Malware Analysis Report

2024-10-16 06:09

Sample ID 240719-brg7wsygqa
Target 28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6
SHA256 28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6
Tags
upx xmrig antivm miner persistence
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 Overview

score
10/10

SHA256

28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6

Threat Level: Known bad

The file 28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6 was found to be: Known bad.

Malicious Activity Summary

upx xmrig antivm miner persistence

xmrig

XMRig Miner payload

UPX packed file

Creates/modifies Cron job

Enumerates running processes

Checks CPU configuration

Reads CPU attributes

Changes its process name

Enumerates kernel/hardware configuration

Reads runtime system information

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-19 01:22

Signatures

UPX packed file

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-19 01:22

Reported

2024-07-19 01:22

Platform

debian12-armhf-20240221-en

Max time kernel

8s

Max time network

12s

Command Line

[/tmp/28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6]

Signatures

xmrig

miner xmrig

XMRig Miner payload

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

Creates/modifies Cron job

persistence
Description Indicator Process Target
File opened for modification /var/spool/cron/crontabs/tmp.Xrzipq /usr/bin/crontab N/A

Enumerates running processes

Changes its process name

Description Indicator Process Target
Changes the process name, possibly in an attempt to hide itself bash N/A N/A

Checks CPU configuration

antivm
Description Indicator Process Target
File opened for reading /proc/cpuinfo /tmp/28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6 N/A

Reads CPU attributes

Description Indicator Process Target
File opened for reading /sys/devices/system/cpu/cpu0/topology/package_cpus /tmp/28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6 N/A
File opened for reading /sys/devices/system/cpu/cpu0/topology/physical_package_id /tmp/28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6 N/A
File opened for reading /sys/devices/system/cpu/cpu0/cache/index2/shared_cpu_map /tmp/28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6 N/A
File opened for reading /sys/devices/system/cpu/cpu0/cpufreq/base_frequency /tmp/28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6 N/A
File opened for reading /sys/devices/system/cpu/cpu0/cache/index9/shared_cpu_map /tmp/28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6 N/A
File opened for reading /sys/devices/system/cpu/cpu0/cpu_capacity /tmp/28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6 N/A
File opened for reading /sys/devices/system/cpu/cpu0/topology/core_cpus /tmp/28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6 N/A
File opened for reading /sys/devices/system/cpu/cpu0/topology/core_id /tmp/28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6 N/A
File opened for reading /sys/devices/system/cpu/cpu0/topology/cluster_cpus /tmp/28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6 N/A
File opened for reading /sys/devices/system/cpu/cpu0/cache/index0/shared_cpu_map /tmp/28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6 N/A
File opened for reading /sys/devices/system/cpu/cpu0/cache/index1/shared_cpu_map /tmp/28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6 N/A
File opened for reading /sys/devices/system/cpu/cpu0/cache/index8/shared_cpu_map /tmp/28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6 N/A
File opened for reading /sys/devices/system/cpu/online /tmp/28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6 N/A
File opened for reading /sys/devices/system/cpu/cpu0/topology/die_cpus /tmp/28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6 N/A
File opened for reading /sys/devices/system/cpu/cpu0/cache/index3/shared_cpu_map /tmp/28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6 N/A
File opened for reading /sys/devices/system/cpu/cpu0/cache/index6/shared_cpu_map /tmp/28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6 N/A
File opened for reading /sys/devices/system/cpu/cpu0/cache/index7/shared_cpu_map /tmp/28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6 N/A
File opened for reading /sys/devices/system/cpu/cpu0/cache/index4/shared_cpu_map /tmp/28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6 N/A
File opened for reading /sys/devices/system/cpu/cpu0/cache/index5/shared_cpu_map /tmp/28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6 N/A
File opened for reading /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_max_freq /tmp/28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6 N/A

