Linux Analysis Report
arm.elf

Overview

General Information

Sample name: arm.elf
Analysis ID: 1541685
MD5: ec869a125d00ee57bfc7767c0a51fddf
SHA1: 7e8d0f337fce03ca868641c6bd7e63d15553276d
SHA256: b6eb5b4e461cddae47439b32ce4e13b84abe0c1b8adf87d32221db00ff2924a7
Tags: elfuser-abuse_ch
Infos:

Detection

Score: 48
Range: 0 - 100
Whitelisted: false

Signatures

Multi AV Scanner detection for submitted file
Executes the "rm" command used to delete files or directories
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: arm.elf ReversingLabs: Detection: 13%
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: 54.171.230.55
Source: unknown TCP traffic detected without corresponding DNS query: 54.171.230.55
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 443 -> 33606
Source: unknown Network traffic detected: HTTP traffic on port 43928 -> 443
Source: unknown Network traffic detected: HTTP traffic on port 33606 -> 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
Executes the "rm" command used to delete files or directories
Source: /usr/bin/dash (PID: 6270) Rm executable: /usr/bin/rm -> rm -f /tmp/tmp.guAAbcHO6N /tmp/tmp.A0Y4Rkcdj4 /tmp/tmp.ryPMB3Bbgr Jump to behavior
Source: /usr/bin/dash (PID: 6271) Rm executable: /usr/bin/rm -> rm -f /tmp/tmp.guAAbcHO6N /tmp/tmp.A0Y4Rkcdj4 /tmp/tmp.ryPMB3Bbgr Jump to behavior
Uses the "uname" system call to query kernel version information (possible evasion)
Source: /tmp/arm.elf (PID: 6232) Queries kernel information via 'uname': Jump to behavior
Source: arm.elf, 6232.1.0000562274b0b000.0000562274c39000.rw-.sdmp Binary or memory string: t"V!/etc/qemu-binfmt/arm
Source: arm.elf, 6232.1.00007fffc432b000.00007fffc434c000.rw-.sdmp Binary or memory string: x86_64/usr/bin/qemu-arm/tmp/arm.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/arm.elf
Source: arm.elf, 6232.1.0000562274b0b000.0000562274c39000.rw-.sdmp Binary or memory string: /etc/qemu-binfmt/arm
Source: arm.elf, 6232.1.00007fffc432b000.00007fffc434c000.rw-.sdmp Binary or memory string: /usr/bin/qemu-arm

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
54.171.230.55
 unknown United States
16509 AMAZON-02US 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