MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 78b1a3a54eab3512fbb4c2e46ab69b412c038717ab023b1e7a586a599fe594d4. 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: 12


Intelligence 12 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 78b1a3a54eab3512fbb4c2e46ab69b412c038717ab023b1e7a586a599fe594d4
SHA3-384 hash: bc94da83d576b5dbe24b3db54b44133f1f8e2d878713c0f0ec5ac5b522b6c54c853ef8538caabb2f90158454ea7b1f10
SHA1 hash: f021c2a61bd23b6733a33a508b03d6f301e39c23
MD5 hash: 17517c13bbc9550f250ee00635a0f4a0
humanhash: august-kansas-diet-comet
File name:sumrak.i686
Download: download sample
Signature Mirai
Create hunting rule
File size:89'612 bytes
First seen:2025-12-20 16:57:29 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:YgrTPYG+NqaKWvClbW+XkIP2dgJ5689GKQBNCEg:PPB+NNalbW+UIdjkNCEg
TLSH T18E936BC6FA87C0F2E85B00715132AB3F8732D9540065CA5AE76F8F35DA37942D6273A9
telfhash t180412afb7e6e0df8f3d07c4c871e5b12572a5a77152031b201f26d913ae79919076834
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 8f18c738a20bf65a34ab2c701c018eefe824bb2ff912a2b3907804de87af7f6c
File size (compressed) :39'968 bytes
File size (de-compressed) :89'612 bytes
Format:linux/i386
Packed file: 8f18c738a20bf65a34ab2c701c018eefe824bb2ff912a2b3907804de87af7f6c

Intelligence

File Origin
# of uploads :
1
# of downloads :
249
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Link:
https://research.acce.ciphertechsolutions.com/results/d4b3b2b6-5840-4254-9834-2ac2e1558b03/
Detection(s):
Sanesecurity.Malware.28959.LC.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7100807-0
Create hunting rule

