Malware Analysis Report

2024-08-06 11:01

Sample ID 240506-bnmm7scc4x
Target lsass.exe
SHA256 d00dd4485b90382d6e2faf36db35b6d1f7f8e3892c4e80924f446334f8617ef2
Tags
cobaltstrike metasploit 100000000 backdoor trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

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

d00dd4485b90382d6e2faf36db35b6d1f7f8e3892c4e80924f446334f8617ef2

Threat Level: Known bad

The file lsass.exe was found to be: Known bad.

Malicious Activity Summary

cobaltstrike metasploit 100000000 backdoor trojan

Cobaltstrike

MetaSploit

Unsigned PE

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-05-06 01:17

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-06 01:17

Reported

2024-05-06 01:27

Platform

win7-20231129-en

Max time kernel

142s

Max time network

137s

Command Line

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

Signatures

Cobaltstrike

trojan backdoor cobaltstrike

MetaSploit

trojan backdoor metasploit

Processes

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

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

Network

Country Destination Domain Proto
HK 156.245.13.36:8088 156.245.13.36 tcp
HK 156.245.13.36:443 156.245.13.36 tcp
US 8.8.8.8:53 www.microsoft.com udp
HK 156.245.13.36:443 156.245.13.36 tcp
HK 156.245.13.36:443 156.245.13.36 tcp
HK 156.245.13.36:443 156.245.13.36 tcp
HK 156.245.13.36:443 156.245.13.36 tcp

Files

memory/2240-1-0x0000000002860000-0x0000000002861000-memory.dmp

memory/2240-14-0x0000000004740000-0x0000000004BB2000-memory.dmp

memory/2240-15-0x0000000004340000-0x0000000004740000-memory.dmp

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

MD5 29f65ba8e88c063813cc50a4ea544e93
SHA1 05a7040d5c127e68c25d81cc51271ffb8bef3568
SHA256 1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184
SHA512 e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

C:\Users\Admin\AppData\Local\Temp\Tar30E5.tmp

MD5 435a9ac180383f9fa094131b173a2f7b
SHA1 76944ea657a9db94f9a4bef38f88c46ed4166983
SHA256 67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34
SHA512 1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

memory/2240-40-0x0000000000400000-0x00000000004D9000-memory.dmp

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F0ACCF77CDCBFF39F6191887F6D2D357

MD5 ca85f4a2b26ad4c85204e0d9f4c658db
SHA1 8f796aa1c565206c3b54d45984af37ead69e1225
SHA256 6d93d33a166e1eeaddc798060087d24241ffd07c3805bc4d9d26a2f8e15048f3
SHA512 0dfafe717be6717c4ac2cb0d74e2f9fbd8eb6312fc06ebbb4977d88e55b8529fc5072f037e9bf9f05c4455dafaa988bb7c079122ea05fee2f9e4ae5891c30a1a

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\F0ACCF77CDCBFF39F6191887F6D2D357

MD5 a266bb7dcc38a562631361bbf61dd11b
SHA1 3b1efd3a66ea28b16697394703a72ca340a05bd5
SHA256 df545bf919a2439c36983b54cdfc903dfa4f37d3996d8d84b4c31eec6f3c163e
SHA512 0da8ef4f8f6ed3d16d2bc8eb816b9e6e1345dfe2d91160196c47e6149a1d6aedaafadcefd66acdea7f72dcf0832770192ceac15b0c559c4ccc2c0e5581d5aefc

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-06 01:17

Reported

2024-05-06 01:26

Platform

win10v2004-20240419-en

Max time kernel

141s

Max time network

125s

Command Line

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

Signatures

Cobaltstrike

trojan backdoor cobaltstrike

MetaSploit

trojan backdoor metasploit

Processes

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

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

Network

Country Destination Domain Proto
HK 156.245.13.36:8088 156.245.13.36 tcp
HK 156.245.13.36:443 156.245.13.36 tcp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 36.13.245.156.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 69.31.126.40.in-addr.arpa udp
NL 23.62.61.194:443 www.bing.com tcp
HK 156.245.13.36:443 156.245.13.36 tcp
US 8.8.8.8:53 194.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
HK 156.245.13.36:443 156.245.13.36 tcp
US 8.8.8.8:53 77.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 14.251.17.2.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
HK 156.245.13.36:443 156.245.13.36 tcp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
HK 156.245.13.36:443 156.245.13.36 tcp

Files

memory/724-1-0x0000000003AF0000-0x0000000003AF1000-memory.dmp

memory/724-5-0x0000000004000000-0x0000000004400000-memory.dmp

memory/724-4-0x0000000004400000-0x0000000004872000-memory.dmp

memory/724-6-0x0000000000400000-0x00000000004D9000-memory.dmp