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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4b3c828ae6db6e1c00ebc576b09d7f8bd4cd5db39ca776a5eb59438d144f7fc8. 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


Vidar


Vendor detections: 6


Intelligence 6 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4b3c828ae6db6e1c00ebc576b09d7f8bd4cd5db39ca776a5eb59438d144f7fc8
SHA3-384 hash: 4228f85e0632b4913cc08e2629adba996b2e6aec183d05008e4661b65bc1255665fdb4dbc5bc812d6380474e72914d7a
SHA1 hash: 0eec1b40b15d028ddaf66e72a3c0afb6e0ac6dd9
MD5 hash: ed859ec5c41768b2e655ad8169b83098
humanhash: december-maine-carbon-mockingbird
File name:4b3c828ae6db6e1c00ebc576b09d7f8bd4cd5db39ca776a5eb59438d144f7fc8.bin
Download: download sample
Signature Vidar
Create hunting rule
File size:1'458'298 bytes
First seen:2026-09-15 16:13:00 UTC
Last seen:Never
File type:PowerShell (PS) ps1
MIME type:text/plain
ssdeep 12288:WaLulPOItvZGzzV9sd4qOnPIQOTtekvVoiIiRUQgfcjfnoOpZVEeDq0zduiMeT06:G
TLSH T19E6511523651FD7D029693B17E1646F0A46ACA40CFDF8556F24DCE88A14EC863AFA3C3
Magika powershell
Reporter Anonymous
Tags:AnimateClipper ClearFake Clipper Loader ps1 vidar webdav ZigClipper

Intelligence

File Origin
# of uploads :
1
# of downloads :
31
Origin country :
CH CH
Vendor Threat Intelligence
No detections
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
evasive lolbin masquerade powershell rundll32
Link:
https://www.filescan.io/uploads/6aa97f3e663bc310dab84087/reports/7548c222-5b1e-4c45-8c90-2dbbe84a719d/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/4b3c828ae6db6e1c00ebc576b09d7f8bd4cd5db39ca776a5eb59438d144f7fc8
Score:
76%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/4b3c828ae6db6e1c00ebc576b09d7f8bd4cd5db39ca776a5eb59438d144f7fc8
Verdict:
Malware
YARA:
2 match(es)
Tags:
PowerShell T1059.001 T1105
Link:
https://app.malva.re/file/ed859ec5c41768b2e655ad8169b83098
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4b3c828ae6db6e1c00ebc576b09d7f8bd4cd5db39ca776a5eb59438d144f7fc8/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jm6ifcxg3nxbyahlyv3lbhl7rpkm2xnttstxnjpllfby2fcpp7ea._file
Result
Malware family:
acrstealer
Create hunting rule
Score:
  10/10
Tags:
family:acrstealer discovery execution persistence spyware stealer
Link:
https://tria.ge/reports/260915-vytdaa1fjg/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies data under HKEY_USERS
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Browser Information Discovery
Command and Scripting Interpreter: PowerShell
Enumerates physical storage devices
System Location Discovery: System Language Discovery
System Time Discovery
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Badlisted process makes network request
Family: ACR stealer,GrMsk
Suspicious use of NtCreateUserProcessOtherParentProcess
Malware Config
C2 Extraction:
mail.novaform.cc
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/4b3c828ae6db6e1c00ebc576b09d7f8bd4cd5db39ca776a5eb59438d144f7fc8

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:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:detect_powershell
Create hunting rule
Author:daniyyell
Description:Detects suspicious PowerShell activity related to malware execution
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:Sus_CMD_Powershell_Usage
Create hunting rule
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)

File information

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

Comments