MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8cf17058cab68b0e390adad41755c49eb37d8ee566c8b6d90cb32d64f16bf2dc. 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


ResolverRAT


Vendor detections: 11


Intelligence 11 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8cf17058cab68b0e390adad41755c49eb37d8ee566c8b6d90cb32d64f16bf2dc
SHA3-384 hash: 8bcff8f0dc5240c44ceabae8eda501a79eb6936c346afd8e75996e3757abd5d0d8fd3cfb0400ada71ec74c5d0046c789
SHA1 hash: c3cf4eb11f674f98383d4f4b26ce5ba048e50900
MD5 hash: fa5c8596a79249771d7f07e8e8a42da3
humanhash: paris-charlie-indigo-fanta
File name:Hzfph.exe
Download: download sample
Signature ResolverRAT
Create hunting rule
File size:3'401'216 bytes
First seen:2025-05-28 13:43:17 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 98304:MFJPEsQ2lt0Xv60XvZ725ZrjM9/tijrl1:4QOaftfurjM9Fij5
TLSH T145F53314B3EB9F27C70C593E8EA000D18BBC54564677EBC539D627A83C47B9246BE2B1
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter burger
Tags:exe ResolverRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
442
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
asyncrat
Create hunting rule
ID:
1
File name:
Hzfph.exe
Verdict:
Malicious activity
Analysis date:
2025-05-28 13:47:40 UTC
Tags:
purecrypter netreactor stealer rat asyncrat remote
Link:
https://app.any.run/tasks/4547d12f-76dd-4cee-ad64-ec18eb14a30e

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/6032/
Detection(s):
SecuriteInfo.com.Win32.MalwareX-gen.26100.4122.UNOFFICIAL
Create hunting rule

Verdict:
Clean
Score:
84.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=683714ceacf88f5815e7f946
Tags:
n/a
Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
base64 obfuscated packed packed packer_detected
Link:
https://www.filescan.io/uploads/68371309fd02ed5e058c7fe4/reports/bcabc114-4eda-4d8e-a1dc-126f4433285f/overview
Verdict:
Malicious
Labled as:
IL:Trojan.MSILZilla
Link:
https://www.hybrid-analysis.com/sample/8cf17058cab68b0e390adad41755c49eb37d8ee566c8b6d90cb32d64f16bf2dc
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/109e43c2-87c1-4cbf-a34e-ac84050a6f60
Result
Threat name:
PureCrypter, ResolverRAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1700743
Signature
.NET source code contains potential unpacker
Detected PureCrypter Trojan
Drops PE files with benign system names
Drops VBS files to the startup folder
Encrypted powershell cmdline option found
Found many strings related to Crypto-Wallets (likely being stolen)
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries memory information (via WMI often done to detect virtual machines)
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Queries sensitive physical memory information (via WMI, Win32_PhysicalMemory, often done to detect virtual machines)
Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines)
Sigma detected: Drops script at startup location
Sigma detected: Files With System Process Name In Unsuspected Locations
Sigma detected: Invoke-Obfuscation CLIP+ Launcher
Sigma detected: Invoke-Obfuscation VAR+ Launcher
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: System File Execution Location Anomaly
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal Bitcoin Wallet information
Uses ipconfig to lookup or modify the Windows network settings
Uses threadpools to delay analysis
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected ResolverRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1700743 Sample: Hzfph.exe Startdate: 28/05/2025 Architecture: WINDOWS Score: 100 65 Suricata IDS alerts for network traffic 2->65 67 Multi AV Scanner detection for submitted file 2->67 69 Yara detected ResolverRAT 2->69 71 11 other signatures 2->71 8 Hzfph.exe 6 2->8         started        12 wscript.exe 2->12         started        14 svchost.exe 1 1 2->14         started        process3 dnsIp4 55 C:\Users\user\AppData\Roaming\svchost.exe, PE32 8->55 dropped 57 C:\Users\user\...\svchost.exe:Zone.Identifier, ASCII 8->57 dropped 59 C:\Users\user\AppData\Roaming\...\svchost.vbs, ASCII 8->59 dropped 91 Found many strings related to Crypto-Wallets (likely being stolen) 8->91 93 Drops VBS files to the startup folder 8->93 95 Encrypted powershell cmdline option found 8->95 99 5 other signatures 8->99 17 InstallUtil.exe 2 8->17         started        21 powershell.exe 23 8->21         started        23 cmd.exe 1 8->23         started        25 cmd.exe 1 8->25         started        97 Windows Scripting host queries suspicious COM object (likely to drop second stage) 12->97 27 svchost.exe 12->27         started        63 127.0.0.1 unknown unknown 14->63 file5 signatures6 process7 dnsIp8 61 45.135.232.136, 49686, 49694, 56001 ASBAXETNRU Russian Federation 17->61 73 Queries sensitive physical memory information (via WMI, Win32_PhysicalMemory, often done to detect virtual machines) 17->73 75 Found many strings related to Crypto-Wallets (likely being stolen) 17->75 77 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 17->77 89 5 other signatures 17->89 79 Loading BitLocker PowerShell Module 21->79 29 WmiPrvSE.exe 21->29         started        31 conhost.exe 21->31         started        81 Uses ipconfig to lookup or modify the Windows network settings 23->81 33 conhost.exe 23->33         started        35 ipconfig.exe 1 23->35         started        37 conhost.exe 25->37         started        39 ipconfig.exe 1 25->39         started        83 Multi AV Scanner detection for dropped file 27->83 85 Writes to foreign memory regions 27->85 87 Injects a PE file into a foreign processes 27->87 41 cmd.exe 27->41         started        43 cmd.exe 27->43         started        45 InstallUtil.exe 27->45         started        signatures9 process10 process11 47 conhost.exe 41->47         started        49 ipconfig.exe 41->49         started        51 conhost.exe 43->51         started        53 ipconfig.exe 43->53         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/8cf17058cab68b0e390adad41755c49eb37d8ee566c8b6d90cb32d64f16bf2dc
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8cf17058cab68b0e390adad41755c49eb37d8ee566c8b6d90cb32d64f16bf2dc/
Threat name:
ByteCode-MSIL.Trojan.Mardom
Create hunting rule
Status:
Malicious
First seen:
2025-05-28 13:43:35 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rtyxawgkw2fq4oik3lkbovoet2zx3dxfm3elnwimwmwwj4ll6loa._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery
Link:
https://tria.ge/reports/250528-q1geaagl9t/
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Drops startup file
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/87c3064d-ad2d-4b52-9302-df09997b9d40
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.51
Link:
https://yomi.yoroi.company/submissions/8cf17058cab68b0e390adad41755c49eb37d8ee566c8b6d90cb32d64f16bf2dc

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:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
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

ResolverRAT

Executable exe 8cf17058cab68b0e390adad41755c49eb37d8ee566c8b6d90cb32d64f16bf2dc

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3554626/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/6032/

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 (GUARD_CF)high

Comments