Linux Analysis Report
iDBG5zauDp

Overview

General Information

Sample Name: iDBG5zauDp
Analysis ID: 680621
MD5: 10de4932e7ddff2d8fcc3e38d27cef47
SHA1: 5eb33f619776fe157dd623e89025fb60cf67fed2
SHA256: 72028d9e830bfd756157cbb1bf4fb2d0054716bf9f4d908333532dcba74ee131
Tags: 32elfgafgytmipsMirai
Infos:

Detection

Mirai
Score: 80
Range: 0 - 100
Whitelisted: false

Signatures

Malicious sample detected (through community Yara rule)
Antivirus / Scanner detection for submitted sample
Yara detected Mirai
Multi AV Scanner detection for submitted file
Contains symbols with names commonly found in malware
Opens /proc/net/* files useful for finding connected devices and routers
Yara signature match
Sample contains strings that are user agent strings indicative of HTTP manipulation
Uses the "uname" system call to query kernel version information (possible evasion)
Tries to connect to HTTP servers, but all servers are down (expired dropper behavior)
Detected TCP or UDP traffic on non-standard ports

Classification

AV Detection
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Antivirus / Scanner detection for submitted sample
Source: iDBG5zauDp Avira: detected
Multi AV Scanner detection for submitted file
Source: iDBG5zauDp Virustotal: Detection: 63% Perma Link
Source: iDBG5zauDp ReversingLabs: Detection: 60%

Spreading
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Opens /proc/net/* files useful for finding connected devices and routers
Source: /tmp/iDBG5zauDp (PID: 6230) Opens: /proc/net/route Jump to behavior
Tries to connect to HTTP servers, but all servers are down (expired dropper behavior)
Source: global traffic TCP traffic: 192.168.2.23:42836 -> 91.189.91.43:443
Source: global traffic TCP traffic: 192.168.2.23:42516 -> 109.202.202.202:80
Source: global traffic TCP traffic: 192.168.2.23:43928 -> 91.189.91.42:443
Detected TCP or UDP traffic on non-standard ports
Source: global traffic TCP traffic: 192.168.2.23:35072 -> 109.206.241.200:29448
Source: unknown Network traffic detected: HTTP traffic on port 43928 -> 443
Source: unknown Network traffic detected: HTTP traffic on port 42836 -> 443
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: 109.206.241.200
Source: unknown TCP traffic detected without corresponding DNS query: 109.206.241.200
Source: unknown TCP traffic detected without corresponding DNS query: 109.206.241.200
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: 109.206.241.200
Source: unknown TCP traffic detected without corresponding DNS query: 109.206.241.200
Source: unknown TCP traffic detected without corresponding DNS query: 91.189.91.42
Source: unknown TCP traffic detected without corresponding DNS query: 109.206.241.200
Source: unknown TCP traffic detected without corresponding DNS query: 109.206.241.200
Source: unknown TCP traffic detected without corresponding DNS query: 109.206.241.200
Source: unknown TCP traffic detected without corresponding DNS query: 109.206.241.200

