MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f5f977688fe5ab1c569958d0ccb27d8c35ffde7d03b6b175bf47990eae18c747. 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


PureCrypter


Vendor detections: 12


Intelligence 12 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f5f977688fe5ab1c569958d0ccb27d8c35ffde7d03b6b175bf47990eae18c747
SHA3-384 hash: 31dce7f13198a17dc86c7dd6b437545297f5e71b8f2bcd94faabe26a2035e85d2c11dce8b9cbd47c38aeea1b033293aa
SHA1 hash: a3ab5ba81ade86ea752fcdf62c779d75eb526c49
MD5 hash: c5dbeb0f4df4ce0b86c5c8b4cf23509c
humanhash: solar-six-blue-happy
File name:Installer_v461_x64.exe
Download: download sample
Signature PureCrypter
Create hunting rule
File size:5'509'120 bytes
First seen:2025-10-27 14:51:11 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash a56f115ee5ef2625bd949acaeec66b76 (53 x Stealc, 48 x PureHVNC, 33 x CoinMiner)
ssdeep 98304:OQARwBxyRVKyzoV91tfpGDH5zP5a0M2SeKdAuI2QUbYD7ytSCda5byw:4RwPmzamz7zdKdAwanyEF5
TLSH T1744633D6DB0EB0DBC61ECEB1375ED7741392BB02A552A8883C08332AD6F595975F7280
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
Reporter aachum
Tags:exe purecrypter PureHVNC winautordr-hopto-org


Avatar
iamaachum
https://dl7filesbase.top/0nj84gjs2ma0gjemfwdc4i-installer00731578ghsvbetischgh3dlpabwj3vn5rusjcb50swcg00

PureHVNC C2: winautordr.hopto.org

Intelligence

File Origin
# of uploads :
1
# of downloads :
97
Origin country :
ES ES
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Installer_v461_x64.exe
Verdict:
Malicious activity
Analysis date:
2025-10-27 14:51:52 UTC
Tags:
themida netreactor purecrypter loader auto-sch-xml purehvnc
Link:
https://app.any.run/tasks/daae4ce2-1212-41d5-997b-5d395fd5e9f6