Enumerates kernel/hardware configuration

Description Indicator Process Target
File opened for reading /sys/fs/cgroup/cgroup.controllers /tmp/28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6 N/A
File opened for reading /sys/devices/system/cpu /tmp/28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6 N/A
File opened for reading /sys/devices/cpu_core/cpus /tmp/28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6 N/A
File opened for reading /sys/class/dmi/id /tmp/28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6 N/A
File opened for reading /sys/kernel/mm/hugepages/hugepages-2048kB/nr_hugepages /tmp/28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6 N/A
File opened for reading /sys/devices/virtual/dmi/id /tmp/28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6 N/A
File opened for reading /sys/kernel/mm/hugepages/hugepages-1048576kB/nr_hugepages /tmp/28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6 N/A
File opened for reading /sys/bus/soc/devices /tmp/28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6 N/A
File opened for reading /sys/fs/cgroup/cpuset.cpus.effective /tmp/28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6 N/A
File opened for reading /sys/fs/cgroup/cpuset.mems.effective /tmp/28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6 N/A
File opened for reading /sys/devices/cpu_atom/cpus /tmp/28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6 N/A
File opened for reading /sys/kernel/mm/hugepages /tmp/28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6 N/A

Reads runtime system information

Description Indicator Process Target
File opened for reading /proc/11/cmdline /tmp/28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6 N/A
File opened for reading /proc/14/cmdline /tmp/28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6 N/A
File opened for reading /proc/24/cmdline /tmp/28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6 N/A
File opened for reading /proc/44/cmdline /tmp/28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6 N/A
File opened for reading /proc/45/cmdline /tmp/28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6 N/A
File opened for reading /proc/214/cmdline /tmp/28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6 N/A
File opened for reading /proc/344/cmdline /tmp/28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6 N/A
File opened for reading /proc/7/cmdline /tmp/28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6 N/A
File opened for reading /proc/759/cmdline /tmp/28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6 N/A
File opened for reading /proc/654/cmdline /tmp/28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6 N/A
File opened for reading /proc/35/cmdline /tmp/28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6 N/A
File opened for reading /proc/752/cmdline /tmp/28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6 N/A
File opened for reading /proc/13/cmdline /tmp/28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6 N/A
File opened for reading /proc/143/cmdline /tmp/28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6 N/A
File opened for reading /proc/322/cmdline /tmp/28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6 N/A
File opened for reading /proc/655/cmdline /tmp/28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6 N/A
File opened for reading /proc/718/cmdline /tmp/28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6 N/A
File opened for reading /proc/57/cmdline /tmp/28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6 N/A
File opened for reading /proc/27/cmdline /tmp/28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6 N/A
File opened for reading /proc/36/cmdline /tmp/28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6 N/A
File opened for reading /proc/4/cmdline /tmp/28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6 N/A
File opened for reading /proc/17/cmdline /tmp/28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6 N/A
File opened for reading /proc/20/cmdline /tmp/28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6 N/A
File opened for reading /proc/31/cmdline /tmp/28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6 N/A
File opened for reading /proc/73/cmdline /tmp/28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6 N/A
File opened for reading /proc/314/cmdline /tmp/28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6 N/A
File opened for reading /proc/706/cmdline /tmp/28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6 N/A
File opened for reading /proc/cmdline /tmp/28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6 N/A
File opened for reading /proc/6/cmdline /tmp/28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6 N/A
File opened for reading /proc/25/cmdline /tmp/28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6 N/A
File opened for reading /proc/42/cmdline /tmp/28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6 N/A
File opened for reading /proc/195/cmdline /tmp/28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6 N/A
File opened for reading /proc/681/cmdline /tmp/28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6 N/A
File opened for reading /proc/self/exe /tmp/28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6 N/A
File opened for reading /proc/15/cmdline /tmp/28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6 N/A
File opened for reading /proc/10/cmdline /tmp/28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6 N/A
File opened for reading /proc/29/cmdline /tmp/28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6 N/A
File opened for reading /proc/339/cmdline /tmp/28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6 N/A
File opened for reading /proc/639/cmdline /tmp/28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6 N/A
File opened for reading /proc/665/cmdline /tmp/28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6 N/A
File opened for reading /proc/28/cmdline /tmp/28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6 N/A
File opened for reading /proc/9/cmdline /tmp/28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6 N/A
File opened for reading /proc/23/cmdline /tmp/28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6 N/A
File opened for reading /proc/341/cmdline /tmp/28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6 N/A
File opened for reading /proc/347/cmdline /tmp/28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6 N/A
File opened for reading /proc/684/cmdline /tmp/28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6 N/A
File opened for reading /proc/meminfo /tmp/28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6 N/A
File opened for reading /proc/5/cmdline /tmp/28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6 N/A
File opened for reading /proc/26/cmdline /tmp/28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6 N/A
File opened for reading /proc/56/cmdline /tmp/28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6 N/A
File opened for reading /proc/638/cmdline /tmp/28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6 N/A
File opened for reading /proc/mounts /tmp/28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6 N/A
File opened for reading /proc/18/cmdline /tmp/28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6 N/A
File opened for reading /proc/22/cmdline /tmp/28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6 N/A
File opened for reading /proc/32/cmdline /tmp/28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6 N/A
File opened for reading /proc/704/cmdline /tmp/28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6 N/A
File opened for reading /proc/709/cmdline /tmp/28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6 N/A
File opened for reading /proc/self/cpuset /tmp/28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6 N/A
File opened for reading /proc/357/cmdline /tmp/28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6 N/A
File opened for reading /proc/46/cmdline /tmp/28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6 N/A
File opened for reading /proc/33/cmdline /tmp/28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6 N/A
File opened for reading /proc/34/cmdline /tmp/28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6 N/A
File opened for reading /proc/260/cmdline /tmp/28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6 N/A
File opened for reading /proc/332/cmdline /tmp/28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6 N/A