System Summary
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Malicious sample detected (through community Yara rule)
Source: iDBG5zauDp, type: SAMPLE Matched rule: Linux_Trojan_Gafgyt_28a2fe0c Author: unknown
Source: 6234.1.00007f8360400000.00007f836041e000.r-x.sdmp, type: MEMORY Matched rule: Linux_Trojan_Gafgyt_28a2fe0c Author: unknown
Source: 6232.1.00007f8360400000.00007f836041e000.r-x.sdmp, type: MEMORY Matched rule: Linux_Trojan_Gafgyt_28a2fe0c Author: unknown
Source: 6230.1.00007f8360400000.00007f836041e000.r-x.sdmp, type: MEMORY Matched rule: Linux_Trojan_Gafgyt_28a2fe0c Author: unknown
Source: Process Memory Space: iDBG5zauDp PID: 6230, type: MEMORYSTR Matched rule: Linux_Trojan_Gafgyt_28a2fe0c Author: unknown
Source: Process Memory Space: iDBG5zauDp PID: 6232, type: MEMORYSTR Matched rule: Linux_Trojan_Gafgyt_28a2fe0c Author: unknown
Source: Process Memory Space: iDBG5zauDp PID: 6234, type: MEMORYSTR Matched rule: Linux_Trojan_Gafgyt_28a2fe0c Author: unknown
Contains symbols with names commonly found in malware
Source: ELF static info symbol of initial sample Name: vseattack
Yara signature match
Source: iDBG5zauDp, 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: 6234.1.00007f8360400000.00007f836041e000.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: 6232.1.00007f8360400000.00007f836041e000.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: 6230.1.00007f8360400000.00007f836041e000.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: Process Memory Space: iDBG5zauDp PID: 6230, 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: iDBG5zauDp PID: 6232, 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: iDBG5zauDp PID: 6234, 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: classification engine Classification label: mal80.spre.troj.lin@0/0@0/0
Source: iDBG5zauDp ELF static info symbol of initial sample: libc/string/mips/memcpy.S
Source: iDBG5zauDp ELF static info symbol of initial sample: libc/string/mips/memset.S
Source: iDBG5zauDp ELF static info symbol of initial sample: libc/sysdeps/linux/mips/crt1.S
Source: iDBG5zauDp ELF static info symbol of initial sample: libc/sysdeps/linux/mips/crti.S
Source: iDBG5zauDp ELF static info symbol of initial sample: libc/sysdeps/linux/mips/crtn.S
Source: iDBG5zauDp ELF static info symbol of initial sample: libc/sysdeps/linux/mips/pipe.S
Uses the "uname" system call to query kernel version information (possible evasion)
Source: /tmp/iDBG5zauDp (PID: 6230) Queries kernel information via 'uname': Jump to behavior
Source: iDBG5zauDp, 6230.1.000055eb0ce41000.000055eb0cec8000.rw-.sdmp, iDBG5zauDp, 6232.1.000055eb0ce41000.000055eb0cec8000.rw-.sdmp, iDBG5zauDp, 6234.1.000055eb0ce41000.000055eb0cec8000.rw-.sdmp Binary or memory string: /etc/qemu-binfmt/mipsel
Source: iDBG5zauDp, 6230.1.00007ffcf763b000.00007ffcf765c000.rw-.sdmp, iDBG5zauDp, 6232.1.00007ffcf763b000.00007ffcf765c000.rw-.sdmp, iDBG5zauDp, 6234.1.00007ffcf763b000.00007ffcf765c000.rw-.sdmp Binary or memory string: x86_64/usr/bin/qemu-mipsel/tmp/iDBG5zauDpSUDO_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/iDBG5zauDp
Source: iDBG5zauDp, 6230.1.000055eb0ce41000.000055eb0cec8000.rw-.sdmp, iDBG5zauDp, 6232.1.000055eb0ce41000.000055eb0cec8000.rw-.sdmp, iDBG5zauDp, 6234.1.000055eb0ce41000.000055eb0cec8000.rw-.sdmp Binary or memory string: U!/etc/qemu-binfmt/mipsel
Source: iDBG5zauDp, 6230.1.00007ffcf763b000.00007ffcf765c000.rw-.sdmp, iDBG5zauDp, 6232.1.00007ffcf763b000.00007ffcf765c000.rw-.sdmp, iDBG5zauDp, 6234.1.00007ffcf763b000.00007ffcf765c000.rw-.sdmp Binary or memory string: /usr/bin/qemu-mipsel

