MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c8a3e4e3cd7431d71f9c61bb9d0b10745da85359c33745d1b9773b49efbb581e. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c8a3e4e3cd7431d71f9c61bb9d0b10745da85359c33745d1b9773b49efbb581e
SHA3-384 hash: 62a013b960493f4f21a9c959e1e373fa80354267b5468defdf7227ce9bbb766fe4bfad3c2825285ad0f2436d120f4e62
SHA1 hash: 6ebce6930a242459b1d7d76332ebfab51716f43d
MD5 hash: 78885f880c86755dd80acc745342d163
humanhash: diet-papa-november-pennsylvania
File name:file
Download: download sample
Signature Stealc
Create hunting rule
File size:1'801'728 bytes
First seen:2024-11-25 21:15:56 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:qdChiMaPny0Kesx1avl0tqvBLyMBLGccghS:qdCh9iIesxotwqvBP
Threatray 1 similar samples on MalwareBazaar
TLSH T13B85332A37844C37E956E5B79B03D3CE7624EE31DC017B185A8950BE4C87AF82E5253E
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 :
424
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-11-25 21:18:38 UTC
Tags:
stealer stealc
Link:
https://app.any.run/tasks/37caac31-6e0c-4cf3-a7d4-ddda368dbce3

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.TrojanX-gen.22919.8366.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
94.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6744e915b31374f098345ba8
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:
anti-vm microsoft_visual_cc packed packed packer_detected
Link:
https://www.filescan.io/uploads/6744e9145c5e2370a38cfa99/reports/8d1b7161-74d9-426e-abfa-bfe9282ddaed/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/c8a3e4e3cd7431d71f9c61bb9d0b10745da85359c33745d1b9773b49efbb581e
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/ae2585be-4017-4156-bce2-8e4325735e58
Result
Threat name:
Amadey, Credential Flusher, Cryptbot, Da
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1562688
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
AI detected suspicious sample
Allocates memory in foreign processes
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
Drops PE files to the user root directory
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Hides that the sample has been downloaded from the Internet (zone.identifier)
Hides threads from debuggers
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
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 delay execution (extensive OutputDebugStringW loop)
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 (process name or module or function)
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)
Writes to foreign memory regions
Yara detected Amadeys stealer DLL
Yara detected AntiVM3
Yara detected Credential Flusher
Yara detected Cryptbot
Yara detected DarkTortilla Crypter
Yara detected LummaC Stealer
Yara detected Powershell download and execute
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1562688 Sample: file.exe Startdate: 25/11/2024 Architecture: WINDOWS Score: 100 95 youtube.com 2->95 97 youtube-ui.l.google.com 2->97 99 33 other IPs or domains 2->99 131 Suricata IDS alerts for network traffic 2->131 133 Found malware configuration 2->133 135 Antivirus detection for URL or domain 2->135 137 21 other signatures 2->137 9 skotes.exe 4 32 2->9         started        14 file.exe 36 2->14         started        16 1bceed6f62.exe 2->16         started        18 4 other processes 2->18 signatures3 process4 dnsIp5 115 185.215.113.43, 49774, 49785, 80 WHOLESALECONNECTIONSNL Portugal 9->115 117 31.41.244.11, 49786, 80 AEROEXPRESS-ASRU Russian Federation 9->117 77 C:\Users\user\AppData\...\8446373148.exe, PE32 9->77 dropped 79 C:\Users\user\AppData\...\d14b3355e1.exe, PE32 9->79 dropped 81 C:\Users\user\AppData\...\4ae1932098.exe, PE32 9->81 dropped 89 8 other malicious files 9->89 dropped 181 Creates multiple autostart registry keys 9->181 183 Hides threads from debuggers 9->183 185 Tries to detect sandboxes / dynamic malware analysis system (registry check) 9->185 20 x4lburt.exe 1 3 9->20         started        24 1bceed6f62.exe 9->24         started        27 d200ccef11.exe 9->27         started        37 3 other processes 9->37 119 185.215.113.16, 49760, 80 WHOLESALECONNECTIONSNL Portugal 14->119 121 185.215.113.206, 49730, 49750, 49761 WHOLESALECONNECTIONSNL Portugal 14->121 123 127.0.0.1 unknown unknown 14->123 83 C:\Users\user\DocumentsIJKKEHJDHJ.exe, PE32 14->83 dropped 85 C:\Users\user\AppData\...\softokn3[1].dll, PE32 14->85 dropped 87 C:\Users\user\AppData\Local\...\random[1].exe, PE32 14->87 dropped 91 11 other files (7 malicious) 14->91 dropped 187 Detected unpacking (changes PE section rights) 14->187 189 Attempt to bypass Chrome Application-Bound Encryption 14->189 191 Drops PE files to the document folder of the user 14->191 197 9 other signatures 14->197 29 cmd.exe 1 14->29         started        31 chrome.exe 14->31         started        193 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 16->193 195 Binary is likely a compiled AutoIt script file 18->195 33 firefox.exe 18->33         started        35 taskkill.exe 18->35         started        file6 signatures7 process8 dnsIp9 75 C:\Users\user\AppData\...