MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f8433d0f89128427d02347ac659a2e721641a342ebbd259998e1671bc50f84cd. 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: 16


Intelligence 16 IOCs YARA 1 File information Comments

SHA256 hash: f8433d0f89128427d02347ac659a2e721641a342ebbd259998e1671bc50f84cd
SHA3-384 hash: 9e52a43e401ab302235c456e2f694c8db5da98a52fdc18477e0262487515939e8579a22a73dfd3fc99da135833a81b3f
SHA1 hash: 0fefc72c5308499d7f3567c5b82d6fa5fb45ee2f
MD5 hash: 98ef7d0d5e6352028a8b3d15df5c7a25
humanhash: pluto-robin-helium-massachusetts
File name:file
Download: download sample
Signature Stealc
File size:1'833'984 bytes
First seen:2024-12-03 01:59:04 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 2eabe9054cad5152567f0699947a2c5b (2'852 x LummaStealer, 1'312 x Stealc, 1'026 x Healer)
ssdeep 49152:2u97t2DWcGD/88Tym1meFdvT0T1PjPrDAj9ER3fJqZhFEKTt:Vn4Gw8ThdvYdrDJRvJ
TLSH T18885337DFE4C087FC85F02712E0BA715177499DA293F8BA298B48199FA7A70C4356D0E
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 :
1
# of downloads :
427
Origin country :
US US
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-12-03 02:02:07 UTC
Tags:
stealer stealc loader themida amadey botnet gcleaner rhadamanthys cryptbot

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
vmdetect autorun spam lien
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Searching for analyzing tools
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:
microsoft_visual_cc packed packed packer_detected
Result
Threat name:
Amadey, 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 dropped file
Antivirus detection for URL or domain
Attempt to bypass Chrome Application-Bound Encryption
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Drops PE files to the document folder of the user
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Hides threads from debuggers
Machine Learning detection for dropped file
Machine Learning detection for sample
Monitors registry run keys for changes
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
PE file contains section with special chars
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 Amadeys stealer DLL
Yara detected Powershell download and execute
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1567083 Sample: file.exe Startdate: 03/12/2024 Architecture: WINDOWS Score: 100 83 Multi AV Scanner detection for domain / URL 2->83 85 Suricata IDS alerts for network traffic 2->85 87 Found malware configuration 2->87 89 13 other signatures 2->89 8 file.exe 36 2->8         started        13 skotes.exe 16 2->13         started        15 skotes.exe 2->15         started        17 msedge.exe 9 2->17         started        process3 dnsIp4 63 185.215.113.206, 49706, 49727, 49734 WHOLESALECONNECTIONSNL Portugal 8->63 65 185.215.113.16, 49736, 49741, 80 WHOLESALECONNECTIONSNL Portugal 8->65 67 127.0.0.1 unknown unknown 8->67 45 C:\Users\user\Documents\DGDBFBFCBF.exe, PE32 8->45 dropped 47 C:\Users\user\AppData\...\softokn3[1].dll, PE32 8->47 dropped 49 C:\Users\user\AppData\Local\...\random[1].exe, PE32 8->49 dropped 53 11 other files (7 malicious) 8->53 dropped 101 Detected unpacking (changes PE section rights) 8->101 103 Attempt to bypass Chrome Application-Bound Encryption 8->103 105 Drops PE files to the document folder of the user 8->105 113 8 other signatures 8->113 19 cmd.exe 1 8->19         started        21 msedge.exe 2 11 8->21         started        24 chrome.exe 8 8->24         started        69 185.215.113.43, 49739, 49740, 80 WHOLESALECONNECTIONSNL Portugal 13->69 51 C:\Users\user\AppData\...\216d76a4ca.exe, PE32 13->51 dropped 107 Hides threads from debuggers 13->107 109 Tries to detect sandboxes / dynamic malware analysis system (registry check) 13->109 111 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 13->111 27 216d76a4ca.exe 13->27         started        29 msedge.exe 17->29         started        file5 signatures6 process7 dnsIp8 31 DGDBFBFCBF.exe 4 19->31         started        35 conhost.exe 19->35         started        91 Monitors registry run keys for changes 21->91 37 msedge.exe 21->37         started        71 192.168.2.8, 138, 443, 49703 unknown unknown 24->71 73 239.255.255.250 unknown Reserved 24->73 39 chrome.exe 24->39         started        93 Antivirus detection for dropped file 27->93 95 Machine Learning detection for dropped file 27->95 97 Tries to evade debugger and weak emulator (self modifying code) 27->97 99 Tries to detect sandboxes / dynamic malware analysis system (registry check) 27->99 signatures9 process10 dnsIp11 55 C:\Users\user\AppData\Local\...\skotes.exe, PE32 31->55 dropped 75 Antivirus detection for dropped file 31->75 77 Detected unpacking (changes PE section rights) 31->77 79 Machine Learning detection for dropped file 31->79 81 5 other signatures 31->81 42 skotes.exe 31->42         started        57 www.google.com 142.250.181.100, 443, 49709, 49710 GOOGLEUS United States 39->57 59 plus.l.google.com 172.217.17.78, 443, 49730 GOOGLEUS United States 39->59 61 apis.google.com 39->61 file12 signatures13 process14 signatures15 115 Antivirus detection for dropped file 42->115 117 Detected unpacking (changes PE section rights) 42->117 119 Tries to detect sandboxes and other dynamic analysis tools (window names) 42->119 121 5 other signatures 42->121
Threat name:
Win32.Spyware.Lummastealer
Status:
Malicious
First seen:
2024-12-03 02:00:05 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
23 of 24 (95.83%)
Threat level:
  2/5
Result
Malware family:
Score:
  10/10
Tags:
family:stealc botnet:drum 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:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
90f174eaac6390a16ce48281e0994429852f82b3f2d9deb82d0205d18ae426d5
MD5 hash:
77d51b9a4e75a503352b0f3d11827769
SHA1 hash:
ae8c2e73ca153f8c9e7a993cc2329863bde4bfa8
Detections:
win_stealc_w0 win_stealc_a0
SH256 hash:
f8433d0f89128427d02347ac659a2e721641a342ebbd259998e1671bc50f84cd
MD5 hash:
98ef7d0d5e6352028a8b3d15df5c7a25
SHA1 hash:
0fefc72c5308499d7f3567c5b82d6fa5fb45ee2f
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:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information


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

Web download

Stealc

Executable exe f8433d0f89128427d02347ac659a2e721641a342ebbd259998e1671bc50f84cd

(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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