MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f7bb8a633c8265377864422034c32c0b8ae7cbd38fca4711d30fe292e1e26091. 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: 8


Intelligence 8 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f7bb8a633c8265377864422034c32c0b8ae7cbd38fca4711d30fe292e1e26091
SHA3-384 hash: bbe3bab03817e0d2adccefe994cd44be505d4fd7838ee9cdb46fa7cc388cac0a745109c772e134c6c6060758e6288e2c
SHA1 hash: d69bb47b2c9616e613411fd32169c82fb76e4e0d
MD5 hash: 8bed72e512a62c652529d69d069da09e
humanhash: floor-pennsylvania-iowa-hot
File name:nwfaiehg4ewijfgriehgirehaughrarg.arm7
Download: download sample
Signature Mirai
Create hunting rule
File size:66'936 bytes
First seen:2025-08-18 16:36:23 UTC
Last seen:2025-08-18 18:51:36 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:SG+gYQHTlYQXbR9gAZGmyY+9L9BKxEZk07/SbNouR:SGVpHTlYQXb/cY+9L9sck07uGuR
TLSH T1006302903224E638D4F7BFB770E806075E569D37BCE97AED78B1A9922C7518018EC847
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) :66'936 bytes
File size (de-compressed) :177'811 bytes
Format:linux/arm
Unpacked file: b83f433a97619f6c703ca9cfac127c91c759bf99f4edab83809d83855698ab4c

Intelligence

File Origin
# of uploads :
3
# of downloads :
34
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Siggen.9999.27838.17217.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sends data to a server
Receives data from a server
Removes directories
Deleting a recently created file
Connection attempt
Runs as daemon
Substitutes an application name
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade mirai packed threat upx
Link:
https://www.filescan.io/uploads/68a356f8a4bdac9f5b9c5c12/reports/082063db-c6cb-4d7a-8bee-67245e9e4bc2/overview
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/0f82b6ec-d942-478b-8edd-e834c950f348
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1759490
Signature
Deletes system log files
Manipulation of devices in /dev
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Sends malformed DNS queries
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1759490 Sample: nwfaiehg4ewijfgriehgirehaug... Startdate: 18/08/2025 Architecture: LINUX Score: 64 25 anranapi.xyz. [malformed] 2->25 27 169.254.169.254, 80 USDOSUS Reserved 2->27 29 2 other IPs or domains 2->29 31 Multi AV Scanner detection for submitted file 2->31 33 Sample is packed with UPX 2->33 10 nwfaiehg4ewijfgriehgirehaughrarg.arm7.elf 2->10         started        12 python3.8 dpkg 2->12         started        signatures3 35 Sends malformed DNS queries 25->35 process4 process5 14 nwfaiehg4ewijfgriehgirehaughrarg.arm7.elf 10->14         started        process6 16 nwfaiehg4ewijfgriehgirehaughrarg.arm7.elf 14->16         started        process7 18 nwfaiehg4ewijfgriehgirehaughrarg.arm7.elf 16->18         started        process8 20 nwfaiehg4ewijfgriehgirehaughrarg.arm7.elf 18->20         started        23 nwfaiehg4ewijfgriehgirehaughrarg.arm7.elf 18->23         started        signatures9 37 Manipulation of devices in /dev 20->37 39 Deletes system log files 20->39
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/f7bb8a633c8265377864422034c32c0b8ae7cbd38fca4711d30fe292e1e26091
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f7bb8a633c8265377864422034c32c0b8ae7cbd38fca4711d30fe292e1e26091/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-08-18 16:39:39 UTC
File Type:
ELF32 Little (Exe)
AV detection:
20 of 38 (52.63%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=665yuyz4qjsto6deiiqdjqzmbofops6tr7feoeotb7rjfypcmciq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery upx
Link:
https://tria.ge/reports/250818-t5em2aan4y/
Behaviour
Reads runtime system information
Changes its process name
Deletes log files
Enumerates running processes
Deletes Audit logs
Deletes system logs
Mirai
Mirai family
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/88a3a34d-bb95-4e7f-8d73-289b607b70e9
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/f7bb8a633c8265377864422034c32c0b8ae7cbd38fca4711d30fe292e1e26091

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
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:SUSP_ELF_LNX_UPX_Compressed_File
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:upx_packed_elf_v1
Create hunting rule
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 f7bb8a633c8265377864422034c32c0b8ae7cbd38fca4711d30fe292e1e26091

(this sample)

Mirai

elf b83f433a97619f6c703ca9cfac127c91c759bf99f4edab83809d83855698ab4c

  
URLhaus
https://urlhaus.abuse.ch/url/3606039/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3606053/
  
URLhaus
https://urlhaus.abuse.ch/url/3606062/
  
Dropping
SHA256 b83f433a97619f6c703ca9cfac127c91c759bf99f4edab83809d83855698ab4c
  
Dropping
MD5 c13d05eedf8867bcab674184095e2a50

Comments