MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3f50e8ea3fdd5c1a72a3c7de22984a59f6f6e73d7d395824b2715d10a22016ff. 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 12 File information Comments

SHA256 hash: 3f50e8ea3fdd5c1a72a3c7de22984a59f6f6e73d7d395824b2715d10a22016ff
SHA3-384 hash: 2e9151e47329510202a9ff14cc2010b16a8d21505071a1fbc4aee5b6e14b8de0a0b0e2c7105ec72e9171f385e224cee3
SHA1 hash: bbc5c2cf4a00b87e86019d76c0f6b951a16bf0d4
MD5 hash: 6dd6644e70e0f943667abd58f6ba3f61
humanhash: sixteen-idaho-twelve-uncle
File name:3f50e8ea3fdd5c1a72a3c7de22984a59f6f6e73d7d395824b2715d10a22016ff
Download: download sample
Signature Formbook
File size:774'144 bytes
First seen:2025-10-10 06:49:59 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'602 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:gJx7untvfhIPQvZglzv6UWLQPy0rVLw8E11sGkaaWPkZpf1WrBVQcUzYorXhw27L:gv7wpfyIvZg524y0rVLw8E6Gx4YcfcUt
Threatray 1'961 similar samples on MalwareBazaar
TLSH T171F41258239BEC06D4921FB40970D7B407799ECCA805C2538FFDADAFB87E7607895292
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10522/11/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4504/4/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Magika pebin
Reporter adrian__luca
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
101
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
3f50e8ea3fdd5c1a72a3c7de22984a59f6f6e73d7d395824b2715d10a22016ff
Verdict:
No threats detected
Analysis date:
2025-10-10 10:47:50 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
94.1%
Tags:
shell virus micro
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a process with a hidden 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)
Adding an exclusion to Microsoft Defender
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated packed packed packer_detected vbnet
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-09-16T23:46:00Z UTC
Last seen:
2025-10-08T03:44:00Z UTC
Hits:
~1000
Verdict:
inconclusive
YARA:
10 match(es)
Tags:
.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.29 Win 32 Exe x86
Threat name:
Win32.Trojan.AgentTesla
Status:
Malicious
First seen:
2025-09-17 04:03:42 UTC
AV detection:
25 of 38 (65.79%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook discovery execution rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Formbook payload
Formbook
Formbook family
Unpacked files
SH256 hash:
3f50e8ea3fdd5c1a72a3c7de22984a59f6f6e73d7d395824b2715d10a22016ff
MD5 hash:
6dd6644e70e0f943667abd58f6ba3f61
SHA1 hash:
bbc5c2cf4a00b87e86019d76c0f6b951a16bf0d4
SH256 hash:
1041b538ccbc7d66e59247ef7551cde9b6c282843541585e9190a8e2e3943b12
MD5 hash:
e870d1e8f3791ccc141f85f40fd2972b
SHA1 hash:
150919ee289cffa6feb40ab8261f620dd7e26aac
SH256 hash:
c096ce4a6411b684a2bfe5a8a127e449fcce839523b5d19fbeaac078c286b181
MD5 hash:
e369a6e8e49150321ed2919e0c6a9782
SHA1 hash:
90d77eb9f7cf35642758d2b279bc7fdc02865924
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
ca1afbbdb25b54e0d4c07f9b84b0413f52a43b6cde98879ad8ab8f4af072cc61
MD5 hash:
08b7c02de115f6bd6949b9cf47164d4b
SHA1 hash:
9307c830cedc68bfba8f518954c07c352cc063bc
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_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:Formbook
Author:kevoreilly
Description:Formbook Payload
Rule name:meth_stackstrings
Author:Willi Ballenthin
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: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

File information


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

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