MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 33ec7d97e387a484ca822a25143b5d01ddce8ab813200719537702f0931f9e87. 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 2 File information Comments

SHA256 hash: 33ec7d97e387a484ca822a25143b5d01ddce8ab813200719537702f0931f9e87
SHA3-384 hash: 8bb0b41a109d5df4bde23018d822c3af4db3af836c98f0cf70fdde7aadd55deb23480cc99a68e8eaceb39bfc4924e4b0
SHA1 hash: ee0ce0583edd4b0093709fb1be3aba975e4f7780
MD5 hash: f5634fe84a0d50da553341dd8b70f55b
humanhash: kilo-don-aspen-fifteen
File name:file
Download: download sample
Signature Stealc
File size:1'794'560 bytes
First seen:2024-11-24 01:12:00 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:hbieeUbLA2ft0FPIE7Mygu+OUo7d6eBuum18ioePTk8dFTPfg2hbDh0QFZB6K:BicbUkEXgX+7d6Dpp4AFTgeRB6
TLSH T12B8533690CA084E7F72D5B7C50C757012879B5C142DBFAA36E04BB6C493BE83A3D4A9D
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 :
402
Origin country :
US US
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-11-24 01:13:42 UTC
Tags:
stealer stealc loader themida amadey botnet cryptbot

