MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b3613d68d751db139c727ee5b6ac08eaa8c16e65f101d2fc180bbd51f34f4f66. 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: 17


Intelligence 17 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b3613d68d751db139c727ee5b6ac08eaa8c16e65f101d2fc180bbd51f34f4f66
SHA3-384 hash: 4d202bd230c38455b625f45f3dd635ecceb07cae9fd08ac4f260020c2ff6c645f5534affcb5c911b9401089dca21950a
SHA1 hash: ebe0234906ae6c5771a638275c47874427db0765
MD5 hash: d4c082c4660a6c5d6c30fd469aedd932
humanhash: sixteen-mississippi-romeo-jig
File name:file
Download: download sample
Signature Stealc
Create hunting rule
File size:694'784 bytes
First seen:2024-07-20 16:36:26 UTC
Last seen:2024-07-20 20:28:27 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f4d7bc3fdef18bca35b7253afc196af9 (11 x Stealc)
ssdeep 12288:7WPsBl8o7YNQHN2K3yd9ids0JKpKyVjqdE4VT1VjRydmKceGOlX25HqvoRv:7WEbFwQHN2K3yWds0JkKyVjqC4VTzymt
Threatray 390 similar samples on MalwareBazaar
TLSH T143E42378D3384652E039E4B964D8F130461C3DEE960EAA1E1AEFEBD0545A0DED35B8C7
TrID 40.5% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
16.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
12.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
11.0% (.EXE) Win32 Executable (generic) (4504/4/1)
5.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter Bitsight
Tags:exe Stealc


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

Intelligence

File Origin
# of uploads :
19
# of downloads :
446
Origin country :
US US
Vendor Threat Intelligence
Malware family:
redline
Create hunting rule
ID:
1
File name:
fecffd8f6cdd8ad950507bebbb23a146ec5252e35be146840ded98dff189cf12.zip
Verdict:
Malicious activity
Analysis date:
2024-07-20 20:12:21 UTC
Tags:
evasion privateloader discord loader risepro stealer stealc telegram redline metastealer vidar miner themida enigma antivm adware neoreklami
Link:
https://app.any.run/tasks/d266e4ce-3133-471e-b9b1-4a21145712e3

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
PUA.Win.Packer.EnigmaProtector-12
Create hunting rule

