Linux Analysis Report
arm6-20240504-1301.elf

Overview

General Information

Sample name: arm6-20240504-1301.elf
Analysis ID: 1436351
MD5: 52189258e7b4e90d05f6fc02cb13053a
SHA1: 9803b9be03e639eb0d96a1febff166cdd181f557
SHA256: ed4ce229c6e4ca1f263bfa282f4338fcaeb837695d5ddc4dd604cc0ec7fb46a8
Infos:

Detection

Score: 21
Range: 0 - 100
Whitelisted: false

Signatures

Sample is packed with UPX
ELF contains segments with high entropy indicating compressed/encrypted content
Sample contains only a LOAD segment without any section mappings
Uses the "uname" system call to query kernel version information (possible evasion)

Classification

Source: unknown UDP traffic detected without corresponding DNS query: 1.1.1.1
Source: unknown UDP traffic detected without corresponding DNS query: 1.1.1.1
Source: global traffic DNS traffic detected: DNS query: daisy.ubuntu.com
Source: arm6-20240504-1301.elf String found in binary or memory: http://upx.sf.net
Source: LOAD without section mappings Program segment: 0x8000
Source: classification engine Classification label: sus21.evad.linELF@0/0@2/0

Data Obfuscation

barindex
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 3.94 Copyright (C) 1996-2017 the UPX Team. All Rights Reserved. $
Source: arm6-20240504-1301.elf Submission file: segment LOAD with 7.7319 entropy (max. 8.0)
Source: /tmp/arm6-20240504-1301.elf (PID: 5522) Queries kernel information via 'uname': Jump to behavior
Source: arm6-20240504-1301.elf, 5522.1.00007fff898ef000.00007fff89910000.rw-.sdmp Binary or memory string: }x86_64/usr/bin/qemu-arm/tmp/arm6-20240504-1301.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/arm6-20240504-1301.elf
Source: arm6-20240504-1301.elf, 5522.1.00005610f98c4000.00005610f9ab2000.rw-.sdmp Binary or memory string: /etc/qemu-binfmt/arm
Source: arm6-20240504-1301.elf, 5522.1.00005610f98c4000.00005610f9ab2000.rw-.sdmp Binary or memory string: V!/etc/qemu-binfmt/arm
Source: arm6-20240504-1301.elf, 5522.1.00007fff898ef000.00007fff89910000.rw-.sdmp Binary or memory string: /usr/bin/qemu-arm
Source: arm6-20240504-1301.elf, 5522.1.00007fff898ef000.00007fff89910000.rw-.sdmp Binary or memory string: qemu: uncaught target signal 11 (Segmentation fault) - core dumped
No contacted IP infos