MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4fd1b4d687a1ae686bfef4cb3dc09c96c4d4e12f22e7f46d2eadd24903a44888. 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: 15


Intelligence 15 IOCs YARA 32 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4fd1b4d687a1ae686bfef4cb3dc09c96c4d4e12f22e7f46d2eadd24903a44888
SHA3-384 hash: 41c17f7b151eca51203b4d60bd7025ff18e4706e3e5b3f9cf8392fe82f76887dc5ed1154d9f124bd9c5aba81d8be60af
SHA1 hash: 39bb68d134fa39b1d295917c7730f7b0569a1fa4
MD5 hash: 02c0b897cf5fbd8a6bc2db316c40fd43
humanhash: burger-high-mango-magazine
File name:02c0b897cf5fbd8a6bc2db316c40fd43.exe
Download: download sample
Signature AmateraStealer
Create hunting rule
File size:33'481'492 bytes
First seen:2026-02-28 09:52:29 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 492a5d3560401c2811de048088bf91d0 (4 x DonutLoader, 2 x HijackLoader, 1 x QuasarRAT)
ssdeep 393216:hCOAgxozLO6KYyqshhvSHtkeZU4iC4eU1Ubjg4oU3MihAH4KzdfngwCXpbVidaJu:r/rde4xyd3dQ7
Threatray 26 similar samples on MalwareBazaar
TLSH T13D777B42A29D48B1D0EED1BAC11E869FE6A57D005321A6EF0195F579AF333C06EF9730
TrID 88.5% (.EXE) WinRAR Self Extracting archive (4.x-5.x) (265042/9/39)
5.5% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
2.1% (.EXE) Win64 Executable (generic) (6522/11/2)
1.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
0.6% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
Reporter abuse_ch
Tags:AmateraStealer exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
128
Origin country :
SE SE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/5b3366e8-5966-4ec5-9595-3622a159fc28/
Malware family:
n/a
ID:
1
File name:
02c0b897cf5fbd8a6bc2db316c40fd43.exe
Verdict:
Malicious activity
Analysis date:
2026-02-28 09:59:36 UTC
Tags:
hijackloader loader stealer auto-startup python
Link:
https://app.any.run/tasks/f16a3550-7c56-4137-b05e-1412dc3fdca9

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
98.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=69a2bb168fffa866e3b3368f
Tags:
ransomware dropper virus
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/4fd1b4d687a1ae686bfef4cb3dc09c96c4d4e12f22e7f46d2eadd24903a44888
Verdict:
Malicious
File Type:
exe x64
Detections:
Trojan-PSW.Win32.Amatera.sb Trojan.Win32.Strab.sb Trojan.Win32.Penguish.sb Trojan.Win32.Penguish.gpr Trojan.Win32.Inject.sb Trojan.Win32.Agent.sb Trojan.Win64.Penguish.sbd PDM:Trojan.Win32.Generic
Link:
https://opentip.kaspersky.com/4fd1b4d687a1ae686bfef4cb3dc09c96c4d4e12f22e7f46d2eadd24903a44888/results?tab=lookup
Result
Threat name:
Amatera Stealer, HijackLoader
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1876310
Signature
Antivirus detection for dropped file
Drops PE files to the user root directory
Found direct / indirect Syscall (likely to bypass EDR)
Found hidden mapped module (file has been removed from disk)
Found malware configuration
Maps a DLL or memory area into another process
Multi AV Scanner detection for submitted file
Switches to a custom stack to bypass stack traces
Unusual module load detection (module proxying)
Yara detected Amatera Stealer
Yara detected HijackLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1876310 Sample: FOeZFsi37S.exe Startdate: 28/02/2026 Architecture: WINDOWS Score: 100 38 Found malware configuration 2->38 40 Antivirus detection for dropped file 2->40 42 Multi AV Scanner detection for submitted file 2->42 44 2 other signatures 2->44 8 FOeZFsi37S.exe 29 2->8         started        process3 file4 22 C:\Users\user\AppData\...\vcruntime140_1.dll, PE32+ 8->22 dropped 24 C:\Users\user\AppData\Local\...\mfc140u.dll, PE32+ 8->24 dropped 26 C:\Users\user\AppData\...\libcrypto-1_1.dll, PE32+ 8->26 dropped 28 10 other malicious files 8->28 dropped 11 Setup.exe 25 8->11         started        process5 file6 30 C:\Users\user\PulVault.exe, PE32 11->30 dropped 32 C:\Users\user\AppData\Roaming\...\Crisp.exe, PE32 11->32 dropped 34 C:\Users\user\AppData\Local\...\5F931B6.tmp, PE32 11->34 dropped 36 13 other malicious files 11->36 dropped 46 Drops PE files to the user root directory 11->46 48 Found hidden mapped module (file has been removed from disk) 11->48 50 Maps a DLL or memory area into another process 11->50 52 2 other signatures 11->52 15 PulVault.exe 11->15         started        18 Crisp.exe 2 11->18         started        signatures7 process8 signatures9 54 Unusual module load detection (module proxying) 15->54 56 Switches to a custom stack to bypass stack traces 15->56 58 Found direct / indirect Syscall (likely to bypass EDR) 15->58 20 WerFault.exe 19 16 15->20         started        process10
Score:
64%
Verdict:
Susipicious
File Type:
PE
Link:
https://malprob.io/report/4fd1b4d687a1ae686bfef4cb3dc09c96c4d4e12f22e7f46d2eadd24903a44888
Gathering data
Verdict:
Malicious
Threat:
Family.HIJACKLOADER
Link:
https://tip.neiki.dev/file/4fd1b4d687a1ae686bfef4cb3dc09c96c4d4e12f22e7f46d2eadd24903a44888
Threat name:
Win64.Trojan.Hijackloader
Create hunting rule
Status:
Malicious
First seen:
2026-02-24 01:42:27 UTC
File Type:
PE+ (Exe)
Extracted files:
3387
AV detection:
14 of 36 (38.89%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=j7i3jvuhugxgq2766tft3qe4s3cnjyjpelt7i3jovxjesa5ejcea._file
Verdict:
malicious
Label(s):
amaterastealer
Create hunting rule
hijackloader
Create hunting rule
Similar samples:
ad81b2f47eefcdce16dfa85d8d04f5f8b3b619ca31a14273da6773847347bec8
AmateraStealer
d38997f32a5ad1ecc8894bcfee7e82b36d274dba6e4afdb7527de6b8f824ba44
AmateraStealer
error
AmateraStealer
fca44955366c9017322ed66a5f697980625b0866dfe7b5e33097a83e59bdb7bf
AmateraStealer
+ 16 additional samples on MalwareBazaar
Result
Malware family:
sectoprat
Create hunting rule
Score:
  10/10
Tags:
family:hijackloader family:sectoprat discovery execution loader persistence rat spyware stealer trojan
Link:
https://tria.ge/reports/260228-lwrx1ahw3c/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
System Location Discovery: System Language Discovery
System Time Discovery
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Adds Run key to start application
Checks installed software on the system
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Badlisted process makes network request
Command and Scripting Interpreter: PowerShell
Detects HijackLoader (aka IDAT Loader)
HijackLoader, IDAT loader, Ghostulse,
Hijackloader family
SectopRAT
SectopRAT payload
Sectoprat family
Malware family:
IDATLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4fd1b4d687a1/report/overview.html
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/4fd1b4d687a1ae686bfef4cb3dc09c96c4d4e12f22e7f46d2eadd24903a44888