\computerlead.exe, PE32 20->75 dropped 139 Antivirus detection for dropped file 20->139 141 Multi AV Scanner detection for dropped file 20->141 143 Machine Learning detection for dropped file 20->143 145 Creates multiple autostart registry keys 20->145 39 computerlead.exe 2 20->39         started        101 occupy-blushi.sbs 104.21.7.169 CLOUDFLARENETUS United States 24->101 147 Detected unpacking (changes PE section rights) 24->147 149 Query firmware table information (likely to detect VMs) 24->149 151 Found many strings related to Crypto-Wallets (likely being stolen) 24->151 161 3 other signatures 24->161 111 2 other IPs or domains 27->111 153 Tries to evade debugger and weak emulator (self modifying code) 27->153 163 2 other signatures 27->163 42 DocumentsIJKKEHJDHJ.exe 4 29->42         started        45 conhost.exe 29->45         started        103 192.168.2.4, 443, 49723, 49724 unknown unknown 31->103 105 239.255.255.250 unknown Reserved 31->105 47 chrome.exe 31->47         started        107 youtube.com 142.250.181.142 GOOGLEUS United States 33->107 109 prod.detectportal.prod.cloudops.mozgcp.net 34.107.221.82 GOOGLEUS United States 33->109 113 4 other IPs or domains 33->113 56 2 other processes 33->56 50 conhost.exe 35->50         started        155 Binary is likely a compiled AutoIt script file 37->155 157 Tries to detect sandboxes and other dynamic analysis tools (window names) 37->157 159 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 37->159 52 taskkill.exe 37->52         started        54 taskkill.exe 37->54         started        58 4 other processes 37->58 file10 signatures11 process12 dnsIp13 165 Antivirus detection for dropped file 39->165 167 Multi AV Scanner detection for dropped file 39->167 169 Machine Learning detection for dropped file 39->169 177 6 other signatures 39->177 60 AddInProcess32.exe 39->60         started        93 C:\Users\user\AppData\Local\...\skotes.exe, PE32 42->93 dropped 171 Detected unpacking (changes PE section rights) 42->171 173 Tries to evade debugger and weak emulator (self modifying code) 42->173 175 Tries to detect virtualization through RDTSC time measurements 42->175 179 3 other signatures 42->179 62 skotes.exe 42->62         started        125 www.google.com 142.250.181.100, 443, 49735, 49736 GOOGLEUS United States 47->125 127 plus.l.google.com 142.250.181.110, 443, 49752 GOOGLEUS United States 47->127 129 2 other IPs or domains 47->129 65 conhost.exe 52->65         started        67 conhost.exe 54->67         started        69 conhost.exe 58->69         started        71 conhost.exe 58->71         started        73 conhost.exe 58->73         started        file14 signatures15 process16 signatures17 199 Antivirus detection for dropped file 62->199 201 Detected unpacking (changes PE section rights) 62->201 203 Machine Learning detection for dropped file 62->203 205 4 other signatures 62->205
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/c8a3e4e3cd7431d71f9c61bb9d0b10745da85359c33745d1b9773b49efbb581e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c8a3e4e3cd7431d71f9c61bb9d0b10745da85359c33745d1b9773b49efbb581e/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Malicious
First seen:
2024-11-25 21:16:06 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
27 of 38 (71.05%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zcr6jy6noqy5oh44mg5z2cyqoro2qu2zym3ulunzo45ut353lapa._file
Verdict:
malicious
Label(s):
stealc
Create hunting rule
Similar samples:
c8a3e4e3cd7431d71f9c61bb9d0b10745da85359c33745d1b9773b49efbb581e
Stealc
error
Stealc
Result
Malware family:
stealc
Create hunting rule
Score:
  10/10
Tags:
family:stealc botnet:mars discovery evasion stealer
Link:
https://tria.ge/reports/241125-z4fftstlck/
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
Link:
https://app.threat.zone/submission/1adb0c86-b332-423f-8e08-35660684ddf3
Unpacked files
SH256 hash:
2147094d4ec6d2a11a09d4173d2ad7ae91b45051d52d577f1a1a681a3335963f
MD5 hash:
71c470e8ae4379e41ebaa5af68f5287e
SHA1 hash:
5593e6db90cd9c035897de54cb6ff94ee4471a37
Link:
https://www.unpac.me/results/7678526e-0af4-4e41-a560-85d6daa0fae0/
SH256 hash:
c8a3e4e3cd7431d71f9c61bb9d0b10745da85359c33745d1b9773b49efbb581e
MD5 hash:
78885f880c86755dd80acc745342d163
SHA1 hash:
6ebce6930a242459b1d7d76332ebfab51716f43d
Link:
https://www.unpac.me/results/7678526e-0af4-4e41-a560-85d6daa0fae0/
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c8a3e4e3cd74/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/c8a3e4e3cd7431d71f9c61bb9d0b10745da85359c33745d1b9773b49efbb581e

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
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:vmdetect
Create hunting rule
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 c8a3e4e3cd7431d71f9c61bb9d0b10745da85359c33745d1b9773b49efbb581e

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3284801/
  
URLhaus
https://urlhaus.abuse.ch/url/3079150/
  
URLhaus
https://urlhaus.abuse.ch/url/3273391/
  
URLhaus
https://urlhaus.abuse.ch/url/3279845/

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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