MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4b52fc95e91756238476aac9ffa703c5e4b7f8c3a773a8e059a45986779cbece. 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: 6


Intelligence 6 IOCs YARA 1 File information Comments
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SHA256 hash: 4b52fc95e91756238476aac9ffa703c5e4b7f8c3a773a8e059a45986779cbece
SHA3-384 hash: c06729cc8b00ec69b6d32751ffa211e1452e2c4e7d915428704af64a8c88f1afcd284eb5df8c6f7d7b391bc0f8c8e37c
SHA1 hash: 8ec414e0097f709fd610e9cadccabda07e92f7b5
MD5 hash: 028b7cabcdaad9f97748426896327b99
humanhash: xray-avocado-white-river
File name:skid.arm5
Download: download sample
File size:90'908 bytes
First seen:2025-04-28 10:41:31 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:WYHnmbash4AtT5mLT1FhVQmsNAUiIOyyiUeNll3meYPvvb9OJ93iUFhhYIsnQr:WdbaytI3syXiUqpb3iUXhhsno
TLSH T1FD930896BC419B16C6D056BAFE1E51CE33232FB8E2DE3202DD156F21779E90A0E3B541
Magika elf
Reporter abuse_ch
Tags:elf

Intelligence

File Origin
# of uploads :
1
# of downloads :
106
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Other.Malware-gen.6477.1168.UNOFFICIAL
Create hunting rule

Verdict:
Clean
Score:
89.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=680f5e89c8b2e86d0ac3b805linux22vpnfull_triage
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Connection attempt
Opens a port
Mounts file systems
Substitutes an application name
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
expand lolbin masquerade remote
Link:
https://www.filescan.io/uploads/680f5b8846fe05453ca8b924/reports/26dfd2f4-49fd-4630-a6c8-b0d004bf4643/overview
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/42df7936-3de5-4189-b8dd-c9d66517886f
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.spyw.evad
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1676186
Signature
Connects to many ports of the same IP (likely port scanning)
Opens /proc/net/* files useful for finding connected devices and routers
Opens /sys/class/net/* files useful for querying network interface information
Performs DNS TXT record lookups
Sample reads /proc/mounts (often used for finding a writable filesystem)
Sample tries to kill multiple processes (SIGKILL)
Uses STUN server to do NAT traversial
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1676186 Sample: skid.arm5.elf Startdate: 28/04/2025 Architecture: LINUX Score: 68 25 ukrainianhorseriding.kamru.su 2->25 27 stun.l.google.com 2->27 29 5 other IPs or domains 2->29 35 Connects to many ports of the same IP (likely port scanning) 2->35 8 dash rm skid.arm5.elf 2->8         started        11 dash rm 2->11         started        13 dash cat 2->13         started        15 7 other processes 2->15 signatures3 37 Performs DNS TXT record lookups 25->37 39 Uses STUN server to do NAT traversial 27->39 process4 signatures5 43 Sample reads /proc/mounts (often used for finding a writable filesystem) 8->43 17 skid.arm5.elf 8->17         started        process6 signatures7 31 Opens /sys/class/net/* files useful for querying network interface information 17->31 33 Opens /proc/net/* files useful for finding connected devices and routers 17->33 20 skid.arm5.elf 17->20         started        23 skid.arm5.elf 17->23         started        process8 signatures9 41 Sample tries to kill multiple processes (SIGKILL) 20->41
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/4b52fc95e91756238476aac9ffa703c5e4b7f8c3a773a8e059a45986779cbece
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4b52fc95e91756238476aac9ffa703c5e4b7f8c3a773a8e059a45986779cbece/
Threat name:
Linux.Trojan.Multiverze
Create hunting rule
Status:
Malicious
First seen:
2025-04-28 07:19:06 UTC
File Type:
ELF32 Little (Exe)
AV detection:
13 of 24 (54.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jnjpzfpjc5lchbdwvle77jydyxslp6gdu5z2ryczurmym544x3ha._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
credential_access defense_evasion discovery
Link:
https://tria.ge/reports/250428-mrrl4ssxcz/
Behaviour
Reads runtime system information
Changes its process name
Reads process memory
Modifies Watchdog functionality
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/4b52fc95e91756238476aac9ffa703c5e4b7f8c3a773a8e059a45986779cbece

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 4b52fc95e91756238476aac9ffa703c5e4b7f8c3a773a8e059a45986779cbece

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3528778/
  
Delivery method
Distributed via web download

Comments