Analysis Overview
SHA256
bf8739fd97ae08f481a400469d89069c74c5794cdfd6792ce186d51487427a65
Threat Level: Known bad
The file na.elf was found to be: Known bad.
Malicious Activity Summary
Prometei
Prometei_elf family
Deletes itself
Modifies hosts file
Reads EFI boot settings
Enumerates running processes
Modifies systemd
Write file to user bin folder
UPX packed file
Reads CPU attributes
Reads runtime system information
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2025-02-21 16:32
Signatures
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2025-02-21 16:32
Reported
2025-02-21 16:34
Platform
ubuntu2004-amd64-20240508-en
Max time kernel
5s
Max time network
132s
Command Line
Signatures
Prometei
Prometei_elf family
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 |
Reads EFI boot settings
| Description | Indicator | Process | Target |
| File opened for reading | /sys/firmware/efi/efivars/SystemdOptions-8cf2644b-4b0b-428f-9387-6d876050dc67 | /usr/bin/systemctl | N/A |
| File opened for reading | /sys/firmware/efi/efivars/SystemdOptions-8cf2644b-4b0b-428f-9387-6d876050dc67 | /usr/bin/systemctl | N/A |
| File opened for reading | /sys/firmware/efi/efivars/SystemdOptions-8cf2644b-4b0b-428f-9387-6d876050dc67 | /usr/bin/systemctl | N/A |
Enumerates running processes
Modifies systemd
| Description | Indicator | Process | Target |
| File opened for modification | /lib/systemd/system/uplugplay.service | /tmp/na.elf | N/A |
Write file to user bin folder
| Description | Indicator | Process | Target |
| File opened for modification | /usr/sbin/uplugplay | /tmp/na.elf | N/A |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Reads CPU attributes
| 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
| Description | Indicator | Process | Target |
| File opened for reading | /proc/174/cmdline | /usr/bin/pgrep | N/A |
| File opened for reading | /proc/1343/status | /usr/bin/pgrep | N/A |
| File opened for reading | /proc/4/status | /usr/bin/pgrep | N/A |
| File opened for reading | /proc/76/stat | /usr/bin/pidof | N/A |
| File opened for reading | /proc/1340/cmdline | /usr/bin/pgrep | N/A |
| File opened for reading | /proc/674/status | /usr/bin/pgrep | N/A |
| File opened for reading | /proc/10/cmdline | /usr/bin/pgrep | N/A |
| File opened for reading | /proc/447/status | /usr/bin/pgrep | N/A |
| File opened for reading | /proc/570/status | /usr/bin/pgrep | N/A |
| File opened for reading | /proc/1259/cmdline | /usr/bin/pidof | N/A |
| File opened for reading | /proc/546/stat | /usr/bin/pidof | N/A |
| File opened for reading | /proc/497/status | /usr/bin/pgrep | N/A |
| File opened for reading | /proc/671/cmdline | /usr/bin/pgrep | N/A |
| File opened for reading | /proc/105/cmdline | /usr/bin/pgrep | N/A |
| File opened for reading | /proc/496/status | /usr/bin/pgrep | N/A |
| File opened for reading | /proc/17/cmdline | /usr/bin/pgrep | N/A |
| File opened for reading | /proc/87/cmdline | /usr/bin/pgrep | N/A |
| File opened for reading | /proc/483/cmdline | /usr/bin/pidof | N/A |
| File opened for reading | /proc/1105/cmdline | /usr/bin/pgrep | N/A |
| File opened for reading | /proc/1223/cmdline | /usr/bin/pgrep | N/A |
| File opened for reading | /proc/1101/status | /usr/bin/pgrep | N/A |
| File opened for reading | /proc/89/cmdline | /usr/bin/pgrep | N/A |
| File opened for reading | /proc/480/cmdline | /usr/bin/pgrep | N/A |
| File opened for reading | /proc/1412/cmdline | /usr/bin/pgrep | N/A |
| File opened for reading | /proc/10/cmdline | /usr/bin/pidof | N/A |
| File opened for reading | /proc/18/cmdline | /usr/bin/pgrep | N/A |
