Malware Analysis Report

2025-04-19 16:16

Sample ID 240522-w26y8abh5v
Target 20240522b227e9adce0ff8aaa776eb41645a09cfcobaltstrikecobaltstrike
SHA256 2034d60740b570790a9fefef3f1fff7d1b066179d68236445e739b3f21f52741
Tags
upx 0 miner cobaltstrike xmrig
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

2034d60740b570790a9fefef3f1fff7d1b066179d68236445e739b3f21f52741

Threat Level: Known bad

The file 20240522b227e9adce0ff8aaa776eb41645a09cfcobaltstrikecobaltstrike was found to be: Known bad.

Malicious Activity Summary

upx 0 miner cobaltstrike xmrig

Xmrig family

xmrig

Cobalt Strike reflective loader

Cobaltstrike family

XMRig Miner payload

XMRig Miner payload

UPX packed file

Unsigned PE

Modifies system certificate store

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-22 18:26

Signatures

Cobalt Strike reflective loader

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

Cobaltstrike family

cobaltstrike

XMRig Miner payload

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

Xmrig family

xmrig

UPX packed file

upx
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
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-22 18:26

Reported

2024-05-22 18:28

Platform

win7-20240221-en

Max time kernel

117s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\20240522b227e9adce0ff8aaa776eb41645a09cfcobaltstrikecobaltstrike.exe"

Signatures

xmrig

miner xmrig

XMRig Miner payload

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

UPX packed file

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

Modifies system certificate store

evasion spyware trojan
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\317A2AD07F2B335EF5A1C34E4B57E8B7D8F1FCA6 C:\Users\Admin\AppData\Local\Temp\20240522b227e9adce0ff8aaa776eb41645a09cfcobaltstrikecobaltstrike.exe N/A
Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\317A2AD07F2B335EF5A1C34E4B57E8B7D8F1FCA6\Blob = 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 C:\Users\Admin\AppData\Local\Temp\20240522b227e9adce0ff8aaa776eb41645a09cfcobaltstrikecobaltstrike.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\20240522b227e9adce0ff8aaa776eb41645a09cfcobaltstrikecobaltstrike.exe

"C:\Users\Admin\AppData\Local\Temp\20240522b227e9adce0ff8aaa776eb41645a09cfcobaltstrikecobaltstrike.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 en6yogdxz5mjo.x.pipedream.net udp
US 3.222.119.79:443 en6yogdxz5mjo.x.pipedream.net tcp

Files

memory/2168-0-0x00000000002E0000-0x00000000002F0000-memory.dmp

memory/2168-1-0x0000000000400000-0x00000000010B6000-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\Tar14B0.tmp

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

memory/2168-145-0x0000000000400000-0x00000000010B6000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-22 18:26

Reported

2024-05-22 18:28

Platform

win10v2004-20240426-en

Max time kernel

129s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\20240522b227e9adce0ff8aaa776eb41645a09cfcobaltstrikecobaltstrike.exe"

Signatures

xmrig

miner xmrig

XMRig Miner payload

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

UPX packed file

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

Processes

C:\Users\Admin\AppData\Local\Temp\20240522b227e9adce0ff8aaa776eb41645a09cfcobaltstrikecobaltstrike.exe

"C:\Users\Admin\AppData\Local\Temp\20240522b227e9adce0ff8aaa776eb41645a09cfcobaltstrikecobaltstrike.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 en6yogdxz5mjo.x.pipedream.net udp
US 44.219.74.3:443 en6yogdxz5mjo.x.pipedream.net 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 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 3.74.219.44.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 17.201.222.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
NL 23.62.61.72:443 www.bing.com tcp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 14.160.190.20.in-addr.arpa udp
NL 23.62.61.72:443 www.bing.com tcp
US 8.8.8.8:53 72.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
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 8.8.8.8:53 211.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 234.197.17.2.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

Files

memory/4156-0-0x0000000000400000-0x00000000010B6000-memory.dmp

memory/4156-1-0x0000000001450000-0x0000000001460000-memory.dmp

memory/4156-6-0x0000000000400000-0x00000000010B6000-memory.dmp