MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f98936eaa24f4c5b0339ad375b53e45e505c9c65cef4480cff417157252f77b4. 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: f98936eaa24f4c5b0339ad375b53e45e505c9c65cef4480cff417157252f77b4
SHA3-384 hash: 9d45214f70f5a56915787f2a91deab99c3c234359eb55e5b8919a62aacca07bebdbe316f4d8a79dd15f1f73408e8bfe2
SHA1 hash: 881d6869788ced3bb3be507abea78f569af3775e
MD5 hash: 1fb763b01e1ffa3ab02b53ce4b2a88fd
humanhash: green-batman-minnesota-fruit
File name:file
Download: download sample
Signature Stealc
File size:1'814'528 bytes
First seen:2024-11-20 13:41:51 UTC
Last seen:2024-11-20 13:42:03 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 49152:o4nWwEYIzjyQPfn/n6+iAUtcyZX8kpTelD48i:oWkqif/n6DADAskTSDRi
TLSH T15085335316F5795AED26AAFBE42E5F7037B0B63F82A8C8F6070D8114A4B717668F3110
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 :
2
# of downloads :
391
Origin country :
US US
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-11-20 13:43:35 UTC
Tags:
stealer stealc loader themida amadey botnet opendir rat asyncrat remote cryptbot

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
97.4%
Tags:
autorun autoit spam lien
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:
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 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
Drops PE files to the user root directory
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Hides threads from debuggers
Machine Learning detection for sample
Maps a DLL or memory area into another process
Monitors registry run keys for changes
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: 1559430 Sample: file.exe Startdate: 20/11/2024 Architecture: WINDOWS Score: 100 85 Suricata IDS alerts for network traffic 2->85 87 Found malware configuration 2->87 89 Antivirus detection for URL or domain 2->89 91 10 other signatures 2->91 8 file.exe 37 2->8         started        13 skotes.exe 2->13         started        15 skotes.exe 2->15         started        17 msedge.exe 66 629 2->17         started        process3 dnsIp4 59 185.215.113.16 WHOLESALECONNECTIONSNL Portugal 8->59 61 185.215.113.206, 49715, 49759, 49800 WHOLESALECONNECTIONSNL Portugal 8->61 63 127.0.0.1 unknown unknown 8->63 51 C:\Users\user\DocumentsHIEHDHCFIJ.exe, PE32 8->51 dropped 53 C:\Users\user\AppData\...\vcruntime140[1].dll, PE32 8->53 dropped 55 C:\Users\user\AppData\...\softokn3[1].dll, PE32 8->55 dropped 57 11 other files (none is malicious) 8->57 dropped 103 Detected unpacking (changes PE section rights) 8->103 105 Attempt to bypass Chrome Application-Bound Encryption 8->105 107 Drops PE files to the document folder of the user 8->107 117 9 other signatures 8->117 19 cmd.exe 8->19         started        21 msedge.exe 2 10 8->21         started        24 chrome.exe 8->24         started        65 185.215.113.43 WHOLESALECONNECTIONSNL Portugal 13->65 67 62.60.153.28 IROST-ASIR Iran (ISLAMIC Republic Of) 13->67 109 Hides threads from debuggers 13->109 111 Tries to detect sandboxes / dynamic malware analysis system (registry check) 13->111 113 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 13->113 115 Maps a DLL or memory area into another process 17->115 27 msedge.exe 17->27         started        29 msedge.exe 17->29         started        31 msedge.exe 17->31         started        33 3 other processes 17->33 file5 signatures6 process7 dnsIp8 35 DocumentsHIEHDHCFIJ.exe 19->35         started        39 conhost.exe 19->39         started        101 Monitors registry run keys for changes 21->101 41 msedge.exe 21->41         started        69 192.168.2.6, 443, 49703, 49706 unknown unknown 24->69 71 239.255.255.250 unknown Reserved 24->71 43 chrome.exe 24->43         started        73 sb.scorecardresearch.com 18.165.220.57, 443, 49844 MIT-GATEWAYSUS United States 27->73 75 18.173.219.84, 443, 49898 MIT-GATEWAYSUS United States 27->75 77 22 other IPs or domains 27->77 signatures9 process10 dnsIp11 49 C:\Users\user\AppData\Local\...\skotes.exe, PE32 35->49 dropped 93 Detected unpacking (changes PE section rights) 35->93 95 Tries to evade debugger and weak emulator (self modifying code) 35->95 97 Tries to detect virtualization through RDTSC time measurements 35->97 99 3 other signatures 35->99 46 skotes.exe 35->46         started        79 plus.l.google.com 142.250.181.110, 443, 49767 GOOGLEUS United States 43->79 81 www.google.com 172.217.21.36, 443, 49730, 49731 GOOGLEUS United States 43->81 83 apis.google.com 43->83 file12 signatures13 process14 signatures15 119 Detected unpacking (changes PE section rights) 46->119 121 Tries to detect sandboxes and other dynamic analysis tools (window names) 46->121 123 Tries to evade debugger and weak emulator (self modifying code) 46->123 125 3 other signatures 46->125
Threat name:
Win32.Trojan.Generic
Status:
Malicious
First seen:
2024-11-20 13:42:05 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
13 of 38 (34.21%)
Threat level:
  2/5
Result
Malware family:
Score:
  10/10
Tags:
family:amadey family:asyncrat family:cryptbot family:smokeloader family:stealc botnet:9c9aa5 botnet:mars backdoor credential_access discovery evasion persistence rat spyware stealer trojan
Behaviour
Checks processor information in registry
Enumerates system info in registry
Kills process with taskkill
Modifies registry class
Modifies system certificate store
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Browser Information Discovery
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
Drops file in Windows directory
AutoIT Executable
Enumerates processes with tasklist
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Adds Run key to start application
Checks installed software on the system
Checks BIOS information in registry
Executes dropped EXE
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
Windows security modification
Downloads MZ/PE file
Uses browser remote debugging
Async RAT payload
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Amadey
Amadey family
AsyncRat
Asyncrat family
CryptBot
Cryptbot family
Detects CryptBot payload
Modifies Windows Defender Real-time Protection settings
SmokeLoader
Smokeloader family
Stealc
Stealc family
Malware Config
C2 Extraction:
http://185.215.113.206
http://185.215.113.43
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
9d181c4f8e997437a3bc9bd09bd54dd92d10b46b7b19307f44c76cad02c68c29
MD5 hash:
d15f0aee2094cd506d495b310acc000d
SHA1 hash:
e27404fe32c498493f6ff6f3e8480c14419028a0
Detections:
win_stealc_w0 win_stealc_a0
SH256 hash:
f98936eaa24f4c5b0339ad375b53e45e505c9c65cef4480cff417157252f77b4
MD5 hash:
1fb763b01e1ffa3ab02b53ce4b2a88fd
SHA1 hash:
881d6869788ced3bb3be507abea78f569af3775e
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 f98936eaa24f4c5b0339ad375b53e45e505c9c65cef4480cff417157252f77b4

(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