MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2f87e2e7c230cec54ca0246266e49c40159937252e7869de3ce2f2e6d404bd39. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2f87e2e7c230cec54ca0246266e49c40159937252e7869de3ce2f2e6d404bd39
SHA3-384 hash: e66c521f58ddecae5bdc0ba12734a65440552d0754844a1804bc49ab2800be37aebb48a2ee96081ab85b56b2a19f3d61
SHA1 hash: effab986ef319c53b7d631419306a98100696608
MD5 hash: 957c3e7b0f1e2e96b0a0205aacb260c2
humanhash: glucose-white-magazine-north
File name:nwfaiehg4ewijfgriehgirehaughrarg.arm7
Download: download sample
Signature Mirai
Create hunting rule
File size:177'915 bytes
First seen:2025-12-06 19:41:53 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:3oxXy6fUr+G43ayYR+fZMbWC7R4QYp/Fd37rSFbyM/9qpmCOU:4xXFB3ajR+fZMaC7WpddrrSFOM/9udJ
TLSH T1C8043B46EB418A13C4D227B5BBDB424533239B64D3EB730699287FB43F86B9E0E67501
telfhash t1f2312d34273694086a71cd64d8fc97b2851b87170684ae33cf3bc8cc281a48ae62ac0f
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 b74fb7bead733da7f79387a8ca81e45d5b683da8e9d5271e68cca1d2534b3c4b
File size (compressed) :66'960 bytes
File size (de-compressed) :177'915 bytes
Format:linux/arm
Packed file: b74fb7bead733da7f79387a8ca81e45d5b683da8e9d5271e68cca1d2534b3c4b

Intelligence

File Origin
# of uploads :
1
# of downloads :
40
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Link:
https://research.acce.ciphertechsolutions.com/results/9407ce6d-a437-4291-a231-f93c98614427/
Detection(s):
SecuriteInfo.com.Linux.Siggen.9999-6.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-7135925-0
Create hunting rule

Unix.Trojan.Mirai-9760303-0
Create hunting rule

Unix.Trojan.Mirai-10056451-0
Create hunting rule

Unix.Trojan.Mirai-10056463-0
Create hunting rule

Unix.Trojan.Mirai-10057788-0
Create hunting rule

Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-06T17:52:00Z UTC
Last seen:
2025-12-07T02:15:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/2f87e2e7c230cec54ca0246266e49c40159937252e7869de3ce2f2e6d404bd39/results?tab=lookup
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/9fbd0ac8-f6f8-4241-a972-f2100ea6d3dd
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
60 / 100
Link:
https://www.joesandbox.com/analysis/1828098
Signature
Deletes system log files
Manipulation of devices in /dev
Multi AV Scanner detection for submitted file
Uses dynamic DNS services
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1828098 Sample: nwfaiehg4ewijfgriehgirehaug... Startdate: 06/12/2025 Architecture: LINUX Score: 60 25 frohncrop77.duckdns.org 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 10 nwfaiehg4ewijfgriehgirehaughrarg.arm7.elf 2->10         started        12 python3.8 dpkg 2->12         started        signatures3 33 Uses dynamic DNS services 25->33 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 35 Manipulation of devices in /dev 20->35 37 Deletes system log files 20->37
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/2f87e2e7c230cec54ca0246266e49c40159937252e7869de3ce2f2e6d404bd39
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2f87e2e7c230cec54ca0246266e49c40159937252e7869de3ce2f2e6d404bd39/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-06 19:43:21 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=f6d6fz6cgdhmktfaerrgnze4iakzsnzffz4gtxr44lzonvaexu4q._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai defense_evasion discovery
Link:
https://tria.ge/reports/251206-yeyqfadm91/
Behaviour
Reads runtime system information
Changes its process name
Enumerates running processes
Deletes Audit logs
Deletes journal logs
Malware Config
C2 Extraction:
frohncrop77.duckdns.org
catelcro.duckdns.org
fishertriv.duckdns.org
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7135925-0
YARA:
n/a
Link:
https://app.threat.zone/submission/a58cd26e-2cd8-43ef-a955-fbbb71619ad0
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/2f87e2e7c230cec54ca0246266e49c40159937252e7869de3ce2f2e6d404bd39

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
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:Linux_Generic_Threat_8299c877
Create hunting rule
Author:Elastic Security
Rule name:MAL_ARM_LNX_Mirai_Mar13_2022
Create hunting rule
Author:Mehmet Ali Kerimoglu a.k.a. CYB3RMX
Description:Detects new ARM Mirai variant
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:unixredflags3
Create hunting rule
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 b74fb7bead733da7f79387a8ca81e45d5b683da8e9d5271e68cca1d2534b3c4b

Mirai

elf 2f87e2e7c230cec54ca0246266e49c40159937252e7869de3ce2f2e6d404bd39

(this sample)

  
Dropped by
SHA256 b74fb7bead733da7f79387a8ca81e45d5b683da8e9d5271e68cca1d2534b3c4b
  
URLhaus
https://urlhaus.abuse.ch/url/3728085/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 c95d2b323f1eedf2c8491a0baed5ee2d

Comments