MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4fcb7be72c4f45199bf2d28b95c8f709b343efb27ae10eb76bbb2b4d43905638. 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: 4fcb7be72c4f45199bf2d28b95c8f709b343efb27ae10eb76bbb2b4d43905638
SHA3-384 hash: ef603b7ec304141bb234283799df2e7275f35183ef26957d2a905b042554521a6a988af50243e43ef5a9f791b725bb4e
SHA1 hash: bca4dc7424985793487d16004e033f3ae92f4d6f
MD5 hash: 7f588fe16ce0b9ae1671cd6db5ce4380
humanhash: coffee-moon-mobile-asparagus
File name:file
Download: download sample
Signature Stealc
File size:1'810'944 bytes
First seen:2024-11-11 18:50:42 UTC
Last seen:2024-11-11 18:51:07 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 49152:0n0/03UD+xtY74vObp8bMc3bf/lWa584AiT:0n0nDCY74DMcrfdh8ET
TLSH T18F85333B7E795F92F94FAB74CED2F941263AB4CC01394DC12088AF3A448BB8A4D54E54
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 :
3
# of downloads :
472
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
951953e9dd63625988ecb0011435e29e177778f497e6254ed6137fd8f4a11447
Verdict:
Malicious activity
Analysis date:
2024-11-11 18:49:07 UTC
Tags:
lumma stealer possible-phishing exfiltration themida loader stealc

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
94.9%
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:
PureCrypter, LummaC, Amadey, LummaC Stea
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
Creates multiple autostart registry keys
Detected PureCrypter Trojan
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 sample
Modifies windows update settings
Monitors registry run keys for changes
PE file contains section with special chars
Potentially malicious time measurement code found
Query firmware table information (likely to detect VMs)
Sample uses string decryption to hide its real strings
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: 1553938 Sample: file.exe Startdate: 11/11/2024 Architecture: WINDOWS Score: 100 73 thumbystriw.store 2->73 75 steamcommunity.com 2->75 77 8 other IPs or domains 2->77 101 Suricata IDS alerts for network traffic 2->101 103 Found malware configuration 2->103 105 Antivirus detection for URL or domain 2->105 107 12 other signatures 2->107 9 file.exe 37 2->9         started        14 skotes.exe 2->14         started        16 5912d4444a.exe 2->16         started        18 6 other processes 2->18 signatures3 process4 dnsIp5 79 185.215.113.16, 49914, 80 WHOLESALECONNECTIONSNL Portugal 9->79 81 185.215.113.206, 49704, 49728, 49755 WHOLESALECONNECTIONSNL Portugal 9->81 83 127.0.0.1 unknown unknown 9->83 59 C:\Users\user\DocumentsAKKEGHJDHD.exe, PE32 9->59 dropped 61 C:\Users\user\AppData\...\vcruntime140[1].dll, PE32 9->61 dropped 63 C:\Users\user\AppData\...\softokn3[1].dll, PE32 9->63 dropped 65 11 other files (none is malicious) 9->65 dropped 149 Detected unpacking (changes PE section rights) 9->149 151 Attempt to bypass Chrome Application-Bound Encryption 9->151 153 Drops PE files to the document folder of the user 9->153 167 7 other signatures 9->167 20 cmd.exe 9->20         started        22 msedge.exe 2 10 9->22         started        25 chrome.exe 8 9->25         started        85 185.215.113.43 WHOLESALECONNECTIONSNL Portugal 14->85 155 Creates multiple autostart registry keys 14->155 157 Hides threads from debuggers 14->157 159 Tries to detect sandboxes / dynamic malware analysis system (registry check) 14->159 28 5912d4444a.exe 14->28         started        30 9ec07c9018.exe 14->30         started        32 b84e35a556.exe 14->32         started        34 skotes.exe 14->34         started        161 Tries to harvest and steal browser information (history, passwords, etc) 16->161 163 Tries to steal Crypto Currency Wallets 16->163 165 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 16->165 36 msedge.exe 18->36         started        39 4 other processes 18->39 file6 signatures7 process8 dnsIp9 41 DocumentsAKKEGHJDHD.exe 20->41         started        45 conhost.exe 20->45         started        117 Monitors registry run keys for changes 22->117 47 msedge.exe 22->47         started        87 192.168.2.5, 443, 49703, 49704 unknown unknown 25->87 89 239.255.255.250 unknown Reserved 25->89 49 chrome.exe 25->49         started        97 2 other IPs or domains 28->97 119 Detected unpacking (changes PE section rights) 28->119 121 Query firmware table information (likely to detect VMs) 28->121 123 Tries to harvest and steal ftp login credentials 28->123 137 5 other signatures 28->137 125 Modifies windows update settings 30->125 127 Disables Windows Defender Tamper protection 30->127 129 Tries to evade debugger and weak emulator (self modifying code) 30->129 139 2 other signatures 30->139 131 Tries to detect sandboxes and other dynamic analysis tools (window names) 32->131 133 Hides threads from debuggers 32->133 135 Tries to detect sandboxes / dynamic malware analysis system (registry check) 32->135 91 sb.scorecardresearch.com 18.65.39.28, 443, 49770 MIT-GATEWAYSUS United States 36->91 93 13.107.246.40, 443, 49828, 49829 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 36->93 99 23 other IPs or domains 36->99 55 C:\Users\user\AppData\Local\...\Cookies, SQLite 36->55 dropped 95 ntp.msn.com 39->95 file10 signatures11 process12 dnsIp13 57 C:\Users\user\AppData\Local\...\skotes.exe, PE32 41->57 dropped 141 Detected unpacking (changes PE section rights) 41->141 143 Tries to evade debugger and weak emulator (self modifying code) 41->143 145 Tries to detect virtualization through RDTSC time measurements 41->145 147 4 other signatures 41->147 52 skotes.exe 41->52         started        67 www.google.com 142.250.184.228, 443, 49708, 49709 GOOGLEUS United States 49->67 69 plus.l.google.com 142.250.185.78, 443, 49719 GOOGLEUS United States 49->69 71 2 other IPs or domains 49->71 file14 signatures15 process16 signatures17 109 Detected unpacking (changes PE section rights) 52->109 111 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 52->111 113 Tries to evade debugger and weak emulator (self modifying code) 52->113 115 3 other signatures 52->115
Threat name:
Win32.Spyware.Stealc
Status:
Suspicious
First seen:
2024-11-11 19:05:59 UTC
AV detection:
17 of 24 (70.83%)
Threat level:
  2/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery evasion
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)
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
fc85845ec89ebad520fc4a52d05ded18e891d39930d694ea3539cfc1e2f60ab9
MD5 hash:
c66c716d3eb2b2bcc3155acbfa726d54
SHA1 hash:
be32e17474b73927ee46349542f6b56510d79578
Detections:
win_stealc_w0 win_stealc_a0
SH256 hash:
4fcb7be72c4f45199bf2d28b95c8f709b343efb27ae10eb76bbb2b4d43905638
MD5 hash:
7f588fe16ce0b9ae1671cd6db5ce4380
SHA1 hash:
bca4dc7424985793487d16004e033f3ae92f4d6f
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 4fcb7be72c4f45199bf2d28b95c8f709b343efb27ae10eb76bbb2b4d43905638

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download
  
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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