MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b7f28fdcd69133fb2a84808126b681e357efad7856b6ff67c266a92a711aad18. 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: b7f28fdcd69133fb2a84808126b681e357efad7856b6ff67c266a92a711aad18
SHA3-384 hash: ea42bf11bfeb05a086115d0f7db8496820caa15c67e0e5658f010b0ca8adc8796819688d3cf0d2318fbe20496be2e67a
SHA1 hash: acab5562621a3ebe1758ddadd9ed9d588ff85892
MD5 hash: 861a90c3ee4c5fa55d8b19852a3fc9c0
humanhash: network-high-beryllium-wolfram
File name:arm5
Download: download sample
File size:91'840 bytes
First seen:2026-01-25 18:08:26 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:/dSXJWmACQfs528Qwxzk4MBAe/iagg3I92TB5FY0Jw5Qepijy0X:/MZWnC5ZQYNOA2iw3I9SFK5Q6iW0X
TLSH T1E593288ABCC5C702C6E061B6FF1F559E371643A8E3E6B107CD19AF29634B8970A37251
telfhash t19e612226ff640fac2bda456046ee501746fd31de2b2528a6df1d6b1f45135c2b03e827
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 :
26
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Unix.Trojan.Mirai-9885259-0
Create hunting rule

Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
mirai rust
Link:
https://www.filescan.io/uploads/69765c575db9ae477091544d/reports/912c172c-0d78-4b99-8acc-1fa67d3037ec/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
52
Number of processes launched:
3
Processes remaning?
false
Remote TCP ports scanned:
23
Full report:
https://elfdigest.com/brief/b7f28fdcd69133fb2a84808126b681e357efad7856b6ff67c266a92a711aad18
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Gathering data
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/c4022cd5-fb78-44ff-b620-ee8f12b3432a
Behavior Graph:
Download SVG
%3 guuid=64e27b9c-1800-0000-da96-5ea58a0c0000 pid=3210 /usr/bin/sudo guuid=5a98639f-1800-0000-da96-5ea58b0c0000 pid=3211 /tmp/sample.bin guuid=64e27b9c-1800-0000-da96-5ea58a0c0000 pid=3210->guuid=5a98639f-1800-0000-da96-5ea58b0c0000 pid=3211 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/841c4d8c-c3d0-4c0f-a098-dc3ed180e56d
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
60 / 100
Link:
https://www.joesandbox.com/analysis/1857254
Signature
Connects to many IPs within the same subnet mask (likely port scanning)
Drops invisible ELF files
Multi AV Scanner detection for submitted file
Sample deletes itself
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1857254 Sample: arm5.elf Startdate: 25/01/2026 Architecture: LINUX Score: 60 20 165.90.16.255 internet-solutions-keKE Kenya 2->20 22 165.90.7.210 internet-solutions-keKE Kenya 2->22 24 100 other IPs or domains 2->24 26 Multi AV Scanner detection for submitted file 2->26 28 Connects to many IPs within the same subnet mask (likely port scanning) 2->28 8 arm5.elf .systemd-journald 2->8         started        signatures3 process4 file5 18 /dev/shm/.systemd-journald, ELF 8->18 dropped 30 Drops invisible ELF files 8->30 32 Sample deletes itself 8->32 12 .systemd-journald 8->12         started        signatures6 process7 process8 14 .systemd-journald 12->14         started        16 .systemd-journald 12->16         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b7f28fdcd69133fb2a84808126b681e357efad7856b6ff67c266a92a711aad18
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b7f28fdcd69133fb2a84808126b681e357efad7856b6ff67c266a92a711aad18/
Gathering data
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=w7zi7xgwsez7wkueqcasnnub4nl67llyk23p6z6cm2usu4i2vuma._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Link:
https://tria.ge/reports/260125-wrpl7adt3g/
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/b7f28fdcd69133fb2a84808126b681e357efad7856b6ff67c266a92a711aad18

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_Threat_d94e1020
Create hunting rule
Author:Elastic Security
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

elf b7f28fdcd69133fb2a84808126b681e357efad7856b6ff67c266a92a711aad18

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3739201/
  
Delivery method
Distributed via web download

Comments