MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9350faf52b3bd8f727cfe9385d176f28e1b11d5b79cb6574898043eea6a2a86a. 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 5 File information Comments

SHA256 hash: 9350faf52b3bd8f727cfe9385d176f28e1b11d5b79cb6574898043eea6a2a86a
SHA3-384 hash: 27d1782408ac9605d519c73c62b736f5258535c1e93e558ee8aab5be8b44f84525c8e4acc43ab0bf36b19dd0967acf2a
SHA1 hash: 76e3f6bcd2bdf0048a5097a50f87e69a02c47521
MD5 hash: c4abdb03cdb7f5f76b4e83a208b222f0
humanhash: whiskey-don-quebec-illinois
File name:c4abdb03cdb7f5f76b4e83a208b222f0.exe
Download: download sample
Signature Stealc
File size:458'753 bytes
First seen:2024-04-28 23:25:24 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 53479c6e947c122565b35fbddc803e0c (4 x Stealc)
ssdeep 6144:oNF3POAieKg0hJzuXlGf1aoe9LhE5alENffh/Zoftod2TD2xmSuWVA:oNF/OAi3wUavE5alENffh/q1SYFWVA
TLSH T1ABA4AE4363E0FC54E562CB328E3EB6E4361DF9604E946B276298BA6F14B41F1F223751
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 0409032514011200 (4 x Stealc)
Reporter abuse_ch
Tags:exe Stealc


