Linux Analysis Report
na.elf

Overview

General Information

Sample name: na.elf
Analysis ID: 1530540
MD5: 0d3075ec3eeb7b28ddff200248301605
SHA1: a0fefc1da637e9debc5e75a15b6dc8468501fc44
SHA256: bdf462e9feea0e75155af5b360f8c6fb63294636c90bab27ed129e3a06112da9
Tags: elfuser-abuse_ch
Infos:

Detection

Mirai
Score: 80
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
Machine Learning detection for sample
Sample is packed with UPX
ELF contains segments with high entropy indicating compressed/encrypted content
Sample contains only a LOAD segment without any section mappings
Yara signature match

Classification

AV Detection
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Antivirus / Scanner detection for submitted sample
Source: na.elf Avira: detected
Multi AV Scanner detection for submitted file
Source: na.elf ReversingLabs: Detection: 60%
Source: na.elf Virustotal: Detection: 52% Perma Link
Machine Learning detection for sample
Source: na.elf Joe Sandbox ML: detected
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: na.elf String found in binary or memory: http://upx.sf.net

System Summary
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Malicious sample detected (through community Yara rule)
Source: 5536.1.0000000000400000.0000000000411000.r-x.sdmp, type: MEMORY Matched rule: Linux_Trojan_Gafgyt_9e9530a7 Author: unknown
Source: 5536.1.0000000000400000.0000000000411000.r-x.sdmp, type: MEMORY Matched rule: Linux_Trojan_Gafgyt_807911a2 Author: unknown
Source: 5536.1.0000000000400000.0000000000411000.r-x.sdmp, type: MEMORY Matched rule: Linux_Trojan_Gafgyt_d4227dbf Author: unknown
Source: 5536.1.0000000000400000.0000000000411000.r-x.sdmp, type: MEMORY Matched rule: Linux_Trojan_Gafgyt_620087b9 Author: unknown
Source: 5536.1.0000000000400000.0000000000411000.r-x.sdmp, type: MEMORY Matched rule: Linux_Trojan_Gafgyt_0cd591cd Author: unknown
Source: 5536.1.0000000000400000.0000000000411000.r-x.sdmp, type: MEMORY Matched rule: Linux_Trojan_Gafgyt_33b4111a Author: unknown
Source: 5536.1.0000000000400000.0000000000411000.r-x.sdmp, type: MEMORY Matched rule: Linux_Trojan_Gafgyt_a33a8363 Author: unknown
Source: 5536.1.0000000000400000.0000000000411000.r-x.sdmp, type: MEMORY Matched rule: Linux_Trojan_Mirai_520deeb8 Author: unknown
Source: 5536.1.0000000000400000.0000000000411000.r-x.sdmp, type: MEMORY Matched rule: Linux_Trojan_Mirai_6a77af0f Author: unknown
Source: 5536.1.0000000000400000.0000000000411000.r-x.sdmp, type: MEMORY Matched rule: Linux_Trojan_Mirai_01e4a728 Author: unknown
Source: 5536.1.0000000000400000.0000000000411000.r-x.sdmp, type: MEMORY Matched rule: Linux_Trojan_Mirai_e0cf29e2 Author: unknown
Sample contains only a LOAD segment without any section mappings
Source: LOAD without section mappings Program segment: 0x100000
Yara signature match
Source: 5536.1.0000000000400000.0000000000411000.r-x.sdmp, type: MEMORY Matched rule: Linux_Trojan_Gafgyt_9e9530a7 reference_sample = 01da73e0d425b4d97c5ad75c49657f95618b394d09bd6be644eb968a3b894961, os = linux, severity = x86, creation_date = 2021-01-12, scan_context = file, memory, license = Elastic License v2, threat_name = Linux.Trojan.Gafgyt, fingerprint = d6ad6512051e87c8c35dc168d82edd071b122d026dce21d39b9782b3d6a01e50, id = 9e9530a7-ad4d-4a44-b764-437b7621052f, last_modified = 2021-09-16
Source: 5536.1.0000000000400000.0000000000411000.r-x.sdmp, type: MEMORY Matched rule: Linux_Trojan_Gafgyt_807911a2 os = linux, severity = x86, creation_date = 2021-01-12, scan_context = file, memory, license = Elastic License v2, threat_name = Linux.Trojan.Gafgyt, fingerprint = f409037091b7372f5a42bbe437316bd11c655e7a5fe1fcf83d1981cb5c4a389f, id = 807911a2-f6ec-4e65-924f-61cb065dafc6, last_modified = 2021-09-16
Source: 5536.1.0000000000400000.0000000000411000.r-x.sdmp, type: MEMORY Matched rule: Linux_Trojan_Gafgyt_d4227dbf reference_sample = 01da73e0d425b4d97c5ad75c49657f95618b394d09bd6be644eb968a3b894961, os = linux, severity = x86, creation_date = 2021-01-12, scan_context = file, memory, license = Elastic License v2, threat_name = Linux.Trojan.Gafgyt, fingerprint = 58c4b1d4d167876b64cfa10f609911a80284180e4db093917fea16fae8ccd4e3, id = d4227dbf-6ab4-4637-a6ba-0e604acaafb4, last_modified = 2021-09-16
