MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 73bf8e4a7d1baa981576bd9789ca7b13f9e53424dc283000474753ef51c11f4a. 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: 73bf8e4a7d1baa981576bd9789ca7b13f9e53424dc283000474753ef51c11f4a
SHA3-384 hash: 6ae803c26f6740f056484b686ea61fabb9057e04efd691e93a7a4930199f8a16964b94fb4baf66a5535b07c23783b3f7
SHA1 hash: e1d0a610ebc4d4500d01ce193a803a94542893dd
MD5 hash: cd917c036da4dc2b3e30e12b135a87e2
humanhash: helium-illinois-six-lima
File name:file
Download: download sample
Signature Stealc
File size:1'807'360 bytes
First seen:2024-12-12 15:46:12 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 24576:FXRnTWS9M6G832tc8aegrm2rIEjvWDBqE0A+hBcwbPna7r4EK5DwUoza:FBaSm6nCaetEKDcH+7rD5U1
TLSH T1BD8533A1BAF2FDACC4DA48F19F21119D10548847C2F027A27C46FEE581A3D5F7A51F92
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 :
398
Origin country :
US US
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-12-12 15:49:04 UTC
Tags:
amadey botnet stealer loader evasion telegram themida payload arch-exec stealc auto lumma gcleaner crypto-regex

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
autorun 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
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
Amadey, Credential Flusher, Stealc, Vida
Detection:
malicious
Classification:
phis.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
Binary is likely a compiled AutoIt script file
C2 URLs / IPs found in malware configuration
Creates multiple autostart registry keys
Detected unpacking (changes PE section rights)
Drops PE files to the document folder of the user
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
Machine Learning detection for dropped file
Machine Learning detection for sample
Monitors registry run keys for changes
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Overwrites Mozilla Firefox settings
PE file contains section with special chars
Potentially malicious time measurement code found
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 Credential Flusher
Yara detected Powershell download and execute
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1573859 Sample: file.exe Startdate: 12/12/2024 Architecture: WINDOWS Score: 100 84 youtube.com 2->84 86 spocs.getpocket.com 2->86 88 12 other IPs or domains 2->88 110 Suricata IDS alerts for network traffic 2->110 112 Found malware configuration 2->112 114 Antivirus detection for URL or domain 2->114 116 15 other signatures 2->116 9 file.exe 36 2->9         started        14 skotes.exe 2 22 2->14         started        16 31d4dc8334.exe 2->16         started        18 2 other processes 2->18 signatures3 process4 dnsIp5 90 185.215.113.16, 49736, 49741, 49743 WHOLESALECONNECTIONSNL Portugal 9->90 92 185.215.113.206, 49707, 49723, 49734 WHOLESALECONNECTIONSNL Portugal 9->92 94 127.0.0.1 unknown unknown 9->94 72 C:\Users\user\Documents\HDHJEBFBFH.exe, PE32 9->72 dropped 74 C:\Users\user\AppData\...\softokn3[1].dll, PE32 9->74 dropped 76 C:\Users\user\AppData\Local\...\random[1].exe, PE32 9->76 dropped 82 11 other files (7 malicious) 9->82 dropped 146 Detected unpacking (changes PE section rights) 9->146 148 Attempt to bypass Chrome Application-Bound Encryption 9->148 150 Drops PE files to the document folder of the user 9->150 160 10 other signatures 9->160 20 cmd.exe 1 9->20         started        22 msedge.exe 2 11 9->22         started        25 chrome.exe 8 9->25         started        96 185.215.113.43, 49739, 49740, 49742 WHOLESALECONNECTIONSNL Portugal 14->96 78 C:\Users\user\AppData\...\38f6929be3.exe, PE32 14->78 dropped 80 C:\Users\user\AppData\Local\...\random[1].exe, PE32 14->80 dropped 152 Creates multiple autostart registry keys 14->152 154 Hides threads from debuggers 14->154 156 Tries to detect sandboxes / dynamic malware analysis system (registry check) 14->156 28 a1cfd8e1b8.exe 14->28         started        30 31d4dc8334.exe 14->30         started        158 Binary is likely a compiled AutoIt script file 16->158 32 firefox.exe 18->32         started        34 msedge.exe 18->34         started        file6 signatures7 process8 dnsIp9 36 HDHJEBFBFH.exe 4 20->36         started        40 conhost.exe 20->40         started        126 Monitors registry run keys for changes 22->126 42 msedge.exe 22->42         started        98 192.168.2.9, 443, 49704, 49705 unknown unknown 25->98 100 239.255.255.250 unknown Reserved 25->100 44 chrome.exe 25->44         started        128 Detected unpacking (changes PE section rights) 28->128 130 Tries to detect sandboxes and other dynamic analysis tools (window names) 28->130 132 Tries to evade debugger and weak emulator (self modifying code) 28->132 136 3 other signatures 28->136 134 Binary is likely a compiled AutoIt script file 30->134 47 taskkill.exe 30->47         started        49 taskkill.exe 30->49         started        51 taskkill.exe 30->51         started        53 3 other processes 30->53 102 youtube.com 142.250.181.78 GOOGLEUS United States 32->102 104 prod.detectportal.prod.cloudops.mozgcp.net 34.107.221.82 GOOGLEUS United States 32->104 106 4 other IPs or domains 32->106 55 2 other processes 32->55 signatures10 process11 dnsIp12 70 C:\Users\user\AppData\Local\...\skotes.exe, PE32 36->70 dropped 118 Multi AV Scanner detection for dropped file 36->118 120 Detected unpacking (changes PE section rights) 36->120 122 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 36->122 124 6 other signatures 36->124 57 skotes.exe 36->57         started        108 www.google.com 142.250.181.36, 443, 49713, 49714 GOOGLEUS United States 44->108 60 conhost.exe 47->60         started        62 conhost.exe 49->62         started        64 conhost.exe 51->64         started        66 conhost.exe 53->66         started        68 conhost.exe 53->68         started        file13 signatures14 process15 signatures16 138 Antivirus detection for dropped file 57->138 140 Multi AV Scanner detection for dropped file 57->140 142 Detected unpacking (changes PE section rights) 57->142 144 7 other signatures 57->144
Threat name:
Win32.Ransomware.StealC
Status:
Malicious
First seen:
2024-12-12 15:47:15 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
25 of 38 (65.79%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:stealc botnet:stok 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:
Stealer Stealc
YARA:
n/a
Unpacked files
SH256 hash:
73bf8e4a7d1baa981576bd9789ca7b13f9e53424dc283000474753ef51c11f4a
MD5 hash:
cd917c036da4dc2b3e30e12b135a87e2
SHA1 hash:
e1d0a610ebc4d4500d01ce193a803a94542893dd
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 73bf8e4a7d1baa981576bd9789ca7b13f9e53424dc283000474753ef51c11f4a

(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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