MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 099be17313be4a4d993d9491bd4c3153fec62299c8de01b32600e16a1b63cb25. 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: 15


Intelligence 15 IOCs YARA 1 File information Comments

SHA256 hash: 099be17313be4a4d993d9491bd4c3153fec62299c8de01b32600e16a1b63cb25
SHA3-384 hash: 061661c6ab75c0acc641c15767291ef331e50bea34598ce22049807d750ca20972800706916e2f8658675ba34469ca28
SHA1 hash: 440930fb6eb8145f1faf1333b735541c93ba8486
MD5 hash: 9669088834eac5ce82390081d8ba345e
humanhash: oxygen-delta-coffee-eight
File name:file
Download: download sample
Signature Stealc
File size:1'827'328 bytes
First seen:2024-11-23 08:14:41 UTC
Last seen:2024-11-23 08:14:51 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:M8ZtqtQUeQK5wHm3CZ7IFcLPDornR9QAOnKtmp522vqRqHvIe:9N5py5ImLP0ntOKYD2ijg
TLSH T1F18533BE5D92E02DCB4DCA7330CFCA96BF7139019C9285BA29775C2D425BBD1946CC82
TrID 40.5% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
16.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
12.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
11.0% (.EXE) Win32 Executable (generic) (4504/4/1)
5.0% (.ICL) Windows Icons Library (generic) (2059/9)
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 :
405
Origin country :
US US
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-11-23 08:16:15 UTC
Tags:
stealer loader lumma themida stealc amadey botnet

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
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 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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file contains section with special chars
Potentially malicious time measurement code found
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: 1561380 Sample: file.exe Startdate: 23/11/2024 Architecture: WINDOWS Score: 100 97 Multi AV Scanner detection for domain / URL 2->97 99 Suricata IDS alerts for network traffic 2->99 101 Found malware configuration 2->101 103 12 other signatures 2->103 8 file.exe 37 2->8         started        13 skotes.exe 2->13         started        15 msedge.exe 630 2->15         started        process3 dnsIp4 79 185.215.113.16 WHOLESALECONNECTIONSNL Portugal 8->79 81 185.215.113.206, 49714, 49772, 49816 WHOLESALECONNECTIONSNL Portugal 8->81 83 127.0.0.1 unknown unknown 8->83 51 C:\Users\user\DocumentsEGIDAAFIEH.exe, PE32 8->51 dropped 53 C:\Users\user\AppData\...\softokn3[1].dll, PE32 8->53 dropped 55 C:\Users\user\AppData\Local\...\random[1].exe, PE32 8->55 dropped 65 11 other files (none is malicious) 8->65 dropped 123 Detected unpacking (changes PE section rights) 8->123 125 Attempt to bypass Chrome Application-Bound Encryption 8->125 127 Drops PE files to the document folder of the user 8->127 137 9 other signatures 8->137 17 cmd.exe 8->17         started        19 msedge.exe 2 10 8->19         started        22 chrome.exe 8->22         started        85 185.215.113.43 WHOLESALECONNECTIONSNL Portugal 13->85 87 31.41.244.11 AEROEXPRESS-ASRU Russian Federation 13->87 57 C:\Users\user\AppData\...\c9b8a5fd06.exe, PE32 13->57 dropped 59 C:\Users\user\AppData\...\2ae4e7be65.exe, PE32 13->59 dropped 61 C:\Users\user\AppData\Local\...\random[1].exe, PE32 13->61 dropped 63 C:\Users\user\AppData\Local\...\random[1].exe, PE32 13->63 dropped 129 Hides threads from debuggers 13->129 131 Tries to detect sandboxes / dynamic malware analysis system (registry check) 13->131 133 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 13->133 25 2ae4e7be65.exe 13->25         started        89 192.168.2.7 unknown unknown 15->89 135 Maps a DLL or memory area into another process 15->135 27 msedge.exe 15->27         started        29 msedge.exe 15->29         started        31 msedge.exe 15->31         started        33 3 other processes 15->33 file5 signatures6 process7 dnsIp8 35 DocumentsEGIDAAFIEH.exe 17->35         started        39 conhost.exe 17->39         started        105 Monitors registry run keys for changes 19->105 41 msedge.exe 19->41         started        67 192.168.2.6, 443, 49707, 49710 unknown unknown 22->67 69 239.255.255.250 unknown Reserved 22->69 43 chrome.exe 22->43         started        71 home.fvtekk5pn.top 34.116.198.130 GOOGLE-AS-APGoogleAsiaPacificPteLtdSG United States 25->71 107 Multi AV Scanner detection for dropped file 25->107 109 Detected unpacking (changes PE section rights) 25->109 111 Tries to detect sandboxes and other dynamic analysis tools (window names) 25->111 113 4 other signatures 25->113 73 18.173.219.40, 443, 49876 MIT-GATEWAYSUS United States 27->73 75 13.107.246.40, 443, 49864, 49865 MICROSOFT-CORP-MSN-AS-BLOCKUS 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 115 Multi AV Scanner detection for dropped file 35->115 117 Detected unpacking (changes PE section rights) 35->117 119 Tries to evade debugger and weak emulator (self modifying code) 35->119 121 4 other signatures 35->121 46 skotes.exe 35->46         started        91 plus.l.google.com 142.250.181.110, 443, 49776 GOOGLEUS United States 43->91 93 www.google.com 172.217.21.36, 443, 49739, 49740 GOOGLEUS United States 43->93 95 apis.google.com 43->95 file12 signatures13 process14 signatures15 139 Multi AV Scanner detection for dropped file 46->139 141 Detected unpacking (changes PE section rights) 46->141 143 Tries to evade debugger and weak emulator (self modifying code) 46->143 145 4 other signatures 46->145
Threat name:
Win32.Trojan.Generic
Status:
Malicious
First seen:
2024-11-23 08:15:08 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
19 of 24 (79.17%)
Threat level:
  2/5
Result
Malware family:
Score:
  10/10
Tags:
family:amadey family:cryptbot family:stealc botnet:9c9aa5 botnet:mars credential_access discovery evasion persistence spyware stealer trojan
Behaviour
Checks processor information in registry
Enumerates system info in registry
Kills process with taskkill
Modifies registry class
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
Suspicious use of NtSetInformationThreadHideFromDebugger
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
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Amadey
Amadey family
CryptBot
Cryptbot family
Detects CryptBot payload
Modifies Windows Defender Real-time Protection settings
Stealc
Stealc family
Malware Config
C2 Extraction:
http://185.215.113.206
http://185.215.113.43
Verdict:
Suspicious
Tags:
Stealer Stealc
YARA:
n/a
Unpacked files
SH256 hash:
d0d29697000029007f2aefb5f54e84dfca6f5be749bea620a718fbd7560c2a1b
MD5 hash:
9a3bfbe0ac67a311a236d990e5bbd8e9
SHA1 hash:
e3f1e296c521b29739aef4bf6e5fea4c88a5fe2f
Detections:
win_stealc_w0 win_stealc_a0
SH256 hash:
099be17313be4a4d993d9491bd4c3153fec62299c8de01b32600e16a1b63cb25
MD5 hash:
9669088834eac5ce82390081d8ba345e
SHA1 hash:
440930fb6eb8145f1faf1333b735541c93ba8486
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 099be17313be4a4d993d9491bd4c3153fec62299c8de01b32600e16a1b63cb25

(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