Processes

/tmp/28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6

[/tmp/28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6]

/bin/sh

[sh -c command -v crontab >/dev/null 2>&1]

/bin/sh

[sh -c crontab -r >/dev/null 2>&1; echo "@reboot /tmp/28dc11bfe01f303a15c73150a9a7cdfda39828722c8ecb698147f78c500140a6" | crontab -]

/usr/bin/crontab

[crontab -r]

/usr/bin/crontab

[crontab -]

/bin/sh

[sh -c iptables -I INPUT -p tcp --dport 18178 -j ACCEPT >/dev/null 2>&1]

/bin/sh

[sh -c command -v php >/dev/null 2>&1]

/bin/sh

[sh -c command -v nginx >/dev/null 2>&1]

/bin/sh

[sh -c which apache2]

/usr/bin/which

[which apache2]

/bin/sh

[sh -c which httpd]

/usr/bin/which

[which httpd]

Network

Country Destination Domain Proto
SE 95.215.19.53:853 tcp
AU 1.0.0.1:853 tcp
US 1.1.1.1:853 tcp
US 8.8.4.4:853 tcp
US 8.8.8.8:853 tcp
DE 217.160.70.42:853 tcp
NO 185.181.61.24:853 tcp
DE 81.169.136.222:853 tcp
DE 80.152.203.134:853 tcp
FR 51.158.108.203:853 tcp
US 168.235.111.72:853 tcp
DE 194.36.144.87:853 tcp
DE 152.53.15.127:853 tcp
US 1.1.1.1:53 debian12-armhf-20240221-en-4 udp
NL 164.215.103.47:43782 tcp
US 1.1.1.1:53 debian12-armhf-20240221-en-4 udp
US 1.1.1.1:53 debian12-armhf-20240221-en-4 udp
US 1.1.1.1:53 debian12-armhf-20240221-en-4 udp

Files

memory/708-1-0xb6a00000-0xb6d5e3d4-memory.dmp

/var/spool/cron/crontabs/tmp.Xrzipq

MD5 2914093b38f4bfe2830ee60a7a82dff7
SHA1 e628d83f49846e82ac0769d40e04feedb7800eda
SHA256 76430c7a425ca1ea6ea6c6f207e797e549bc83ea5b6ec5fbf7027a067825b59c
SHA512 54719fc593d486ebe96acc65ebf3bfa99466804735affaf274d886f975141c9b41e2bd922be284c144edcfe44b5d2761d343e18a3e6ccbdd04a2040cf67c428f