MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 26309ceffdfb8ef91a3d435a569841ed8532f855557aeee54620a54e2c2dceca. 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



MarsStealer


Vendor detections: 17


Intelligence 17 IOCs YARA 2 File information Comments 1

SHA256 hash: 26309ceffdfb8ef91a3d435a569841ed8532f855557aeee54620a54e2c2dceca
SHA3-384 hash: 60b6a386e4c3780a110cd79526181020124b665bec16428bc52f27863bb447e9510b68a27cbd20788ac1958e1d2b571b
SHA1 hash: 6b5339943f113562612b929604f850ccdfa2681a
MD5 hash: 27804d55f185edb91ed8ec5c15066fe5
humanhash: berlin-helium-emma-mexico
File name:27804d55f185edb91ed8ec5c15066fe5
Download: download sample
Signature MarsStealer
File size:5'804'544 bytes
First seen:2024-11-05 09:11:23 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 646167cce332c1c252cdcb1839e0cf48 (8'473 x RedLineStealer, 4'851 x Amadey, 290 x Smoke Loader)
ssdeep 98304:yfz+nFIl9jheluAfkir3x/rgoihJGK1GVkY+Qd8snFRT66C5K8MSvnGdv8WGCP:yL+nGvhe8AxrXiPyVk19b91CP
Threatray 5'114 similar samples on MalwareBazaar
TLSH T1ED46339675DCA552ED3103F70DB3C28329363E78534AB257025DE22910529E0AEBB7EF
TrID 41.1% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
22.2% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
11.8% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
7.5% (.EXE) Win64 Executable (generic) (10522/11/4)
4.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
Magika pebin
File icon (PE):PE icon
dhash icon f8f0f4c8c8c8d8f0 (8'803 x RedLineStealer, 5'078 x Amadey, 288 x Smoke Loader)
Reporter zbetcheckin
Tags:32 exe MarsStealer

Intelligence


File Origin
# of uploads :
1
# of downloads :
473
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
27804d55f185edb91ed8ec5c15066fe5
Verdict:
Malicious activity
Analysis date:
2024-11-05 09:11:35 UTC
Tags:
lumma stealer possible-phishing stealc loader themida amadey botnet

