Malware Analysis Report

2025-06-16 02:03

Sample ID 250222-esk7qaxmds
Target na.elf
SHA256 082074dde6ef0ec315fd01f92834dbe2b3b0d4018c16af6b590ffcdec4efe48b
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

082074dde6ef0ec315fd01f92834dbe2b3b0d4018c16af6b590ffcdec4efe48b

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

Modifies hosts file

Deletes itself

Write file to user bin folder

Enumerates running processes

Modifies systemd

UPX packed file

Reads CPU attributes

Enumerates kernel/hardware configuration

Reads runtime system information

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2025-02-22 04:12

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 04:12

Reported

2025-02-22 04:14

Platform

ubuntu2404-amd64-20240523-en

Max time kernel

7s

Max time network

131s

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/71/status /usr/bin/pgrep N/A
File opened for reading /proc/2874/ctty /usr/bin/pgrep N/A
File opened for reading /proc/2065/stat /usr/bin/pidof N/A
File opened for reading /proc/2690/stat /usr/bin/pgrep N/A
File opened for reading /proc/23/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/2360/ctty /usr/bin/pgrep N/A
File opened for reading /proc/2599/cgroup /usr/bin/pgrep N/A
File opened for reading /proc/2863/cgroup /usr/bin/pgrep N/A
File opened for reading /proc/28/stat /usr/bin/pidof N/A
File opened for reading /proc/2387/ctty /usr/bin/pgrep N/A
File opened for reading /proc/436/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/190/status /usr/bin/pgrep N/A
File opened for reading /proc/2165/ctty /usr/bin/pgrep N/A
File opened for reading /proc/2874/cgroup /usr/bin/pgrep N/A
File opened for reading /proc/16/cmdline /usr/bin/pidof N/A
File opened for reading /proc/1400/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/16/stat /usr/bin/pgrep N/A
File opened for reading /proc/181/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/2242/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/729/status /usr/bin/pgrep N/A
File opened for reading /proc/2340/cmdline /usr/bin/pidof N/A
File opened for reading /proc/40/ctty /usr/bin/pgrep N/A
File opened for reading /proc/49/ctty /usr/bin/pgrep N/A
File opened for reading /proc/2524/status /usr/bin/pgrep N/A
File opened for reading /proc/43/cgroup /usr/bin/pgrep N/A
File opened for reading /proc/2636/ctty /usr/bin/pgrep N/A
File opened for reading /proc/57/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/2187/stat /usr/bin/pgrep N/A
File opened for reading /proc/2651/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/365/cgroup /usr/bin/pgrep N/A
File opened for reading /proc/368/stat /usr/bin/pgrep N/A
File opened for reading /proc/368/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/2187/cgroup /usr/bin/pgrep N/A
File opened for reading /proc/2463/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/1110/status /usr/bin/pgrep N/A
File opened for reading /proc/14/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/self/status /usr/bin/pgrep N/A
File opened for reading /proc/1782/cmdline /usr/bin/pidof N/A
File opened for reading /proc/2330/stat /usr/bin/pidof N/A
File opened for reading /proc/2345/stat /usr/bin/pgrep N/A
File opened for reading /proc/30/cgroup /usr/bin/pgrep N/A
File opened for reading /proc/8/stat /usr/bin/pgrep N/A
File opened for reading /proc/54/ctty /usr/bin/pgrep N/A
File opened for reading /proc/199/status /usr/bin/pgrep N/A
File opened for reading /proc/356/cgroup /usr/bin/pgrep N/A
File opened for reading /proc/2344/ctty /usr/bin/pgrep N/A
File opened for reading /proc/787/cmdline /usr/bin/pidof N/A
File opened for reading /proc/2293/stat /usr/bin/pidof N/A
File opened for reading /proc/21/stat /usr/bin/pgrep N/A
File opened for reading /proc/26/ctty /usr/bin/pgrep N/A
File opened for reading /proc/1061/stat /usr/bin/pgrep N/A
File opened for reading /proc/2345/ctty /usr/bin/pgrep N/A
File opened for reading /proc/199/status /usr/bin/pgrep N/A
File opened for reading /proc/431/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/1066/ctty /usr/bin/pgrep N/A
File opened for reading /proc/356/ctty /usr/bin/pgrep N/A
File opened for reading /proc/2312/ctty /usr/bin/pgrep N/A
File opened for reading /proc/12/ctty /usr/bin/pgrep N/A
File opened for reading /proc/2719/ctty /usr/bin/pgrep N/A
File opened for reading /proc/2803/stat /usr/bin/pidof N/A
File opened for reading /proc/589/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/5/ctty /usr/bin/pgrep N/A
File opened for reading /proc/775/cmdline /usr/bin/pidof N/A
File opened for reading /proc/26/ctty /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/2866-1-0x0000000000400000-0x00000000015640f8-memory.dmp

/usr/sbin/uplugplay

MD5 f6f9b4ecce8ab0c9218b94eae0d72a26
SHA1 77f06fcb68284e909661fd7e4c7824bb1c0c3896
SHA256 082074dde6ef0ec315fd01f92834dbe2b3b0d4018c16af6b590ffcdec4efe48b
SHA512 5b1bbcde955a75850dbbf4f922bb5ab6f6adecd316daddc502bf67ffd55e5ba81c45dadb19482e36669d184abed585c266476697b4e197585e0e6978def42784

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

MD5 8ca62d1f47880bce036c2956c9b7b272
SHA1 3bcc3a5c4fcc5b0d08c4524a59f6b8e113b62060
SHA256 c655d3d4e374fad38313ec4262207b2d7d68a870238f203ef3c33f85e66c8e32
SHA512 4cd2d9d67151fa25e833707dee2442c4a5f752053fc2c36ec73c0e2b734c66ca69c63fceb47714d9add5b9fe2eee1e45be5199e2cae7c26173e766b333877da6