Linux Analysis Report
dlr.arm5.elf

Overview

General Information

Sample name: dlr.arm5.elf
Analysis ID: 1560050
MD5: 4b8e1e4e598f937652692dafb51d9ff3
SHA1: 497f43335693b0c490f15cd226a17cffbe4aa72a
SHA256: 871d86020c8a62da41ea1e5613bfde7a2d319563333c3e71d6ba32bbf4b643be
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: dlr.arm5.elf ReversingLabs: Detection: 44%
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 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/dlr.arm5.elf (PID: 6232) Queries kernel information via 'uname': Jump to behavior
Source: dlr.arm5.elf, 6232.1.000055868d19e000.000055868d2aa000.rw-.sdmp Binary or memory string: U!/etc/qemu-binfmt/arm
Source: dlr.arm5.elf, 6232.1.00007fff17b5c000.00007fff17b7d000.rw-.sdmp Binary or memory string: _x86_64/usr/bin/qemu-arm/tmp/dlr.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/dlr.arm5.elf
Source: dlr.arm5.elf, 6232.1.000055868d19e000.000055868d2aa000.rw-.sdmp Binary or memory string: Urg.qemu.gdb.arm.sys.regs">
Source: dlr.arm5.elf, 6232.1.000055868d19e000.000055868d2aa000.rw-.sdmp Binary or memory string: /etc/qemu-binfmt/arm
Source: dlr.arm5.elf, 6232.1.00007fff17b5c000.00007fff17b7d000.rw-.sdmp Binary or memory string: /usr/bin/qemu-arm
Source: dlr.arm5.elf, 6232.1.000055868d19e000.000055868d2aa000.rw-.sdmp Binary or memory string: rg.qemu.gdb.arm.sys.regs">

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