MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 42b19c1f90fedb56c798df3c6769732dc8e87b0e02d5bc7eac6edcf64b4aaee0. 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: 9


Intelligence 9 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 42b19c1f90fedb56c798df3c6769732dc8e87b0e02d5bc7eac6edcf64b4aaee0
SHA3-384 hash: 072a592f2e442b1b35775adaad2e1541ed06e3283b68067df71edd33cc8f474f226b469106365d9b5e2bab9219ab9a92
SHA1 hash: 4ddd4d7f254be22ce5ad7e632b05547fd55b3fff
MD5 hash: 8f89557487b6d89161102c88087a1a00
humanhash: moon-vermont-equal-oregon
File name:linux
Download: download sample
File size:3'794'820 bytes
First seen:2025-05-17 04:45:40 UTC
Last seen:2025-05-17 21:11:06 UTC
File type: elf
MIME type:application/x-executable
ssdeep 98304:cjmkhxwBwfTFkFhaW4+tM09oxcBfXdy/Yl/6Mfh7:cj9QakGQtMdi/dy/YliMfh7
TLSH T1A10633AF057F0797A84452EA7B25ACC59323B931DBD648941F7A89C700FB6EB9103722
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 :
2
# of downloads :
89
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Clean
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=682814a1e5aa44ec2e1a1464linux22vpnfull_triage
Tags:
n/a
Result
Verdict:
Clean
Maliciousness:

Behaviour
Runs as daemon
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
expand lolbin packed upx
Link:
https://www.filescan.io/uploads/68281497c609634bd7c6ae88/reports/e24b07d5-aea9-4b26-8dc8-6092a9d1043a/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
UPX
Botnet:
unknown
Number of open files:
8
Number of processes launched:
2
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/42b19c1f90fedb56c798df3c6769732dc8e87b0e02d5bc7eac6edcf64b4aaee0
Behaviour
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Malware family:
P2Pinfect
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c16bdd06-6e7c-4995-adbe-c83d0dfb2da8
Result
Threat name:
n/a
Detection:
suspicious
Classification:
evad
Score:
21 / 100
Link:
https://www.joesandbox.com/analysis/1692596
Signature
Sample is packed with UPX
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1692596 Sample: linux.elf Startdate: 17/05/2025 Architecture: LINUX Score: 21 10 Sample is packed with UPX 2->10 6 linux.elf 2->6         started        process3 process4 8 linux.elf 6->8         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/42b19c1f90fedb56c798df3c6769732dc8e87b0e02d5bc7eac6edcf64b4aaee0
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/42b19c1f90fedb56c798df3c6769732dc8e87b0e02d5bc7eac6edcf64b4aaee0/
Threat name:
Linux.Trojan.Multiverze
Create hunting rule
Status:
Malicious
First seen:
2025-05-17 04:46:21 UTC
File Type:
ELF64 Little (Exe)
AV detection:
11 of 37 (29.73%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ikyzyh4q73nvnr4y346go2ltfxeoq6yoalk3y7vmn3opms2kv3qa._file
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery linux upx
Link:
https://tria.ge/reports/250517-fd1jjagq7t/
Behaviour
Reads runtime system information
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/10b170f4-2b11-4eb4-92cd-77e2134e5ee8
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/42b19c1f90fedb56c798df3c6769732dc8e87b0e02d5bc7eac6edcf64b4aaee0

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:BLOWFISH_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for Blowfish constants
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:upx_packed_elf_v1
Create hunting rule
Author:RandomMalware
Rule name:WHIRLPOOL_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for WhirlPool constants

File information

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

Web download

elf 42b19c1f90fedb56c798df3c6769732dc8e87b0e02d5bc7eac6edcf64b4aaee0

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3539354/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3529911/

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh

Comments