MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 5a85aa8e4887abbb1555ccd0df46daeb766d3f9e56eddbe8fbc219bb57b82238. 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: 16
| SHA256 hash: | 5a85aa8e4887abbb1555ccd0df46daeb766d3f9e56eddbe8fbc219bb57b82238 |
|---|---|
| SHA3-384 hash: | 463a9c2bcb01147f56c57393b19409833c1e982ab5ac279ecd6325faf7e1701207d10669dd5e058696af68dc6a9899a2 |
| SHA1 hash: | e03cf4406b4eb1c3f8dffd27f575ee7c982cee61 |
| MD5 hash: | 4c06a5c65195195c959092af9854e261 |
| humanhash: | ceiling-white-delta-jupiter |
| File name: | 4c06a5c65195195c959092af9854e261 |
| Download: | download sample |
| Signature | MarsStealer |
| File size: | 2'066'944 bytes |
| First seen: | 2024-11-03 12:05:51 UTC |
| Last seen: | 2024-11-03 13:32:38 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:CKp2w2Ck2boh1Ma5uv8uoy5QLTiXuhh6Pybyx+u:nOH6QuUby5uiXuP6PyW |
| TLSH | T1DAA533EAAE4DD4B6E03E42B540848E84A4D40F5960EE64DD8E5C83EEF5F0ED51CB6336 |
| 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 |  zbetcheckin |
| Tags: | 32 exe MarsStealer |
Intelligence
File Origin
# of uploads :
27
# of downloads :
419
Origin country :
FRVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
4c06a5c65195195c959092af9854e261
Verdict:
Malicious activity
Analysis date:
2024-11-03 12:08:05 UTC
Tags:
stealer stealc
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
96.5%
Tags:
vmdetect spam
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Сreating synchronization primitives
Searching for analyzing tools
Creating a file
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 packed packer_detected
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
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
Detection:
malicious
Classification:
troj.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
Hides threads from debuggers
Machine Learning detection for sample
PE file contains section with special chars
Sample uses string decryption to hide its real strings
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.Amadey
Status:
Suspicious
First seen:
2024-11-03 12:06:12 UTC
File Type:
PE (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
stealc
Score:
10/10
Tags:
family:stealc botnet:tale 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
Stealc family
Malware Config
C2 Extraction:
http://185.215.113.206
Verdict:
Malicious
Tags:
stealc
YARA:
n/a
Unpacked files
SH256 hash:
81a4f37c5495800b7cc46aea6535d9180dadb5c151db6f1fd1968d1cd8c1eeb4
MD5 hash:
eda18948a989176f4eebb175ce806255
SHA1 hash:
ff22a3d5f5fb705137f233c36622c79eab995897
SH256 hash:
38ba62a65637051d765439c0c04f1e1c1c6852fb2761c3d8f003e49712313300
MD5 hash:
e7bd943dc9a9a267c3b79efec00129e3
SHA1 hash:
f964f58c54c79f0b4f98e1591b0fe6d48f898bbc
Detections:
stealc
win_stealc_w0
win_stealc_a0
detect_Mars_Stealer
SH256 hash:
5a85aa8e4887abbb1555ccd0df46daeb766d3f9e56eddbe8fbc219bb57b82238
MD5 hash:
4c06a5c65195195c959092af9854e261
SHA1 hash:
e03cf4406b4eb1c3f8dffd27f575ee7c982cee61
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: | 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
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
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