MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 891a251994596655e0a7237b5c933068feaf5c8ce00108f6b0c1f4a765b90080. 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: 11


Intelligence 11 IOCs YARA 10 File information Comments

SHA256 hash: 891a251994596655e0a7237b5c933068feaf5c8ce00108f6b0c1f4a765b90080
SHA3-384 hash: 2774308f31bd4f42b780755f6f8bcfb1d02a40d8382db9bced7bf84d733ba5993e0363f3d2637a69117b784763e9631f
SHA1 hash: 2b0af1a2629fe2a27c5120ef1e042730e8862422
MD5 hash: ca0855bd3777720032a4406432190011
humanhash: fruit-mexico-north-low
File name:armv7l
Download: download sample
Signature Mirai
File size:374'656 bytes
First seen:2026-02-05 06:57:18 UTC
Last seen:2026-02-05 07:20:07 UTC
File type: elf
MIME type:application/x-sharedlib
ssdeep 6144:MQOiWnwsHaiXrygUvKsNFH9tztoZ7FX8ZzG0hDWHYIzc/nXLnISu/9jdN5PzvWcL:QiUXb9FX8ZI2nI3FJMjXiviwg0
TLSH T14D84096CF8809B79CBD0617AFAA502CD33375F68EBD9730589256B3437EBA25943B101
Magika elf
Reporter abuse_ch
Tags:elf gafgyt mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 844bea00cec0850abce1c02151cf13edfe1e4ef986d27ce8e509ffba23562c4c
File size (compressed) :141'256 bytes
File size (de-compressed) :374'656 bytes
Format:linux/arm
Packed file: 844bea00cec0850abce1c02151cf13edfe1e4ef986d27ce8e509ffba23562c4c

Intelligence


File Origin
# of uploads :
2
# of downloads :
68
Origin country :
NL NL
Vendor Threat Intelligence
No detections
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gafgyt gcc mirai rust
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
UPX
Botnet:
unknown
Number of open files:
119
Number of processes launched:
283
Processes remaning?
true
Remote TCP ports scanned:
not identified
Behaviour
Process Renaming
Firewall Changes
Information Gathering
Kernel Modules
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-02-05T04:32:00Z UTC
Last seen:
2026-02-05T04:47:00Z UTC
Hits:
~10
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad.mine
Score:
56 / 100
Signature
Multi AV Scanner detection for submitted file
Stdout / stderr contain strings indicative of a mining client
Terminates several processes with shell command 'killall'
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1863733 Sample: armv7l.elf Startdate: 05/02/2026 Architecture: LINUX Score: 56 24 169.254.169.254, 80 USDOSUS Reserved 2->24 26 109.202.202.202, 80 INIT7CH Switzerland 2->26 28 3 other IPs or domains 2->28 30 Multi AV Scanner detection for submitted file 2->30 32 Stdout / stderr contain strings indicative of a mining client 2->32 7 armv7l.elf 2->7         started        9 dash rm 2->9         started        11 dash rm 2->11         started        13 python3.8 dpkg 2->13         started        signatures3 process4 process5 15 armv7l.elf killall 7->15         started        18 armv7l.elf killall 7->18         started        20 armv7l.elf killall 7->20         started        22 70 other processes 7->22 signatures6 34 Terminates several processes with shell command 'killall' 15->34
Threat name:
Linux.Trojan.Gafgyt
Status:
Malicious
First seen:
2026-02-05 06:58:22 UTC
File Type:
ELF32 Little (SO)
AV detection:
9 of 36 (25.00%)
Threat level:
  5/5
Result
Malware family:
xmrig_linux
Score:
  10/10
Tags:
family:xmrig_linux defense_evasion discovery miner
Behaviour
Reads runtime system information
System Network Configuration Discovery
Changes its process name
Enumerates running processes
Flushes firewall rules
Xmrig_linux family
xmrig
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:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:elf_arm_mips_ko_so
Rule name:ELF_IoT_Persistence_Hunt
Author:4r4
Description:Hunts for ELF files with persistence and download capabilities
Rule name:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:iot_req_metachar
Rule name:RANSOMWARE
Author:ToroGuitar
Rule name:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:testlumma
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 891a251994596655e0a7237b5c933068feaf5c8ce00108f6b0c1f4a765b90080

(this sample)

  
Delivery method
Distributed via web download

Comments