Linux Analysis Report
KwFkwV5uzG.elf

Overview

General Information

Sample name: KwFkwV5uzG.elf
renamed because original name is a hash value
Original sample name: 802ac2faefae0d4c854f205220929275.elf
Analysis ID: 1430862
MD5: 802ac2faefae0d4c854f205220929275
SHA1: b818e61ec6d327eb6cf325ff802e113ee9536de0
SHA256: 3e47466269767a4bb8688a5cf18ad376a10e00277386229fda0ee6fc2c45e84d
Tags: 32armelfmirai
Infos:

Detection

Score: 64
Range: 0 - 100
Whitelisted: false

Signatures

Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Found strings indicative of a multi-platform dropper
Sample contains strings indicative of BusyBox which embeds multiple Unix commands in a single executable
Sample has stripped symbol table
Uses the "uname" system call to query kernel version information (possible evasion)
Yara signature match

Classification

AV Detection
barindex
Antivirus / Scanner detection for submitted sample
Source: KwFkwV5uzG.elf Avira: detected
Multi AV Scanner detection for submitted file
Source: KwFkwV5uzG.elf Virustotal: Detection: 41% Perma Link
Source: KwFkwV5uzG.elf ReversingLabs: Detection: 68%
Found strings indicative of a multi-platform dropper
Source: KwFkwV5uzG.elf String: nh con../dvr_gui./upnp_server./dvr_app./pkillkillallwgetbusyboxtopcurlrebootpsftptftppgrepgrepxargsawkTT
Source: unknown UDP traffic detected without corresponding DNS query: 1.1.1.1
Source: unknown UDP traffic detected without corresponding DNS query: 1.1.1.1
Source: unknown DNS traffic detected: queries for: daisy.ubuntu.com

System Summary
barindex
Malicious sample detected (through community Yara rule)
Source: KwFkwV5uzG.elf, type: SAMPLE Matched rule: Linux_Trojan_Gafgyt_28a2fe0c Author: unknown
Source: 5531.1.00007f8db4017000.00007f8db4037000.r-x.sdmp, type: MEMORY Matched rule: Linux_Trojan_Gafgyt_28a2fe0c Author: unknown
Source: Process Memory Space: KwFkwV5uzG.elf PID: 5531, type: MEMORYSTR Matched rule: Linux_Trojan_Gafgyt_28a2fe0c Author: unknown
Sample contains strings indicative of BusyBox which embeds multiple Unix commands in a single executable
Source: Initial sample String containing 'busybox' found: busybox
Source: Initial sample String containing 'busybox' found: nh con../dvr_gui./upnp_server./dvr_app./pkillkillallwgetbusyboxtopcurlrebootpsftptftppgrepgrepxargsawkTT
Sample has stripped symbol table
Source: ELF static info symbol of initial sample .symtab present: no
Yara signature match
Source: KwFkwV5uzG.elf, type: SAMPLE Matched rule: Linux_Trojan_Gafgyt_28a2fe0c os = linux, severity = x86, creation_date = 2021-01-12, scan_context = file, memory, license = Elastic License v2, threat_name = Linux.Trojan.Gafgyt, fingerprint = a2c6beaec18ca876e8487c11bcc7a29279669588aacb7d3027d8d8df8f5bcead, id = 28a2fe0c-eed5-4c79-81e6-3b11b73a4ebd, last_modified = 2021-09-16
Source: 5531.1.00007f8db4017000.00007f8db4037000.r-x.sdmp, type: MEMORY Matched rule: Linux_Trojan_Gafgyt_28a2fe0c os = linux, severity = x86, creation_date = 2021-01-12, scan_context = file, memory, license = Elastic License v2, threat_name = Linux.Trojan.Gafgyt, fingerprint = a2c6beaec18ca876e8487c11bcc7a29279669588aacb7d3027d8d8df8f5bcead, id = 28a2fe0c-eed5-4c79-81e6-3b11b73a4ebd, last_modified = 2021-09-16
Source: Process Memory Space: KwFkwV5uzG.elf PID: 5531, type: MEMORYSTR Matched rule: Linux_Trojan_Gafgyt_28a2fe0c os = linux, severity = x86, creation_date = 2021-01-12, scan_context = file, memory, license = Elastic License v2, threat_name = Linux.Trojan.Gafgyt, fingerprint = a2c6beaec18ca876e8487c11bcc7a29279669588aacb7d3027d8d8df8f5bcead, id = 28a2fe0c-eed5-4c79-81e6-3b11b73a4ebd, last_modified = 2021-09-16
Source: classification engine Classification label: mal64.linELF@0/0@2/0
Uses the "uname" system call to query kernel version information (possible evasion)
Source: /tmp/KwFkwV5uzG.elf (PID: 5531) Queries kernel information via 'uname': Jump to behavior
Source: KwFkwV5uzG.elf, 5531.1.0000559093ad9000.0000559093c07000.rw-.sdmp Binary or memory string: U!/etc/qemu-binfmt/arm
Source: KwFkwV5uzG.elf, 5531.1.00007ffda6dfa000.00007ffda6e1b000.rw-.sdmp Binary or memory string: x86_64/usr/bin/qemu-arm/tmp/KwFkwV5uzG.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/KwFkwV5uzG.elf
Source: KwFkwV5uzG.elf, 5531.1.0000559093ad9000.0000559093c07000.rw-.sdmp Binary or memory string: /etc/qemu-binfmt/arm
Source: KwFkwV5uzG.elf, 5531.1.00007ffda6dfa000.00007ffda6e1b000.rw-.sdmp Binary or memory string: /usr/bin/qemu-arm
Source: KwFkwV5uzG.elf, 5531.1.00007ffda6dfa000.00007ffda6e1b000.rw-.sdmp Binary or memory string: qemu: uncaught target signal 11 (Segmentation fault) - core dumped
windows-stand
⊘No contacted IP infos

Contacted Domains

Name IP Active
daisy.ubuntu.com 162.213.35.25 true