Malware Analysis Report

2025-06-16 02:03

Sample ID 250222-fhgbfsypbr
Target na.elf
SHA256 2a3307dd209792a7c39d257349429af94d9d77c286c6592a57a2e61788d635a3
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

2a3307dd209792a7c39d257349429af94d9d77c286c6592a57a2e61788d635a3

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

2025-02-22 04:52

Signatures

UPX packed file

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

Analysis: behavioral1

Detonation Overview

Submitted

2025-02-22 04:52

Reported

2025-02-22 04:54

Platform

ubuntu2204-amd64-20240729-en

Max time kernel

5s

Max time network

128s

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/1054/status /usr/bin/pgrep N/A
File opened for reading /proc/15/status /usr/bin/pgrep N/A
File opened for reading /proc/202/status /usr/bin/pgrep N/A
File opened for reading /proc/1232/status /usr/bin/pgrep N/A
File opened for reading /proc/94/cmdline /usr/bin/pidof N/A
File opened for reading /proc/1589/status /usr/bin/pgrep N/A
File opened for reading /proc/202/stat /usr/bin/pidof N/A
File opened for reading /proc/15/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/74/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/97/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/195/status /usr/bin/pgrep N/A
File opened for reading /proc/977/stat /usr/bin/pidof N/A
File opened for reading /proc/8/cmdline /usr/bin/pidof N/A
File opened for reading /proc/1114/cmdline /usr/bin/pidof N/A
File opened for reading /proc/23/status /usr/bin/pgrep N/A
File opened for reading /proc/24/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/1560/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/212/stat /usr/bin/pidof N/A
File opened for reading /proc/377/stat /usr/bin/pidof N/A
File opened for reading /proc/10/status /usr/bin/pgrep N/A
File opened for reading /proc/640/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/1063/status /usr/bin/pgrep N/A
File opened for reading /proc/3/status /usr/bin/pgrep N/A
File opened for reading /proc/10/cmdline /usr/bin/pidof N/A
File opened for reading /proc/222/status /usr/bin/pgrep N/A
File opened for reading /proc/1098/status /usr/bin/pgrep N/A
File opened for reading /proc/1431/status /usr/bin/pgrep N/A
File opened for reading /proc/1076/cmdline /usr/bin/pidof N/A
File opened for reading /proc/1172/cmdline /usr/bin/pidof N/A
File opened for reading /proc/774/status /usr/bin/pgrep N/A
File opened for reading /proc/204/stat /usr/bin/pidof N/A
File opened for reading /proc/164/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/18/cmdline /usr/bin/pidof N/A
File opened for reading /proc/1185/stat /usr/bin/pidof N/A
File opened for reading /proc/413/status /usr/bin/pgrep N/A
File opened for reading /proc/212/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/1572/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/586/stat /usr/bin/pidof N/A
File opened for reading /proc/199/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/416/status /usr/bin/pgrep N/A
File opened for reading /proc/617/status /usr/bin/pgrep N/A
File opened for reading /proc/1039/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/85/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/527/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/611/status /usr/bin/pgrep N/A
File opened for reading /proc/1175/status /usr/bin/pgrep N/A
File opened for reading /proc/225/stat /usr/bin/pidof N/A
File opened for reading /proc/10/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/21/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/1145/cmdline /usr/bin/pidof N/A
File opened for reading /proc/20/cmdline /usr/bin/pidof N/A
File opened for reading /proc/198/cmdline /usr/bin/pidof N/A
File opened for reading /proc/740/status /usr/bin/pgrep N/A
File opened for reading /proc/77/status /usr/bin/pgrep N/A
File opened for reading /proc/17/cmdline /usr/bin/pidof N/A
File opened for reading /proc/85/stat /usr/bin/pidof N/A
File opened for reading /proc/163/status /usr/bin/pgrep N/A
File opened for reading /proc/531/cmdline /usr/bin/pidof N/A
File opened for reading /proc/762/status /usr/bin/pgrep N/A
File opened for reading /proc/27/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/1172/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/198/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/82/stat /usr/bin/pidof N/A
File opened for reading /proc/93/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/1563-1-0x0000000000400000-0x00000000015640f8-memory.dmp

/usr/sbin/uplugplay

MD5 7fbdf8e53e699573336413409512bbe3
SHA1 68e9ba56638c96987b7f3a07124cdedb7625f407
SHA256 2a3307dd209792a7c39d257349429af94d9d77c286c6592a57a2e61788d635a3
SHA512 d606b8090bed449fefb949e3fe9c4a63f0b5198eb85ade8cde6c9d850981d22799414f0299d36e1f22ae90ea2a9714d8dad128771414c3e80b8c065042af0b15

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

MD5 8ca62d1f47880bce036c2956c9b7b272
SHA1 3bcc3a5c4fcc5b0d08c4524a59f6b8e113b62060
SHA256 c655d3d4e374fad38313ec4262207b2d7d68a870238f203ef3c33f85e66c8e32
SHA512 4cd2d9d67151fa25e833707dee2442c4a5f752053fc2c36ec73c0e2b734c66ca69c63fceb47714d9add5b9fe2eee1e45be5199e2cae7c26173e766b333877da6