Analysis Overview
SHA256
9f66108e8b2e9484a5622a29f9ae72b1f8c009db497bec5026edf096841a9eac
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
Enumerates running processes
Write file to user bin folder
Modifies systemd
UPX packed file
Reads CPU attributes
Enumerates kernel/hardware configuration
Reads runtime system information
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2025-02-21 21:07
Signatures
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2025-02-21 21:07
Reported
2025-02-21 21:09
Platform
ubuntu2404-amd64-20240523-en
Max time kernel
6s
Max time network
128s
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 |
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/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
| 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
| Description | Indicator | Process | Target |
| File opened for reading | /proc/80/status | /usr/bin/pgrep | N/A |
| File opened for reading | /proc/1974/ctty | /usr/bin/pgrep | N/A |
| File opened for reading | /proc/2/stat | /usr/bin/pidof | N/A |
| File opened for reading | /proc/8/stat | /usr/bin/pgrep | N/A |
| File opened for reading | /proc/66/cgroup | /usr/bin/pgrep | N/A |
| File opened for reading | /proc/728/ctty | /usr/bin/pgrep | N/A |
| File opened for reading | /proc/2226/cmdline | /usr/bin/pgrep | N/A |
| File opened for reading | /proc/1966/stat | /usr/bin/pidof | N/A |
| File opened for reading | /proc/1396/status | /usr/bin/pgrep | N/A |
| File opened for reading | /proc/1397/cmdline | /usr/bin/pgrep | N/A |
| File opened for reading | /proc/1868/cmdline | /usr/bin/pgrep | N/A |
| File opened for reading | /proc/3/cmdline | /usr/bin/pgrep | N/A |
| File opened for reading | /proc/2267/ctty | /usr/bin/pgrep | N/A |
| File opened for reading | /proc/582/cmdline | /usr/bin/pidof | N/A |
| File opened for reading | /proc/1055/stat | /usr/bin/pgrep | N/A |
| File opened for reading | /proc/823/status | /usr/bin/pgrep | N/A |
| File opened for reading | /proc/1986/cgroup | /usr/bin/pgrep | N/A |
| File opened for reading | /proc/191/cgroup | /usr/bin/pgrep | N/A |
| File opened for reading | /proc/891/ctty | /usr/bin/pgrep | N/A |
| File opened for reading | /proc/1956/cgroup | /usr/bin/pgrep | N/A |
| File opened for reading | /proc/2005/status | /usr/bin/pgrep | N/A |
| File opened for reading | /proc/1121/cmdline | /usr/bin/pidof | N/A |
| File opened for reading | /proc/2318/cmdline | /usr/bin/pidof | N/A |
| File opened for reading | /proc/192/status | /usr/bin/pgrep | N/A |
| File opened for reading | /proc/2496/stat | /usr/bin/pgrep | N/A |
| File opened for reading | /proc/1933/cmdline | /usr/bin/pgrep | N/A |
| File opened for reading | /proc/27/cmdline | /usr/bin/pgrep | N/A |
| File opened for reading | /proc/30/ctty | /usr/bin/pgrep | N/A |
| File opened for reading | /proc/2495/status | /usr/bin/pgrep | N/A |
| File opened for reading | /proc/195/stat | /usr/bin/pidof | N/A |
| File opened for reading | /proc/2263/stat | /usr/bin/pidof | N/A |
| File opened for reading | /proc/1974/cgroup | /usr/bin/pgrep | N/A |
| File opened for reading | /proc/2008/status | /usr/bin/pgrep | N/A |
| File opened for reading | /proc/18/cmdline | /usr/bin/pgrep | N/A |
| File opened for reading | /proc/194/status | /usr/bin/pgrep | N/A |
