Linux Analysis Report
na.elf

ID:	1528792
Product:	CloudBasic
Start time:	10:58:05
Start date:	08.10.2024
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:	26197afb874c979079b2f8e83b608149
SHA1:	3611c1c6c1871993bd820debea926ca72bd5ec36
SHA256:	a5ae954ee99df4650fef49580dfc565973c69abdcc4739b3ad08fd95d5356454
Filetype:	ELF Executable and Linkable format (generic) (4004/1) 100.00%

Name	Type	MD5	SHA1	SHA256

AV Detection

Source: na.elf

ReversingLabs: Detection: 15%

Spreading

Source: na.elf

String: /proc//exewgetashinitcurltftp/fdsocketproc/usr/bin/usr/sbin/system/mnt/mtd/app/org/z/zbin/home/app/dvr/bin/duksan/userfs/mnt/app/usr/etc/dvr/main/usr/local/var/bin/tmp/sqfs/z/bin/dvr/mnt/mtd/zconf/gm/bin/home/process/var/challenge/usr/lib/lib/systemd//usr/lib/systemd/system/system/bin//mnt//home/helper/home/davinci/usr/libexec//sbin//bin/

Networking

Source: global traffic	TCP traffic: 154.90.62.142 ports 2,3,4,8,9,38429
Source: global traffic	TCP traffic: 154.223.21.228 ports 1,2,5,6,7,27651,42061
Source: global traffic	TCP traffic: 38.60.249.66 ports 7193,2,3,6,7,8,32876

Source: global traffic	DNS traffic detected: malformed DNS query: subcarrace.indy. [malformed]
Source: global traffic	DNS traffic detected: malformed DNS query: eighteen.pirate. [malformed]
Source: global traffic	DNS traffic detected: malformed DNS query: krddnsnet.dyn. [malformed]

Source: global traffic	TCP traffic: 192.168.2.15:50026 -> 154.223.21.228:27651
Source: global traffic	TCP traffic: 192.168.2.15:37776 -> 38.60.249.66:32876
Source: global traffic	TCP traffic: 192.168.2.15:38526 -> 154.90.62.142:38429

Source: /tmp/na.elf (PID: 5539)

Socket: 127.0.0.1:1234

Jump to behavior

Source: unknown	UDP traffic detected without corresponding DNS query: 54.36.111.116
Source: unknown	UDP traffic detected without corresponding DNS query: 116.203.104.203
Source: unknown	UDP traffic detected without corresponding DNS query: 162.243.19.47
Source: unknown	UDP traffic detected without corresponding DNS query: 161.97.219.84
Source: unknown	UDP traffic detected without corresponding DNS query: 116.203.104.203
Source: unknown	UDP traffic detected without corresponding DNS query: 130.61.69.123
Source: unknown	UDP traffic detected without corresponding DNS query: 116.203.104.203
Source: unknown	UDP traffic detected without corresponding DNS query: 130.61.69.123
Source: unknown	UDP traffic detected without corresponding DNS query: 161.97.219.84
Source: unknown	UDP traffic detected without corresponding DNS query: 130.61.69.123
Source: unknown	UDP traffic detected without corresponding DNS query: 161.97.219.84
Source: unknown	UDP traffic detected without corresponding DNS query: 130.61.64.122
Source: unknown	UDP traffic detected without corresponding DNS query: 63.231.92.27
Source: unknown	UDP traffic detected without corresponding DNS query: 130.61.69.123
Source: unknown	UDP traffic detected without corresponding DNS query: 130.61.69.123
Source: unknown	UDP traffic detected without corresponding DNS query: 130.61.69.123
Source: unknown	UDP traffic detected without corresponding DNS query: 116.203.104.203

Source: global traffic	DNS traffic detected: DNS query: kr3ddnsnet1.indy
Source: global traffic	DNS traffic detected: DNS query: subcarrace.indy. [malformed]
Source: global traffic	DNS traffic detected: DNS query: subcarrace.indy
Source: global traffic	DNS traffic detected: DNS query: eighteen.pirate. [malformed]
Source: global traffic	DNS traffic detected: DNS query: krddnsnet.dyn. [malformed]
Source: global traffic	DNS traffic detected: DNS query: nineteen.libre
Source: global traffic	DNS traffic detected: DNS query: fortyfivehundred.dyn
Source: global traffic	DNS traffic detected: DNS query: daisy.ubuntu.com

System Summary

Source: ELF static info symbol of initial sample

.symtab present: no

Source: classification engine

Classification label: mal56.troj.linELF@0/0@11/0

Persistence and Installation Behavior

Source: /tmp/na.elf (PID: 5539)	File opened: /proc/11/maps			Jump to behavior
Source: /tmp/na.elf (PID: 5539)	File opened: /proc/22/maps			Jump to behavior
Source: /tmp/na.elf (PID: 5539)	File opened: /proc/55/maps			Jump to behavior
Source: /tmp/na.elf (PID: 5539)	File opened: /proc/66/maps			Jump to behavior
Source: /tmp/na.elf (PID: 5539)	File opened: /proc/88/maps			Jump to behavior
Source: /tmp/na.elf (PID: 5539)	File opened: /proc/99/maps			Jump to behavior
Source: /tmp/na.elf (PID: 5539)	File opened: /proc/111/maps			Jump to behavior
Source: /tmp/na.elf (PID: 5539)	File opened: /proc/222/maps			Jump to behavior
Source: /tmp/na.elf (PID: 5539)	File opened: /proc/333/maps			Jump to behavior
Source: /tmp/na.elf (PID: 5539)	File opened: /proc/777/maps			Jump to behavior

Malware Analysis System Evasion

Source: /tmp/na.elf (PID: 5539)

Queries kernel information via 'uname':

Jump to behavior

Source: na.elf, 5539.1.00007fff15102000.00007fff15123000.rw-.sdmp	Binary or memory string: x86_64/usr/bin/qemu-arm/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, 5539.1.000055db2a36b000.000055db2a4b9000.rw-.sdmp	Binary or memory string: U!/etc/qemu-binfmt/arm
Source: na.elf, 5539.1.000055db2a36b000.000055db2a4b9000.rw-.sdmp	Binary or memory string: /etc/qemu-binfmt/arm
Source: na.elf, 5539.1.00007fff15102000.00007fff15123000.rw-.sdmp	Binary or memory string: /usr/bin/qemu-arm