MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 85a4bc45ce91a9a516217650d9c611b9c3e482832fc7c1be092ccd624d594f70. 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 3 File information Comments

SHA256 hash: 85a4bc45ce91a9a516217650d9c611b9c3e482832fc7c1be092ccd624d594f70
SHA3-384 hash: 7980a4343767fbc67b9c0352de9f92edf528fd38cb0db899b80c404865a63d5e1b8ba1577684c7eb04108146bc7b2cbe
SHA1 hash: 8579c3922affd7366d94d43469523b4bd556c6f7
MD5 hash: c618f31ce8a75453ced98a3d8851fd82
humanhash: minnesota-oranges-pluto-october
File name:systemdd
Download: download sample
Signature Mirai
File size:64'024 bytes
First seen:2026-01-14 19:15:09 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:+HUBe9cRCXOq61qtVc2yygFOEsGnfqHNGXWMFoLEAwGAOxkWlL:GUBwUCXOR46lSEDfGGXWM2EDLPcL
TLSH T1DC53F2EF51ABF6BDC233B13F4479652799962C2BD3C13A0B66A232FA0E19F047855C11
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
File size (compressed) :64'024 bytes
File size (de-compressed) :173'960 bytes
Format:linux/amd64
Unpacked file: 91fa90bc79f33d5dd9bf20fb175b57087157e416fed07ed2390c966592358218

Intelligence


File Origin
# of uploads :
1
# of downloads :
96
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
packed upx
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2026-01-14T16:56:00Z UTC
Last seen:
2026-01-15T12:48:00Z UTC
Hits:
~100
Status:
terminated
Behavior Graph:
%3 guuid=9a8f6ea4-1900-0000-a83f-55dee1090000 pid=2529 /usr/bin/sudo guuid=775d95a6-1900-0000-a83f-55dee6090000 pid=2534 /tmp/sample.bin mprotect-exec net guuid=9a8f6ea4-1900-0000-a83f-55dee1090000 pid=2529->guuid=775d95a6-1900-0000-a83f-55dee6090000 pid=2534 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=775d95a6-1900-0000-a83f-55dee6090000 pid=2534->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=d05369a7-1900-0000-a83f-55dee9090000 pid=2537 /tmp/sample.bin guuid=775d95a6-1900-0000-a83f-55dee6090000 pid=2534->guuid=d05369a7-1900-0000-a83f-55dee9090000 pid=2537 clone guuid=98486fa7-1900-0000-a83f-55deea090000 pid=2538 /tmp/sample.bin net send-data zombie guuid=775d95a6-1900-0000-a83f-55dee6090000 pid=2534->guuid=98486fa7-1900-0000-a83f-55deea090000 pid=2538 clone guuid=98486fa7-1900-0000-a83f-55deea090000 pid=2538->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 91225B d5466fdd-d2e6-50d9-9f3d-61d919bad8ae 143.20.185.225:80 guuid=98486fa7-1900-0000-a83f-55deea090000 pid=2538->d5466fdd-d2e6-50d9-9f3d-61d919bad8ae send: 2664B
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
72 / 100
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Uses dynamic DNS services
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1850861 Sample: systemdd.elf Startdate: 14/01/2026 Architecture: LINUX Score: 72 19 lolzzmortex.duckdns.org 2->19 21 169.254.169.254, 80 USDOSUS Reserved 2->21 23 3 other IPs or domains 2->23 25 Malicious sample detected (through community Yara rule) 2->25 27 Multi AV Scanner detection for submitted file 2->27 29 Yara detected Mirai 2->29 31 Sample is packed with UPX 2->31 7 systemdd.elf 2->7         started        9 dash rm 2->9         started        11 dash rm 2->11         started        13 python3.8 dpkg 2->13         started        signatures3 33 Uses dynamic DNS services 19->33 process4 process5 15 systemdd.elf 7->15         started        17 systemdd.elf 7->17         started       
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2026-01-14 19:15:50 UTC
File Type:
ELF64 Little (Exe)
AV detection:
13 of 24 (54.17%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery linux upx
Behaviour
Reads runtime system information
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
Malware Config
C2 Extraction:
lolzzmortex.duckdns.org
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_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:SUSP_ELF_LNX_UPX_Compressed_File
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:upx_packed_elf_v1
Author:RandomMalware

File information


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

Web download

Mirai

elf 85a4bc45ce91a9a516217650d9c611b9c3e482832fc7c1be092ccd624d594f70

(this sample)

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