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/34296/
Verdict:
Malicious
Score:
94.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68ff87075c3edf10df52d4c7
Tags:
obfuscate xtreme shell
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for analyzing tools
Searching for the window
Creating a file in the %temp% directory
Launching a process
Creating a window
Creating a process from a recently created file
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
Creating a process with a hidden window
Forced system process termination
Creating a file
DNS request
Connection attempt
Sending a custom TCP request
Unauthorized injection to a recently created process
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/f5f977688fe5ab1c569958d0ccb27d8c35ffde7d03b6b175bf47990eae18c747
Verdict:
Malicious
File Type:
exe x64
First seen:
2025-10-27T12:10:00Z UTC
Last seen:
2025-10-28T06:05:00Z UTC
Hits:
~10
Detections:
HEUR:Trojan.MSIL.InjectorNetT.gen UDS:DangerousObject.Multi.Generic PDM:Trojan.Win32.Generic
Link:
https://opentip.kaspersky.com/f5f977688fe5ab1c569958d0ccb27d8c35ffde7d03b6b175bf47990eae18c747/results?tab=lookup
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/2d69e590-e695-4c81-892c-17d8f805750c
Result
Threat name:
Purecrypter
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1802480
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.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
Detected unpacking (changes PE section rights)
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 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
Sigma detected: Script Interpreter Execution From Suspicious Folder
Sigma detected: Suspicious Script Execution From Temp Folder
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 AntiVM3
Yara detected Purecrypter
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1802480 Sample: Installer_v461_x64.exe Startdate: 27/10/2025 Architecture: WINDOWS Score: 100 56 winautordr.hopto.org 2->56 66 Antivirus / Scanner detection for submitted sample 2->66 68 Multi AV Scanner detection for submitted file 2->68 70 Yara detected Purecrypter 2->70 72 11 other signatures 2->72 10 Installer_v461_x64.exe 2 2->10         started        14 WrapNonExceptionThrows.exe 2->14         started        16 WrapNonExceptionThrows.exe 2->16         started        18 powershell.exe 23 2->18         started        signatures3 process4 file5 52 C:\Users\user\...\InstallModule561973.exe, PE32+ 10->52 dropped 54 C:\Users\user\...\Installer_v461_x64.exe.log, CSV 10->54 dropped 78 Detected unpacking (changes PE section rights) 10->78 80 Suspicious powershell command line found 10->80 82 Query firmware table information (likely to detect VMs) 10->82 98 6 other signatures 10->98 20 powershell.exe 12 10->20         started        22 powershell.exe 23 10->22         started        84 Antivirus detection for dropped file 14->84 86 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 14->86 88 Writes to foreign memory regions 14->88 25 MSBuild.exe 14->25         started        90 Modifies the context of a thread in another process (thread injection) 16->90 92 Sample uses process hollowing technique 16->92 94 Injects a PE file into a foreign processes 16->94 28 MSBuild.exe 16->28         started        96 Loading BitLocker PowerShell Module 18->96 30 conhost.exe 18->30         started        signatures6 process7 dnsIp8 32 InstallModule561973.exe 9 20->32         started        36 conhost.exe 20->36         started        74 Loading BitLocker PowerShell Module 22->74 38 conhost.exe 22->38         started        58 winautordr.hopto.org 45.153.34.13, 49690, 49691, 58008 SKYLINKNL Germany 25->58 76 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 25->76 signatures9 process10 file11 48 C:\Users\user\...\WrapNonExceptionThrows.exe, PE32+ 32->48 dropped 50 C:\...\f6431ec0728e460b8a6ea6979e01c539.xml, XML 32->50 dropped 60 Antivirus detection for dropped file 32->60 62 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 32->62 64 Uses schtasks.exe or at.exe to add and modify task schedules 32->64 40 schtasks.exe 1 32->40         started        42 schtasks.exe 1 32->42         started        signatures12 process13 process14 44 conhost.exe 40->44         started        46 conhost.exe 42->46         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/f5f977688fe5ab1c569958d0ccb27d8c35ffde7d03b6b175bf47990eae18c747
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 64 Exe x64
Link:
https://app.malva.re/file/c5dbeb0f4df4ce0b86c5c8b4cf23509c
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f5f977688fe5ab1c569958d0ccb27d8c35ffde7d03b6b175bf47990eae18c747/
Verdict:
Malicious
Threat:
Win64.Backdoor.Heuristic
Link:
https://tip.neiki.dev/file/f5f977688fe5ab1c569958d0ccb27d8c35ffde7d03b6b175bf47990eae18c747
Threat name:
Win64.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2025-10-27 14:51:54 UTC
File Type:
PE+ (Exe)
Extracted files:
3
AV detection:
18 of 38 (47.37%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6x4xo2ep4wvryvuzldimzmt5rq277xt5ao3lc5n7i6mq5lqyy5dq._file
Result
Malware family:
n/a
Score:
  9/10
Tags:
defense_evasion execution persistence themida trojan
Link:
https://tria.ge/reports/251027-r8lveagp31/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Checks whether UAC is enabled
Checks BIOS information in registry
Checks computer location settings
Executes dropped EXE
Themida packer
Command and Scripting Interpreter: PowerShell
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/fb0a3d59-0a12-4bf3-9ac3-a50da1f1071f
Unpacked files
SH256 hash:
f5f977688fe5ab1c569958d0ccb27d8c35ffde7d03b6b175bf47990eae18c747
MD5 hash:
c5dbeb0f4df4ce0b86c5c8b4cf23509c
SHA1 hash:
a3ab5ba81ade86ea752fcdf62c779d75eb526c49
Link:
https://www.unpac.me/results/ee36d437-6835-4f7d-a750-a55458b105c6/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.24
Link:
https://yomi.yoroi.company/submissions/f5f977688fe5ab1c569958d0ccb27d8c35ffde7d03b6b175bf47990eae18c747

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:HeavensGate
Create hunting rule
Author:kevoreilly
Description:Heaven's Gate: Switch from 32-bit to 64-mode
Rule name:INDICATOR_EXE_Packed_Themida
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with Themida
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:Sus_CMD_Powershell_Usage
Create hunting rule
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)

File information

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

Web download

PureCrypter

Executable exe f5f977688fe5ab1c569958d0ccb27d8c35ffde7d03b6b175bf47990eae18c747

(this sample)

  
Link
https://tria.ge/251027-rxrxaaxrdv/behavioral2
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/34296/

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