MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c6e44bcfbdfe4ff896ca0522267bd166010689f29574a1877279e5016ebaa84f. 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: 17


Intelligence 17 IOCs YARA 4 File information Comments

SHA256 hash: c6e44bcfbdfe4ff896ca0522267bd166010689f29574a1877279e5016ebaa84f
SHA3-384 hash: c07840f4ae3b470174a0d32bc174e407a04dfe583d54a2e9575c6fba7c8a4ad1eedc5b644b3173b8cdd5f956f40cb53e
SHA1 hash: b5afa533768532a4f1c0f16fdeb2e1f933ce5bf3
MD5 hash: b0b29ff7266da37865550470a10d21c7
humanhash: gee-monkey-robin-tennis
File name:Quotation.xlsx
Download: download sample
Signature Formbook
File size:1'710'635 bytes
First seen:2025-09-04 08:24:02 UTC
Last seen:Never
File type:Excel file xlsx
MIME type:application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
ssdeep 49152:jD/TR4Ch7gMqc1vgmnRYB3GgeY7MZs1GVXRfK:jDt4CaM112254CUG9hK
TLSH T1AB85332EED1065AACD960138E1C0B4117EBE5BDEFB7F0C2261D8EE6974166CC45B80BD
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 lowmal3
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
A11983121 bytesoLE10nAtIVe
A20 bytesXYUBDjZGHu8dGrq6P94L9lxlqyjW

Intelligence


File Origin
# of uploads :
1
# of downloads :
85
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
d2408bee-de77-c147-4abb-7d760c457c6a.eml
Verdict:
No threats detected
Analysis date:
2025-09-03 08:36:56 UTC
Tags:
attachments attc-doc

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
93.3%
Tags:
phishing autoit emotet
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Сreating synchronization primitives
Sending a custom TCP request
Creating a window
Searching for synchronization primitives
Launching a process
DNS request
Sending an HTTP GET request
Creating a file in the %AppData% directory
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:
embedequation exploit stealer
Label:
Malicious
Suspicious Score:
9.9/10
Score Malicious:
99%
Score Benign:
0%
Result
Verdict:
MALICIOUS
Details
Document With No Content
Document contains little or no semantic information.
Verdict:
Malicious
File Type:
xlsx
First seen:
2025-09-03T04:46:00Z UTC
Last seen:
2025-09-03T04:46:00Z UTC
Hits:
~1000
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:
Verdict:
inconclusive
YARA:
3 match(es)
Tags:
Office Document
Threat name:
Document-Office.Exploit.CVE-2017-11882
Status:
Malicious
First seen:
2025-09-03 10:35:21 UTC
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Similar samples:
Result
Malware family:
n/a
Score:
  1/10
Tags:
persistence ransomware
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
Verdict:
Suspicious
Tags:
exploit
YARA:
INDICATOR_OLE_EXPLOIT_CVE_2017_11882_1
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:botnet_plaintext_c2
Author:cip
Description:Attempts to match at least some of the strings used in some botnet variants which use plaintext communication protocols.
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: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

Excel file xlsx c6e44bcfbdfe4ff896ca0522267bd166010689f29574a1877279e5016ebaa84f

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments