MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4a9b422f7fe36d929a32cc0143b1279b47c66aafecde77c3d31292060aededb8. 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: 13


Intelligence 13 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4a9b422f7fe36d929a32cc0143b1279b47c66aafecde77c3d31292060aededb8
SHA3-384 hash: 7d1197e278e88b17efa19b1a80cb33c9ffd3cc714f3462c6066f7cdd2215f6e59c863e99df6673c69dd7dc912d981632
SHA1 hash: 1de62f42530ebe54d994511093c9c6ef5e6c0ea8
MD5 hash: c0fd581c02da7a0cbbc28cd134179a30
humanhash: three-comet-seven-uniform
File name:Installer_v197_x64.exe
Download: download sample
Signature PureCrypter
Create hunting rule
File size:5'531'136 bytes
First seen:2025-10-01 15:58:25 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 98304:4JcWnYOg+zOu5MpOwMafmLhL0xn4krHqeNFl+gWyPamvpopgunWV8nGnLns4i:rWFfXwjm1OLBNjWyCmOOV9Ln2
Threatray 1 similar samples on MalwareBazaar
TLSH T1D0462327501EC7D5FC2CC9B17C4945A99918A63FBAE002CCFD89AE9901731DFE2461AF
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/downloads/apps/D4j8utV/AppSetup.zip

PureHVNC C2: winautordr.hopto.org

Intelligence

File Origin
# of uploads :
1
# of downloads :
78
Origin country :
ES ES
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Installer_v197_x64.exe
Verdict:
Malicious activity
Analysis date:
2025-10-01 15:59:55 UTC
Tags:
netreactor themida purecrypter loader auto-sch-xml purehvnc
Link:
https://app.any.run/tasks/78c64ff8-a861-47c3-bc73-193df3e25f14

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/29798/
Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68dd4fe440b7da0b4eb94ea3
Tags:
xtreme shell virus
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for analyzing tools
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a file in the %temp% directory
Launching a process
Creating a process from a recently created file
Using the Windows Management Instrumentation requests
Creating a process with a hidden window
Forced system process termination
Creating a file
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:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
crypt obfuscated packed packed themidawinlicense xpack
Link:
https://www.filescan.io/uploads/68dd4fee74e5a289899c9030/reports/90313523-9466-42cb-bff0-204f98a8177f/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/4a9b422f7fe36d929a32cc0143b1279b47c66aafecde77c3d31292060aededb8
Verdict:
Malicious
File Type:
exe x64
First seen:
2025-10-01T12:10:00Z UTC
Last seen:
2025-10-02T05:10:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/4a9b422f7fe36d929a32cc0143b1279b47c66aafecde77c3d31292060aededb8/results?tab=lookup
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/f7c493a7-f65f-4cf1-a1f7-104cf614f628
Result
Threat name:
Purecrypter
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1787521
Signature
.NET source code contains method to dynamically call methods (often used by packers)
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 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: 1787521 Sample: Installer_v197_x64.exe Startdate: 01/10/2025 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_v197_x64.exe 4 2->10         started        14 IsCompleted.exe 2->14         started        16 IsCompleted.exe 2->16         started        18 powershell.exe 23 2->18         started        signatures3 process4 file5 52 C:\Users\user\...\InstallModule236149.exe, PE32+ 10->52 dropped 54 C:\Users\user\...\Installer_v197_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 InstallModule236149.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, 49720, 49721, 58007 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\AppData\...\IsCompleted.exe, PE32+ 32->48 dropped 50 C:\...\78d1c474c1d649e786598733d32ad040.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/4a9b422f7fe36d929a32cc0143b1279b47c66aafecde77c3d31292060aededb8
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4a9b422f7fe36d929a32cc0143b1279b47c66aafecde77c3d31292060aededb8/
Threat name:
Win64.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2025-10-01 15:59:32 UTC
File Type:
PE+ (Exe)
Extracted files:
3
AV detection:
23 of 38 (60.53%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jknuel374nwzfgrszqauhmjhtnd4m2vp5tphpq6tckjamcxn5w4a._file
Verdict:
malicious
Label(s):
unc_loader_078
Create hunting rule
Similar samples:
4a9b422f7fe36d929a32cc0143b1279b47c66aafecde77c3d31292060aededb8
PureCrypter
error
PureCrypter
Result
Malware family:
n/a
Score:
  9/10
Tags:
defense_evasion execution persistence themida trojan
Link:
https://tria.ge/reports/251001-te919asps5/
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/45bbba73-9863-4418-82cf-fd5df72db590
Unpacked files
SH256 hash:
4a9b422f7fe36d929a32cc0143b1279b47c66aafecde77c3d31292060aededb8
MD5 hash:
c0fd581c02da7a0cbbc28cd134179a30
SHA1 hash:
1de62f42530ebe54d994511093c9c6ef5e6c0ea8
Link:
https://www.unpac.me/results/7bb2e897-1215-4174-90ec-49045c3b1673/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.44
Link:
https://yomi.yoroi.company/submissions/4a9b422f7fe36d929a32cc0143b1279b47c66aafecde77c3d31292060aededb8

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:CP_AllMal_Detector
Create hunting rule
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
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: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 4a9b422f7fe36d929a32cc0143b1279b47c66aafecde77c3d31292060aededb8

(this sample)

  
Link
https://tria.ge/251001-s7wtnaaj8y/behavioral2
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/29798/

Comments