| File opened for reading | /proc/175/status | /usr/bin/pgrep | N/A |
| File opened for reading | /proc/504/cmdline | /usr/bin/pgrep | N/A |
| File opened for reading | /proc/641/status | /usr/bin/pgrep | N/A |
| File opened for reading | /proc/589/cmdline | /usr/bin/pidof | N/A |
| File opened for reading | /proc/21/status | /usr/bin/pgrep | N/A |
| File opened for reading | /proc/92/cmdline | /usr/bin/pgrep | N/A |
| File opened for reading | /proc/1242/cmdline | /usr/bin/pgrep | N/A |
| File opened for reading | /proc/79/cmdline | /usr/bin/pidof | N/A |
| File opened for reading | /proc/1/status | /usr/bin/pgrep | N/A |
| File opened for reading | /proc/1202/status | /usr/bin/pgrep | N/A |
| File opened for reading | /proc/1074/stat | /usr/bin/pidof | N/A |
| File opened for reading | /proc/74/cmdline | /usr/bin/pgrep | N/A |
| File opened for reading | /proc/1074/cmdline | /usr/bin/pidof | N/A |
| File opened for reading | /proc/15/status | /usr/bin/pgrep | N/A |
| File opened for reading | /proc/76/cmdline | /usr/bin/pidof | N/A |
| File opened for reading | /proc/91/cmdline | /usr/bin/pidof | N/A |
| File opened for reading | /proc/523/stat | /usr/bin/pidof | N/A |
| File opened for reading | /proc/442/status | /usr/bin/pgrep | N/A |
| File opened for reading | /proc/761/cmdline | /usr/bin/pgrep | N/A |
| File opened for reading | /proc/1027/cmdline | /usr/bin/pgrep | N/A |
| File opened for reading | /proc/19/cmdline | /usr/bin/pidof | N/A |
| File opened for reading | /proc/1077/stat | /usr/bin/pidof | N/A |
| File opened for reading | /proc/1337/cmdline | /usr/bin/pgrep | N/A |
| File opened for reading | /proc/8/status | /usr/bin/pgrep | N/A |
| File opened for reading | /proc/173/stat | /usr/bin/pidof | N/A |
| File opened for reading | /proc/1022/stat | /usr/bin/pidof | N/A |
| File opened for reading | /proc/4/stat | /usr/bin/pidof | N/A |
| File opened for reading | /proc/242/cmdline | /usr/bin/pgrep | N/A |
| File opened for reading | /proc/72/stat | /usr/bin/pidof | N/A |
| File opened for reading | /proc/200/status | /usr/bin/pgrep | N/A |
| File opened for reading | /proc/447/stat | /usr/bin/pidof | N/A |
| File opened for reading | /proc/9/cmdline | /usr/bin/pgrep | N/A |
| File opened for reading | /proc/165/cmdline | /usr/bin/pgrep | N/A |
| File opened for reading | /proc/169/cmdline | /usr/bin/pidof | N/A |
| File opened for reading | /proc/9/cmdline | /usr/bin/pgrep | N/A |
| File opened for reading | /proc/496/stat | /usr/bin/pidof | N/A |
| File opened for reading | /proc/8/status | /usr/bin/pgrep | N/A |
| File opened for reading | /proc/269/status | /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 | |
| AU | 1.1.1.1:53 | connectivity-check.ubuntu.com | udp |
| US | 8.8.8.8:53 | p3.feefreepool.net | udp |
| DE | 88.198.246.242:80 | p3.feefreepool.net | tcp |
| AU | 1.1.1.1:53 | connectivity-check.ubuntu.com | udp |
Files
memory/1405-1-0x0000000000400000-0x00000000015640f8-memory.dmp
/usr/sbin/uplugplay
| MD5 | f5d4522af395c9d7c1c7b430892a8cb9 |
| SHA1 | 0d3ce84c38a3d0d4c3e640df354f379044d2a6bc |
| SHA256 | bf8739fd97ae08f481a400469d89069c74c5794cdfd6792ce186d51487427a65 |
| SHA512 | c6aa951bc06240a10733db1da6d64f7345919191ef1cd88a57ff8be5418ba2f00160e70b85c628a360c10890af218a9ea9cff35f69854cb49938ee1c8030980a |
/usr/lib/systemd/system/uplugplay.service
| MD5 | 8ca62d1f47880bce036c2956c9b7b272 |
| SHA1 | 3bcc3a5c4fcc5b0d08c4524a59f6b8e113b62060 |
| SHA256 | c655d3d4e374fad38313ec4262207b2d7d68a870238f203ef3c33f85e66c8e32 |
| SHA512 | 4cd2d9d67151fa25e833707dee2442c4a5f752053fc2c36ec73c0e2b734c66ca69c63fceb47714d9add5b9fe2eee1e45be5199e2cae7c26173e766b333877da6 |