Linux Analysis Report
vwkjebwi686.elf

Overview

General Information

Sample name: vwkjebwi686.elf
Analysis ID: 1562599
MD5: 631f090c1133212882b3d513a6e5a5a3
SHA1: ad56b21d783f27b4d3df69250e4106b3057547d2
SHA256: 9f994925d0cfc6b62edb53f7d3192a28b616d79d7faf6f5063359c071540b9f9
Tags: elfuser-abuse_ch
Infos:

Detection

Score: 52
Range: 0 - 100
Whitelisted: false

Signatures

Malicious sample detected (through community Yara rule)
Machine Learning detection for sample
Executes the "rm" command used to delete files or directories
Tries to connect to HTTP servers, but all servers are down (expired dropper behavior)
Yara signature match

Classification

AV Detection
barindex
Machine Learning detection for sample
Source: vwkjebwi686.elf Joe Sandbox ML: detected
Tries to connect to HTTP servers, but all servers are down (expired dropper behavior)
Source: global traffic TCP traffic: 192.168.2.23:43928 -> 91.189.91.42:443
Source: global traffic TCP traffic: 192.168.2.23:42836 -> 91.189.91.43:443
Source: global traffic TCP traffic: 192.168.2.23:42516 -> 109.202.202.202:80
Source: unknown TCP traffic detected without corresponding DNS query: 91.189.91.42
Source: unknown TCP traffic detected without corresponding DNS query: 91.189.91.43
Source: unknown TCP traffic detected without corresponding DNS query: 109.202.202.202
Source: unknown TCP traffic detected without corresponding DNS query: 91.189.91.42
Source: unknown TCP traffic detected without corresponding DNS query: 91.189.91.43
Source: unknown TCP traffic detected without corresponding DNS query: 109.202.202.202
Source: unknown TCP traffic detected without corresponding DNS query: 91.189.91.42
Source: unknown Network traffic detected: HTTP traffic on port 43928 -> 443
Source: unknown Network traffic detected: HTTP traffic on port 42836 -> 443

System Summary
barindex
Malicious sample detected (through community Yara rule)
Source: vwkjebwi686.elf, type: SAMPLE Matched rule: Linux_Trojan_Mirai_268aac0b Author: unknown
Source: vwkjebwi686.elf, type: SAMPLE Matched rule: Linux_Trojan_Mirai_0cb1699c Author: unknown
Source: vwkjebwi686.elf, type: SAMPLE Matched rule: Linux_Trojan_Mirai_70ef58f1 Author: unknown
Source: vwkjebwi686.elf, type: SAMPLE Matched rule: Linux_Trojan_Mirai_2e3f67a9 Author: unknown
Source: vwkjebwi686.elf, type: SAMPLE Matched rule: Linux_Trojan_Mirai_88de437f Author: unknown
Yara signature match
Source: vwkjebwi686.elf, type: SAMPLE Matched rule: Linux_Trojan_Mirai_268aac0b reference_sample = 49c94d184d7e387c3efe34ae6f021e011c3046ae631c9733ab0a230d5fe28ead, os = linux, severity = x86, creation_date = 2021-01-12, scan_context = file, memory, license = Elastic License v2, threat_name = Linux.Trojan.Mirai, fingerprint = 9c581721bf82af7dc6482a2c41af5fb3404e01c82545c7b2b29230f707014781, id = 268aac0b-c5c7-4035-8381-4e182de91e32, last_modified = 2021-09-16
Source: vwkjebwi686.elf, type: SAMPLE Matched rule: Linux_Trojan_Mirai_0cb1699c reference_sample = fc8741f67f39e7409ab2c6c62d4f9acdd168d3e53cf6976dd87501833771cacb, os = linux, severity = x86, creation_date = 2021-01-12, scan_context = file, memory, license = Elastic License v2, threat_name = Linux.Trojan.Mirai, fingerprint = 6e44c68bba8c9fb53ac85080b9ad765579f027cabfea5055a0bb3a85b8671089, id = 0cb1699c-9a08-4885-aa7f-0f1ee2543cac, last_modified = 2021-09-16
Source: vwkjebwi686.elf, type: SAMPLE Matched rule: Linux_Trojan_Mirai_70ef58f1 reference_sample = fc8741f67f39e7409ab2c6c62d4f9acdd168d3e53cf6976dd87501833771cacb, os = linux, severity = x86, creation_date = 2021-01-12, scan_context = file, memory, license = Elastic License v2, threat_name = Linux.Trojan.Mirai, fingerprint = c46eac9185e5f396456004d1e0c42b54a9318e0450f797c55703122cfb8fea89, id = 70ef58f1-ac74-4e33-ae03-e68d1d5a4379, last_modified = 2021-09-16
Source: vwkjebwi686.elf, type: SAMPLE Matched rule: Linux_Trojan_Mirai_2e3f67a9 reference_sample = fc8741f67f39e7409ab2c6c62d4f9acdd168d3e53cf6976dd87501833771cacb, os = linux, severity = x86, creation_date = 2021-01-12, scan_context = file, memory, license = Elastic License v2, threat_name = Linux.Trojan.Mirai, fingerprint = 6a06815f3d2e5f1a7a67f4264953dbb2e9d14e5f3486b178da845eab5b922d4f, id = 2e3f67a9-6fd5-4457-a626-3a9015bdb401, last_modified = 2021-09-16
Source: vwkjebwi686.elf, type: SAMPLE Matched rule: Linux_Trojan_Mirai_88de437f reference_sample = 8dc745a6de6f319cd6021c3e147597315cc1be02099d78fc8aae94de0e1e4bc6, os = linux, severity = x86, creation_date = 2021-01-12, scan_context = file, memory, license = Elastic License v2, threat_name = Linux.Trojan.Mirai, fingerprint = c19eb595c2b444a809bef8500c20342c9f46694d3018e268833f9b884133a1ea, id = 88de437f-9c98-4e1d-96c0-7b433c99886a, last_modified = 2021-09-16
Source: classification engine Classification label: mal52.linELF@0/0@0/0
Executes the "rm" command used to delete files or directories
Source: /usr/bin/dash (PID: 6201) Rm executable: /usr/bin/rm -> rm -f /tmp/tmp.Rb0rnMx73G /tmp/tmp.1q0iCLCJwr /tmp/tmp.ZVC81Ci7Ku Jump to behavior
Source: /usr/bin/dash (PID: 6202) Rm executable: /usr/bin/rm -> rm -f /tmp/tmp.Rb0rnMx73G /tmp/tmp.1q0iCLCJwr /tmp/tmp.ZVC81Ci7Ku Jump to behavior
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
109.202.202.202
 unknown Switzerland
13030 INIT7CH false
91.189.91.43
 unknown United Kingdom
41231 CANONICAL-ASGB false
91.189.91.42
 unknown United Kingdom
41231 CANONICAL-ASGB false