MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8364130d6b98b51842ee9213647616bf8126c8506c0721947f6f17a83f600c6d. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments

SHA256 hash: 8364130d6b98b51842ee9213647616bf8126c8506c0721947f6f17a83f600c6d
SHA3-384 hash: 806a887fb507f34ef5ffb9a97b277781a550c2fed7f578455d1131cf97c698c97b4ac3fe22d6d7e2eff5d0c29ee55f65
SHA1 hash: 27aece09bffdaf9f444f3c223a040a56c6a82c83
MD5 hash: 47f5c057c5348d675e095a71c08de9a3
humanhash: oregon-music-triple-monkey
File name:47f5c057c5348d675e095a71c08de9a3.exe
Download: download sample
Signature Stealc
File size:484'865 bytes
First seen:2024-04-23 09:56:28 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash c9619f19f41ef1b7d232f47cfbcc330b (11 x Stealc, 4 x Arechclient2)
ssdeep 6144:XAZhVSliIPyb7XdwUE8rMJAwIT78aqmFJ5t0TzPtt0ohWPE1cl4:XAZhVS8H5dm670mFJmzbyso4
TLSH T102A4CF0372F0ACE0F1660A329F29B694629FFD51DE255B2B3DC8250F76713E0A26275D
TrID 67.1% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
12.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
5.2% (.EXE) Win32 Executable (generic) (4504/4/1)
2.4% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 0705090301033100 (2 x Stealc)
Reporter abuse_ch
Tags:exe Stealc


