MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 592abfafc316f7bc70f4ba70308b1351438f8a57f20d1e7d092f486076ebec60. 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: 17


Intelligence 17 IOCs YARA 1 File information Comments

SHA256 hash: 592abfafc316f7bc70f4ba70308b1351438f8a57f20d1e7d092f486076ebec60
SHA3-384 hash: c492f232f8fe722b2b222d87ff585adf002959e861ff7a12485e79760a6ca5bec521fba4b590e9e823d34504255ff9d2
SHA1 hash: 94a13e5bedc1f4f68f913e6f8661219d42775d10
MD5 hash: 7218258407d8eb0196cde40a1c5077ed
humanhash: yellow-quiet-mississippi-carbon
File name:file
Download: download sample
Signature Stealc
File size:1'763'328 bytes
First seen:2024-12-08 01:52:58 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:YnNEXlQppQcM53C3YJ6CUyl4YeRdxzFnkaQ1Go:YnNESpKcMJCoPU5RnpnkaIG
TLSH T1DA8533B93CC1E662E63B47B2A881C6C8D5F8D247AB3139EF648F044165393ECF921D59
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 :
415
Origin country :
US US
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-12-08 01:56:14 UTC
Tags:
stealer stealc loader amadey botnet lumma themida

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
97.4%
Tags:
vmdetect autorun autoit spam
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, LummaC Steal
Detection:
malicious
Classification:
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)
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
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
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 Credential Flusher
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: 1570769 Sample: file.exe Startdate: 08/12/2024 Architecture: WINDOWS Score: 100 94 youtube.com 2->94 96 telemetry-incoming.r53-2.services.mozilla.com 2->96 98 18 other IPs or domains 2->98 130 Suricata IDS alerts for network traffic 2->130 132 Found malware configuration 2->132 134 Antivirus detection for URL or domain 2->134 136 16 other signatures 2->136 9 skotes.exe 3 26 2->9         started        14 file.exe 36 2->14         started        16 skotes.exe 2->16         started        18 5 other processes 2->18 signatures3 process4 dnsIp5 114 185.215.113.43 WHOLESALECONNECTIONSNL Portugal 9->114 76 C:\Users\user\AppData\...\b85a9a9a84.exe, PE32 9->76 dropped 78 C:\Users\user\AppData\...\0157865ccc.exe, PE32 9->78 dropped 80 C:\Users\user\AppData\...\653b39b270.exe, PE32 9->80 dropped 88 5 other malicious files 9->88 dropped 162 Creates multiple autostart registry keys 9->162 164 Hides threads from debuggers 9->164 166 Tries to detect sandboxes / dynamic malware analysis system (registry check) 9->166 20 6ac93c620b.exe 9->20         started        24 b85a9a9a84.exe 9->24         started        26 653b39b270.exe 9->26         started        28 0157865ccc.exe 9->28         started        116 185.215.113.206, 49730, 49745, 49757 WHOLESALECONNECTIONSNL Portugal 14->116 118 185.215.113.16, 49756, 80 WHOLESALECONNECTIONSNL Portugal 14->118 120 127.0.0.1 unknown unknown 14->120 82 C:\Users\user\Documents\CBGHCAKKFB.exe, PE32 14->82 dropped 84 C:\Users\user\AppData\...\softokn3[1].dll, PE32 14->84 dropped 86 C:\Users\user\AppData\Local\...\random[1].exe, PE32 14->86 dropped 90 11 other files (7 malicious) 14->90 dropped 168 Detected unpacking (changes PE section rights) 14->168 170 Attempt to bypass Chrome Application-Bound Encryption 14->170 172 Drops PE files to the document folder of the user 14->172 178 8 other signatures 14->178 30 cmd.exe 1 14->30         started        32 chrome.exe 14->32         started        174 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 16->174 176 Binary is likely a compiled AutoIt script file 18->176 34 firefox.exe 18->34         started        36 firefox.exe 18->36         started        38 5 other processes 18->38 file6 signatures7 process8 dnsIp9 102 atten-supporse.biz 104.21.16.9 CLOUDFLARENETUS United States 20->102 138 Antivirus detection for dropped file 20->138 140 Multi AV Scanner detection for dropped file 20->140 142 Detected unpacking (changes PE section rights) 20->142 158 5 other signatures 20->158 144 