Linux Analysis Report
K3uqFLrEG1.elf

Overview

General Information

Sample name: K3uqFLrEG1.elf
renamed because original name is a hash value
Original sample name: 02882dbdec40a51f68895a2d46c861a8.elf
Analysis ID: 1431635
MD5: 02882dbdec40a51f68895a2d46c861a8
SHA1: 3b146f75ed3c0a2b2f7891c85590607eac190280
SHA256: 04372b07a08564868e14dcdf69fb70ad51203a2a9eefabc7d8e30422722260f2
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: K3uqFLrEG1.elf Avira: detected
Multi AV Scanner detection for submitted file
Source: K3uqFLrEG1.elf ReversingLabs: Detection: 67%
Source: K3uqFLrEG1.elf Virustotal: Detection: 40% Perma Link
Found strings indicative of a multi-platform dropper
Source: K3uqFLrEG1.elf String: nh con../dvr_gui./upnp_server./dvr_app./pkillkillallwgetbusyboxtopcurlrebootpsftptftppgrepgrepxargsawktoyboxTT
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: global traffic DNS traffic detected: DNS query: daisy.ubuntu.com

System Summary
barindex
Malicious sample detected (through community Yara rule)
Source: K3uqFLrEG1.elf, type: SAMPLE Matched rule: Linux_Trojan_Gafgyt_28a2fe0c Author: unknown
Source: 5560.1.00007f4f6c017000.00007f4f6c037000.r-x.sdmp, type: MEMORY Matched rule: Linux_Trojan_Gafgyt_28a2fe0c Author: unknown
Source: Process Memory Space: K3uqFLrEG1.elf PID: 5560, 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./pkillkillallwgetbusyboxtopcurlrebootpsftptftppgrepgrepxargsawktoyboxTT
Sample has stripped symbol table
Source: ELF static info symbol of initial sample .symtab present: no
Yara signature match
Source: K3uqFLrEG1.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: 5560.1.00007f4f6c017000.00007f4f6c037000.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: K3uqFLrEG1.elf PID: 5560, 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/K3uqFLrEG1.elf (PID: 5560) Queries kernel information via 'uname': Jump to behavior
Source: K3uqFLrEG1.elf, 5560.1.00007fffb630a000.00007fffb632b000.rw-.sdmp Binary or memory string: ox86_64/usr/bin/qemu-arm/tmp/K3uqFLrEG1.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/K3uqFLrEG1.elf
Source: K3uqFLrEG1.elf, 5560.1.0000556612de2000.0000556612f10000.rw-.sdmp Binary or memory string: /etc/qemu-binfmt/arm
Source: K3uqFLrEG1.elf, 5560.1.00007fffb630a000.00007fffb632b000.rw-.sdmp Binary or memory string: /usr/bin/qemu-arm
Source: K3uqFLrEG1.elf, 5560.1.0000556612de2000.0000556612f10000.rw-.sdmp Binary or memory string: fU!/etc/qemu-binfmt/arm
Source: K3uqFLrEG1.elf, 5560.1.00007fffb630a000.00007fffb632b000.rw-.sdmp Binary or memory string: qemu: uncaught target signal 11 (Segmentation fault) - core dumped

No Screenshots

⊘No contacted IP infos

Contacted Domains

Name IP Active
daisy.ubuntu.com 162.213.35.25 true