MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 eb23bd38359eab51092a1322cd491a109532bb42d90a6345ab720e5b95d6c5d8. 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: 16


Intelligence 16 IOCs YARA 1 File information Comments

SHA256 hash: eb23bd38359eab51092a1322cd491a109532bb42d90a6345ab720e5b95d6c5d8
SHA3-384 hash: eecaa11f61b80bd5295017c10046b3d6d59a22c7aa0c5e00e51d9a663c9fb04369ef0f52f4ae5338da8f69c147663e18
SHA1 hash: 9c8f6d59663625b31bbc41d5b7ecb2381474432c
MD5 hash: 867226025a5e61faeca7157a95061607
humanhash: burger-nineteen-papa-spring
File name:867226025a5e61faeca7157a95061607.exe
Download: download sample
Signature Stealc
File size:474'625 bytes
First seen:2024-03-23 07:44:25 UTC
Last seen:2024-07-25 01:28:57 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 15ac0a2914e277cf248533095319d9ac (1 x Stealc)
ssdeep 12288:xsvuprNaSHrHZVZz/uLA0tQc2VIEbWamu:NdESLzZruAUQaEyamu
TLSH T12CA4CF4372D1EC60E9624B329D2DF9A8263EFC618ED92B5B36587B0F2870191D163F61
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 0020c09030341800 (1 x Stealc)
Reporter abuse_ch
Tags:exe Stealc

Intelligence


File Origin
# of uploads :
2
# of downloads :
344
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
eb23bd38359eab51092a1322cd491a109532bb42d90a6345ab720e5b95d6c5d8.exe
Verdict:
Malicious activity
Analysis date:
2024-03-23 07:52:55 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
Sending an HTTP GET request to an infection source
Connecting to a non-recommended domain
Connection attempt
Sending an HTTP GET request
Creating a file in the %temp% directory
Сreating synchronization primitives
Creating a process from a recently created file
Creating a window
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Searching for the window
Creating a file in the %AppData% subdirectories
Running batch commands
Creating a process with a hidden window
Launching a process
Connection attempt to an infection source
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
fingerprint overlay packed stealc
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, Stealc, Vidar
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
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 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
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Mars stealer
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1414418 Sample: fjOCeXEIf4.exe Startdate: 23/03/2024 Architecture: WINDOWS Score: 100 80 Snort IDS alert for network traffic 2->80 82 Multi AV Scanner detection for domain / URL 2->82 84 Found malware configuration 2->84 86 12 other signatures 2->86 10 fjOCeXEIf4.exe 1 3 2->10         started        process3 dnsIp4 62 185.172.128.90, 49705, 80 NADYMSS-ASRU Russian Federation 10->62 64 185.172.128.144, 49708, 80 NADYMSS-ASRU Russian Federation 10->64 66 185.172.128.65, 49706, 49707, 49717 NADYMSS-ASRU Russian Federation 10->66 58 C:\Users\user\AppData\Local\Temp\u2gc.1.exe, PE32 10->58 dropped 60 C:\Users\user\AppData\Local\Temp\u2gc.0.exe, PE32 10->60 dropped 96 Detected unpacking (changes PE section rights) 10->96 98 Detected unpacking (overwrites its own PE header) 10->98 100 Found many strings related to Crypto-Wallets (likely being stolen) 10->100 15 u2gc.0.exe 70 10->15         started        20 u2gc.1.exe 2 5 10->20         started        22 WerFault.exe 16 10->22         started        file5 signatures6 process7 dnsIp8 70 185.172.128.209, 49709, 80 NADYMSS-ASRU Russian Federation 15->70 50 C:\Users\user\AppData\...\BGCBGCAFII.exe, PE32 15->50 dropped 52 C:\Users\user\AppData\...\softokn3[1].dll, PE32 15->52 dropped 54 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 15->54 dropped 56 11 other files (7 malicious) 15->56 dropped 72 Antivirus detection for dropped file 15->72 74 Multi AV Scanner detection for dropped file 15->74 76 Detected unpacking (changes PE section rights) 15->76 78 10 other signatures 15->78 24 cmd.exe 1 15->24         started        27 WerFault.exe 2 15->27         started        29 cmd.exe 20->29         started        file9 signatures10 process11 signatures12 88 Uses ping.exe to sleep 24->88 90 Uses schtasks.exe or at.exe to add and modify task schedules 24->90 92 Uses ping.exe to check the status of other devices and networks 24->92 31 BGCBGCAFII.exe 5 24->31         started        34 conhost.exe 24->34         started        36 conhost.exe 29->36         started        38 chcp.com 29->38         started        40 schtasks.exe 29->40         started        process13 signatures14 102 Antivirus detection for dropped file 31->102 104 Multi AV Scanner detection for dropped file 31->104 42 cmd.exe 1 31->42         started        process15 signatures16 94 Uses ping.exe to sleep 42->94 45 PING.EXE 1 42->45         started        48 conhost.exe 42->48         started        process17 dnsIp18 68 2.2.2.2 FranceTelecom-OrangeFR France 45->68
Threat name:
Win32.Trojan.Smokeloader
Status:
Malicious
First seen:
2024-03-23 04:59:47 UTC
File Type:
PE (Exe)
Extracted files:
38
AV detection:
30 of 37 (81.08%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:stealc discovery spyware stealer upx
Behaviour
Checks processor information in registry
Creates scheduled task(s)
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Accesses cryptocurrency files/wallets, possible credential harvesting
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
UPX packed file
Downloads MZ/PE file
Stealc
Malware Config
C2 Extraction:
http://185.172.128.209
Unpacked files
SH256 hash:
eb23bd38359eab51092a1322cd491a109532bb42d90a6345ab720e5b95d6c5d8
MD5 hash:
867226025a5e61faeca7157a95061607
SHA1 hash:
9c8f6d59663625b31bbc41d5b7ecb2381474432c
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 eb23bd38359eab51092a1322cd491a109532bb42d90a6345ab720e5b95d6c5d8

(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
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::FindFirstVolumeMountPointW
KERNEL32.dll::SetSystemPowerState
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetVolumeInformationA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::PeekConsoleInputW
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetConsoleTextAttribute
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleAliasExesLengthA
KERNEL32.dll::GetConsoleAliasW
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileW
KERNEL32.dll::GetWindowsDirectoryA
KERNEL32.dll::RemoveDirectoryA
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::QueryDosDeviceA

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