Stealing of Sensitive Information
barindex
Yara detected Mirai
Source: Yara match File source: iDBG5zauDp, type: SAMPLE
Source: Yara match File source: 6234.1.00007f8360400000.00007f836041e000.r-x.sdmp, type: MEMORY
Source: Yara match File source: 6232.1.00007f8360400000.00007f836041e000.r-x.sdmp, type: MEMORY
Source: Yara match File source: 6230.1.00007f8360400000.00007f836041e000.r-x.sdmp, type: MEMORY
Sample contains strings that are user agent strings indicative of HTTP manipulation
Source: Initial sample User agent string found: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; pl) Opera 11.00
Source: Initial sample User agent string found: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.0; en) Opera 11.00
Source: Initial sample User agent string found: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.0; ja) Opera 11.00
Source: Initial sample User agent string found: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; de) Opera 11.01
Source: Initial sample User agent string found: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; fr) Opera 11.00
Source: Initial sample User agent string found: Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/50.0.2661.102 Safari/537.36
Source: Initial sample User agent string found: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/51.0.2704.79 Safari/537.36
Source: Initial sample User agent string found: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:45.0) Gecko/20100101 Firefox/45.0
Source: Initial sample User agent string found: Mozilla/5.0 (iPhone; CPU iPhone OS 8_4 like Mac OS X) AppleWebKit/600.1.4 (KHTML, like Gecko) Version/8.0 Mobile/12H143 Safari/600.1.4
Source: Initial sample User agent string found: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:41.0) Gecko/20100101 Firefox/41.0
Source: Initial sample User agent string found: Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/45.0.2454.101 Safari/537.36
Source: Initial sample User agent string found: Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2490.80 Safari/537.36
Source: Initial sample User agent string found: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11) AppleWebKit/601.1.56 (KHTML, like Gecko) Version/9.0 Safari/601.1.56
Source: Initial sample User agent string found: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_1) AppleWebKit/601.2.7 (KHTML, like Gecko) Version/9.0.1 Safari/601.2.7
Source: Initial sample User agent string found: Mozilla/5.0 (Windows NT 6.1; WOW64; Trident/7.0; rv:11.0) like Gecko
Source: Initial sample User agent string found: Opera/9.80 (Windows NT 5.2; U; ru) Presto/2.5.22 Version/10.51
Source: Initial sample User agent string found: Opera/9.80 (X11; Linux i686; Ubuntu/14.10) Presto/2.12.388 Version/12.16
Source: Initial sample User agent string found: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_9_3) AppleWebKit/537.75.14 (KHTML, like Gecko) Version/7.0.3 Safari/7046A194A
Source: Initial sample User agent string found: Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/50.0.2661.102 Safari/537.36
Source: Initial sample User agent string found: Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/50.0.2661.94 Safari/537.36
Source: Initial sample User agent string found: Mozilla/5.0 (Linux; Android 4.4.3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/50.0.2661.89 Mobile Safari/537.36
Source: Initial sample User agent string found: Mozilla/5.0 (Linux; Android 4.4.3; HTC_0PCV2 Build/KTU84L) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/33.0.0.0 Mobile Safari/537.36
Source: Initial sample User agent string found: Mozilla/4.0 (compatible; MSIE 8.0; X11; Linux x86_64; pl) Opera 11.00
Source: Initial sample User agent string found: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.6; rv:25.0) Gecko/20100101 Firefox/25.0
Source: Initial sample User agent string found: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.8; rv:21.0) Gecko/20100101 Firefox/21.0
Source: Initial sample User agent string found: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.8; rv:24.0) Gecko/20100101 Firefox/24.0
Source: Initial sample User agent string found: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_10; rv:33.0) Gecko/20100101 Firefox/33.0

Remote Access Functionality
barindex
Yara detected Mirai
Source: Yara match File source: iDBG5zauDp, type: SAMPLE
Source: Yara match File source: 6234.1.00007f8360400000.00007f836041e000.r-x.sdmp, type: MEMORY
Source: Yara match File source: 6232.1.00007f8360400000.00007f836041e000.r-x.sdmp, type: MEMORY
Source: Yara match File source: 6230.1.00007f8360400000.00007f836041e000.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
109.206.241.200
 unknown Germany
209929 AWMLTNL false
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