Malware Analysis Report

2025-06-16 02:03

Sample ID 250221-xzd14axpg1
Target na.elf
SHA256 7d5cddfa13fb396bab1865ff0be48b22745f9dd44a1aceb8af1bf504dfefff86
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

7d5cddfa13fb396bab1865ff0be48b22745f9dd44a1aceb8af1bf504dfefff86

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

Enumerates running processes

Modifies systemd

Write file to user bin folder

UPX packed file

Reads CPU attributes

Reads runtime system information

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2025-02-21 19:17

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 19:17

Reported

2025-02-21 19:19

Platform

ubuntu2204-amd64-20240611-en

Max time kernel

6s

Max time network

131s

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/410/cmdline /usr/bin/pidof N/A
File opened for reading /proc/634/cmdline /usr/bin/pidof N/A
File opened for reading /proc/373/status /usr/bin/pgrep N/A
File opened for reading /proc/4/cmdline /usr/bin/pidof N/A
File opened for reading /proc/24/cmdline /usr/bin/pidof N/A
File opened for reading /proc/1035/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/600/stat /usr/bin/pidof N/A
File opened for reading /proc/833/stat /usr/bin/pidof N/A
File opened for reading /proc/1181/stat /usr/bin/pidof N/A
File opened for reading /proc/695/stat /usr/bin/pidof N/A
File opened for reading /proc/1283/cmdline /usr/bin/pidof N/A
File opened for reading /proc/864/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/1528/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/772/stat /usr/bin/pidof N/A
File opened for reading /proc/1247/stat /usr/bin/pidof N/A
File opened for reading /proc/217/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/223/status /usr/bin/pgrep N/A
File opened for reading /proc/11/stat /usr/bin/pidof N/A
File opened for reading /proc/525/cmdline /usr/bin/pidof N/A
File opened for reading /proc/1176/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/25/stat /usr/bin/pidof N/A
File opened for reading /proc/216/cmdline /usr/bin/pidof N/A
File opened for reading /proc/631/stat /usr/bin/pidof N/A
File opened for reading /proc/953/cmdline /usr/bin/pidof N/A
File opened for reading /proc/1179/cmdline /usr/bin/pidof N/A
File opened for reading /proc/82/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/96/status /usr/bin/pgrep N/A
File opened for reading /proc/597/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/1471/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/13/status /usr/bin/pgrep N/A
File opened for reading /proc/22/status /usr/bin/pgrep N/A
File opened for reading /proc/20/stat /usr/bin/pidof N/A
File opened for reading /proc/409/stat /usr/bin/pidof N/A
File opened for reading /proc/628/stat /usr/bin/pidof N/A
File opened for reading /proc/99/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/19/status /usr/bin/pgrep N/A
File opened for reading /proc/5/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/259/cmdline /usr/bin/pidof N/A
File opened for reading /proc/759/stat /usr/bin/pidof N/A
File opened for reading /proc/1259/cmdline /usr/bin/pidof N/A
File opened for reading /proc/6/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/90/cmdline /usr/bin/pidof N/A
File opened for reading /proc/745/stat /usr/bin/pidof N/A
File opened for reading /proc/631/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/1101/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/864/stat /usr/bin/pidof N/A
File opened for reading /proc/216/cmdline /usr/bin/pidof N/A
File opened for reading /proc/220/stat /usr/bin/pidof N/A
File opened for reading /proc/411/status /usr/bin/pgrep N/A
File opened for reading /proc/1181/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/1398/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/399/stat /usr/bin/pidof N/A
File opened for reading /proc/959/cmdline /usr/bin/pidof N/A
File opened for reading /proc/112/status /usr/bin/pgrep N/A
File opened for reading /proc/2/stat /usr/bin/pidof N/A
File opened for reading /proc/88/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/90/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/1272/status /usr/bin/pgrep N/A
File opened for reading /proc/9/cmdline /usr/bin/pidof N/A
File opened for reading /proc/23/cmdline /usr/bin/pidof N/A
File opened for reading /proc/631/stat /usr/bin/pidof N/A
File opened for reading /proc/410/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/1030/cmdline /usr/bin/pidof N/A
File opened for reading /proc/1596/status /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/1587-1-0x0000000000400000-0x00000000015640f8-memory.dmp

/usr/sbin/uplugplay

MD5 1e82f69a6a1ec132fe03c9f45837717b
SHA1 7fb723e62ae4fb60b58efc96b2f8ee23256244ef
SHA256 7d5cddfa13fb396bab1865ff0be48b22745f9dd44a1aceb8af1bf504dfefff86
SHA512 d0a6c97b2c492abbf278f87fd0a11ebeba60a515af93a6b0fcac081cfaa4133d9127a083d0471733afc8fbd196c526b00fc9d560f43040776304788289e20b0b

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

MD5 8ca62d1f47880bce036c2956c9b7b272
SHA1 3bcc3a5c4fcc5b0d08c4524a59f6b8e113b62060
SHA256 c655d3d4e374fad38313ec4262207b2d7d68a870238f203ef3c33f85e66c8e32
SHA512 4cd2d9d67151fa25e833707dee2442c4a5f752053fc2c36ec73c0e2b734c66ca69c63fceb47714d9add5b9fe2eee1e45be5199e2cae7c26173e766b333877da6