MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 611a4e9b2138fca8a71e997efdc512eaf71d1a36ae11ecc89fcdf0f660122bae. 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 3 File information Comments

SHA256 hash: 611a4e9b2138fca8a71e997efdc512eaf71d1a36ae11ecc89fcdf0f660122bae
SHA3-384 hash: 8cb67670fd530d7dc4d6ad308f25911732af19b0eb6c6c254244e2e665bb59c0d7016504169b0d86ce63c888ea356692
SHA1 hash: d47496541cd531d8e466e13815a1560db7a6192d
MD5 hash: 8e0198a105308723617d249e27c655d6
humanhash: twenty-north-high-oklahoma
File name:611a4e9b2138fca8a71e997efdc512eaf71d1a36ae11ecc89fcdf0f660122bae
Download: download sample
Signature Formbook
File size:799'232 bytes
First seen:2025-10-09 14:23:33 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:JJ8WOS2fVlVKTDr5d22oHtUO8tGyt7Kg0OUg:J+WOSwV3KTn50dHtTMtmbOR
Threatray 1'898 similar samples on MalwareBazaar
TLSH T16505F11027A9EA02E5B65FF019B0E3704779BD9EB932D30A5FD6ACEB7831B005851793
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter adrian__luca
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
65
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
f40e2a8f-14e6-4e02-8a32-25ca5057f51b.zip
Verdict:
Malicious activity
Analysis date:
2025-09-22 21:31:22 UTC
Tags:
arch-email attachments attc-arch arch-exec formbook stealer xloader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
virus spawn msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a process with a hidden window
Launching a process
Creating a file
Adding an exclusion to Microsoft Defender
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm evasive fingerprint packed vbnet
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-09-22T07:04:00Z UTC
Last seen:
2025-10-07T07:41:00Z UTC
Hits:
~1000
Verdict:
inconclusive
YARA:
10 match(es)
Tags:
.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.48 Win 32 Exe x86
Threat name:
ByteCode-MSIL.Trojan.Taskun
Status:
Malicious
First seen:
2025-09-22 11:29:23 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
29 of 36 (80.56%)
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
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:
611a4e9b2138fca8a71e997efdc512eaf71d1a36ae11ecc89fcdf0f660122bae
MD5 hash:
8e0198a105308723617d249e27c655d6
SHA1 hash:
d47496541cd531d8e466e13815a1560db7a6192d
SH256 hash:
1041b538ccbc7d66e59247ef7551cde9b6c282843541585e9190a8e2e3943b12
MD5 hash:
e870d1e8f3791ccc141f85f40fd2972b
SHA1 hash:
150919ee289cffa6feb40ab8261f620dd7e26aac
SH256 hash:
54e08d8d1d3cd612ee8705e03d7cb730e470c896bb08e69381096c809ed3b63d
MD5 hash:
e5ecbea5c744f09932710948b6087960
SHA1 hash:
5847c0532828c7faa97dd5cb8222ad060780d148
SH256 hash:
bdf277712c56c50377c4a99c98ebd6d4325f9729d69566f0fbf3d80f0cd2d2fe
MD5 hash:
2b295549a5748236a63550874fb5afc8
SHA1 hash:
f9c655760456d79f567c8f3398703308000cb1b1
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
ace23e1ac2edbb7fbcd8a276b02c53652473faf5d8e2dea9d0ed56c4f99d0036
MD5 hash:
b5a76ecbd868f015457afa773780ca4d
SHA1 hash:
1cba31fd1d5f8d29d8fef1c60d5b5d589248e653
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:NET
Author:malware-lu
Rule name:pe_imphash
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.

Comments