| File opened for reading | /proc/36/cmdline | /usr/bin/pidof | N/A |
| File opened for reading | /proc/1887/cmdline | /usr/bin/pidof | N/A |
| File opened for reading | /proc/16/stat | /usr/bin/pgrep | N/A |
| File opened for reading | /proc/1868/cmdline | /usr/bin/pidof | N/A |
| File opened for reading | /proc/1058/stat | /usr/bin/pidof | N/A |
| File opened for reading | /proc/2009/status | /usr/bin/pgrep | N/A |
| File opened for reading | /proc/2493/stat | /usr/bin/pidof | N/A |
| File opened for reading | /proc/54/stat | /usr/bin/pgrep | N/A |
| File opened for reading | /proc/1081/cmdline | /usr/bin/pgrep | N/A |
| File opened for reading | /proc/1957/cgroup | /usr/bin/pgrep | N/A |
| File opened for reading | /proc/1901/ctty | /usr/bin/pgrep | N/A |
| File opened for reading | /proc/36/cmdline | /usr/bin/pgrep | N/A |
| File opened for reading | /proc/80/cmdline | /usr/bin/pgrep | N/A |
| File opened for reading | /proc/124/cgroup | /usr/bin/pgrep | N/A |
| File opened for reading | /proc/1396/stat | /usr/bin/pgrep | N/A |
| File opened for reading | /proc/5/stat | /usr/bin/pidof | N/A |
| File opened for reading | /proc/20/cmdline | /usr/bin/pidof | N/A |
| File opened for reading | /proc/385/cgroup | /usr/bin/pgrep | N/A |
| File opened for reading | /proc/15/stat | /usr/bin/pgrep | N/A |
| File opened for reading | /proc/33/status | /usr/bin/pgrep | N/A |
| File opened for reading | /proc/55/cmdline | /usr/bin/pgrep | N/A |
| File opened for reading | /proc/2267/cmdline | /usr/bin/pgrep | N/A |
| File opened for reading | /proc/1901/ctty | /usr/bin/pgrep | N/A |
| File opened for reading | /proc/198/stat | /usr/bin/pidof | N/A |
| File opened for reading | /proc/24/status | /usr/bin/pgrep | N/A |
| File opened for reading | /proc/2206/status | /usr/bin/pgrep | N/A |
| File opened for reading | /proc/30/stat | /usr/bin/pidof | N/A |
| File opened for reading | /proc/36/cgroup | /usr/bin/pgrep | N/A |
| File opened for reading | /proc/385/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 |
| US | 8.8.8.8:53 | _http._tcp.security.ubuntu.com | udp |
| US | 8.8.8.8:53 | _http._tcp.se.archive.ubuntu.com | udp |
| US | 8.8.8.8:53 | security.ubuntu.com | udp |
| US | 8.8.8.8:53 | security.ubuntu.com | udp |
| US | 8.8.8.8:53 | se.archive.ubuntu.com | udp |
| US | 8.8.8.8:53 | se.archive.ubuntu.com | udp |
| GB | 185.125.190.81:80 | security.ubuntu.com | tcp |
| SE | 194.71.11.173:80 | se.archive.ubuntu.com | tcp |
| SE | 194.71.11.163:80 | se.archive.ubuntu.com | tcp |
Files
memory/2496-1-0x0000000000400000-0x00000000015640f8-memory.dmp
/usr/sbin/uplugplay
| MD5 | 573be86be553c072f9227334859e47f8 |
| SHA1 | 12854f3086102ae83753d52d3a3119333d964261 |
| SHA256 | 9f66108e8b2e9484a5622a29f9ae72b1f8c009db497bec5026edf096841a9eac |
| SHA512 | 96162c4fd9444afcacf150efe266fead207eb04c673b9ce3b5e396684b8deeeae5fd1e20977794a70bc44ebf5be1d2e9cc84edbcb208e0e9e8c0841239a06029 |
/usr/lib/systemd/system/uplugplay.service
| MD5 | 8ca62d1f47880bce036c2956c9b7b272 |
| SHA1 | 3bcc3a5c4fcc5b0d08c4524a59f6b8e113b62060 |
| SHA256 | c655d3d4e374fad38313ec4262207b2d7d68a870238f203ef3c33f85e66c8e32 |
| SHA512 | 4cd2d9d67151fa25e833707dee2442c4a5f752053fc2c36ec73c0e2b734c66ca69c63fceb47714d9add5b9fe2eee1e45be5199e2cae7c26173e766b333877da6 |