MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6239a0af058f1d51a3fb2b85f8bd84a9ff60e97dfae1f9f54311e009a612545f. 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: 14


Intelligence 14 IOCs YARA 4 File information Comments

SHA256 hash: 6239a0af058f1d51a3fb2b85f8bd84a9ff60e97dfae1f9f54311e009a612545f
SHA3-384 hash: 298086b2374be8bca27dc999eda179ac11346b6d830e01c4db91a2c8d73f6428054b424d65b4a29ce49155de19887e2c
SHA1 hash: 90262db570b97268cd562cce63a6032db523a0ef
MD5 hash: ebe931a98bb6edeff27bd1d7ea96026c
humanhash: montana-north-burger-alpha
File name:6239a0af058f1d51a3fb2b85f8bd84a9ff60e97dfae1f9f54311e009a612545f
Download: download sample
Signature Formbook
File size:1'099'264 bytes
First seen:2026-08-10 13:37:02 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'193 x AgentTesla, 20'344 x Formbook, 12'365 x SnakeKeylogger)
ssdeep 24576:La6UwB+UQ0N7h6EYLUsaYSBu0Ae1nKTdMAIAx3gdo8ME:La69BXwEYIov52nixy
TLSH T1663501292659CE03C4B70BF45832D2F49B786E98E912D20B9FD93EDFB9353825604793
TrID 73.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
6.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.6% (.EXE) Win64 Executable (generic) (6522/11/2)
4.5% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
dhash icon 3e73715d4d5d7d23 (62 x Formbook)
Reporter adrian__luca
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
76
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:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
formbook packed remcosrat vbnet
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-07-02T03:45:00Z UTC
Last seen:
2026-08-11T06:37:00Z UTC
Hits:
~1000
Gathering data
Threat name:
ByteCode-MSIL.Backdoor.FormBook
Status:
Malicious
First seen:
2026-07-02 11:40:37 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
27 of 36 (75.00%)
Threat level:
  5/5
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
Suspicious use of SetThreadContext
Family: Formbook
Formbook payload
Unpacked files
SH256 hash:
6239a0af058f1d51a3fb2b85f8bd84a9ff60e97dfae1f9f54311e009a612545f
MD5 hash:
ebe931a98bb6edeff27bd1d7ea96026c
SHA1 hash:
90262db570b97268cd562cce63a6032db523a0ef
SH256 hash:
013b3d82852b836c2a9cb2fa584510f2fe50ddc017d4117d1aa87ccba1f10ca3
MD5 hash:
98754dfabbd22dd9fd74b4592705fc6c
SHA1 hash:
140bdc0820a0e85c6573fbc3f7bfc43ab460e2d0
SH256 hash:
8cf6b87bf73a5036ab5c74501c3d8eed968bc8249052f52ddd56d61271db3e51
MD5 hash:
f7638ea9a24295e49aaa19e7b6e17690
SHA1 hash:
56b45abaf9ec51f58dab982d3cb8d441eaaa80d9
SH256 hash:
97c23fc04cedb4f6a978cb54fb734bb3cb6226cea7df86f12b222a9d946c86ef
MD5 hash:
2218509125c5d27dceaecada27190fce
SHA1 hash:
614d7515836b0a1eecc6ce9021f0bf03510ac55d
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:NETexecutableMicrosoft
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