MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1520a0ba594304906d9d0a8b67c8ec6b55ab6ae6e36fff513a3386e2040fc256. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry



Mirai


Vendor detections: 10


Intelligence 10 IOCs YARA 3 File information Comments

SHA256 hash: 1520a0ba594304906d9d0a8b67c8ec6b55ab6ae6e36fff513a3386e2040fc256
SHA3-384 hash: bb14e19be63d5a0e684d246cbf1aba7305ac15d6dc5a3b96ad4062b8ba5b9ff55f1e50dfa7d5c2ab92f784d5a78fbf0b
SHA1 hash: dd3f6d0e72f71cd84e7e84810f7faaab66d73224
MD5 hash: 0aaf9b65b5a3a3a020b05cf7b87267f8
humanhash: october-happy-friend-west
File name:ocarm4nk
Download: download sample
Signature Mirai
File size:58'300 bytes
First seen:2025-07-20 03:47:55 UTC
Last seen:2025-07-20 05:26:41 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:5ieToG0Cx1xNTaHLdcMh76Oe6sQb93JX2W3dz6:5ieTp0CvxNTaHlWOBxB2MO
TLSH T1164301511DE1E925D0702E3AFC3D4B6FCE4509E8E0E173A4A94AFB55C49F10A2C98B97
TrID 50.1% (.) ELF Executable and Linkable format (Linux) (4022/12)
49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
Magika elf
Reporter abuse_ch
Tags:elf mirai UPX
File size (compressed) :58'300 bytes
File size (de-compressed) :158'368 bytes
Format:linux/arm
Unpacked file: 4c0c56b81e1779706f3fd050029c81ea4772605604b125c292b76a4c98e5d7ad

Intelligence


File Origin
# of uploads :
3
# of downloads :
17
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
packed upx
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
UPX
Botnet:
unknown
Number of open files:
0
Number of processes launched:
1
Processes remaning?
true
Remote TCP ports scanned:
not identified
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Behavior Graph:
%3 guuid=e04530c1-1a00-0000-0287-b3a1a80b0000 pid=2984 /usr/bin/sudo guuid=24ebd8c3-1a00-0000-0287-b3a1b20b0000 pid=2994 /tmp/sample.bin guuid=e04530c1-1a00-0000-0287-b3a1a80b0000 pid=2984->guuid=24ebd8c3-1a00-0000-0287-b3a1b20b0000 pid=2994 execve
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
64 / 100
Signature
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Sends malformed DNS queries
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1740313 Sample: ocarm4nk.elf Startdate: 20/07/2025 Architecture: LINUX Score: 64 15 octopus1337.geek. [malformed] 2->15 17 156.238.225.44, 56186, 7122 XHOSTSERVERUS Seychelles 2->17 19 5 other IPs or domains 2->19 21 Multi AV Scanner detection for submitted file 2->21 23 Yara detected Mirai 2->23 25 Sample is packed with UPX 2->25 7 ocarm4nk.elf 2->7         started        9 dash rm 2->9         started        11 dash rm 2->11         started        signatures3 27 Sends malformed DNS queries 15->27 process4 process5 13 ocarm4nk.elf 7->13         started       
Verdict:
Malicious
Threat:
HEUR:Backdoor.Linux.Mirai
Threat name:
Linux.Trojan.Svirtu
Status:
Malicious
First seen:
2025-07-20 03:36:57 UTC
File Type:
ELF32 Little (Exe)
AV detection:
13 of 24 (54.17%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion discovery upx
Behaviour
Reads runtime system information
Changes its process name
Modifies Watchdog functionality
Unexpected DNS network traffic destination
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:SUSP_ELF_LNX_UPX_Compressed_File
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:upx_packed_elf_v1
Author:RandomMalware

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf 1520a0ba594304906d9d0a8b67c8ec6b55ab6ae6e36fff513a3386e2040fc256

(this sample)

Comments