MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b666e753ae589f870b17e1821935803778e8a627d2192e5eed613bd0cb827849. 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: 8


Intelligence 8 IOCs YARA 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b666e753ae589f870b17e1821935803778e8a627d2192e5eed613bd0cb827849
SHA3-384 hash: 6b7266cf61349fa1f9dbcfff5722db202b1aca9b258bd6c641657441203d4bcf645966a3c4654e2c8dbcd9fe4b5d7151
SHA1 hash: 30e41e2a47d9c8a4f719b47d6074309c2425a0c9
MD5 hash: 7f7e1b93dec5548346a244b062ea19df
humanhash: mike-two-oxygen-carbon
File name:Nomina octubre 2024___XLS.tgz
Download: download sample
Signature Formbook
Create hunting rule
File size:1'048'094 bytes
First seen:2024-09-24 07:31:09 UTC
Last seen:Never
File type: zip
MIME type:application/zip
ssdeep 24576:TzaqtRE5KxftVUv5zmMH6C0e/0R/iBgSHrvJs7kr:fDWKg9mMH6FIgSLBwq
TLSH T133253344F37A270DDDF74D07B6388A63C1F9E92B2D42E56AE5BD3C4A61DF19080298C6
Magika zip
Reporter cocaman
Tags:FormBook tgz zip


Avatar
cocaman
Malicious email (T1566.001)
From: "Julio Vazquez <info@dovugoimportar.com>" (likely spoofed)
Received: "from mail.dovugoimportar.com (mail.dovugoimportar.com [5.182.87.219]) "
Date: "Tue, 24 Sep 2024 04:12:40 +0200"
Subject: "Un anuncio muy importante"
Attachment: "Nomina octubre 2024___XLS.tgz"

Intelligence

File Origin
# of uploads :
1
# of downloads :
623
Origin country :
CH CH
File Archive Information

This file archive contains 1 file(s), sorted by their relevance:

File name:Nomina octubre 2024___XLS.exe
File size:1'358'407 bytes
SHA256 hash: 00d2184db9877d4b69ddd040ffe54b19c6442e621c148fa4d5acc2470a2680f4
MD5 hash: 0761966881a1672f67765748af560233
MIME type:application/x-dosexec
Signature Formbook
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Foxhole.Zip_badexts82.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.W32.AutoIt.AQ.gen.Eldorado.13033.11768.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
93.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66f2690c5346c7b922ad9169
Tags:
Encryption Swotter Emotet Script Autoit
Result
Verdict:
Suspicious
File Type:
PE File
Link:
https://app.docguard.net/b666e753ae589f870b17e1821935803778e8a627d2192e5eed613bd0cb827849/results/dashboard
Behaviour
BlacklistAPI detected
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/b666e753ae589f870b17e1821935803778e8a627d2192e5eed613bd0cb827849
Result
Verdict:
MALICIOUS
Link:
https://labs.inquest.net/dfi/sha256/b666e753ae589f870b17e1821935803778e8a627d2192e5eed613bd0cb827849
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Score:
100%
Verdict:
Malware
File Type:
ARCHIVE
Link:
https://malprob.io/report/b666e753ae589f870b17e1821935803778e8a627d2192e5eed613bd0cb827849
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b666e753ae589f870b17e1821935803778e8a627d2192e5eed613bd0cb827849/
Threat name:
Win32.Trojan.SuspPEInArcEmail
Create hunting rule
Status:
Malicious
First seen:
2024-09-24 01:39:21 UTC
File Type:
Binary (Archive)
Extracted files:
29
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wztoou5olcpyocyx4gbbsnmag54orjrh2ims4xxnme55bs4cpbeq._file
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery
Link:
https://tria.ge/reports/240924-jwkgtawgpj/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/b666e753ae589f870b17e1821935803778e8a627d2192e5eed613bd0cb827849

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
Create hunting rule
Author:Jean-Philippe Teissier / @Jipe_
Description:AutoIT packer
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:AutoIT_Script
Create hunting rule
Author:@bartblaze
Description:Identifies AutoIT script. This rule by itself does NOT necessarily mean the detected file is malicious.
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

zip b666e753ae589f870b17e1821935803778e8a627d2192e5eed613bd0cb827849

(this sample)

Formbook

Executable exe 00d2184db9877d4b69ddd040ffe54b19c6442e621c148fa4d5acc2470a2680f4

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 00d2184db9877d4b69ddd040ffe54b19c6442e621c148fa4d5acc2470a2680f4
  
Dropping
Formbook
  
Dropping
MD5 0761966881a1672f67765748af560233

Comments