Linux Analysis Report
MXkNrG1YOu.elf

Overview

General Information

Sample name: MXkNrG1YOu.elf
renamed because original name is a hash value
Original sample name: a669027238e9de1f336fe77faca7f379.elf
Analysis ID: 1430858
MD5: a669027238e9de1f336fe77faca7f379
SHA1: 470b149a4edcb23a1223e814ce3b6ef41f1cb267
SHA256: 2a114621975f64a53b08f9c6cad30b37d4e2c2e78e6d2eee9d33ede1e41604d8
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: MXkNrG1YOu.elf ReversingLabs: Detection: 63%
Source: MXkNrG1YOu.elf Virustotal: Detection: 35% Perma Link
Found strings indicative of a multi-platform dropper
Source: MXkNrG1YOu.elf String: nh con../dvr_gui./upnp_server./dvr_app./pkillkillallwgetbusyboxtopcurlrebootpsftptftppgrepgrepxargsawkT
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: MXkNrG1YOu.elf, type: SAMPLE Matched rule: Linux_Trojan_Gafgyt_28a2fe0c Author: unknown
Source: 5435.1.00007f2d9c017000.00007f2d9c020000.r-x.sdmp, type: MEMORY 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./pkillkillallwgetbusyboxtopcurlrebootpsftptftppgrepgrepxargsawkT
Sample has stripped symbol table
Source: ELF static info symbol of initial sample .symtab present: no
Yara signature match
Source: MXkNrG1YOu.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: 5435.1.00007f2d9c017000.00007f2d9c020000.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: classification engine Classification label: mal56.linELF@0/0@2/0
Uses the "uname" system call to query kernel version information (possible evasion)
Source: /tmp/MXkNrG1YOu.elf (PID: 5435) Queries kernel information via 'uname': Jump to behavior
Source: MXkNrG1YOu.elf, 5435.1.00005582a3f23000.00005582a4051000.rw-.sdmp Binary or memory string: U!/etc/qemu-binfmt/arm
Source: MXkNrG1YOu.elf, 5435.1.00007ffc252ab000.00007ffc252cc000.rw-.sdmp Binary or memory string: qemu: %s: %s
Source: MXkNrG1YOu.elf, 5435.1.00007ffc252ab000.00007ffc252cc000.rw-.sdmp Binary or memory string: leqemu: %s: %s
Source: MXkNrG1YOu.elf, 5435.1.00007ffc252ab000.00007ffc252cc000.rw-.sdmp Binary or memory string: x86_64/usr/bin/qemu-arm/tmp/MXkNrG1YOu.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/MXkNrG1YOu.elf
Source: MXkNrG1YOu.elf, 5435.1.00005582a3f23000.00005582a4051000.rw-.sdmp Binary or memory string: Urg.qemu.gdb.arm.sys.regs">
Source: MXkNrG1YOu.elf, 5435.1.00005582a3f23000.00005582a4051000.rw-.sdmp Binary or memory string: /etc/qemu-binfmt/arm
Source: MXkNrG1YOu.elf, 5435.1.00007ffc252ab000.00007ffc252cc000.rw-.sdmp Binary or memory string: /usr/bin/qemu-arm
Source: MXkNrG1YOu.elf, 5435.1.00005582a3f23000.00005582a4051000.rw-.sdmp Binary or memory string: rg.qemu.gdb.arm.sys.regs">

No Screenshots

⊘No contacted IP infos

Contacted Domains

Name IP Active
daisy.ubuntu.com 162.213.35.24 true