MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c3f3d7cea638c32610d85c9c1dfdcfe3cba3dad9e932257113f07ffcac34b280. 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



LummaStealer


Vendor detections: 18


Intelligence 18 IOCs YARA 4 File information Comments 1

SHA256 hash: c3f3d7cea638c32610d85c9c1dfdcfe3cba3dad9e932257113f07ffcac34b280
SHA3-384 hash: f55b6c1792993a906a3452303b92ddc4345799f98ea34621232e89531c8d63b87ff3628c49f3c208383b6b31567a7191
SHA1 hash: 14d2b54dcdbad6b6d26bff0a693d180e2e1ba1a1
MD5 hash: f3f095e318139392f5486417727d1bee
humanhash: gee-shade-two-skylark
File name:f3f095e318139392f5486417727d1bee
Download: download sample
Signature LummaStealer
File size:266'752 bytes
First seen:2024-05-26 17:31:03 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 11167f714f9ffdb67294d15d97541d5b (2 x Smoke Loader, 1 x LummaStealer)
ssdeep 3072:I5Zx8p6cN80CZ5+bsOyz27Vazgp2U9UUnrDyMuQKBenolE5zdxLb6xTx7:kx8U0800Vz27VWgp2UlrD3vnom7LWT
TLSH T15944AE42F6E3E4B4E5634632583089E026BAFC52DB658A7F37983B4F3D342815A53772
TrID 37.3% (.EXE) Win64 Executable (generic) (10523/12/4)
17.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
15.9% (.EXE) Win32 Executable (generic) (4504/4/1)
7.3% (.ICL) Windows Icons Library (generic) (2059/9)
7.2% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 0018d8a2c2ca82a4 (1 x LummaStealer)
Reporter zbetcheckin
Tags:32 exe LummaStealer

