Linux Analysis Report
spc.elf

Overview

General Information

Sample name: spc.elf
Analysis ID: 1544585
MD5: 93b4161a5f0230ec60198502732a903a
SHA1: 850f6c220fae199e6a5c51634dc1b8e90bec6747
SHA256: 2b34ef1b0179d888c06cd50327845a482ac4f839b000f078e8641930b3643c14
Tags: elfuser-abuse_ch
Infos:

Detection

Mirai
Score: 76
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
Connects to many ports of the same IP (likely port scanning)
Detected TCP or UDP traffic on non-standard ports
Enumerates processes within the "proc" file system
Sample has stripped symbol table
Sample listens on a socket
Tries to connect to HTTP servers, but all servers are down (expired dropper behavior)
Tries to resolve domain names, but no domain seems valid (expired dropper behavior)
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
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Antivirus / Scanner detection for submitted sample
Source: spc.elf Avira: detected
Multi AV Scanner detection for submitted file
Source: spc.elf ReversingLabs: Detection: 65%

Networking
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Connects to many ports of the same IP (likely port scanning)
Source: global traffic TCP traffic: 193.84.71.119 ports 38241,1,2,3,4,8
Detected TCP or UDP traffic on non-standard ports
Source: global traffic TCP traffic: 192.168.2.14:43786 -> 193.84.71.119:38241
Sample listens on a socket
Source: /tmp/spc.elf (PID: 5481) Socket: 127.0.0.1:63841 Jump to behavior
Tries to connect to HTTP servers, but all servers are down (expired dropper behavior)
Source: global traffic TCP traffic: 192.168.2.14:46540 -> 185.125.190.26:443
Tries to resolve domain names, but no domain seems valid (expired dropper behavior)
Source: unknown DNS traffic detected: query: 193.84.71.119 replaycode: Name error (3)
Source: unknown TCP traffic detected without corresponding DNS query: 193.84.71.119
Source: unknown TCP traffic detected without corresponding DNS query: 193.84.71.119
Source: unknown TCP traffic detected without corresponding DNS query: 193.84.71.119
Source: unknown TCP traffic detected without corresponding DNS query: 193.84.71.119
Source: unknown TCP traffic detected without corresponding DNS query: 193.84.71.119
Source: unknown TCP traffic detected without corresponding DNS query: 193.84.71.119
Source: unknown TCP traffic detected without corresponding DNS query: 193.84.71.119
Source: unknown TCP traffic detected without corresponding DNS query: 193.84.71.119
Source: unknown TCP traffic detected without corresponding DNS query: 193.84.71.119
Source: unknown TCP traffic detected without corresponding DNS query: 193.84.71.119
Source: unknown TCP traffic detected without corresponding DNS query: 193.84.71.119
Source: unknown TCP traffic detected without corresponding DNS query: 193.84.71.119
Source: unknown TCP traffic detected without corresponding DNS query: 193.84.71.119
Source: unknown TCP traffic detected without corresponding DNS query: 193.84.71.119
Source: unknown TCP traffic detected without corresponding DNS query: 193.84.71.119
Source: unknown TCP traffic detected without corresponding DNS query: 193.84.71.119
Source: unknown TCP traffic detected without corresponding DNS query: 193.84.71.119
Source: unknown TCP traffic detected without corresponding DNS query: 193.84.71.119
Source: unknown TCP traffic detected without corresponding DNS query: 193.84.71.119
Source: unknown TCP traffic detected without corresponding DNS query: 193.84.71.119
Source: unknown TCP traffic detected without corresponding DNS query: 193.84.71.119
Source: unknown TCP traffic detected without corresponding DNS query: 193.84.71.119
Source: unknown TCP traffic detected without corresponding DNS query: 193.84.71.119
Source: unknown TCP traffic detected without corresponding DNS query: 193.84.71.119
Source: unknown TCP traffic detected without corresponding DNS query: 193.84.71.119
Source: unknown TCP traffic detected without corresponding DNS query: 193.84.71.119
Source: unknown TCP traffic detected without corresponding DNS query: 193.84.71.119
Source: unknown TCP traffic detected without corresponding DNS query: 193.84.71.119
Source: unknown TCP traffic detected without corresponding DNS query: 193.84.71.119
Source: unknown TCP traffic detected without corresponding DNS query: 193.84.71.119
Source: unknown TCP traffic detected without corresponding DNS query: 193.84.71.119
Source: unknown TCP traffic detected without corresponding DNS query: 193.84.71.119
Source: unknown TCP traffic detected without corresponding DNS query: 193.84.71.119
Source: unknown TCP traffic detected without corresponding DNS query: 193.84.71.119
Source: unknown TCP traffic detected without corresponding DNS query: 193.84.71.119
Source: unknown TCP traffic detected without corresponding DNS query: 193.84.71.119
Source: unknown TCP traffic detected without corresponding DNS query: 193.84.71.119
Source: unknown TCP traffic detected without corresponding DNS query: 193.84.71.119
Source: unknown TCP traffic detected without corresponding DNS query: 193.84.71.119
Source: unknown TCP traffic detected without corresponding DNS query: 193.84.71.119
Source: unknown TCP traffic detected without corresponding DNS query: 193.84.71.119
Source: unknown TCP traffic detected without corresponding DNS query: 193.84.71.119
Source: unknown TCP traffic detected without corresponding DNS query: 193.84.71.119
Source: unknown TCP traffic detected without corresponding DNS query: 193.84.71.119
Source: unknown TCP traffic detected without corresponding DNS query: 193.84.71.119
Source: unknown TCP traffic detected without corresponding DNS query: 193.84.71.119
Source: unknown TCP traffic detected without corresponding DNS query: 193.84.71.119
Source: unknown TCP traffic detected without corresponding DNS query: 193.84.71.119
Source: unknown TCP traffic detected without corresponding DNS query: 193.84.71.119
Source: unknown TCP traffic detected without corresponding DNS query: 193.84.71.119
Source: global traffic DNS traffic detected: DNS query: 193.84.71.119
Source: unknown Network traffic detected: HTTP traffic on port 46540 -> 443

System Summary
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Malicious sample detected (through community Yara rule)
Source: spc.elf, type: SAMPLE Matched rule: Detects ELF malware Mirai related Author: Florian Roth
Source: 5481.1.00007f9560011000.00007f9560020000.r-x.sdmp, type: MEMORY Matched rule: Detects ELF malware Mirai related Author: Florian Roth
Source: 5487.1.00007f9560011000.00007f9560020000.r-x.sdmp, type: MEMORY Matched rule: Detects ELF malware Mirai related Author: Florian Roth
Source: 5483.1.00007f9560011000.00007f9560020000.r-x.sdmp, type: MEMORY Matched rule: Detects ELF malware Mirai related Author: Florian Roth
Sample has stripped symbol table
Source: ELF static info symbol of initial sample .symtab present: no
Yara signature match
Source: spc.elf, type: SAMPLE Matched rule: MAL_ELF_LNX_Mirai_Oct10_2 date = 2018-10-27, hash1 = fa0018e75f503f9748a5de0d14d4358db234f65e28c31c8d5878cc58807081c9, author = Florian Roth, description = Detects ELF malware Mirai related, reference = Internal Research
Source: 5481.1.00007f9560011000.00007f9560020000.r-x.sdmp, type: MEMORY Matched rule: MAL_ELF_LNX_Mirai_Oct10_2 date = 2018-10-27, hash1 = fa0018e75f503f9748a5de0d14d4358db234f65e28c31c8d5878cc58807081c9, author = Florian Roth, description = Detects ELF malware Mirai related, reference = Internal Research
Source: 5487.1.00007f9560011000.00007f9560020000.r-x.sdmp, type: MEMORY Matched rule: MAL_ELF_LNX_Mirai_Oct10_2 date = 2018-10-27, hash1 = fa0018e75f503f9748a5de0d14d4358db234f65e28c31c8d5878cc58807081c9, author = Florian Roth, description = Detects ELF malware Mirai related, reference = Internal Research
Source: 5483.1.00007f9560011000.00007f9560020000.r-x.sdmp, type: MEMORY Matched rule: MAL_ELF_LNX_Mirai_Oct10_2 date = 2018-10-27, hash1 = fa0018e75f503f9748a5de0d14d4358db234f65e28c31c8d5878cc58807081c9, author = Florian Roth, description = Detects ELF malware Mirai related, reference = Internal Research
Source: classification engine Classification label: mal76.troj.linELF@0/1@640/0
Enumerates processes within the "proc" file system
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/2672/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/1583/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/3244/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/3120/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/3361/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/3759/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/3239/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/1577/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/1610/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/512/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/1299/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/3235/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/514/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/519/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/3756/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/2946/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/3757/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/917/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/3758/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/3134/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/1593/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/3011/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/3094/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/2955/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/3406/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/1589/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/3129/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/1588/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/3402/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/3125/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/3246/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/3245/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/767/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/800/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/888/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/801/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/769/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/803/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/5427/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/806/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/807/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/928/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/2956/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/5321/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/3420/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/490/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/3142/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/1635/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/1633/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/1599/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/3139/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/1873/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/1630/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/3412/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/657/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/658/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/659/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/418/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/419/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/1639/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/1638/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/3813/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/3398/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/1371/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/3392/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/780/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/660/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/661/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/782/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/1369/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/3304/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/3425/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/785/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/1642/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/940/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/941/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/1640/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/3147/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/3268/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/1364/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/548/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/1647/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/5466/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/2991/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/1383/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/1382/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/1381/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/791/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/671/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/794/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/1655/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/2986/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/795/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/674/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/1653/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/797/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/2983/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/3159/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/678/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/1650/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/3157/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/679/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/3679/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/1659/maps Jump to behavior
Source: /tmp/spc.elf (PID: 5489) File opened: /proc/3319/maps Jump to behavior
Uses the "uname" system call to query kernel version information (possible evasion)
Source: /tmp/spc.elf (PID: 5481) Queries kernel information via 'uname': Jump to behavior
Source: spc.elf, 5481.1.000055f5e4525000.000055f5e45aa000.rw-.sdmp, spc.elf, 5483.1.000055f5e4525000.000055f5e45aa000.rw-.sdmp, spc.elf, 5487.1.000055f5e4525000.000055f5e45aa000.rw-.sdmp Binary or memory string: /etc/qemu-binfmt/sparc
Source: spc.elf, 5481.1.000055f5e4525000.000055f5e45aa000.rw-.sdmp, spc.elf, 5483.1.000055f5e4525000.000055f5e45aa000.rw-.sdmp, spc.elf, 5487.1.000055f5e4525000.000055f5e45aa000.rw-.sdmp Binary or memory string: U!/etc/qemu-binfmt/sparc
Source: spc.elf, 5481.1.00007ffe2f904000.00007ffe2f925000.rw-.sdmp, spc.elf, 5483.1.00007ffe2f904000.00007ffe2f925000.rw-.sdmp, spc.elf, 5487.1.00007ffe2f904000.00007ffe2f925000.rw-.sdmp Binary or memory string: @^x86_64/usr/bin/qemu-sparc/tmp/spc.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/spc.elf
Source: spc.elf, 5481.1.00007ffe2f904000.00007ffe2f925000.rw-.sdmp, spc.elf, 5483.1.00007ffe2f904000.00007ffe2f925000.rw-.sdmp, spc.elf, 5487.1.00007ffe2f904000.00007ffe2f925000.rw-.sdmp Binary or memory string: /usr/bin/qemu-sparc

