MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a77cf5200facc2881da808bd403dafb7f148809c76217dc3b3cd00062ef89c2b. 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: 8


Intelligence 8 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a77cf5200facc2881da808bd403dafb7f148809c76217dc3b3cd00062ef89c2b
SHA3-384 hash: 1b8fe65feb0dbb7aaaaa14f9fec598afe24b85f7af3af944925b36bbc49f01c8a07ae1cb81b937310eb949a2fe746dd1
SHA1 hash: 00ab98ee17bbdd1c5a109a20a6d54f42a4398a33
MD5 hash: 28f03869638a9f0cd58826449185fbc7
humanhash: uniform-ink-four-bluebird
File name:skid.arm5
Download: download sample
File size:90'908 bytes
First seen:2025-05-01 06:18:10 UTC
Last seen:2025-05-03 14:20:59 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:MwHni4T5gtRspTGh0WUQKJpx+KPiqEDdPkDc0YUqhvKO5L3iq/pLYIRor:Ml4at2Q2EqEJ993iqBLhRQ
TLSH T1F193F796B8419B16C6D056BBFE1E118E33232FB8E3DE3202DD146F25779E94A0E3B541
Magika elf
Reporter abuse_ch
Tags:elf

Intelligence

File Origin
# of uploads :
4
# of downloads :
84
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Clean
Score:
82.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=681315eacc5fb3600cc5adfelinux22vpnfull_triage
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Connection attempt
Receives data from a server
DNS request
Opens a port
Sends data to a server
Mounts file systems
Creating a file
Substitutes an application name
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
expand lolbin masquerade remote
Link:
https://www.filescan.io/uploads/6813125d218c4a98adea96fe/reports/8db7a1ba-1651-4d81-b109-4c598f8565d9/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
true
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
18
Number of processes launched:
1
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/a77cf5200facc2881da808bd403dafb7f148809c76217dc3b3cd00062ef89c2b
Behaviour
Anti-VM
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ac289dd7-0809-4c00-a9c0-06e765beae47
Result
Threat name:
n/a
Detection:
suspicious
Classification:
troj
Score:
22 / 100
Link:
https://www.joesandbox.com/analysis/1678720
Signature
Sample reads /proc/mounts (often used for finding a writable filesystem)
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1678720 Sample: skid.arm5.elf Startdate: 01/05/2025 Architecture: LINUX Score: 22 11 daisy.ubuntu.com 2->11 6 skid.arm5.elf 2->6         started        process3 signatures4 13 Sample reads /proc/mounts (often used for finding a writable filesystem) 6->13 9 skid.arm5.elf 6->9         started        process5
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a77cf5200facc2881da808bd403dafb7f148809c76217dc3b3cd00062ef89c2b
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a77cf5200facc2881da808bd403dafb7f148809c76217dc3b3cd00062ef89c2b/
Threat name:
Linux.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2025-05-01 06:19:13 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 36 (38.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=u56pkiapvtbiqhnibc6uapnpw7yurae4oyqx3q5tzuaamlxytqvq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
credential_access defense_evasion discovery
Link:
https://tria.ge/reports/250501-g28eqatlv9/
Behaviour
Reads runtime system information
Changes its process name
Reads process memory
Modifies Watchdog functionality
Renames itself
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/a77cf5200facc2881da808bd403dafb7f148809c76217dc3b3cd00062ef89c2b

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: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 a77cf5200facc2881da808bd403dafb7f148809c76217dc3b3cd00062ef89c2b

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3530717/
  
Delivery method
Distributed via web download

Comments