Linux Analysis Report
yakov.m68k.elf

Overview

General Information

Sample name: yakov.m68k.elf
Analysis ID: 1524329
MD5: 177c3d3956c1489d66e0b33bfe340649
SHA1: 087cb328c8cd2344465871554af30c8f25342831
SHA256: d1a6aa4a4b2b610be67696fb4069055dd6321c557ab4120347e012a997d95061
Tags: botnetelfMiraiyakovYakuzauser-NDA0E
Infos:

Detection

Mirai
Score: 72
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
Yara detected Mirai
Detected TCP or UDP traffic on non-standard ports
Sample has stripped symbol table
Sample listens on a socket
Uses the "uname" system call to query kernel version information (possible evasion)
Yara signature match

Classification

Name Description Attribution Blogpost URLs Link
Mirai Mirai is one of the first significant botnets targeting exposed networking devices running Linux. Found in August 2016 by MalwareMustDie, its name means "future" in Japanese. Nowadays it targets a wide range of networked embedded devices such as IP cameras, home routers (many vendors involved), and other IoT devices. Since the source code was published on "Hack Forums" many variants of the Mirai family appeared, infecting mostly home networks all around the world. No Attribution https://malpedia.caad.fkie.fraunhofer.de/details/elf.mirai

AV Detection

barindex
Source: yakov.m68k.elf Avira: detected
Source: yakov.m68k.elf ReversingLabs: Detection: 65%
Source: global traffic TCP traffic: 192.168.2.15:52498 -> 87.120.114.147:3778
Source: /tmp/yakov.m68k.elf (PID: 5537) Socket: 127.0.0.1:17424 Jump to behavior
Source: unknown TCP traffic detected without corresponding DNS query: 87.120.114.147
Source: unknown TCP traffic detected without corresponding DNS query: 87.120.114.147
Source: unknown TCP traffic detected without corresponding DNS query: 211.227.128.214
Source: unknown TCP traffic detected without corresponding DNS query: 242.92.11.54
Source: unknown TCP traffic detected without corresponding DNS query: 145.12.244.211
Source: unknown TCP traffic detected without corresponding DNS query: 101.79.27.80
Source: unknown TCP traffic detected without corresponding DNS query: 99.219.124.131
Source: unknown TCP traffic detected without corresponding DNS query: 117.231.119.232
Source: unknown TCP traffic detected without corresponding DNS query: 61.235.217.226
Source: unknown TCP traffic detected without corresponding DNS query: 62.84.21.148
Source: unknown TCP traffic detected without corresponding DNS query: 193.80.24.5
Source: unknown TCP traffic detected without corresponding DNS query: 53.70.59.111
Source: unknown TCP traffic detected without corresponding DNS query: 65.201.179.56
Source: unknown TCP traffic detected without corresponding DNS query: 123.33.219.68
Source: unknown TCP traffic detected without corresponding DNS query: 91.207.56.155
Source: unknown TCP traffic detected without corresponding DNS query: 59.102.244.146
Source: unknown TCP traffic detected without corresponding DNS query: 192.145.22.59
Source: unknown TCP traffic detected without corresponding DNS query: 92.216.40.156
Source: unknown TCP traffic detected without corresponding DNS query: 113.78.46.134
Source: unknown TCP traffic detected without corresponding DNS query: 43.167.140.55
Source: unknown TCP traffic detected without corresponding DNS query: 220.68.21.191
Source: unknown TCP traffic detected without corresponding DNS query: 16.125.215.148
Source: unknown TCP traffic detected without corresponding DNS query: 250.213.253.167
Source: unknown TCP traffic detected without corresponding DNS query: 95.73.153.197
Source: unknown TCP traffic detected without corresponding DNS query: 99.125.77.192
Source: unknown TCP traffic detected without corresponding DNS query: 158.183.9.40
Source: unknown TCP traffic detected without corresponding DNS query: 9.3.136.128
Source: unknown TCP traffic detected without corresponding DNS query: 89.191.157.169
Source: unknown TCP traffic detected without corresponding DNS query: 115.84.91.222
Source: unknown TCP traffic detected without corresponding DNS query: 112.154.195.209
Source: unknown TCP traffic detected without corresponding DNS query: 86.185.254.152
Source: unknown TCP traffic detected without corresponding DNS query: 73.65.225.141
Source: unknown TCP traffic detected without corresponding DNS query: 190.36.113.233
Source: unknown TCP traffic detected without corresponding DNS query: 243.16.127.204
Source: unknown TCP traffic detected without corresponding DNS query: 169.38.136.104
Source: unknown TCP traffic detected without corresponding DNS query: 194.52.225.134
Source: unknown TCP traffic detected without corresponding DNS query: 246.142.196.209
Source: unknown TCP traffic detected without corresponding DNS query: 107.172.122.152
Source: unknown TCP traffic detected without corresponding DNS query: 77.247.120.222
Source: unknown TCP traffic detected without corresponding DNS query: 83.249.88.56
Source: unknown TCP traffic detected without corresponding DNS query: 217.171.223.52
Source: unknown TCP traffic detected without corresponding DNS query: 78.51.226.79
Source: unknown TCP traffic detected without corresponding DNS query: 252.205.77.223
Source: unknown TCP traffic detected without corresponding DNS query: 166.66.237.28
Source: unknown TCP traffic detected without corresponding DNS query: 80.137.117.139
Source: unknown TCP traffic detected without corresponding DNS query: 240.212.4.243
Source: unknown TCP traffic detected without corresponding DNS query: 31.177.146.104
Source: unknown TCP traffic detected without corresponding DNS query: 192.46.23.7
Source: unknown TCP traffic detected without corresponding DNS query: 77.161.181.119
Source: unknown TCP traffic detected without corresponding DNS query: 206.16.189.100

