MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7512fc6f33eeed3cdca6d046cbdfcb4a072d43a3c421ecc031b58cd06849561e. 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


VShell


Vendor detections: 11


Intelligence 11 IOCs YARA 27 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7512fc6f33eeed3cdca6d046cbdfcb4a072d43a3c421ecc031b58cd06849561e
SHA3-384 hash: 52560df1b87c08a7512468dec13bd783351c12bef5cf090c686b02a371bc04bfb5f5973a2f536f832a5aecb8ff909e01
SHA1 hash: db40a3247fe2266334c84199003d4437d1a0ad09
MD5 hash: 285c19addd1e4ac77ac91ebbdea8a8c2
humanhash: wisconsin-lima-alaska-pluto
File name:memfd
Download: download sample
Signature VShell
Create hunting rule
File size:8'089'600 bytes
First seen:2026-04-24 10:35:17 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 98304:8+YepTx+m+kT807z6QM7Zc1Emd7h4eCbY:5pTcmjT8o8AF
TLSH T153863917ECA545F8C0AED1348A729663BA717C884B3027D73B50F7282F76BD0AA79714
telfhash t10532347559bd34b5a6aad82073a3b47495331aa532f834f51123e890ffc4e801ce6c7b
gimphash e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
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 smica83
Tags:elf vshell

Intelligence

File Origin
# of uploads :
1
# of downloads :
81
Origin country :
HU HU
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.Linux.BackDoor.Siggen.549.7317.25531.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm crypto golang obfuscated vshell
Link:
https://www.filescan.io/uploads/69eb47843e07376f2fc7b8a8/reports/e16e1a0f-501d-4e7d-8bbd-6c2978368b01/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
4
Number of processes launched:
4
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/7512fc6f33eeed3cdca6d046cbdfcb4a072d43a3c421ecc031b58cd06849561e
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2026-04-16T07:41:00Z UTC
Last seen:
2026-04-17T18:07:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/7512fc6f33eeed3cdca6d046cbdfcb4a072d43a3c421ecc031b58cd06849561e/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/f1402f58-ecd4-446a-892f-8d494c3e2ba0
Behavior Graph:
Download SVG
%3 guuid=e1687c35-1700-0000-2c1c-b1267e0e0000 pid=3710 /usr/bin/sudo guuid=573f3737-1700-0000-2c1c-b126870e0000 pid=3719 /tmp/sample.bin net send-data guuid=e1687c35-1700-0000-2c1c-b1267e0e0000 pid=3710->guuid=573f3737-1700-0000-2c1c-b126870e0000 pid=3719 execve f6317291-7af9-57a2-b4bd-bd5eb059a99c 168.100.8.179:8084 guuid=573f3737-1700-0000-2c1c-b126870e0000 pid=3719->f6317291-7af9-57a2-b4bd-bd5eb059a99c send: 1793B guuid=573f3737-1700-0000-2c1c-b126870e0000 pid=3722 /tmp/sample.bin guuid=573f3737-1700-0000-2c1c-b126870e0000 pid=3719->guuid=573f3737-1700-0000-2c1c-b126870e0000 pid=3722 clone guuid=573f3737-1700-0000-2c1c-b126870e0000 pid=3724 /tmp/sample.bin send-data guuid=573f3737-1700-0000-2c1c-b126870e0000 pid=3719->guuid=573f3737-1700-0000-2c1c-b126870e0000 pid=3724 clone guuid=573f3737-1700-0000-2c1c-b126870e0000 pid=3725 /tmp/sample.bin net send-data guuid=573f3737-1700-0000-2c1c-b126870e0000 pid=3719->guuid=573f3737-1700-0000-2c1c-b126870e0000 pid=3725 clone guuid=573f3737-1700-0000-2c1c-b126870e0000 pid=3727 /tmp/sample.bin net send-data guuid=573f3737-1700-0000-2c1c-b126870e0000 pid=3719->guuid=573f3737-1700-0000-2c1c-b126870e0000 pid=3727 clone guuid=573f3737-1700-0000-2c1c-b126870e0000 pid=3724->f6317291-7af9-57a2-b4bd-bd5eb059a99c send: 302B guuid=573f3737-1700-0000-2c1c-b126870e0000 pid=3725->f6317291-7af9-57a2-b4bd-bd5eb059a99c send: 1221B guuid=573f3737-1700-0000-2c1c-b126870e0000 pid=3727->f6317291-7af9-57a2-b4bd-bd5eb059a99c send: 365B
Malware family:
VShell
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5a4fa75b-f56d-4829-8a73-3bac85a0bd9e
Result
Threat name:
VShell
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1903900
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Uses known network protocols on non-standard ports
Yara detected VShell
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1903900 Sample: memfd.elf Startdate: 24/04/2026 Architecture: LINUX Score: 68 14 169.254.169.254, 80 USDOSUS Reserved 2->14 16 109.202.202.202, 80 INIT7CH Switzerland 2->16 18 4 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 24 Yara detected VShell 2->24 26 Uses known network protocols on non-standard ports 2->26 6 dash rm 2->6         started        8 dash rm 2->8         started        10 python3.8 dpkg 2->10         started        12 memfd.elf 2->12         started        signatures3 process4
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/7512fc6f33eeed3cdca6d046cbdfcb4a072d43a3c421ecc031b58cd06849561e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/7512fc6f33eeed3cdca6d046cbdfcb4a072d43a3c421ecc031b58cd06849561e/
Threat name:
Linux.Backdoor.VShell
Create hunting rule
Status:
Malicious
First seen:
2026-04-16 15:06:36 UTC
File Type:
ELF64 Little (Exe)
AV detection:
18 of 36 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=oujpy3zt53wtzxfg2bdmxx6ljids2q5dyqq6zqbrwwgna2cjkypa._file
Result
Malware family:
n/a
Score:
  3/10
Tags:
discovery linux
Link:
https://tria.ge/reports/260424-mm3htafx9l/
Behaviour
Enumerates kernel/hardware configuration
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.62
Link:
https://yomi.yoroi.company/submissions/7512fc6f33eeed3cdca6d046cbdfcb4a072d43a3c421ecc031b58cd06849561e

