MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f73a8753e659025720ad024408f88c756d941bbdaf2fdf373a8284e29fc6c524. 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 File information Comments

SHA256 hash: f73a8753e659025720ad024408f88c756d941bbdaf2fdf373a8284e29fc6c524
SHA3-384 hash: bbcc91345096664bd99908b3663ed837ff29c4d61168c160bebe164130ea63cfa6be4216ad92b58e4d5d9ede7ef434a0
SHA1 hash: 3409a7c2fc9834d6b44dbf6686bd4d6efdbaf712
MD5 hash: aa7e29a5cccf007964fe55434c25e841
humanhash: whiskey-seven-earth-iowa
File name:file
Download: download sample
Signature Stealc
File size:1'845'248 bytes
First seen:2024-11-14 18:29:27 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:dBjHPU3+2ZhUAxsl0p+GT9LoxWxM06b3lud0UFbh6D:L7PUO2ZhBxslBSQWWhr3Y+
TLSH T1E58533077CA7A8D9D115CE7BC9EE7309E4BD991107C5297EEA5B013C0CB73A88EA1670
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 :
421
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-11-14 18:31:22 UTC
Tags:
lumma stealer loader themida stealc

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
vmdetect autorun 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
Result
Threat name:
LummaC, Amadey, LummaC Stealer, Stealc,
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
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
Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation))
Creates multiple autostart registry keys
Detected unpacking (changes PE section rights)
Disable Windows Defender notifications (registry)
Disable Windows Defender real time protection (registry)
Disables Windows Defender Tamper protection
Drops PE files to the document folder of the user
Drops PE files to the user root directory
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Hides threads from debuggers
LummaC encrypted strings found
Machine Learning detection for dropped file
Machine Learning detection for sample
Modifies windows update settings
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file contains section with special chars
Query firmware table information (likely to detect VMs)
Sigma detected: New RUN Key Pointing to Suspicious Folder
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 LummaC Stealer
Yara detected Powershell download and execute
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1555999 Sample: file.exe Startdate: 14/11/2024 Architecture: WINDOWS Score: 100 84 frogmen-smell.sbs 2->84 116 Suricata IDS alerts for network traffic 2->116 118 Found malware configuration 2->118 120 Antivirus detection for URL or domain 2->120 122 15 other signatures 2->122 12 file.exe 36 2->12         started        17 777bc674f7.exe 2->17         started        19 f10f09d8f8.exe 2->19         started        21 7 other processes 2->21 signatures3 process4 dnsIp5 102 185.215.113.16, 49761, 80 WHOLESALECONNECTIONSNL Portugal 12->102 104 185.215.113.206, 49730, 49753, 80 WHOLESALECONNECTIONSNL Portugal 12->104 106 127.0.0.1 unknown unknown 12->106 74 C:\Users\user\DocumentsFBKKJEBFID.exe, PE32 12->74 dropped 76 C:\Users\user\AppData\...\softokn3[1].dll, PE32 12->76 dropped 78 C:\Users\user\AppData\Local\...\random[1].exe, PE32 12->78 dropped 80 11 other files (7 malicious) 12->80 dropped 132 Detected unpacking (changes PE section rights) 12->132 134 Attempt to bypass Chrome Application-Bound Encryption 12->134 136 Drops PE files to the document folder of the user 12->136 152 7 other signatures 12->152 23 cmd.exe 1 12->23         started        25 chrome.exe 12->25         started        138 Query firmware table information (likely to detect VMs) 17->138 140 Tries to harvest and steal ftp login credentials 17->140 142 Tries to harvest and steal browser information (history, passwords, etc) 17->142 28 chrome.exe 17->28         started        144 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 19->144 146 Hides threads from debuggers 19->146 148 Tries to detect sandboxes / dynamic malware analysis system (registry check) 19->148 150 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 21->150 file6 signatures7 process8 dnsIp9 30 DocumentsFBKKJEBFID.exe 4 23->30         started        34 conhost.exe 23->34         started        94 192.168.2.4, 443, 49723, 49730 unknown unknown 25->94 96 239.255.255.250 unknown Reserved 25->96 36 chrome.exe 25->36         started        39 chrome.exe 28->39         started        process10 dnsIp11 82 C:\Users\user\AppData\Local\...