MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f78e8b2f05c248d3e808b5fa373cb31f9e1334a0ece019e1e051b0d10e2ab1c6. 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



PureLogsStealer


Vendor detections: 11


Intelligence 11 IOCs YARA 9 File information Comments

SHA256 hash: f78e8b2f05c248d3e808b5fa373cb31f9e1334a0ece019e1e051b0d10e2ab1c6
SHA3-384 hash: 56b0af7ad3a8b7677134d48fc9f793e1b806bf7cc2cb152610fee561bc4fa7ffe01295f513253648381e18f44619d92b
SHA1 hash: 843dbaa18f952108d0c31cf8ddcb48922a8ebf3d
MD5 hash: 85277035b30b0ea1f038c8733c0eb17c
humanhash: maine-arizona-victor-march
File name:Installer_v173_x64_.exe
Download: download sample
Signature PureLogsStealer
File size:10'371'584 bytes
First seen:2025-08-04 19:21:49 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash a56f115ee5ef2625bd949acaeec66b76 (53 x Stealc, 47 x PureHVNC, 28 x RedLineStealer)
ssdeep 196608:LZZd8KrcOQLCb7Cxtw6vj966WLE80QVriLgy+I2HXbLdEieks9RiS+8:bdOTub6RvjZWIoWcy0XbLdEB/O
TLSH T146A633E43450B396D5A4C4F00C4A6B913694D8AEDCA6B8D93DDDEF035BB3A4563B308B
TrID 38.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
15.6% (.ICL) Windows Icons Library (generic) (2059/9)
15.4% (.EXE) OS/2 Executable (generic) (2029/13)
15.2% (.EXE) Generic Win/DOS Executable (2002/3)
15.2% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
dhash icon 686c74f4c298e4e0 (1 x PureLogsStealer)
Reporter aachum
Tags:exe purecrypter PureHVNC PureLogs PureLogsStealer RAT WinSilc wndlogon-hopto-org


Avatar
iamaachum
https://dl7filesbase.top/downloads/apps/Ax8zT/AppSetup.rar

WinSilc C2: wndlogon-hopto-org

Intelligence


File Origin
# of uploads :
1
# of downloads :
40
Origin country :
ES ES
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Installer_v173_x64_.exe
Verdict:
Malicious activity
Analysis date:
2025-08-04 19:24:48 UTC
Tags:
netreactor themida auto-sch

