MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7429025ffbd85e5be2431ed0df5876af6447aaccbc8c672d18d3145a81904d5b. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7429025ffbd85e5be2431ed0df5876af6447aaccbc8c672d18d3145a81904d5b
SHA3-384 hash: 230e1e596a311184ef5af7707ebfce83a0445c49d7220e1817647bbaf82f744e8577af81bb9f7ce5b7eb2a81d194cc40
SHA1 hash: 8ceb7d0db9d7010847046f9315648ad23b62e302
MD5 hash: 6ef660f3b72711a1d0c325ee9f1d0147
humanhash: chicken-delaware-enemy-mango
File name:file
Download: download sample
Signature Stealc
Create hunting rule
File size:2'525'184 bytes
First seen:2024-07-14 03:01:40 UTC
Last seen:2024-07-24 16:09:13 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 001806c33a6e9fe5fbff34bdbd79b591 (112 x Stealc, 9 x MarsStealer, 1 x Amadey)
ssdeep 49152:zaKYHT7rp0hqjBgHe3x1uULlvrkenpz18fLl3A1:eVT7rgqjBrXucTnpBV
TLSH T1E9C533C8A4CCDC39D969EDFB855A828083DB226CB1D6439545A5DDA343F4FD888BCE12
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


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

Intelligence

File Origin
# of uploads :
15
# of downloads :
363
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
7429025ffbd85e5be2431ed0df5876af6447aaccbc8c672d18d3145a81904d5b.exe
Verdict:
Malicious activity
Analysis date:
2024-07-14 03:07:02 UTC
Tags:
stealer stealc
Link:
https://app.any.run/tasks/2ddfda8a-bd70-4ec3-852c-6a2f64ee8269

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
PUA.Win.Packer.EnigmaProtector-9852682-0
Create hunting rule

