MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 681326934aa004e4960320c5484b013c7453467005647541fe170dfe3a3c49d0. 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


Threat unknown


Vendor detections: 7


Intelligence 7 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 681326934aa004e4960320c5484b013c7453467005647541fe170dfe3a3c49d0
SHA3-384 hash: dea55a03e2894147843ba0549fe99c662ea787944052c7a5f30f55cb39ab821cb9b1be15aba46fa6248d40e19b017295
SHA1 hash: e71a8c3eb42e92dbb2d1b827357dd8e400896deb
MD5 hash: 8fea41f75543ce732878487c6460ed2b
humanhash: shade-foxtrot-fillet-maryland
File name:frost.arm
Download: download sample
File size:31'752 bytes
First seen:2025-12-31 06:18:29 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:5QCEJ3Eda5gR/GVbBxkIsWdR9tZ8q1IvmRewPmQnm53UA:5QCGEE5EsbD9LfInomQnmv
TLSH T175E2E122DB465CF3F6E10DB73A9AC20453AA61BCFE4235B6DC195379E4D30425B7288A
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

Intelligence

File Origin
# of uploads :
1
# of downloads :
25
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Unix.Trojan.DarkNexus-7679166-0
Create hunting rule

Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade
Link:
https://www.filescan.io/uploads/6954c062127d6a14e0c9b7a9/reports/ca1b372b-106d-4678-a643-7adfc3dd55b8/overview
Result
Gathering data
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/64559235-d533-42a9-817d-300e53fa2223
Behavior Graph:
Download SVG
%3 guuid=6cad7655-1800-0000-871b-58bdfb080000 pid=2299 /usr/bin/sudo guuid=f467e057-1800-0000-871b-58bd02090000 pid=2306 /tmp/sample.bin guuid=6cad7655-1800-0000-871b-58bdfb080000 pid=2299->guuid=f467e057-1800-0000-871b-58bd02090000 pid=2306 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/78daa73c-72bf-483f-97d1-4b8880b8b197
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
56 / 100
Link:
https://www.joesandbox.com/analysis/1842564
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1842564 Sample: frost.arm.elf Startdate: 31/12/2025 Architecture: LINUX Score: 56 14 169.254.169.254, 80 USDOSUS Reserved 2->14 16 daisy.ubuntu.com 162.213.35.24, 38410, 443 CANONICAL-ASGB United States 2->16 18 2 other IPs or domains 2->18 20 Antivirus / Scanner detection for submitted sample 2->20 22 Multi AV Scanner detection for submitted file 2->22 6 python3.8 dpkg 2->6         started        8 dash rm 2->8         started        10 dash rm 2->10         started        12 frost.arm.elf 2->12         started        signatures3 process4
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/681326934aa004e4960320c5484b013c7453467005647541fe170dfe3a3c49d0
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/681326934aa004e4960320c5484b013c7453467005647541fe170dfe3a3c49d0/
Gathering data
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=najsne2kuacojfqdedcuqsybhr2fgrtqavshkqp6c4g74or4jhia._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Link:
https://tria.ge/reports/251231-g23t8sck8y/
Verdict:
Malicious
Tags:
Unix.Trojan.DarkNexus-7679166-0
YARA:
n/a
Link:
https://app.threat.zone/submission/ef7b1df5-7213-4e14-b9ea-764055854f16
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
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:upx_antiunpack_elf32
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:UPX Anti-Unpacking technique to magic renamed for ELF32

File information

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

Web download

elf 681326934aa004e4960320c5484b013c7453467005647541fe170dfe3a3c49d0

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3738383/
  
Delivery method
Distributed via web download

Comments