MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 18db6ccd20d52de376dd642bb304674230ecbcdf3c911e4e0f2ca67f27c40fed. 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: 12


Intelligence 12 IOCs YARA 25 File information Comments

SHA256 hash: 18db6ccd20d52de376dd642bb304674230ecbcdf3c911e4e0f2ca67f27c40fed
SHA3-384 hash: aa36cf9d096136f9f185cd5b1409a789569e0f78d783f20bef57a48b341110fc9a769404d377bb9f081e024855531cb8
SHA1 hash: 49c6603a3c420123aa8231719441c53de3d366ce
MD5 hash: 9559e837bd0ca6ef8277ed2c2c4cbdf7
humanhash: happy-lamp-fanta-xray
File name:18db6ccd20d52de376dd642bb304674230ecbcdf3c911e4e0f2ca67f27c40fed
Download: download sample
Signature Formbook
File size:1'135'616 bytes
First seen:2026-08-10 14:04:57 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'191 x AgentTesla, 20'338 x Formbook, 12'364 x SnakeKeylogger)
ssdeep 24576:aY9q3cyWcWaXto7ub2hHHNZhaQreRrfuHSnpt8rAYDBuK5OXZiyylhG2:T03TrWaXG7Y2tHRa2eRrfZnpt8rACB+4
TLSH T1C83512002A8ED801E0E7577594B0E73913F7BE5DA521C30B8FEE6EDB3A26B015D147A6
TrID 70.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.2% (.EXE) Win64 Executable (generic) (6522/11/2)
4.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
dhash icon 00c4d48cdcccd464 (3 x Formbook, 2 x AgentTesla, 2 x AsyncRAT)
Reporter adrian__luca
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
56
Origin country :
HU HU
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
bitmap formbook packed packed stego
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-07-07T23:00:00Z UTC
Last seen:
2026-08-09T07:01:00Z UTC
Hits:
~1000
Gathering data
Threat name:
ByteCode-MSIL.Spyware.Noon
Status:
Malicious
First seen:
2026-07-08 01:44:40 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
21 of 30 (70.00%)
Threat level:
  2/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook discovery rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
SmartAssembly .NET packer
Suspicious use of SetThreadContext
Family: Formbook
Formbook payload
Unpacked files
SH256 hash:
18db6ccd20d52de376dd642bb304674230ecbcdf3c911e4e0f2ca67f27c40fed
MD5 hash:
9559e837bd0ca6ef8277ed2c2c4cbdf7
SHA1 hash:
49c6603a3c420123aa8231719441c53de3d366ce
SH256 hash:
b857821ade3427a9fd9d83f42150344bc905bda8328fa66ba49d499af64f23ee
MD5 hash:
7842d12d9e37c75076133be5b9904cb2
SHA1 hash:
425f1edac0b53d62a20749a6a69e5a3b260c595f
SH256 hash:
fd395a34af2c5333e7d146d3af72eb89da071ce0bf229080c4d86793ecf09f49
MD5 hash:
cbc4495f8d1fb48b78b1140c21f5e0db
SHA1 hash:
ab376a5f92921414c3c9fdde54b9bc6c70883b7e
SH256 hash:
7d43cd701d54aab94f8d9805a0372999a9ba993ecf87d63a94bf8f9291f52859
MD5 hash:
ad9b2e6391e6ddb7e260334836ea064f
SHA1 hash:
8c96b96ac3d1bac7e75d1f60372b0d2550bddbfb
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.

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