System Summary

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Source: yakov.m68k.elf, type: SAMPLE Matched rule: Linux_Trojan_Gafgyt_28a2fe0c Author: unknown
Source: yakov.m68k.elf, type: SAMPLE Matched rule: Linux_Trojan_Gafgyt_ea92cca8 Author: unknown
Source: 5534.1.00007faea0001000.00007faea000e000.r-x.sdmp, type: MEMORY Matched rule: Linux_Trojan_Gafgyt_28a2fe0c Author: unknown
Source: 5534.1.00007faea0001000.00007faea000e000.r-x.sdmp, type: MEMORY Matched rule: Linux_Trojan_Gafgyt_ea92cca8 Author: unknown
Source: 5539.1.00007faea0001000.00007faea000e000.r-x.sdmp, type: MEMORY Matched rule: Linux_Trojan_Gafgyt_28a2fe0c Author: unknown
Source: 5539.1.00007faea0001000.00007faea000e000.r-x.sdmp, type: MEMORY Matched rule: Linux_Trojan_Gafgyt_ea92cca8 Author: unknown
Source: Process Memory Space: yakov.m68k.elf PID: 5539, type: MEMORYSTR Matched rule: Linux_Trojan_Gafgyt_28a2fe0c Author: unknown
Source: Process Memory Space: yakov.m68k.elf PID: 5539, type: MEMORYSTR Matched rule: Linux_Trojan_Gafgyt_ea92cca8 Author: unknown
Source: ELF static info symbol of initial sample .symtab present: no
Source: yakov.m68k.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: yakov.m68k.elf, type: SAMPLE Matched rule: Linux_Trojan_Gafgyt_ea92cca8 os = linux, severity = x86, creation_date = 2021-01-12, scan_context = file, memory, license = Elastic License v2, threat_name = Linux.Trojan.Gafgyt, fingerprint = aa4aee9f3d6bedd8234eaf8778895a0f5d71c42b21f2a428f01f121e85704e8e, id = ea92cca8-bba7-4a1c-9b88-a2d051ad0021, last_modified = 2021-09-16
Source: 5534.1.00007faea0001000.00007faea000e000.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: 5534.1.00007faea0001000.00007faea000e000.r-x.sdmp, type: MEMORY Matched rule: Linux_Trojan_Gafgyt_ea92cca8 os = linux, severity = x86, creation_date = 2021-01-12, scan_context = file, memory, license = Elastic License v2, threat_name = Linux.Trojan.Gafgyt, fingerprint = aa4aee9f3d6bedd8234eaf8778895a0f5d71c42b21f2a428f01f121e85704e8e, id = ea92cca8-bba7-4a1c-9b88-a2d051ad0021, last_modified = 2021-09-16
Source: 5539.1.00007faea0001000.00007faea000e000.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: 5539.1.00007faea0001000.00007faea000e000.r-x.sdmp, type: MEMORY Matched rule: Linux_Trojan_Gafgyt_ea92cca8 os = linux, severity = x86, creation_date = 2021-01-12, scan_context = file, memory, license = Elastic License v2, threat_name = Linux.Trojan.Gafgyt, fingerprint = aa4aee9f3d6bedd8234eaf8778895a0f5d71c42b21f2a428f01f121e85704e8e, id = ea92cca8-bba7-4a1c-9b88-a2d051ad0021, last_modified = 2021-09-16