Source: 5536.1.0000000000400000.0000000000411000.r-x.sdmp, type: MEMORY Matched rule: Linux_Trojan_Gafgyt_620087b9 reference_sample = 01da73e0d425b4d97c5ad75c49657f95618b394d09bd6be644eb968a3b894961, os = linux, severity = x86, creation_date = 2021-01-12, scan_context = file, memory, license = Elastic License v2, threat_name = Linux.Trojan.Gafgyt, fingerprint = 06cd7e6eb62352ec2ccb9ed48e58c0583c02fefd137cd048d053ab30b5330307, id = 620087b9-c87d-4752-89e8-ca1c16486b28, last_modified = 2021-09-16
Source: 5536.1.0000000000400000.0000000000411000.r-x.sdmp, type: MEMORY Matched rule: Linux_Trojan_Gafgyt_0cd591cd os = linux, severity = x86, creation_date = 2021-01-12, scan_context = file, memory, license = Elastic License v2, threat_name = Linux.Trojan.Gafgyt, fingerprint = 96c4ff70729ddb981adafd8c8277649a88a87e380d2f321dff53f0741675fb1b, id = 0cd591cd-c348-4c3a-a895-2063cf892cda, last_modified = 2021-09-16
Source: 5536.1.0000000000400000.0000000000411000.r-x.sdmp, type: MEMORY Matched rule: Linux_Trojan_Gafgyt_33b4111a reference_sample = 01da73e0d425b4d97c5ad75c49657f95618b394d09bd6be644eb968a3b894961, os = linux, severity = x86, creation_date = 2021-01-12, scan_context = file, memory, license = Elastic License v2, threat_name = Linux.Trojan.Gafgyt, fingerprint = 9c3b63b9a0f54006bae12abcefdb518904a85f78be573f0780f0a265b12d2d6e, id = 33b4111a-e59e-48db-9d74-34ca44fcd9f5, last_modified = 2021-09-16
Source: 5536.1.0000000000400000.0000000000411000.r-x.sdmp, type: MEMORY Matched rule: Linux_Trojan_Gafgyt_a33a8363 os = linux, severity = x86, creation_date = 2021-01-12, scan_context = file, memory, license = Elastic License v2, threat_name = Linux.Trojan.Gafgyt, fingerprint = 74f964eaadbf8f30d40cdec40b603c5141135d2e658e7ce217d0d6c62e18dd08, id = a33a8363-5511-4fe1-a0d8-75156b9ccfc7, last_modified = 2021-09-16
Source: 5536.1.0000000000400000.0000000000411000.r-x.sdmp, type: MEMORY Matched rule: Linux_Trojan_Mirai_520deeb8 os = linux, severity = x86, creation_date = 2021-01-12, scan_context = file, memory, license = Elastic License v2, threat_name = Linux.Trojan.Mirai, fingerprint = f4dfd1d76e07ff875eedfe0ef4f861bee1e4d8e66d68385f602f29cc35e30cca, id = 520deeb8-cbc0-4225-8d23-adba5e040471, last_modified = 2021-09-16
Source: 5536.1.0000000000400000.0000000000411000.r-x.sdmp, type: MEMORY Matched rule: Linux_Trojan_Mirai_6a77af0f os = linux, severity = x86, creation_date = 2021-01-12, scan_context = file, memory, license = Elastic License v2, threat_name = Linux.Trojan.Mirai, fingerprint = 4e436f509e7e732e3d0326bcbdde555bba0653213ddf31b43cfdfbe16abb0016, id = 6a77af0f-31fa-4793-82aa-10b065ba1ec0, last_modified = 2021-09-16
Source: 5536.1.0000000000400000.0000000000411000.r-x.sdmp, type: MEMORY Matched rule: Linux_Trojan_Mirai_01e4a728 os = linux, severity = x86, creation_date = 2021-01-12, scan_context = file, memory, license = Elastic License v2, threat_name = Linux.Trojan.Mirai, fingerprint = d90477364982bdc6cd22079c245d866454475749f762620273091f2fab73c196, id = 01e4a728-7c1c-479b-aed0-cb76d64dbb02, last_modified = 2021-09-16
Source: 5536.1.0000000000400000.0000000000411000.r-x.sdmp, type: MEMORY Matched rule: Linux_Trojan_Mirai_e0cf29e2 os = linux, severity = x86, creation_date = 2021-01-12, scan_context = file, memory, license = Elastic License v2, threat_name = Linux.Trojan.Mirai, fingerprint = 3f124c3c9f124264dfbbcca1e4b4d7cfcf3274170d4bf8966b6559045873948f, id = e0cf29e2-88d7-4aa4-b60a-c24626f2b246, last_modified = 2021-09-16
Source: classification engine Classification label: mal80.troj.evad.linELF@0/0@2/0

Data Obfuscation
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Sample is packed with UPX
Source: initial sample String containing UPX found: $Info: This file is packed with the UPX executable packer http://upx.sf.net $
Source: initial sample String containing UPX found: $Info: This file is packed with the UPX executable packer http://upx.sf.net $
Source: initial sample String containing UPX found: $Id: UPX 3.94 Copyright (C) 1996-2017 the UPX Team. All Rights Reserved. $
ELF contains segments with high entropy indicating compressed/encrypted content
Source: na.elf Submission file: segment LOAD with 7.9441 entropy (max. 8.0)

Stealing of Sensitive Information
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Yara detected Mirai
Source: Yara match File source: 5536.1.0000000000400000.0000000000411000.r-x.sdmp, type: MEMORY

Remote Access Functionality
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Yara detected Mirai
Source: Yara match File source: 5536.1.0000000000400000.0000000000411000.r-x.sdmp, type: MEMORY

No Screenshots

⊘No contacted IP infos

Contacted Domains

Name IP Active
daisy.ubuntu.com 162.213.35.25 true