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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2a4e92f9ceeafddef77dbdba62c0a9bd2711ce7be586994ba810712067c0e4fa. 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: 12


Intelligence 12 IOCs YARA 27 File information Comments
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SHA256 hash: 2a4e92f9ceeafddef77dbdba62c0a9bd2711ce7be586994ba810712067c0e4fa
SHA3-384 hash: 68b0c520cc0808295769d7751d041758a0c2ac94c83372b29e3f542daa142ccacd17613ef9060f6c22017d35a141f314
SHA1 hash: ee30381c96e9b17cfc08e2390087944ce99d8ee9
MD5 hash: ac727d7ed3a0452251ae8b3d0f7f5d80
humanhash: arizona-eight-delta-friend
File name:probable_Formbook_4.exe
Download: download sample
Signature Formbook
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File size:282'112 bytes
First seen:2026-10-05 16:08:21 UTC
Last seen:Never
File type:Executable exe
MIME type:application/vnd.microsoft.portable-executable
ssdeep 6144:ekuonW+Ow8w7oNaHIMRr+kD0Ifxpb0AsGOnhlG1i9Y4+g265D2K:BnZOw8Z7zkD0VnhM10YB
TLSH T1565423110785D935E332EBB7B43716CF94B9B5393D1FAA3362A509DDA0C06F22276D22
Magika pebin
Reporter ShadowOpCode
Tags:exe FormBook RGBLoader

Intelligence

File Origin
# of uploads :
1
# of downloads :
198
Origin country :
IT IT
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
exe
Verdict:
No threats detected
Analysis date:
2026-10-05 16:12:01 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/de97267e-9bc8-439f-92d2-a336285f48bc

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/90757/
Detection(s):
SecuriteInfo.com.Trojan.PWS.Banker1.29984.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Gathering data
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/2a4e92f9ceeafddef77dbdba62c0a9bd2711ce7be586994ba810712067c0e4fa
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-10-05T14:16:00Z UTC
Last seen:
2026-10-06T20:04:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/2a4e92f9ceeafddef77dbdba62c0a9bd2711ce7be586994ba810712067c0e4fa/results?tab=lookup
Malware family:
Formbook
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d39abac8-0743-4be9-a816-d9d677075d0e
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/2a4e92f9ceeafddef77dbdba62c0a9bd2711ce7be586994ba810712067c0e4fa
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 32 Exe x86
Link:
https://app.malva.re/file/ac727d7ed3a0452251ae8b3d0f7f5d80
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2a4e92f9ceeafddef77dbdba62c0a9bd2711ce7be586994ba810712067c0e4fa/
Threat name:
Win32.Backdoor.FormBook
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Status:
Malicious
First seen:
2026-10-05 16:09:25 UTC
File Type:
PE (Exe)
AV detection:
33 of 38 (86.84%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fjhjf6oo5l655535xw5gfqfjxutrdtt34wdjss5icbysaz6a4t5a._file
Verdict:
malicious
Label(s):
Formbook
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Link:
https://reports.threatray.com/9dacc295-b626-4c1c-bb98-106aabf4347d
Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook discovery rat spyware stealer trojan
Link:
https://tria.ge/reports/261005-tl1fdsxbna/
Behaviour
Suspicious behavior: EnumeratesProcesses
System Location Discovery: System Language Discovery
Family: Formbook
Formbook payload
Unpacked files
SH256 hash:
2a4e92f9ceeafddef77dbdba62c0a9bd2711ce7be586994ba810712067c0e4fa
MD5 hash:
ac727d7ed3a0452251ae8b3d0f7f5d80
SHA1 hash:
ee30381c96e9b17cfc08e2390087944ce99d8ee9
Link:
https://www.unpac.me/results/394ea41b-cdc6-48e4-8665-61609c6b8900/
Malware family:
FormBook
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/2a4e92f9ceea/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.34
Link:
https://yomi.yoroi.company/submissions/2a4e92f9ceeafddef77dbdba62c0a9bd2711ce7be586994ba810712067c0e4fa

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_Script_Inject_Detector
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Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__GlobalFlags
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Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
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Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
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Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
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Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
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Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:dgaagas
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Author:Harshit
Description:Uses certutil.exe to download a file named test.txt
Rule name:golang_bin_JCorn_CSC846
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Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:MD5_Constants
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Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:pe_no_import_table
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Description:Detect pe file that no import table
Rule name:RIPEMD160_Constants
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Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
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Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
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Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:shellcode
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Author:nex
Description:Matched shellcode byte patterns
Rule name:TH_Win_ETW_Bypass_2025_CYFARE
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Author:CYFARE
Description:Windows ETW Bypass Detection Rule - 2025
Reference:https://cyfare.net/
Rule name:WIN_Malware_SalatStealer_ForgeAuto_542e717b
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Author:Marjoriefort
Description:Detects SalatStealer (pe, etat binaire)
Rule name:WIN_Malware_Sliver_ForgeAuto_2ddb463c
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Author:Marjoriefort
Description:Detects Sliver (pe, etat binaire)
Rule name:WIN_Malware_Unknown_ForgeAuto_2ffc3572
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Author:Marjoriefort
Description:Detects Unknown (pe, etat binaire)
Rule name:WIN_Malware_Unknown_ForgeAuto_5001c94c
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Author:Marjoriefort
Description:Detects Unknown (pe, etat binaire)
Rule name:WIN_Malware_Unknown_ForgeAuto_ce8c5b46
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Author:Marjoriefort
Description:Detects Unknown (pe, etat binaire)
Rule name:WIN_Malware_ValleyRAT_ForgeAuto_401c5e16
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Author:Marjoriefort
Description:Detects ValleyRAT (pe, etat binaire)

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/90757/

Comments