MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 99e3eaac03d77c6b24ebd5a17326ba051788d58f1f1d4aa6871310419a85d8af. 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
MarsStealer
Vendor detections: 17
| SHA256 hash: | 99e3eaac03d77c6b24ebd5a17326ba051788d58f1f1d4aa6871310419a85d8af |
|---|---|
| SHA3-384 hash: | 2bb99054e0d7330a93828ccc60a50664c9c95775e6ce8b69c3e65a020f0586a1d31469582086804edfe0de08f8fec359 |
| SHA1 hash: | 37dafeb7ea62e155ff3f2d47f84011b24ef8ba2b |
| MD5 hash: | 582c09e30698672fd833e6e6c0dc506e |
| humanhash: | zulu-fruit-comet-pasta |
| File name: | file |
| Download: | download sample |
| Signature | MarsStealer |
| File size: | 1'745'408 bytes |
| First seen: | 2024-09-12 01:10:32 UTC |
| Last seen: | 2024-09-13 10:53:08 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 2eabe9054cad5152567f0699947a2c5b (2'852 x LummaStealer, 1'312 x Stealc, 1'026 x Healer) |
| ssdeep | 49152:31U0cR91UH/HfSve4TthkZ71pGjYgvsiX+xmc5Q:FUXR91UH/KvXTPkDYc+sQl |
| TLSH | T13D8533AB8BF1F160D1C0D03DB7876BD579B89651D04BD12BF8B28D24CAABB9E25B0405 |
| 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 KioskMode MarsStealer |
Intelligence
File Origin
# of uploads :
4
# of downloads :
388
Origin country :
USVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-09-12 01:13:17 UTC
Tags:
stealer stealc
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Verdict:
Malicious
Score:
95.7%
Tags:
Infostealer Network Stealth Crypt
Result
Verdict:
Malware
Maliciousness:
Behaviour
Сreating synchronization primitives
Searching for analyzing tools
Searching for the window
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Connection attempt to an infection source
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
microsoft_visual_cc packed
Verdict:
Malicious
Labled as:
Trojan.Generic
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:
Unknown
Result
Threat name:
Stealc
Detection:
malicious
Classification:
troj.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
Hides threads from debuggers
Machine Learning detection for sample
Multi AV Scanner detection for domain / URL
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)
Yara detected Powershell download and execute
Yara detected Stealc
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
PE
Threat name:
Win32.Trojan.Generic
Status:
Malicious
First seen:
2024-09-12 01:11:06 UTC
File Type:
PE (Exe)
AV detection:
15 of 38 (39.47%)
Threat level:
2/5
Detection(s):
Malicious file
Verdict:
malicious
Result
Malware family:
stealc
Score:
10/10
Tags:
family:stealc botnet:rave discovery evasion stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
System Location Discovery: System Language Discovery
Suspicious use of NtSetInformationThreadHideFromDebugger
Checks BIOS information in registry
Identifies Wine through registry keys
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Stealc
Malware Config
C2 Extraction:
http://185.215.113.103
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
b6e60df9eb70c055002e94d0aeec0cc14a72fe3142d0d0fa83293ed146e88dd0
MD5 hash:
5760be15646c14cb88769a1d02251baa
SHA1 hash:
a3b8685bf66d92c2099561548e0a152a502c0862
Detections:
stealc
win_stealc_w0
win_stealc_a0
SH256 hash:
99e3eaac03d77c6b24ebd5a17326ba051788d58f1f1d4aa6871310419a85d8af
MD5 hash:
582c09e30698672fd833e6e6c0dc506e
SHA1 hash:
37dafeb7ea62e155ff3f2d47f84011b24ef8ba2b
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. |
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 |
Comments
Login required
You need to login to in order to write a comment. Login with your abuse.ch account.