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 autoit spam
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:
anti-vm microsoft_visual_cc packed packed packer_detected
Result
Threat name:
Amadey, Credential Flusher, Cryptbot, Lu
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Attempt to bypass Chrome Application-Bound Encryption
C2 URLs / IPs found in malware configuration
Creates HTML files with .exe extension (expired dropper behavior)
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 large PE files
Drops PE files to the document folder of the user
Drops PE files to the user root directory
Excessive usage of taskkill to terminate processes
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Hides threads from debuggers
Loading BitLocker PowerShell Module
Machine Learning detection for dropped file
Machine Learning detection for sample
Modifies windows update settings
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
Query firmware table information (likely to detect VMs)
Sigma detected: New RUN Key Pointing to Suspicious Folder
Sigma detected: Suspicious Script Execution From Temp Folder
Suricata IDS alerts for network traffic
Suspicious execution chain found
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 Cryptbot
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: 1561628 Sample: file.exe Startdate: 24/11/2024 Architecture: WINDOWS Score: 100 100 property-imper.sbs 2->100 102 youtube.com 2->102 104 43 other IPs or domains 2->104 136 Multi AV Scanner detection for domain / URL 2->136 138 Suricata IDS alerts for network traffic 2->138 140 Found malware configuration 2->140 142 17 other signatures 2->142 9 skotes.exe 4 52 2->9         started        14 file.exe 36 2->14         started        16 32eab1d1d8.exe 2->16         started        18 5 other processes 2->18 signatures3 process4 dnsIp5 116 185.215.113.43 WHOLESALECONNECTIONSNL Portugal 9->116 118 31.41.244.11 AEROEXPRESS-ASRU Russian Federation 9->118 126 3 other IPs or domains 9->126 80 C:\Users\user\AppData\...\ef3d6a004b.exe, PE32 9->80 dropped 82 C:\Users\user\AppData\...\8236bedaa4.exe, PE32 9->82 dropped 84 C:\Users\user\AppData\...\10d8464898.exe, PE32 9->84 dropped 92 6 other malicious files 9->92 dropped 180 Multi AV Scanner detection for dropped file 9->180 182 Detected unpacking (changes PE section rights) 9->182 184 Creates HTML files with .exe extension (expired dropper behavior) 9->184 200 4 other signatures 9->200 20 32eab1d1d8.exe 9->20         started        24 5ff77f639c.exe 5 4 9->24         started        27 ef3d6a004b.exe 9->27         started        37 9 other processes 9->37 120 185.215.113.206, 49730, 49748, 80 WHOLESALECONNECTIONSNL Portugal 14->120 122 185.215.113.16, 49756, 80 WHOLESALECONNECTIONSNL Portugal 14->122 124 127.0.0.1 unknown unknown 14->124 86 C:\Users\user\DocumentsJKEGIDGDGH.exe, PE32 14->86 dropped 88 C:\Users\user\AppData\...\softokn3[1].dll, PE32 14->88 dropped 90 C:\Users\user\AppData\Local\...\random[1].exe, PE32 14->90 dropped 94 11 other files (7 malicious) 14->94 dropped 186 Attempt to bypass Chrome Application-Bound Encryption 14->186 188 Drops PE files to the document folder of the user 14->188 190 Tries to steal Mail credentials (via file / registry access) 14->190 202 4 other signatures 14->202 29 cmd.exe 1 14->29         started        31 chrome.exe 14->31         started        192 Query firmware table information (likely to detect VMs) 16->192 194 Tries to harvest and steal ftp login credentials 16->194 196 Tries to harvest and steal browser information (history, passwords, etc) 16->196 198 Excessive usage of taskkill to terminate processes 18->198 204 2 other signatures 18->204 33 firefox.exe 18->33         started        35 taskkill.exe 18->35         started        39 5 other processes 18->39 file6 signatures7 process8 dnsIp9 106 property-imper.sbs 104.21.33.116 CLOUDFLARENETUS United States 20->106 144 Multi AV Scanner detection for dropped file 20->144 146 Detected unpacking (changes PE section rights) 20->146 148 Query firmware table information (likely to detect VMs) 20->148 164 5 other signatures 20->164 108 fvtekk5pn.top 34.116.198.130 GOOGLE-AS-APGoogleAsiaPacificPteLtdSG United States 24->108 110 home.fvtekk5pn.top 24->110 78 C:\Users\user\AppData\...\service123.exe, PE32 24->78 dropped 150 Antivirus detection for dropped file 24->150 152 Machine Learning detection for dropped file 24->152 154 Drops large PE files 24->154 41 chrome.exe 24->41         started        156 Modifies windows update settings 27->156 158 Disables Windows Defender Tamper protection 27->158 166 3 other signatures 27->166 44 DocumentsJKEGIDGDGH.exe 4 29->44         started        47 conhost.exe 29->47         started        112 192.168.2.4, 443, 49723, 49730 unknown unknown 31->112 114 239.255.255.250 unknown Reserved 31->114 160 Suspicious execution chain found 31->160 49 chrome.exe 31->49         started        52 firefox.exe 33->52         started        54 conhost.exe 35->54         started        162 Excessive usage of taskkill to terminate processes 37->162 168 2 other signatures 37->168 56 taskkill.exe 37->56         started        58 18 other processes 37->58 60 5 other processes 39->60 file10 signatures11 process12 dnsIp13 170 Excessive usage of taskkill to terminate processes 41->170 62 chrome.exe 41->62         started        96 C:\Users\user\AppData\Local\...\skotes.exe, PE32 44->96 dropped 172 Multi AV Scanner detection for dropped file 44->172 174 Detected unpacking (changes PE section rights) 44->174 176 Tries to evade debugger and weak emulator (self modifying code) 44->176 178 4 other signatures 44->178 65 skotes.exe 44->65         started        98 www.google.com 142.250.181.100, 443, 49736, 49737 GOOGLEUS United States 49->98 68 conhost.exe 56->68         started        70 conhost.exe 58->70         started        72 conhost.exe 58->72         started        74 conhost.exe 58->74         started        76 6 other processes 58->76 file14 signatures15 process16 dnsIp17 128 www.google.com 62->128 130 Hides threads from debuggers 65->130 132 Tries to detect sandboxes / dynamic malware analysis system (registry check) 65->132 134 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 65->134 signatures18
Threat name:
Win32.Trojan.Generic
Status:
Malicious
First seen:
2024-11-24 01:13:05 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
20 of 24 (83.33%)
Threat level:
  2/5
Result
Malware family:
Score:
  10/10
Tags:
family:stealc botnet:mars 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:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
8a6cc8920cf42725520c13ddce71aadc567f18c1ec8c24b6d6778dba32b1595f
MD5 hash:
f7e487e210694a04dc9f2ed87748e4c7
SHA1 hash:
5d39f6097fe73ce93b952573503c5b164be2ff8b
Detections:
win_stealc_w0 win_stealc_a0
SH256 hash:
33ec7d97e387a484ca822a25143b5d01ddce8ab813200719537702f0931f9e87
MD5 hash:
f5634fe84a0d50da553341dd8b70f55b
SHA1 hash:
ee0ce0583edd4b0093709fb1be3aba975e4f7780
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)
Rule name:vmdetect
Author:nex
Description:Possibly employs anti-virtualization techniques

File information


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

Web download

Stealc

Executable exe 33ec7d97e387a484ca822a25143b5d01ddce8ab813200719537702f0931f9e87

(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