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
powershell autorun lien spam
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% subdirectories
Creating a process from a recently created file
Creating a process with a hidden window
Сreating synchronization primitives
Searching for analyzing tools
Searching for the window
Connection attempt to an infection source
Using the Windows Management Instrumentation requests
Running batch commands
Launching a process
Creating a window
Query of malicious DNS domain
Sending a TCP request to an infection source
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm CAB explorer installer lolbin microsoft_visual_cc packed packed packer_detected rundll32 runonce sfx
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, Stealc, Vidar
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Attempt to bypass Chrome Application-Bound Encryption
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Drops PE files to the document folder of the user
Drops PE files to the user root directory
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Hides threads from debuggers
LummaC encrypted strings found
Machine Learning detection for sample
Monitors registry run keys for changes
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file contains section with special chars
Query firmware table information (likely to detect VMs)
Sample uses string decryption to hide its real strings
Suricata IDS alerts 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 LummaC Stealer
Yara detected Powershell download and execute
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1549090 Sample: ByVoN4bhSU.exe Startdate: 05/11/2024 Architecture: WINDOWS Score: 100 77 thumbystriw.store 2->77 79 presticitpo.store 2->79 81 4 other IPs or domains 2->81 113 Suricata IDS alerts for network traffic 2->113 115 Found malware configuration 2->115 117 Antivirus detection for URL or domain 2->117 119 12 other signatures 2->119 10 ByVoN4bhSU.exe 1 4 2->10         started        13 msedge.exe 68 629 2->13         started        15 rundll32.exe 2->15         started        17 rundll32.exe 2->17         started        signatures3 process4 file5 67 C:\Users\user\AppData\Local\...\j1C74.exe, PE32 10->67 dropped 69 C:\Users\user\AppData\Local\...\4w017y.exe, PE32 10->69 dropped 19 j1C74.exe 1 4 10->19         started        22 msedge.exe 13->22         started        25 msedge.exe 13->25         started        27 msedge.exe 13->27         started        29 msedge.exe 13->29         started        process6 dnsIp7 61 C:\Users\user\AppData\Local\...\3S96n.exe, PE32 19->61 dropped 63 C:\Users\user\AppData\Local\...\2h6379.exe, PE32 19->63 dropped 31 2h6379.exe 38 19->31         started        36 3S96n.exe 19->36         started        83 23.218.232.182, 443, 49957 RAYA-ASEG United States 22->83 85 13.107.246.57, 443, 49955, 49956 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 22->85 87 21 other IPs or domains 22->87 65 C:\Users\user\AppData\Local\...\Cookies, SQLite 22->65 dropped file8 process9 dnsIp10 93 185.215.113.206, 49738, 49845, 49934 WHOLESALECONNECTIONSNL Portugal 31->93 95 185.215.113.16, 49712, 80 WHOLESALECONNECTIONSNL Portugal 31->95 97 2 other IPs or domains 31->97 53 C:\Users\user\DocumentsAFCFHDHIII.exe, PE32 31->53 dropped 55 C:\ProgramData\nss3.dll, PE32 31->55 dropped 57 C:\Users\user\AppData\...\vcruntime140[1].dll, PE32 31->57 dropped 59 12 other files (none is malicious) 31->59 dropped 99 Multi AV Scanner detection for dropped file 31->99 101 Detected unpacking (changes PE section rights) 31->101 103 Attempt to bypass Chrome Application-Bound Encryption 31->103 111 13 other signatures 31->111 38 msedge.exe 2 10 31->38         started        41 chrome.exe 8 31->41         started        44 cmd.exe 31->44         started        105 Tries to detect sandboxes and other dynamic analysis tools (window names) 36->105 107 Tries to evade debugger and weak emulator (self modifying code) 36->107 109 Hides threads from debuggers 36->109 file11 signatures12 process13 dnsIp14 121 Monitors registry run keys for changes 38->121 46 msedge.exe 38->46         started        89 192.168.2.5, 443, 49703, 49704 unknown unknown 41->89 91 239.255.255.250 unknown Reserved 41->91 48 chrome.exe 41->48         started        51 conhost.exe 44->51         started        signatures15 process16 dnsIp17 71 www.google.com 142.250.184.228, 443, 49785, 49791 GOOGLEUS United States 48->71 73 play.google.com 142.250.185.78, 443, 49837 GOOGLEUS United States 48->73 75 2 other IPs or domains 48->75
Threat name:
Win32.Spyware.Stealc
Status:
Malicious
First seen:
2024-11-05 09:12:05 UTC
File Type:
PE (Exe)
Extracted files:
76
AV detection:
22 of 38 (57.89%)
Threat level:
  2/5
Result
Malware family:
Score:
  10/10
Tags:
family:amadey family:lumma family:stealc botnet:9c9aa5 botnet:tale credential_access discovery evasion persistence spyware stealer trojan
Behaviour
Checks processor information in registry
Enumerates system info in registry
Kills process with taskkill
Modifies data under HKEY_USERS
Modifies registry class
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
Uses Task Scheduler COM API
Browser Information Discovery
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
Drops file in Windows directory
AutoIT Executable
Suspicious use of NtSetInformationThreadHideFromDebugger
Adds Run key to start application
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 user/profile data of web browsers
Windows security modification
Downloads MZ/PE file
Uses browser remote debugging
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Amadey
Amadey family
Lumma Stealer, LummaC
Lumma family
Modifies Windows Defender Real-time Protection settings
Stealc
Stealc family
Malware Config
C2 Extraction:
http://185.215.113.206
http://185.215.113.43
https://founpiuer.store/api
Verdict:
Malicious
Tags:
stealer redline Win.Downloader.Amadey-9986882-0
YARA:
detect_Redline_Stealer win_redline_wextract_hunting_oct_2023
Unpacked files
SH256 hash:
81a4f37c5495800b7cc46aea6535d9180dadb5c151db6f1fd1968d1cd8c1eeb4
MD5 hash:
eda18948a989176f4eebb175ce806255
SHA1 hash:
ff22a3d5f5fb705137f233c36622c79eab995897
SH256 hash:
b4ed53947a407459822c5d352bb5300a5885b9dec2b6c319c48f54b57a02e2eb
MD5 hash:
2f2a8968bcdc26dc26f35a7f0e741b94
SHA1 hash:
8ff2c4c2bac54fc34c12ee6e8b2349141ae1703c
SH256 hash:
74495c23ae1c2767bc43b39a3f4cea3a6414280dbcf9610d66b4faeaf31b6724
MD5 hash:
781c92234ad3fa7fafda08c434d9a50e
SHA1 hash:
eae985ceabb46b58a7460c29620288535e7bb5ce
SH256 hash:
e1cc50707f5fa87bd3b7b034798c5485dea0d80c5bc3f38eba86fdc7cb269a62
MD5 hash:
d9835b0369c06032272a96c2a81b62f2
SHA1 hash:
069f77b0e57fcccfd48cb2f9739b9c67d011f33c
Detections:
stealc win_stealc_w0 win_stealc_a0 detect_Mars_Stealer
SH256 hash:
426b6f5f342c01e2305ccbd0c3dbe529a9290111062f5b838c8bdb3518315494
MD5 hash:
b4d1b105b10c7d4a6c9d8ef96145ace8
SHA1 hash:
4fd0c44ecab85acd737f35db3e3b239eabe1c529
SH256 hash:
a1f3da08653d9635321e549d61f8e01a404366f381dcee6a3a0d26b609b6b593
MD5 hash:
2d970db3a97a2e77af9d9bc26f4169b4
SHA1 hash:
dd6c2cb60f371a4a7d24c390007f4b9a46ea3221
Detections:
Amadey win_amadey
SH256 hash:
26309ceffdfb8ef91a3d435a569841ed8532f855557aeee54620a54e2c2dceca
MD5 hash:
27804d55f185edb91ed8ec5c15066fe5
SHA1 hash:
6b5339943f113562612b929604f850ccdfa2681a
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:detect_Redline_Stealer
Author:Varp0s
Rule name:win_redline_wextract_hunting_oct_2023
Author:Matthew @ Embee_Research
Description:Detects wextract archives related to redline/amadey

File information


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

Web download

MarsStealer

Executable exe 26309ceffdfb8ef91a3d435a569841ed8532f855557aeee54620a54e2c2dceca

(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
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::AllocateAndInitializeSid
ADVAPI32.dll::EqualSid
ADVAPI32.dll::FreeSid
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AdjustTokenPrivileges
ADVAPI32.dll::GetTokenInformation
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessA
ADVAPI32.dll::OpenProcessToken
KERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::LoadLibraryExA
KERNEL32.dll::GetDriveTypeA
KERNEL32.dll::GetVolumeInformationA
KERNEL32.dll::GetSystemInfo
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateDirectoryA
KERNEL32.dll::CreateFileA
KERNEL32.dll::DeleteFileA
KERNEL32.dll::GetWindowsDirectoryA
KERNEL32.dll::GetSystemDirectoryA
KERNEL32.dll::GetFileAttributesA
WIN_BASE_USER_APIRetrieves Account InformationADVAPI32.dll::LookupPrivilegeValueA
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegCreateKeyExA
ADVAPI32.dll::RegOpenKeyExA
ADVAPI32.dll::RegQueryInfoKeyA
ADVAPI32.dll::RegQueryValueExA
ADVAPI32.dll::RegSetValueExA
WIN_USER_APIPerforms GUI ActionsUSER32.dll::PeekMessageA

Comments



Avatar
zbet commented on 2024-11-05 09:11:24 UTC

url : hxxp://31.41.244.10/duma/nome.exe