Stealing of Sensitive Information
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Yara detected Mirai
Source: Yara match File source: spc.elf, type: SAMPLE
Source: Yara match File source: 5481.1.00007f9560011000.00007f9560020000.r-x.sdmp, type: MEMORY
Source: Yara match File source: 5487.1.00007f9560011000.00007f9560020000.r-x.sdmp, type: MEMORY
Source: Yara match File source: 5483.1.00007f9560011000.00007f9560020000.r-x.sdmp, type: MEMORY

Remote Access Functionality
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Yara detected Mirai
Source: Yara match File source: spc.elf, type: SAMPLE
Source: Yara match File source: 5481.1.00007f9560011000.00007f9560020000.r-x.sdmp, type: MEMORY
Source: Yara match File source: 5487.1.00007f9560011000.00007f9560020000.r-x.sdmp, type: MEMORY
Source: Yara match File source: 5483.1.00007f9560011000.00007f9560020000.r-x.sdmp, type: MEMORY

No Screenshots

  • No. of IPs < 25%
  • 25% < No. of IPs < 50%
  • 50% < No. of IPs < 75%
  • 75% < No. of IPs

Contacted Public IPs

IP Domain Country Flag ASN ASN Name Malicious
185.125.190.26
 unknown United Kingdom
41231 CANONICAL-ASGB false
193.84.71.119
 unknown Poland
199478 RADIOCABLE-ASES true

Contacted Domains

Name IP Active
193.84.71.119 unknown unknown