Linux Analysis Report
b2J6hgvd51.elf

Overview

General Information

Sample name: b2J6hgvd51.elf
renamed because original name is a hash value
Original sample name: 457222713d4a8277493c0747bdce9451.elf
Analysis ID: 1467806
MD5: 457222713d4a8277493c0747bdce9451
SHA1: b0ae943216cc9ab58e822d07e371c7fef387d828
SHA256: 4d66e4c34a1704c72480c6b76588e98fafc4c768069206a7fd1ad0eeb0b5af7e
Tags: 32elfmipsmirai
Infos:

Detection

Score: 48
Range: 0 - 100
Whitelisted: false

Signatures

Multi AV Scanner detection for submitted file
Creates hidden files and/or directories
Creates hidden files without content (potentially used as a mutex)
Executes the "rm" command used to delete files or directories
HTTP GET or POST without a user agent
Sample has stripped symbol table
Uses the "uname" system call to query kernel version information (possible evasion)

Classification

AV Detection
barindex
Multi AV Scanner detection for submitted file
Source: b2J6hgvd51.elf ReversingLabs: Detection: 34%
HTTP GET or POST without a user agent
Source: global traffic HTTP traffic detected: GET /shindemips HTTP/1.0Data Raw: 00 00 00 00 46 4f Data Ascii: FO
Source: unknown TCP traffic detected without corresponding DNS query: 45.128.232.191
Source: unknown TCP traffic detected without corresponding DNS query: 45.128.232.191
Source: unknown TCP traffic detected without corresponding DNS query: 45.128.232.191
Source: unknown TCP traffic detected without corresponding DNS query: 91.189.91.42
Source: unknown TCP traffic detected without corresponding DNS query: 45.128.232.191
Source: unknown TCP traffic detected without corresponding DNS query: 45.128.232.191
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: global traffic HTTP traffic detected: GET /shindemips HTTP/1.0Data Raw: 00 00 00 00 46 4f Data Ascii: FO
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
Creates hidden files and/or directories
Source: /tmp/b2J6hgvd51.elf (PID: 6215) File: /tmp/.06 Jump to behavior
Creates hidden files without content (potentially used as a mutex)
Source: /tmp/b2J6hgvd51.elf (PID: 6215) Empty hidden file: /tmp/.06 Jump to behavior
Executes the "rm" command used to delete files or directories
Source: /usr/bin/dash (PID: 6196) Rm executable: /usr/bin/rm -> rm -f /tmp/tmp.Co6xdv7aMj /tmp/tmp.TVZNp3OeR1 /tmp/tmp.T14iEYSQI3 Jump to behavior
Source: /usr/bin/dash (PID: 6197) Rm executable: /usr/bin/rm -> rm -f /tmp/tmp.Co6xdv7aMj /tmp/tmp.TVZNp3OeR1 /tmp/tmp.T14iEYSQI3 Jump to behavior
Uses the "uname" system call to query kernel version information (possible evasion)
Source: /tmp/b2J6hgvd51.elf (PID: 6215) Queries kernel information via 'uname': Jump to behavior
Source: b2J6hgvd51.elf, 6215.1.000055be50e14000.000055be50e9b000.rw-.sdmp Binary or memory string: U!/etc/qemu-binfmt/mips
Source: b2J6hgvd51.elf, 6215.1.00007fffae3ed000.00007fffae40e000.rw-.sdmp Binary or memory string: x86_64/usr/bin/qemu-mips/tmp/b2J6hgvd51.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/b2J6hgvd51.elf
Source: b2J6hgvd51.elf, 6215.1.000055be50e14000.000055be50e9b000.rw-.sdmp Binary or memory string: /etc/qemu-binfmt/mips
Source: b2J6hgvd51.elf, 6215.1.00007fffae3ed000.00007fffae40e000.rw-.sdmp Binary or memory string: /usr/bin/qemu-mips

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
45.128.232.191
 unknown United Kingdom
208861 RACKTECHRU false
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