Linux Analysis Report
na.elf

ID:	1532148
Product:	CloudBasic
Start time:	16:27:11
Start date:	12.10.2024
Sample:	na.elf
Cookbook:	defaultlinuxfilecookbook.jbs
System description:	Ubuntu Linux 20.04 x64 (Kernel 5.4.0-72, Firefox 91.0, Evince Document Viewer 3.36.10, LibreOffice 6.4.7.2, OpenJDK 11.0.11)
Architecture:	LINUX
MD5:	bdc4463c2ff5e4ba7326a28c87657357
SHA1:	d923abe1d944c52d48a7d2497a6bffee0209b22b
SHA256:	2b273448e301b5cffa49faa820bfb0c8ae88e59bef062115ae31d31fba9469f8
Filetype:	ELF Executable and Linkable format (generic) (4004/1) 100.00%

Name	Type	MD5	SHA1	SHA256

AV Detection

Source: na.elf	ReversingLabs: Detection: 21%
Source: na.elf	Virustotal: Detection: 9%			Perma Link

Compliance

Source: unknown

HTTPS traffic detected: 54.247.62.1:443 -> 192.168.2.15:52464 version: TLS 1.2

Spreading

Source: na.elf

String: /lib//sbin//usr//proc//exeself/fd/fd/socket:/proc/proc//exewgetcurlftpmountabcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789/proc/net/tcp/proc//exe/fd//proc//maps/lib/usr/lib

Networking

Source: global traffic

TCP traffic: 192.168.2.15:49412 -> 77.232.36.152:9583

Source: /tmp/na.elf (PID: 5525)

Socket: 127.0.0.1:45295

Jump to behavior

Source: unknown	TCP traffic detected without corresponding DNS query: 77.232.36.152
Source: unknown	TCP traffic detected without corresponding DNS query: 77.232.36.152
Source: unknown	TCP traffic detected without corresponding DNS query: 77.232.36.152
Source: unknown	TCP traffic detected without corresponding DNS query: 77.232.36.152
Source: unknown	TCP traffic detected without corresponding DNS query: 54.247.62.1
Source: unknown	TCP traffic detected without corresponding DNS query: 54.247.62.1
Source: unknown	TCP traffic detected without corresponding DNS query: 54.247.62.1
Source: unknown	TCP traffic detected without corresponding DNS query: 54.247.62.1
Source: unknown	TCP traffic detected without corresponding DNS query: 54.247.62.1
Source: unknown	TCP traffic detected without corresponding DNS query: 54.247.62.1
Source: unknown	TCP traffic detected without corresponding DNS query: 54.247.62.1
Source: unknown	TCP traffic detected without corresponding DNS query: 54.247.62.1
Source: unknown	TCP traffic detected without corresponding DNS query: 54.247.62.1
Source: unknown	TCP traffic detected without corresponding DNS query: 54.247.62.1
Source: unknown	TCP traffic detected without corresponding DNS query: 54.247.62.1
Source: unknown	TCP traffic detected without corresponding DNS query: 54.247.62.1
Source: unknown	TCP traffic detected without corresponding DNS query: 77.232.36.152
Source: unknown	TCP traffic detected without corresponding DNS query: 77.232.36.152

Source: global traffic

DNS traffic detected: DNS query: xlabresearch.ru

Source: unknown	Network traffic detected: HTTP traffic on port 443 -> 52464
Source: unknown	Network traffic detected: HTTP traffic on port 52464 -> 443

Source: unknown

HTTPS traffic detected: 54.247.62.1:443 -> 192.168.2.15:52464 version: TLS 1.2

System Summary

Source: ELF static info symbol of initial sample	Name: add_attack
Source: ELF static info symbol of initial sample	Name: attack_add_pid
Source: ELF static info symbol of initial sample	Name: attack_init
Source: ELF static info symbol of initial sample	Name: attack_ongoing
Source: ELF static info symbol of initial sample	Name: attack_parse
Source: ELF static info symbol of initial sample	Name: attack_remove_id
Source: ELF static info symbol of initial sample	Name: attack_start
Source: ELF static info symbol of initial sample	Name: attack_stop
Source: ELF static info symbol of initial sample	Name: attacks_ack
Source: ELF static info symbol of initial sample	Name: attacks_gre

Source: classification engine

Classification label: mal52.linELF@0/0@1/0

Source: na.elf	ELF static info symbol of initial sample: libc/string/mips/memcpy.S
Source: na.elf	ELF static info symbol of initial sample: libc/string/mips/memset.S
Source: na.elf	ELF static info symbol of initial sample: libc/sysdeps/linux/mips/crt1.S
Source: na.elf	ELF static info symbol of initial sample: libc/sysdeps/linux/mips/crti.S
Source: na.elf	ELF static info symbol of initial sample: libc/sysdeps/linux/mips/crtn.S
Source: na.elf	ELF static info symbol of initial sample: libc/sysdeps/linux/mips/pipe.S
Source: na.elf	ELF static info symbol of initial sample: libc/sysdeps/linux/mips/syscall_error.S

Persistence and Installation Behavior

Source: /usr/bin/dash (PID: 5539)	Rm executable: /usr/bin/rm -> rm -f /tmp/tmp.ZZlBmvzIUL /tmp/tmp.MxMrwp3ptI /tmp/tmp.FLGVJ0vhfV			Jump to behavior
Source: /usr/bin/dash (PID: 5548)	Rm executable: /usr/bin/rm -> rm -f /tmp/tmp.ZZlBmvzIUL /tmp/tmp.MxMrwp3ptI /tmp/tmp.FLGVJ0vhfV			Jump to behavior

Malware Analysis System Evasion

Source: /tmp/na.elf (PID: 5525)

Queries kernel information via 'uname':

Jump to behavior

Source: na.elf, 5525.1.00007ffe9631a000.00007ffe9633b000.rw-.sdmp	Binary or memory string: x86_64/usr/bin/qemu-mips/tmp/na.elfSUDO_USER=saturninoPATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/snap/binDISPLAY=:1.0XAUTHORITY=/run/user/1000/gdm/XauthoritySUDO_UID=1000TERM=xterm-256colorCOLORTERM=truecolorLOGNAME=rootUSER=rootLANG=en_US.UTF-8SUDO_COMMAND=/bin/bashHOME=/rootMAIL=/var/mail/rootSUDO_GID=1000SHELL=/bin/bash/tmp/na.elf
Source: na.elf, 5525.1.000056048b412000.000056048b499000.rw-.sdmp	Binary or memory string: V!/etc/qemu-binfmt/mips
Source: na.elf, 5525.1.000056048b412000.000056048b499000.rw-.sdmp	Binary or memory string: /etc/qemu-binfmt/mips
Source: na.elf, 5525.1.00007ffe9631a000.00007ffe9633b000.rw-.sdmp	Binary or memory string: /usr/bin/qemu-mips