Malware Analysis Report

2025-06-16 02:03

Sample ID 250221-v93fbswmgx
Target na.elf
SHA256 734ecc20e225d2414a5d0810f76f6246c69ce5b81609699667e2857205e8c029
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

734ecc20e225d2414a5d0810f76f6246c69ce5b81609699667e2857205e8c029

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 17:42

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 17:42

Reported

2025-02-21 17:44

Platform

ubuntu2204-amd64-20240611-en

Max time kernel

5s

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/1253/status /usr/bin/pgrep N/A
File opened for reading /proc/775/stat /usr/bin/pidof N/A
File opened for reading /proc/2/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/82/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/1284/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/1441/status /usr/bin/pgrep N/A
File opened for reading /proc/81/cmdline /usr/bin/pidof N/A
File opened for reading /proc/775/cmdline /usr/bin/pidof N/A
File opened for reading /proc/1037/cmdline /usr/bin/pidof N/A
File opened for reading /proc/96/status /usr/bin/pgrep N/A
File opened for reading /proc/21/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/98/status /usr/bin/pgrep N/A
File opened for reading /proc/1195/stat /usr/bin/pidof N/A
File opened for reading /proc/377/cmdline /usr/bin/pidof N/A
File opened for reading /proc/1284/stat /usr/bin/pidof N/A
File opened for reading /proc/77/status /usr/bin/pgrep N/A
File opened for reading /proc/18/status /usr/bin/pgrep N/A
File opened for reading /proc/594/status /usr/bin/pgrep N/A
File opened for reading /proc/610/status /usr/bin/pgrep N/A
File opened for reading /proc/1298/status /usr/bin/pgrep N/A
File opened for reading /proc/1150/stat /usr/bin/pidof N/A
File opened for reading /proc/201/status /usr/bin/pgrep N/A
File opened for reading /proc/27/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/77/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/195/status /usr/bin/pgrep N/A
File opened for reading /proc/10/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/1146/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/91/cmdline /usr/bin/pidof N/A
File opened for reading /proc/731/stat /usr/bin/pidof N/A
File opened for reading /proc/740/cmdline /usr/bin/pidof N/A
File opened for reading /proc/1150/status /usr/bin/pgrep N/A
File opened for reading /proc/775/status /usr/bin/pgrep N/A
File opened for reading /proc/1264/stat /usr/bin/pidof N/A
File opened for reading /proc/972/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/991/status /usr/bin/pgrep N/A
File opened for reading /proc/78/status /usr/bin/pgrep N/A
File opened for reading /proc/522/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/1231/status /usr/bin/pgrep N/A
File opened for reading /proc/1290/stat /usr/bin/pidof N/A
File opened for reading /proc/1103/status /usr/bin/pgrep N/A
File opened for reading /proc/1164/stat /usr/bin/pidof N/A
File opened for reading /proc/588/status /usr/bin/pgrep N/A
File opened for reading /proc/25/status /usr/bin/pgrep N/A
File opened for reading /proc/589/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/209/status /usr/bin/pgrep N/A
File opened for reading /proc/594/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/89/stat /usr/bin/pidof N/A
File opened for reading /proc/1169/cmdline /usr/bin/pidof N/A
File opened for reading /proc/1/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/1314/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/4/status /usr/bin/pgrep N/A
File opened for reading /proc/782/cmdline /usr/bin/pidof N/A
File opened for reading /proc/1245/stat /usr/bin/pidof N/A
File opened for reading /proc/409/status /usr/bin/pgrep N/A
File opened for reading /proc/26/stat /usr/bin/pidof N/A
File opened for reading /proc/683/cmdline /usr/bin/pidof N/A
File opened for reading /proc/414/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/1591/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/1187/cmdline /usr/bin/pidof N/A
File opened for reading /proc/215/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/1114/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/207/cmdline /usr/bin/pidof N/A
File opened for reading /proc/740/stat /usr/bin/pidof N/A
File opened for reading /proc/24/stat /usr/bin/pidof 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/1572-1-0x0000000000400000-0x00000000015640f8-memory.dmp

/usr/sbin/uplugplay

MD5 0b6d0c898cefb78ebbdd26609e818a46
SHA1 4f29a29d7a6004e3c9b19e7c6480bee778c7c9ad
SHA256 734ecc20e225d2414a5d0810f76f6246c69ce5b81609699667e2857205e8c029
SHA512 3226eb9f93463cd27eaba70f5739b69ae95b8da3630ef0425e46eaa6db38c2fbfa7a8c17fec363a410e04533f5dd60bc03f93da797861c5c0c3d52f1bad663b8

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

MD5 8ca62d1f47880bce036c2956c9b7b272
SHA1 3bcc3a5c4fcc5b0d08c4524a59f6b8e113b62060
SHA256 c655d3d4e374fad38313ec4262207b2d7d68a870238f203ef3c33f85e66c8e32
SHA512 4cd2d9d67151fa25e833707dee2442c4a5f752053fc2c36ec73c0e2b734c66ca69c63fceb47714d9add5b9fe2eee1e45be5199e2cae7c26173e766b333877da6