PUA.Win.Packer.EnigmaProtector-5
Create hunting rule

PUA.Win.Packer.EnigmaProtector-9852682-0
Create hunting rule

Win.Malware.Tar4rkdi-6804466-0
Create hunting rule

Win.Trojan.Scar-6903585-0
Create hunting rule

Verdict:
Malicious
Score:
95.7%
Link:
https://cyber-fortress.com/docs/result/index.php?id=669be7afb302ab76f448190f
Tags:
Execution Generic Infostealer Network Stealth Trojan
Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a file in the %temp% directory
Connecting to a non-recommended domain
Connection attempt
Sending an HTTP GET request
Running batch commands
Creating a process with a hidden window
Launching a process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-vm enigma lolbin microsoft_visual_cc obfuscated packed packed shell32
Link:
https://www.filescan.io/uploads/669be7ae7b9add553ed86c6c/reports/68d81116-d856-40bd-b6ff-4587fdedbff5/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/b3613d68d751db139c727ee5b6ac08eaa8c16e65f101d2fc180bbd51f34f4f66
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:
Malicious
Link:
https://analyze.intezer.com/analyses/ea371b49-542e-4bb9-9d9f-ee53961db282
Result
Threat name:
Amadey, Babadeda, Stealc, Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1477253
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to detect sleep reduction / modifications
Creates multiple autostart registry keys
Detected unpacking (changes PE section rights)
Drops PE files to the document folder of the user
Drops PE files to the user root directory
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
Maps a DLL or memory area into another process
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file contains section with special chars
PE file has nameless sections
Self deletion via cmd or bat file
Sigma detected: New RUN Key Pointing to Suspicious Folder
Snort IDS alert for network traffic
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 Babadeda
Yara detected Powershell download and execute
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1477253 Sample: file.exe Startdate: 20/07/2024 Architecture: WINDOWS Score: 100 120 youtube-ui.l.google.com 2->120 122 www.youtube.com 2->122 124 24 other IPs or domains 2->124 142 Snort IDS alert for network traffic 2->142 144 Multi AV Scanner detection for domain / URL 2->144 146 Found malware configuration 2->146 148 15 other signatures 2->148 11 file.exe 1 39 2->11         started        16 explorti.exe 2->16         started        18 explorti.exe 2->18         started        20 9 other processes 2->20 signatures3 process4 dnsIp5 130 85.28.47.31, 49730, 80 GES-ASRU Russian Federation 11->130 132 77.91.77.81, 49731, 49842, 80 FOTONTELECOM-TRANSIT-ASFOTONTELECOMISPRU Russian Federation 11->132 88 C:\Users\user\DocumentsHCFCFHJDBK.exe, PE32 11->88 dropped 90 C:\Users\user\AppData\...\softokn3[1].dll, PE32 11->90 dropped 92 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 11->92 dropped 102 14 other files (10 malicious) 11->102 dropped 164 Detected unpacking (changes PE section rights) 11->164 166 Drops PE files to the document folder of the user 11->166 168 Tries to steal Mail credentials (via file / registry access) 11->168 186 8 other signatures 11->186 22 cmd.exe 1 11->22         started        24 cmd.exe 1 11->24         started        26 cmd.exe 1 11->26         started        134 77.91.77.82, 49841, 80 FOTONTELECOM-TRANSIT-ASFOTONTELECOMISPRU Russian Federation 16->134 94 C:\Users\user\AppData\...\ea781f298c.exe, PE32 16->94 dropped 96 C:\Users\user\AppData\...\656f3796f7.exe, PE32 16->96 dropped 98 C:\Users\user\AppData\Local\...\random[1].exe, PE32 16->98 dropped 100 C:\Users\user\AppData\Local\...\random[1].exe, PE32 16->100 dropped 170 Creates multiple autostart registry keys 16->170 172 Hides threads from debuggers 16->172 174 Tries to detect sandboxes / dynamic malware analysis system (registry check) 16->174 176 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 16->176 28 656f3796f7.exe 16->28         started        31 ea781f298c.exe 16->31         started        178 Tries to detect sandboxes and other dynamic analysis tools (window names) 18->178 180 Tries to evade debugger and weak emulator (self modifying code) 18->180 182 Tries to detect virtualization through RDTSC time measurements 18->182 104 4 other malicious files 20->104 dropped 184 Maps a DLL or memory area into another process 20->184 33 firefox.exe 3 89 20->33         started        37 msedge.exe 20->37         started        39 firefox.exe 20->39         started        41 6 other processes 20->41 file6 signatures7 process8 dnsIp9 43 userFBFCFIEBKE.exe 4 22->43         started        47 conhost.exe 22->47         started        49 DocumentsHCFCFHJDBK.exe 8 24->49         started        51 conhost.exe 24->51         started        53 conhost.exe 26->53         started        55 timeout.exe 26->55         started        150 Multi AV Scanner detection for dropped file 28->150 152 Detected unpacking (changes PE section rights) 28->152 154 Hides threads from debuggers 28->154 57 firefox.exe 31->57         started        106 services.addons.mozilla.org 18.65.39.31, 443, 49832, 49835 MIT-GATEWAYSUS United States 33->106 114 5 other IPs or domains 33->114 82 C:\Users\user\AppData\...