Linux Analysis Report
RpcSecurity.arm.elf

Overview

General Information

Sample name: RpcSecurity.arm.elf
Analysis ID: 1581157
MD5: 7f662812ede5182b5c29a0fbc2ea1194
SHA1: 3039b2fec557819f487e25914342ea71c40f8f82
SHA256: efc7165c2ae8f899dac4591c910166d8e9b11af6393947ea06ed365432389ece
Tags: elfGafgytuser-lontze7
Infos:

Detection

Score: 64
Range: 0 - 100
Whitelisted: false

Signatures

Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample has stripped symbol table
Sample listens on a socket
Uses the "uname" system call to query kernel version information (possible evasion)
Yara signature match

Classification

AV Detection
barindex
Antivirus / Scanner detection for submitted sample
Source: RpcSecurity.arm.elf Avira: detected
Multi AV Scanner detection for submitted file
Source: RpcSecurity.arm.elf Virustotal: Detection: 62% Perma Link
Source: RpcSecurity.arm.elf ReversingLabs: Detection: 65%
Sample listens on a socket
Source: /tmp/RpcSecurity.arm.elf (PID: 5538) Socket: 192.168.2.15:9473 Jump to behavior
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

System Summary
barindex
Malicious sample detected (through community Yara rule)
Source: RpcSecurity.arm.elf, type: SAMPLE Matched rule: Linux_Trojan_Gafgyt_28a2fe0c Author: unknown
Source: 5538.1.00007f4e9c017000.00007f4e9c026000.r-x.sdmp, type: MEMORY Matched rule: Linux_Trojan_Gafgyt_28a2fe0c Author: unknown
Source: Process Memory Space: RpcSecurity.arm.elf PID: 5538, type: MEMORYSTR Matched rule: Linux_Trojan_Gafgyt_28a2fe0c Author: unknown
Sample has stripped symbol table
Source: ELF static info symbol of initial sample .symtab present: no
Yara signature match
Source: RpcSecurity.arm.elf, 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: 5538.1.00007f4e9c017000.00007f4e9c026000.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: RpcSecurity.arm.elf PID: 5538, 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: mal64.linELF@0/0@2/0
Uses the "uname" system call to query kernel version information (possible evasion)
Source: /tmp/RpcSecurity.arm.elf (PID: 5538) Queries kernel information via 'uname': Jump to behavior
Source: RpcSecurity.arm.elf, 5538.1.000055a8c41c6000.000055a8c42f4000.rw-.sdmp Binary or memory string: U!/etc/qemu-binfmt/arm
Source: RpcSecurity.arm.elf, 5538.1.00007ffeb2ec4000.00007ffeb2ee5000.rw-.sdmp Binary or memory string: #x86_64/usr/bin/qemu-arm/tmp/RpcSecurity.arm.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/RpcSecurity.arm.elf
Source: RpcSecurity.arm.elf, 5538.1.000055a8c41c6000.000055a8c42f4000.rw-.sdmp Binary or memory string: /etc/qemu-binfmt/arm
Source: RpcSecurity.arm.elf, 5538.1.00007ffeb2ec4000.00007ffeb2ee5000.rw-.sdmp Binary or memory string: /usr/bin/qemu-arm
Source: RpcSecurity.arm.elf, 5538.1.00007ffeb2ec4000.00007ffeb2ee5000.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 162.213.35.24 true