MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a50e64fb1679395bd7627bc0811b69cf013ff482bc9b2fe25d1d6e24fc34225a. 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



ACRStealer


Vendor detections: 11


Intelligence 11 IOCs YARA 4 File information Comments

SHA256 hash: a50e64fb1679395bd7627bc0811b69cf013ff482bc9b2fe25d1d6e24fc34225a
SHA3-384 hash: 6e0df12c8543ef122257bb937c3cf04e59bcd84deeaf7b49c017db687ab2efbda5d4dd7cb0cfc3929c6f0f6966e85057
SHA1 hash: cb3f6a3214ebb2710b35a363c07347cacc810429
MD5 hash: 7270e484bc8c551241ca5cbd674f1d44
humanhash: echo-delta-ohio-robert
File name:stage1.ps1
Download: download sample
Signature ACRStealer
File size:6'853 bytes
First seen:2026-03-24 10:28:44 UTC
Last seen:Never
File type:PowerShell (PS) ps1
MIME type:text/plain
ssdeep 192:rCP28BhakWrr/yLKiJ3jKcfCZVqSYdJ8v2GkxT2KqmFhyMCh:GP28BhakWrr/yui9KKCZgSYdJdGEqDoq
Threatray 61 similar samples on MalwareBazaar
TLSH T18AE1107DAA79ECC403EEB0D05AA63E0620595B63D371196CF9D908D62D782C8DF3E24D
TrID 50.0% (.INI) Generic INI configuration (1000/1)
50.0% (.JSON) JSON array (generic) (1000/1)
Magika powershell
Reporter smica83
Tags:ACRStealer HUN ps1

Intelligence


File Origin
# of uploads :
1
# of downloads :
53
Origin country :
HU HU
Vendor Threat Intelligence
No detections
Verdict:
Malicious
Score:
99.9%
Tags:
ransomware shell sage
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
base64 obfuscated obfuscated powershell powershell
Result
Threat name:
Amatera Stealer
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
AI detected malicious Powershell script
Creates a thread in another existing process (thread injection)
Found many strings related to Crypto-Wallets (likely being stolen)
Found suspicious powershell code related to unpacking or dynamic code loading
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Crypto Currency Wallets
Writes to foreign memory regions
Yara detected Amatera Stealer
Behaviour
Behavior Graph:
Gathering data
Threat name:
Text.Browser.Boxter
Status:
Malicious
First seen:
2026-03-23 18:29:56 UTC
File Type:
Text (PowerShell)
AV detection:
7 of 24 (29.17%)
Threat level:
  4/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery execution phishing spyware
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: PowerShell
System Location Discovery: System Language Discovery
Accesses cryptocurrency files/wallets, possible credential harvesting
A potential corporate email address has been identified in the URL: pWGKGa@k.to
Badlisted process makes network request
Please note that we are no longer able to provide a coverage score for Virus Total.

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:SUSP_PowerShell_Base64_Decode
Author:SECUINFRA Falcon Team
Description:Detects PowerShell code to decode Base64 data. This can yield many FP
Rule name:SUSP_PS1_FromBase64String_Content_Indicator_RID3714
Author:Florian Roth
Description:Detects suspicious base64 encoded PowerShell expressions
Reference:https://gist.github.com/Neo23x0/6af876ee72b51676c82a2db8d2cd3639
Rule name:SUSP_PS1_JAB_Pattern_Jun22_1
Author:Florian Roth (Nextron Systems)
Description:Detects suspicious UTF16 and Base64 encoded PowerShell code that starts with a $ sign and a single char variable
Reference:Internal Research
Rule name:Sus_CMD_Powershell_Usage
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.

ACRStealer

PowerShell (PS) ps1 a50e64fb1679395bd7627bc0811b69cf013ff482bc9b2fe25d1d6e24fc34225a

(this sample)

Comments