221.tmp

MD5 ac05d27423a85adc1622c714f2cb6184
SHA1 b0fe2b1abddb97837ea0195be70ab2ff14d43198
SHA256 c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d
SHA512 6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

C:\Users\Admin\AppData\Local\Temp\Tar4262.tmp

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-01-25 17:31

Reported

2024-01-25 17:33

Platform

win10v2004-20231222-en

Max time kernel

89s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-01-25_7b4a875ab88f62fd28eec2985a0d7a63_cryptolocker.exe"

Signatures

Kinsing

loader kinsing

Detection of CryptoLocker Variants

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

Detection of Cryptolocker Samples

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

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\misid.exe N/A
Key value queried \REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\2024-01-25_7b4a875ab88f62fd28eec2985a0d7a63_cryptolocker.exe N/A

Executes dropped EXE

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

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\2024-01-25_7b4a875ab88f62fd28eec2985a0d7a63_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-01-25_7b4a875ab88f62fd28eec2985a0d7a63_cryptolocker.exe"

C:\Users\Admin\AppData\Local\Temp\misid.exe

"C:\Users\Admin\AppData\Local\Temp\misid.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 bestccc.com udp
IN 103.14.121.240:443 bestccc.com tcp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 240.121.14.103.in-addr.arpa udp
US 8.8.8.8:53 173.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 crl.comodoca.com udp
US 172.64.149.23:80 crl.comodoca.com tcp
US 8.8.8.8:53 233.38.18.104.in-addr.arpa udp
US 8.8.8.8:53 23.149.64.172.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 140.71.91.104.in-addr.arpa udp
US 8.8.8.8:53 194.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp

Files

memory/4036-0-0x00000000005F0000-0x00000000005F6000-memory.dmp

memory/4036-1-0x00000000005F0000-0x00000000005F6000-memory.dmp

memory/4036-2-0x00000000021B0000-0x00000000021B6000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\misid.exe

MD5 4bdee09290cd2b88218c659bec8e4884
SHA1 ea7a22f0ff5b3d74f5e8896486eb3cef96df25a5
SHA256 2665bf85735487b0604dfd61d50e267da23794dfe4be005b7cef868031fcc928
SHA512 6da506b7de380fade91990a0f66324ed1b19c9551f0974a865f86138bd259844d3612327d51930e318bdb70095fdcf48ab1ed396ffdcc7c737de4a83682a20cf

memory/2028-17-0x00000000006C0000-0x00000000006C6000-memory.dmp

memory/2028-20-0x00000000006A0000-0x00000000006A6000-memory.dmp