MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a78037b357f48676c3bdef0bc88bb8ed8bbeaabb1eb7e27469ccb04f8e6cc5f7. 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: 15


Intelligence 15 IOCs YARA 7 File information Comments

SHA256 hash: a78037b357f48676c3bdef0bc88bb8ed8bbeaabb1eb7e27469ccb04f8e6cc5f7
SHA3-384 hash: 836d9212750da4b5ead7865c3afd9c9ab0e87fd50700be5faeb9a132612bb044036c2fd979e94e533d1f25beef2ba490
SHA1 hash: 6bf52aa5a8d3b84ec485151039d4c359c449c4b0
MD5 hash: 7ddc8f20f6bd942a938f15c59b8ca32c
humanhash: virginia-mirror-bulldog-mike
File name:Installer.exe
Download: download sample
Signature PureCrypter
File size:5'376'512 bytes
First seen:2025-10-13 18:08:53 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash a56f115ee5ef2625bd949acaeec66b76 (57 x Stealc, 57 x PureHVNC, 36 x CoinMiner)
ssdeep 98304:dzY3JVhKpaq73U1Fd9eeZx/+sJGGtQ96S2Ll8MMUE0:5KJV8pH73U1z9eeZzJGCSCylUE
Threatray 1 similar samples on MalwareBazaar
TLSH T18C4633E7BC1158F8ED8F0EF1BC60D1BEA390B1BC9D528434A448357A6CA473B46B59C6
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 3c3e2f034b632333 (2 x PureCrypter)
Reporter aachum
Tags:exe purecrypter PureHVNC winautordr-hopto-org


Avatar
iamaachum
https://dl7filesbase.top/downloads/apps/Ax9keR3V/AppSetup.rar

PureHVNC C2: winautordr.hopto.org

Intelligence


File Origin
# of uploads :
1
# of downloads :
103
Origin country :
ES ES
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Installer.exe
Verdict:
Malicious activity
Analysis date:
2025-10-13 18:11:45 UTC
Tags:
themida netreactor purecrypter loader auto-sch-xml

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
shell virus sage
Result
Verdict:
Malware
Maliciousness:
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
crypt obfuscated packed packed themidawinlicense xpack
Verdict:
Malicious
File Type:
exe x64
First seen:
2025-10-13T11:40:00Z UTC
Last seen:
2025-10-14T09:39:00Z UTC
Hits:
~10
Detections:
UDS:DangerousObject.Multi.Generic PDM:Trojan.Win32.Generic HEUR:Trojan.MSIL.InjectorNetT.gen
Result
Threat name:
Purecrypter
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
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
Connects to many ports of the same IP (likely port scanning)
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 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
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1794304 Sample: Installer.exe Startdate: 13/10/2025 Architecture: WINDOWS Score: 100 57 winautordr.hopto.org 2->57 71 Antivirus / Scanner detection for submitted sample 2->71 73 Multi AV Scanner detection for submitted file 2->73 75 Yara detected Purecrypter 2->75 77 12 other signatures 2->77 10 Installer.exe 4 2->10         started        14 XsdType.exe 2->14         started        16 XsdType.exe 2->16         started        18 2 other processes 2->18 signatures3 process4 dnsIp5 53 C:\Users\user\...\InstallModule4176872.exe, PE32+ 10->53 dropped 55 C:\Users\user\AppData\...\Installer.exe.log, CSV 10->55 dropped 83 Detected unpacking (changes PE section rights) 10->83 85 Suspicious powershell command line found 10->85 87 Query firmware table information (likely to detect VMs) 10->87 105 6 other signatures 10->105 21 powershell.exe 12 10->21         started        23 powershell.exe 23 10->23         started        89 Antivirus detection for dropped file 14->89 91 Multi AV Scanner detection for dropped file 14->91 93 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 14->93 95 Injects a PE file into a foreign processes 14->95 26 InstallUtil.exe 14->26         started        97 Writes to foreign memory regions 16->97 99 Modifies the context of a thread in another process (thread injection) 16->99 101 Sample uses process hollowing technique 16->101 29 InstallUtil.exe 16->29         started        59 127.0.0.1 unknown unknown 18->59 103 Loading BitLocker PowerShell Module 18->103 31 conhost.exe 18->31         started        file6 signatures7 process8 dnsIp9 33 InstallModule4176872.exe 9 21->33         started        37 conhost.exe 21->37         started        79 Loading BitLocker PowerShell Module 23->79 39 conhost.exe 23->39         started        61 winautordr.hopto.org 45.153.34.13, 49689, 49692, 58007 SKYLINKNL Germany 26->61 81 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 26->81 signatures10 process11 file12 49 C:\Users\user\AppData\Local\...\XsdType.exe, PE32+ 33->49 dropped 51 C:\...\0cf10067782f416f8a2c3a9ac6c2d540.xml, XML 33->51 dropped 63 Antivirus detection for dropped file 33->63 65 Multi AV Scanner detection for dropped file 33->65 67 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 33->67 69 Uses schtasks.exe or at.exe to add and modify task schedules 33->69 41 schtasks.exe 1 33->41         started        43 schtasks.exe 1 33->43         started        signatures13 process14 process15 45 conhost.exe 41->45         started        47 conhost.exe 43->47         started       
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 64 Exe x64
Threat name:
Win64.Trojan.Kepavll
Status:
Malicious
First seen:
2025-10-13 17:03:44 UTC
File Type:
PE+ (Exe)
Extracted files:
3
AV detection:
20 of 38 (52.63%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
defense_evasion execution persistence themida trojan
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 computer location settings
Executes dropped EXE
Themida packer
Checks BIOS information in registry
Command and Scripting Interpreter: PowerShell
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Unpacked files
SH256 hash:
a78037b357f48676c3bdef0bc88bb8ed8bbeaabb1eb7e27469ccb04f8e6cc5f7
MD5 hash:
7ddc8f20f6bd942a938f15c59b8ca32c
SHA1 hash:
6bf52aa5a8d3b84ec485151039d4c359c449c4b0
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: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)

File information


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

Web download

PureCrypter

Executable exe a78037b357f48676c3bdef0bc88bb8ed8bbeaabb1eb7e27469ccb04f8e6cc5f7

(this sample)

  
Delivery method
Distributed via web download

Comments