Linux Analysis Report
sshd.elf

Overview

General Information

Sample name: sshd.elf
Analysis ID: 1541997
MD5: bc194421821f82897b43a848b9a619bc
SHA1: 9a441dfa184d092796d3f5eaf0779795f9123f4f
SHA256: 353487cf5d9a00110812967ed4cee5c7936be8123bdcb9833c73c34034dc6d7a
Tags: elfuser-abuse_ch
Infos:

Detection

Score: 48
Range: 0 - 100
Whitelisted: false

Signatures

Multi AV Scanner detection for submitted file
Sample contains strings that are potentially command strings
Uses the "uname" system call to query kernel version information (possible evasion)

Classification

AV Detection
barindex
Multi AV Scanner detection for submitted file
Source: sshd.elf ReversingLabs: Detection: 21%
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: sshd.elf String found in binary or memory: http://www.openssl.org/support/faq.html
Source: sshd.elf String found in binary or memory: http://www.openssl.org/support/faq.htmlmd_rand.c
Sample contains strings that are potentially command strings
Source: Initial sample Potential command found: ssh server is locked, please try again %dmin after !!!
Source: Initial sample Potential command found: X11 forwarding
Source: Initial sample Potential command found: X11 forwarding disabled in user configuration file.
Source: Initial sample Potential command found: X11 forwarding disabled in server configuration file.
Source: Initial sample Potential command found: X11 display already set.
Source: Initial sample Potential command found: X11 connection requested.
Source: Initial sample Potential command found: X11 connection from %.200s port %d
Source: Initial sample Potential command found: X11 connection rejected because of wrong authentication.
Source: Initial sample Potential command found: X11 rejected %d i%d/o%d
Source: Initial sample Potential command found: X11 closed %d i%d/o%d
Source: Initial sample Potential command found: X11 inet listener
Source: Initial sample Potential command found: X11 connection uses different authentication protocol.
Source: Initial sample Potential command found: X11 auth data does not match fake data.
Source: Initial sample Potential command found: X11 fake_data_len %d != saved_data_len %d
Source: classification engine Classification label: mal48.linELF@0/0@2/0
Uses the "uname" system call to query kernel version information (possible evasion)
Source: /tmp/sshd.elf (PID: 5484) Queries kernel information via 'uname': Jump to behavior
Source: sshd.elf, 5484.1.00007ffe62ed2000.00007ffe62ef3000.rw-.sdmp Binary or memory string: x86_64/usr/bin/qemu-arm/tmp/sshd.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/sshd.elf
Source: sshd.elf, 5484.1.000055ce4bba1000.000055ce4bcad000.rw-.sdmp Binary or memory string: U!/etc/qemu-binfmt/arm
Source: sshd.elf, 5484.1.000055ce4bba1000.000055ce4bcad000.rw-.sdmp Binary or memory string: Urg.qemu.gdb.arm.sys.regs">
Source: sshd.elf, 5484.1.000055ce4bba1000.000055ce4bcad000.rw-.sdmp Binary or memory string: /etc/qemu-binfmt/arm
Source: sshd.elf, 5484.1.00007ffe62ed2000.00007ffe62ef3000.rw-.sdmp Binary or memory string: /usr/bin/qemu-arm
Source: sshd.elf, 5484.1.000055ce4bba1000.000055ce4bcad000.rw-.sdmp Binary or memory string: rg.qemu.gdb.arm.sys.regs">

No Screenshots

⊘No contacted IP infos

Contacted Domains

Name IP Active
daisy.ubuntu.com 162.213.35.25 true