MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 05242a9fd5c65aabe7fc99189b0bb93e11800d4cd3e05e67b16166ecd9fcb65c. 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 14 File information Comments

SHA256 hash: 05242a9fd5c65aabe7fc99189b0bb93e11800d4cd3e05e67b16166ecd9fcb65c
SHA3-384 hash: 3aed14d21844a11414ced7ea5db166fa584b6a4404399660cf20cff47ad8bb0df9ffd68b0fe31dc71768fbed62312dde
SHA1 hash: edb57753028a40816d2d783d97696547c317f140
MD5 hash: 6141aab05450eda7b3d8e437196c18c5
humanhash: lamp-mississippi-ten-muppet
File name:6141aab05450eda7b3d8e437196c18c5.exe
Download: download sample
Signature Stealc
File size:466'945 bytes
First seen:2024-04-28 09:26:08 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f654e5c1b5e321f3cf66a20ff016ccab (12 x Stealc, 1 x UACModuleSmokeLoader)
ssdeep 6144:Hb1m+ZBBrVw6UuNeqsGqJJ2hUOWXzt1YyQut4Mq75gQ/l67I2XDihjZdz:7c+5vdsGguOt1YyN4MyN/EQZdz
TLSH T137A4AE0362E07C94E56687738E3EF6E4361DF9608E956B2F22087ABF04B51F1E253791
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 10242044c4884800 (5 x Stealc)
Reporter abuse_ch
Tags:exe Stealc


Avatar
abuse_ch
Stealc C2:
http://185.172.128.62/902e53a07830e030.php

Intelligence


File Origin
# of uploads :
1
# of downloads :
295
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
05242a9fd5c65aabe7fc99189b0bb93e11800d4cd3e05e67b16166ecd9fcb65c.exe
Verdict:
Malicious activity
Analysis date:
2024-04-28 09:40:36 UTC
Tags:
gcleaner loader stealc stealer arechclient2 backdoor

