MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f15a1ea66357015df906e30343a67b916e8eed6f542bb9f6a53acaf5ce2849b2. 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: 15


Intelligence 15 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f15a1ea66357015df906e30343a67b916e8eed6f542bb9f6a53acaf5ce2849b2
SHA3-384 hash: d9547789a5a74a2cc30db7a6a44a6f61a969295c51cddb7a040c6fc88416037e8d8709a626699aa5b6deb3f4b0a990e1
SHA1 hash: 50a6ed243451de7764afff537a980d93db20f898
MD5 hash: 0a191d15dda81d6110b4fc7c6a24515a
humanhash: lithium-bacon-gee-rugby
File name:file
Download: download sample
Signature Stealc
Create hunting rule
File size:378'880 bytes
First seen:2024-07-18 16:26:18 UTC
Last seen:2024-07-24 22:56:15 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 5c03f97b5f3e812ef89246641eaba2fa (2 x Stealc, 1 x RedLineStealer)
ssdeep 6144:UTVLdeErsZ/lyvUpo9lqXPT2OL32bkj+7Gt19y/qSp9hdqee:6LgErJ4mbdG/8zFe
TLSH T16584D01175C0C473D63316320AF4DBB96A7EBDB00E655E9FA7984FAE0F341C19621A2B
TrID 32.2% (.EXE) Win64 Executable (generic) (10523/12/4)
20.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
15.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
13.7% (.EXE) Win32 Executable (generic) (4504/4/1)
6.2% (.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 :
18
# of downloads :
386
Origin country :
US US
Vendor Threat Intelligence
Detection(s):
Win.Keylogger.Lazy-10031941-0
Create hunting rule

