Linux Analysis Report
8awpc7GpMh.elf

Overview

General Information

Sample name: 8awpc7GpMh.elf
renamed because original name is a hash value
Original sample name: d2f4649a29914aef2505a171786dcd36.elf
Analysis ID: 1430436
MD5: d2f4649a29914aef2505a171786dcd36
SHA1: 808005bd1c9bfd18ff6eb930672273adb1509de4
SHA256: 159497c764b01330a7b101f88480d261ed9447639e54fc0fa0c7837ec1cd122b
Tags: 32armelfmirai
Infos:

Detection

Score: 64
Range: 0 - 100
Whitelisted: false

Signatures

Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Queries the IP of a very long domain name
Sample deletes itself
Creates hidden files and/or directories
Detected TCP or UDP traffic on non-standard ports
Enumerates processes within the "proc" file system
Found strings indicative of a multi-platform dropper
Sample has stripped symbol table
Sample tries to kill a process (SIGKILL)
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: 8awpc7GpMh.elf Avira: detected
Multi AV Scanner detection for submitted file
Source: 8awpc7GpMh.elf ReversingLabs: Detection: 39%
Found strings indicative of a multi-platform dropper
Source: 8awpc7GpMh.elf String: EOF/proc//proc/%s/cmdlinerwgetcurlftpechokillbashrebootshutdownhaltpoweroff[locker] killed process: %s ;; pid: %d

Networking
barindex
Queries the IP of a very long domain name
Source: unknown DNS traffic detected: query: cnc.voidnet.click.''f466PV,PV!E(:Y5W+C%''fh5NNPV!PV,E@
Source: unknown DNS traffic detected: query: cnc.voidnet.click.''f<66PV,PV!E(nj5?H[%''fNNPV!PV,E@
Source: unknown DNS traffic detected: query: cnc.voidnet.click.''fhi66PV,PV!E(Pj,52$h%''fiNNPV!PV,E@
Source: unknown DNS traffic detected: query: cnc.voidnet.click.''f66PV,PV!E(9(w5#Fw%''fNNPV!PV,E@
Source: unknown DNS traffic detected: query: cnc.voidnet.click.''fT66PV,PV!E(*jR5W%''fmJJPV!PV,E<
Detected TCP or UDP traffic on non-standard ports
Source: global traffic TCP traffic: 192.168.2.23:39626 -> 94.156.79.77:33966
Source: global traffic TCP traffic: 192.168.2.23:50032 -> 89.190.156.145:7733
Tries to connect to HTTP servers, but all servers are down (expired dropper behavior)
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: global traffic TCP traffic: 192.168.2.23:42836 -> 91.189.91.43:443
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: 89.190.156.145
Source: unknown TCP traffic detected without corresponding DNS query: 89.190.156.145
Source: unknown TCP traffic detected without corresponding DNS query: 89.190.156.145
Source: unknown TCP traffic detected without corresponding DNS query: 91.189.91.43
Source: unknown TCP traffic detected without corresponding DNS query: 89.190.156.145
Source: unknown TCP traffic detected without corresponding DNS query: 89.190.156.145
Source: unknown TCP traffic detected without corresponding DNS query: 91.189.91.42
Source: unknown TCP traffic detected without corresponding DNS query: 109.202.202.202
Source: unknown TCP traffic detected without corresponding DNS query: 91.189.91.43
Source: unknown TCP traffic detected without corresponding DNS query: 89.190.156.145
Source: unknown TCP traffic detected without corresponding DNS query: 91.189.91.42
Source: unknown TCP traffic detected without corresponding DNS query: 89.190.156.145
Source: unknown DNS traffic detected: queries for: cnc.voidnet.click
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
Sample tries to kill a process (SIGKILL)
Source: /tmp/8awpc7GpMh.elf (PID: 6291) SIGKILL sent: pid: 1638, result: successful Jump to behavior
Source: classification engine Classification label: mal64.troj.evad.linELF@0/1@6/0
Creates hidden files and/or directories
Source: /usr/libexec/gsd-rfkill (PID: 6295) Directory: <invalid fd (9)>/.. Jump to behavior
Source: /usr/libexec/gsd-rfkill (PID: 6295) Directory: <invalid fd (8)>/.. Jump to behavior
Source: /lib/systemd/systemd-hostnamed (PID: 6300) Directory: <invalid fd (10)>/.. Jump to behavior
Enumerates processes within the "proc" file system
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/1582/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/230/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/110/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/231/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/111/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/232/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/1579/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/112/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/233/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/113/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/234/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/1335/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/114/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/235/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/1334/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/1576/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/115/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/236/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/116/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/237/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/117/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/118/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/910/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/119/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/912/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/10/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/11/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/918/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/12/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/13/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/14/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/15/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/16/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/17/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/18/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/1594/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/120/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/121/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/1349/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/122/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/243/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/123/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/2/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/124/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/3/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/4/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/125/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/126/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/1344/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/1465/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/1586/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/127/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/6/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/248/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/128/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/249/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/1463/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/800/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/9/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/801/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/20/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/21/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/22/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/23/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/24/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/25/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/26/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/27/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/28/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/29/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/491/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/250/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/130/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/251/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/252/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/132/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/253/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/254/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/255/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/256/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/1599/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/257/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/1477/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/379/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/258/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/1476/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/259/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/1475/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/936/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/30/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/35/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/1494/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/260/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/261/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/141/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/262/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/263/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/264/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/144/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/265/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/266/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/267/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/1489/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/269/cmdline Jump to behavior
Source: /tmp/8awpc7GpMh.elf (PID: 6291) File opened: /proc/270/cmdline Jump to behavior

