Malware Analysis Report

2025-06-16 02:03

Sample ID 250221-1q4ryasrs7
Target na.elf
SHA256 7ed0d7b1a171d95cef8def511e6de392bf7ea8632d97a03218555047075bb35e
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

7ed0d7b1a171d95cef8def511e6de392bf7ea8632d97a03218555047075bb35e

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

Enumerates kernel/hardware configuration

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2025-02-21 21:52

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 21:52

Reported

2025-02-21 21:54

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/2526/status /usr/bin/pgrep N/A
File opened for reading /proc/2615/ctty /usr/bin/pgrep N/A
File opened for reading /proc/189/ctty /usr/bin/pgrep N/A
File opened for reading /proc/795/cmdline /usr/bin/pidof N/A
File opened for reading /proc/2231/cgroup /usr/bin/pgrep N/A
File opened for reading /proc/2419/cmdline /usr/bin/pidof N/A
File opened for reading /proc/2/stat /usr/bin/pgrep N/A
File opened for reading /proc/196/status /usr/bin/pgrep N/A
File opened for reading /proc/2229/cgroup /usr/bin/pgrep N/A
File opened for reading /proc/2113/cmdline /usr/bin/pidof N/A
File opened for reading /proc/782/status /usr/bin/pgrep N/A
File opened for reading /proc/2335/stat /usr/bin/pgrep N/A
File opened for reading /proc/2206/status /usr/bin/pgrep N/A
File opened for reading /proc/2760/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/1342/stat /usr/bin/pidof N/A
File opened for reading /proc/2148/stat /usr/bin/pidof N/A
File opened for reading /proc/37/cgroup /usr/bin/pgrep N/A
File opened for reading /proc/510/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/200/status /usr/bin/pgrep N/A
File opened for reading /proc/2209/stat /usr/bin/pgrep N/A
File opened for reading /proc/2329/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/64/status /usr/bin/pgrep N/A
File opened for reading /proc/190/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/14/stat /usr/bin/pidof N/A
File opened for reading /proc/2503/cgroup /usr/bin/pgrep N/A
File opened for reading /proc/37/ctty /usr/bin/pgrep N/A
File opened for reading /proc/55/cgroup /usr/bin/pgrep N/A
File opened for reading /proc/7/ctty /usr/bin/pgrep N/A
File opened for reading /proc/44/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/1342/stat /usr/bin/pgrep N/A
File opened for reading /proc/9/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/51/stat /usr/bin/pgrep N/A
File opened for reading /proc/416/stat /usr/bin/pgrep N/A
File opened for reading /proc/30/stat /usr/bin/pgrep N/A
File opened for reading /proc/38/ctty /usr/bin/pgrep N/A
File opened for reading /proc/54/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/1054/status /usr/bin/pgrep N/A
File opened for reading /proc/2332/ctty /usr/bin/pgrep N/A
File opened for reading /proc/1794/cgroup /usr/bin/pgrep N/A
File opened for reading /proc/9/status /usr/bin/pgrep N/A
File opened for reading /proc/14/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/2570/stat /usr/bin/pidof N/A
File opened for reading /proc/273/status /usr/bin/pgrep N/A
File opened for reading /proc/1086/cgroup /usr/bin/pgrep N/A
File opened for reading /proc/2757/stat /usr/bin/pgrep N/A
File opened for reading /proc/filesystems /usr/bin/systemctl N/A
File opened for reading /proc/795/stat /usr/bin/pgrep N/A
File opened for reading /proc/3/cmdline /usr/bin/pidof N/A
File opened for reading /proc/20/status /usr/bin/pgrep N/A
File opened for reading /proc/39/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/1111/stat /usr/bin/pgrep N/A
File opened for reading /proc/2329/stat /usr/bin/pidof N/A
File opened for reading /proc/2293/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/454/cgroup /usr/bin/pgrep N/A
File opened for reading /proc/7/cgroup /usr/bin/pgrep N/A
File opened for reading /proc/591/ctty /usr/bin/pgrep N/A
File opened for reading /proc/2501/stat /usr/bin/pgrep N/A
File opened for reading /proc/41/ctty /usr/bin/pgrep N/A
File opened for reading /proc/732/stat /usr/bin/pidof N/A
File opened for reading /proc/37/cgroup /usr/bin/pgrep N/A
File opened for reading /proc/2113/stat /usr/bin/pgrep N/A
File opened for reading /proc/1054/ctty /usr/bin/pgrep N/A
File opened for reading /proc/1080/ctty /usr/bin/pgrep N/A
File opened for reading /proc/43/cgroup /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]

/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/2810-1-0x0000000000400000-0x00000000015640f8-memory.dmp

/usr/sbin/uplugplay

MD5 fec7545383a50bb90b6006c73092cbd2
SHA1 4043773f36234e96a844d4d4f529f60efdbde5c0
SHA256 7ed0d7b1a171d95cef8def511e6de392bf7ea8632d97a03218555047075bb35e
SHA512 2c322510cf28473faeb5389487ff1e518edeab239b3353d9e2e5a4c8b978ca6a85a8719a655d4f8d934a53c75e1a1c7ed3dc0804eb94696b5458b8d4f759df2b

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

MD5 8ca62d1f47880bce036c2956c9b7b272
SHA1 3bcc3a5c4fcc5b0d08c4524a59f6b8e113b62060
SHA256 c655d3d4e374fad38313ec4262207b2d7d68a870238f203ef3c33f85e66c8e32
SHA512 4cd2d9d67151fa25e833707dee2442c4a5f752053fc2c36ec73c0e2b734c66ca69c63fceb47714d9add5b9fe2eee1e45be5199e2cae7c26173e766b333877da6