MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 585a0ca32449865172fbf22bf372bd32b7c7348b399a4b68053296a410bbf66c. 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



Formbook


Vendor detections: 18


Intelligence 18 IOCs YARA 19 File information Comments

SHA256 hash: 585a0ca32449865172fbf22bf372bd32b7c7348b399a4b68053296a410bbf66c
SHA3-384 hash: b7ae6e9dac5e33d8622097170975a007d0bf1cbadf0fe7e6d6ff99259142f2bb39c77663cbeb269f6a9b31e0b257f527
SHA1 hash: 15667fc0c632abe4f4de98386b2a5a172d6367ff
MD5 hash: 1b858cfa211e7ad9a256e90642393610
humanhash: blossom-hot-freddie-don
File name:Ust_Yazı Yakiasık Maliyet Fiyat istemi_ihtiyaclistesi_1062945_Teknik sartname.exe
Download: download sample
Signature Formbook
File size:1'039'360 bytes
First seen:2026-05-15 08:02:57 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'936 x AgentTesla, 19'833 x Formbook, 12'310 x SnakeKeylogger)
ssdeep 24576:j1ILMrHY8oW5V3nfIP32XUog4I+dUDX21BXRs/bV7fzk5sL2:hILMrY6VXfW2rI+KDXKOV7fzbL2
Threatray 139 similar samples on MalwareBazaar
TLSH T11C2512686EA8E107C59257340E71F1B4177E2EDEE420D6579FE96ECBF97AB000D18283
TrID 73.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
6.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.6% (.EXE) Win64 Executable (generic) (6522/11/2)
4.5% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
146
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
_585a0ca32449865172fbf22bf372bd32b7c7348b399a4b68053296a410bbf66c.exe
Verdict:
Malicious activity
Analysis date:
2026-05-15 08:05:37 UTC
Tags:
auto-reg

