MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c97997920211f7f961fe58678ed968787d498dbce0a57493ace8287227a5c0bf. 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: 14


Intelligence 14 IOCs YARA 1 File information Comments

SHA256 hash: c97997920211f7f961fe58678ed968787d498dbce0a57493ace8287227a5c0bf
SHA3-384 hash: 3c49341bd2c4a6f5da99852436f0009c46305416e0ab257d488a9f87ca5a20bcc75af1099bfea8b34112b1006cd985e1
SHA1 hash: b15ff85b5855a87f3a314d1623361674ccb39de9
MD5 hash: eebf3f46fb4706e11c55271f7197a08c
humanhash: oscar-uniform-oregon-twenty
File name:file
Download: download sample
Signature Stealc
File size:1'765'376 bytes
First seen:2024-11-11 21:52:24 UTC
Last seen:2024-11-11 22:18:28 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 24576:+YDyJqFpCBk+4AX5Qy9AR/1AgIk/4+XMlsuwUjfP7qFg0BOZIXDnLOgrD:RRp1WXlAckgxlwUj7qFnnD
TLSH T18D8533A53B08FB5ACDB49F35FAD87EB9D560AC423CE0DB27E968205243AF7749503814
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://185.215.113.16/steam/random.exe

Intelligence


File Origin
# of uploads :
4
# of downloads :
576
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-11-11 21:55:12 UTC
Tags:
stealer stealc

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
92.5%
Tags:
vmdetect 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 packed packer_detected
Result
Threat name:
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
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:
Threat name:
Win32.Spyware.Lummastealer
Status:
Suspicious
First seen:
2024-11-11 21:53:05 UTC
File Type:
PE (Exe)
AV detection:
13 of 24 (54.17%)
Threat level:
  2/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery evasion
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)
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
03f1919ec3a9ea5198dd9e8f467c2dde9981f5939163faf75f1cb2ec76af5d2d
MD5 hash:
24b7730b77c891281a541fee80af7cea
SHA1 hash:
d7fad797a39d65bc5ddd8bb7dbf3f181c991ecf2
Detections:
win_stealc_w0 win_stealc_a0
SH256 hash:
c97997920211f7f961fe58678ed968787d498dbce0a57493ace8287227a5c0bf
MD5 hash:
eebf3f46fb4706e11c55271f7197a08c
SHA1 hash:
b15ff85b5855a87f3a314d1623361674ccb39de9
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 c97997920211f7f961fe58678ed968787d498dbce0a57493ace8287227a5c0bf

(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

Comments