MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 33f18af6bba7f738ab28a89519ccb78ecebdeaf1e0cb1c8e4c65d010838d537b. 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



StealeriumStealer


Vendor detections: 14


Intelligence 14 IOCs YARA 21 File information Comments

SHA256 hash: 33f18af6bba7f738ab28a89519ccb78ecebdeaf1e0cb1c8e4c65d010838d537b
SHA3-384 hash: 9d32e044e30490dadafcaf8f47849b633258de1937c057ad2a4da8cff34ef99a5c3184ba760aed2a0f80de14d60a9e59
SHA1 hash: 2454360a2f79402349ab3d737cdde329bfb1750b
MD5 hash: 835bd66c367b04f3be9e8f7fcacb6310
humanhash: july-gee-speaker-south
File name:cYnH9t8.exe
Download: download sample
Signature StealeriumStealer
File size:6'368'256 bytes
First seen:2025-07-05 19:01:12 UTC
Last seen:2025-07-05 19:10:13 UTC
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 196608:fSkSIlLTUcwti7TQl2NgVg01MWAXAkuujCPX9YG9he5GnQCAJKN:akSopwtQQl2aOtXADu8X9Y95GQLJ
TLSH T1BD56334067F4464AF1BF6EB8F87246009EB2B91BD931D64C1998109D0F76F84EE22B77
TrID 44.4% (.EXE) Win64 Executable (generic) (10522/11/4)
21.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
8.7% (.ICL) Windows Icons Library (generic) (2059/9)
8.5% (.EXE) OS/2 Executable (generic) (2029/13)
8.4% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
Reporter skocherhan
Tags:176-46-157-32 exe StealeriumStealer


Avatar
skocherhan
http://176.46.157.32/files/1015023563/cYnH9t8.exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
28
Origin country :
GB GB
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
rl_33f18af6bba7f738ab28a89519ccb78ecebdeaf1e0cb1c8e4c65d010838d537b
Verdict:
Malicious activity
Analysis date:
2025-07-05 19:07:22 UTC
Tags:
github telegram stealer evasion stealerium ims-api generic

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
infosteal vmdetect
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Using the Windows Management Instrumentation requests
DNS request
Connection attempt
Sending a custom TCP request
Enabling the 'hidden' option for analyzed file
Reading critical registry keys
Creating a file
Creating a file in the %temp% directory
Creating a window
Launching a process
Creating a process with a hidden window
Running batch commands
Launching the process to change network settings
Searching for synchronization primitives
Sending an HTTP GET request
Stealing user critical data
Malware family:
Stealerium Stealer
Verdict:
Malicious
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable PE (Portable Executable) Win 64 Exe x64
Verdict:
Malicious
Threat:
ByteCode-MSIL.Infostealer.Polazert
Threat name:
Win64.Spyware.Negasteal
Status:
Malicious
First seen:
2025-07-05 19:01:25 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
21
AV detection:
22 of 24 (91.67%)
Threat level:
  2/5
Result
Malware family:
stealerium
Score:
  10/10
Tags:
family:stealerium collection credential_access defense_evasion discovery persistence privilege_escalation spyware stealer
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Enumerates system info in registry
Kills process with taskkill
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Browser Information Discovery
Enumerates physical storage devices
Event Triggered Execution: Netsh Helper DLL
System Network Configuration Discovery: Wi-Fi Discovery
Accesses Microsoft Outlook profiles
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Checks computer location settings
Reads user/profile data of web browsers
Uses browser remote debugging
Stealerium
Stealerium family
Malware Config
C2 Extraction:
https://api.telegram.org/bot7752834125:AAHvshK8jW9hVqllXZmCuYEH-L7DBMF0FG8/sendMessage?chat_id=
Verdict:
Malicious
Tags:
stealer stealerium Win.Packed.Msilzilla-10005488-0
YARA:
MALWARE_Win_Multi_Family_Infostealer MALWARE_Win_Stealerium
Unpacked files
SH256 hash:
33f18af6bba7f738ab28a89519ccb78ecebdeaf1e0cb1c8e4c65d010838d537b
MD5 hash:
835bd66c367b04f3be9e8f7fcacb6310
SHA1 hash:
2454360a2f79402349ab3d737cdde329bfb1750b
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:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:Detect_PowerShell_Obfuscation
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:FreddyBearDropper
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:grakate_stealer_nov_2021
Rule name:INDICATOR_EXE_Packed_Fody
Author:ditekSHen
Description:Detects executables manipulated with Fody
Rule name:INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs
Author:ditekSHen
Description:Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs.
Rule name:INDICATOR_SUSPICIOUS_EXE_CC_Regex
Author:ditekSHen
Description:Detects executables referencing credit card regular expressions
Rule name:INDICATOR_SUSPICIOUS_EXE_Discord_Regex
Author:ditekSHen
Description:Detects executables referencing Discord tokens regular expressions
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_SQLQuery_ConfidentialDataStore
Author:ditekSHen
Description:Detects executables containing SQL queries to confidential data stores. Observed in infostealers
Rule name:INDICATOR_SUSPICIOUS_EXE_WirelessNetReccon
Author:ditekSHen
Description:Detects executables with interest in wireless interface using netsh
Rule name:Macos_Infostealer_Wallets_8e469ea0
Author:Elastic Security
Rule name:MALWARE_Win_Multi_Family_InfoStealer
Author:ditekSHen
Description:Detects Prynt, WorldWind, DarkEye, Stealerium and ToxicEye / TelegramRAT infostealers
Rule name:MALWARE_Win_Stealerium
Author:ditekSHen
Description:Detects Stealerium infostealer
Rule name:NET
Author:malware-lu
Rule name:pe_no_import_table
Description:Detect pe file that no import table
Rule name:RANSOMWARE
Author:ToroGuitar
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)
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information


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

Web download

StealeriumStealer

Executable exe 33f18af6bba7f738ab28a89519ccb78ecebdeaf1e0cb1c8e4c65d010838d537b

(this sample)

  
Delivery method
Distributed via web download

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high
CHECK_TRUST_INFORequires Elevated Execution (Unrestricted:true)high

Comments