Avatar
abuse_ch
Stealc C2:
http://185.172.128.150/c698e1bc8a2f5e6d.php

Intelligence


File Origin
# of uploads :
1
# of downloads :
339
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
9350faf52b3bd8f727cfe9385d176f28e1b11d5b79cb6574898043eea6a2a86a.exe
Verdict:
Malicious activity
Analysis date:
2024-04-28 23:26:51 UTC
Tags:
gcleaner loader stealer stealc hijackloader 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
Running batch commands
Creating a process with a hidden window
Launching a process
Launching the default Windows debugger (dwwin.exe)
Searching for the window
Creating a window
Searching for synchronization primitives
Creating a file
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
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
.NET source code contains method to dynamically call methods (often used by packers)
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 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 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 known network protocols on non-standard ports
Writes to foreign memory regions
Yara detected Generic Downloader
Yara detected Mars stealer
Yara detected PureLog Stealer
Yara detected RedLine Stealer
Yara detected SectopRAT
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: 1433039 Sample: sx8RE6LbG0.exe Startdate: 29/04/2024 Architecture: WINDOWS Score: 100 81 download.iolo.net 2->81 83 westus2-2.in.applicationinsights.azure.com 2->83 85 8 other IPs or domains 2->85 107 Snort IDS alert for network traffic 2->107 109 Multi AV Scanner detection for domain / URL 2->109 111 Found malware configuration 2->111 113 21 other signatures 2->113 9 sx8RE6LbG0.exe 3 11 2->9         started        14 run.exe 2->14         started        16 chrome.exe 2->16         started        18 chrome.exe 2->18         started        signatures3 process4 dnsIp5 97 185.172.128.90, 49705, 80 NADYMSS-ASRU Russian Federation 9->97 99 185.172.128.228, 49706, 80 NADYMSS-ASRU Russian Federation 9->99 105 2 other IPs or domains 9->105 73 C:\Users\user\AppData\Local\Temp\u2ts.3.exe, PE32 9->73 dropped 75 C:\Users\user\AppData\Local\Temp\...\run.exe, PE32 9->75 dropped 77 C:\Users\user\AppData\Local\...\relay.dll, PE32 9->77 dropped 79 2 other malicious files 9->79 dropped 149 Detected unpacking (overwrites its own PE header) 9->149 20 u2ts.0.exe 77 9->20         started        25 run.exe 6 9->25         started        27 u2ts.3.exe 14 8 9->27         started        29 WerFault.exe 19 16 9->29         started        151 Maps a DLL or memory area into another process 14->151 153 Found direct / indirect Syscall (likely to bypass EDR) 14->153 31 cmd.exe 14->31         started        101 192.168.2.5, 443, 49705, 49706 unknown unknown 16->101 103 239.255.255.250 unknown Reserved 16->103 33 chrome.exe 16->33         started        35 chrome.exe 16->35         started        37 chrome.exe 18->37         started        file6 signatures7 process8 dnsIp9 89 185.172.128.150, 49708, 80 NADYMSS-ASRU Russian Federation 20->89 57 C:\Users\user\AppData\...\softokn3[1].dll, PE32 20->57 dropped 59 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 20->59 dropped 61 C:\Users\user\AppData\...\mozglue[1].dll, PE32 20->61 dropped 69 9 other files (5 malicious) 20->69 dropped 121 Detected unpacking (changes PE section rights) 20->121 123 Detected unpacking (overwrites its own PE header) 20->123 125 Tries to steal Mail credentials (via file / registry access) 20->125 135 7 other signatures 20->135 39 WerFault.exe 20->39         started        63 C:\Users\user\AppData\Roaming\...\relay.dll, PE32 25->63 dropped 65 C:\Users\user\AppData\...\UIxMarketPlugin.dll, PE32 25->65 dropped 127 Maps a DLL or memory area into another process 25->127 129 Found direct / indirect Syscall (likely to bypass EDR) 25->129 41 cmd.exe 4 25->41         started        91 svc.iolo.com 20.157.87.45 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 27->91 131 Checks if the current machine is a virtual machine (disk enumeration) 27->131 45 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 27->45         started        67 C:\Users\user\AppData\Local\Temp\jipsoiol, PE32 31->67 dropped 133 Writes to foreign memory regions 31->133 47 conhost.exe 31->47         started        49 MSBuild.exe 31->49         started        93 www.google.com 142.250.191.132 GOOGLEUS United States 33->93 95 172.217.5.4 GOOGLEUS United States 35->95 file10 signatures11 process12 file13 71 C:\Users\user\AppData\Local\Temp\dvffdl, PE32 41->71 dropped 137 Writes to foreign memory regions 41->137 139 Found hidden mapped module (file has been removed from disk) 41->139 141 Maps a DLL or memory area into another process 41->141 51 MSBuild.exe 41->51         started        55 conhost.exe 41->55         started        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 Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes) 45->147 signatures14 process15 dnsIp16 87 91.215.85.66 PINDC-ASRU Russian Federation 51->87 115 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 51->115 117 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 51->117 119 Tries to harvest and steal browser information (history, passwords, etc) 51->119 signatures17
Threat name:
Win32.Trojan.StealC
Status:
Malicious
First seen:
2024-04-28 23:26:07 UTC
File Type:
PE (Exe)
Extracted files:
62
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:sectoprat family:stealc family:zgrat discovery rat spyware 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
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
Downloads MZ/PE file
Detect ZGRat V1
SectopRAT
SectopRAT payload
Stealc
ZGRat
Malware Config
C2 Extraction:
http://185.172.128.150
Unpacked files
SH256 hash:
cfc2458a54578854cae748277b7527e4a2ff4a49aa4a55b885109fc334f73865
MD5 hash:
f24e8a42d193b41ec73c76a36c30ee0d
SHA1 hash:
4ceab3b79d49350c6d9575470cd273ec1d8b26cd
SH256 hash:
9350faf52b3bd8f727cfe9385d176f28e1b11d5b79cb6574898043eea6a2a86a
MD5 hash:
c4abdb03cdb7f5f76b4e83a208b222f0
SHA1 hash:
76e3f6bcd2bdf0048a5097a50f87e69a02c47521
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:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:Windows_Trojan_Generic_2993e5a5
Author:Elastic Security

File information


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

Web download

Stealc

Executable exe 9350faf52b3bd8f727cfe9385d176f28e1b11d5b79cb6574898043eea6a2a86a

(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::GetVolumeInformationW
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetCommandLineW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleInputA
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleAliasesA
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateHardLinkA
KERNEL32.dll::CreateFileW
KERNEL32.dll::GetWindowsDirectoryA
KERNEL32.dll::GetSystemDirectoryA
KERNEL32.dll::RemoveDirectoryA
KERNEL32.dll::GetTempPathA
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameA
KERNEL32.dll::QueryDosDeviceW

Comments