Linux Analysis Report
na.elf

ID:	1532543
Product:	CloudBasic
Start time:	16:11:11
Start date:	13.10.2024
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:	e83445627e74888ea1849bbb54660c47
SHA1:	224b7843f35c4337d2236e6e33733372b041978c
SHA256:	45b6b99192b5b49a391de4d4f23070abba00f6b8b96c32b16436982ec472662c
Filetype:	ELF Executable and Linkable format (generic) (4004/1) 100.00%

Name	Type	MD5	SHA1	SHA256

Networking

Source: na.elf	String found in binary or memory: http://www.openssl.org/support/faq.html
Source: na.elf	String found in binary or memory: http://www.openssl.org/support/faq.htmlmd_rand.c

System Summary

Source: Initial sample	Potential command found: ssh server is locked, please try again %dmin after !!!
Source: Initial sample	Potential command found: X11 forwarding
Source: Initial sample	Potential command found: X11 forwarding disabled in user configuration file.
Source: Initial sample	Potential command found: X11 forwarding disabled in server configuration file.
Source: Initial sample	Potential command found: X11 display already set.
Source: Initial sample	Potential command found: X11 connection requested.
Source: Initial sample	Potential command found: X11 connection from %.200s port %d
Source: Initial sample	Potential command found: X11 connection rejected because of wrong authentication.
Source: Initial sample	Potential command found: X11 rejected %d i%d/o%d
Source: Initial sample	Potential command found: X11 closed %d i%d/o%d
Source: Initial sample	Potential command found: X11 inet listener
Source: Initial sample	Potential command found: X11 connection uses different authentication protocol.
Source: Initial sample	Potential command found: X11 auth data does not match fake data.
Source: Initial sample	Potential command found: X11 fake_data_len %d != saved_data_len %d

Source: classification engine

Classification label: clean1.linELF@0/0@0/0

Malware Analysis System Evasion

Source: /tmp/na.elf (PID: 5526)

Queries kernel information via 'uname':

Jump to behavior

Source: na.elf, 5526.1.0000562b4fa48000.0000562b4fb76000.rw-.sdmp	Binary or memory string: O+V!/etc/qemu-binfmt/arm
Source: na.elf, 5526.1.00007ffc2f31b000.00007ffc2f33c000.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, 5526.1.0000562b4fa48000.0000562b4fb76000.rw-.sdmp	Binary or memory string: O+Vrg.qemu.gdb.arm.sys.regs">
Source: na.elf, 5526.1.00007ffc2f31b000.00007ffc2f33c000.rw-.sdmp	Binary or memory string: qemu: %s: %s
Source: na.elf, 5526.1.00007ffc2f31b000.00007ffc2f33c000.rw-.sdmp	Binary or memory string: leqemu: %s: %s
Source: na.elf, 5526.1.0000562b4fa48000.0000562b4fb76000.rw-.sdmp	Binary or memory string: /etc/qemu-binfmt/arm
Source: na.elf, 5526.1.00007ffc2f31b000.00007ffc2f33c000.rw-.sdmp	Binary or memory string: /usr/bin/qemu-arm
Source: na.elf, 5526.1.0000562b4fa48000.0000562b4fb76000.rw-.sdmp	Binary or memory string: rg.qemu.gdb.arm.sys.regs">