MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 4a1aae8c7fac1f4e79c39b6da1b431c4d3dc25585083ac569b9943392acefb77. 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: 16
| SHA256 hash: | 4a1aae8c7fac1f4e79c39b6da1b431c4d3dc25585083ac569b9943392acefb77 |
|---|---|
| SHA3-384 hash: | 0a8c05d5164e430362da105db702c46c8f39500184d3c327aeaffd61e09a55bf6c71579e3703a6e5d439b9a4a2bcf602 |
| SHA1 hash: | 67d32aedb30f0d89daea61c4dc8d0bd4a6e831ad |
| MD5 hash: | d882b9efafbb9c31b849b8af62f0552d |
| humanhash: | virginia-paris-hawaii-bacon |
| File name: | file |
| Download: | download sample |
| Signature | Stealc |
| File size: | 2'529'792 bytes |
| First seen: | 2024-07-11 11:48:46 UTC |
| Last seen: | 2024-07-11 13:08:07 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 001806c33a6e9fe5fbff34bdbd79b591 (112 x Stealc, 9 x MarsStealer, 1 x Amadey) |
| ssdeep | 49152:cLnJ8ByH66PuvVlPkkW/d2vD9333/hCE4988r9ITb7EazF:z8/uv/u2vBPgEDg9C7 |
| TLSH | T1D1C533955208542BF0B3DCFFEAE64BBF01F2597676845099EE3BAD0428D0717B92E40A |
| 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 |
Intelligence
File Origin
# of uploads :
12
# of downloads :
459
Origin country :
USVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
4a1aae8c7fac1f4e79c39b6da1b431c4d3dc25585083ac569b9943392acefb77.exe
Verdict:
Malicious activity
Analysis date:
2024-07-11 11:53:20 UTC
Tags:
stealer stealc
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Verdict:
Malicious
Score:
92.5%
Link:
Tags:
Stealth 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
Verdict:
Malicious
Labled as:
Malware
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.
Verdict:
Suspicious
Result
Threat name:
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 URL or domain
C2 URLs / IPs found in malware configuration
Creates HTML files with .exe extension (expired dropper behavior)
Detected unpacking (changes PE section rights)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Hides threads from debuggers
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
PE file has nameless sections
Sample uses string decryption to hide its real strings
Snort IDS alert for network traffic
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 Mars stealer
Yara detected Powershell download and execute
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
PE
Threat name:
Win32.Spyware.Stealc
Status:
Suspicious
First seen:
2024-07-11 11:29:31 UTC
File Type:
PE (Exe)
AV detection:
22 of 24 (91.67%)
Threat level:
2/5
Detection(s):
Suspicious file
Verdict:
malicious
Result
Malware family:
stealc
Score:
10/10
Tags:
family:stealc botnet:hate discovery spyware stealer
Behaviour
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of NtSetInformationThreadHideFromDebugger
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Checks computer location settings
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Downloads MZ/PE file
Stealc
Malware Config
C2 Extraction:
http://85.28.47.30
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
4a1aae8c7fac1f4e79c39b6da1b431c4d3dc25585083ac569b9943392acefb77
MD5 hash:
d882b9efafbb9c31b849b8af62f0552d
SHA1 hash:
67d32aedb30f0d89daea61c4dc8d0bd4a6e831ad
Malware family:
Stealc
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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
Dropped by
Privateloader
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
| ID | Title | Severity |
|---|---|---|
| CHECK_AUTHENTICODE | Missing Authenticode | high |
| CHECK_DLL_CHARACTERISTICS | Missing dll Security Characteristics (HIGH_ENTROPY_VA) | high |
| CHECK_NX | Missing Non-Executable Memory Protection | critical |
Reviews
| ID | Capabilities | Evidence |
|---|---|---|
| SHELL_API | Manipulates System Shell | shell32.dll::ShellExecuteA |
| WIN_BASE_API | Uses Win Base API | kernel32.dll::LoadLibraryA |
| WIN_BASE_IO_API | Can Create Files | version.dll::GetFileVersionInfoA |
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