MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bc7cae6ebd0b3c7a2f69b35bc954efb17393528d4420c9d103d2fa362d225b15. 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: 16


Intelligence 16 IOCs YARA 1 File information Comments

SHA256 hash: bc7cae6ebd0b3c7a2f69b35bc954efb17393528d4420c9d103d2fa362d225b15
SHA3-384 hash: 3fbed64c776bfa4364e75768ae07d75a48701209b5e7332d1adbbb69fca922e71a4742dea45cca403da5ee56ded584ea
SHA1 hash: 24b471f6c260e0de00d01b2070090b3bc018b719
MD5 hash: 923c0aac695e6c18c2dc1bf90d7b12e1
humanhash: virginia-july-fifteen-helium
File name:RFQ# CF14521703_25903.xlsx
Download: download sample
Signature Formbook
File size:1'694'334 bytes
First seen:2025-05-17 16:49:00 UTC
Last seen:Never
File type:Excel file xlsx
MIME type:application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
ssdeep 49152:I1FgLw27NMCaicOdx84ese0IKiUTxGl62fmW6rCKH/Lyj:I1z27SCay75e90FigGlJuW6roj
TLSH T1CC75330C6F1619D193AC21659B57005F8888B94639EF304B72352F8EEEDCA4B1E8F79D
TrID 61.2% (.XLSX) Excel Microsoft Office Open XML Format document (34000/1/7)
31.5% (.ZIP) Open Packaging Conventions container (17500/1/4)
7.2% (.ZIP) ZIP compressed archive (4000/1)
Magika xlsx
Reporter Anonymous
Tags:CVE-2017-11882 FormBook xlsx

Office OLE Information


This malware samples appears to be an Office document. The following table provides more information about this document using oletools and oledump.

OLE dump

MalwareBazaar was able to identify 3 sections in this file using oledump:

Section IDSection sizeSection name
A11983424 bytesoLE10NaTivE
A20 bytesPKUqFwXM0ymr3LIf

Intelligence


File Origin
# of uploads :
1
# of downloads :
4'679
Origin country :
SI SI
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
RFQ# CF14521703_25903.xlsx
Verdict:
No threats detected
Analysis date:
2025-05-15 07:03:17 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Legit
File type:
text/xml
Has a screenshot:
False
Contains macros:
False
Verdict:
Malicious
Score:
96.5%
Tags:
autoit emotet spam
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Searching for synchronization primitives
Launching a process
DNS request
Sending an HTTP GET request
Creating a file in the %AppData% directory
Сreating synchronization primitives
Creating a file in the %temp% directory
Using the Windows Management Instrumentation requests
Connection attempt by exploiting the app vulnerability
Launching a file downloaded from the Internet
Creating a process from a recently created file
Unauthorized injection to a system process
Result
Verdict:
Malicious
File Type:
OOXML Excel File with Embedding Objects
Behaviour
BlacklistAPI detected
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
autoit embedequation exploit fingerprint keylogger shellcode
Label:
Malicious
Suspicious Score:
9.8/10
Score Malicious:
99%
Score Benign:
1%
Result
Verdict:
MALICIOUS
Details
Document With No Content
Document contains little or no semantic information.
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
64 / 100
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Threat name:
Document-Office.Exploit.CVE-2017-11882
Status:
Malicious
First seen:
2025-05-15 09:12:14 UTC
File Type:
Document
Extracted files:
16
AV detection:
27 of 37 (72.97%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook unc_loader_036 autoit
Similar samples:
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Behaviour
Checks processor information in registry
Enumerates system info in registry
Suspicious behavior: AddClipboardFormatListener
Suspicious use of SetWindowsHookEx
Uses Task Scheduler COM API
Uses Volume Shadow Copy WMI provider
Uses Volume Shadow Copy service COM API
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: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.

Comments