\skotes.exe, PE32 30->82 dropped 154 Antivirus detection for dropped file 30->154 156 Detected unpacking (changes PE section rights) 30->156 158 Machine Learning detection for dropped file 30->158 160 6 other signatures 30->160 41 skotes.exe 3 25 30->41         started        86 www.google.com 142.250.185.164, 443, 49731, 49735 GOOGLEUS United States 36->86 88 play.google.com 172.217.18.14, 443, 49749 GOOGLEUS United States 36->88 90 2 other IPs or domains 36->90 file12 signatures13 process14 dnsIp15 98 185.215.113.43 WHOLESALECONNECTIONSNL Portugal 41->98 100 31.41.244.11 AEROEXPRESS-ASRU Russian Federation 41->100 66 C:\Users\user\AppData\...\f10f09d8f8.exe, PE32 41->66 dropped 68 C:\Users\user\AppData\...\3773fde645.exe, PE32 41->68 dropped 70 C:\Users\user\AppData\...\777bc674f7.exe, PE32 41->70 dropped 72 3 other malicious files 41->72 dropped 124 Antivirus detection for dropped file 41->124 126 Detected unpacking (changes PE section rights) 41->126 128 Tries to detect sandboxes and other dynamic analysis tools (window names) 41->128 130 6 other signatures 41->130 46 777bc674f7.exe 12 41->46         started        50 f10f09d8f8.exe 41->50         started        52 3773fde645.exe 41->52         started        54 skotes.exe 41->54         started        file16 signatures17 process18 dnsIp19 114 frogmen-smell.sbs 104.21.80.55 CLOUDFLARENETUS United States 46->114 162 Antivirus detection for dropped file 46->162 164 Multi AV Scanner detection for dropped file 46->164 166 Detected unpacking (changes PE section rights) 46->166 180 4 other signatures 46->180 56 chrome.exe 46->56         started        59 chrome.exe 46->59         started        168 Machine Learning detection for dropped file 50->168 170 Modifies windows update settings 50->170 172 Disables Windows Defender Tamper protection 50->172 182 2 other signatures 50->182 174 Tries to evade debugger and weak emulator (self modifying code) 52->174 176 Hides threads from debuggers 52->176 178 Tries to detect sandboxes / dynamic malware analysis system (registry check) 52->178 signatures20 process21 dnsIp22 92 192.168.2.7 unknown unknown 56->92 61 chrome.exe 56->61         started        64 chrome.exe 59->64         started        process23 dnsIp24 108 s-part-0017.t-0009.t-msedge.net 13.107.246.45 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 61->108 110 s-part-0039.t-0009.t-msedge.net 13.107.246.67 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 61->110 112 9 other IPs or domains 61->112
Threat name:
Win32.Trojan.LummaStealer
Status:
Malicious
First seen:
2024-11-14 18:30:08 UTC
File Type:
PE (Exe)
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:amadey botnet:9c9aa5 credential_access discovery evasion spyware stealer trojan
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Browser Information Discovery
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Windows directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Checks BIOS information in registry
Checks computer location settings
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
Downloads MZ/PE file
Uses browser remote debugging
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Amadey
Amadey family
Malware Config
C2 Extraction:
http://185.215.113.43
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
eda48dfd6b125aa9a3d6093cee195053553a91dd17d94b1f8fdbdca90bfa2709
MD5 hash:
5871f258872d3f7fc8af8406e36e8721
SHA1 hash:
d113b769f7b04319acae9653db5f7ee6ae945b6f
Detections:
win_stealc_w0 win_stealc_a0
SH256 hash:
f73a8753e659025720ad024408f88c756d941bbdaf2fdf373a8284e29fc6c524
MD5 hash:
aa7e29a5cccf007964fe55434c25e841
SHA1 hash:
3409a7c2fc9834d6b44dbf6686bd4d6efdbaf712
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Web download

Stealc

Executable exe f73a8753e659025720ad024408f88c756d941bbdaf2fdf373a8284e29fc6c524

(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