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
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
Searching for synchronization primitives
Creating a file
Launching the default Windows debugger (dwwin.exe)
Sending an HTTP POST request
Searching for the window
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
Connection attempt to an infection source
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 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
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 browser information (history, passwords, etc)
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: 1432846 Sample: svGv464iiE.exe Startdate: 28/04/2024 Architecture: WINDOWS Score: 100 67 download.iolo.net 2->67 69 www.google.com 2->69 71 8 other IPs or domains 2->71 101 Found malware configuration 2->101 103 Malicious sample detected (through community Yara rule) 2->103 105 Antivirus detection for URL or domain 2->105 107 16 other signatures 2->107 9 svGv464iiE.exe 3 11 2->9         started        14 run.exe 2->14         started        16 chrome.exe 1 2->16         started        signatures3 process4 dnsIp5 87 185.172.128.228, 49732, 80 NADYMSS-ASRU Russian Federation 9->87 89 185.172.128.59, 49733, 80 NADYMSS-ASRU Russian Federation 9->89 97 2 other IPs or domains 9->97 59 C:\Users\user\AppData\Local\Temp\u514.3.exe, PE32 9->59 dropped 61 C:\Users\user\AppData\Local\Temp\...\run.exe, PE32 9->61 dropped 63 C:\Users\user\AppData\Local\...\relay.dll, PE32 9->63 dropped 65 2 other malicious files 9->65 dropped 137 Detected unpacking (overwrites its own PE header) 9->137 18 run.exe 6 9->18         started        22 u514.0.exe 12 9->22         started        25 u514.3.exe 16 8 9->25         started        27 WerFault.exe 21 16 9->27         started        139 Maps a DLL or memory area into another process 14->139 141 Found direct / indirect Syscall (likely to bypass EDR) 14->141 29 cmd.exe 14->29         started        91 192.168.2.10 unknown unknown 16->91 93 192.168.2.4, 443, 49731, 49732 unknown unknown 16->93 95 239.255.255.250 unknown Reserved 16->95 31 chrome.exe 16->31         started        33 chrome.exe 16->33         started        file6 signatures7 process8 dnsIp9 51 C:\Users\user\AppData\Roaming\...\relay.dll, PE32 18->51 dropped 53 C:\Users\user\AppData\...\UIxMarketPlugin.dll, PE32 18->53 dropped 109 Maps a DLL or memory area into another process 18->109 111 Found direct / indirect Syscall (likely to bypass EDR) 18->111 35 cmd.exe 4 18->35         started        73 185.172.128.62, 49734, 80 NADYMSS-ASRU Russian Federation 22->73 113 Multi AV Scanner detection for dropped file 22->113 115 Detected unpacking (changes PE section rights) 22->115 117 Detected unpacking (overwrites its own PE header) 22->117 123 3 other signatures 22->123 75 svc.iolo.com 20.157.87.45 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 25->75 119 Checks if the current machine is a virtual machine (disk enumeration) 25->119 39 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 14 9 25->39         started        55 C:\Users\user\AppData\Local\Temp\lonlqkjuw, PE32 29->55 dropped 121 Writes to foreign memory regions 29->121 41 conhost.exe 29->41         started        43 MSBuild.exe 29->43         started        77 www.google.com 142.251.111.147, 443, 49739, 49740 GOOGLEUS United States 31->77 79 plus.l.google.com 142.251.163.102 GOOGLEUS United States 31->79 81 apis.google.com 31->81 83 play.google.com 142.250.31.101 GOOGLEUS United States 33->83 85 3 other IPs or domains 33->85 file10 signatures11 process12 file13 57 C:\Users\user\AppData\Local\Temp\hsljgopsw, PE32 35->57 dropped 125 Writes to foreign memory regions 35->125 127 Found hidden mapped module (file has been removed from disk) 35->127 129 Maps a DLL or memory area into another process 35->129 45 MSBuild.exe 35->45         started        49 conhost.exe 35->49         started        131 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 39->131 133 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 39->133 135 Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes) 39->135 signatures14 process15 dnsIp16 99 91.215.85.66 PINDC-ASRU Russian Federation 45->99 143 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 45->143 145 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 45->145 147 Tries to harvest and steal browser information (history, passwords, etc) 45->147 signatures17
Threat name:
Win32.Trojan.StealC
Status:
Malicious
First seen:
2024-04-28 09:27:07 UTC
File Type:
PE (Exe)
Extracted files:
62
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:sectoprat family:stealc family:zgrat discovery rat stealer trojan
Behaviour
Checks SCSI registry key(s)
Checks processor information in registry
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 installed software on the system
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Downloads MZ/PE file
Detect ZGRat V1
SectopRAT
SectopRAT payload
Stealc
ZGRat
Malware Config
C2 Extraction:
http://185.172.128.62
Unpacked files
SH256 hash:
cfc2458a54578854cae748277b7527e4a2ff4a49aa4a55b885109fc334f73865
MD5 hash:
f24e8a42d193b41ec73c76a36c30ee0d
SHA1 hash:
4ceab3b79d49350c6d9575470cd273ec1d8b26cd
SH256 hash:
05242a9fd5c65aabe7fc99189b0bb93e11800d4cd3e05e67b16166ecd9fcb65c
MD5 hash:
6141aab05450eda7b3d8e437196c18c5
SHA1 hash:
edb57753028a40816d2d783d97696547c317f140
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:Check_OutputDebugStringA_iat
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:detect_Mars_Stealer
Author:@malgamy12
Description:detect_Mars_Stealer
Rule name:INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs
Author:ditekSHen
Description:Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs.
Rule name:INDICATOR_SUSPICIOUS_Binary_Embedded_MFA_Browser_Extension_IDs
Author:ditekSHen
Description:Detect binaries embedding considerable number of MFA browser extension IDs.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:malware_Stealc_str
Author:JPCERT/CC Incident Response Group
Description:Stealc infostealer
Rule name:Windows_Trojan_Generic_2993e5a5
Author:Elastic Security
Rule name:Windows_Trojan_Stealc_b8ab9ab5
Author:Elastic Security
Rule name:win_stealc_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.stealc.
Rule name:yara_template

File information


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

Web download

Stealc

Executable exe 05242a9fd5c65aabe7fc99189b0bb93e11800d4cd3e05e67b16166ecd9fcb65c

(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::LoadLibraryExW
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::GetVolumeInformationA
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetCommandLineA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleInputA
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleAliasesA
KERNEL32.dll::GetConsoleProcessList
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateHardLinkW
KERNEL32.dll::CreateFileW
KERNEL32.dll::GetWindowsDirectoryA
KERNEL32.dll::RemoveDirectoryA
KERNEL32.dll::GetTempPathA
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameW
KERNEL32.dll::QueryDosDeviceW

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