Analysis Overview
SHA256
3c9185683382fb1ee7802f6b58ae7100be868d39158b33476ddd70cf5df6e15c
Threat Level: Known bad
The file na.elf was found to be: Known bad.
Malicious Activity Summary
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
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2025-02-21 19:52
Signatures
UPX packed file
| 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
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/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 |