Malware Analysis Report

2024-10-24 18:16

Sample ID 240606-sx35zsha25
Target 2024-06-06_5b840807e47bae268d054feda89bee0e_cobalt-strike_cobaltstrike_xmrig
SHA256 b0239486d8fc97a2f3eb5f612c2f4dfce7ebe6dd190c7a044937a7486e42d578
Tags
miner 0 xmrig cobaltstrike
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

b0239486d8fc97a2f3eb5f612c2f4dfce7ebe6dd190c7a044937a7486e42d578

Threat Level: Known bad

The file 2024-06-06_5b840807e47bae268d054feda89bee0e_cobalt-strike_cobaltstrike_xmrig was found to be: Known bad.

Malicious Activity Summary

miner 0 xmrig cobaltstrike

Cobalt Strike reflective loader

Cobaltstrike family

Xmrig family

xmrig

Detects Reflective DLL injection artifacts

Detects executables containing URLs to raw contents of a Github gist

XMRig Miner payload

XMRig Miner payload

Detects executables containing URLs to raw contents of a Github gist

Unsigned PE

Modifies system certificate store

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-06 15:33

Signatures

Cobalt Strike reflective loader

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

Cobaltstrike family

cobaltstrike

Detects Reflective DLL injection artifacts

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

Detects executables containing URLs to raw contents of a Github gist

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

XMRig Miner payload

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

Xmrig family

xmrig

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-06 15:31

Reported

2024-06-06 15:36

Platform

win7-20240419-en

Max time kernel

118s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-06-06_5b840807e47bae268d054feda89bee0e_cobalt-strike_cobaltstrike_xmrig.exe"

Signatures

xmrig

miner xmrig

Detects executables containing URLs to raw contents of a Github gist

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

XMRig Miner payload

miner
Description Indicator Process Target
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\2024-06-06_5b840807e47bae268d054feda89bee0e_cobalt-strike_cobaltstrike_xmrig.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\2024-06-06_5b840807e47bae268d054feda89bee0e_cobalt-strike_cobaltstrike_xmrig.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2024-06-06_5b840807e47bae268d054feda89bee0e_cobalt-strike_cobaltstrike_xmrig.exe

"C:\Users\Admin\AppData\Local\Temp\2024-06-06_5b840807e47bae268d054feda89bee0e_cobalt-strike_cobaltstrike_xmrig.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 en88lwtnlt6us.x.pipedream.net udp
US 34.230.150.155:443 en88lwtnlt6us.x.pipedream.net tcp

Files

memory/2300-0-0x00000000002E0000-0x00000000002F0000-memory.dmp

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

MD5 49aebf8cbd62d92ac215b2923fb1b9f5
SHA1 1723be06719828dda65ad804298d0431f6aff976
SHA256 b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
SHA512 bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

C:\Users\Admin\AppData\Local\Temp\Tar1887.tmp

MD5 4ea6026cf93ec6338144661bf1202cd1
SHA1 a1dec9044f750ad887935a01430bf49322fbdcb7
SHA256 8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8
SHA512 6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

memory/2300-144-0x0000000000400000-0x00000000010B2000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-06 15:31

Reported

2024-06-06 15:36

Platform

win10v2004-20240508-en

Max time kernel

147s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-06-06_5b840807e47bae268d054feda89bee0e_cobalt-strike_cobaltstrike_xmrig.exe"

Signatures

xmrig

miner xmrig

Detects executables containing URLs to raw contents of a Github gist

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

XMRig Miner payload

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

Processes

C:\Users\Admin\AppData\Local\Temp\2024-06-06_5b840807e47bae268d054feda89bee0e_cobalt-strike_cobaltstrike_xmrig.exe

"C:\Users\Admin\AppData\Local\Temp\2024-06-06_5b840807e47bae268d054feda89bee0e_cobalt-strike_cobaltstrike_xmrig.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 en88lwtnlt6us.x.pipedream.net udp
US 52.3.172.132:443 en88lwtnlt6us.x.pipedream.net tcp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 132.172.3.52.in-addr.arpa udp
US 8.8.8.8:53 145.83.221.88.in-addr.arpa udp
US 8.8.8.8:53 59.82.161.3.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 68.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 129.83.221.88.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp

Files

memory/4000-0-0x00000000001F0000-0x0000000000200000-memory.dmp

memory/4000-7-0x0000000000400000-0x00000000010B2000-memory.dmp