MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9023777f5529c209b55ac61d14e2a7f978491d14df51268b49d947010f46376d. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9023777f5529c209b55ac61d14e2a7f978491d14df51268b49d947010f46376d
SHA3-384 hash: 4e5b8a29c9b434a39ea77e47ba611646d22631ef9a003fe24218660b42cbd5cc5ca4ca2983b5686c6bfb40da00a65b1c
SHA1 hash: 5da5eb1c673010c0b9999c4943999696ecbcdc9d
MD5 hash: f19adb4ea42ab4e1cfe99d50a00956e3
humanhash: aspen-nineteen-bulldog-sierra
File name:file
Download: download sample
Signature Stealc
Create hunting rule
File size:2'518'528 bytes
First seen:2024-07-04 04:12:18 UTC
Last seen:2024-07-04 05:16:55 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 001806c33a6e9fe5fbff34bdbd79b591 (112 x Stealc, 9 x MarsStealer, 1 x Amadey)
ssdeep 49152:qPiKGXBUQl7x+fss5ceOAlBqEO110m5GTsDM4nk2OMFCAsB5uE6WxBHnwB8z:qsz3ns6eDBqEO7R+IDk2OMF/8uZghwM
TLSH T10FC533E0352133DFFB7587790A4640584D388E88D63EEB4B75ADD634A981C89B34FC6A
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 :
2
# of downloads :
294
Origin country :
US US
Vendor Threat Intelligence
Malware family:
amadey
Create hunting rule
ID:
1
File name:
9023777f5529c209b55ac61d14e2a7f978491d14df51268b49d947010f46376d.exe
Verdict:
Malicious activity
Analysis date:
2024-07-04 04:14:53 UTC
Tags:
stealer stealc loader antivm amadey botnet themida
Link:
https://app.any.run/tasks/8d7f9db2-c5ff-48eb-99b3-bc9748932d7b

