Linux Analysis Report
3o6Nvzq78D.elf

Overview

General Information

Sample name: 3o6Nvzq78D.elf
renamed because original name is a hash value
Original sample name: e04c93ec2a3b9d9916bec113516458ac.elf
Analysis ID: 1431626
MD5: e04c93ec2a3b9d9916bec113516458ac
SHA1: 7f955036d1a7e0768463a3a7359e3178abb28f61
SHA256: 9d5348822d4eaef1dbb9b8468102700f76f3b6475f6d276b8ac156943cf3e9de
Tags: 32armelfmirai
Infos:

Detection

Score: 56
Range: 0 - 100
Whitelisted: false

Signatures

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
Multi AV Scanner detection for submitted file
Source: 3o6Nvzq78D.elf ReversingLabs: Detection: 62%
Source: 3o6Nvzq78D.elf Virustotal: Detection: 37% Perma Link
Found strings indicative of a multi-platform dropper
Source: 3o6Nvzq78D.elf String: nh con../dvr_gui./upnp_server./dvr_app./pkillkillallwgetbusyboxtopcurlrebootpsftptftppgrepgrepxargsawktoyboxT
Source: global traffic DNS traffic detected: DNS query: daisy.ubuntu.com

System Summary
barindex
Malicious sample detected (through community Yara rule)
Source: 3o6Nvzq78D.elf, type: SAMPLE Matched rule: Linux_Trojan_Gafgyt_28a2fe0c Author: unknown
Source: 5650.1.00007f705c017000.00007f705c020000.r-x.sdmp, type: MEMORY Matched rule: Linux_Trojan_Gafgyt_28a2fe0c Author: unknown
Source: Process Memory Space: 3o6Nvzq78D.elf PID: 5650, 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./pkillkillallwgetbusyboxtopcurlrebootpsftptftppgrepgrepxargsawktoyboxT
Sample has stripped symbol table
Source: ELF static info symbol of initial sample .symtab present: no
Yara signature match
Source: 3o6Nvzq78D.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: 5650.1.00007f705c017000.00007f705c020000.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: 3o6Nvzq78D.elf PID: 5650, 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: mal56.linELF@0/0@2/0
Uses the "uname" system call to query kernel version information (possible evasion)
Source: /tmp/3o6Nvzq78D.elf (PID: 5650) Queries kernel information via 'uname': Jump to behavior
Source: 3o6Nvzq78D.elf, 5650.1.00007ffcd34b1000.00007ffcd34d2000.rw-.sdmp Binary or memory string: qemu: %s: %s
Source: 3o6Nvzq78D.elf, 5650.1.00007ffcd34b1000.00007ffcd34d2000.rw-.sdmp Binary or memory string: leqemu: %s: %s
Source: 3o6Nvzq78D.elf, 5650.1.00007ffcd34b1000.00007ffcd34d2000.rw-.sdmp Binary or memory string: x86_64/usr/bin/qemu-arm/tmp/3o6Nvzq78D.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/3o6Nvzq78D.elf
Source: 3o6Nvzq78D.elf, 5650.1.0000562f0ad14000.0000562f0ae42000.rw-.sdmp Binary or memory string: /etc/qemu-binfmt/arm
Source: 3o6Nvzq78D.elf, 5650.1.00007ffcd34b1000.00007ffcd34d2000.rw-.sdmp Binary or memory string: /usr/bin/qemu-arm
Source: 3o6Nvzq78D.elf, 5650.1.0000562f0ad14000.0000562f0ae42000.rw-.sdmp Binary or memory string: /V!/etc/qemu-binfmt/arm
Source: 3o6Nvzq78D.elf, 5650.1.0000562f0ad14000.0000562f0ae42000.rw-.sdmp Binary or memory string: rg.qemu.gdb.arm.sys.regs">
Source: 3o6Nvzq78D.elf, 5650.1.0000562f0ad14000.0000562f0ae42000.rw-.sdmp Binary or memory string: /Vrg.qemu.gdb.arm.sys.regs">
windows-stand
⊘No contacted IP infos

Contacted Domains

Name IP Active
daisy.ubuntu.com 162.213.35.24 true