MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5f88786c73edc8ec598667b01ad45071ba8eaa8a242c3b0a1605cd77c22e6eca. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5f88786c73edc8ec598667b01ad45071ba8eaa8a242c3b0a1605cd77c22e6eca
SHA3-384 hash: 5ae049b3f7532fb4ce68699258a7560777fb2528676580dd7edee270c3cd10c1d4d91f909c26f1c622d8c758e9b27c6c
SHA1 hash: 693be2767ac5824add3519f52f42d7543a47efd3
MD5 hash: 2ae8057bb2da0dfc8f487ca1c3037c4b
humanhash: lima-uniform-crazy-triple
File name:0224 SUBMISSIONS.zip
Download: download sample
Signature Formbook
Create hunting rule
File size:754'231 bytes
First seen:2025-09-25 07:52:07 UTC
Last seen:2025-09-25 22:52:02 UTC
File type: zip
MIME type:application/zip
ssdeep 12288:LQArAQbQnxvYwNtJXqow44J+6olK/b3JwPntbNQNGP7VWGWYq5l+lCMT:MYQn1YwNtJNYM6AKl4tBQwPUVYqH+5
TLSH T1FBF4330B5D6C6E1B0FD7BC4703378C263612C58D39AC79C3979A9496630C9C68EC5EAD
Magika zip
Reporter cocaman
Tags:FormBook zip


Avatar
cocaman
Malicious email (T1566.001)
From: "Inside| Accounts <accounting@dodo.com.au>" (likely spoofed)
Received: "from postfix-inbound-7.inbound.mailchannels.net (inbound-egress-8.mailchannels.net [23.83.223.254]) "
Date: "25 Sep 2025 15:51:00 -0700"
Subject: "0224 SUBMISSION for diedder"
Attachment: "0224 SUBMISSIONS.zip"

Intelligence

File Origin
# of uploads :
12
# of downloads :
69
Origin country :
CH CH
File Archive Information

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

File name:0224 SUBMISSIONS.exe
File size:1'207'296 bytes
SHA256 hash: 12f519e0749c4f2d852684cb3131506b89b941710c1f477ecc74b7958d9e9f46
MD5 hash: 8c824758d17ace05063668722b3109e6
MIME type:application/x-dosexec
Signature Formbook
Vendor Threat Intelligence
Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68d54daf1e4783989051eecb
Tags:
autoit emotet
Result
Verdict:
Malicious
File Type:
PE File
Link:
https://app.docguard.net/5f88786c73edc8ec598667b01ad45071ba8eaa8a242c3b0a1605cd77c22e6eca/results/dashboard
Behaviour
BlacklistAPI detected
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context anti-debug autoit compiled-script fingerprint keylogger microsoft_visual_cc packed
Link:
https://www.filescan.io/uploads/68d4f573674d5fd6aa0c2610/reports/38d7ba7b-afa5-433c-bf20-ae54ae879e27/overview
Verdict:
Malicious
Labled as:
Trojan.Downloader
Link:
https://www.hybrid-analysis.com/sample/5f88786c73edc8ec598667b01ad45071ba8eaa8a242c3b0a1605cd77c22e6eca
Result
Verdict:
MALICIOUS
Link:
https://labs.inquest.net/dfi/sha256/5f88786c73edc8ec598667b01ad45071ba8eaa8a242c3b0a1605cd77c22e6eca
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Malicious
File Type:
zip
First seen:
2025-09-24T12:24:00Z UTC
Last seen:
2025-09-24T12:24:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/5f88786c73edc8ec598667b01ad45071ba8eaa8a242c3b0a1605cd77c22e6eca/results?tab=lookup
Score:
100%
Verdict:
Malware
File Type:
ARCHIVE
Link:
https://malprob.io/report/5f88786c73edc8ec598667b01ad45071ba8eaa8a242c3b0a1605cd77c22e6eca
Verdict:
Malware
YARA:
3 match(es)
Tags:
AutoIt Decompiled Executable PDB Path PE (Portable Executable) PE File Layout Suspect Zip Archive
Link:
https://app.malva.re/file/2ae8057bb2da0dfc8f487ca1c3037c4b
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5f88786c73edc8ec598667b01ad45071ba8eaa8a242c3b0a1605cd77c22e6eca/
Threat name:
Win32.Backdoor.FormBook
Create hunting rule
Status:
Malicious
First seen:
2025-09-24 15:27:28 UTC
File Type:
Binary (Archive)
Extracted files:
29
AV detection:
28 of 38 (73.68%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=l6ehq3dt5xeoywmgm6ybvvcqog5i5kukeqwdwcqwaxgxpqron3fa._file
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook adware discovery rat spyware stealer trojan
Link:
https://tria.ge/reports/250925-jz5bdswkz7/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Formbook payload
Formbook
Formbook family
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.20
Link:
https://yomi.yoroi.company/submissions/5f88786c73edc8ec598667b01ad45071ba8eaa8a242c3b0a1605cd77c22e6eca

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_AllMal_Detector
Create hunting rule
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
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: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_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: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: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/
Rule name:Windows_Generic_Threat_aeaeb5cf
Create hunting rule
Author:Elastic Security

File information

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

Malspam

Formbook

zip 5f88786c73edc8ec598667b01ad45071ba8eaa8a242c3b0a1605cd77c22e6eca

(this sample)

Formbook

Executable exe 12f519e0749c4f2d852684cb3131506b89b941710c1f477ecc74b7958d9e9f46

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 12f519e0749c4f2d852684cb3131506b89b941710c1f477ecc74b7958d9e9f46
  
Dropping
MD5 8c824758d17ace05063668722b3109e6
  
Dropping
Formbook

Comments