Linux Analysis Report
tftp.elf

ID:	1538184
Product:	CloudBasic
Start time:	19:01:06
Start date:	20.10.2024
Sample:	tftp.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:	e8e4c6b642a89f98e09e7b60aca9886d
SHA1:	4e6ce45ea8be25b9a86386230248bc447a86625d
SHA256:	16f3554ee5de355928cebe1bcde0a6121237f878ff798c761e80fd5f2e2f0c39
Filetype:	ELF Executable and Linkable format (generic) (4004/1) 100.00%

Name	Type	MD5	SHA1	SHA256

AV Detection

Source: tftp.elf

ReversingLabs: Detection: 15%

Networking

Source: global traffic	TCP traffic: 192.168.2.23:43928 -> 91.189.91.42:443
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: 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: 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	Network traffic detected: HTTP traffic on port 43928 -> 443
Source: unknown	Network traffic detected: HTTP traffic on port 42836 -> 443

System Summary

Source: classification engine

Classification label: mal48.linELF@0/0@0/0

Malware Analysis System Evasion

Source: /tmp/tftp.elf (PID: 6235)

Queries kernel information via 'uname':

Jump to behavior

Source: tftp.elf, 6235.1.00005642ed1ad000.00005642ed2b9000.rw-.sdmp	Binary or memory string: BVrg.qemu.gdb.arm.sys.regs">
Source: tftp.elf, 6235.1.00007fff0e832000.00007fff0e853000.rw-.sdmp	Binary or memory string: x86_64/usr/bin/qemu-arm/tmp/tftp.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/tftp.elf
Source: tftp.elf, 6235.1.00005642ed1ad000.00005642ed2b9000.rw-.sdmp	Binary or memory string: /etc/qemu-binfmt/arm
Source: tftp.elf, 6235.1.00007fff0e832000.00007fff0e853000.rw-.sdmp	Binary or memory string: /usr/bin/qemu-arm
Source: tftp.elf, 6235.1.00005642ed1ad000.00005642ed2b9000.rw-.sdmp	Binary or memory string: BV!/etc/qemu-binfmt/arm
Source: tftp.elf, 6235.1.00005642ed1ad000.00005642ed2b9000.rw-.sdmp	Binary or memory string: rg.qemu.gdb.arm.sys.regs">