MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 91ba938ce71b08ce44d7a11f8ece24bc8054a98becf5d6b17709d17b46b3554e. 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
| SHA256 hash: | 91ba938ce71b08ce44d7a11f8ece24bc8054a98becf5d6b17709d17b46b3554e |
|---|---|
| SHA3-384 hash: | 65012a282ce9542a2c3677b3092354582379e1c52d55fb0921017cb8c20c7d298622110910d7aa752a6d8cd182c3936d |
| SHA1 hash: | 171d30eb848900b57c336ac3bd686753adbd80c0 |
| MD5 hash: | 4aaac72f9c801a58d39470d37b571745 |
| humanhash: | autumn-william-mexico-edward |
| File name: | file |
| Download: | download sample |
| Signature | Stealc |
| File size: | 1'873'920 bytes |
| First seen: | 2024-09-23 19:07:19 UTC |
| Last seen: | 2024-09-23 19:31:06 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 2eabe9054cad5152567f0699947a2c5b (2'852 x LummaStealer, 1'312 x Stealc, 1'026 x Healer) |
| ssdeep | 49152:V56WZ0o5vwdiitsaBJouSlShGZS6X3Dg4wj2OGQ4ss:aW6gvw44s26NM7W3Bwj2Om |
| TLSH | T1278533485B8AF0D5FDB3313BD8FA173C37B08B3E82A7190A5D9661E601874CEB6E2551 |
| 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 |
Intelligence
File Origin
# of uploads :
3
# of downloads :
447
Origin country :
USVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-09-23 19:07:58 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:
94.9%
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
Verdict:
Malicious
Labled as:
Malware
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.
Verdict:
Suspicious
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
Antivirus detection for URL or domain
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
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:
Score:
100%
Verdict:
Malware
File Type:
PE
Threat name:
Win32.Trojan.Generic
Status:
Malicious
First seen:
2024-09-23 19:08:06 UTC
File Type:
PE (Exe)
AV detection:
22 of 24 (91.67%)
Threat level:
2/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
stealc
Result
Malware family:
stealc
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:
Malicious
Tags:
stealc
YARA:
n/a
Unpacked files
SH256 hash:
399bd6599d2fa1def5e6ec30c5a89d844d3b783090b2dc07919bd0dfb7f24846
MD5 hash:
261874ab2cea05e29c97d5381214a1f3
SHA1 hash:
4abfebaaf14fdeb0544290252f22b993cd0eb58a
Detections:
stealc
win_stealc_w0
win_stealc_a0
SH256 hash:
91ba938ce71b08ce44d7a11f8ece24bc8054a98becf5d6b17709d17b46b3554e
MD5 hash:
4aaac72f9c801a58d39470d37b571745
SHA1 hash:
171d30eb848900b57c336ac3bd686753adbd80c0
Malware family:
Stealc
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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: | Detect_Malicious_VBScript_Base64 |
|---|---|
| Author: | daniyyell |
| Description: | Detects malicious VBScript patterns, including Base64 decoding, file operations, and PowerShell. |
| 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
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
| ID | Title | Severity |
|---|---|---|
| CHECK_AUTHENTICODE | Missing Authenticode | high |
| CHECK_DLL_CHARACTERISTICS | Missing dll Security Characteristics (HIGH_ENTROPY_VA) | high |
| CHECK_NX | Missing Non-Executable Memory Protection | critical |
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