MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 230280a480e2b4301c9beed0e5519c1f72f8c5a2d4193b5f69d7a02f6884bb16. 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: 230280a480e2b4301c9beed0e5519c1f72f8c5a2d4193b5f69d7a02f6884bb16
SHA3-384 hash: 9870b13778bf10d0008ec9f06f35c49e635851575196091dde48fb6b1d672d48633c84bd0aa0853adff89e3c442954b4
SHA1 hash: 0f69f54846e26167777e3d56939adc72ddcb545c
MD5 hash: fdaa4171e6b15af5628a055bc7a7bca1
humanhash: twenty-missouri-fillet-kentucky
File name:file
Download: download sample
Signature Stealc
File size:2'484'736 bytes
First seen:2024-07-04 12:56:08 UTC
Last seen:2024-07-04 12:57:17 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 001806c33a6e9fe5fbff34bdbd79b591 (112 x Stealc, 9 x MarsStealer, 1 x Amadey)
ssdeep 49152:JWnoPATF3ed8uTO9u0boi9qD9Bt+wMw3tQKahDlZi5HMc:0o8U0bo80BtJQFNHWsc
Threatray 2'437 similar samples on MalwareBazaar
TLSH T113B533298DBAB035D383A2FF95BCDA11A4C54F91FD90D3EEA41B980642BDD410BB64DC
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)
Reporter Bitsight
Tags:exe Stealc


