Linux Analysis Report
RpcSecurity.ppc.elf

Overview

General Information

Sample name: RpcSecurity.ppc.elf
Analysis ID: 1581158
MD5: acf3af534c08142a00aa4bada685b7be
SHA1: 018638329faf9757b8574286b3e9d582c020729c
SHA256: 71a9276d5bf24b2daeb299b2851366a1d64faa4868dddf21b930f4f41f6787df
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
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

AV Detection
barindex
Antivirus / Scanner detection for submitted sample
Source: RpcSecurity.ppc.elf Avira: detected
Multi AV Scanner detection for submitted file
Source: RpcSecurity.ppc.elf Virustotal: Detection: 65% Perma Link
Source: RpcSecurity.ppc.elf ReversingLabs: Detection: 65%
Sample listens on a socket
Source: /tmp/RpcSecurity.ppc.elf (PID: 5500) Socket: 192.168.2.14:9473 Jump to behavior
Tries to connect to HTTP servers, but all servers are down (expired dropper behavior)
Source: global traffic TCP traffic: 192.168.2.14:46540 -> 185.125.190.26:443
Source: unknown TCP traffic detected without corresponding DNS query: 185.125.190.26
Source: unknown TCP traffic detected without corresponding DNS query: 185.125.190.26
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: unknown Network traffic detected: HTTP traffic on port 46540 -> 443

System Summary
barindex
Malicious sample detected (through community Yara rule)
Source: RpcSecurity.ppc.elf, type: SAMPLE Matched rule: Linux_Trojan_Gafgyt_28a2fe0c Author: unknown
Source: 5500.1.00007fcbac001000.00007fcbac00f000.r-x.sdmp, type: MEMORY Matched rule: Linux_Trojan_Gafgyt_28a2fe0c Author: unknown
Source: Process Memory Space: RpcSecurity.ppc.elf PID: 5500, 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.ppc.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: 5500.1.00007fcbac001000.00007fcbac00f000.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.ppc.elf PID: 5500, 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.ppc.elf (PID: 5500) Queries kernel information via 'uname': Jump to behavior
Source: RpcSecurity.ppc.elf, 5500.1.00007ffe8c929000.00007ffe8c94a000.rw-.sdmp Binary or memory string: x86_64/usr/bin/qemu-ppc/tmp/RpcSecurity.ppc.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.ppc.elf
Source: RpcSecurity.ppc.elf, 5500.1.0000558236b9c000.0000558236c4c000.rw-.sdmp Binary or memory string: !/etc/qemu-binfmt/ppc1
Source: RpcSecurity.ppc.elf, 5500.1.0000558236b9c000.0000558236c4c000.rw-.sdmp Binary or memory string: /etc/qemu-binfmt/ppc
Source: RpcSecurity.ppc.elf, 5500.1.00007ffe8c929000.00007ffe8c94a000.rw-.sdmp Binary or memory string: /usr/bin/qemu-ppc
Source: RpcSecurity.ppc.elf, 5500.1.00007ffe8c929000.00007ffe8c94a000.rw-.sdmp Binary or memory string: qemu: uncaught target signal 11 (Segmentation fault) - core dumped
windows-stand
  • 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
185.125.190.26
 unknown United Kingdom
41231 CANONICAL-ASGB false

Contacted Domains

Name IP Active
daisy.ubuntu.com 162.213.35.25 true