MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b40c560f0a180a69895a8f71b48f44166c9041f8a35cd58c7e0b856b43b28e9d. 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


Intelligence 16 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b40c560f0a180a69895a8f71b48f44166c9041f8a35cd58c7e0b856b43b28e9d
SHA3-384 hash: 8162ee83ff40061ab83a682b17fc181e7854d9da8f7a5e55b693ddc437630a8bb02b8465bffc9a32938def33738f753a
SHA1 hash: 0de3dce48e8880dbd9a46ab51d70a6beaf77e181
MD5 hash: b6c8de3328306eef91fcf0bfb0728e23
humanhash: mockingbird-fillet-twenty-lima
File name:b6c8de3328306eef91fcf0bfb0728e23.exe
Download: download sample
Signature Stealc
Create hunting rule
File size:301'568 bytes
First seen:2024-02-20 20:55:58 UTC
Last seen:2024-02-20 22:23:22 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 6d6606d86ca686348329796ae4c15941 (4 x Stealc, 1 x GCleaner)
ssdeep 6144:jd/8ohW6lco0aw0WQflWsfDdxsqz6pPljQpqxdsR5:j58ohW2co0awu5fJiC6pPlgH5
TLSH T16B540231F3D1E031C5972A3468A5DF728D7D316122B9408F63A45B3E9FA47E09E3AB16
TrID 46.6% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
25.2% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
8.5% (.EXE) Win64 Executable (generic) (10523/12/4)
5.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.0% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon d2f0e4c4e4f9c6f9 (9 x Stealc, 2 x LummaStealer, 2 x RedLineStealer)
Reporter abuse_ch
Tags:exe Stealc


Avatar
abuse_ch
Stealc C2:
http://185.172.128.145/3cd2b41cbde8fc9c.php

Intelligence

File Origin
# of uploads :
2
# of downloads :
363
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
bomb.exe
Verdict:
Malicious activity
Analysis date:
2024-02-20 20:39:54 UTC
Tags:
hausbomber opendir loader stealer stealc agenttesla risepro evasion nanocore redline originbotnet asyncrat payload rat remote rhadamanthys
Link:
https://app.any.run/tasks/00c7827d-3647-4241-8086-a03237b5e71a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/477142/
Detection(s):
SecuriteInfo.com.Win32.DropperX-gen.12249.27000.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending an HTTP GET request to an infection source
Creating a file in the %temp% directory
Сreating synchronization primitives
Creating a process from a recently created file
Connecting to a non-recommended domain
Connection attempt
Sending an HTTP GET request
Creating a file
Creating a window
Searching for synchronization primitives
Reading critical registry keys
Launching the default Windows debugger (dwwin.exe)
Searching for the window
Creating a file in the %AppData% subdirectories
Running batch commands
Creating a process with a hidden window
Changing a file
Launching a process
Connection attempt to an infection source
Stealing user critical data
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
fingerprint packed
Link:
https://www.filescan.io/uploads/65d511ea26f1ddc579a25a11/reports/f80ddae7-baad-4585-babf-0c6923edef30/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/b40c560f0a180a69895a8f71b48f44166c9041f8a35cd58c7e0b856b43b28e9d
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.
Malware family:
Generic Malware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/1500a524-6fea-4a35-b0d5-74b3fa9d75c6
Result
Threat name:
Stealc, Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1395656
Signature
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 malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Searches for specific processes (likely to inject)
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1395656 Sample: 7tmjdxtnxV.exe Startdate: 20/02/2024 Architecture: WINDOWS Score: 100 53 Snort IDS alert for network traffic 2->53 55 Found malware configuration 2->55 57 Malicious sample detected (through community Yara rule) 2->57 59 5 other signatures 2->59 8 7tmjdxtnxV.exe 1 3 2->8         started        process3 dnsIp4 45 185.172.128.90, 49729, 80 NADYMSS-ASRU Russian Federation 8->45 47 185.172.128.109, 49732, 80 NADYMSS-ASRU Russian Federation 8->47 49 185.172.128.127, 49730, 49731, 80 NADYMSS-ASRU Russian Federation 8->49 33 C:\Users\user\AppData\Local\Temp\u58g.1.exe, PE32 8->33 dropped 35 C:\Users\user\AppData\Local\Temp\u58g.0.exe, PE32 8->35 dropped 63 Detected unpacking (changes PE section rights) 8->63 65 Detected unpacking (overwrites its own PE header) 8->65 13 u58g.0.exe 56 8->13         started        18 u58g.1.exe 2 5 8->18         started        20 WerFault.exe 21 16 8->20         started        file5 signatures6 process7 dnsIp8 51 185.172.128.145, 49733, 80 NADYMSS-ASRU Russian Federation 13->51 37 C:\Users\user\AppData\...\softokn3[1].dll, PE32 13->37 dropped 39 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 13->39 dropped 41 C:\Users\user\AppData\...\mozglue[1].dll, PE32 13->41 dropped 43 9 other files (5 malicious) 13->43 dropped 67 Detected unpacking (changes PE section rights) 13->67 69 Detected unpacking (overwrites its own PE header) 13->69 71 Tries to steal Mail credentials (via file / registry access) 13->71 75 7 other signatures 13->75 22 WerFault.exe 20 16 13->22         started        73 Multi AV Scanner detection for dropped file 18->73 24 cmd.exe 1 18->24         started        file9 signatures10 process11 signatures12 61 Uses schtasks.exe or at.exe to add and modify task schedules 24->61 27 conhost.exe 24->27         started        29 schtasks.exe 1 24->29         started        31 chcp.com 1 24->31         started        process13
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b40c560f0a180a69895a8f71b48f44166c9041f8a35cd58c7e0b856b43b28e9d
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b40c560f0a180a69895a8f71b48f44166c9041f8a35cd58c7e0b856b43b28e9d/
Threat name:
Win32.Trojan.Smokeloader
Create hunting rule
Status:
Malicious
First seen:
2024-02-20 20:56:07 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wqgfmdykdafgtck2r5y3jd2eczwjaqpyunonldd6bocwwq5sr2oq._file
Verdict:
malicious
Result
Malware family:
stealc
Create hunting rule
Score:
  10/10
Tags:
family:stealc discovery spyware stealer
Link:
https://tria.ge/reports/240220-zqz83sfd57/
Behaviour
Checks processor information in registry
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Checks computer location settings
Executes dropped EXE
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://185.172.128.145
Unpacked files
SH256 hash:
822f18c193a9dca10beca54e45f423e617f1404a537062a0eb4f27f085578389
MD5 hash:
8f695bb4af2df1672af5106c42d7f634
SHA1 hash:
7e9e1fc59c5fa984fd3f344a0f9fe50e375e272a
Link:
https://www.unpac.me/results/8d1cd9cb-a366-440c-a8bc-aea38d06dc4f/
SH256 hash:
b40c560f0a180a69895a8f71b48f44166c9041f8a35cd58c7e0b856b43b28e9d
MD5 hash:
b6c8de3328306eef91fcf0bfb0728e23
SHA1 hash:
0de3dce48e8880dbd9a46ab51d70a6beaf77e181
Link:
https://www.unpac.me/results/8d1cd9cb-a366-440c-a8bc-aea38d06dc4f/
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b40c560f0a18/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/b40c560f0a180a69895a8f71b48f44166c9041f8a35cd58c7e0b856b43b28e9d

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
Create hunting rule
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 b40c560f0a180a69895a8f71b48f44166c9041f8a35cd58c7e0b856b43b28e9d

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2765033/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/477142/
  
URLhaus
https://urlhaus.abuse.ch/url/2765035/

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