Malware Analysis Report

2025-03-15 08:09

Sample ID 240530-lnvnxsec56
Target 2024-05-30_cec860e9e750c681ae3931a0db52b9f0_cobalt-strike_cobaltstrike
SHA256 740e368767d1425b9f9ba6397039433bbe248af67dda5b2499e386cdece2f454
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

740e368767d1425b9f9ba6397039433bbe248af67dda5b2499e386cdece2f454

Threat Level: Known bad

The file 2024-05-30_cec860e9e750c681ae3931a0db52b9f0_cobalt-strike_cobaltstrike was found to be: Known bad.

Malicious Activity Summary

upx 0 miner cobaltstrike xmrig

Xmrig family

Detects executables containing URLs to raw contents of a Github gist

Detects Reflective DLL injection artifacts

UPX dump on OEP (original entry point)

xmrig

Cobalt Strike reflective loader

XMRig Miner payload

Cobaltstrike family

XMRig Miner payload

UPX dump on OEP (original entry point)

Detects executables containing URLs to raw contents of a Github gist

UPX packed file

Unsigned PE

Modifies system certificate store

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-30 09:41

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

UPX dump on OEP (original entry point)

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

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

2024-05-30 09:41

Reported

2024-05-30 09:43

Platform

win7-20240221-en

Max time kernel

120s

Max time network

125s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-05-30_cec860e9e750c681ae3931a0db52b9f0_cobalt-strike_cobaltstrike.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

UPX dump on OEP (original entry point)

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

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
Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\317A2AD07F2B335EF5A1C34E4B57E8B7D8F1FCA6\Blob = 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 C:\Users\Admin\AppData\Local\Temp\2024-05-30_cec860e9e750c681ae3931a0db52b9f0_cobalt-strike_cobaltstrike.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\317A2AD07F2B335EF5A1C34E4B57E8B7D8F1FCA6 C:\Users\Admin\AppData\Local\Temp\2024-05-30_cec860e9e750c681ae3931a0db52b9f0_cobalt-strike_cobaltstrike.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2024-05-30_cec860e9e750c681ae3931a0db52b9f0_cobalt-strike_cobaltstrike.exe

"C:\Users\Admin\AppData\Local\Temp\2024-05-30_cec860e9e750c681ae3931a0db52b9f0_cobalt-strike_cobaltstrike.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 en6yogdxz5mjo.x.pipedream.net udp
US 54.85.81.111:443 en6yogdxz5mjo.x.pipedream.net tcp

Files

memory/2656-0-0x00000000003E0000-0x00000000003F0000-memory.dmp

memory/2656-1-0x0000000000400000-0x00000000010B6000-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\Tar828F.tmp

MD5 4ea6026cf93ec6338144661bf1202cd1
SHA1 a1dec9044f750ad887935a01430bf49322fbdcb7
SHA256 8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8
SHA512 6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

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

MD5 1085c2bded5885c0f34d0007a419c3da
SHA1 51ba203800fd041eb820af3a07781485bfb46359
SHA256 b1c28879bc0d18eac7703bcb0f31c5c58a59c5dc1fcf86a148931c343aad093b
SHA512 8ebe29c9385cc1d9ee885ab43e76525d2d57faaef62ca1c2edc4ac1919d19b77f565b5e1dea72c055a51a2ca9b42df00ef6d7ba4878470a442c22be2710ab59e

memory/2656-135-0x0000000000400000-0x00000000010B6000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-30 09:41

Reported

2024-05-30 09:43

Platform

win10v2004-20240426-en

Max time kernel

92s

Max time network

94s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-05-30_cec860e9e750c681ae3931a0db52b9f0_cobalt-strike_cobaltstrike.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

UPX dump on OEP (original entry point)

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

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\2024-05-30_cec860e9e750c681ae3931a0db52b9f0_cobalt-strike_cobaltstrike.exe

"C:\Users\Admin\AppData\Local\Temp\2024-05-30_cec860e9e750c681ae3931a0db52b9f0_cobalt-strike_cobaltstrike.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 en6yogdxz5mjo.x.pipedream.net udp
US 34.198.18.32:443 en6yogdxz5mjo.x.pipedream.net tcp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 32.18.198.34.in-addr.arpa udp
US 8.8.8.8:53 38.201.222.52.in-addr.arpa udp
US 8.8.8.8:53 23.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp

Files

memory/2604-0-0x0000000000400000-0x00000000010B6000-memory.dmp

memory/2604-1-0x00000000001F0000-0x0000000000200000-memory.dmp

memory/2604-8-0x0000000000400000-0x00000000010B6000-memory.dmp