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

Behaviour
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook packed unsafe vbnet
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-05-12T08:47:00Z UTC
Last seen:
2026-05-16T19:32:00Z UTC
Hits:
~100
Detections:
Trojan.MSIL.Dnoper.sb Trojan.MSIL.Inject.sb Trojan-Spy.Win32.Noon.sb Trojan-Spy.Noon.HTTP.ServerRequest Trojan-Dropper.Win32.Injector.sb PDM:Trojan.Win32.Generic Backdoor.Win32.Androm.sb Trojan.Win32.Agent.sb HEUR:Trojan.MSIL.Injuke.gen
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
AI detected malicious Powershell script
Antivirus detection for URL or domain
Bypasses PowerShell execution policy
Creates an autostart registry key pointing to binary in C:\Windows
Creates autostart registry keys with suspicious values (likely registry only malware)
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Maps a DLL or memory area into another process
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
Queues an APC in another process (thread injection)
Sigma detected: New RUN Key Pointing to Suspicious Folder
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Script Interpreter Execution From Suspicious Folder
Sigma detected: Suspicious Script Execution From Temp Folder
Suricata IDS alerts for network traffic
Suspicious powershell command line found
Switches to a custom stack to bypass stack traces
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Unusual module load detection (module proxying)
Yara detected AntiVM3
Yara detected FormBook
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1913891 Sample: Ust_Yaz#U0131 Yakias#U0131k... Startdate: 15/05/2026 Architecture: WINDOWS Score: 100 62 www.stcq8.com 2->62 64 www.plaudshop.store 2->64 66 4 other IPs or domains 2->66 74 Suricata IDS alerts for network traffic 2->74 76 Antivirus detection for URL or domain 2->76 78 Multi AV Scanner detection for submitted file 2->78 80 14 other signatures 2->80 11 Ust_Yaz#U0131 Yakias#U0131k Maliyet Fiyat istemi_ihtiyaclistesi_1062945_Teknik sartname.exe 1 7 2->11         started        15 powershell.exe 19 2->15         started        17 powershell.exe 20 2->17         started        signatures3 process4 file5 54 C:\Users\user\AppData\Roaming\dobQvy.exe, PE32 11->54 dropped 56 C:\Users\user\...\dobQvy.exe:Zone.Identifier, ASCII 11->56 dropped 58 C:\Users\user\AppData\...\uny3asha3gn.ps1, ASCII 11->58 dropped 60 Ust_Yaz#U0131 Yaki...ik sartname.exe.log, ASCII 11->60 dropped 100 Creates autostart registry keys with suspicious values (likely registry only malware) 11->100 102 Creates an autostart registry key pointing to binary in C:\Windows 11->102 104 Adds a directory exclusion to Windows Defender 11->104 106 Injects a PE file into a foreign processes 11->106 19 Ust_Yaz#U0131 Yakias#U0131k Maliyet Fiyat istemi_ihtiyaclistesi_1062945_Teknik sartname.exe 11->19         started        22 powershell.exe 23 11->22         started        24 dobQvy.exe 3 15->24         started        26 conhost.exe 15->26         started        28 dobQvy.exe 17->28         started        30 conhost.exe 17->30         started        signatures6 process7 signatures8 82 Maps a DLL or memory area into another process 19->82 32 QqBtYDjJzn.exe 19->32 injected 84 Loading BitLocker PowerShell Module 22->84 34 conhost.exe 22->34         started        86 Multi AV Scanner detection for dropped file 24->86 88 Injects a PE file into a foreign processes 24->88 90 Unusual module load detection (module proxying) 24->90 36 dobQvy.exe 24->36         started        38 dobQvy.exe 24->38         started        40 dobQvy.exe 28->40         started        process9 process10 42 mcbuilder.exe 13 32->42         started        signatures11 92 Tries to steal Mail credentials (via file / registry access) 42->92 94 Tries to harvest and steal browser information (history, passwords, etc) 42->94 96 Modifies the context of a thread in another process (thread injection) 42->96 98 4 other signatures 42->98 45 zxFydQRk327h.exe 42->45 injected 48 chrome.exe 42->48         started        50 firefox.exe 42->50         started        process12 dnsIp13 68 www.stcq8.com 103.237.92.120, 49703, 49704, 49705 BGNR-AP2BainandCompanySG Australia 45->68 70 www.plaudshop.store 95.163.244.138, 49707, 49708, 49709 IT7NETCA Russian Federation 45->70 72 4 other IPs or domains 45->72 52 WerFault.exe 48->52         started        process14
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
.Net Executable Managed .NET PE (Portable Executable) PE File Layout SOS: 0.27 Win 32 Exe x86
Threat name:
Win32.Trojan.Ravartar
Status:
Malicious
First seen:
2026-05-12 12:11:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
29 of 36 (80.56%)
Threat level:
  5/5
Gathering data
Unpacked files
SH256 hash:
585a0ca32449865172fbf22bf372bd32b7c7348b399a4b68053296a410bbf66c
MD5 hash:
1b858cfa211e7ad9a256e90642393610
SHA1 hash:
15667fc0c632abe4f4de98386b2a5a172d6367ff
SH256 hash:
1e12cbf761f2bfcfc4da87760b0bc26496c3b567943a3300f329e846e564fc3c
MD5 hash:
aa092061eb5a8ac3f68fdffad159b2c6
SHA1 hash:
5b6b56f9a40942dae8b852bd7ee03f941b5a7742
SH256 hash:
bc182f2d934b3e8f2d8c93739d8c8383e60223af16c62359a10831f76d9d168a
MD5 hash:
e01f8eac49eefbab201ec555dc9ae891
SHA1 hash:
9539cb2e684aded0ee0d1213b1d2679220bef72d
SH256 hash:
ca3361dc717ba306b4eb73b541b756d2934ac22304b16a31404a733a0dc12feb
MD5 hash:
cb32d6234f1c8dbaac6ed5277eb81055
SHA1 hash:
cdd9b01e6b1478d9837aafef91c761f41162bb07
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:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__GlobalFlags
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:dgaagas
Author:Harshit
Description:Uses certutil.exe to download a file named test.txt
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:pe_no_import_table
Description:Detect pe file that no import table
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:TH_Win_ETW_Bypass_2025_CYFARE
Author:CYFARE
Description:Windows ETW Bypass Detection Rule - 2025
Reference:https://cyfare.net/

File information


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

Malspam

Formbook

Executable exe 585a0ca32449865172fbf22bf372bd32b7c7348b399a4b68053296a410bbf66c

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments