MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a3b7863069e3b8a76d536fbb45cc7f11f4bff56dda07f8ceb8f82aafae72e1f9. 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 14 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a3b7863069e3b8a76d536fbb45cc7f11f4bff56dda07f8ceb8f82aafae72e1f9
SHA3-384 hash: 227497fd5f2fdf58f5115b228a8e9ad8e607497f39e672e2abdf477b890d9ba9bc78aa2e0895fa3e48a72477ec9d019d
SHA1 hash: e778b26ee220461738075f38f04bd095e402aadb
MD5 hash: 0db39a295a63ccf9c079a690b8d0bbfb
humanhash: earth-august-east-alabama
File name:a3b7863069e3b8a76d536fbb45cc7f11f4bff56dda07f8ceb8f82aafae72e1f9
Download: download sample
Signature Formbook
Create hunting rule
File size:297'984 bytes
First seen:2026-03-31 07:53:10 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 6144:pSQx6AVj4vVNN58pk3EWlpFDtdmPMnQRuNvE/X0mhZ0bmf9:pXx6E+VNspC3X7yuFYXZ5f9
TLSH T1E75423A6185767BCC00A113C0F8FDA660D0070D7A876EFAAB69C05B36D27EFC65453B6
TrID 44.6% (.EXE) Win64 Executable (generic) (6522/11/2)
14.0% (.ICL) Windows Icons Library (generic) (2059/9)
13.8% (.EXE) OS/2 Executable (generic) (2029/13)
13.7% (.EXE) Generic Win/DOS Executable (2002/3)
13.6% (.EXE) DOS Executable (generic) (2000/1)
Magika pebin
Reporter JAMESWT_WT
Tags:exe FormBook Spam-ITA

Intelligence

File Origin
# of uploads :
1
# of downloads :
148
Origin country :
IT IT
Vendor Threat Intelligence
Gathering data
Malware family:
n/a
ID:
1
File name:
a3b7863069e3b8a76d536fbb45cc7f11f4bff56dda07f8ceb8f82aafae72e1f9
Verdict:
No threats detected
Analysis date:
2026-03-31 07:54:02 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/4ad73044-7c8d-4f3b-aebd-2fe56bd9ddc9

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/59859/
Detection(s):
SecuriteInfo.com.Win64.Malware-gen.86719429.UNOFFICIAL
Create hunting rule

Verdict:
Clean
Score:
84.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=69cb7d6c3a18a6e1ddeff736
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Сreating synchronization primitives
Sending a custom TCP request
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook microsoft_visual_cc mikey packed unsafe
Link:
https://www.filescan.io/uploads/69cb7d6a2346b9da57b2aa7c/reports/419a2d5f-5649-44c7-80aa-d74e3179a202/overview
Verdict:
Malicious
Labled as:
Mikey.Generic
Link:
https://www.hybrid-analysis.com/sample/a3b7863069e3b8a76d536fbb45cc7f11f4bff56dda07f8ceb8f82aafae72e1f9
Verdict:
Clean
File Type:
exe x64
Link:
https://opentip.kaspersky.com/a3b7863069e3b8a76d536fbb45cc7f11f4bff56dda07f8ceb8f82aafae72e1f9/results?tab=lookup
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/600a9a23-09e4-4134-9e5b-690c2b31128a
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/a3b7863069e3b8a76d536fbb45cc7f11f4bff56dda07f8ceb8f82aafae72e1f9
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 64 Exe x64
Link:
https://app.malva.re/file/0db39a295a63ccf9c079a690b8d0bbfb
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a3b7863069e3b8a76d536fbb45cc7f11f4bff56dda07f8ceb8f82aafae72e1f9/
Verdict:
Susipicious
Link:
https://tip.neiki.dev/file/a3b7863069e3b8a76d536fbb45cc7f11f4bff56dda07f8ceb8f82aafae72e1f9
Threat name:
Win64.Trojan.Ravartar
Create hunting rule
Status:
Malicious
First seen:
2026-03-30 21:57:33 UTC
File Type:
PE+ (Exe)
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uo3ymmdj4o4ko3ktn65ultd7ch2l75ln3id7rtvy7avk7lts4h4q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
error
Formbook
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/260331-jq3ffags9j/
Behaviour
Suspicious behavior: EnumeratesProcesses
Unpacked files
SH256 hash:
a3b7863069e3b8a76d536fbb45cc7f11f4bff56dda07f8ceb8f82aafae72e1f9
MD5 hash:
0db39a295a63ccf9c079a690b8d0bbfb
SHA1 hash:
e778b26ee220461738075f38f04bd095e402aadb
Link:
https://www.unpac.me/results/92ea89ec-b50f-4114-8fda-62bee0a19db5/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a3b7863069e3/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.84
Link:
https://yomi.yoroi.company/submissions/a3b7863069e3b8a76d536fbb45cc7f11f4bff56dda07f8ceb8f82aafae72e1f9

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
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__GlobalFlags
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:dgaagas
Create hunting rule
Author:Harshit
Description:Uses certutil.exe to download a file named test.txt
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:TH_Win_ETW_Bypass_2025_CYFARE
Create hunting rule
Author:CYFARE
Description:Windows ETW Bypass Detection 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/59859/

Comments