MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 873e7425de4af8727a8ee0c642bfea3de997db98802e7985fc5900c8c4290e93. 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: 9


Intelligence 9 IOCs YARA 4 File information Comments

SHA256 hash: 873e7425de4af8727a8ee0c642bfea3de997db98802e7985fc5900c8c4290e93
SHA3-384 hash: aa00c7fe012805431b0e7fa34ba6c80509ed570410cb1c33fc507d6f77d4f9240f232350cf3292105b528f0c7623ed4a
SHA1 hash: b906f56a7ae22f5f84fba3d1d0e4f962ab75a6b0
MD5 hash: 9446460cab106ee7446343e073bbadf8
humanhash: winner-wisconsin-kansas-butter
File name:ocx86_64nk
Download: download sample
Signature Mirai
File size:60'568 bytes
First seen:2025-07-20 06:48:56 UTC
Last seen:2025-07-20 08:17:07 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:23hxDg4TPPaa//Uipojn0e85C5ANxV4Wp6xniwRj7qX98e:mLjPPa4/HGuA514SnvyXGe
TLSH T1A043F0BA119B0CF9E83298B2251FD650EA53EA0F6F6939E34A83217C1F355173E05C72
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 gafgyt mirai

Intelligence


File Origin
# of uploads :
3
# of downloads :
17
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Receives data from a server
Runs as daemon
Kills processes
Opens a port
Sends data to a server
Connection attempt
Substitutes an application name
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
packed upx
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
UPX
Botnet:
unknown
Number of open files:
0
Number of processes launched:
6
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=792c29d7-1a00-0000-dec3-fcea8c090000 pid=2444 /usr/bin/sudo guuid=cf9c87d9-1a00-0000-dec3-fcea90090000 pid=2448 /tmp/sample.bin mprotect-exec net guuid=792c29d7-1a00-0000-dec3-fcea8c090000 pid=2444->guuid=cf9c87d9-1a00-0000-dec3-fcea90090000 pid=2448 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=cf9c87d9-1a00-0000-dec3-fcea90090000 pid=2448->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=505641da-1a00-0000-dec3-fcea92090000 pid=2450 /tmp/sample.bin net send-data zombie guuid=cf9c87d9-1a00-0000-dec3-fcea90090000 pid=2448->guuid=505641da-1a00-0000-dec3-fcea92090000 pid=2450 clone 8e632d57-7de0-574f-8cc2-742f7016c27c 94.16.114.254:53 guuid=505641da-1a00-0000-dec3-fcea92090000 pid=2450->8e632d57-7de0-574f-8cc2-742f7016c27c send: 175B 6a956efa-a5a6-5809-af1c-92f91db3d8e8 156.238.225.44:8745 guuid=505641da-1a00-0000-dec3-fcea92090000 pid=2450->6a956efa-a5a6-5809-af1c-92f91db3d8e8 send: 45B
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
72 / 100
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Sends malformed DNS queries
Yara detected Mirai
Behaviour
Behavior Graph:
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-07-20 06:49:30 UTC
File Type:
ELF64 Little (Exe)
AV detection:
14 of 38 (36.84%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion discovery linux upx
Behaviour
Changes its process name
Creates a large amount of network flows
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:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
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 873e7425de4af8727a8ee0c642bfea3de997db98802e7985fc5900c8c4290e93

(this sample)

  
Delivery method
Distributed via web download

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh

Comments