Linux Analysis Report
na.elf

ID:	1533408
Product:	CloudBasic
Start time:	17:29:12
Start date:	14.10.2024
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:	b9a0278d4290ade7806e250193e426b2
SHA1:	f91d8da8e70472abf586dd8e39f56d06352ff6c7
SHA256:	74d809491ea023ac9fd3192d5102d63c495bf0b416bdabfae6917c810b61ca3d
Filetype:	ELF Executable and Linkable format (Linux) (4029/14) 50.16%

Name	Type	MD5	SHA1	SHA256

AV Detection

Source: na.elf

Avira: detected

Source: na.elf

ReversingLabs: Detection: 70%

Networking

Source: global traffic	TCP traffic: 192.168.2.23:42836 -> 91.189.91.43:443
Source: global traffic	TCP traffic: 192.168.2.23:42516 -> 109.202.202.202:80
Source: global traffic	TCP traffic: 192.168.2.23:43928 -> 91.189.91.42:443

Source: unknown	TCP traffic detected without corresponding DNS query: 91.189.91.43
Source: unknown	TCP traffic detected without corresponding DNS query: 109.202.202.202
Source: unknown	TCP traffic detected without corresponding DNS query: 91.189.91.42
Source: unknown	TCP traffic detected without corresponding DNS query: 91.189.91.43
Source: unknown	TCP traffic detected without corresponding DNS query: 109.202.202.202
Source: unknown	TCP traffic detected without corresponding DNS query: 91.189.91.42
Source: unknown	TCP traffic detected without corresponding DNS query: 91.189.91.43

Source: na.elf

String found in binary or memory: http://upx.sf.net

Source: unknown	Network traffic detected: HTTP traffic on port 43928 -> 443
Source: unknown	Network traffic detected: HTTP traffic on port 42836 -> 443

System Summary

Source: LOAD without section mappings

Program segment: 0x10000000

Source: classification engine

Classification label: mal60.evad.linELF@0/0@0/0

Data Obfuscation

Source: initial sample	String containing UPX found: $Info: This file is packed with the UPX executable packer http://upx.sf.net $
Source: initial sample	String containing UPX found: $Info: This file is packed with the UPX executable packer http://upx.sf.net $
Source: initial sample	String containing UPX found: $Id: UPX 3.95 Copyright (C) 1996-2018 the UPX Team. All Rights Reserved. $

Hooking and other Techniques for Hiding and Protection

Source: na.elf

Submission file: segment LOAD with 7.9502 entropy (max. 8.0)

Malware Analysis System Evasion

Source: /tmp/na.elf (PID: 6232)

Queries kernel information via 'uname':

Jump to behavior

Source: na.elf, 6232.1.000055d5a964b000.000055d5a96da000.rw-.sdmp	Binary or memory string: !/etc/qemu-binfmt/ppc11!hotpluggableq
Source: na.elf, 6232.1.00007fff68f2b000.00007fff68f4c000.rw-.sdmp	Binary or memory string: x86_64/usr/bin/qemu-ppc/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, 6232.1.000055d5a964b000.000055d5a96da000.rw-.sdmp	Binary or memory string: /etc/qemu-binfmt/ppc
Source: na.elf, 6232.1.00007fff68f2b000.00007fff68f4c000.rw-.sdmp	Binary or memory string: /usr/bin/qemu-ppc