MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ab2c81b73c7d432e5e762fdb6f851890608ab5ddfefcd71ac98bfa8251d3b934. 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: 8


Intelligence 8 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ab2c81b73c7d432e5e762fdb6f851890608ab5ddfefcd71ac98bfa8251d3b934
SHA3-384 hash: d2613e6e811702036f8485dc9cd8b6f3eb82238ae2e5d247488ed19dcc4ee0b5cfe7431bd5caba714390eb6a61089080
SHA1 hash: c59d89e1b5ca79300928793c138e5d6188be5964
MD5 hash: a906e8a502812386ff89d0cd7681ef76
humanhash: nitrogen-sad-fourteen-double
File name:nklarm5
Download: download sample
Signature Mirai
Create hunting rule
File size:75'028 bytes
First seen:2025-12-22 23:57:25 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:Ly46Je7nkiM46TreNqGE3XsEGAV4JOD/KCJPiTAbVR:Ly3YLy3XsRAVVD/KCFiTA
TLSH T195732A86B8819626CAD5627BFA2F42DC332613A8D2EF7207DD156F107B8682F0D3B541
telfhash t11641dbe79bf40faca7e08380c6cd91258af539ab6f043cd3c60cab5b8597681b41d432
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

Intelligence

File Origin
# of uploads :
1
# of downloads :
67
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Sanesecurity.Malware.31075.LX.BOT.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7755770-0
Create hunting rule

Unix.Trojan.Mirai-9885259-0
Create hunting rule

Unix.Trojan.Mirai-10008934-0
Create hunting rule

Unix.Trojan.Gafgyt-6735924-0
Create hunting rule

Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
rust
Link:
https://www.filescan.io/uploads/6949db1a84afa5547b5c643e/reports/24b10199-05dc-48ac-be39-cb3432bbbdee/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-22T20:11:00Z UTC
Last seen:
2025-12-22T20:28:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/ab2c81b73c7d432e5e762fdb6f851890608ab5ddfefcd71ac98bfa8251d3b934/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/ebb6ad60-4a63-49ba-a834-486349ce9858
Behavior Graph:
Download SVG
%3 guuid=c173cb24-1700-0000-cf93-12f4c20d0000 pid=3522 /usr/bin/sudo guuid=ca247a26-1700-0000-cf93-12f4c60d0000 pid=3526 /tmp/sample.bin guuid=c173cb24-1700-0000-cf93-12f4c20d0000 pid=3522->guuid=ca247a26-1700-0000-cf93-12f4c60d0000 pid=3526 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/21f2f448-fb64-4227-8e04-ec828d93bb7f
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj
Score:
52 / 100
Link:
https://www.joesandbox.com/analysis/1837967
Signature
Connects to many IPs within the same subnet mask (likely port scanning)
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1837967 Sample: nklarm5.elf Startdate: 23/12/2025 Architecture: LINUX Score: 52 18 176.238.242.88, 23 TURKCELL-ASTurkcellASTR Turkey 2->18 20 176.238.26.33, 23 TURKCELL-ASTurkcellASTR Turkey 2->20 22 100 other IPs or domains 2->22 24 Multi AV Scanner detection for submitted file 2->24 26 Connects to many IPs within the same subnet mask (likely port scanning) 2->26 8 nklarm5.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        signatures3 process4 process5 14 nklarm5.elf 8->14         started        process6 16 nklarm5.elf 14->16         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/ab2c81b73c7d432e5e762fdb6f851890608ab5ddfefcd71ac98bfa8251d3b934
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ab2c81b73c7d432e5e762fdb6f851890608ab5ddfefcd71ac98bfa8251d3b934/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-22 23:58:26 UTC
File Type:
ELF32 Little (Exe)
AV detection:
10 of 24 (41.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vmwidnz4pvbs4xtwf7nw7biysbqivno5736nogwjrp5ieuotxe2a._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Link:
https://tria.ge/reports/251222-31gfhayrfv/
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7755770-0
YARA:
n/a
Link:
https://app.threat.zone/submission/8615cdcf-d397-4d3a-8a6e-6565d5cbb17b
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/ab2c81b73c7d432e5e762fdb6f851890608ab5ddfefcd71ac98bfa8251d3b934

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_Threat_d94e1020
Create hunting rule
Author:Elastic Security
Rule name:unixredflags3
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags

File information

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

Web download

Mirai

elf ab2c81b73c7d432e5e762fdb6f851890608ab5ddfefcd71ac98bfa8251d3b934

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3739220/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3739426/

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