Linux Analysis Report
main.elf

Overview

General Information

Sample name: main.elf
Analysis ID: 1655142
MD5: 34fcebc5e7b00b00375c0dac38094ab1
SHA1: ae2c37b37125168d4568b4680212483b63a26a73
SHA256: 1a386942a1b6a4def0fc2b3802dcf86338e2aa121047a2bf2f562c86eb06908e
Tags: elfuser-abuse_ch
Infos:

Detection

Score: 1
Range: 0 - 100

Signatures

Contains symbols related to standard C library sleeps (sometimes used to evade sandboxing)
Sample has stripped symbol table
Tries to connect to HTTP servers, but all servers are down (expired dropper behavior)

Classification

RansomwareSpreadingPhishingBankerTrojan / BotAdwareSpywareExploiterEvaderMinercleansuspiciousmalicious
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 TCP traffic detected without corresponding DNS query: 91.189.91.43
Source: main.elf ELF static info symbol of initial sample: freeaddrinfo
Source: main.elf ELF static info symbol of initial sample: gai_strerror
Source: main.elf ELF static info symbol of initial sample: getaddrinfo
Source: main.elf String found in binary or memory: http://nginx.com/
Source: main.elf String found in binary or memory: http://nginx.org/
Source: main.elf String found in binary or memory: https://github.com/rurreac/slider
Source: main.elf String found in binary or memory: https://go.dev/issue/66821):
Source: main.elf String found in binary or memory: https://go.dev/pkg/crypto/rsa#hdr-Minimum_key_size)b3312fa7e23ee7e4988e056be3f82d19181d9c6efe8141120
Source: unknown Network traffic detected: HTTP traffic on port 43928 -> 443
Source: unknown Network traffic detected: HTTP traffic on port 42836 -> 443
Source: ELF static info symbol of initial sample .symtab present: no
Source: classification engine Classification label: clean1.linELF@0/0@0/0
Source: ELF symbol in initial sample Symbol name: nanosleep
  • No. of IPs < 25%
  • 25% < No. of IPs < 50%
  • 50% < No. of IPs < 75%
  • 75% < No. of IPs