MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9a252805edeadc2ed5123bc9e58494c7eb5acbb662a713693eda1c77394b7616. 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 1 File information Comments

SHA256 hash: 9a252805edeadc2ed5123bc9e58494c7eb5acbb662a713693eda1c77394b7616
SHA3-384 hash: e32a9c3bdc31ea7a19e8590914dd349adfa8e10e094a519c78bd18743e25aa8012d61e12c89fb0e900c0c70b900307f8
SHA1 hash: 795147a12c0250c6831be20b0fad25a8cad38e44
MD5 hash: eab93fe8df74bb69289c41292dca982f
humanhash: island-april-kitten-nitrogen
File name:eab93fe8df74bb69289c41292dca982f.exe
Download: download sample
Signature Stealc
File size:467'968 bytes
First seen:2024-03-20 14:30:27 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash c7dc01e7bf458b5be41a3a73770771d1 (4 x Stealc, 1 x Socks5Systemz, 1 x Smoke Loader)
ssdeep 6144:AOYSVtoLfjUS1itCwyePxH/gA/w48EDUInOaWgmSdKQuLH8P:fYSVWfjUXAwX5H7HRzOaxaL2
TLSH T124A4BE03B9D1EC65E16247314F2D89E9372EFCA64E61875733883E0F68711A0EA67B71
TrID 34.5% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
25.8% (.EXE) InstallShield setup (43053/19/16)
18.7% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
6.3% (.EXE) Win64 Executable (generic) (10523/12/4)
3.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
File icon (PE):PE icon
dhash icon 000444a034cc8380 (1 x Stealc)
Reporter abuse_ch
Tags:exe Stealc


Avatar
abuse_ch
Stealc C2:
http://185.172.128.209/3cd2b41cbde8fc9c.php

Intelligence


File Origin
# of uploads :
1
# of downloads :
511
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
9a252805edeadc2ed5123bc9e58494c7eb5acbb662a713693eda1c77394b7616.exe
Verdict:
Malicious activity
Analysis date:
2024-03-20 14:31:11 UTC
Tags:
stealer stealc loader

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
Enabling the 'hidden' option for files in the %temp% directory
Moving a recently created file
Launching a process
Moving a file to the Program Files subdirectory
Replacing files
Connection attempt to an infection source
Verdict:
No Threat
Threat level:
  10/10
Confidence:
100%
Tags:
fingerprint
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:
Mars Stealer, PureLog Stealer, Stealc, V
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
Antivirus / Scanner detection for submitted sample
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)
Creates autostart registry keys with suspicious names
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
Found many strings related to Crypto-Wallets (likely being stolen)
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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)
Sigma detected: New RUN Key Pointing to Suspicious Folder
Snort IDS alert for network traffic
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)
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
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: 1412499 Sample: iawlpa7VC0.exe Startdate: 20/03/2024 Architecture: WINDOWS Score: 100 72 westus2-2.in.applicationinsights.azure.com 2->72 74 westus2-2.in.ai.privatelink.monitor.azure.com 2->74 76 2 other IPs or domains 2->76 100 Snort IDS alert for network traffic 2->100 102 Found malware configuration 2->102 104 Malicious sample detected (through community Yara rule) 2->104 106 15 other signatures 2->106 10 iawlpa7VC0.exe 1 3 2->10         started        15 FCAAAAFBKF.exe 2->15         started        17 FCAAAAFBKF.exe 2->17         started        signatures3 process4 dnsIp5 86 185.172.128.90, 49699, 80 NADYMSS-ASRU Russian Federation 10->86 88 185.172.128.126, 49702, 80 NADYMSS-ASRU Russian Federation 10->88 90 185.172.128.187, 49700, 49701, 80 NADYMSS-ASRU Russian Federation 10->90 68 C:\Users\user\AppData\Local\Temp\u4a0.1.exe, PE32 10->68 dropped 70 C:\Users\user\AppData\Local\Temp\u4a0.0.exe, PE32 10->70 dropped 126 Detected unpacking (changes PE section rights) 10->126 128 Detected unpacking (overwrites its own PE header) 10->128 19 u4a0.0.exe 79 10->19         started        24 u4a0.1.exe 8 8 10->24         started        26 WerFault.exe 19 16 10->26         started        130 Creates autostart registry keys with suspicious names 15->130 28 cmd.exe 15->28         started        30 cmd.exe 17->30         started        file6 signatures7 process8 dnsIp9 78 185.172.128.209, 49703, 80 NADYMSS-ASRU Russian Federation 19->78 80 185.172.128.65, 49725, 80 NADYMSS-ASRU Russian Federation 19->80 60 C:\Users\user\AppData\...\FCAAAAFBKF.exe, PE32 19->60 dropped 62 C:\Users\user\AppData\...\softokn3[1].dll, PE32 19->62 dropped 64 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 19->64 dropped 66 11 other files (7 malicious) 19->66 dropped 110 Antivirus detection for dropped file 19->110 112 Multi AV Scanner detection for dropped file 19->112 114 Detected unpacking (changes PE section rights) 19->114 122 10 other signatures 19->122 32 cmd.exe 19->32         started        35 WerFault.exe 19->35         started        82 svc.iolo.com 20.157.87.45, 49704, 49721, 80 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 24->82 116 Uses ping.exe to sleep 24->116 118 Uses ping.exe to check the status of other devices and networks 24->118 120 Checks if the current machine is a virtual machine (disk enumeration) 24->120 37 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 14 9 24->37         started        39 PING.EXE 24->39         started        42 conhost.exe 24->42         started        44 conhost.exe 28->44         started        46 PING.EXE 28->46         started        48 conhost.exe 30->48         started        50 PING.EXE 30->50         started        file10 signatures11 process12 dnsIp13 92 Uses ping.exe to sleep 32->92 52 FCAAAAFBKF.exe 32->52         started        55 conhost.exe 32->55         started        94 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 37->94 96 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 37->96 98 Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes) 37->98 84 2.2.2.2 FranceTelecom-OrangeFR France 39->84 signatures14 process15 signatures16 108 Multi AV Scanner detection for dropped file 52->108 57 cmd.exe 52->57         started        process17 signatures18 124 Uses ping.exe to sleep 57->124
Threat name:
Win32.Spyware.Stealc
Status:
Malicious
First seen:
2024-03-20 14:31:05 UTC
File Type:
PE (Exe)
Extracted files:
33
AV detection:
22 of 24 (91.67%)
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:
9a252805edeadc2ed5123bc9e58494c7eb5acbb662a713693eda1c77394b7616
MD5 hash:
eab93fe8df74bb69289c41292dca982f
SHA1 hash:
795147a12c0250c6831be20b0fad25a8cad38e44
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 9a252805edeadc2ed5123bc9e58494c7eb5acbb662a713693eda1c77394b7616

(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
AUTH_APIManipulates User AuthorizationUSER32.dll::SetUserObjectSecurity
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::FindNextVolumeMountPointW
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetVolumeInformationA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::FreeConsole
KERNEL32.dll::PeekConsoleInputA
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::ReadConsoleOutputCharacterW
KERNEL32.dll::SetStdHandle
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateFileW
KERNEL32.dll::CreateFileA
KERNEL32.dll::GetWindowsDirectoryW
KERNEL32.dll::RemoveDirectoryW
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::QueryDosDeviceA

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