Verdict:
Malicious
Score:
81.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66933facbcca3f923eb46559win7simulatehigh_evasion
Tags:
n/a
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:
Unknown
Link:
https://www.hybrid-analysis.com/sample/7429025ffbd85e5be2431ed0df5876af6447aaccbc8c672d18d3145a81904d5b
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/5aa1042e-64b4-4227-a945-771339545515
Result
Threat name:
Amadey, Mars Stealer, Stealc, Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1472794
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Binary is likely a compiled AutoIt script file
C2 URLs / IPs found in malware configuration
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 dropped file
Machine Learning detection for sample
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
PE file contains section with special chars
PE file has nameless sections
Sample uses string decryption to hide its real strings
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 Mars stealer
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: 1472794 Sample: file.exe Startdate: 14/07/2024 Architecture: WINDOWS Score: 100 73 youtube-ui.l.google.com 2->73 75 www.youtube.com 2->75 77 33 other IPs or domains 2->77 101 Snort IDS alert for network traffic 2->101 103 Multi AV Scanner detection for domain / URL 2->103 105 Found malware configuration 2->105 107 17 other signatures 2->107 11 file.exe 37 2->11         started        16 explorti.exe 2->16         started        18 explorti.exe 2->18         started        20 firefox.exe 2->20         started        signatures3 process4 dnsIp5 85 85.28.47.30, 49705, 49722, 80 GES-ASRU Russian Federation 11->85 87 77.91.77.81, 49706, 49719, 49721 FOTONTELECOM-TRANSIT-ASFOTONTELECOMISPRU Russian Federation 11->87 55 C:\Users\user\AppData\...\CAFHIJDHDG.exe, PE32 11->55 dropped 57 C:\Users\user\AppData\...\softokn3[1].dll, PE32 11->57 dropped 59 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 11->59 dropped 61 12 other files (8 malicious) 11->61 dropped 109 Detected unpacking (changes PE section rights) 11->109 111 Tries to steal Mail credentials (via file / registry access) 11->111 113 Found many strings related to Crypto-Wallets (likely being stolen) 11->113 121 4 other signatures 11->121 22 cmd.exe 1 11->22         started        24 cmd.exe 2 11->24         started        115 Hides threads from debuggers 16->115 117 Tries to detect sandboxes / dynamic malware analysis system (registry check) 16->117 119 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 16->119 26 firefox.exe 20->26         started        file6 signatures7 process8 dnsIp9 29 CAFHIJDHDG.exe 4 22->29         started        33 conhost.exe 22->33         started        35 conhost.exe 24->35         started        79 youtube-ui.l.google.com 142.250.185.78 GOOGLEUS United States 26->79 81 prod.detectportal.prod.cloudops.mozgcp.net 34.107.221.82 GOOGLEUS United States 26->81 83 9 other IPs or domains 26->83 37 firefox.exe 26->37         started        39 firefox.exe 26->39         started        41 firefox.exe 26->41         started        process10 file11 71 C:\Users\user\AppData\Local\...\explorti.exe, PE32 29->71 dropped 131 Antivirus detection for dropped file 29->131 133 Detected unpacking (changes PE section rights) 29->133 135 Machine Learning detection for dropped file 29->135 137 5 other signatures 29->137 43 explorti.exe 19 29->43         started        signatures12 process13 dnsIp14 89 77.91.77.82, 49718, 49720, 80 FOTONTELECOM-TRANSIT-ASFOTONTELECOMISPRU Russian Federation 43->89 63 C:\Users\user\AppData\...\209da4ac9e.exe, PE32 43->63 dropped 65 C:\Users\user\AppData\...\63e99c5015.exe, PE32 43->65 dropped 67 C:\Users\user\AppData\Local\...\random[1].exe, PE32 43->67 dropped 69 C:\Users\user\AppData\Local\...\random[1].exe, PE32 43->69 dropped 123 Antivirus detection for dropped file 43->123 125 Detected unpacking (changes PE section rights) 43->125 127 Tries to detect sandboxes and other dynamic analysis tools (window names) 43->127 129 5 other signatures 43->129 48 63e99c5015.exe 12 43->48         started        51 209da4ac9e.exe 1 43->51         started        file15 signatures16 process17 signatures18 91 Antivirus detection for dropped file 48->91 93 Detected unpacking (changes PE section rights) 48->93 95 Machine Learning detection for dropped file 48->95 97 Hides threads from debuggers 48->97 99 Binary is likely a compiled AutoIt script file 51->99 53 firefox.exe 51->53         started        process19
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/7429025ffbd85e5be2431ed0df5876af6447aaccbc8c672d18d3145a81904d5b
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/7429025ffbd85e5be2431ed0df5876af6447aaccbc8c672d18d3145a81904d5b/
Threat name:
Win32.Spyware.Stealc
Create hunting rule
Status:
Suspicious
First seen:
2024-07-14 04:03:34 UTC
AV detection:
21 of 24 (87.50%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=oquqex733bpfxysdd3in6wdwv5sepkwmxsggoliy2mkfvamqjvnq._file
Verdict:
malicious
Result
Malware family:
stealc
Create hunting rule
Score:
  10/10
Tags:
family:amadey family:stealc botnet:4dd39d botnet:hate discovery evasion spyware stealer trojan
Link:
https://tria.ge/reports/240714-djfp7swhlg/
Behaviour
Checks processor information in registry
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Drops file in Windows directory
AutoIT Executable
Suspicious use of NtSetInformationThreadHideFromDebugger
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Checks BIOS information in registry
Checks computer location settings
Executes dropped EXE
Identifies Wine through registry keys
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Downloads MZ/PE file
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Amadey
Stealc
Malware Config
C2 Extraction:
http://85.28.47.30
http://77.91.77.82
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/6ad152cd-0302-4ac9-81a5-4f73cb9c2b60
Unpacked files
SH256 hash:
7429025ffbd85e5be2431ed0df5876af6447aaccbc8c672d18d3145a81904d5b
MD5 hash:
6ef660f3b72711a1d0c325ee9f1d0147
SHA1 hash:
8ceb7d0db9d7010847046f9315648ad23b62e302
Link:
https://www.unpac.me/results/f8994c3b-d006-4639-b299-371af49e7d46/
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/7429025ffbd8/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/7429025ffbd85e5be2431ed0df5876af6447aaccbc8c672d18d3145a81904d5b

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
Create hunting rule
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

Stealc

Executable exe 7429025ffbd85e5be2431ed0df5876af6447aaccbc8c672d18d3145a81904d5b

(this sample)

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

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
CHECK_NXMissing Non-Executable Memory Protectioncritical
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