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
autorun shell virus sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for analyzing tools
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a file
Launching a process
Deleting a recently created file
Creating a process from a recently created file
Using the Windows Management Instrumentation requests
DNS request
Connecting to a non-recommended domain
Connection attempt
Sending a custom TCP request
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated obfuscated packed packed packer_detected themidawinlicense
Result
Threat name:
PureLog Stealer, Xmrig
Detection:
malicious
Classification:
troj.evad.mine
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Bypasses PowerShell execution policy
Connects to many ports of the same IP (likely port scanning)
Detected unpacking (changes PE section rights)
Encrypted powershell cmdline option found
Found direct / indirect Syscall (likely to bypass EDR)
Hides threads from debuggers
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file contains section with special chars
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Query firmware table information (likely to detect VMs)
Sample uses process hollowing technique
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Suspicious powershell command line found
Tries to detect process monitoring tools (Task Manager, Process Explorer etc.)
Tries to detect sandboxes / dynamic malware analysis system (registry check)
Tries to detect sandboxes and other dynamic analysis tools (window names)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected Costura Assembly Loader
Yara detected GenericBackdoor
Yara detected PureLog Stealer
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1750081 Sample: Installer_v173_x64_.exe Startdate: 04/08/2025 Architecture: WINDOWS Score: 100 49 wndlogon.hopto.org 2->49 51 raw.githubusercontent.com 2->51 53 github.com 2->53 71 Antivirus / Scanner detection for submitted sample 2->71 73 Multi AV Scanner detection for submitted file 2->73 75 Yara detected GenericBackdoor 2->75 77 11 other signatures 2->77 8 winunt.exe 14 2 2->8         started        12 Installer_v173_x64_.exe 5 2->12         started        15 powershell.exe 2->15         started        17 svchost.exe 2->17         started        signatures3 process4 dnsIp5 55 wndlogon.hopto.org 185.196.10.200, 39007, 39008, 39009 SIMPLECARRIERCH Switzerland 8->55 57 github.com 140.82.113.4, 443, 49693, 49701 GITHUBUS United States 8->57 59 raw.githubusercontent.com 185.199.111.133, 443, 49694, 49703 FASTLYUS Netherlands 8->59 89 Antivirus detection for dropped file 8->89 91 Multi AV Scanner detection for dropped file 8->91 93 Detected unpacking (changes PE section rights) 8->93 103 8 other signatures 8->103 19 InstallUtil.exe 8->19         started        45 C:\Users\user\AppData\Local\...\winunt.exe, PE32+ 12->45 dropped 47 C:\Users\user\...\Installer_v173_x64_.exe.log, CSV 12->47 dropped 95 Suspicious powershell command line found 12->95 97 Query firmware table information (likely to detect VMs) 12->97 99 Uses schtasks.exe or at.exe to add and modify task schedules 12->99 105 2 other signatures 12->105 22 powershell.exe 12 12->22         started        24 powershell.exe 23 12->24         started        26 schtasks.exe 1 12->26         started        30 3 other processes 12->30 101 Loading BitLocker PowerShell Module 15->101 28 conhost.exe 15->28         started        61 127.0.0.1 unknown unknown 17->61 file6 signatures7 process8 signatures9 79 Query firmware table information (likely to detect VMs) 19->79 81 Tries to detect sandboxes and other dynamic analysis tools (window names) 19->81 83 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 19->83 87 4 other signatures 19->87 32 winunt.exe 3 22->32         started        35 conhost.exe 22->35         started        85 Loading BitLocker PowerShell Module 24->85 37 conhost.exe 24->37         started        39 conhost.exe 26->39         started        41 conhost.exe 30->41         started        43 conhost.exe 30->43         started        process10 signatures11 63 Query firmware table information (likely to detect VMs) 32->63 65 Hides threads from debuggers 32->65 67 Found direct / indirect Syscall (likely to bypass EDR) 32->67 69 2 other signatures 32->69
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable PE (Portable Executable) Win 64 Exe x64
Threat name:
Win64.Trojan.Generic
Status:
Suspicious
First seen:
2025-08-04 19:22:30 UTC
File Type:
PE+ (Exe)
Extracted files:
3
AV detection:
16 of 37 (43.24%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
defense_evasion execution persistence themida trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Scheduled Task/Job: Scheduled Task
Suspicious use of NtSetInformationThreadHideFromDebugger
Checks whether UAC is enabled
Checks BIOS information in registry
Executes dropped EXE
Themida packer
Command and Scripting Interpreter: PowerShell
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Unpacked files
SH256 hash:
f78e8b2f05c248d3e808b5fa373cb31f9e1334a0ece019e1e051b0d10e2ab1c6
MD5 hash:
85277035b30b0ea1f038c8733c0eb17c
SHA1 hash:
843dbaa18f952108d0c31cf8ddcb48922a8ebf3d
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:botnet_plaintext_c2
Author:cip
Description:Attempts to match at least some of the strings used in some botnet variants which use plaintext communication protocols.
Rule name:HeavensGate
Author:kevoreilly
Description:Heaven's Gate: Switch from 32-bit to 64-mode
Rule name:INDICATOR_EXE_Packed_Themida
Author:ditekSHen
Description:Detects executables packed with Themida
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
Author:malware-lu
Rule name:pe_no_import_table
Description:Detect pe file that no import table
Rule name:Sus_CMD_Powershell_Usage
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information


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

Web download

PureLogsStealer

Executable exe f78e8b2f05c248d3e808b5fa373cb31f9e1334a0ece019e1e051b0d10e2ab1c6

(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 (NX_COMPAT)high
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
CHECK_TRUST_INFORequires Elevated Execution (level:requireAdministrator)high

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