Linux Analysis Report
.i.elf

ID:	1542976
Product:	CloudBasic
Start time:	02:22:06
Start date:	27.10.2024
Sample:	.i.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:	534eeb3d381eed654e9670ad363805ea
SHA1:	b13139278551985318f69a55aeba8a7fe559165e
SHA256:	dc6a50c49bf7620593656bd8d3866566bd6410f663fed6f082848e18974621fa
Filetype:	ELF Executable and Linkable format (generic) (4004/1) 100.00%

Name	Type	MD5	SHA1	SHA256

AV Detection

Source: .i.elf	Virustotal: Detection: 32%			Perma Link
Source: .i.elf	ReversingLabs: Detection: 28%

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: LOAD without section mappings

Program segment: 0x100000

Source: classification engine

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

Persistence and Installation Behavior

Source: /usr/bin/dash (PID: 6216)	Rm executable: /usr/bin/rm -> rm -f /tmp/tmp.3OVjAdqooj /tmp/tmp.XKVC8J1skC /tmp/tmp.y0Xee5IprZ			Jump to behavior
Source: /usr/bin/dash (PID: 6225)	Rm executable: /usr/bin/rm -> rm -f /tmp/tmp.3OVjAdqooj /tmp/tmp.XKVC8J1skC /tmp/tmp.y0Xee5IprZ			Jump to behavior

Hooking and other Techniques for Hiding and Protection

Source: .i.elf

Submission file: segment LOAD with 7.9963 entropy (max. 8.0)

Malware Analysis System Evasion

Source: /tmp/.i.elf (PID: 6234)

Queries kernel information via 'uname':

Jump to behavior

Source: .i.elf, 6234.1.00005643f07c1000.00005643f0848000.rw-.sdmp	Binary or memory string: CV!/etc/qemu-binfmt/mipsel
Source: .i.elf, 6234.1.00005643f07c1000.00005643f0848000.rw-.sdmp	Binary or memory string: /etc/qemu-binfmt/mipsel
Source: .i.elf, 6234.1.00007ffd0eece000.00007ffd0eeef000.rw-.sdmp	Binary or memory string: x86_64/usr/bin/qemu-mipsel/tmp/.i.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/.i.elf
Source: .i.elf, 6234.1.00007ffd0eece000.00007ffd0eeef000.rw-.sdmp	Binary or memory string: qemu: uncaught target signal 11 (Segmentation fault) - core dumped
Source: .i.elf, 6234.1.00007ffd0eece000.00007ffd0eeef000.rw-.sdmp	Binary or memory string: /usr/bin/qemu-mipsel