Unix.Dropper.Mirai-7135897-0
Create hunting rule

Unix.Dropper.Mirai-7135898-0
Create hunting rule

Unix.Dropper.Mirai-7135901-0
Create hunting rule

Unix.Dropper.Mirai-7135909-0
Create hunting rule

Unix.Dropper.Mirai-7135918-0
Create hunting rule

Unix.Dropper.Mirai-7135954-0
Create hunting rule

Unix.Dropper.Mirai-7136013-0
Create hunting rule

Unix.Dropper.Mirai-7136028-0
Create hunting rule

Unix.Dropper.Mirai-7136057-0
Create hunting rule

Unix.Trojan.Mirai-8025795-0
Create hunting rule

Unix.Trojan.Mirai-9858729-0
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
bash lolbin masquerade
Link:
https://www.filescan.io/uploads/6946d5b0e8abb702f80563cd/reports/1df5173c-44eb-429f-b883-ad822ad02679/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-20T15:06:00Z UTC
Last seen:
2025-12-20T17:19:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/78b1a3a54eab3512fbb4c2e46ab69b412c038717ab023b1e7a586a599fe594d4/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/24c560f2-45d3-4050-8dc5-3e15aeecda3e
Behavior Graph:
Download SVG
%3 guuid=c9c7825c-1900-0000-8193-00b878080000 pid=2168 /usr/bin/sudo guuid=5d1ba65e-1900-0000-8193-00b880080000 pid=2176 /tmp/sample.bin net guuid=c9c7825c-1900-0000-8193-00b878080000 pid=2168->guuid=5d1ba65e-1900-0000-8193-00b880080000 pid=2176 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=5d1ba65e-1900-0000-8193-00b880080000 pid=2176->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=d300f35e-1900-0000-8193-00b881080000 pid=2177 /tmp/sample.bin zombie guuid=5d1ba65e-1900-0000-8193-00b880080000 pid=2176->guuid=d300f35e-1900-0000-8193-00b881080000 pid=2177 clone guuid=64f5f85e-1900-0000-8193-00b882080000 pid=2178 /tmp/sample.bin guuid=5d1ba65e-1900-0000-8193-00b880080000 pid=2176->guuid=64f5f85e-1900-0000-8193-00b882080000 pid=2178 clone guuid=6542025f-1900-0000-8193-00b883080000 pid=2179 /tmp/sample.bin net send-data zombie guuid=5d1ba65e-1900-0000-8193-00b880080000 pid=2176->guuid=6542025f-1900-0000-8193-00b883080000 pid=2179 clone guuid=6542025f-1900-0000-8193-00b883080000 pid=2179->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con 6081b4f2-a8f4-54a6-ad7c-2654ee0f2625 141.98.10.91:19000 guuid=6542025f-1900-0000-8193-00b883080000 pid=2179->6081b4f2-a8f4-54a6-ad7c-2654ee0f2625 send: 295B guuid=7f13165f-1900-0000-8193-00b884080000 pid=2180 /tmp/sample.bin guuid=6542025f-1900-0000-8193-00b883080000 pid=2179->guuid=7f13165f-1900-0000-8193-00b884080000 pid=2180 clone guuid=e5e5195f-1900-0000-8193-00b885080000 pid=2181 /tmp/sample.bin guuid=6542025f-1900-0000-8193-00b883080000 pid=2179->guuid=e5e5195f-1900-0000-8193-00b885080000 pid=2181 clone
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/70942db3-bddb-453c-8129-cee56e6b5162
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
56 / 100
Link:
https://www.joesandbox.com/analysis/1836777
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1836777 Sample: sumrak.i686.elf Startdate: 20/12/2025 Architecture: LINUX Score: 56 26 109.202.202.202, 80 INIT7CH Switzerland 2->26 28 141.98.10.91, 19000, 37124, 37126 HOSTBALTICLT Lithuania 2->28 30 3 other IPs or domains 2->30 32 Malicious sample detected (through community Yara rule) 2->32 34 Multi AV Scanner detection for submitted file 2->34 8 sumrak.i686.elf 2->8         started        10 dash rm 2->10         started        12 dash cat 2->12         started        14 8 other processes 2->14 signatures3 process4 process5 16 sumrak.i686.elf 8->16         started        18 sumrak.i686.elf 8->18         started        20 sumrak.i686.elf 8->20         started        process6 22 sumrak.i686.elf 16->22         started        24 sumrak.i686.elf 16->24         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/78b1a3a54eab3512fbb4c2e46ab69b412c038717ab023b1e7a586a599fe594d4
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/78b1a3a54eab3512fbb4c2e46ab69b412c038717ab023b1e7a586a599fe594d4/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-20 16:59:15 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=pcy2hjkovm2rf65uylsgvnu3iewahbyxvmbdwht2lbvfth7fstka._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:unst defense_evasion discovery linux
Link:
https://tria.ge/reports/251220-vg3wdswqbn/
Behaviour
Reads runtime system information
Enumerates running processes
Modifies Watchdog functionality
Verdict:
Malicious
Tags:
trojan mirai Unix.Trojan.Mirai-7100807-0
YARA:
Linux_Trojan_Mirai_70ef58f1 Linux_Trojan_Mirai_2e3f67a9 Linux_Trojan_Mirai_0d73971c Linux_Trojan_Mirai_88de437f Linux_Trojan_Mirai_cc93863b
Link:
https://app.threat.zone/submission/4e101bb6-2e0f-4a5f-839a-717659681767
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/78b1a3a54eab3512fbb4c2e46ab69b412c038717ab023b1e7a586a599fe594d4

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:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:Linux_Trojan_Mirai_0d73971c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_2e3f67a9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_70ef58f1
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
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 8f18c738a20bf65a34ab2c701c018eefe824bb2ff912a2b3907804de87af7f6c

Mirai

elf 78b1a3a54eab3512fbb4c2e46ab69b412c038717ab023b1e7a586a599fe594d4

(this sample)

  
Dropped by
SHA256 8f18c738a20bf65a34ab2c701c018eefe824bb2ff912a2b3907804de87af7f6c
  
URLhaus
https://urlhaus.abuse.ch/url/3738084/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3738085/
  
URLhaus
https://urlhaus.abuse.ch/url/3738101/
  
URLhaus
https://urlhaus.abuse.ch/url/3738104/
  
Dropped by
MD5 c70020deb918602d6e5f7eac9bccf89f

Comments