Malware Analysis Report

2025-06-16 02:03

Sample ID 250221-vm2khswjd1
Target na.elf
SHA256 f1dc41b0bdc85756ecba4ca4562981444051d35a9e415ee370665ec94328b475
Tags
upx prometei_elf botnet discovery miner persistence privilege_escalation
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

f1dc41b0bdc85756ecba4ca4562981444051d35a9e415ee370665ec94328b475

Threat Level: Known bad

The file na.elf was found to be: Known bad.

Malicious Activity Summary

upx prometei_elf botnet discovery miner persistence privilege_escalation

Prometei

Prometei_elf family

Deletes itself

Modifies hosts file

Modifies systemd

Write file to user bin folder

Enumerates running processes

UPX packed file

Reads CPU attributes

Reads runtime system information

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2025-02-21 17:07

Signatures

UPX packed file

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

Analysis: behavioral1

Detonation Overview

Submitted

2025-02-21 17:07

Reported

2025-02-21 17:09

Platform

ubuntu2204-amd64-20240522.1-en

Max time kernel

5s

Max time network

129s

Command Line

[/tmp/na.elf]

Signatures

Prometei

botnet miner prometei_elf

Prometei_elf family

prometei_elf

Deletes itself

Description Indicator Process Target
N/A N/A /tmp/na.elf N/A

Modifies hosts file

Description Indicator Process Target
File opened for modification /etc/hosts /tmp/na.elf N/A

Enumerates running processes

Modifies systemd

persistence privilege_escalation
Description Indicator Process Target
File opened for modification /lib/systemd/system/uplugplay.service /tmp/na.elf N/A

Write file to user bin folder

persistence
Description Indicator Process Target
File opened for modification /usr/sbin/uplugplay /tmp/na.elf N/A

UPX packed file

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

Reads CPU attributes

discovery
Description Indicator Process Target
File opened for reading /sys/devices/system/cpu/online /usr/bin/pgrep N/A
File opened for reading /sys/devices/system/cpu/online /usr/bin/pgrep N/A
File opened for reading /sys/devices/system/cpu/online /usr/bin/pgrep N/A

Reads runtime system information

discovery
Description Indicator Process Target
File opened for reading /proc/4/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/13/status /usr/bin/pgrep N/A
File opened for reading /proc/1090/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/197/cmdline /usr/bin/pidof N/A
File opened for reading /proc/1140/cmdline /usr/bin/pidof N/A
File opened for reading /proc/218/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/634/status /usr/bin/pgrep N/A
File opened for reading /proc/536/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/428/stat /usr/bin/pidof N/A
File opened for reading /proc/98/cmdline /usr/bin/pidof N/A
File opened for reading /proc/94/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/160/cmdline /usr/bin/pidof N/A
File opened for reading /proc/80/cmdline /usr/bin/pidof N/A
File opened for reading /proc/795/cmdline /usr/bin/pidof N/A
File opened for reading /proc/1353/status /usr/bin/pgrep N/A
File opened for reading /proc/937/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/977/stat /usr/bin/pidof N/A
File opened for reading /proc/774/status /usr/bin/pgrep N/A
File opened for reading /proc/1157/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/159/status /usr/bin/pgrep N/A
File opened for reading /proc/3/status /usr/bin/pgrep N/A
File opened for reading /proc/668/status /usr/bin/pgrep N/A
File opened for reading /proc/1008/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/89/cmdline /usr/bin/pidof N/A
File opened for reading /proc/1588/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/1281/stat /usr/bin/pidof N/A
File opened for reading /proc/1353/cmdline /usr/bin/pidof N/A
File opened for reading /proc/18/status /usr/bin/pgrep N/A
File opened for reading /proc/220/cmdline /usr/bin/pidof N/A
File opened for reading /proc/314/status /usr/bin/pgrep N/A
File opened for reading /proc/82/cmdline /usr/bin/pidof N/A
File opened for reading /proc/1347/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/73/stat /usr/bin/pidof N/A
File opened for reading /proc/1097/cmdline /usr/bin/pidof N/A
File opened for reading /proc/75/status /usr/bin/pgrep N/A
File opened for reading /proc/1347/cmdline /usr/bin/pidof N/A
File opened for reading /proc/197/stat /usr/bin/pidof N/A
File opened for reading /proc/8/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/609/status /usr/bin/pgrep N/A
File opened for reading /proc/1156/status /usr/bin/pgrep N/A
File opened for reading /proc/263/status /usr/bin/pgrep N/A
File opened for reading /proc/220/stat /usr/bin/pidof N/A
File opened for reading /proc/filesystems /usr/bin/systemctl N/A
File opened for reading /proc/1272/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/411/status /usr/bin/pgrep N/A
File opened for reading /proc/590/stat /usr/bin/pidof N/A
File opened for reading /proc/23/status /usr/bin/pgrep N/A
File opened for reading /proc/1572/stat /usr/bin/pidof N/A
File opened for reading /proc/91/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/15/stat /usr/bin/pidof N/A
File opened for reading /proc/634/cmdline /usr/bin/pidof N/A
File opened for reading /proc/1073/cmdline /usr/bin/pidof N/A
File opened for reading /proc/1347/stat /usr/bin/pidof N/A
File opened for reading /proc/1553/stat /usr/bin/pidof N/A
File opened for reading /proc/uptime /usr/bin/pgrep N/A
File opened for reading /proc/1347/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/586/stat /usr/bin/pidof N/A
File opened for reading /proc/795/stat /usr/bin/pidof N/A
File opened for reading /proc/83/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/1160/cmdline /usr/bin/pidof N/A
File opened for reading /proc/614/status /usr/bin/pgrep N/A
File opened for reading /proc/931/stat /usr/bin/pidof N/A
File opened for reading /proc/377/status /usr/bin/pgrep N/A
File opened for reading /proc/7/cmdline /usr/bin/pgrep N/A