Avatar
abuse_ch
Stealc C2:
http://185.172.128.76/3cd2b41cbde8fc9c.php

Intelligence


File Origin
# of uploads :
1
# of downloads :
393
Origin country :
NL NL
Vendor Threat Intelligence
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
DNS request
Connection attempt
Sending an HTTP GET request
Connecting to a non-recommended domain
Creating a window
Running batch commands
Creating a process with a hidden window
Searching for synchronization primitives
Creating a file
Launching the default Windows debugger (dwwin.exe)
Launching a process
Sending an HTTP POST request
Creating a file in the %AppData% subdirectories
Launching cmd.exe command interpreter
Transferring files using the Background Intelligent Transfer Service (BITS)
Sending a custom TCP request
Enabling the 'hidden' option for recently created files
Enabling the 'hidden' option for files in the %temp% directory
Moving a recently created file
Connection attempt to an infection source
Unauthorized injection to a system process
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
fingerprint overlay 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:
Mars Stealer, PureLog Stealer, RedLine,
Detection:
malicious
Classification:
troj.spyw.expl.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
Checks if the current machine is a virtual machine (disk enumeration)
Connects to many ports of the same IP (likely port scanning)
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found direct / indirect Syscall (likely to bypass EDR)
Found evasive API chain (may stop execution after checking locale)
Found hidden mapped module (file has been removed from disk)
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)
Maps a DLL or memory area into another process
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)
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)
Writes to foreign memory regions
Yara detected Generic Downloader
Yara detected Mars stealer
Yara detected PureLog Stealer
Yara detected RedLine Stealer
Yara detected Stealc
Yara detected UAC Bypass using CMSTP
Yara detected Vidar stealer
Yara detected zgRAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1430253 Sample: EvRwwa6vJW.exe Startdate: 23/04/2024 Architecture: WINDOWS Score: 100 86 download.iolo.net 2->86 88 westus2-2.in.applicationinsights.azure.com 2->88 90 8 other IPs or domains 2->90 114 Found malware configuration 2->114 116 Malicious sample detected (through community Yara rule) 2->116 118 Antivirus detection for URL or domain 2->118 120 17 other signatures 2->120 11 EvRwwa6vJW.exe 1 4 2->11         started        16 UniversalInstaller.exe 2->16         started        signatures3 process4 dnsIp5 98 185.172.128.228, 49706, 80 NADYMSS-ASRU Russian Federation 11->98 100 185.172.128.59, 49707, 80 NADYMSS-ASRU Russian Federation 11->100 102 2 other IPs or domains 11->102 78 C:\Users\user\AppData\Local\Temp\u3cc.1.exe, PE32 11->78 dropped 80 C:\Users\user\AppData\Local\Temp\u3cc.0.exe, PE32 11->80 dropped 82 C:\Users\user\AppData\Local\...\Qg_Appv5.exe, PE32 11->82 dropped 146 Detected unpacking (changes PE section rights) 11->146 148 Detected unpacking (overwrites its own PE header) 11->148 18 u3cc.0.exe 69 11->18         started        23 Qg_Appv5.exe 7 11->23         started        25 u3cc.1.exe 16 8 11->25         started        27 WerFault.exe 19 16 11->27         started        150 Maps a DLL or memory area into another process 16->150 152 Found direct / indirect Syscall (likely to bypass EDR) 16->152 29 cmd.exe 16->29         started        file6 signatures7 process8 dnsIp9 92 185.172.128.76, 49708, 80 NADYMSS-ASRU Russian Federation 18->92 62 C:\Users\user\AppData\...\softokn3[1].dll, PE32 18->62 dropped 64 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 18->64 dropped 66 C:\Users\user\AppData\...\mozglue[1].dll, PE32 18->66 dropped 76 9 other files (5 malicious) 18->76 dropped 126 Multi AV Scanner detection for dropped file 18->126 128 Detected unpacking (changes PE section rights) 18->128 130 Detected unpacking (overwrites its own PE header) 18->130 140 8 other signatures 18->140 31 WerFault.exe 18->31         started        68 C:\Users\user\AppData\Local\...\relay.dll, PE32 23->68 dropped 70 C:\Users\user\...\UniversalInstaller.exe, PE32 23->70 dropped 72 C:\Users\user\AppData\...\UIxMarketPlugin.dll, PE32 23->72 dropped 132 Found direct / indirect Syscall (likely to bypass EDR) 23->132 33 UniversalInstaller.exe 6 23->33         started        94 svc.iolo.com 20.157.87.45 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 25->94 134 Checks if the current machine is a virtual machine (disk enumeration) 25->134 37 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 25->37         started        74 C:\Users\user\AppData\Local\...\eitjljxqhgpev, PE32 29->74 dropped 136 Writes to foreign memory regions 29->136 138 Maps a DLL or memory area into another process 29->138 39 MSBuild.exe 29->39         started        41 conhost.exe 29->41         started        file10 signatures11 process12 file13 56 C:\Users\user\AppData\Roaming\...\relay.dll, PE32 33->56 dropped 58 C:\Users\user\...\UniversalInstaller.exe, PE32 33->58 dropped 60 C:\Users\user\AppData\...\UIxMarketPlugin.dll, PE32 33->60 dropped 104 Found direct / indirect Syscall (likely to bypass EDR) 33->104 43 UniversalInstaller.exe 1 33->43         started        106 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 37->106 108 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 37->108 110 Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes) 37->110 112 Tries to harvest and steal browser information (history, passwords, etc) 39->112 signatures14 process15 signatures16 142 Maps a DLL or memory area into another process 43->142 144 Found direct / indirect Syscall (likely to bypass EDR) 43->144 46 cmd.exe 43->46         started        process17 file18 84 C:\Users\user\AppData\Local\Temp\aritvyrsj, PE32 46->84 dropped 154 Writes to foreign memory regions 46->154 156 Found hidden mapped module (file has been removed from disk) 46->156 158 Maps a DLL or memory area into another process 46->158 50 MSBuild.exe 46->50         started        54 conhost.exe 46->54         started        signatures19 process20 dnsIp21 96 91.215.85.66 PINDC-ASRU Russian Federation 50->96 122 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 50->122 124 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 50->124 signatures22
Threat name:
Win32.Spyware.Stealc
Status:
Malicious
First seen:
2024-04-23 09:57:06 UTC
File Type:
PE (Exe)
Extracted files:
77
AV detection:
21 of 24 (87.50%)
Threat level:
  2/5
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:sectoprat family:stealc family:zgrat rat stealer trojan
Behaviour
Checks SCSI registry key(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Downloads MZ/PE file
Detect ZGRat V1
SectopRAT
SectopRAT payload
Stealc
ZGRat
Unpacked files
SH256 hash:
024375d3b85d8e205499bb5c1d5eb6c01d40ddb5dbdd36872c2ffef49a00e4b6
MD5 hash:
39f0b2bc2ef3b029217043cb4d0028c4
SHA1 hash:
2eb04d8f4d156c96c280f0f2e498162a7660ea54
SH256 hash:
8364130d6b98b51842ee9213647616bf8126c8506c0721947f6f17a83f600c6d
MD5 hash:
47f5c057c5348d675e095a71c08de9a3
SHA1 hash:
27aece09bffdaf9f444f3c223a040a56c6a82c83
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:EXE_Stealer_StealC_Feb2024
Author:Yashraj Solanki - Cyber Threat Intelligence Analyst at Bridewell

File information


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

Web download

Stealc

Executable exe 8364130d6b98b51842ee9213647616bf8126c8506c0721947f6f17a83f600c6d

(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::LoadLibraryA
KERNEL32.dll::LoadLibraryExA
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetVolumeInformationA
KERNEL32.dll::GetStartupInfoW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::AddConsoleAliasW
KERNEL32.dll::AddConsoleAliasA
KERNEL32.dll::WriteConsoleA
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleInputW
KERNEL32.dll::SetStdHandle
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateHardLinkA
KERNEL32.dll::CreateFileW
KERNEL32.dll::GetWindowsDirectoryW
KERNEL32.dll::RemoveDirectoryW
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameA
WIN_HTTP_APIUses HTTP servicesWINHTTP.dll::WinHttpConnect

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