Hooking and other Techniques for Hiding and Protection
barindex
Sample deletes itself
Source: /tmp/8awpc7GpMh.elf (PID: 6289) File: /tmp/8awpc7GpMh.elf Jump to behavior
Uses the "uname" system call to query kernel version information (possible evasion)
Source: /tmp/8awpc7GpMh.elf (PID: 6287) Queries kernel information via 'uname': Jump to behavior
Source: /lib/systemd/systemd-hostnamed (PID: 6300) Queries kernel information via 'uname': Jump to behavior
Source: 8awpc7GpMh.elf, 6287.1.0000563376052000.0000563376180000.rw-.sdmp Binary or memory string: v3V!/etc/qemu-binfmt/arm
Source: 8awpc7GpMh.elf, 6287.1.00007ffe4d65c000.00007ffe4d67d000.rw-.sdmp Binary or memory string: r3V/tmp/qemu-open.4zRZeD:
Source: 8awpc7GpMh.elf, 6287.1.0000563376052000.0000563376180000.rw-.sdmp Binary or memory string: /etc/qemu-binfmt/arm
Source: 8awpc7GpMh.elf, 6287.1.00007ffe4d65c000.00007ffe4d67d000.rw-.sdmp Binary or memory string: /usr/bin/qemu-arm
Source: 8awpc7GpMh.elf, 6287.1.00007ffe4d65c000.00007ffe4d67d000.rw-.sdmp Binary or memory string: x86_64/usr/bin/qemu-arm/tmp/8awpc7GpMh.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/8awpc7GpMh.elf
Source: 8awpc7GpMh.elf, 6287.1.00007ffe4d65c000.00007ffe4d67d000.rw-.sdmp Binary or memory string: /tmp/qemu-open.4zRZeD

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
94.156.79.77
 cnc.voidnet.click Bulgaria
43561 NET1-ASBG true
109.202.202.202
 unknown Switzerland
13030 INIT7CH false
89.190.156.145
 unknown United Kingdom
7489 HOSTUS-GLOBAL-ASHostUSHK false
91.189.91.43
 unknown United Kingdom
41231 CANONICAL-ASGB false
91.189.91.42
 unknown United Kingdom
41231 CANONICAL-ASGB false

Contacted Domains

Name IP Active
cnc.voidnet.click 94.156.79.77 true
cnc.voidnet.click.''f66PV,PV!E(9(w5#Fw%''fNNPV!PV,E@ unknown unknown
cnc.voidnet.click.''f<66PV,PV!E(nj5?H[%''fNNPV!PV,E@ unknown unknown
cnc.voidnet.click.''fhi66PV,PV!E(Pj,52$h%''fiNNPV!PV,E@ unknown unknown
cnc.voidnet.click.''fT66PV,PV!E(*jR5W%''fmJJPV!PV,E< unknown unknown
cnc.voidnet.click.''f466PV,PV!E(:Y5W+C%''fh5NNPV!PV,E@ unknown unknown