Processes

/tmp/na.elf

[/tmp/na.elf]

/bin/sh

[sh -c pgrep na.elf]

/usr/bin/pgrep

[pgrep na.elf]

/bin/sh

[sh -c pgrep uplugplay]

/usr/bin/pgrep

[pgrep uplugplay]

/bin/sh

[sh -c pidof uplugplay]

/usr/bin/pidof

[pidof uplugplay]

/bin/sh

[sh -c pgrep upnpsetup]

/usr/bin/pgrep

[pgrep upnpsetup]

/bin/sh

[sh -c pidof upnpsetup]

/usr/bin/pidof

[pidof upnpsetup]

/bin/sh

[sh -c systemctl daemon-reload]

/usr/bin/systemctl

[systemctl daemon-reload]

/bin/sh

[sh -c systemctl enable uplugplay.service]

/usr/bin/systemctl

[systemctl enable uplugplay.service]

/bin/sh

[sh -c systemctl start uplugplay.service]

/usr/bin/systemctl

[systemctl start uplugplay.service]

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 8.8.8.8:53 p3.feefreepool.net udp
DE 88.198.246.242:80 p3.feefreepool.net tcp

Files

memory/1563-1-0x0000000000400000-0x00000000015640f8-memory.dmp

/usr/sbin/uplugplay

MD5 9de062d8b0a6c2132a8f7ddd4dfb76c2
SHA1 0628fa2c0adfb53b73e09dc4482a5efa26772a05
SHA256 f1dc41b0bdc85756ecba4ca4562981444051d35a9e415ee370665ec94328b475
SHA512 2842229be6a12956f6d769de764739ea091f4eb35d9ff37c7885e59f45f041019fc84dc6a10396a2a05166670eb1524ccb171ffb53fa8b927ec8916798b8098e

/usr/lib/systemd/system/uplugplay.service

MD5 8ca62d1f47880bce036c2956c9b7b272
SHA1 3bcc3a5c4fcc5b0d08c4524a59f6b8e113b62060
SHA256 c655d3d4e374fad38313ec4262207b2d7d68a870238f203ef3c33f85e66c8e32
SHA512 4cd2d9d67151fa25e833707dee2442c4a5f752053fc2c36ec73c0e2b734c66ca69c63fceb47714d9add5b9fe2eee1e45be5199e2cae7c26173e766b333877da6