Linux Analysis Report
gwX4DFn6ue.elf

Overview

General Information

Sample name: gwX4DFn6ue.elf
renamed because original name is a hash value
Original sample name: a07d402c16efd6e8b12ddd14441247d9.elf
Analysis ID: 1430211
MD5: a07d402c16efd6e8b12ddd14441247d9
SHA1: 687f76253f5b0d4ab856f61e2a3fddf2d6121878
SHA256: cf69f3c5682af506451e4f137d4e84daec473da18570e29fd170dc0ee2e33010
Tags: 32armelf
Infos:

Detection

Score: 56
Range: 0 - 100
Whitelisted: false

Signatures

Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
ELF contains segments with high entropy indicating compressed/encrypted content
Executes the "rm" command used to delete files or directories
Sample contains only a LOAD segment without any section mappings
Uses the "uname" system call to query kernel version information (possible evasion)

Classification

AV Detection
barindex
Antivirus / Scanner detection for submitted sample
Source: gwX4DFn6ue.elf Avira: detected
Multi AV Scanner detection for submitted file
Source: gwX4DFn6ue.elf ReversingLabs: Detection: 36%
Source: gwX4DFn6ue.elf Virustotal: Detection: 34% Perma Link
Source: unknown TCP traffic detected without corresponding DNS query: 54.247.62.1
Source: unknown TCP traffic detected without corresponding DNS query: 54.171.230.55
Source: unknown TCP traffic detected without corresponding DNS query: 54.171.230.55
Source: unknown TCP traffic detected without corresponding DNS query: 54.171.230.55
Source: unknown TCP traffic detected without corresponding DNS query: 54.171.230.55
Source: unknown TCP traffic detected without corresponding DNS query: 54.171.230.55
Source: unknown TCP traffic detected without corresponding DNS query: 54.171.230.55
Source: unknown TCP traffic detected without corresponding DNS query: 54.171.230.55
Source: unknown TCP traffic detected without corresponding DNS query: 54.171.230.55
Source: unknown TCP traffic detected without corresponding DNS query: 54.171.230.55
Source: unknown TCP traffic detected without corresponding DNS query: 54.171.230.55
Source: unknown TCP traffic detected without corresponding DNS query: 54.171.230.55
Source: unknown TCP traffic detected without corresponding DNS query: 54.171.230.55
Source: unknown TCP traffic detected without corresponding DNS query: 54.171.230.55
Source: unknown TCP traffic detected without corresponding DNS query: 54.171.230.55
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 HTTP traffic detected: GET / HTTP/1.1User-Agent: wget/1.20.3-1ubuntu1 Ubuntu/20.04.2/LTS GNU/Linux/5.4.0-72-generic/x86_64 Intel(R)/Xeon(R)/Silver/4210/CPU/@/2.20GHz cloud_id/noneAccept: */*Accept-Encoding: identityHost: motd.ubuntu.comConnection: Keep-Alive
Source: unknown DNS traffic detected: queries for: daisy.ubuntu.com
Source: unknown Network traffic detected: HTTP traffic on port 43384 -> 443
Source: unknown Network traffic detected: HTTP traffic on port 443 -> 37910
Source: unknown Network traffic detected: HTTP traffic on port 37910 -> 443
Sample contains only a LOAD segment without any section mappings
Source: LOAD without section mappings Program segment: 0x8000
Source: classification engine Classification label: mal56.linELF@0/0@2/0
Executes the "rm" command used to delete files or directories
Source: /usr/bin/dash (PID: 5549) Rm executable: /usr/bin/rm -> rm -f /tmp/tmp.fp4DJdWBoT /tmp/tmp.8HjWXLsyfB /tmp/tmp.nLnZo31oWc Jump to behavior
Source: /usr/bin/dash (PID: 5558) Rm executable: /usr/bin/rm -> rm -f /tmp/tmp.fp4DJdWBoT /tmp/tmp.8HjWXLsyfB /tmp/tmp.nLnZo31oWc Jump to behavior
ELF contains segments with high entropy indicating compressed/encrypted content
Source: gwX4DFn6ue.elf Submission file: segment LOAD with 7.9851 entropy (max. 8.0)
Uses the "uname" system call to query kernel version information (possible evasion)
Source: /tmp/gwX4DFn6ue.elf (PID: 5480) Queries kernel information via 'uname': Jump to behavior
Source: gwX4DFn6ue.elf, 5480.1.00007ffcdc11c000.00007ffcdc13d000.rw-.sdmp Binary or memory string: x86_64/usr/bin/qemu-arm/tmp/gwX4DFn6ue.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/gwX4DFn6ue.elf
Source: gwX4DFn6ue.elf, 5480.1.0000560f91e14000.0000560f91f42000.rw-.sdmp Binary or memory string: /etc/qemu-binfmt/arm
Source: gwX4DFn6ue.elf, 5480.1.00007ffcdc11c000.00007ffcdc13d000.rw-.sdmp Binary or memory string: /usr/bin/qemu-arm
Source: gwX4DFn6ue.elf, 5480.1.0000560f91e14000.0000560f91f42000.rw-.sdmp Binary or memory string: V!/etc/qemu-binfmt/arm
Source: gwX4DFn6ue.elf, 5480.1.00007ffcdc11c000.00007ffcdc13d000.rw-.sdmp Binary or memory string: qemu: uncaught target signal 11 (Segmentation fault) - core dumped

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
54.171.230.55
 unknown United States
16509 AMAZON-02US false
54.247.62.1
 unknown United States
16509 AMAZON-02US false

Contacted Domains

Name IP Active
daisy.ubuntu.com 162.213.35.25 true

Contacted URLs

Name Malicious Antivirus Detection Reputation
https://motd.ubuntu.com/ false
    		high