Linux Analysis Report
6JKoY21jPz.elf

Overview

General Information

Sample Name: 6JKoY21jPz.elf
Analysis ID: 780240
MD5: d226dd27e57c448b59dd2ec2c1df241f
SHA1: a5f769b04594653a9e06a29852ec797b505dd224
SHA256: 488d0cf1a62b6096c3bc56270246f919a03c0c7783cce8e4ff1cba515ed05c8e
Tags: 32armelfgafgyt
Infos:

Detection

Score: 52
Range: 0 - 100
Whitelisted: false

Signatures

Multi AV Scanner detection for submitted file
Contains symbols with names commonly found in malware
Uses the "uname" system call to query kernel version information (possible evasion)
Tries to connect to HTTP servers, but all servers are down (expired dropper behavior)

Classification

AV Detection
barindex
Multi AV Scanner detection for submitted file
Source: 6JKoY21jPz.elf ReversingLabs: Detection: 38%
Tries to connect to HTTP servers, but all servers are down (expired dropper behavior)
Source: global traffic TCP traffic: 192.168.2.23:42836 -> 91.189.91.43:443
Source: global traffic TCP traffic: 192.168.2.23:42516 -> 109.202.202.202:80
Source: global traffic TCP traffic: 192.168.2.23:43928 -> 91.189.91.42:443
Source: unknown Network traffic detected: HTTP traffic on port 43928 -> 443
Source: unknown Network traffic detected: HTTP traffic on port 42836 -> 443
Source: unknown TCP traffic detected without corresponding DNS query: 91.189.91.43
Source: unknown TCP traffic detected without corresponding DNS query: 109.202.202.202
Source: unknown TCP traffic detected without corresponding DNS query: 91.189.91.42
Source: unknown TCP traffic detected without corresponding DNS query: 91.189.91.43
Source: unknown TCP traffic detected without corresponding DNS query: 109.202.202.202
Source: unknown TCP traffic detected without corresponding DNS query: 91.189.91.42
Source: unknown TCP traffic detected without corresponding DNS query: 206.251.182.74
Source: unknown TCP traffic detected without corresponding DNS query: 112.185.177.217
Source: unknown TCP traffic detected without corresponding DNS query: 1.211.105.109

System Summary
barindex
Contains symbols with names commonly found in malware
Source: ELF static info symbol of initial sample Name: attack_list
Source: classification engine Classification label: mal52.linELF@0/0@0/0
Source: 6JKoY21jPz.elf ELF static info symbol of initial sample: /home/landley/work/ab7/build/temp-armv6l/gcc-core/gcc/config/arm/lib1funcs.asm
Source: 6JKoY21jPz.elf ELF static info symbol of initial sample: /home/landley/work/ab7/build/temp-armv6l/gcc-core/gcc/config/arm/lib1funcs.asm
Source: 6JKoY21jPz.elf ELF static info symbol of initial sample: /home/landley/work/ab7/build/temp-armv6l/gcc-core/gcc/config/arm/lib1funcs.asm
Source: 6JKoY21jPz.elf ELF static info symbol of initial sample: libc/string/arm/_memcpy.S
Source: 6JKoY21jPz.elf ELF static info symbol of initial sample: libc/string/arm/memcpy.S
Source: 6JKoY21jPz.elf ELF static info symbol of initial sample: libc/string/arm/memset.S
Source: 6JKoY21jPz.elf ELF static info symbol of initial sample: libc/string/arm/strcmp.S
Source: 6JKoY21jPz.elf ELF static info symbol of initial sample: libc/string/arm/strlen.S
Source: 6JKoY21jPz.elf ELF static info symbol of initial sample: libc/sysdeps/linux/arm/crt1.S
Source: 6JKoY21jPz.elf ELF static info symbol of initial sample: libc/sysdeps/linux/arm/crti.S
Source: 6JKoY21jPz.elf ELF static info symbol of initial sample: libc/sysdeps/linux/arm/crtn.S
Source: 6JKoY21jPz.elf ELF static info symbol of initial sample: libc/sysdeps/linux/arm/sigrestorer.S
Uses the "uname" system call to query kernel version information (possible evasion)
Source: /tmp/6JKoY21jPz.elf (PID: 6235) Queries kernel information via 'uname': Jump to behavior
Source: 6JKoY21jPz.elf, 6235.1.00007ffd5b8f5000.00007ffd5b916000.rw-.sdmp, 6JKoY21jPz.elf, 6237.1.00007ffd5b8f5000.00007ffd5b916000.rw-.sdmp Binary or memory string: x86_64/usr/bin/qemu-arm/tmp/6JKoY21jPz.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/6JKoY21jPz.elf
Source: 6JKoY21jPz.elf, 6235.1.00005589c3ee6000.00005589c4014000.rw-.sdmp, 6JKoY21jPz.elf, 6237.1.00005589c3ee6000.00005589c4014000.rw-.sdmp Binary or memory string: U!/etc/qemu-binfmt/arm
Source: 6JKoY21jPz.elf, 6235.1.00005589c3ee6000.00005589c4014000.rw-.sdmp, 6JKoY21jPz.elf, 6237.1.00005589c3ee6000.00005589c4014000.rw-.sdmp Binary or memory string: /etc/qemu-binfmt/arm
Source: 6JKoY21jPz.elf, 6235.1.00007ffd5b8f5000.00007ffd5b916000.rw-.sdmp, 6JKoY21jPz.elf, 6237.1.00007ffd5b8f5000.00007ffd5b916000.rw-.sdmp Binary or memory string: /usr/bin/qemu-arm
Source: 6JKoY21jPz.elf, 6237.1.00007ffd5b8f5000.00007ffd5b916000.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
112.185.177.217
 unknown Korea Republic of
4766 KIXS-AS-KRKoreaTelecomKR false
1.211.105.109
 unknown Korea Republic of
3786 LGDACOMLGDACOMCorporationKR false
109.202.202.202
 unknown Switzerland
13030 INIT7CH false
91.189.91.43
 unknown United Kingdom
41231 CANONICAL-ASGB false
206.251.182.74
 unknown United States
21748 SKYCOM1US false
91.189.91.42
 unknown United Kingdom
41231 CANONICAL-ASGB false