Open-source atomic malware analysis

Analyze another

return25.out

ELF
Verdict: SUSPICIOUS
Mal-ecule
O₂(IAs₄)H₆(CmCr₃Ds₂OsPoDb₂)Md₂(Bi₃He)
Size 1.7 MB download
First seen 115 days ago
Analyzed 108 days ago
Ecosystem elf_linux

Objectives

suspicious severity, 90% confident.
impact/ransom Ransomware file encryption status logging

Micro-behaviors

notable severity, 66% confident.
communications/socket Uses _connect socket call
notable severity, 75% confident.
crypto/kdf PBKDF2 key derivation
notable severity, 95% confident.
crypto/symmetric ChaCha20/Salsa20 cipher constant
notable severity, 90% confident.
dylib Dynamic library loading via dlopen
notable severity, 90% confident.
os/sysinfo Reference to VMware VMFS volumes path
notable severity, 90% confident.
process/create system() function call
baseline severity, 90% confident.
dylib/library GNU libstdc++ stdlib
baseline severity, 100% confident.
fs/path/device /dev/tty terminal device
baseline severity, 100% confident.
os Access /dev/urandom

Metadata

notable severity, 95% confident.
binary/section Non-empty initialization array section
baseline severity, 100% confident.
binary ELF program interpreter present
baseline severity, 100% confident.
binary/linking ELF program interpreter metadata
baseline severity, 100% confident.
binary::binary-format-checked Binary format is identified
baseline severity, 100% confident.
build ELF GNU build-id note present
baseline severity, 90% confident.
hardening::elf-dynamic-section-name ELF dynamic section name
baseline severity, 90% confident.
hardening::elf-dynstr-section-name ELF dynstr section name
baseline severity, 90% confident.
hardening::elf-dynsym-section-name ELF dynsym section name
baseline severity, 100% confident.
hardening::no-pie Binary is not position-independent (fixed load address)
baseline severity, 100% confident.
unsigned Binary is not digitally signed

20 of 35 traits shown

Identity

SHA-256 5bdc678ba73a3c444b2961894dfdd8f0b09dd83f2a2208d136cee96f841a097a
Filename return25.out

Origin

Source harvest
Feed dissect-malware
Ecosystem elf_linux

Timeline

First seen 24 Apr 2026 16:11 UTC
Last analyzed 30 Apr 2026 19:52 UTC
Last updated 17 Jun 2026 14:39 UTC

Labeling

Label bad
Traits version 7a19b