MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 642a589dde40dbf7ea6506b6605b0eb9fe391f571923487f8bbf0d0d69c7aa0e. 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 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 642a589dde40dbf7ea6506b6605b0eb9fe391f571923487f8bbf0d0d69c7aa0e
SHA3-384 hash: 80cabc7827be436006ac007a9465f816bdcc1f8726a5b2128ecbd8ae4c71493907c8b5d33048000c160f1dedb7b4863d
SHA1 hash: 56635117729b8a6835d20ddac3de3b9f461af055
MD5 hash: f92afea31cd74bd65e773e968f9ff75a
humanhash: echo-princess-mango-emma
File name:642a589dde40dbf7ea6506b6605b0eb9fe391f571923487f8bbf0d0d69c7aa0e
Download: download sample
Signature Formbook
Create hunting rule
File size:1'254'912 bytes
First seen:2025-11-06 10:38:46 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 1895460fffad9475fda0c84755ecfee1 (309 x Formbook, 52 x AgentTesla, 36 x SnakeKeylogger)
ssdeep 24576:G5EmXFtKaL4/oFe5T9yyXYfP1ijXdaEu3N9Z5pYbL6KHH:GPVt/LZeJbInQRaEu3N5uL3
Threatray 2'095 similar samples on MalwareBazaar
TLSH T16245BE027381D062FFAB91734F5AF6115BBC79260123A61F13A81DB9BE701B1563E7A3
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 :
61
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
642a589dde40dbf7ea6506b6605b0eb9fe391f571923487f8bbf0d0d69c7aa0e
Verdict:
Malicious activity
Analysis date:
2025-11-06 13:38:14 UTC
Tags:
autoit
Link:
https://app.any.run/tasks/58769bb1-f9b8-4bb4-82cb-9ad1c80bb826

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/35820/
Detection(s):
SecuriteInfo.com.Win32.Trojan.Agent.35E5V6.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=690c7ae6ea0f3e915c238246
Tags:
autoit emotet
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Launching a process
Сreating synchronization primitives
Unauthorized injection to a system process
Gathering data
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/642a589dde40dbf7ea6506b6605b0eb9fe391f571923487f8bbf0d0d69c7aa0e
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-10-15T00:29:00Z UTC
Last seen:
2025-11-08T00:11:00Z UTC
Hits:
~1000
Link:
https://opentip.kaspersky.com/642a589dde40dbf7ea6506b6605b0eb9fe391f571923487f8bbf0d0d69c7aa0e/results?tab=lookup
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/23ffa548-3358-40ea-b798-d11aa7d87aa8
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/642a589dde40dbf7ea6506b6605b0eb9fe391f571923487f8bbf0d0d69c7aa0e
Verdict:
Malware
YARA:
7 match(es)
Tags:
AutoIt Decompiled Executable PDB Path PE (Portable Executable) PE File Layout Suspect Win 32 Exe x86
Link:
https://app.malva.re/file/f92afea31cd74bd65e773e968f9ff75a
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/642a589dde40dbf7ea6506b6605b0eb9fe391f571923487f8bbf0d0d69c7aa0e/
Threat name:
Win32.Trojan.Autoitinject
Create hunting rule
Status:
Malicious
First seen:
2025-10-15 03:52:16 UTC
File Type:
PE (Exe)
Extracted files:
24
AV detection:
28 of 37 (75.68%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=mqvfrho6idn7p2tfa23gawyoxh7dsh2xderuq74lx4gq22ohviha._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0002a2f7d00d1d6c5289a0c6915c6a761145586b191c03d6ae9320ac487c9ed3
Formbook
032da2dc5566a0ea6335acb9a28dcd6d6083778614a8a7a2e0066a5baeeea2b5
Formbook
0956439e50255d7fe6fa8847acfc48af64aa63e6bb33ba74ce97d56e8fe56093
Formbook
15923a9fc38c609142edebb4ff10369d18d53b82986c41b7d98c5037c191db06
Formbook
5e890ef07e56cfc57a9468b04703a19455b181addb219eb5ed6d2e064b9ca8e9
Formbook
9b2eb9d576fe50d926b7e9cf66c96214efbb6d2049701a405fa955ba71542849
Formbook
a684465a73338c71ef0b4094a7ea9cef4c7b75a9577286cbb9614bd6702a6917
Formbook
e07306dec4ab4785340a35fce37bd7e076847ab56ec93af88bb262535f142864
Formbook
+ 2'085 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook discovery rat spyware stealer trojan
Link:
https://tria.ge/reports/251106-mp375avqan/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Formbook payload
Formbook
Formbook family
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/7af6c102-f9fd-4179-ad07-efea50a8a4f6
Unpacked files
SH256 hash:
642a589dde40dbf7ea6506b6605b0eb9fe391f571923487f8bbf0d0d69c7aa0e
MD5 hash:
f92afea31cd74bd65e773e968f9ff75a
SHA1 hash:
56635117729b8a6835d20ddac3de3b9f461af055
Link:
https://www.unpac.me/results/0432ad2b-7ef3-47bd-81b0-04d1123e5e2b/
SH256 hash:
05a88aac5cc146590581afc663e46f9920d6e40ce97e1d499da8c2900d36df65
MD5 hash:
d5c13600abc97d9052369c26094b810c
SHA1 hash:
2355fb56e9f3262a6d0d66c3635c6a92dcc6bb19
Detections:
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/0432ad2b-7ef3-47bd-81b0-04d1123e5e2b/
Parent samples :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 hash:
93435d035bba77a872a986a4a4c3b30a3b6e5ba10e90f254e5ac49ddc105c181
MD5 hash:
83e597674e1b09dfbb63c19f41af7a80
SHA1 hash:
05716631003b83d4069773ee78d56da5d609b8a4
Link:
https://www.unpac.me/results/0432ad2b-7ef3-47bd-81b0-04d1123e5e2b/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/642a589dde40/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/642a589dde40dbf7ea6506b6605b0eb9fe391f571923487f8bbf0d0d69c7aa0e

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
Create hunting rule
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
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:TH_Generic_MassHunt_Win_Malware_2025_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Windows malware mass-hunt 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.

Cape
Cape
https://www.capesandbox.com/analysis/35820/

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