MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 04a4ed789f8a254681cc65fe7361660373cc8a37b66992979c916bf4f990c8b9. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 04a4ed789f8a254681cc65fe7361660373cc8a37b66992979c916bf4f990c8b9
SHA3-384 hash: b46440806187fa40c3812035207f16ac8ca506a539fc9c5ab4cb2498c9083de2b6531f0af519b45d308c9174a836d066
SHA1 hash: 3415a46735182d0d9e599fe7f13ddf31855323e4
MD5 hash: 195cd12e36a633619a91c8ef4232c9d7
humanhash: fifteen-october-table-mike
File name:file
Download: download sample
Signature Stealc
Create hunting rule
File size:1'129'984 bytes
First seen:2024-07-16 23:59:10 UTC
Last seen:2024-07-24 10:49:49 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 001806c33a6e9fe5fbff34bdbd79b591 (112 x Stealc, 9 x MarsStealer, 1 x Amadey)
ssdeep 24576:D8ONrU6NFF0HYplu/6JuHsMFm88IVfHdLyJZ1nCEEWu5Yj8G:QsNFIY3JOft8mfCbCb68
TLSH T125353341252E58BFF8A38BB8B9521447CDECFA68157B29BB7753C0D870986B75834CB0
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 :
372
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
04a4ed789f8a254681cc65fe7361660373cc8a37b66992979c916bf4f990c8b9.exe
Verdict:
Malicious activity
Analysis date:
2024-07-17 15:06:24 UTC
Tags:
stealer stealc
Link:
https://app.any.run/tasks/d3824bb3-d450-4e82-966e-d36eb83b80f1

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Malware.Zusy-9818359-0
Create hunting rule

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

Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=669709834de77648397b6f7a
Tags:
Infostealer
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 obfuscated packed packed shell32
Link:
https://www.filescan.io/uploads/66970983f1068d66afbe7274/reports/68f41c5a-bc1d-4f14-b059-d59fbd3e8367/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/04a4ed789f8a254681cc65fe7361660373cc8a37b66992979c916bf4f990c8b9
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:
Spark
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/4bbd2d9c-0781-4654-ab9d-cf293b18f139
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/1474564
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
Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation))
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 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 Powershell download and execute
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1474564 Sample: file.exe Startdate: 17/07/2024 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->77 103 Snort IDS alert for network traffic 2->103 105 Multi AV Scanner detection for domain / URL 2->105 107 Found malware configuration 2->107 109 18 other signatures 2->109 11 file.exe 37 2->11         started        16 explorti.exe 2->16         started        18 explorti.exe 2->18         started        20 2 other processes 2->20 signatures3 process4 dnsIp5 85 85.28.47.30, 49711, 49727, 80 GES-ASRU Russian Federation 11->85 87 77.91.77.81, 49714, 49725, 49728 FOTONTELECOM-TRANSIT-ASFOTONTELECOMISPRU Russian Federation 11->87 55 C:\Users\user\AppData\...\FBGCAAAAFB.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 111 Detected unpacking (changes PE section rights) 11->111 113 Tries to steal Mail credentials (via file / registry access) 11->113 115 Found many strings related to Crypto-Wallets (likely being stolen) 11->115 125 4 other signatures 11->125 22 cmd.exe 1 11->22         started        24 cmd.exe 2 11->24         started        117 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 16->117 119 Hides threads from debuggers 16->119 121 Tries to detect sandboxes / dynamic malware analysis system (registry check) 16->121 123 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 18->123 26 firefox.exe 20->26         started        file6 signatures7 process8 dnsIp9 29 FBGCAAAAFB.exe 4 22->29         started        33 conhost.exe 22->33         started        35 conhost.exe 24->35         started        79 youtube-ui.l.google.com 216.58.212.142, 443, 49754, 49755 GOOGLEUS United States 26->79 81 prod.detectportal.prod.cloudops.mozgcp.net 34.107.221.82, 49756, 49762, 49770 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 135 Antivirus detection for dropped file 29->135 137 Detected unpacking (changes PE section rights) 29->137 139 Machine Learning detection for dropped file 29->139 141 6 other signatures 29->141 43 explorti.exe 19 29->43         started        signatures12 process13 dnsIp14 89 77.91.77.82, 49724, 49726, 49729 FOTONTELECOM-TRANSIT-ASFOTONTELECOMISPRU Russian Federation 43->89 63 C:\Users\user\AppData\...\de53525134.exe, PE32 43->63 dropped 65 C:\Users\user\AppData\...\bf753448be.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 127 Antivirus detection for dropped file 43->127 129 Detected unpacking (changes PE section rights) 43->129 131 Tries to detect sandboxes and other dynamic analysis tools (window names) 43->131 133 5 other signatures 43->133 48 bf753448be.exe 12 43->48         started        51 de53525134.exe 1 43->51         started        file15 signatures16 process17 signatures18 91 Antivirus detection for dropped file 48->91 93 Multi AV Scanner detection for dropped file 48->93 95 Detected unpacking (changes PE section rights) 48->95 97 Hides threads from debuggers 48->97 99 Binary is likely a compiled AutoIt script file 51->99 101 Machine Learning detection for dropped file 51->101 53 firefox.exe 51->53         started        process19
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/04a4ed789f8a254681cc65fe7361660373cc8a37b66992979c916bf4f990c8b9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/04a4ed789f8a254681cc65fe7361660373cc8a37b66992979c916bf4f990c8b9/
Threat name:
Win32.Trojan.Stealc
Create hunting rule
Status:
Malicious
First seen:
2024-07-17 00:00:06 UTC
File Type:
PE (Exe)
AV detection:
23 of 24 (95.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=asso26e7risunaommx7hgylganz4zcrxwzuzff44sfv7j6mqzc4q._file
Verdict:
malicious
Result
Malware family:
stealc
Create hunting rule
Score:
  10/10
Tags:
family:amadey family:stealc botnet:4dd39d botnet:funny discovery evasion spyware stealer trojan
Link:
https://tria.ge/reports/240717-aabhcawfrr/
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/9716ffb6-c87e-4039-9466-892f140feba5
Unpacked files
SH256 hash:
04a4ed789f8a254681cc65fe7361660373cc8a37b66992979c916bf4f990c8b9
MD5 hash:
195cd12e36a633619a91c8ef4232c9d7
SHA1 hash:
3415a46735182d0d9e599fe7f13ddf31855323e4
Detections:
SUSP_XORed_URL_In_EXE
Create hunting rule
Link:
https://www.unpac.me/results/54cdccbb-27fb-40f3-8bdf-c02df9b79169/
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/04a4ed789f8a254681cc65fe7361660373cc8a37b66992979c916bf4f990c8b9

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)
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

File information

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

Web download

Stealc

Executable exe 04a4ed789f8a254681cc65fe7361660373cc8a37b66992979c916bf4f990c8b9

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3047215/
  
URLhaus
https://urlhaus.abuse.ch/url/3047216/
  
URLhaus
https://urlhaus.abuse.ch/url/2909131/
  
URLhaus
https://urlhaus.abuse.ch/url/2909129/
  
URLhaus
https://urlhaus.abuse.ch/url/2908698/
  
URLhaus
https://urlhaus.abuse.ch/url/3047209/

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

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