MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4cdf3167cbad3e45dafbc65c992a69acd0b75c919e9df05611a5f0247f56aac3. 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 6 File information Comments

SHA256 hash: 4cdf3167cbad3e45dafbc65c992a69acd0b75c919e9df05611a5f0247f56aac3
SHA3-384 hash: 19139f20c66700b769c83263b96c9c5e25ac410cc7e000c3efbf92b9b1c76b4b6451a881bc5dc7f0016877fdec0e2429
SHA1 hash: 1430076d011557715a1949c54695ba0cebc8e151
MD5 hash: fbee697a921c9fec95cfc79f0611fc87
humanhash: table-sodium-avocado-cardinal
File name:shadow.x86
Download: download sample
Signature Mirai
File size:67'236 bytes
First seen:2025-12-30 23:40:52 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:aoePCGVcccyapvSq/7gCSOj12zXtJLrDZfEh:aRVcc3apvSq/UCSOj127tdXNC
TLSH T10B634BC5AA03DAF0DC2D9130D06BFF3E46BBB17E0019D98FC7958571E463B02A65629C
telfhash t15f11b2f71f6e4cec67c46800c25a5e506a6da77b1a2022e31533587835afe42607fc3d
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 :
45
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade mirai obfuscated
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-30T21:32:00Z UTC
Last seen:
2025-12-30T22:02:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=87995093-1600-0000-b1fe-8dd5a50d0000 pid=3493 /usr/bin/sudo guuid=b8947f95-1600-0000-b1fe-8dd5a90d0000 pid=3497 /tmp/sample.bin delete-file net guuid=87995093-1600-0000-b1fe-8dd5a50d0000 pid=3493->guuid=b8947f95-1600-0000-b1fe-8dd5a90d0000 pid=3497 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=b8947f95-1600-0000-b1fe-8dd5a90d0000 pid=3497->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=8499ca95-1600-0000-b1fe-8dd5ab0d0000 pid=3499 /tmp/sample.bin write-file zombie guuid=b8947f95-1600-0000-b1fe-8dd5a90d0000 pid=3497->guuid=8499ca95-1600-0000-b1fe-8dd5ab0d0000 pid=3499 clone guuid=2ab3dd95-1600-0000-b1fe-8dd5ac0d0000 pid=3500 /tmp/sample.bin dns net send-data guuid=8499ca95-1600-0000-b1fe-8dd5ab0d0000 pid=3499->guuid=2ab3dd95-1600-0000-b1fe-8dd5ac0d0000 pid=3500 clone guuid=2ab3dd95-1600-0000-b1fe-8dd5ac0d0000 pid=3500->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con 54d92a3b-1447-55af-b534-047898c60c8d 1.1.1.1:53 guuid=2ab3dd95-1600-0000-b1fe-8dd5ac0d0000 pid=3500->54d92a3b-1447-55af-b534-047898c60c8d send: 26B c610bf36-1f00-5bc3-ae18-24f0473b35c2 81.88.18.108:6767 guuid=2ab3dd95-1600-0000-b1fe-8dd5ac0d0000 pid=3500->c610bf36-1f00-5bc3-ae18-24f0473b35c2 send: 11B guuid=9554e895-1600-0000-b1fe-8dd5ad0d0000 pid=3501 /tmp/sample.bin guuid=2ab3dd95-1600-0000-b1fe-8dd5ac0d0000 pid=3500->guuid=9554e895-1600-0000-b1fe-8dd5ad0d0000 pid=3501 clone
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
64 / 100
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Performs DNS TXT record lookups
Sample deletes itself
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1842405 Sample: shadow.x86.elf Startdate: 31/12/2025 Architecture: LINUX Score: 64 22 kurol.io 2->22 24 81.88.18.108, 34712, 6767 LEVEL3US Germany 2->24 26 4 other IPs or domains 2->26 28 Malicious sample detected (through community Yara rule) 2->28 30 Multi AV Scanner detection for submitted file 2->30 9 shadow.x86.elf 2->9         started        12 dash rm 2->12         started        14 dash rm 2->14         started        signatures3 32 Performs DNS TXT record lookups 22->32 process4 signatures5 34 Sample deletes itself 9->34 16 shadow.x86.elf 9->16         started        process6 process7 18 shadow.x86.elf 16->18         started        process8 20 shadow.x86.elf 18->20         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-12-30 23:41:15 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion discovery linux upx
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
Enumerates active TCP sockets
Enumerates running processes
Deletes itself
Modifies Watchdog functionality
Verdict:
Malicious
Tags:
trojan mirai Unix.Trojan.Mirai-1
YARA:
Linux_Trojan_Mirai_5f7b67b8 Linux_Trojan_Mirai_88de437f Linux_Trojan_Mirai_ae9d0fa6 Linux_Trojan_Mirai_cc93863b Linux_Trojan_Mirai_8aa7b5d3
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_Trojan_Mirai_5f7b67b8
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_ae9d0fa6
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Author:Elastic Security
Rule name:unixredflags3
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 4cdf3167cbad3e45dafbc65c992a69acd0b75c919e9df05611a5f0247f56aac3

(this sample)

  
Delivery method
Distributed via web download

Comments