Linux Analysis Report
skid.arm.elf

Overview

General Information

Sample name: skid.arm.elf
Analysis ID: 1427745
MD5: e7b4850c359b3f0f0533ee006d8f94db
SHA1: bfd586e31122c1502f02db0161bc849490c39737
SHA256: 9a1e3e788306a30291cab8bf763b78f65ab8c9fc728145ad65cde2ccd0e0c103
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: skid.arm.elf Virustotal: Detection: 8% Perma Link
Tries to connect to HTTP servers, but all servers are down (expired dropper behavior)
Source: global traffic TCP traffic: 192.168.2.23:43928 -> 91.189.91.42:443
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: 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: 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
Source: skid.arm.elf ELF static info symbol of initial sample: libc/sysdeps/linux/arm/crt1.S
Source: skid.arm.elf ELF static info symbol of initial sample: libc/sysdeps/linux/arm/crti.S
Source: skid.arm.elf ELF static info symbol of initial sample: libc/sysdeps/linux/arm/crtn.S
Uses the "uname" system call to query kernel version information (possible evasion)
Source: /tmp/skid.arm.elf (PID: 6240) Queries kernel information via 'uname': Jump to behavior
Source: skid.arm.elf, 6240.1.00007ffde6b1b000.00007ffde6b3c000.rw-.sdmp Binary or memory string: qemu: %s: %s
Source: skid.arm.elf, 6240.1.00007ffde6b1b000.00007ffde6b3c000.rw-.sdmp Binary or memory string: leqemu: %s: %s
Source: skid.arm.elf, 6240.1.0000555d3b697000.0000555d3b7c5000.rw-.sdmp Binary or memory string: pi;]Urg.qemu.gdb.arm.sys.regs">
Source: skid.arm.elf, 6240.1.0000555d3b697000.0000555d3b7c5000.rw-.sdmp Binary or memory string: /etc/qemu-binfmt/arm
Source: skid.arm.elf, 6240.1.00007ffde6b1b000.00007ffde6b3c000.rw-.sdmp Binary or memory string: /usr/bin/qemu-arm
Source: skid.arm.elf, 6240.1.00007ffde6b1b000.00007ffde6b3c000.rw-.sdmp Binary or memory string: x86_64/usr/bin/qemu-arm/tmp/skid.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/skid.arm.elf
Source: skid.arm.elf, 6240.1.0000555d3b697000.0000555d3b7c5000.rw-.sdmp Binary or memory string: j;]U!/etc/qemu-binfmt/arm
Source: skid.arm.elf, 6240.1.0000555d3b697000.0000555d3b7c5000.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
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