MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2aa7c7b048a8f6309e245775046bd05d66a823b3a1a911d9bf93817cb91b3fb2. 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



Stealc


Vendor detections: 17


Intelligence 17 IOCs YARA 1 File information Comments

SHA256 hash: 2aa7c7b048a8f6309e245775046bd05d66a823b3a1a911d9bf93817cb91b3fb2
SHA3-384 hash: fc6bf37b1306d430c4f4600c2868de4ab92d7a2931baac2994455b8fa61c36c130cfe27eb7bf7ecf5e0cd9f934cbad53
SHA1 hash: 6bfb3bb1d779fef57f257fc9d50c63f59cc0f3a4
MD5 hash: e1c0394f65e9cb401f5140cee31b07b5
humanhash: tennis-lion-north-zebra
File name:file
Download: download sample
Signature Stealc
File size:1'814'016 bytes
First seen:2024-09-27 16:06:55 UTC
Last seen:2024-09-27 16:12:14 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 2eabe9054cad5152567f0699947a2c5b (2'852 x LummaStealer, 1'312 x Stealc, 1'026 x Healer)
ssdeep 49152:XUE7mfsDKYpCbEYtTXEhbsoUroz5Yn0h3CAI3UXN:XU2ocKYY9oo9ro9+WCrk
Threatray 1 similar samples on MalwareBazaar
TLSH T17B8533747CE81280CDCE487BC2A69F8FAF5A6F1717DB78144A17CC760AB708AB42E545
TrID 27.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
20.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
18.6% (.EXE) Win32 Executable (generic) (4504/4/1)
8.5% (.ICL) Windows Icons Library (generic) (2059/9)
8.3% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
Reporter Bitsight
Tags:exe Stealc


Avatar
Bitsight
url: http://185.215.113.103/steam/random.exe

Intelligence


File Origin
# of uploads :
6
# of downloads :
428
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-09-27 16:46:11 UTC
Tags:
stealer stealc loader themida

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
Infostealer Network Stealth Vmdetect Lien Spam
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Searching for analyzing tools
Searching for the window
Running batch commands
Creating a process with a hidden window
Launching a process
Connection attempt to an infection source
Sending an HTTP GET request to an infection source
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-vm microsoft_visual_cc packed
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
Stealc, Vidar
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Found evasive API chain (may stop execution after checking locale)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Hides threads from debuggers
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
PE file contains section with special chars
Searches for specific processes (likely to inject)
Suricata IDS alerts for network traffic
Tries to detect process monitoring tools (Task Manager, Process Explorer etc.)
Tries to detect sandboxes / dynamic malware analysis system (registry check)
Tries to detect sandboxes and other dynamic analysis tools (window names)
Tries to detect virtualization through RDTSC time measurements
Tries to evade debugger and weak emulator (self modifying code)
Tries to harvest and steal Bitcoin Wallet information
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to steal Crypto Currency Wallets
Tries to steal Mail credentials (via file / registry access)
Yara detected Powershell download and execute
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Threat name:
Win32.Spyware.Stealc
Status:
Suspicious
First seen:
2024-09-27 16:07:10 UTC
File Type:
PE (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  2/5
Verdict:
malicious
Label(s):
Result
Malware family:
Score:
  10/10
Tags:
family:stealc botnet:save credential_access discovery evasion spyware stealer
Behaviour
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
System Location Discovery: System Language Discovery
Suspicious use of NtSetInformationThreadHideFromDebugger
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Checks BIOS information in registry
Identifies Wine through registry keys
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Unsecured Credentials: Credentials In Files
Downloads MZ/PE file
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Stealc
Malware Config
C2 Extraction:
http://185.215.113.37
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
bafd03ad035c5529c7154451874c679c6a4086e1b0006454f16cfb58c29b8336
MD5 hash:
b491b288829ec71f74e0c80907416835
SHA1 hash:
f617c48d68b988e7b15d353ced54cc7a257db979
Detections:
stealc win_stealc_w0 win_stealc_a0
SH256 hash:
2aa7c7b048a8f6309e245775046bd05d66a823b3a1a911d9bf93817cb91b3fb2
MD5 hash:
e1c0394f65e9cb401f5140cee31b07b5
SHA1 hash:
6bfb3bb1d779fef57f257fc9d50c63f59cc0f3a4
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:vmdetect
Author:nex
Description:Possibly employs anti-virtualization techniques

File information


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

Web download

Stealc

Executable exe 2aa7c7b048a8f6309e245775046bd05d66a823b3a1a911d9bf93817cb91b3fb2

(this sample)

  
Dropped by
Amadey
  
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 (HIGH_ENTROPY_VA)high
CHECK_NXMissing Non-Executable Memory Protectioncritical

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