Avatar
Bitsight
url: http://77.91.77.81/stealc/random.exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
348
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
230280a480e2b4301c9beed0e5519c1f72f8c5a2d4193b5f69d7a02f6884bb16.exe
Verdict:
Malicious activity
Analysis date:
2024-07-04 12:58:01 UTC
Tags:
stealc stealer antivm screen loader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
Execution Generic Infostealer Network Stealth Trojan Zpack
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
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:
enigma lolbin microsoft_visual_cc packed packed shell32
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, Mars Stealer, Stealc, Vidar
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
Binary is likely a compiled AutoIt script file
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Found API chain indicative of debugger detection
Found API chain indicative of sandbox detection
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
PE file contains section with special chars
PE file has nameless sections
Sample uses string decryption to hide its real strings
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 Mars stealer
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1467652 Sample: file.exe Startdate: 04/07/2024 Architecture: WINDOWS Score: 100 90 Found malware configuration 2->90 92 Antivirus detection for URL or domain 2->92 94 Antivirus detection for dropped file 2->94 96 13 other signatures 2->96 11 file.exe 37 2->11         started        16 explorti.exe 2->16         started        18 explorti.exe 2->18         started        20 4 other processes 2->20 process3 dnsIp4 74 85.28.47.4, 49711, 49728, 80 GES-ASRU Russian Federation 11->74 76 77.91.77.81, 49718, 49726, 49729 FOTONTELECOM-TRANSIT-ASFOTONTELECOMISPRU Russian Federation 11->76 64 C:\Users\user\AppData\...\IJKKEHJDHJ.exe, PE32 11->64 dropped 66 C:\Users\user\AppData\...\softokn3[1].dll, PE32 11->66 dropped 68 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 11->68 dropped 70 11 other files (7 malicious) 11->70 dropped 126 Detected unpacking (changes PE section rights) 11->126 128 Tries to steal Mail credentials (via file / registry access) 11->128 130 Found many strings related to Crypto-Wallets (likely being stolen) 11->130 138 4 other signatures 11->138 22 cmd.exe 1 11->22         started        24 cmd.exe 2 11->24         started        132 Hides threads from debuggers 16->132 134 Tries to detect sandboxes / dynamic malware analysis system (registry check) 16->134 136 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 16->136 file5 signatures6 process7 process8 26 IJKKEHJDHJ.exe 4 22->26         started        30 conhost.exe 22->30         started        32 conhost.exe 24->32         started        file9 62 C:\Users\user\AppData\Local\...\explorti.exe, PE32 26->62 dropped 118 Antivirus detection for dropped file 26->118 120 Detected unpacking (changes PE section rights) 26->120 122 Machine Learning detection for dropped file 26->122 124 5 other signatures 26->124 34 explorti.exe 19 26->34         started        signatures10 process11 dnsIp12 72 77.91.77.82, 49724, 49727, 49730 FOTONTELECOM-TRANSIT-ASFOTONTELECOMISPRU Russian Federation 34->72 54 C:\Users\user\AppData\...\f22dc6d9c6.exe, PE32 34->54 dropped 56 C:\Users\user\AppData\...\71e0276aa1.exe, PE32 34->56 dropped 58 C:\Users\user\AppData\Local\...\random[1].exe, PE32 34->58 dropped 60 C:\Users\user\AppData\Local\...\random[1].exe, PE32 34->60 dropped 98 Antivirus detection for dropped file 34->98 100 Detected unpacking (changes PE section rights) 34->100 102 Tries to detect sandboxes and other dynamic analysis tools (window names) 34->102 104 5 other signatures 34->104 39 f22dc6d9c6.exe 1 34->39         started        42 71e0276aa1.exe 12 34->42         started        file13 signatures14 process15 signatures16 106 Antivirus detection for dropped file 39->106 108 Binary is likely a compiled AutoIt script file 39->108 110 Machine Learning detection for dropped file 39->110 116 2 other signatures 39->116 44 chrome.exe 39->44         started        112 Detected unpacking (changes PE section rights) 42->112 114 Hides threads from debuggers 42->114 process17 dnsIp18 78 192.168.2.5 unknown unknown 44->78 80 192.168.2.6, 443, 49706, 49710 unknown unknown 44->80 82 239.255.255.250 unknown Reserved 44->82 47 chrome.exe 44->47         started        50 chrome.exe 44->50         started        52 chrome.exe 44->52         started        process19 dnsIp20 84 142.250.185.110 GOOGLEUS United States 47->84 86 youtube-ui.l.google.com 142.250.186.142, 443, 49733 GOOGLEUS United States 47->86 88 10 other IPs or domains 47->88
Threat name:
Win32.Trojan.Generic
Status:
Malicious
First seen:
2024-07-04 12:57:12 UTC
File Type:
PE (Exe)
AV detection:
22 of 38 (57.89%)
Threat level:
  2/5
Result
Malware family:
Score:
  10/10
Tags:
family:amadey family:stealc botnet:4dd39d botnet:jony discovery evasion spyware stealer trojan
Behaviour
Enumerates system info in registry
Modifies data under HKEY_USERS
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
Checks processor information in registry
Delays execution with timeout.exe
Enumerates physical storage devices
Drops file in Windows directory
AutoIT Executable
Suspicious use of NtSetInformationThreadHideFromDebugger
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Checks BIOS information in registry
Checks computer location settings
Deletes itself
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
Downloads MZ/PE file
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Amadey
Stealc
Malware Config
C2 Extraction:
http://85.28.47.4
http://77.91.77.82
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
230280a480e2b4301c9beed0e5519c1f72f8c5a2d4193b5f69d7a02f6884bb16
MD5 hash:
fdaa4171e6b15af5628a055bc7a7bca1
SHA1 hash:
0f69f54846e26167777e3d56939adc72ddcb545c
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:maldoc_getEIP_method_1
Author:Didier Stevens (https://DidierStevens.com)

File information


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

Web download

Stealc

Executable exe 230280a480e2b4301c9beed0e5519c1f72f8c5a2d4193b5f69d7a02f6884bb16

(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
Reviews
IDCapabilitiesEvidence
SHELL_APIManipulates System Shellshell32.dll::ShellExecuteA
WIN_BASE_APIUses Win Base APIkernel32.dll::LoadLibraryA
WIN_BASE_IO_APICan Create Filesversion.dll::GetFileVersionInfoA

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