Malware Analysis Report

2025-06-16 02:03

Sample ID 250221-ylg19szrv8
Target na.elf
SHA256 3c9185683382fb1ee7802f6b58ae7100be868d39158b33476ddd70cf5df6e15c
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

3c9185683382fb1ee7802f6b58ae7100be868d39158b33476ddd70cf5df6e15c

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_elf family

Prometei

Deletes itself

Modifies hosts file

Enumerates running processes

Modifies systemd

Write file to user bin folder

UPX packed file

Reads CPU attributes

Enumerates kernel/hardware configuration

Reads runtime system information

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2025-02-21 19:52

Signatures

UPX packed file

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

Analysis: behavioral1

Detonation Overview

Submitted

2025-02-21 19:52

Reported

2025-02-21 19:54

Platform

ubuntu2404-amd64-20240523-en

Max time kernel

7s

Max time network

132s

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/possible /usr/bin/pgrep N/A
File opened for reading /sys/devices/system/cpu/possible /usr/bin/pgrep N/A
File opened for reading /sys/devices/system/cpu/possible /usr/bin/pgrep N/A

Enumerates kernel/hardware configuration

discovery
Description Indicator Process Target
File opened for reading /sys/devices/system/node /usr/bin/pgrep N/A
File opened for reading /sys/devices/system/node /usr/bin/pgrep N/A
File opened for reading /sys/devices/system/node /usr/bin/pgrep N/A

Reads runtime system information

discovery
Description Indicator Process Target
File opened for reading /proc/2312/status /usr/bin/pgrep N/A
File opened for reading /proc/2231/stat /usr/bin/pidof N/A
File opened for reading /proc/2257/ctty /usr/bin/pgrep N/A
File opened for reading /proc/2495/ctty /usr/bin/pgrep N/A
File opened for reading /proc/2559/cgroup /usr/bin/pgrep N/A
File opened for reading /proc/2601/status /usr/bin/pgrep N/A
File opened for reading /proc/44/ctty /usr/bin/pgrep N/A
File opened for reading /proc/837/stat /usr/bin/pgrep N/A
File opened for reading /proc/2616/stat /usr/bin/pgrep N/A
File opened for reading /proc/29/ctty /usr/bin/pgrep N/A
File opened for reading /proc/2326/cmdline /usr/bin/pidof N/A
File opened for reading /proc/2037/cmdline /usr/bin/pidof N/A
File opened for reading /proc/15/stat /usr/bin/pgrep N/A
File opened for reading /proc/195/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/2261/ctty /usr/bin/pgrep N/A
File opened for reading /proc/39/status /usr/bin/pgrep N/A
File opened for reading /proc/199/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/200/cgroup /usr/bin/pgrep N/A
File opened for reading /proc/784/stat /usr/bin/pgrep N/A
File opened for reading /proc/815/ctty /usr/bin/pgrep N/A
File opened for reading /proc/63/ctty /usr/bin/pgrep N/A
File opened for reading /proc/2261/cgroup /usr/bin/pgrep N/A
File opened for reading /proc/762/cmdline /usr/bin/pidof N/A
File opened for reading /proc/8/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/379/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/416/ctty /usr/bin/pgrep N/A
File opened for reading /proc/2388/cgroup /usr/bin/pgrep N/A
File opened for reading /proc/790/stat /usr/bin/pgrep N/A
File opened for reading /proc/197/stat /usr/bin/pidof N/A
File opened for reading /proc/1401/stat /usr/bin/pgrep N/A
File opened for reading /proc/63/stat /usr/bin/pgrep N/A
File opened for reading /proc/2828/stat /usr/bin/pgrep N/A
File opened for reading /proc/15/ctty /usr/bin/pgrep N/A
File opened for reading /proc/1080/ctty /usr/bin/pgrep N/A
File opened for reading /proc/26/stat /usr/bin/pgrep N/A
File opened for reading /proc/51/status /usr/bin/pgrep N/A
File opened for reading /proc/431/stat /usr/bin/pgrep N/A
File opened for reading /proc/356/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/55/ctty /usr/bin/pgrep N/A
File opened for reading /proc/580/status /usr/bin/pgrep N/A
File opened for reading /proc/2129/cgroup /usr/bin/pgrep N/A
File opened for reading /proc/2559/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/2591/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/2257/stat /usr/bin/pgrep N/A
File opened for reading /proc/2524/status /usr/bin/pgrep N/A
File opened for reading /proc/34/status /usr/bin/pgrep N/A
File opened for reading /proc/195/stat /usr/bin/pgrep N/A
File opened for reading /proc/793/stat /usr/bin/pidof N/A
File opened for reading /proc/2806/stat /usr/bin/pidof N/A
File opened for reading /proc/2315/cgroup /usr/bin/pgrep N/A
File opened for reading /proc/32/status /usr/bin/pgrep N/A
File opened for reading /proc/2151/cgroup /usr/bin/pgrep N/A
File opened for reading /proc/17/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/193/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/1129/status /usr/bin/pgrep N/A
File opened for reading /proc/44/cmdline /usr/bin/pidof N/A
File opened for reading /proc/2548/status /usr/bin/pgrep N/A
File opened for reading /proc/11/stat /usr/bin/pgrep N/A
File opened for reading /proc/63/cgroup /usr/bin/pgrep N/A
File opened for reading /proc/2312/stat /usr/bin/pidof N/A
File opened for reading /proc/2312/stat /usr/bin/pidof N/A
File opened for reading /proc/1107/cgroup /usr/bin/pgrep N/A
File opened for reading /proc/194/cmdline /usr/bin/pidof N/A
File opened for reading /proc/2231/cmdline /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/2829-1-0x0000000000400000-0x00000000015640f8-memory.dmp

/usr/sbin/uplugplay

MD5 ae405420c45daa51c4752cd8915bdb97
SHA1 b290b871082ff205fce7aaf334c20012a797da2a
SHA256 3c9185683382fb1ee7802f6b58ae7100be868d39158b33476ddd70cf5df6e15c
SHA512 0cdfd69cfc0d03a9132ac80e5de79f200d094e2bfec027040bb6ce971873b5a97de9e7976a1375d50c9ec889ceeb5c583c9d544e96328cbd0e5f1be6f059a98c

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

MD5 8ca62d1f47880bce036c2956c9b7b272
SHA1 3bcc3a5c4fcc5b0d08c4524a59f6b8e113b62060
SHA256 c655d3d4e374fad38313ec4262207b2d7d68a870238f203ef3c33f85e66c8e32
SHA512 4cd2d9d67151fa25e833707dee2442c4a5f752053fc2c36ec73c0e2b734c66ca69c63fceb47714d9add5b9fe2eee1e45be5199e2cae7c26173e766b333877da6