\gmpopenh264.dll.tmp, PE32+ 33->82 dropped 84 C:\Users\user\...\gmpopenh264.dll (copy), PE32+ 33->84 dropped 61 2 other processes 33->61 108 13.107.246.40, 443, 49784, 49796 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 37->108 110 20.96.153.111, 443, 49775 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 37->110 116 16 other IPs or domains 37->116 112 142.250.184.238 GOOGLEUS United States 39->112 118 2 other IPs or domains 39->118 59 firefox.exe 39->59         started        file10 signatures11 process12 file13 86 C:\Users\user\AppData\Local\...\explorti.exe, PE32 43->86 dropped 156 Antivirus detection for dropped file 43->156 158 Detected unpacking (changes PE section rights) 43->158 160 Machine Learning detection for dropped file 43->160 162 5 other signatures 43->162 63 explorti.exe 43->63         started        66 cmd.exe 1 49->66         started        signatures14 process15 signatures16 188 Hides threads from debuggers 63->188 190 Tries to detect sandboxes / dynamic malware analysis system (registry check) 63->190 192 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 63->192 68 chrome.exe 1 66->68         started        71 msedge.exe 16 66->71         started        73 conhost.exe 66->73         started        75 firefox.exe 1 66->75         started        process17 dnsIp18 126 192.168.2.4, 443, 49672, 49723 unknown unknown 68->126 128 239.255.255.250 unknown Reserved 68->128 77 chrome.exe 68->77         started        80 msedge.exe 71->80         started        process19 dnsIp20 136 youtube-ui.l.google.com 142.250.185.78, 443, 49734 GOOGLEUS United States 77->136 138 www.google.com 216.58.212.164, 443, 49812 GOOGLEUS United States 77->138 140 www.youtube.com 77->140
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b3613d68d751db139c727ee5b6ac08eaa8c16e65f101d2fc180bbd51f34f4f66
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b3613d68d751db139c727ee5b6ac08eaa8c16e65f101d2fc180bbd51f34f4f66/
Threat name:
Win32.Trojan.Stealerc
Create hunting rule
Status:
Malicious
First seen:
2024-07-20 16:37:05 UTC
File Type:
PE (Exe)
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wnqt22gxkhnrhhdsp3s3nlai5kumc3tf6ea5f7aybo6vd42pj5ta._file
Verdict:
malicious
Similar samples:
0ce28511b648d489dbc5de2fa6862f4c63b547547c7ea62830f56690397df458
Stealc
32f298b9605a0cc1cfb21e14d2fd74e2a265b8ce75cd6a1580a35473992d2886
Stealc
37a7ad7e8ace3477705c037277832204c5296be48c38fcdd4e8056e8d2a6e4c1
Stealc
60937ed12522a1a7ff0a9e76e66505b900c2e048ca0aac0e10a67e3cf5a993dd
Stealc
a4e51ce0f2bcb0159ce826e68319a9387660406b965727c473d6603a2615daa7
Stealc
+ 380 additional samples on MalwareBazaar
Result
Malware family:
stealc
Create hunting rule
Score:
  10/10
Tags:
family:stealc botnet:default stealer
Link:
https://tria.ge/reports/240720-t4ss9stend/
Behaviour
Suspicious use of SetWindowsHookEx
Stealc
Malware Config
C2 Extraction:
http://85.28.47.31
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/21eda7f6-e796-4f5f-af88-cb7b3b58a583
Unpacked files
SH256 hash:
b3613d68d751db139c727ee5b6ac08eaa8c16e65f101d2fc180bbd51f34f4f66
MD5 hash:
d4c082c4660a6c5d6c30fd469aedd932
SHA1 hash:
ebe0234906ae6c5771a638275c47874427db0765
Detections:
SUSP_XORed_URL_In_EXE
Create hunting rule
Link:
https://www.unpac.me/results/928012d6-a1ed-4a57-8d19-b9a72d18c72f/
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/b3613d68d751db139c727ee5b6ac08eaa8c16e65f101d2fc180bbd51f34f4f66

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:EnigmaProtector1XSukhovVladimirSergeNMarkin
Create hunting rule
Author:malware-lu
Rule name:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:SUSP_XORed_URL_In_EXE
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834
Rule name:SUSP_XORed_URL_in_EXE_RID2E46
Create hunting rule
Author:Florian Roth
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834
Rule name:vmdetect
Create hunting rule
Author:nex
Description:Possibly employs anti-virtualization techniques

File information

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

Web download

Stealc

Executable exe b3613d68d751db139c727ee5b6ac08eaa8c16e65f101d2fc180bbd51f34f4f66

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2909129/
  
URLhaus
https://urlhaus.abuse.ch/url/2908698/
  
URLhaus
https://urlhaus.abuse.ch/url/2909131/

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

Comments