MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 76f5084bca22085b3c76484470899bcb77f86d41208d354cacd8129f0b464b00. 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: 76f5084bca22085b3c76484470899bcb77f86d41208d354cacd8129f0b464b00
SHA3-384 hash: 9987fdeb9eae9c1c8de4ffeb02d015080ff64ce98f00e728f0300f281c1f4644b73fed3c024fa82a52393320acfb3cd1
SHA1 hash: 84a62b658ac354d128b3063d8f4dd009fca19066
MD5 hash: 34c0942de85e9d78be772fc132b27288
humanhash: lithium-violet-lemon-zulu
File name:syncUpd.exe
Download: download sample
Signature Stealc
File size:245'760 bytes
First seen:2024-01-03 20:58:05 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 090041695468dcbe4eb2f63f21330c94 (2 x Smoke Loader, 1 x Tofsee, 1 x Stealc)
ssdeep 3072:PfULUw/ete5U+oXT0vHxNnQmaNyKqrykIbghLwgeRp:PfULzOei+oQ/xqmkDvQUge
TLSH T1E034C543A2E13E44EA268F739E3ECAE8774EF6508F497769112C9A1F04B51B2C173B51
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 10282850c4a44800 (1 x Stealc)
Reporter adm1n_usa32
Tags:exe Stealc

Intelligence


File Origin
# of uploads :
1
# of downloads :
358
Origin country :
RO RO
Vendor Threat Intelligence
Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Sending a custom TCP request
Changing a file
Creating a file in the %AppData% subdirectories
Verdict:
No Threat
Threat level:
  10/10
Confidence:
100%
Tags:
packed
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:
Stealc, Vidar
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found evasive API chain (may stop execution after checking locale)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Overwrites Mozilla Firefox settings
Sample uses string decryption to hide its real strings
Self deletion via cmd or bat file
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to steal Mail credentials (via file / registry access)
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Smokeloader
Status:
Malicious
First seen:
2024-01-03 20:59:06 UTC
File Type:
PE (Exe)
Extracted files:
58
AV detection:
19 of 22 (86.36%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:stealc discovery spyware stealer
Behaviour
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
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://185.172.128.79
Unpacked files
SH256 hash:
83aa2c435154d0d7a3795aeb055b61efb63623e41cfb36c2d307c528d7a800dd
MD5 hash:
0ab6d9806ae054279a2c9efbf7fb3add
SHA1 hash:
28d5e8b4d1ebdccd0ddbe5b04981424007708641
Detections:
stealc win_stealc_auto win_stealc_a0
SH256 hash:
76f5084bca22085b3c76484470899bcb77f86d41208d354cacd8129f0b464b00
MD5 hash:
34c0942de85e9d78be772fc132b27288
SHA1 hash:
84a62b658ac354d128b3063d8f4dd009fca19066
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:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

File information


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

Web download

Stealc

Executable exe 76f5084bca22085b3c76484470899bcb77f86d41208d354cacd8129f0b464b00

(this sample)

  
Delivery method
Distributed via web download

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