MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 903e3b20852eb6b2981336d045befc77286299d461af10658b68b20912d00c00. 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



AmateraStealer


Vendor detections: 11


Intelligence 11 IOCs YARA 4 File information Comments

SHA256 hash: 903e3b20852eb6b2981336d045befc77286299d461af10658b68b20912d00c00
SHA3-384 hash: ec9647a122e23b638ed0acb38c7bfabfdbb9d05e1203bd4ae5a26bbbf4cd5bbd6f599267486dc788bd1ff9f14b535c2d
SHA1 hash: d838f28b59ce1762e15090f273e539e88c7a2c11
MD5 hash: 3b1646a664c69643460c8b53c566200a
humanhash: bravo-butter-romeo-music
File name:Win_Driver_SSL_support_v43.22.209.44.exe
Download: download sample
Signature AmateraStealer
File size:3'423'120 bytes
First seen:2026-03-05 07:07:37 UTC
Last seen:2026-03-05 11:54:19 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 20dd26497880c05caed9305b3c8b9109 (31 x Adware.Auslogics, 13 x HijackLoader, 5 x Adware.IObit)
ssdeep 49152:LUQf9mucJZCliSAbFXHrZy0HCxgdjmyZ3xoJt17kLz5P3mucJZCliSAbFXHrZy0j:3fQbClDC9Fj6jkLlP2bClDC9Fjd
TLSH T148F52312BFDB19B3E312093AAD05D410CD62FAE111D1B1222CB8D78E1DFB8555ABAF52
TrID 34.0% (.EXE) Win64 Executable (generic) (6522/11/2)
23.5% (.EXE) Win32 Executable (generic) (4504/4/1)
10.8% (.EXE) Win16/32 Executable Delphi generic (2072/23)
10.6% (.EXE) OS/2 Executable (generic) (2029/13)
10.4% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
Reporter abuse_ch
Tags:AmateraStealer exe

Intelligence


File Origin
# of uploads :
3
# of downloads :
108
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
Win_Driver_SSL_support_v43.22.209.44.exe
Verdict:
Malicious activity
Analysis date:
2026-03-05 06:23:30 UTC
Tags:
delphi inno installer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
94.9%
Tags:
injection obfusc crypt
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
embarcadero_delphi expired-cert fingerprint genheur installer installer-heuristic invalid-signature overlay overlay packed shelma signed soft-404
Result
Gathering data
Verdict:
Malicious
File Type:
exe x32
Detections:
Trojan-PSW.Win32.Amatera.sb Trojan-PSW.Win32.ACRstealer.gen Trojan.Win32.Shelma.sb HEUR:Trojan.Win32.Shelma.gen
Result
Threat name:
Amatera Stealer
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
AI detected suspicious PE digital signature
Allocates memory in foreign processes
Antivirus detection for URL or domain
Contains functionality to hide a thread from the debugger
Creates a thread in another existing process (thread injection)
Found direct / indirect Syscall (likely to bypass EDR)
Found many strings related to Crypto-Wallets (likely being stolen)
Hides threads from debuggers
Joe Sandbox ML detected suspicious sample
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
Unusual module load detection (module proxying)
Writes to foreign memory regions
Yara detected Amatera Stealer
Behaviour
Behavior Graph:
Gathering data
Verdict:
malicious
Label(s):
unc_loader_053
Similar samples:
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery execution installer spyware stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Inno Setup is an open-source installation builder for Windows applications.
Command and Scripting Interpreter: PowerShell
System Location Discovery: System Language Discovery
Suspicious use of NtSetInformationThreadHideFromDebugger
Accesses cryptocurrency files/wallets, possible credential harvesting
Reads user/profile data of web browsers
Unpacked files
SH256 hash:
903e3b20852eb6b2981336d045befc77286299d461af10658b68b20912d00c00
MD5 hash:
3b1646a664c69643460c8b53c566200a
SHA1 hash:
d838f28b59ce1762e15090f273e539e88c7a2c11
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:Borland
Author:malware-lu
Rule name:pe_detect_tls_callbacks
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns

File information


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

Web download

AmateraStealer

Executable exe 903e3b20852eb6b2981336d045befc77286299d461af10658b68b20912d00c00

(this sample)

  
Delivery method
Distributed via web download

Comments