MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 675456ff0fc4d1f3c27d1f0493a8f99a46397d63d49fb225e51975a288630f1a. 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: 16


Intelligence 16 IOCs YARA 26 File information Comments

SHA256 hash: 675456ff0fc4d1f3c27d1f0493a8f99a46397d63d49fb225e51975a288630f1a
SHA3-384 hash: 5722e4fa96de73a25a9e227e50228fc2ab192a7b8ae0399e364a5780927593a68d745888091edee47e4d240a8c2286c4
SHA1 hash: b2851561b3e818ce15c04131377489bd4eea4576
MD5 hash: 8f7901d0c960956a8201bc9cdfec0456
humanhash: kitten-yankee-rugby-stream
File name:675456ff0fc4d1f3c27d1f0493a8f99a46397d63d49fb225e51975a288630f1a
Download: download sample
Signature Formbook
File size:1'220'608 bytes
First seen:2025-09-05 12:20:17 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 91d07a5e22681e70764519ae943a5883 (120 x Formbook, 32 x a310Logger, 27 x AgentTesla)
ssdeep 24576:Itb20pkaCqT5TBWgNQ7aDFXhK6z5StNDqqFMRgoYVU6A:RVg5tQ7aDFXhVzstNDVFyx5
Threatray 2'728 similar samples on MalwareBazaar
TLSH T13C45D02373DEC361C7B25273BA257701BEBB782506A5F96B2FD4093DE820162521E673
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 :
1
# of downloads :
58
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
675456ff0fc4d1f3c27d1f0493a8f99a46397d63d49fb225e51975a288630f1a
Verdict:
No threats detected
Analysis date:
2025-09-05 13:07:13 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
96.5%
Tags:
autoit emotet
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Launching a process
Сreating synchronization primitives
Sending a custom TCP request
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context autoit compiled-script fingerprint keylogger microsoft_visual_cc obfuscated packed packed packer_detected
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-08-11T22:21:00Z UTC
Last seen:
2025-08-11T22:21:00Z UTC
Hits:
~1000
Gathering data
Threat name:
Win32.Backdoor.FormBook
Status:
Malicious
First seen:
2025-08-12 01:25:38 UTC
File Type:
PE (Exe)
Extracted files:
28
AV detection:
28 of 36 (77.78%)
Threat level:
  5/5
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:
675456ff0fc4d1f3c27d1f0493a8f99a46397d63d49fb225e51975a288630f1a
MD5 hash:
8f7901d0c960956a8201bc9cdfec0456
SHA1 hash:
b2851561b3e818ce15c04131377489bd4eea4576
SH256 hash:
fc4b67409ffa1051ecb459d32e0bfdbcaf7c62e498430d0d56c23a3e3c27bff0
MD5 hash:
7211f34e2a294d0171119f9787ca7d18
SHA1 hash:
90f402d0b28a6a218ae75f262bca85ccec6bc400
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_AllMal_Detector
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: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:meth_stackstrings
Author:Willi Ballenthin
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:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:YahLover
Author:Kevin Falcoz
Description:YahLover

File information


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

Comments