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:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:DetectGoMethodSignatures
Create hunting rule
Author:Wyatt Tauber
Description:Detects Go method signatures in unpacked Go binaries
Rule name:Detect_Go_GOMAXPROCS
Create hunting rule
Author:Obscurity Labs LLC
Description:Detects Go binaries by the presence of runtime.GOMAXPROCS in the runtime metadata
Rule name:Detect_PowerShell_Obfuscation
Create hunting rule
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:enterpriseunix2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise UNIX
Rule name:F01_s1ckrule
Create hunting rule
Author:s1ckb017
Rule name:GoBinTest
Create hunting rule
Rule name:golang
Create hunting rule
Rule name:golang_binary_string
Create hunting rule
Description:Golang strings present
Rule name:golang_duffcopy_amd64
Create hunting rule
Rule name:Golang_Find_CSC846
Create hunting rule
Author:Ashar Siddiqui
Description:Find Go Signatuers
Rule name:Golang_Find_CSC846_Simple
Create hunting rule
Author:Ashar Siddiqui
Description:Find Go Signatuers
Rule name:identity_golang
Create hunting rule
Author:Eric Yocam
Description:find Golang malware
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:mht_inside_word
Create hunting rule
Author:dPhish
Description:Detect embedded mht files inside microsfot word.
Rule name:ProgramLanguage_Golang
Create hunting rule
Author:albertzsigovits
Description:Application written in Golang programming language
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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:Suspicious_Golang_Binary
Create hunting rule
Author:Tim Machac
Description:Triage: Golang-compiled binary with suspicious OS/persistence/network strings (not family-specific)
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
Rule name:unixredflags3
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags
Rule name:vmdetect
Create hunting rule
Author:nex
Description:Possibly employs anti-virtualization techniques

File information

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

Comments