Intelligence


File Origin
# of uploads :
1
# of downloads :
446
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
c3f3d7cea638c32610d85c9c1dfdcfe3cba3dad9e932257113f07ffcac34b280.exe
Verdict:
Malicious activity
Analysis date:
2024-05-26 17:33:49 UTC
Tags:
loader smokeloader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
DNS request
Connection attempt
Sending an HTTP POST request
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
fingerprint packed
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.
Result
Threat name:
LummaC, CryptOne, LummaC Stealer, SmokeL
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
AI detected suspicious sample
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Benign windows process drops PE files
C2 URLs / IPs found in malware configuration
Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation))
Checks if the current machine is a virtual machine (disk enumeration)
Contains functionality to inject code into remote processes
Creates a thread in another existing process (thread injection)
Deletes itself after installation
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
LummaC encrypted strings found
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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
Opens network shares
Query firmware table information (likely to detect VMs)
Sample uses process hollowing technique
Sample uses string decryption to hide its real strings
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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 harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Crypto Currency Wallets
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected CryptOne packer
Yara detected LummaC Stealer
Yara detected Powershell download and execute
Yara detected SmokeLoader
Yara detected Vidar
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1447692 Sample: QyvAWkfdLM.exe Startdate: 26/05/2024 Architecture: WINDOWS Score: 100 65 whispedwoodmoodsksl.shop 2->65 67 steamcommunity.com 2->67 69 dbfhns.in 2->69 87 Snort IDS alert for network traffic 2->87 89 Multi AV Scanner detection for domain / URL 2->89 91 Found malware configuration 2->91 93 16 other signatures 2->93 11 QyvAWkfdLM.exe 2->11         started        14 rvrjbah 2->14         started        signatures3 process4 signatures5 111 Detected unpacking (changes PE section rights) 11->111 113 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 11->113 115 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 11->115 123 3 other signatures 11->123 16 explorer.exe 91 7 11->16 injected 117 Antivirus detection for dropped file 14->117 119 Multi AV Scanner detection for dropped file 14->119 121 Machine Learning detection for dropped file 14->121 process6 dnsIp7 59 187.143.58.5, 51573, 51574, 51575 UninetSAdeCVMX Mexico 16->59 61 23.145.40.124, 49725, 80 SURFAIRWIRELESS-IN-01US Reserved 16->61 63 3 other IPs or domains 16->63 41 C:\Users\user\AppData\Roaming\rvrjbah, PE32 16->41 dropped 43 C:\Users\user\AppData\Local\Temp\FDE8.exe, PE32 16->43 dropped 45 C:\Users\user\AppData\Local\Temp\25F6.exe, PE32 16->45 dropped 47 C:\Users\user\...\rvrjbah:Zone.Identifier, ASCII 16->47 dropped 79 System process connects to network (likely due to code injection or exploit) 16->79 81 Benign windows process drops PE files 16->81 83 Deletes itself after installation 16->83 85 Hides that the sample has been downloaded from the Internet (zone.identifier) 16->85 21 FDE8.exe 1 16->21         started        25 25F6.exe 16->25         started        file8 signatures9 process10 dnsIp11 49 C:\Users\user\AppData\Local\...\katAA77.tmp, PE32 21->49 dropped 95 Machine Learning detection for dropped file 21->95 97 Contains functionality to inject code into remote processes 21->97 99 Writes to foreign memory regions 21->99 107 3 other signatures 21->107 28 katAA77.tmp 1 46 21->28         started        71 whispedwoodmoodsksl.shop 188.114.97.3, 443, 49718, 49720 CLOUDFLARENETUS European Union 25->71 73 185.235.137.54, 51526, 80 AFRARASAIR Iran (ISLAMIC Republic Of) 25->73 101 Antivirus detection for dropped file 25->101 103 Multi AV Scanner detection for dropped file 25->103 105 Detected unpacking (changes PE section rights) 25->105 109 5 other signatures 25->109 33 WerFault.exe 21 25->33         started        file12 signatures13 process14 dnsIp15 75 steamcommunity.com 23.197.127.21, 443, 51532 AKAMAI-ASN1EU United States 28->75 77 65.109.242.59, 443, 51534, 51535 ALABANZA-BALTUS United States 28->77 51 C:\Users\user\AppData\...\softokn3[1].dll, PE32 28->51 dropped 53 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 28->53 dropped 55 C:\Users\user\AppData\...\mozglue[1].dll, PE32 28->55 dropped 57 10 other files (6 malicious) 28->57 dropped 125 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 28->125 127 Found many strings related to Crypto-Wallets (likely being stolen) 28->127 129 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 28->129 131 5 other signatures 28->131 35 cmd.exe 28->35         started        file16 signatures17 process18 process19 37 conhost.exe 35->37         started        39 timeout.exe 35->39         started       
Threat name:
Win32.Spyware.Lummastealer
Status:
Malicious
First seen:
2024-05-26 17:32:05 UTC
File Type:
PE (Exe)
Extracted files:
44
AV detection:
17 of 24 (70.83%)
Threat level:
  2/5
Verdict:
malicious
Result
Malware family:
smokeloader
Score:
  10/10
Tags:
family:smokeloader botnet:pub3 backdoor trojan
Behaviour
Checks SCSI registry key(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Program crash
Deletes itself
SmokeLoader
Malware Config
C2 Extraction:
http://dbfhns.in/tmp/index.php
http://guteyr.cc/tmp/index.php
http://greendag.ru/tmp/index.php
http://lobulraualov.in.net/tmp/index.php
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
c3f3d7cea638c32610d85c9c1dfdcfe3cba3dad9e932257113f07ffcac34b280
MD5 hash:
f3f095e318139392f5486417727d1bee
SHA1 hash:
14d2b54dcdbad6b6d26bff0a693d180e2e1ba1a1
Malware family:
SmokeLoader
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.

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:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:pe_no_import_table
Description:Detect pe file that no import table
Rule name:Windows_Trojan_Generic_2993e5a5
Author:Elastic Security

File information


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

Web download

LummaStealer

Executable exe c3f3d7cea638c32610d85c9c1dfdcfe3cba3dad9e932257113f07ffcac34b280

(this sample)

  
Delivery method
Distributed via web download

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_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::FindFirstVolumeA
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetVolumeInformationW
KERNEL32.dll::GetStartupInfoW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::AddConsoleAliasW
KERNEL32.dll::AllocConsole
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::SetConsoleCursorInfo
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateFileW
KERNEL32.dll::GetSystemDirectoryA
KERNEL32.dll::GetTempPathA
KERNEL32.dll::SetVolumeMountPointA

Comments



Avatar
zbet commented on 2024-05-26 17:31:04 UTC

url : hxxps://www.vga.areekat-aldeera.com/images/3.exe