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:CarbonOrchestrator_v3_77_
Create hunting rule
Rule name:CarbonOrchestrator_v3_79_
Create hunting rule
Rule name:CarbonOrchestrator_v3_81_
Create hunting rule
Rule name:CMD_Shutdown
Create hunting rule
Author:adm1n_usa32
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:crime_win32_ransom_avaddon_1
Create hunting rule
Author:@VK_Intel
Description:Detects Avaddon ransomware
Reference:https://twitter.com/VK_Intel/status/1300944441390370819
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:dgaagas
Create hunting rule
Author:Harshit
Description:Uses certutil.exe to download a file named test.txt
Rule name:FreddyBearDropper
Create hunting rule
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:HeavensGate
Create hunting rule
Author:kevoreilly
Description:Heaven's Gate: Switch from 32-bit to 64-mode
Rule name:Indicator_MiniDumpWriteDump
Create hunting rule
Author:Obscurity Labs LLC
Description:Detects PE files and PowerShell scripts that use MiniDumpWriteDump either through direct imports or string references
Rule name:INDICATOR_SUSPICIOUS_EXE_SQLQuery_ConfidentialDataStore
Create hunting rule
Author:ditekSHen
Description:Detects executables containing SQL queries to confidential data stores. Observed in infostealers
Rule name:INDICATOR_TOOL_EXP_SeriousSAM02
Create hunting rule
Author:ditekSHen
Description:Detect tool variants potentially exploiting SeriousSAM / HiveNightmare CVE-2021-36934
Rule name:malware_shellcode_hash
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect shellcode api hash value
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:Mimikatz_Generic
Create hunting rule
Author:Still
Description:attempts to match all variants of Mimikatz
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_detect_tls_callbacks
Create hunting rule
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: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:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:skip20_sqllang_hook
Create hunting rule
Author:Mathieu Tartare <mathieu.tartare@eset.com>
Description:YARA rule to detect if a sqllang.dll version is targeted by skip-2.0. Each byte pattern corresponds to a function hooked by skip-2.0. If $1_0 or $1_1 match, it is probably targeted as it corresponds to the hook responsible for bypassing the authentication.
Reference:https://www.welivesecurity.com/
Rule name:telebot_framework
Create hunting rule
Author:vietdx.mb
Rule name:vmdetect
Create hunting rule
Author:nex
Description:Possibly employs anti-virtualization techniques
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.

Comments