Linux Analysis Report
linux_arm5.elf

Overview

General Information

Sample name: linux_arm5.elf
Analysis ID: 1561394
MD5: 8af3cc1e6b13a2475c4506589f51bc86
SHA1: 14bccb20a5ee194edd89bb1e6a4c3e8870766cd6
SHA256: a2727796c71eea796ecb3ab2fed19d29aa2b7a2208d7ce31d3d51f4762ad970a
Tags: elfuser-abuse_ch
Infos:

Detection

Score: 48
Range: 0 - 100
Whitelisted: false

Signatures

Multi AV Scanner detection for submitted file
Sample has stripped symbol table
Tries to connect to HTTP servers, but all servers are down (expired dropper behavior)
Uses the "uname" system call to query kernel version information (possible evasion)

Classification

AV Detection
barindex
Multi AV Scanner detection for submitted file
Source: linux_arm5.elf ReversingLabs: Detection: 15%
Tries to connect to HTTP servers, but all servers are down (expired dropper behavior)
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 TCP traffic detected without corresponding DNS query: 91.189.91.43
Source: unknown Network traffic detected: HTTP traffic on port 43928 -> 443
Source: unknown Network traffic detected: HTTP traffic on port 42836 -> 443
Sample has stripped symbol table
Source: ELF static info symbol of initial sample .symtab present: no
Source: classification engine Classification label: mal48.linELF@0/0@0/0
Uses the "uname" system call to query kernel version information (possible evasion)
Source: /tmp/linux_arm5.elf (PID: 6217) Queries kernel information via 'uname': Jump to behavior
Source: linux_arm5.elf, 6217.1.00005607d2c10000.00005607d2d3e000.rw-.sdmp Binary or memory string: Vrg.qemu.gdb.arm.sys.regs">
Source: linux_arm5.elf, 6217.1.00005607d2c10000.00005607d2d3e000.rw-.sdmp Binary or memory string: /etc/qemu-binfmt/arm
Source: linux_arm5.elf, 6217.1.00005607d2c10000.00005607d2d3e000.rw-.sdmp Binary or memory string: V!/etc/qemu-binfmt/arm
Source: linux_arm5.elf, 6217.1.00007ffc7e53a000.00007ffc7e55b000.rw-.sdmp Binary or memory string: /usr/bin/qemu-arm
Source: linux_arm5.elf, 6217.1.00005607d2c10000.00005607d2d3e000.rw-.sdmp Binary or memory string: rg.qemu.gdb.arm.sys.regs">
Source: linux_arm5.elf, 6217.1.00007ffc7e53a000.00007ffc7e55b000.rw-.sdmp Binary or memory string: x86_64/usr/bin/qemu-arm/tmp/linux_arm5.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/linux_arm5.elf

No Screenshots

  • No. of IPs < 25%
  • 25% < No. of IPs < 50%
  • 50% < No. of IPs < 75%
  • 75% < No. of IPs

Contacted Public IPs

IP Domain Country Flag ASN ASN Name Malicious
109.202.202.202
 unknown Switzerland
13030 INIT7CH false
91.189.91.43
 unknown United Kingdom
41231 CANONICAL-ASGB false
91.189.91.42
 unknown United Kingdom
41231 CANONICAL-ASGB false