Malware Analysis Report

2025-08-05 17:02

Sample ID 240107-yazryacffr
Target 498acda1f6c76fdf266e156aa4673b80.exe
SHA256 d65a813ac95b9bb0bf2433082129061b930b29d0c037db265c4464e3bef9eab2
Tags
upx xmrig miner
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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

d65a813ac95b9bb0bf2433082129061b930b29d0c037db265c4464e3bef9eab2

Threat Level: Known bad

The file 498acda1f6c76fdf266e156aa4673b80.exe was found to be: Known bad.

Malicious Activity Summary

upx xmrig miner

xmrig

XMRig Miner payload

Deletes itself

Executes dropped EXE

Loads dropped DLL

UPX packed file

Unsigned PE

Suspicious behavior: RenamesItself

Suspicious use of WriteProcessMemory

Suspicious use of UnmapMainImage

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-01-07 19:35

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: behavioral1

Detonation Overview

Submitted

2024-01-07 19:35

Reported

2024-01-07 19:38

Platform

win7-20231215-en

Max time kernel

122s

Max time network

127s

Command Line

"C:\Users\Admin\AppData\Local\Temp\498acda1f6c76fdf266e156aa4673b80.exe"

Signatures

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
N/A N/A N/A N/A

Deletes itself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\498acda1f6c76fdf266e156aa4673b80.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\498acda1f6c76fdf266e156aa4673b80.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\498acda1f6c76fdf266e156aa4673b80.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

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\498acda1f6c76fdf266e156aa4673b80.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\498acda1f6c76fdf266e156aa4673b80.exe

"C:\Users\Admin\AppData\Local\Temp\498acda1f6c76fdf266e156aa4673b80.exe"

C:\Users\Admin\AppData\Local\Temp\498acda1f6c76fdf266e156aa4673b80.exe

C:\Users\Admin\AppData\Local\Temp\498acda1f6c76fdf266e156aa4673b80.exe

Network

N/A

Files

memory/1180-0-0x0000000000400000-0x0000000000712000-memory.dmp

memory/1180-1-0x0000000000400000-0x0000000000593000-memory.dmp

memory/1180-2-0x00000000002C0000-0x0000000000384000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\498acda1f6c76fdf266e156aa4673b80.exe

MD5 6df2f9799879c4fb16bc4172d84deb5c
SHA1 2b6131e180d9ddd500029fb3b41f4a100ae94ca8
SHA256 7031ff1bc6ceb0cf88f9549fda98e88f3c834b45b77e78b526ee423b9c5ee247
SHA512 bca2f4b11d4429cf3d7ddd87a74077edc10e6dd3f7cfde8a3d1e89a2c6d979ffbdeba9b203619354872699a96ce676d107526cfb0c52b58aa1dbc2f27435a020

memory/1180-15-0x00000000031F0000-0x0000000003502000-memory.dmp

memory/1180-14-0x0000000000400000-0x0000000000593000-memory.dmp

memory/3052-17-0x0000000000400000-0x0000000000712000-memory.dmp

memory/3052-19-0x0000000000400000-0x0000000000593000-memory.dmp

memory/3052-18-0x00000000002E0000-0x00000000003A4000-memory.dmp

memory/3052-25-0x0000000000400000-0x0000000000587000-memory.dmp

memory/3052-24-0x0000000003150000-0x00000000032E3000-memory.dmp

memory/3052-34-0x0000000000400000-0x0000000000587000-memory.dmp

memory/1180-35-0x00000000031F0000-0x0000000003502000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-01-07 19:35

Reported

2024-01-07 19:38

Platform

win10v2004-20231222-en

Max time kernel

146s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\498acda1f6c76fdf266e156aa4673b80.exe"

Signatures

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

Deletes itself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\498acda1f6c76fdf266e156aa4673b80.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\498acda1f6c76fdf266e156aa4673b80.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

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\498acda1f6c76fdf266e156aa4673b80.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\498acda1f6c76fdf266e156aa4673b80.exe

"C:\Users\Admin\AppData\Local\Temp\498acda1f6c76fdf266e156aa4673b80.exe"

C:\Users\Admin\AppData\Local\Temp\498acda1f6c76fdf266e156aa4673b80.exe

C:\Users\Admin\AppData\Local\Temp\498acda1f6c76fdf266e156aa4673b80.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 1.181.190.20.in-addr.arpa udp
US 8.8.8.8:53 146.78.124.51.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 134.71.91.104.in-addr.arpa udp
US 8.8.8.8:53 183.1.37.23.in-addr.arpa udp
US 8.8.8.8:53 119.110.54.20.in-addr.arpa udp
US 8.8.8.8:53 140.71.91.104.in-addr.arpa udp
US 8.8.8.8:53 174.179.17.96.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.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

Files

memory/4364-0-0x0000000000400000-0x0000000000712000-memory.dmp

memory/4364-2-0x0000000000400000-0x0000000000593000-memory.dmp

memory/1476-13-0x0000000000400000-0x0000000000712000-memory.dmp

memory/1476-16-0x0000000001B00000-0x0000000001BC4000-memory.dmp

memory/1476-21-0x0000000005370000-0x0000000005503000-memory.dmp

memory/1476-31-0x0000000000400000-0x0000000000587000-memory.dmp

memory/1476-30-0x00000000005A0000-0x000000000071F000-memory.dmp

memory/1476-20-0x0000000000400000-0x0000000000587000-memory.dmp

memory/1476-14-0x0000000000400000-0x0000000000593000-memory.dmp

memory/4364-12-0x0000000000400000-0x0000000000593000-memory.dmp

memory/4364-1-0x0000000001B40000-0x0000000001C04000-memory.dmp