MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1b77c15043203b671a0cbbc87a6841fee36b75f4b52b0a0a60e1f2d77139009d. 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 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1b77c15043203b671a0cbbc87a6841fee36b75f4b52b0a0a60e1f2d77139009d
SHA3-384 hash: 6c48a30dd599f620974ada186183a9f72d7ebf1cda8246dab736f64a218f5fd1010869cdf472142c785e7680b9896510
SHA1 hash: 489f0ef8b11e8dc05edda14c4ce92365d200c524
MD5 hash: bc84e7d46c3e644b472ae75c58d38cb6
humanhash: seven-six-nebraska-kilo
File name:i686
Download: download sample
Signature Mirai
Create hunting rule
File size:206'000 bytes
First seen:2026-01-19 19:32:31 UTC
Last seen:Never
File type: elf
MIME type:application/x-sharedlib
ssdeep 3072:AcAUBDTcaoJhlnpDVtaZyDw/PcM2SLea1ad0W0yBiNQ9TrS0k15QMPj0jISdj:LAUBDTcacNpxT8Pc+ShBir0HEjSdj
TLSH T1E5146C07FA82C1F2E19306725097CB5A5730C9311316CD07FB995E79BC7560A8A2B7BE
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-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 bebd8d826242d6305696ceddd517cb963e48d25242e160308fbafb9112f4c1e0
File size (compressed) :90'428 bytes
File size (de-compressed) :206'000 bytes
Format:linux/i386
Packed file: bebd8d826242d6305696ceddd517cb963e48d25242e160308fbafb9112f4c1e0

Intelligence

File Origin
# of uploads :
1
# of downloads :
79
Origin country :
NL NL
Vendor Threat Intelligence
No detections
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gcc rust
Link:
https://www.filescan.io/uploads/696e8702f3c1b7b1fbd7aadd/reports/3bf37907-b582-4746-8934-914a80239df6/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-01-19T17:46:00Z UTC
Last seen:
2026-01-19T18:47:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/1b77c15043203b671a0cbbc87a6841fee36b75f4b52b0a0a60e1f2d77139009d/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/ba889ac2-626a-4a35-8dea-09b92a302b40
Behavior Graph:
Download SVG
%3 guuid=3fcad328-1a00-0000-de81-246b30090000 pid=2352 /usr/bin/sudo guuid=c9d95e2b-1a00-0000-de81-246b37090000 pid=2359 /tmp/sample.bin net send-data guuid=3fcad328-1a00-0000-de81-246b30090000 pid=2352->guuid=c9d95e2b-1a00-0000-de81-246b37090000 pid=2359 execve a5936dd4-c628-5e5e-8df7-ab4376aee3f4 91.92.240.38:666 guuid=c9d95e2b-1a00-0000-de81-246b37090000 pid=2359->a5936dd4-c628-5e5e-8df7-ab4376aee3f4 send: 29B
Malware family:
Gafgyt
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/48fa51a9-451f-45ca-a49b-b7a453cb8f8a
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
52 / 100
Link:
https://www.joesandbox.com/analysis/1853597
Signature
Contains symbols with names commonly found in malware
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
Score:
21%
Verdict:
Benign
File Type:
ELF
Link:
https://malprob.io/report/1b77c15043203b671a0cbbc87a6841fee36b75f4b52b0a0a60e1f2d77139009d
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/1b77c15043203b671a0cbbc87a6841fee36b75f4b52b0a0a60e1f2d77139009d/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-19 19:33:53 UTC
File Type:
ELF32 Little (SO)
AV detection:
10 of 24 (41.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=dn34cucdea5wogqmxpehu2cb73rww5puwuvqucta4hzno4jzacoq._file
Result
Malware family:
n/a
Score:
  4/10
Tags:
discovery linux
Link:
https://tria.ge/reports/260119-x9qgwacv5c/
Behaviour
Reads runtime system information
Changes its process name
Verdict:
Unknown
Tags:
botnet persirai trojan
YARA:
Persirai elf_persirai_w0
Link:
https://app.threat.zone/submission/77840ebe-cde2-4a5f-b139-9ba575d6dafc
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/1b77c15043203b671a0cbbc87a6841fee36b75f4b52b0a0a60e1f2d77139009d

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:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:elf_persirai_w0
Create hunting rule
Author:Tim Yeh
Description:Detects Persirai Botnet Malware
Reference:Internal Research
Rule name:iot_req_metachar
Create hunting rule
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:testlumma
Create hunting rule
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 bebd8d826242d6305696ceddd517cb963e48d25242e160308fbafb9112f4c1e0

Mirai

elf 1b77c15043203b671a0cbbc87a6841fee36b75f4b52b0a0a60e1f2d77139009d

(this sample)

  
Dropped by
SHA256 bebd8d826242d6305696ceddd517cb963e48d25242e160308fbafb9112f4c1e0
  
URLhaus
https://urlhaus.abuse.ch/url/3755919/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 5d734fd6d81e6f3ada6d0059ecd93bd2
  
URLhaus
https://urlhaus.abuse.ch/url/3748049/
  
URLhaus
https://urlhaus.abuse.ch/url/3755924/

Comments