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:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=668621f094b35ad6fbebb61ewin10vpnfull_triage
Tags:
Execution Generic Infostealer Network Stealth Trojan Zpack
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
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:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
enigma lolbin microsoft_visual_cc packed packed shell32
Link:
https://www.filescan.io/uploads/66862150eae3878d8f3ccda9/reports/d3428436-fe6d-4e55-844d-23e3b889f2fc/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/9023777f5529c209b55ac61d14e2a7f978491d14df51268b49d947010f46376d
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/e5586e85-5fa5-4df2-b90a-a91d9206f3fb
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/1467382
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 dropped file
Multi AV Scanner detection for submitted file
PE file contains section with special chars
PE file has nameless sections
Potentially malicious time measurement code found
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 Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1467382 Sample: file.exe Startdate: 04/07/2024 Architecture: WINDOWS Score: 100 81 Snort IDS alert for network traffic 2->81 83 Found malware configuration 2->83 85 Antivirus detection for URL or domain 2->85 87 16 other signatures 2->87 8 file.exe 37 2->8         started        13 explorti.exe 19 2->13         started        15 explorti.exe 2->15         started        process3 dnsIp4 69 85.28.47.4, 49704, 49723, 80 GES-ASRU Russian Federation 8->69 71 77.91.77.81, 49705, 49721, 49724 FOTONTELECOM-TRANSIT-ASFOTONTELECOMISPRU Russian Federation 8->71 47 C:\Users\user\AppData\...\CBFCFBFBFB.exe, PE32 8->47 dropped 49 C:\Users\user\AppData\...\softokn3[1].dll, PE32 8->49 dropped 51 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 8->51 dropped 61 11 other files (7 malicious) 8->61 dropped 109 Detected unpacking (changes PE section rights) 8->109 111 Tries to steal Mail credentials (via file / registry access) 8->111 113 Found many strings related to Crypto-Wallets (likely being stolen) 8->113 121 4 other signatures 8->121 17 cmd.exe 1 8->17         started        19 cmd.exe 2 8->19         started        73 77.91.77.82, 49720, 49722, 49725 FOTONTELECOM-TRANSIT-ASFOTONTELECOMISPRU Russian Federation 13->73 53 C:\Users\user\AppData\...\33ae71b2b1.exe, PE32 13->53 dropped 55 C:\Users\user\AppData\...\26af7f27d3.exe, PE32 13->55 dropped 57 C:\Users\user\AppData\Local\...\random[1].exe, PE32 13->57 dropped 59 C:\Users\user\AppData\Local\...\random[1].exe, PE32 13->59 dropped 115 Hides threads from debuggers 13->115 117 Tries to detect sandboxes / dynamic malware analysis system (registry check) 13->117 119 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 13->119 21 33ae71b2b1.exe 1 13->21         started        24 26af7f27d3.exe 12 13->24         started        file5 signatures6 process7 signatures8 26 CBFCFBFBFB.exe 4 17->26         started        30 conhost.exe 17->30         started        32 conhost.exe 19->32         started        89 Antivirus detection for dropped file 21->89 91 Multi AV Scanner detection for dropped file 21->91 93 Binary is likely a compiled AutoIt script file 21->93 34 chrome.exe 21->34         started        95 Detected unpacking (changes PE section rights) 24->95 97 Machine Learning detection for dropped file 24->97 99 Hides threads from debuggers 24->99 process9 dnsIp10 63 C:\Users\user\AppData\Local\...\explorti.exe, PE32 26->63 dropped 123 Antivirus detection for dropped file 26->123 125 Detected unpacking (changes PE section rights) 26->125 127 Machine Learning detection for dropped file 26->127 129 6 other signatures 26->129 37 explorti.exe 26->37         started        65 192.168.2.5, 443, 49430, 49586 unknown unknown 34->65 67 239.255.255.250 unknown Reserved 34->67 40 chrome.exe 34->40         started        43 chrome.exe 34->43         started        45 chrome.exe 34->45         started        file11 signatures12 process13 dnsIp14 101 Antivirus detection for dropped file 37->101 103 Detected unpacking (changes PE section rights) 37->103 105 Tries to detect sandboxes and other dynamic analysis tools (window names) 37->105 107 5 other signatures 37->107 75 www3.l.google.com 142.250.186.110, 443, 49757 GOOGLEUS United States 40->75 77 play.google.com 142.250.186.142, 443, 49761, 49762 GOOGLEUS United States 40->77 79 4 other IPs or domains 40->79 signatures15
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/9023777f5529c209b55ac61d14e2a7f978491d14df51268b49d947010f46376d
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/9023777f5529c209b55ac61d14e2a7f978491d14df51268b49d947010f46376d/
Threat name:
Win32.Trojan.StealC
Create hunting rule
Status:
Malicious
First seen:
2024-07-04 04:13:13 UTC
File Type:
PE (Exe)
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=sarxo72vfhbatnk2yyorjyvh7f4eshiu35isnc2j3fdqcd2gg5wq._file
Verdict:
malicious
Result
Malware family:
stealc
Create hunting rule
Score:
  10/10
Tags:
family:amadey family:stealc botnet:4dd39d botnet:jony discovery evasion spyware stealer trojan
Link:
https://tria.ge/reports/240704-es3rrswcje/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
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://85.28.47.4
http://77.91.77.82
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/667f54ff-d230-4d38-aafa-dd72a1f6d288
Unpacked files
SH256 hash:
9023777f5529c209b55ac61d14e2a7f978491d14df51268b49d947010f46376d
MD5 hash:
f19adb4ea42ab4e1cfe99d50a00956e3
SHA1 hash:
5da5eb1c673010c0b9999c4943999696ecbcdc9d
Link:
https://www.unpac.me/results/33ca6512-860b-4fb2-962d-b2c14a17d219/
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/9023777f5529/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/9023777f5529c209b55ac61d14e2a7f978491d14df51268b49d947010f46376d

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 9023777f5529c209b55ac61d14e2a7f978491d14df51268b49d947010f46376d

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2920704/
  
URLhaus
https://urlhaus.abuse.ch/url/2908698/
  
URLhaus
https://urlhaus.abuse.ch/url/2909129/
  
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
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