MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1e9f56f3709d1ecef0ebd00e173acf65f93d84439647a193ae558728dddff327. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1e9f56f3709d1ecef0ebd00e173acf65f93d84439647a193ae558728dddff327
SHA3-384 hash: eb282e336fa68fb954046d023ccae88d6cc131167292c5825cde4250b347a0ee7f4dcdd91123effc57bb6c1ecd8c338c
SHA1 hash: b36d64d5c46982f85c890d129c439a678299d11e
MD5 hash: 577592f54bb4b19d416913b1816f7971
humanhash: bluebird-fanta-timing-mango
File name:577592f54bb4b19d416913b1816f7971.exe
Download: download sample
Signature Stealc
Create hunting rule
File size:485'377 bytes
First seen:2024-04-23 07:41:11 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash c9619f19f41ef1b7d232f47cfbcc330b (11 x Stealc, 4 x Arechclient2)
ssdeep 6144:dYGgupEJ12YQcP55RYd85n4roeyk5FNP0Pz1BHF+hzxYaE1cco:dYGgupEJ1brP5si5Iyk5wXQYnBo
TLSH T1D4A4C00372F0AC60E5622A319F2BB69C669FFD51DE11572B2E08610F66703E0F6A375D
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 03010b0311212100 (2 x Stealc, 1 x Arechclient2)
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 :
327
Origin country :
NL NL
Vendor Threat Intelligence
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
Running batch commands
Creating a process with a hidden window
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Launching a process
Creating a file
Sending an HTTP POST request
Creating a file in the %AppData% subdirectories
Launching cmd.exe command interpreter
Searching for the window
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:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/1e9f56f3709d1ecef0ebd00e173acf65f93d84439647a193ae558728dddff327
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.
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/8b0e2f31-d10a-403c-932b-d987c623e837
Result
Threat name:
Mars Stealer, PureLog Stealer, RedLine,
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1430197
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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)
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)
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1430197 Sample: zLwT7vCojz.exe Startdate: 23/04/2024 Architecture: WINDOWS Score: 100 89 download.iolo.net 2->89 91 westus2-2.in.applicationinsights.azure.com 2->91 93 9 other IPs or domains 2->93 117 Snort IDS alert for network traffic 2->117 119 Found malware configuration 2->119 121 Malicious sample detected (through community Yara rule) 2->121 123 17 other signatures 2->123 11 zLwT7vCojz.exe 1 4 2->11         started        16 UniversalInstaller.exe 2->16         started        signatures3 process4 dnsIp5 101 185.172.128.90, 49699, 80 NADYMSS-ASRU Russian Federation 11->101 103 185.172.128.228, 49700, 80 NADYMSS-ASRU Russian Federation 11->103 105 2 other IPs or domains 11->105 81 C:\Users\user\AppData\Local\Temp\u48o.1.exe, PE32 11->81 dropped 83 C:\Users\user\AppData\Local\Temp\u48o.0.exe, PE32 11->83 dropped 85 C:\Users\user\AppData\Local\...\Qg_Appv5.exe, PE32 11->85 dropped 153 Detected unpacking (changes PE section rights) 11->153 155 Detected unpacking (overwrites its own PE header) 11->155 18 u48o.0.exe 77 11->18         started        23 Qg_Appv5.exe 7 11->23         started        25 u48o.1.exe 14 8 11->25         started        27 WerFault.exe 21 16 11->27         started        157 Maps a DLL or memory area into another process 16->157 159 Found direct / indirect Syscall (likely to bypass EDR) 16->159 29 cmd.exe 16->29         started        file6 signatures7 process8 dnsIp9 95 185.172.128.76, 49703, 80 NADYMSS-ASRU Russian Federation 18->95 63 C:\Users\user\AppData\...\softokn3[1].dll, PE32 18->63 dropped 65 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 18->65 dropped 67 C:\Users\user\AppData\...\mozglue[1].dll, PE32 18->67 dropped 77 9 other files (5 malicious) 18->77 dropped 125 Multi AV Scanner detection for dropped file 18->125 127 Detected unpacking (changes PE section rights) 18->127 129 Detected unpacking (overwrites its own PE header) 18->129 139 8 other signatures 18->139 31 WerFault.exe 18->31         started        69 C:\Users\user\AppData\Local\...