MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a3773c187cb9358c2cfc2eb616564e98a07dcccdc11d5fa2276784bc95a8b5ff. 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



404Keylogger


Vendor detections: 15


Intelligence 15 IOCs YARA 1 File information Comments

SHA256 hash: a3773c187cb9358c2cfc2eb616564e98a07dcccdc11d5fa2276784bc95a8b5ff
SHA3-384 hash: 2b5f6d02df0c0416c1884aea3558ae50990e21f31a5c80b7b8038bb7e062cc7861db1498b8e060a41fc9971c992f34e1
SHA1 hash: 4e4aeb9057432cda10d31c215f47276126c6234b
MD5 hash: 0a48cf52311936211d6aa218a16f107b
humanhash: mirror-thirteen-yellow-avocado
File name:SAKL0987656700.xlsx
Download: download sample
Signature 404Keylogger
File size:8'901 bytes
First seen:2025-04-15 10:36:58 UTC
Last seen:Never
File type:Excel file xlsx
MIME type:application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
ssdeep 192:i28O8t4oQBsRrhvI7kVJHRA7q9o6zwmJBAAECP3liZ:i26t4ogs07ap8KPtgCQ
TLSH T120027D5A817E041FD3198179E0089D05DE18F982A52FBA0F76B2DF7C9FFA1D71A21245
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 abuse_ch
Tags:404Keylogger CVE-2017-11882 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 2 sections in this file using oledump:

Section IDSection sizeSection name
A11746 bytesOle10Native

Intelligence


File Origin
# of uploads :
1
# of downloads :
4'263
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SAKL0987656700.xlsx
Verdict:
No threats detected
Analysis date:
2025-04-15 11:21:43 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:
99.1%
Tags:
autorun autoit emotet
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Searching for synchronization primitives
Launching a process
Connection attempt to an infection source by exploiting the app vulnerability
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
Query of malicious DNS domain
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 packed shellcode
Label:
Malicious
Suspicious Score:
10/10
Score Malicious:
1%
Score Benign:
0%
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:
2025-04-15 10:37:25 UTC
File Type:
Document
Extracted files:
13
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
404keylogger unc_loader_036
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
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: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