Linux Analysis Report
xd.mips.elf

Overview

General Information

Sample name: xd.mips.elf
Analysis ID: 1669036
MD5: fc607672bc8bff804f44c2ec3afab7d8
SHA1: 525b20152489b0f2492c3b78ce1ef8b0e3a44f05
SHA256: 9a0e439001ac7a514be7182ec15f0defcd39c918629e006f5223cd407d5412fa
Tags: elfuser-abuse_ch
Infos:

Detection

Score: 60
Range: 0 - 100

Signatures

Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Detected TCP or UDP traffic on non-standard ports
ELF contains segments with high entropy indicating compressed/encrypted content
Sample contains only a LOAD segment without any section mappings
Sample listens on a socket
Tries to connect to HTTP servers, but all servers are down (expired dropper behavior)
Uses the "uname" system call to query kernel version information (possible evasion)
Yara signature match

Classification

RansomwareSpreadingPhishingBankerTrojan / BotAdwareSpywareExploiterEvaderMinercleansuspiciousmalicious

AV Detection
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Multi AV Scanner detection for submitted file
Source: xd.mips.elf Virustotal: Detection: 34% Perma Link
Source: xd.mips.elf ReversingLabs: Detection: 38%
Detected TCP or UDP traffic on non-standard ports
Source: global traffic TCP traffic: 192.168.2.23:60832 -> 209.141.33.93:5538
Sample listens on a socket
Source: /tmp/xd.mips.elf (PID: 6251) Socket: 192.168.2.23:9473 Jump to behavior
Tries to connect to HTTP servers, but all servers are down (expired dropper behavior)
Source: global traffic TCP traffic: 192.168.2.23:43928 -> 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: 209.141.33.93
Source: unknown TCP traffic detected without corresponding DNS query: 209.141.33.93
Source: unknown TCP traffic detected without corresponding DNS query: 209.141.33.93
Source: unknown TCP traffic detected without corresponding DNS query: 209.141.33.93
Source: unknown TCP traffic detected without corresponding DNS query: 109.202.202.202
Source: unknown TCP traffic detected without corresponding DNS query: 209.141.33.93
Source: unknown TCP traffic detected without corresponding DNS query: 209.141.33.93
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: 209.141.33.93
Source: unknown TCP traffic detected without corresponding DNS query: 109.202.202.202
Source: unknown TCP traffic detected without corresponding DNS query: 209.141.33.93
Source: unknown TCP traffic detected without corresponding DNS query: 91.189.91.42
Source: unknown TCP traffic detected without corresponding DNS query: 209.141.33.93
Source: unknown TCP traffic detected without corresponding DNS query: 209.141.33.93
Source: unknown TCP traffic detected without corresponding DNS query: 209.141.33.93
Source: unknown TCP traffic detected without corresponding DNS query: 91.189.91.43
Source: unknown TCP traffic detected without corresponding DNS query: 209.141.33.93
Source: unknown TCP traffic detected without corresponding DNS query: 209.141.33.93
Source: unknown TCP traffic detected without corresponding DNS query: 209.141.33.93
Source: xd.mips.elf String found in binary or memory: http://upx.sf.net
Source: unknown Network traffic detected: HTTP traffic on port 43928 -> 443
Source: unknown Network traffic detected: HTTP traffic on port 42836 -> 443

System Summary
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Malicious sample detected (through community Yara rule)
Source: 6251.1.00007f2dd0400000.00007f2dd040e000.r-x.sdmp, type: MEMORY Matched rule: Linux_Trojan_Gafgyt_28a2fe0c Author: unknown
Source: Process Memory Space: xd.mips.elf PID: 6251, type: MEMORYSTR Matched rule: Linux_Trojan_Gafgyt_28a2fe0c Author: unknown
Sample contains only a LOAD segment without any section mappings
Source: LOAD without section mappings Program segment: 0x100000
Yara signature match
Source: 6251.1.00007f2dd0400000.00007f2dd040e000.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: xd.mips.elf PID: 6251, 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: mal60.evad.linELF@0/0@0/0

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: xd.mips.elf Submission file: segment LOAD with 7.8397 entropy (max. 8.0)
Uses the "uname" system call to query kernel version information (possible evasion)
Source: /tmp/xd.mips.elf (PID: 6251) Queries kernel information via 'uname': Jump to behavior
Source: xd.mips.elf, 6251.1.00005559b2aec000.00005559b2b73000.rw-.sdmp Binary or memory string: /etc/qemu-binfmt/mips
Source: xd.mips.elf, 6251.1.00007ffeac120000.00007ffeac141000.rw-.sdmp Binary or memory string: x86_64/usr/bin/qemu-mips/tmp/xd.mips.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/xd.mips.elf
Source: xd.mips.elf, 6251.1.00007ffeac120000.00007ffeac141000.rw-.sdmp Binary or memory string: /usr/bin/qemu-mips
Source: xd.mips.elf, 6251.1.00005559b2aec000.00005559b2b73000.rw-.sdmp Binary or memory string: YU!/etc/qemu-binfmt/mips
windows-stand
Behavior
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Slideshow Behavior Animation
  • 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
209.141.33.93
 unknown United States
53667 PONYNETUS 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