Source: Process Memory Space: yakov.m68k.elf PID: 5539, 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: Process Memory Space: yakov.m68k.elf PID: 5539, type: MEMORYSTR Matched rule: Linux_Trojan_Gafgyt_ea92cca8 os = linux, severity = x86, creation_date = 2021-01-12, scan_context = file, memory, license = Elastic License v2, threat_name = Linux.Trojan.Gafgyt, fingerprint = aa4aee9f3d6bedd8234eaf8778895a0f5d71c42b21f2a428f01f121e85704e8e, id = ea92cca8-bba7-4a1c-9b88-a2d051ad0021, last_modified = 2021-09-16
Source: yakov.m68k.elf, 5534.1.0000562e742bd000.0000562e74342000.rw-.sdmp, yakov.m68k.elf, 5539.1.0000562e742bd000.0000562e74342000.rw-.sdmp Binary or memory string: g.t.Vbp
Source: classification engine Classification label: mal72.troj.linELF@0/0@0/0
Source: /tmp/yakov.m68k.elf (PID: 5534) Queries kernel information via 'uname': Jump to behavior
Source: yakov.m68k.elf, 5534.1.0000562e742bd000.0000562e74342000.rw-.sdmp, yakov.m68k.elf, 5539.1.0000562e742bd000.0000562e74342000.rw-.sdmp Binary or memory string: ,t.VP,t.V!/etc/qemu-binfmt/m68k
Source: yakov.m68k.elf, 5534.1.00007ffeb3755000.00007ffeb3776000.rw-.sdmp, yakov.m68k.elf, 5539.1.00007ffeb3755000.00007ffeb3776000.rw-.sdmp Binary or memory string: /usr/bin/qemu-m68k
Source: yakov.m68k.elf, 5534.1.0000562e742bd000.0000562e74342000.rw-.sdmp, yakov.m68k.elf, 5539.1.0000562e742bd000.0000562e74342000.rw-.sdmp Binary or memory string: /etc/qemu-binfmt/m68k
Source: yakov.m68k.elf, 5534.1.00007ffeb3755000.00007ffeb3776000.rw-.sdmp, yakov.m68k.elf, 5539.1.00007ffeb3755000.00007ffeb3776000.rw-.sdmp Binary or memory string: `usx86_64/usr/bin/qemu-m68k/tmp/yakov.m68k.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/yakov.m68k.elf

Stealing of Sensitive Information

barindex
Source: Yara match File source: yakov.m68k.elf, type: SAMPLE
Source: Yara match File source: 5534.1.00007faea0001000.00007faea000e000.r-x.sdmp, type: MEMORY
Source: Yara match File source: 5539.1.00007faea0001000.00007faea000e000.r-x.sdmp, type: MEMORY
Source: Yara match File source: Process Memory Space: yakov.m68k.elf PID: 5539, type: MEMORYSTR

Remote Access Functionality

barindex
Source: Yara match File source: yakov.m68k.elf, type: SAMPLE
Source: Yara match File source: 5534.1.00007faea0001000.00007faea000e000.r-x.sdmp, type: MEMORY
Source: Yara match File source: 5539.1.00007faea0001000.00007faea000e000.r-x.sdmp, type: MEMORY
Source: Yara match File source: Process Memory Space: yakov.m68k.elf PID: 5539, type: MEMORYSTR
  • No. of IPs < 25%
  • 25% < No. of IPs < 50%
  • 50% < No. of IPs < 75%
  • 75% < No. of IPs