Malware Analysis Report

2025-06-16 02:03

Sample ID 250221-w3t12syp16
Target na.elf
SHA256 447066ebca99e2042d8f39faf1667ccb71b1415f65c4a6a1e29ec94ee93df994
Tags
prometei_elf botnet discovery miner persistence privilege_escalation upx
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

447066ebca99e2042d8f39faf1667ccb71b1415f65c4a6a1e29ec94ee93df994

Threat Level: Known bad

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

Malicious Activity Summary

prometei_elf botnet discovery miner persistence privilege_escalation upx

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 18:27

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 18:27

Reported

2025-02-21 18:29

Platform

ubuntu1804-amd64-20240611-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/status /usr/bin/pgrep N/A
File opened for reading /proc/30/stat /bin/pidof N/A
File opened for reading /proc/180/stat /bin/pidof N/A
File opened for reading /proc/13/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/1355/status /usr/bin/pgrep N/A
File opened for reading /proc/1170/cmdline /bin/pidof N/A
File opened for reading /proc/615/stat /bin/pidof N/A
File opened for reading /proc/1534/stat /bin/pidof N/A
File opened for reading /proc/281/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/1190/status /usr/bin/pgrep N/A
File opened for reading /proc/36/cmdline /bin/pidof N/A
File opened for reading /proc/539/stat /bin/pidof N/A
File opened for reading /proc/1193/stat /bin/pidof N/A
File opened for reading /proc/1313/cmdline /bin/pidof N/A
File opened for reading /proc/1340/cmdline /bin/pidof N/A
File opened for reading /proc/21/status /usr/bin/pgrep N/A
File opened for reading /proc/1193/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/1167/status /usr/bin/pgrep N/A
File opened for reading /proc/1200/status /usr/bin/pgrep N/A
File opened for reading /proc/187/cmdline /bin/pidof N/A
File opened for reading /proc/471/cmdline /bin/pidof N/A
File opened for reading /proc/693/cmdline /bin/pidof N/A
File opened for reading /proc/1002/stat /bin/pidof N/A
File opened for reading /proc/188/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/1278/status /usr/bin/pgrep N/A
File opened for reading /proc/416/status /usr/bin/pgrep N/A
File opened for reading /proc/1187/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/1498/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/184/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/421/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/3/stat /bin/pidof N/A
File opened for reading /proc/172/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/21/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/1150/status /usr/bin/pgrep N/A
File opened for reading /proc/80/stat /bin/pidof N/A
File opened for reading /proc/182/cmdline /bin/pidof N/A
File opened for reading /proc/1160/cmdline /bin/pidof N/A
File opened for reading /proc/678/stat /bin/pidof N/A
File opened for reading /proc/174/stat /bin/pidof N/A
File opened for reading /proc/999/cmdline /bin/pidof N/A
File opened for reading /proc/1026/stat /bin/pidof N/A
File opened for reading /proc/1530/cmdline /bin/pidof N/A
File opened for reading /proc/10/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/26/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/1197/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/25/stat /bin/pidof N/A
File opened for reading /proc/1031/cmdline /bin/pidof N/A
File opened for reading /proc/539/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/23/cmdline /bin/pidof N/A
File opened for reading /proc/115/cmdline /bin/pidof N/A
File opened for reading /proc/25/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/1129/status /usr/bin/pgrep N/A
File opened for reading /proc/1150/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/772/cmdline /bin/pidof N/A
File opened for reading /proc/8/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/19/status /usr/bin/pgrep N/A
File opened for reading /proc/174/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/1045/status /usr/bin/pgrep N/A
File opened for reading /proc/27/status /usr/bin/pgrep N/A
File opened for reading /proc/457/status /usr/bin/pgrep N/A
File opened for reading /proc/1146/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/420/status /usr/bin/pgrep N/A
File opened for reading /proc/656/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/1340/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]

/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 151.101.193.91:443 tcp
US 151.101.193.91:443 tcp
GB 89.187.167.3:443 tcp
US 8.8.8.8:53 p3.feefreepool.net udp
DE 88.198.246.242:80 p3.feefreepool.net tcp

Files

memory/1504-1-0x0000000000400000-0x00000000015640f8-memory.dmp

/usr/sbin/uplugplay

MD5 693b580965363240fc98cd1ac1748b9c
SHA1 d4fe39fdc15396f8e6f63fca823a2a286577329d
SHA256 447066ebca99e2042d8f39faf1667ccb71b1415f65c4a6a1e29ec94ee93df994
SHA512 38651168ea32529ae59ebcf27ca11bec01da7763c3496dace084c08065c676e10eb2c1e0d76bbbddc8223cd2b569b1602a62fa86e0b08953cbb4d7cf89896b24

/lib/systemd/system/uplugplay.service

MD5 8ca62d1f47880bce036c2956c9b7b272
SHA1 3bcc3a5c4fcc5b0d08c4524a59f6b8e113b62060
SHA256 c655d3d4e374fad38313ec4262207b2d7d68a870238f203ef3c33f85e66c8e32
SHA512 4cd2d9d67151fa25e833707dee2442c4a5f752053fc2c36ec73c0e2b734c66ca69c63fceb47714d9add5b9fe2eee1e45be5199e2cae7c26173e766b333877da6