Linux Analysis Report
tftp.elf

Overview

General Information

Sample name: tftp.elf
Analysis ID: 1541079
MD5: e3e2ca66ab4a38a56aa764415ff38e5e
SHA1: fba3ad5e3dffb7fde1bd8cf3da7d59ccd96e60b7
SHA256: 829f76e09c6e3a92735fd324c0295e27cab04b8d4671d2eaa79c4579fe6b95c0
Tags: elfuser-abuse_ch
Infos:

Detection

Score: 48
Range: 0 - 100
Whitelisted: false

Signatures

Multi AV Scanner detection for submitted file
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: tftp.elf ReversingLabs: Detection: 21%
Tries to connect to HTTP servers, but all servers are down (expired dropper behavior)
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: global traffic TCP traffic: 192.168.2.23:43928 -> 91.189.91.42:443
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
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/tftp.elf (PID: 6254) Queries kernel information via 'uname': Jump to behavior
Source: tftp.elf, 6254.1.00005624701c3000.00005624702cf000.rw-.sdmp Binary or memory string: p$V!/etc/qemu-binfmt/arm
Source: tftp.elf, 6254.1.00007ffc5ef91000.00007ffc5efb2000.rw-.sdmp Binary or memory string: x86_64/usr/bin/qemu-arm/tmp/tftp.elfSUDO_USER=saturninoPATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/snap/binDISPLAY=:1.0XAUTHORITY=/run/user/1000/gdm/XauthoritySUDO_UID=1000TERM=xterm-256colorCOLORTERM=truecolorLOGNAME=rootUSER=rootLANG=en_US.UTF-8SUDO_COMMAND=/bin/bashHOME=/rootMAIL=/var/mail/rootSUDO_GID=1000SHELL=/bin/bash/tmp/tftp.elf
Source: tftp.elf, 6254.1.00005624701c3000.00005624702cf000.rw-.sdmp Binary or memory string: p$Vrg.qemu.gdb.arm.sys.regs">
Source: tftp.elf, 6254.1.00005624701c3000.00005624702cf000.rw-.sdmp Binary or memory string: /etc/qemu-binfmt/arm
Source: tftp.elf, 6254.1.00007ffc5ef91000.00007ffc5efb2000.rw-.sdmp Binary or memory string: /usr/bin/qemu-arm
Source: tftp.elf, 6254.1.00005624701c3000.00005624702cf000.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