MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1aaf0ba084873f3bc180f82434b29fe7284c29aadd0e7d93ff5dce4d1e41c0c9. 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: 14


Intelligence 14 IOCs YARA 6 File information Comments
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SHA256 hash: 1aaf0ba084873f3bc180f82434b29fe7284c29aadd0e7d93ff5dce4d1e41c0c9
SHA3-384 hash: 5b5bba2b93e0613c6cabf2cb62981ef84f7593ab4e9705828be1e60b8439b867a6be96a8697a7fba117d0c9588b86e65
SHA1 hash: 8c899dd0654190176cf0df8bdfc296de8d083088
MD5 hash: 5efeeefeb3aa2bb979eae903a5188be7
humanhash: bluebird-india-ten-lemon
File name:5efeeefeb3aa2bb979eae903a5188be7.exe
Download: download sample
Signature Stealc
Create hunting rule
File size:296'448 bytes
First seen:2024-02-20 11:05:19 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f48274c59c4ca4043928b4b5fea130b7 (5 x Stealc, 1 x Glupteba)
ssdeep 6144:hMUSxBLLN+zYq4HN6lhFdybGwguqUtyVyQ/LmF4UaWC+9+hE:OvpmFRDZLu1aB+9x
Threatray 151 similar samples on MalwareBazaar
TLSH T11754011277D0E032E49269704E74E27256BFBD317A78850B73A44A3E5EA03C0DB79B5A
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 d2f8e4c4c4f9c6f9 (4 x Stealc)
Reporter abuse_ch
Tags:exe Stealc


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

Intelligence

File Origin
# of uploads :
1
# of downloads :
354
Origin country :
NL NL
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/477042/
Detection(s):
SecuriteInfo.com.W32.Kryptik.HJIS.tr.5312.24058.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a process with a hidden window
Launching a process
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
Launching the default Windows debugger (dwwin.exe)
Creating a window
Searching for synchronization primitives
Searching for the window
Creating a file in the %AppData% subdirectories
Running batch commands
Connection attempt to an infection source
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
fingerprint packed
Link:
https://www.filescan.io/uploads/65d487a0e304215defb4c921/reports/f1aa5be5-0764-490c-85af-15ccc48d4c56/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/1aaf0ba084873f3bc180f82434b29fe7284c29aadd0e7d93ff5dce4d1e41c0c9
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/69aa17f1-0213-46c9-af49-5782940b7f60
Result
Threat name:
Stealc, Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1395208
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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)
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: 1395208 Sample: 6YnyyVZJDz.exe Startdate: 20/02/2024 Architecture: WINDOWS Score: 100 51 Snort IDS alert for network traffic 2->51 53 Found malware configuration 2->53 55 Malicious sample detected (through community Yara rule) 2->55 57 6 other signatures 2->57 8 6YnyyVZJDz.exe 1 3 2->8         started        process3 dnsIp4 43 185.172.128.90, 49699, 80 NADYMSS-ASRU Russian Federation 8->43 45 185.172.128.109, 49702, 80 NADYMSS-ASRU Russian Federation 8->45 47 185.172.128.127, 49700, 49701, 80 NADYMSS-ASRU Russian Federation 8->47 33 C:\Users\user\AppData\Local\Temp\u2gc.0.exe, Unknown 8->33 dropped 61 Detected unpacking (changes PE section rights) 8->61 63 Detected unpacking (overwrites its own PE header) 8->63 13 u2gc.0.exe 67 8->13         started        18 u2gc.1.exe 2 5 8->18         started        20 WerFault.exe 19 16 8->20         started        file5 signatures6 process7 dnsIp8 49 185.172.128.145, 49703, 80 NADYMSS-ASRU Russian Federation 13->49 35 C:\Users\user\AppData\...\softokn3[1].dll, PE32 13->35 dropped 37 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 13->37 dropped 39 C:\Users\user\AppData\...\mozglue[1].dll, PE32 13->39 dropped 41 9 other files (5 malicious) 13->41 dropped 65 Antivirus detection for dropped file 13->65 67 Detected unpacking (changes PE section rights) 13->67 69 Detected unpacking (overwrites its own PE header) 13->69 71 8 other signatures 13->71 22 WerFault.exe 22 16 13->22         started        24 cmd.exe 1 18->24         started        file9 signatures10 process11 signatures12 59 Uses schtasks.exe or at.exe to add and modify task schedules 24->59 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/1aaf0ba084873f3bc180f82434b29fe7284c29aadd0e7d93ff5dce4d1e41c0c9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1aaf0ba084873f3bc180f82434b29fe7284c29aadd0e7d93ff5dce4d1e41c0c9/
Threat name:
Win32.Trojan.Smokeloader
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Status:
Malicious
First seen:
2024-02-20 11:06:07 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=dkxqxieeq47txqma7asdjmu744ueyknk3uhh3e77lxhe2hsbydeq._file
Verdict:
malicious
Similar samples:
096c1842a51fd1a2e70b5652706625be34b38057928142691d260d5b05581514
Stealc
15845dec2c7e05004d52ed8c1541d3b364fe6155f9263f7599b4e684fab2c3a5
Stealc
1ca559e6b5928c568fbb4f8de0bcb564f687774cbc1e1963ba9af862497f82eb
Stealc
3555805731fe9aeb942a0859e9205481f6367547068658f57ddf38859b8b5cba
Stealc
8c7c39736cf9d51e1763ec21d68b0ff45b229fb265239fcd3b467087ecb2aa80
Stealc
b5a550031245113f336edee9de44a8e5473eb4dd02c4201566a54c129df3f000
Stealc
baf93636b866c7974ce40d6783425066ef229efe94c735d77e52fe6d953eadc5
Stealc
fd0c4ce27e4c30e616b791bde30ffd351faeb416aa3e3717fbf023c41d3c374a
Stealc
+ 141 additional samples on MalwareBazaar
Result
Malware family:
stealc
Create hunting rule
Score:
  10/10
Tags:
family:stealc discovery spyware stealer
Link:
https://tria.ge/reports/240220-m7d1ysfc6w/
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/ab62299a-92e5-4c3b-bf47-75d75acd5289/
SH256 hash:
1aaf0ba084873f3bc180f82434b29fe7284c29aadd0e7d93ff5dce4d1e41c0c9
MD5 hash:
5efeeefeb3aa2bb979eae903a5188be7
SHA1 hash:
8c899dd0654190176cf0df8bdfc296de8d083088
Link:
https://www.unpac.me/results/ab62299a-92e5-4c3b-bf47-75d75acd5289/
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/1aaf0ba08487/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/1aaf0ba084873f3bc180f82434b29fe7284c29aadd0e7d93ff5dce4d1e41c0c9

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:command_and_control
Create hunting rule
Author:CD_R0M_
Description:This rule searches for common strings found by malware using C2. Based on a sample used by a Ransomware group
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:Windows_Trojan_Smokeloader_3687686f
Create hunting rule
Author:Elastic Security

File information

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

Web download

Stealc

Executable exe 1aaf0ba084873f3bc180f82434b29fe7284c29aadd0e7d93ff5dce4d1e41c0c9

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2765033/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/477042/

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