Win.Packed.Injuke-10033459-0
Create hunting rule

Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=669942576ac935d7e8db934b
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Launching a process
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Connection attempt to an infection source
Unauthorized injection to a system process
Sending an HTTP GET request to an infection source
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
epmicrosoft_visual_cc fingerprint microsoft_visual_cc packed
Link:
https://www.filescan.io/uploads/66994261a537d9330bdf7616/reports/7f62cc9e-82f2-469f-80ce-c1213b054533/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/f15a1ea66357015df906e30343a67b916e8eed6f542bb9f6a53acaf5ce2849b2
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/f51b31f3-5632-414c-b8a4-ceec16fc4b8f
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/1476107
Signature
AI detected suspicious sample
Allocates memory in foreign processes
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
Contains functionality to inject code into remote processes
Detected unpacking (changes PE section rights)
Found evasive API chain (may stop execution after checking locale)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Hides threads from debuggers
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
PE file contains section with special chars
Sample uses string decryption to hide its real strings
Searches for specific processes (likely to inject)
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)
Writes to foreign memory regions
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: 1476107 Sample: file.exe Startdate: 18/07/2024 Architecture: WINDOWS Score: 100 87 youtube-ui.l.google.com 2->87 89 www.youtube.com 2->89 91 33 other IPs or domains 2->91 105 Snort IDS alert for network traffic 2->105 107 Found malware configuration 2->107 109 Antivirus detection for URL or domain 2->109 111 12 other signatures 2->111 10 file.exe 1 2->10         started        13 explorti.exe 19 2->13         started        17 explorti.exe 2->17         started        19 firefox.exe 2->19         started        signatures3 process4 dnsIp5 143 Contains functionality to inject code into remote processes 10->143 145 Writes to foreign memory regions 10->145 147 Allocates memory in foreign processes 10->147 149 Injects a PE file into a foreign processes 10->149 21 RegAsm.exe 36 10->21         started        26 RegAsm.exe 10->26         started        28 conhost.exe 10->28         started        103 77.91.77.82, 49744, 49746, 49749 FOTONTELECOM-TRANSIT-ASFOTONTELECOMISPRU Russian Federation 13->103 79 C:\Users\user\AppData\...\52348d0e46.exe, PE32 13->79 dropped 81 C:\Users\user\AppData\...\27b8d38e4f.exe, PE32 13->81 dropped 83 C:\Users\user\AppData\Local\...\random[1].exe, PE32 13->83 dropped 85 C:\Users\user\AppData\Local\...\random[1].exe, PE32 13->85 dropped 151 Hides threads from debuggers 13->151 153 Tries to detect sandboxes / dynamic malware analysis system (registry check) 13->153 155 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 13->155 30 27b8d38e4f.exe 1 13->30         started        32 52348d0e46.exe 13->32         started        34 firefox.exe 19->34         started        file6 signatures7 process8 dnsIp9 93 85.28.47.30, 49730, 49747, 80 GES-ASRU Russian Federation 21->93 95 77.91.77.81, 49732, 49745, 49748 FOTONTELECOM-TRANSIT-ASFOTONTELECOMISPRU Russian Federation 21->95 65 C:\Users\user\AppData\...\DHJJEGHIID.exe, PE32 21->65 dropped 67 C:\Users\user\AppData\...\softokn3[1].dll, PE32 21->67 dropped 69 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 21->69 dropped 77 12 other files (8 malicious) 21->77 dropped 121 Tries to steal Mail credentials (via file / registry access) 21->121 123 Found many strings related to Crypto-Wallets (likely being stolen) 21->123 125 Tries to harvest and steal ftp login credentials 21->125 141 3 other signatures 21->141 36 cmd.exe 1 21->36         started        38 cmd.exe 2 21->38         started        127 Found evasive API chain (may stop execution after checking locale) 26->127 129 Searches for specific processes (likely to inject) 26->129 131 Machine Learning detection for dropped file 30->131 133 Writes to foreign memory regions 30->133 135 Allocates memory in foreign processes 30->135 137 Injects a PE file into a foreign processes 30->137 40 RegAsm.exe 12 30->40         started        42 conhost.exe 30->42         started        139 Binary is likely a compiled AutoIt script file 32->139 44 firefox.exe 32->44         started        97 services.addons.mozilla.org 18.65.39.112, 443, 49822 MIT-GATEWAYSUS United States 34->97 99 youtube-ui.l.google.com 142.250.185.110, 443, 49773, 49774 GOOGLEUS United States 34->99 101 10 other IPs or domains 34->101 71 C:\Users\user\AppData\...\gmpopenh264.dll.tmp, PE32+ 34->71 dropped 73 C:\Users\user\...\gmpopenh264.dll (copy), PE32+ 34->73 dropped 75 C:\Users\user\AppData\...\places.sqlite-wal, SQLite 34->75 dropped 46 firefox.exe 34->46         started        48 firefox.exe 34->48         started        50 firefox.exe 34->50         started        file10 signatures11 process12 process13 52 DHJJEGHIID.exe 4 36->52         started        56 conhost.exe 36->56         started        58 conhost.exe 38->58         started        file14 63 C:\Users\user\AppData\Local\...\explorti.exe, PE32 52->63 dropped 113 Antivirus detection for dropped file 52->113 115 Detected unpacking (changes PE section rights) 52->115 117 Machine Learning detection for dropped file 52->117 119 5 other signatures 52->119 60 explorti.exe 52->60         started        signatures15 process16 signatures17 157 Antivirus detection for dropped file 60->157 159 Detected unpacking (changes PE section rights) 60->159 161 Tries to detect sandboxes and other dynamic analysis tools (window names) 60->161 163 5 other signatures 60->163
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/f15a1ea66357015df906e30343a67b916e8eed6f542bb9f6a53acaf5ce2849b2
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f15a1ea66357015df906e30343a67b916e8eed6f542bb9f6a53acaf5ce2849b2/
Threat name:
Win32.Ransomware.RedLine
Create hunting rule
Status:
Malicious
First seen:
2024-07-18 16:27:05 UTC
File Type:
PE (Exe)
AV detection:
27 of 37 (72.97%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6fnb5jtdk4av36ig4mbuhjt3sfxi53lpkqv3t5vfhlfpltrijgza._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/240718-tx3pwszdpa/
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
Program crash
Drops file in Windows directory
AutoIT Executable
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
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/ca5e217c-fff4-4ef1-9afe-b0d7c0f419f2
Unpacked files
SH256 hash:
8d1c25c8288ed1f1f0499833d69ffeb23bdc17fc115702284a3c6899885e0c72
MD5 hash:
7ad83d39d00a3b5410bdd7e1dcaaca32
SHA1 hash:
053cce9dacecdade27d1602a04b683e30058edb9
Detections:
stealc
Create hunting rule
Link:
https://www.unpac.me/results/fe65f557-9179-42ea-ab50-053f62874b23/
SH256 hash:
f15a1ea66357015df906e30343a67b916e8eed6f542bb9f6a53acaf5ce2849b2
MD5 hash:
0a191d15dda81d6110b4fc7c6a24515a
SHA1 hash:
50a6ed243451de7764afff537a980d93db20f898
Link:
https://www.unpac.me/results/fe65f557-9179-42ea-ab50-053f62874b23/
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/f15a1ea66357015df906e30343a67b916e8eed6f542bb9f6a53acaf5ce2849b2

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:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
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)

File information

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

Web download

Stealc

Executable exe f15a1ea66357015df906e30343a67b916e8eed6f542bb9f6a53acaf5ce2849b2

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3050871/
  
URLhaus
https://urlhaus.abuse.ch/url/2909131/
  
URLhaus
https://urlhaus.abuse.ch/url/2909129/
  
URLhaus
https://urlhaus.abuse.ch/url/2908698/

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
AUTH_APIManipulates User AuthorizationADVAPI32.dll::DeleteAce
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
KERNEL32.dll::CreateThreadpoolWork
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetCommandLineA
KERNEL32.dll::GetCommandLineW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleOutputCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileW

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