Linux Analysis Report JoLmvC65B7

Overview

General Information

Sample Name: JoLmvC65B7
Analysis ID: 510732
MD5: bf3f2ff4fddfe977fa0194ff164efd12
SHA1: 99fa9485d924e870d2ae75581dda10471618a2da
SHA256: 554e49031772da9d4ca380c8993e6535fe9a4861ca793723c45ac19a4a38d806
Tags: 32armelfgafgyt
Infos:

Detection

Score: 56
Range: 0 - 100
Whitelisted: false

Signatures

Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
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)
Detected TCP or UDP traffic on non-standard ports

Classification

AV Detection:

barindex
Antivirus / Scanner detection for submitted sample
Source: JoLmvC65B7 Avira: detected
Multi AV Scanner detection for submitted file
Source: JoLmvC65B7 Virustotal: Detection: 60% Perma Link
Source: JoLmvC65B7 ReversingLabs: Detection: 62%

Networking:

barindex
Tries to connect to HTTP servers, but all servers are down (expired dropper behavior)
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: global traffic TCP traffic: 192.168.2.23:42836 -> 91.189.91.43:443
Detected TCP or UDP traffic on non-standard ports
Source: global traffic TCP traffic: 192.168.2.23:52604 -> 45.148.120.226:666
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: 109.202.202.202
Source: unknown TCP traffic detected without corresponding DNS query: 45.148.120.226
Source: unknown TCP traffic detected without corresponding DNS query: 45.148.120.226
Source: unknown TCP traffic detected without corresponding DNS query: 45.148.120.226
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: 45.148.120.226
Source: unknown TCP traffic detected without corresponding DNS query: 45.148.120.226
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: 45.148.120.226
Source: unknown TCP traffic detected without corresponding DNS query: 45.148.120.226
Source: unknown TCP traffic detected without corresponding DNS query: 45.148.120.226
Source: unknown TCP traffic detected without corresponding DNS query: 45.148.120.226
Source: unknown TCP traffic detected without corresponding DNS query: 45.148.120.226
Source: unknown TCP traffic detected without corresponding DNS query: 45.148.120.226
Source: unknown TCP traffic detected without corresponding DNS query: 45.148.120.226
Source: unknown TCP traffic detected without corresponding DNS query: 45.148.120.226
Source: unknown TCP traffic detected without corresponding DNS query: 45.148.120.226
Source: unknown TCP traffic detected without corresponding DNS query: 45.148.120.226
Source: unknown TCP traffic detected without corresponding DNS query: 45.148.120.226
Source: unknown TCP traffic detected without corresponding DNS query: 45.148.120.226
Source: classification engine Classification label: mal56.lin@0/0@0/0
Source: JoLmvC65B7 Joe Sandbox Cloud Basic: Detection: clean Score: 0 Perma Link
Source: ELF static info symbol of initial sample FILE: /home/firmware/build/temp-armv4l/gcc-core/gcc/config/arm/lib1funcs.asm
Source: ELF static info symbol of initial sample FILE: /home/firmware/build/temp-armv4l/gcc-core/gcc/config/arm/lib1funcs.asm
Source: ELF static info symbol of initial sample FILE: /home/firmware/build/temp-armv4l/gcc-core/gcc/config/arm/lib1funcs.asm
Source: ELF static info symbol of initial sample FILE: /home/firmware/build/temp-armv4l/gcc-core/gcc/config/arm/lib1funcs.asm
Source: ELF static info symbol of initial sample FILE: /home/firmware/build/temp-armv4l/gcc-core/gcc/config/arm/lib1funcs.asm
Source: ELF static info symbol of initial sample FILE: /home/firmware/build/temp-armv4l/gcc-core/gcc/config/arm/lib1funcs.asm
Source: ELF static info symbol of initial sample FILE: /home/firmware/build/temp-armv4l/gcc-core/gcc/config/arm/lib1funcs.asm
Source: ELF static info symbol of initial sample FILE: /home/firmware/build/temp-armv4l/gcc-core/gcc/config/arm/lib1funcs.asm
Source: ELF static info symbol of initial sample FILE: /home/firmware/build/temp-armv4l/gcc-core/gcc/config/arm/lib1funcs.asm
Source: ELF static info symbol of initial sample FILE: libc/string/arm/_memcpy.S
Source: ELF static info symbol of initial sample FILE: libc/string/arm/bcopy.S
Source: ELF static info symbol of initial sample FILE: libc/string/arm/memcpy.S
Source: ELF static info symbol of initial sample FILE: libc/string/arm/memmove.S
Source: ELF static info symbol of initial sample FILE: libc/string/arm/memset.S
Source: ELF static info symbol of initial sample FILE: libc/string/arm/strcmp.S
Source: ELF static info symbol of initial sample FILE: libc/string/arm/strlen.S
Source: ELF static info symbol of initial sample FILE: libc/sysdeps/linux/arm/crt1.S
Source: ELF static info symbol of initial sample FILE: libc/sysdeps/linux/arm/crti.S
Source: ELF static info symbol of initial sample FILE: libc/sysdeps/linux/arm/crtn.S
Source: ELF static info symbol of initial sample FILE: libc/sysdeps/linux/arm/sigrestorer.S
Source: ELF static info symbol of initial sample FILE: libc/sysdeps/linux/arm/vfork.S

Malware Analysis System Evasion:

barindex
Uses the "uname" system call to query kernel version information (possible evasion)
Source: /tmp/JoLmvC65B7 (PID: 5243) Queries kernel information via 'uname': Jump to behavior
Source: JoLmvC65B7, 5243.1.000000002c793c57.00000000f1d28d36.rw-.sdmp Binary or memory string: U!/etc/qemu-binfmt/arm
Source: JoLmvC65B7, 5243.1.0000000070666a21.00000000ac0373ce.rw-.sdmp Binary or memory string: x86_64/usr/bin/qemu-arm/tmp/JoLmvC65B7SUDO_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/JoLmvC65B7
Source: JoLmvC65B7, 5243.1.000000002c793c57.00000000f1d28d36.rw-.sdmp Binary or memory string: /etc/qemu-binfmt/arm
Source: JoLmvC65B7, 5243.1.0000000070666a21.00000000ac0373ce.rw-.sdmp Binary or memory string: /usr/bin/qemu-arm

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
45.148.120.226
 unknown Netherlands
64425 SKB-ENTERPRISENL false
109.202.202.202
 unknown Switzerland
13030 INIT7CH false
91.189.91.43
 unknown United Kingdom
41231 CANONICAL-ASGB false
91.189.91.42
 unknown United Kingdom
41231 CANONICAL-ASGB false