Malware Analysis Report

2025-06-16 02:03

Sample ID 250221-x56cjaxrbw
Target na.elf
SHA256 95581629b9e4d867aed47449e8a1d2069f17b7d5e2e916d5460fb660e69900f7
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

95581629b9e4d867aed47449e8a1d2069f17b7d5e2e916d5460fb660e69900f7

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

Write file to user bin folder

Enumerates running processes

Modifies systemd

UPX packed file

Reads CPU attributes

Reads runtime system information

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2025-02-21 19:27

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 19:27

Reported

2025-02-21 19:29

Platform

ubuntu1804-amd64-20240611-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/184/status /usr/bin/pgrep N/A
File opened for reading /proc/495/status /usr/bin/pgrep N/A
File opened for reading /proc/482/status /usr/bin/pgrep N/A
File opened for reading /proc/957/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/1196/status /usr/bin/pgrep N/A
File opened for reading /proc/1023/stat /bin/pidof N/A
File opened for reading /proc/684/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/32/cmdline /bin/pidof N/A
File opened for reading /proc/1267/status /usr/bin/pgrep N/A
File opened for reading /proc/8/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/612/status /usr/bin/pgrep N/A
File opened for reading /proc/1300/status /usr/bin/pgrep N/A
File opened for reading /proc/79/cmdline /bin/pidof N/A
File opened for reading /proc/175/cmdline /bin/pidof N/A
File opened for reading /proc/540/stat /bin/pidof N/A
File opened for reading /proc/961/cmdline /bin/pidof N/A
File opened for reading /proc/416/status /usr/bin/pgrep N/A
File opened for reading /proc/684/status /usr/bin/pgrep N/A
File opened for reading /proc/1144/status /usr/bin/pgrep N/A
File opened for reading /proc/686/stat /bin/pidof N/A
File opened for reading /proc/30/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/89/status /usr/bin/pgrep N/A
File opened for reading /proc/180/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/482/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/1/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/183/status /usr/bin/pgrep N/A
File opened for reading /proc/1077/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/18/stat /bin/pidof N/A
File opened for reading /proc/214/cmdline /bin/pidof N/A
File opened for reading /proc/79/cmdline /bin/pidof N/A
File opened for reading /proc/540/cmdline /bin/pidof N/A
File opened for reading /proc/1067/stat /bin/pidof N/A
File opened for reading /proc/16/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/170/stat /bin/pidof N/A
File opened for reading /proc/328/stat /bin/pidof N/A
File opened for reading /proc/450/status /usr/bin/pgrep N/A
File opened for reading /proc/1528/stat /bin/pidof N/A
File opened for reading /proc/180/status /usr/bin/pgrep N/A
File opened for reading /proc/213/status /usr/bin/pgrep N/A
File opened for reading /proc/1091/stat /bin/pidof N/A
File opened for reading /proc/1392/stat /bin/pidof N/A
File opened for reading /proc/cmdline /bin/systemctl N/A
File opened for reading /proc/18/status /usr/bin/pgrep N/A
File opened for reading /proc/29/status /usr/bin/pgrep N/A
File opened for reading /proc/188/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/1074/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/1392/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/173/status /usr/bin/pgrep N/A
File opened for reading /proc/184/status /usr/bin/pgrep N/A
File opened for reading /proc/461/stat /bin/pidof N/A
File opened for reading /proc/1540/status /usr/bin/pgrep N/A
File opened for reading /proc/36/status /usr/bin/pgrep N/A
File opened for reading /proc/18/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/181/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/27/stat /bin/pidof N/A
File opened for reading /proc/36/cmdline /bin/pidof N/A
File opened for reading /proc/2/stat /bin/pidof N/A
File opened for reading /proc/1196/status /usr/bin/pgrep N/A
File opened for reading /proc/4/status /usr/bin/pgrep N/A
File opened for reading /proc/171/status /usr/bin/pgrep N/A
File opened for reading /proc/448/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/22/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/279/cmdline /bin/pidof N/A
File opened for reading /proc/1159/stat /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]

/bin/pidof

[pidof uplugplay]

/bin/sh

[sh -c pgrep upnpsetup]

/usr/bin/pgrep

[pgrep upnpsetup]

/bin/sh

[sh -c pidof upnpsetup]

/bin/pidof

[pidof upnpsetup]

/bin/sh

[sh -c systemctl daemon-reload]

/bin/systemctl

[systemctl daemon-reload]

/bin/sh

[sh -c systemctl enable uplugplay.service]

/bin/systemctl

[systemctl enable uplugplay.service]

/bin/sh

[sh -c systemctl start uplugplay.service]

/bin/systemctl

[systemctl start uplugplay.service]

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
GB 185.125.188.62:443 tcp
GB 185.125.188.62:443 tcp
US 151.101.129.91:443 tcp
US 151.101.129.91:443 tcp
GB 195.181.164.19:443 tcp
US 8.8.8.8:53 p3.feefreepool.net udp
DE 88.198.246.242:80 p3.feefreepool.net tcp

Files

memory/1521-1-0x0000000000400000-0x00000000015640f8-memory.dmp

/usr/sbin/uplugplay

MD5 ad0ae4ad56e9a191d2806635434d5576
SHA1 20daf65cb0fb3b9283da0e50f4dac60809591c53
SHA256 95581629b9e4d867aed47449e8a1d2069f17b7d5e2e916d5460fb660e69900f7
SHA512 64416371f15ada978f868285bafa2abe9ca27194fda181023c26c7c913deb45ed2e3e1a0f3128182878ef06b2c50e9b2191d1704caaa541d7ff32bd0be2ac6f2

/lib/systemd/system/uplugplay.service

MD5 8ca62d1f47880bce036c2956c9b7b272
SHA1 3bcc3a5c4fcc5b0d08c4524a59f6b8e113b62060
SHA256 c655d3d4e374fad38313ec4262207b2d7d68a870238f203ef3c33f85e66c8e32
SHA512 4cd2d9d67151fa25e833707dee2442c4a5f752053fc2c36ec73c0e2b734c66ca69c63fceb47714d9add5b9fe2eee1e45be5199e2cae7c26173e766b333877da6