MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 705df644497e38fa9451ef30cb2b858619584078e5b6b435f43d085ff31c14ea. 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: 10


Intelligence 10 IOCs YARA 6 File information Comments

SHA256 hash: 705df644497e38fa9451ef30cb2b858619584078e5b6b435f43d085ff31c14ea
SHA3-384 hash: 59e9b9a7940dce248788da8dbb54d69c4851f805b6c098656ae8e5248276b36636a93772834e4322afa1117f6e66eb26
SHA1 hash: 1796153f61e2b36c57ba0e624880256a24c24528
MD5 hash: 200187263c767998303f60f4497b0f3c
humanhash: jig-wolfram-papa-mobile
File name:shadow.i586
Download: download sample
Signature Mirai
File size:66'144 bytes
First seen:2025-12-30 16:08:44 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:K8hx4j8As1syhZahJtZKd1sYal53FpGNE:xAs1sqZantUd1sY6R/m
TLSH T131533BC46503DAF0EC156130E1BAEB3A47B6F33F0015EE9FD7958926E463A12A6076DC
telfhash t1461191fa0e7e58dcf7c9a411838a1e207aa99377252033b915636d3832afd44746ac3d
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 :
53
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade mirai obfuscated
Result
Gathering data
Status:
terminated
Behavior Graph:
%3 guuid=1c9f8b5d-1900-0000-0870-2f5564140000 pid=5220 /usr/bin/sudo guuid=379c905f-1900-0000-0870-2f5565140000 pid=5221 /tmp/sample.bin delete-file net guuid=1c9f8b5d-1900-0000-0870-2f5564140000 pid=5220->guuid=379c905f-1900-0000-0870-2f5565140000 pid=5221 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=379c905f-1900-0000-0870-2f5565140000 pid=5221->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=1190c65f-1900-0000-0870-2f5566140000 pid=5222 /tmp/sample.bin write-file zombie guuid=379c905f-1900-0000-0870-2f5565140000 pid=5221->guuid=1190c65f-1900-0000-0870-2f5566140000 pid=5222 clone guuid=2f24db5f-1900-0000-0870-2f5567140000 pid=5223 /tmp/sample.bin dns net send-data guuid=1190c65f-1900-0000-0870-2f5566140000 pid=5222->guuid=2f24db5f-1900-0000-0870-2f5567140000 pid=5223 clone guuid=2f24db5f-1900-0000-0870-2f5567140000 pid=5223->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con 6a6ce952-23cd-5c51-b461-6ca6a8c64225 1.0.0.1:53 guuid=2f24db5f-1900-0000-0870-2f5567140000 pid=5223->6a6ce952-23cd-5c51-b461-6ca6a8c64225 send: 26B c610bf36-1f00-5bc3-ae18-24f0473b35c2 81.88.18.108:6767 guuid=2f24db5f-1900-0000-0870-2f5567140000 pid=5223->c610bf36-1f00-5bc3-ae18-24f0473b35c2 send: 11B guuid=f5a2e65f-1900-0000-0870-2f5568140000 pid=5224 /tmp/sample.bin guuid=2f24db5f-1900-0000-0870-2f5567140000 pid=5223->guuid=f5a2e65f-1900-0000-0870-2f5568140000 pid=5224 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: 1842153 Sample: shadow.i586.elf Startdate: 30/12/2025 Architecture: LINUX Score: 64 22 kurol.io 2->22 24 81.88.18.108, 43236, 6767 LEVEL3US Germany 2->24 26 2 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.i586.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.i586.elf 9->16         started        process6 process7 18 shadow.i586.elf 16->18         started        process8 20 shadow.i586.elf 18->20         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-12-30 16:09:20 UTC
File Type:
ELF32 Little (Exe)
AV detection:
12 of 36 (33.33%)
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
Unexpected DNS network traffic destination
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 705df644497e38fa9451ef30cb2b858619584078e5b6b435f43d085ff31c14ea

(this sample)

  
Delivery method
Distributed via web download

Comments