MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ff5518c61e1f730299af40bf4ea04898a7b83d670f5546ab903a15262d0a363e. 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: 9


Intelligence 9 IOCs YARA 24 File information Comments

SHA256 hash: ff5518c61e1f730299af40bf4ea04898a7b83d670f5546ab903a15262d0a363e
SHA3-384 hash: b98c366e60bbfd9718e1c1a8af8757f8dabc4da70a9fd70b0fc1251fc891b9b6035121b407724a49fab7ff7e74ab3aed
SHA1 hash: 360000ac5544a2470e16bbabd8f1a8c068f466c1
MD5 hash: 5c80ef449a0a5c13a4f136e8d78467bf
humanhash: alpha-winter-west-queen
File name:Ordem de compra PO n� S14123.pdf.7z
Download: download sample
Signature Formbook
File size:719'316 bytes
First seen:2025-08-27 12:30:25 UTC
Last seen:Never
File type: 7z
MIME type:application/x-rar
ssdeep 12288:cFjR2+CA9j7bO6ih4ZbN1sx0HMihcg5gRXYvP9Pkrcnn88rfvLXT:GBvB4w/sxBlg5gRIv148nhfvTT
TLSH T1EEE4235A0E425724407829F012118F5D396A4EBFC38E8F9B577E46677EDA3A0342FBB0
TrID 61.5% (.RAR) RAR compressed archive (v5.0) (8000/1)
38.4% (.RAR) RAR compressed archive (gen) (5000/1)
Magika rar
Reporter cocaman
Tags:7z


Avatar
cocaman
Malicious email (T1566.001)
From: "Dr.-Ing. Alexander Zelck <mrsea@charter.net>" (likely spoofed)
Received: "from charter.net (unknown [185.222.57.67]) "
Date: "18 Aug 2025 10:00:48 -0700"
Subject: "Re: Requisitos de material de embalagem - Morya (PO No S14123)"
Attachment: "Ordem de compra PO n� S14123.pdf.7z"

Intelligence


File Origin
# of uploads :
1
# of downloads :
37
Origin country :
CH CH
File Archive Information

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

File name:Ordem de compra PO nº S14123.pdf.exe
File size:1'247'232 bytes
SHA256 hash: ba93fe96d3ed6fa7fc69797f22b99928824db916ce9e9318a405050d721c2c16
MD5 hash: f77b8f3bced3b6e665db5bdf8bcd2406
MIME type:application/x-dosexec
Signature Formbook
Vendor Threat Intelligence
Verdict:
Malicious
Score:
96.5%
Tags:
underscore autoit emotet
Result
Verdict:
Malicious
File Type:
PE File
Behaviour
BlacklistAPI detected
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context anti-debug autoit compiled-script fingerprint keylogger lolbin microsoft_visual_cc packed rasautou threat
Verdict:
Malicious
File Type:
rar
First seen:
2025-08-19T06:39:00Z UTC
Last seen:
2025-08-19T06:39:00Z UTC
Hits:
~100
Gathering data
Threat name:
Win32.Trojan.Etset
Status:
Malicious
First seen:
2025-08-19 14:47:00 UTC
File Type:
Binary (Archive)
Extracted files:
29
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook discovery rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
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.

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
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
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
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__GlobalFlags
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:dgaagas
Author:Harshit
Description:Uses certutil.exe to download a file named test.txt
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:pe_detect_tls_callbacks
Rule name:pe_no_import_table
Description:Detect pe file that no import table
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
Rule name:SUSP_RAR_with_PDF_Script_Obfuscation
Author:Florian Roth (Nextron Systems)
Description:Detects RAR file with suspicious .pdf extension prefix to trick users
Reference:Internal Research
Rule name:SUSP_RAR_with_PDF_Script_Obfuscation_RID34A4
Author:Florian Roth
Description:Detects RAR file with suspicious .pdf extension prefix to trick users
Reference:Internal Research
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information


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

Malspam

Formbook

7z ff5518c61e1f730299af40bf4ea04898a7b83d670f5546ab903a15262d0a363e

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments