MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 78b1f087230ead241657141b363d532ed48e35cab865bf5e27ef4f761ddd476c. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 78b1f087230ead241657141b363d532ed48e35cab865bf5e27ef4f761ddd476c
SHA3-384 hash: 9e94331accbb4751b541e76827207c80d05decbe4263738901c8defb542fa462635d660141c4a358f640845849d8b9b5
SHA1 hash: 852c1b61398e2bf888586832af7d7d47b6b3b091
MD5 hash: dc3a2f67b736b6767207ed3318752a8b
humanhash: bravo-east-network-bravo
File name:kurayami.x86
Download: download sample
Signature Mirai
Create hunting rule
File size:57'248 bytes
First seen:2026-03-30 06:58:31 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:fGIsYa2RmMEH6D1IqZdHXXCbgOg5R/GQRZN+nouy8KyZ:fGIK95q2qZRXog5R/GcZNeoutp
TLSH T19843F11EC4982C9CE9A8C13C2DED774D1DB0E00AEBDA5A948745164EC943EFAFA64DC1
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 adliwahid
Tags:mirai UPX
File size (compressed) :57'248 bytes
File size (de-compressed) :141'676 bytes
Format:linux/i386
Unpacked file: 76169f5a5e8d1eb4cf7e79f3bbc422b0d8f870da1530212ef4c3d88f232d9362

Intelligence

File Origin
# of uploads :
1
# of downloads :
48
Origin country :
NL NL
Vendor Threat Intelligence
Gathering data
Detection(s):
Unix.Dropper.Mirai-7135858-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Connection attempt
Runs as daemon
Sends data to a server
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade mirai packed threat upx
Link:
https://www.filescan.io/uploads/69ca1fa02346b9da57afba65/reports/7f31f746-8f9d-47c0-8946-4b288f68f142/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
UPX
Botnet:
unknown
Number of open files:
46
Number of processes launched:
8
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/78b1f087230ead241657141b363d532ed48e35cab865bf5e27ef4f761ddd476c
Behaviour
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Gathering data
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/b6c8fd82-cc13-4d77-8e73-09b2e41abde2
Behavior Graph:
Download SVG
%3 guuid=9b6336a3-1900-0000-1bd4-8cac64080000 pid=2148 /usr/bin/sudo guuid=349d69a5-1900-0000-1bd4-8cac6c080000 pid=2156 /tmp/sample.bin net guuid=9b6336a3-1900-0000-1bd4-8cac64080000 pid=2148->guuid=349d69a5-1900-0000-1bd4-8cac6c080000 pid=2156 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=349d69a5-1900-0000-1bd4-8cac6c080000 pid=2156->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=ca4028a6-1900-0000-1bd4-8cac6f080000 pid=2159 /tmp/sample.bin guuid=349d69a5-1900-0000-1bd4-8cac6c080000 pid=2156->guuid=ca4028a6-1900-0000-1bd4-8cac6f080000 pid=2159 clone guuid=3acd81d2-1a00-0000-1bd4-8cacd90a0000 pid=2777 /tmp/sample.bin guuid=349d69a5-1900-0000-1bd4-8cac6c080000 pid=2156->guuid=3acd81d2-1a00-0000-1bd4-8cacd90a0000 pid=2777 clone guuid=3d8887d2-1a00-0000-1bd4-8cacda0a0000 pid=2778 /tmp/sample.bin net send-data zombie guuid=349d69a5-1900-0000-1bd4-8cac6c080000 pid=2156->guuid=3d8887d2-1a00-0000-1bd4-8cacda0a0000 pid=2778 clone guuid=8cfb31a6-1900-0000-1bd4-8cac70080000 pid=2160 /tmp/sample.bin guuid=ca4028a6-1900-0000-1bd4-8cac6f080000 pid=2159->guuid=8cfb31a6-1900-0000-1bd4-8cac70080000 pid=2160 clone guuid=3dfa39a6-1900-0000-1bd4-8cac71080000 pid=2161 /tmp/sample.bin net send-data zombie guuid=ca4028a6-1900-0000-1bd4-8cac6f080000 pid=2159->guuid=3dfa39a6-1900-0000-1bd4-8cac71080000 pid=2161 clone guuid=3dfa39a6-1900-0000-1bd4-8cac71080000 pid=2161->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con 5b1fbf77-b20c-52ab-bd01-8608ea336134 142.248.80.144:69 guuid=3dfa39a6-1900-0000-1bd4-8cac71080000 pid=2161->5b1fbf77-b20c-52ab-bd01-8608ea336134 send: 10B guuid=3d8887d2-1a00-0000-1bd4-8cacda0a0000 pid=2778->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=3d8887d2-1a00-0000-1bd4-8cacda0a0000 pid=2778->5b1fbf77-b20c-52ab-bd01-8608ea336134 send: 6B
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/cca7ba0d-67fb-47b0-b642-e3f5a7b76808
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/78b1f087230ead241657141b363d532ed48e35cab865bf5e27ef4f761ddd476c
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/78b1f087230ead241657141b363d532ed48e35cab865bf5e27ef4f761ddd476c/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-03-30 03:21:55 UTC
File Type:
ELF32 Little (Exe)
AV detection:
19 of 36 (52.78%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=pcy7bbzdb2wsifsxcqntmpktf3ki4nokxbs36xrh55hxmho5i5wa._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery linux upx
Link:
https://tria.ge/reports/260330-hr6zksaz2q/
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.45
Link:
https://yomi.yoroi.company/submissions/78b1f087230ead241657141b363d532ed48e35cab865bf5e27ef4f761ddd476c

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
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:SUSP_ELF_LNX_UPX_Compressed_File
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
Rule name:upx_packed_elf_v1
Create hunting rule
Author:RandomMalware

File information

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

Web download

Mirai

sh d025eb12dc4be6b1183406858e9e6cc4564788928e678db1b6bb218c70bf8c28

Mirai

elf 78b1f087230ead241657141b363d532ed48e35cab865bf5e27ef4f761ddd476c

(this sample)

Mirai

elf 76169f5a5e8d1eb4cf7e79f3bbc422b0d8f870da1530212ef4c3d88f232d9362

  
Dropping
SHA256 76169f5a5e8d1eb4cf7e79f3bbc422b0d8f870da1530212ef4c3d88f232d9362
  
Dropping
MD5 be3354d3957dfdfc3ddca5cb5925f90d
  
URLhaus
https://urlhaus.abuse.ch/url/3808214/
  
Delivery method
Distributed via web download
  
Dropped by
SHA256 d025eb12dc4be6b1183406858e9e6cc4564788928e678db1b6bb218c70bf8c28
  
Dropped by
MD5 8aa5bfb0ed7cda49f63516b9657ea248
  
URLhaus
https://urlhaus.abuse.ch/url/3808216/

Comments