\relay.dll, PE32 23->69 dropped 71 C:\Users\user\...\UniversalInstaller.exe, PE32 23->71 dropped 73 C:\Users\user\AppData\...\UIxMarketPlugin.dll, PE32 23->73 dropped 131 Found direct / indirect Syscall (likely to bypass EDR) 23->131 33 UniversalInstaller.exe 6 23->33         started        97 svc.iolo.com 20.157.87.45 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 25->97 133 Checks if the current machine is a virtual machine (disk enumeration) 25->133 37 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 25->37         started        75 C:\Users\user\AppData\Local\Temp\wyftaheq, PE32 29->75 dropped 135 Writes to foreign memory regions 29->135 137 Maps a DLL or memory area into another process 29->137 39 MSBuild.exe 29->39         started        41 conhost.exe 29->41         started        file10 signatures11 process12 file13 57 C:\Users\user\AppData\Roaming\...\relay.dll, PE32 33->57 dropped 59 C:\Users\user\...\UniversalInstaller.exe, PE32 33->59 dropped 61 C:\Users\user\AppData\...\UIxMarketPlugin.dll, PE32 33->61 dropped 107 Found direct / indirect Syscall (likely to bypass EDR) 33->107 43 UniversalInstaller.exe 1 33->43         started        109 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 37->109 111 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 37->111 113 Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes) 37->113 115 Tries to harvest and steal browser information (history, passwords, etc) 39->115 signatures14 process15 signatures16 149 Maps a DLL or memory area into another process 43->149 151 Found direct / indirect Syscall (likely to bypass EDR) 43->151 46 cmd.exe 43->46         started        process17 file18 87 C:\Users\user\AppData\Local\Temp\pfswlxy, PE32 46->87 dropped 161 Writes to foreign memory regions 46->161 163 Found hidden mapped module (file has been removed from disk) 46->163 165 Maps a DLL or memory area into another process 46->165 50 MSBuild.exe 46->50         started        55 conhost.exe 46->55         started        signatures19 process20 dnsIp21 99 91.215.85.66 PINDC-ASRU Russian Federation 50->99 79 C:\Users\user\AppData\...\Secure Preferences, JSON 50->79 dropped 141 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 50->141 143 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 50->143 145 Tries to harvest and steal browser information (history, passwords, etc) 50->145 147 Tries to steal Crypto Currency Wallets 50->147 file22 signatures23
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/1e9f56f3709d1ecef0ebd00e173acf65f93d84439647a193ae558728dddff327
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1e9f56f3709d1ecef0ebd00e173acf65f93d84439647a193ae558728dddff327/
Threat name:
Win32.Trojan.Stealerc
Create hunting rule
Status:
Malicious
First seen:
2024-04-23 07:42:06 UTC
File Type:
PE (Exe)
Extracted files:
77
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=d2pvn43qtupm54hl2ahboowpmx4t3bcdszd2de5okwdsrxo76mtq._file
Verdict:
malicious
Result
Malware family:
zgrat
Create hunting rule
Score:
  10/10
Tags:
family:sectoprat family:stealc family:zgrat rat stealer trojan
Link:
https://tria.ge/reports/240423-jjnnpsee89/
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
Link:
https://www.unpac.me/results/ef3b0d1d-7c3a-47fc-9b47-4784551eaf4a/
SH256 hash:
1e9f56f3709d1ecef0ebd00e173acf65f93d84439647a193ae558728dddff327
MD5 hash:
577592f54bb4b19d416913b1816f7971
SHA1 hash:
b36d64d5c46982f85c890d129c439a678299d11e
Link:
https://www.unpac.me/results/ef3b0d1d-7c3a-47fc-9b47-4784551eaf4a/
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/1e9f56f3709d/report/overview.html
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
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:EXE_Stealer_StealC_Feb2024
Create hunting rule
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 1e9f56f3709d1ecef0ebd00e173acf65f93d84439647a193ae558728dddff327

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2802625/
  
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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