MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cadd4e1310614682386e3f1851f39810c0f7bcd8b4445c21a562a376d09fabfc. 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: 17


Intelligence 17 IOCs YARA 19 File information Comments

SHA256 hash: cadd4e1310614682386e3f1851f39810c0f7bcd8b4445c21a562a376d09fabfc
SHA3-384 hash: 9cc73d60921c4a7a97e9f4cffc28d35f0ed45e072db9ddcf0942e294aa64ae004d0a07a6627da4ae01b7bb4a4524df79
SHA1 hash: 9ee8e143b1f7f48ce13cacd8c4b1e9ac597c5062
MD5 hash: f10cf6b37bc67f34f867368c039619f2
humanhash: zulu-hawaii-thirteen-artist
File name:cadd4e1310614682386e3f1851f39810c0f7bcd8b4445c21a562a376d09fabfc
Download: download sample
Signature Formbook
File size:1'228'800 bytes
First seen:2025-12-08 15:53:53 UTC
Last seen:2026-01-09 15:11:55 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 1895460fffad9475fda0c84755ecfee1 (379 x Formbook, 117 x AgentTesla, 58 x a310Logger)
ssdeep 24576:T5EmXFtKaL4/oFe5T9yyXYfP1ijXdadjOxjIBIsanKXetsS:TPVt/LZeJbInQRadeQwt
TLSH T1EF45BE0273D1D062FFAB91334B9AF6115BBC69260123E61F13981D7ABE701B1563E7A3
TrID 40.3% (.EXE) Win64 Executable (generic) (10522/11/4)
19.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
17.2% (.EXE) Win32 Executable (generic) (4504/4/1)
7.7% (.EXE) OS/2 Executable (generic) (2029/13)
7.6% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
Reporter adrian__luca
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
78
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
cadd4e1310614682386e3f1851f39810c0f7bcd8b4445c21a562a376d09fabfc
Verdict:
No threats detected
Analysis date:
2025-12-09 04:31:04 UTC
Tags:
n/a

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

Behaviour
Creating a window
Creating a file in the %temp% directory
Launching a process
Sending a custom TCP request
Сreating synchronization primitives
Unauthorized injection to a system process
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-11-26T02:43:00Z UTC
Last seen:
2025-12-08T04:51:00Z UTC
Hits:
~100
Gathering data
Verdict:
Malware
YARA:
7 match(es)
Tags:
AutoIt Decompiled Executable PDB Path PE (Portable Executable) PE File Layout Suspect Win 32 Exe x86
Threat name:
Win32.Malware.Heuristic
Status:
Malicious
First seen:
2025-11-26 06:13:17 UTC
File Type:
PE (Exe)
Extracted files:
28
AV detection:
19 of 24 (79.17%)
Threat level:
  2/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook discovery rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Formbook payload
Formbook
Formbook family
Unpacked files
SH256 hash:
cadd4e1310614682386e3f1851f39810c0f7bcd8b4445c21a562a376d09fabfc
MD5 hash:
f10cf6b37bc67f34f867368c039619f2
SHA1 hash:
9ee8e143b1f7f48ce13cacd8c4b1e9ac597c5062
SH256 hash:
4726eb363b41061c44ddd777ff944ea49cedb04ee3b2b3fdced2b021be4e8645
MD5 hash:
bbd181007ecc2fc6a78b838ca75bf903
SHA1 hash:
ef06d2f66b49ef3858c45e446cc507785911934a
SH256 hash:
c8cb5642959b46068f09e4e5842f9e95a52d966e5f5df61044ffd2b824a9f24e
MD5 hash:
3ed4fd5a807d45b0b232ebf0f5816d92
SHA1 hash:
d011af1cddac69afcf903d16b88ac278898cd7be
Detections:
win_formbook_g0
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:AutoIT_Compiled
Author:@bartblaze
Description:Identifies compiled AutoIT script (as EXE). This rule by itself does NOT necessarily mean the detected file is malicious.
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__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
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:pe_detect_tls_callbacks
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:TH_Generic_MassHunt_Win_Malware_2025_CYFARE
Author:CYFARE
Description:Generic Windows malware mass-hunt rule - 2025
Reference:https://cyfare.net/
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.

Comments