MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 23eb3f052fd9266253a7604d9e0dc8401f6cf2317014a5bcfbddd514d6ff75c7. 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: 14


Intelligence 14 IOCs YARA 1 File information Comments

SHA256 hash: 23eb3f052fd9266253a7604d9e0dc8401f6cf2317014a5bcfbddd514d6ff75c7
SHA3-384 hash: 3cf4d548cf44566278757feeb83705e951c1c00d9c7ad668ebc8407ab71f78cc86795409db7a987e1909fd3df52d4271
SHA1 hash: 89ca7a7bfd8b5b47ab710652fce4e95bf40c7b6d
MD5 hash: 4784c512b48b3cd8e95ecb804f05057f
humanhash: equal-seven-sodium-london
File name:SecuriteInfo.com.W32.Kryptik.LVF.gen.Eldorado.30213.18560
Download: download sample
Signature Stealc
File size:385'025 bytes
First seen:2024-03-22 07:30:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 7a4e8c242c448314b4514b016a18a213 (3 x Stealc)
ssdeep 6144:lSxLZITHaX9qC4RIqjtmReInZU7yqf2xs8hkGGF6jfGPAb:MxLZI7aopRI+tmRe2iyqex3hDGFUGPAb
TLSH T13984E00166F57C39F2F74A782978DA945E3BBCA36937429F2644123E3E712809D6132F
TrID 46.6% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
25.2% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
8.5% (.EXE) Win64 Executable (generic) (10523/12/4)
5.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.0% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon 64d29a9999a9a989 (3 x Stealc, 1 x Smoke Loader)
Reporter SecuriteInfoCom
Tags:exe Stealc

Intelligence


File Origin
# of uploads :
1
# of downloads :
315
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
23eb3f052fd9266253a7604d9e0dc8401f6cf2317014a5bcfbddd514d6ff75c7.exe
Verdict:
Malicious activity
Analysis date:
2024-03-22 07:56:47 UTC
Tags:
loader stealer stealc

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

Behaviour
Searching for the window
Sending an HTTP GET request to an infection source
Creating a file in the %temp% directory
Сreating synchronization primitives
Creating a process from a recently created file
Connecting to a non-recommended domain
Connection attempt
Creating a window
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Creating a file
DNS request
Sending an HTTP POST request
Transferring files using the Background Intelligent Transfer Service (BITS)
Sending a custom TCP request
Connection attempt to an infection source
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
fingerprint overlay packed stealc
Result
Threat name:
Mars Stealer, PureLog Stealer, Stealc, V
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Checks if the current machine is a virtual machine (disk enumeration)
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found evasive API chain (may stop execution after checking locale)
Found malware configuration
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Searches for specific processes (likely to inject)
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Yara detected Generic Downloader
Yara detected Mars stealer
Yara detected PureLog Stealer
Yara detected Stealc
Yara detected Vidar stealer
Yara detected zgRAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1413907 Sample: SecuriteInfo.com.W32.Krypti... Startdate: 22/03/2024 Architecture: WINDOWS Score: 100 37 westus2-2.in.applicationinsights.azure.com 2->37 39 westus2-2.in.ai.privatelink.monitor.azure.com 2->39 41 2 other IPs or domains 2->41 53 Snort IDS alert for network traffic 2->53 55 Multi AV Scanner detection for domain / URL 2->55 57 Found malware configuration 2->57 59 13 other signatures 2->59 8 SecuriteInfo.com.W32.Kryptik.LVF.gen.Eldorado.30213.18560.exe 1 3 2->8         started        signatures3 process4 dnsIp5 43 185.172.128.90, 49706, 80 NADYMSS-ASRU Russian Federation 8->43 45 185.172.128.126, 49709, 80 NADYMSS-ASRU Russian Federation 8->45 47 185.172.128.187, 49707, 49708, 80 NADYMSS-ASRU Russian Federation 8->47 25 C:\Users\user\AppData\Local\Temp\u3l4.1.exe, PE32 8->25 dropped 27 C:\Users\user\AppData\Local\Temp\u3l4.0.exe, PE32 8->27 dropped 67 Detected unpacking (changes PE section rights) 8->67 69 Detected unpacking (overwrites its own PE header) 8->69 13 u3l4.0.exe 26 8->13         started        18 u3l4.1.exe 8 8 8->18         started        20 WerFault.exe 19 16 8->20         started        file6 signatures7 process8 dnsIp9 49 185.172.128.209, 49710, 80 NADYMSS-ASRU Russian Federation 13->49 29 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 13->29 dropped 31 C:\Users\user\AppData\...\mozglue[1].dll, PE32 13->31 dropped 33 C:\Users\user\AppData\...\freebl3[1].dll, PE32 13->33 dropped 35 5 other files (3 malicious) 13->35 dropped 71 Antivirus detection for dropped file 13->71 73 Multi AV Scanner detection for dropped file 13->73 75 Detected unpacking (changes PE section rights) 13->75 79 5 other signatures 13->79 51 svc.iolo.com 20.157.87.45, 49711, 49727, 80 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 18->51 77 Checks if the current machine is a virtual machine (disk enumeration) 18->77 22 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 14 9 18->22         started        file10 signatures11 process12 signatures13 61 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 22->61 63 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 22->63 65 Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes) 22->65
Threat name:
Win32.Trojan.Generic
Status:
Malicious
First seen:
2024-03-22 07:31:07 UTC
File Type:
PE (Exe)
Extracted files:
34
AV detection:
11 of 24 (45.83%)
Threat level:
  2/5
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:stealc family:zgrat discovery persistence rat spyware stealer
Behaviour
Checks SCSI registry key(s)
Checks processor information in registry
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Accesses cryptocurrency files/wallets, possible credential harvesting
Adds Run key to start application
Checks installed software on the system
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Downloads MZ/PE file
Detect ZGRat V1
Stealc
ZGRat
Unpacked files
SH256 hash:
3eb47ce25815c3e32395ce8999c99775f9046c861d67b5105338bcbbc5b71b3b
MD5 hash:
071b5906189378941198f9fdcc671524
SHA1 hash:
a485c131c2d24942e80d4e09c70bfdb606ef3c1d
SH256 hash:
23eb3f052fd9266253a7604d9e0dc8401f6cf2317014a5bcfbddd514d6ff75c7
MD5 hash:
4784c512b48b3cd8e95ecb804f05057f
SHA1 hash:
89ca7a7bfd8b5b47ab710652fce4e95bf40c7b6d
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

File information


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

Web download

Stealc

Executable exe 23eb3f052fd9266253a7604d9e0dc8401f6cf2317014a5bcfbddd514d6ff75c7

(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_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::GetPrivateObjectSecurity
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::FindNextVolumeMountPointA
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetCommandLineA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::SetConsoleTitleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleOutputCP
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateHardLinkW
KERNEL32.dll::CreateFileW
KERNEL32.dll::GetFileAttributesA
WIN_HTTP_APIUses HTTP servicesWINHTTP.dll::WinHttpOpen

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