Malware Analysis Report

2025-08-10 14:41

Sample ID 241026-j2gccazkhr
Target b073c64b9f3e92817d86293787bbfa2ee1d743d03864609b1a4b9b77d5de6885N
SHA256 b073c64b9f3e92817d86293787bbfa2ee1d743d03864609b1a4b9b77d5de6885
Tags
xmrig discovery miner upx
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

b073c64b9f3e92817d86293787bbfa2ee1d743d03864609b1a4b9b77d5de6885

Threat Level: Known bad

The file b073c64b9f3e92817d86293787bbfa2ee1d743d03864609b1a4b9b77d5de6885N was found to be: Known bad.

Malicious Activity Summary

xmrig discovery miner upx

Xmrig family

xmrig

XMRig Miner payload

Loads dropped DLL

Deletes itself

Executes dropped EXE

UPX packed file

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of UnmapMainImage

Suspicious behavior: RenamesItself

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-26 08:09

Signatures

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-26 08:09

Reported

2024-10-26 08:11

Platform

win10v2004-20241007-en

Max time kernel

103s

Max time network

105s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b073c64b9f3e92817d86293787bbfa2ee1d743d03864609b1a4b9b77d5de6885N.exe"

Signatures

Xmrig family

xmrig

xmrig

miner xmrig

XMRig Miner payload

miner
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
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\b073c64b9f3e92817d86293787bbfa2ee1d743d03864609b1a4b9b77d5de6885N.exe 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
N/A N/A N/A N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\b073c64b9f3e92817d86293787bbfa2ee1d743d03864609b1a4b9b77d5de6885N.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\b073c64b9f3e92817d86293787bbfa2ee1d743d03864609b1a4b9b77d5de6885N.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b073c64b9f3e92817d86293787bbfa2ee1d743d03864609b1a4b9b77d5de6885N.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b073c64b9f3e92817d86293787bbfa2ee1d743d03864609b1a4b9b77d5de6885N.exe

"C:\Users\Admin\AppData\Local\Temp\b073c64b9f3e92817d86293787bbfa2ee1d743d03864609b1a4b9b77d5de6885N.exe"

C:\Users\Admin\AppData\Local\Temp\b073c64b9f3e92817d86293787bbfa2ee1d743d03864609b1a4b9b77d5de6885N.exe

C:\Users\Admin\AppData\Local\Temp\b073c64b9f3e92817d86293787bbfa2ee1d743d03864609b1a4b9b77d5de6885N.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 79.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 71.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 69.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 77.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp

Files

memory/1920-0-0x0000000000400000-0x0000000000712000-memory.dmp

memory/1920-1-0x0000000001A90000-0x0000000001B54000-memory.dmp

memory/1920-2-0x0000000000400000-0x0000000000593000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\b073c64b9f3e92817d86293787bbfa2ee1d743d03864609b1a4b9b77d5de6885N.exe

MD5 23ad5aa9eb7cb1edb43ccc14b9cb78a3
SHA1 60bb6f89b556bcd69fcf13dc964fa74119a5f071
SHA256 9d68e99f4625685e2da1a5698a8aff661af5f236f3e935b49a044b5ebd988ef6
SHA512 f8853125d3b96dff02331d696aa7a706c60d4183ff4221a699862f8671d5372c0a00cde4de8a025ddce5e3501411e051b4595030880515f68be74670d5d8939c

memory/1920-12-0x0000000000400000-0x0000000000593000-memory.dmp

memory/3384-13-0x0000000000400000-0x0000000000712000-memory.dmp

memory/3384-14-0x00000000017F0000-0x00000000018B4000-memory.dmp

memory/3384-15-0x0000000000400000-0x0000000000593000-memory.dmp

memory/3384-20-0x0000000000400000-0x0000000000587000-memory.dmp

memory/3384-29-0x00000000053C0000-0x0000000005553000-memory.dmp

memory/3384-30-0x0000000000400000-0x0000000000587000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-26 08:09

Reported

2024-10-26 08:11

Platform

win7-20240708-en

Max time kernel

15s

Max time network

16s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b073c64b9f3e92817d86293787bbfa2ee1d743d03864609b1a4b9b77d5de6885N.exe"

Signatures

Xmrig family

xmrig

xmrig

miner xmrig

XMRig Miner payload

miner
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
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\b073c64b9f3e92817d86293787bbfa2ee1d743d03864609b1a4b9b77d5de6885N.exe 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
N/A N/A N/A N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\b073c64b9f3e92817d86293787bbfa2ee1d743d03864609b1a4b9b77d5de6885N.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\b073c64b9f3e92817d86293787bbfa2ee1d743d03864609b1a4b9b77d5de6885N.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b073c64b9f3e92817d86293787bbfa2ee1d743d03864609b1a4b9b77d5de6885N.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b073c64b9f3e92817d86293787bbfa2ee1d743d03864609b1a4b9b77d5de6885N.exe

"C:\Users\Admin\AppData\Local\Temp\b073c64b9f3e92817d86293787bbfa2ee1d743d03864609b1a4b9b77d5de6885N.exe"

C:\Users\Admin\AppData\Local\Temp\b073c64b9f3e92817d86293787bbfa2ee1d743d03864609b1a4b9b77d5de6885N.exe

C:\Users\Admin\AppData\Local\Temp\b073c64b9f3e92817d86293787bbfa2ee1d743d03864609b1a4b9b77d5de6885N.exe

Network

N/A

Files

memory/2368-0-0x0000000000400000-0x0000000000712000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\b073c64b9f3e92817d86293787bbfa2ee1d743d03864609b1a4b9b77d5de6885N.exe

MD5 598c9044c03e6c09a5c537628bef1d2b
SHA1 0a6d3b5c6986882b746114c8f53123111998002e
SHA256 cca8c32b09721b76bfd548a89e6dc5a3c8d524ea2d3f6c81a4e8556c5ac3c3bf
SHA512 05a8a092b6562be9a6c6824b6b5b83af9c41c6fab60cb50fd37b1b013ea62fe1edba0715a0f79279cd3684d4322c2f1d9a0820918cf28110c79bb22f9fece733

memory/2368-1-0x0000000000400000-0x0000000000593000-memory.dmp

memory/340-16-0x0000000000400000-0x0000000000712000-memory.dmp

memory/340-17-0x0000000000120000-0x00000000001E4000-memory.dmp

memory/2368-14-0x0000000000120000-0x00000000001E4000-memory.dmp

memory/2368-13-0x0000000000400000-0x0000000000593000-memory.dmp

memory/340-18-0x0000000000400000-0x0000000000593000-memory.dmp

memory/340-23-0x0000000000400000-0x0000000000587000-memory.dmp

memory/340-34-0x0000000000400000-0x0000000000587000-memory.dmp

memory/340-32-0x00000000005A0000-0x000000000071F000-memory.dmp

memory/340-33-0x0000000003230000-0x00000000033C3000-memory.dmp