Linux Analysis Report
na.elf

Overview

General Information

Sample name: na.elf
Analysis ID: 1527372
MD5: cb1b3fedf4e16b8f0c24ca82d53d57a6
SHA1: afa6eb368b79b06de4bb47eb203e2769eaf929ea
SHA256: a9548407fd30076f9899d76de7de71d40ef3ae8713875b882fd912b14fd874a2
Tags: elfTheMoonuser-abuse_ch
Infos:

Detection

Score: 56
Range: 0 - 100
Whitelisted: false

Signatures

Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
ELF contains segments with high entropy indicating compressed/encrypted content
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
Antivirus / Scanner detection for submitted sample
Source: na.elf Avira: detected
Multi AV Scanner detection for submitted file
Source: na.elf ReversingLabs: Detection: 44%
Tries to connect to HTTP servers, but all servers are down (expired dropper behavior)
Source: global traffic TCP traffic: 192.168.2.14:46540 -> 185.125.190.26:443
Source: unknown TCP traffic detected without corresponding DNS query: 185.125.190.26
Source: unknown TCP traffic detected without corresponding DNS query: 185.125.190.26
Source: unknown Network traffic detected: HTTP traffic on port 46540 -> 443
Sample has stripped symbol table
Source: ELF static info symbol of initial sample .symtab present: no
Source: classification engine Classification label: mal56.linELF@0/0@0/0
ELF contains segments with high entropy indicating compressed/encrypted content
Source: na.elf Submission file: segment LOAD with 7.9465 entropy (max. 8.0)
Uses the "uname" system call to query kernel version information (possible evasion)
Source: /tmp/na.elf (PID: 5511) Queries kernel information via 'uname': Jump to behavior
Source: na.elf, 5511.1.000055eef073d000.000055eef086b000.rw-.sdmp Binary or memory string: U!/etc/qemu-binfmt/arm
Source: na.elf, 5511.1.00007fff1ecc5000.00007fff1ece6000.rw-.sdmp Binary or memory string: qemu: %s: %s
Source: na.elf, 5511.1.00007fff1ecc5000.00007fff1ece6000.rw-.sdmp Binary or memory string: leqemu: %s: %s
Source: na.elf, 5511.1.000055eef073d000.000055eef086b000.rw-.sdmp Binary or memory string: Urg.qemu.gdb.arm.sys.regs">
Source: na.elf, 5511.1.000055eef073d000.000055eef086b000.rw-.sdmp Binary or memory string: /etc/qemu-binfmt/arm
Source: na.elf, 5511.1.00007fff1ecc5000.00007fff1ece6000.rw-.sdmp Binary or memory string: 3x86_64/usr/bin/qemu-arm/tmp/na.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/na.elf
Source: na.elf, 5511.1.00007fff1ecc5000.00007fff1ece6000.rw-.sdmp Binary or memory string: /usr/bin/qemu-arm
Source: na.elf, 5511.1.000055eef073d000.000055eef086b000.rw-.sdmp Binary or memory string: rg.qemu.gdb.arm.sys.regs">
windows-stand
  • 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
185.125.190.26
 unknown United Kingdom
41231 CANONICAL-ASGB false