Machine Learning detection for dropped file 24->144 146 Modifies windows update settings 24->146 148 Disables Windows Defender Tamper protection 24->148 160 2 other signatures 24->160 150 Tries to detect sandboxes and other dynamic analysis tools (window names) 26->150 152 Tries to evade debugger and weak emulator (self modifying code) 26->152 154 Hides threads from debuggers 26->154 156 Binary is likely a compiled AutoIt script file 28->156 40 taskkill.exe 28->40         started        42 taskkill.exe 28->42         started        55 4 other processes 28->55 44 CBGHCAKKFB.exe 4 30->44         started        48 conhost.exe 30->48         started        104 192.168.2.4, 443, 49723, 49730 unknown unknown 32->104 106 239.255.255.250 unknown Reserved 32->106 50 chrome.exe 32->50         started        108 youtube.com 142.250.181.110 GOOGLEUS United States 34->108 110 prod.detectportal.prod.cloudops.mozgcp.net 34.107.221.82 GOOGLEUS United States 34->110 112 4 other IPs or domains 34->112 57 2 other processes 34->57 53 firefox.exe 36->53         started        59 5 other processes 38->59 signatures10 process11 dnsIp12 61 conhost.exe 40->61         started        63 conhost.exe 42->63         started        92 C:\Users\user\AppData\Local\...\skotes.exe, PE32 44->92 dropped 180 Antivirus detection for dropped file 44->180 182 Detected unpacking (changes PE section rights) 44->182 184 Machine Learning detection for dropped file 44->184 186 6 other signatures 44->186 65 skotes.exe 44->65         started        100 www.google.com 142.250.181.100, 443, 49734, 49735 GOOGLEUS United States 50->100 68 firefox.exe 53->68         started        70 conhost.exe 55->70         started        72 conhost.exe 55->72         started        74 conhost.exe 55->74         started        file13 signatures14 process15 signatures16 122 Antivirus detection for dropped file 65->122 124 Detected unpacking (changes PE section rights) 65->124 126 Machine Learning detection for dropped file 65->126 128 5 other signatures 65->128
Threat name:
Win32.Trojan.Stealerc
Status:
Malicious
First seen:
2024-12-08 01:53:07 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:amadey family:lumma family:stealc botnet:9c9aa5 botnet:stok credential_access discovery evasion persistence spyware stealer trojan
Behaviour
Checks processor information in registry
Enumerates system info in registry
Kills process with taskkill
Modifies data under HKEY_USERS
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Browser Information Discovery
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
Drops file in Windows directory
AutoIT Executable
Suspicious use of NtSetInformationThreadHideFromDebugger
Accesses cryptocurrency files/wallets, possible credential harvesting
Adds Run key to start application
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
Windows security modification
Downloads MZ/PE file
Uses browser remote debugging
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Amadey
Amadey family
Lumma Stealer, LummaC
Lumma family
Modifies Windows Defender Real-time Protection settings
Stealc
Stealc family
Malware Config
C2 Extraction:
http://185.215.113.206
http://185.215.113.43
https://impend-differ.biz/api
https://print-vexer.biz/api
https://dare-curbys.biz/api
https://covery-mover.biz/api
https://formy-spill.biz/api
https://dwell-exclaim.biz/api
https://zinc-sneark.biz/api
https://se-blurry.biz/api
https://atten-supporse.biz/api
Verdict:
Suspicious
Tags:
Stealc Stealer
YARA:
n/a
Unpacked files
SH256 hash:
d89f8b5e37f51519e002c5328c06389c2ce84eb1e05ebd6304a7a8a8c703714e
MD5 hash:
671ed2b3c02229caf9f2e6c4148dee54
SHA1 hash:
af12c7540415ef9f8acd71fbe65ff6694c099adb
Detections:
win_stealc_w0 win_stealc_a0
SH256 hash:
592abfafc316f7bc70f4ba70308b1351438f8a57f20d1e7d092f486076ebec60
MD5 hash:
7218258407d8eb0196cde40a1c5077ed
SHA1 hash:
94a13e5bedc1f4f68f913e6f8661219d42775d10
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 592abfafc316f7bc70f4ba70308b1351438f8a57f20d1e7d092f486076ebec60

(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