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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 276b78b0499b0ed76085308d41344bb47e82f76384ad9bb40e15c2dfa822db72. 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



Threat unknown


Vendor detections: 11


Maldoc score: 4


Intelligence 11 IOCs YARA 3 File information Comments

SHA256 hash: 276b78b0499b0ed76085308d41344bb47e82f76384ad9bb40e15c2dfa822db72
SHA3-384 hash: a7c890e668d09bd25716d959876c820cb1353ecae42a2441ebb07a4b451aebca1a6a4249f8acc964c4991254abc0a613
SHA1 hash: 63f04dcc31e51700a8e2ccc3139b36128309bc28
MD5 hash: 2a48933974e0ce490d2bc0c5d20c7125
humanhash: mobile-spring-jupiter-charlie
File name:Claim- Jan 2025.xls
Download: download sample
File size:1'140'224 bytes
First seen:2025-01-24 19:27:49 UTC
Last seen:Never
File type:Excel file xls
MIME type:application/vnd.ms-excel
ssdeep 24576:Mea3tjAb1ZbcPBsTYgj3bVhbARM84GWNjqLvwroi1iiGckEG:M53lgkP28gj3bVaYNIvOBCcBG
TLSH T1BC35F1D2B6CD9B12CA26433076F3875E5712AC47E812827B22F9731D6AF72C09943F56
TrID 46.5% (.XLS) Microsoft Excel sheet (alternate) (56500/1/4)
26.7% (.XLS) Microsoft Excel sheet (32500/1/3)
20.1% (.XLS) Microsoft Excel sheet (alternate) (24500/1/2)
6.5% (.) Generic OLE2 / Multistream Compound (8000/1)
Magika xls
Reporter abuse_ch
Tags:xls

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 id
Maldoc score: 4
OLE dump

MalwareBazaar was able to identify 30 sections in this file using oledump:

Section IDSection sizeSection name
1114 bytesCompObj
2244 bytesDocumentSummaryInformation
3200 bytesSummaryInformation
499 bytesMBD00654C44/CompObj
520698 bytesMBD00654C44/Package
6114 bytesMBD00654C45/CompObj
7244 bytesMBD00654C45/DocumentSummaryInformation
8220 bytesMBD00654C45/SummaryInformation
9114 bytesMBD00654C45/MBD000673C0/CompObj
1017987 bytesMBD00654C45/MBD000673C0/Package
11114 bytesMBD00654C45/MBD00083EA7/CompObj
1214238 bytesMBD00654C45/MBD00083EA7/Package
13114 bytesMBD00654C45/MBD000846C9/CompObj
14708 bytesMBD00654C45/MBD000846C9/DocumentSummaryInformation
15372 bytesMBD00654C45/MBD000846C9/SummaryInformation
1697808 bytesMBD00654C45/MBD000846C9/Workbook
1720 bytesMBD00654C45/MBD0018D4CE/Ole
184 bytesMBD00654C45/MBD0018D4CE/ObjInfo
19197671 bytesMBD00654C45/MBD0018D4CE/Contents
20386813 bytesMBD00654C45/Workbook
21786 bytesMBD00654C46/Ole
22374486 bytesWorkbook
23529 bytes_VBA_PROJECT_CUR/PROJECT
24104 bytes_VBA_PROJECT_CUR/PROJECTwm
25977 bytes_VBA_PROJECT_CUR/VBA/Sheet1
26977 bytes_VBA_PROJECT_CUR/VBA/Sheet2
27977 bytes_VBA_PROJECT_CUR/VBA/Sheet3
28985 bytes_VBA_PROJECT_CUR/VBA/ThisWorkbook
292644 bytes_VBA_PROJECT_CUR/VBA/_VBA_PROJECT
30553 bytes_VBA_PROJECT_CUR/VBA/dir
OLE vba

MalwareBazaar was able to extract and deobfuscate VBA script(s) the following information from OLE objects embedded in this file using olevba:

TypeKeywordDescription
SuspiciousHex StringsHex-encoded strings were detected, may be used to obfuscate strings (option --decode to see all)

Intelligence


File Origin
# of uploads :
1
# of downloads :
673
Origin country :
NL NL
Vendor Threat Intelligence
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Connection attempt to an infection source by exploiting the app vulnerability
DNS request
Sending an HTTP GET request
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
Query of malicious DNS domain
Connection attempt by exploiting the app vulnerability
Sending a TCP request to an infection source by exploiting the app vulnerability
Result
Verdict:
Malicious
File Type:
Legacy Excel File with Macro
Payload URLs
URL
File name
https://test.mycon.link/zlZE1J
Embedded Ole
Behaviour
SuspiciousRTF detected
Document image
Document image
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
macros
Label:
Benign
Suspicious Score:
2.9/10
Score Malicious:
29%
Score Benign:
71%
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
64 / 100
Signature
Antivirus detection for URL or domain
Excel sheet contains many unusual embedded objects
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Threat name:
Win32.Exploit.Generic
Status:
Malicious
First seen:
2025-01-24 11:41:21 UTC
File Type:
Document
Extracted files:
80
AV detection:
11 of 38 (28.95%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  3/10
Tags:
discovery
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
System Location Discovery: System Language Discovery
Malware Family:
n/a
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
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:informational_win_ole_protected
Author:Jeff White (karttoon@gmail.com) @noottrak
Description:Identify OLE Project protection within documents.
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:XLS_STRINGS
Author:somedieyoungZZ
Description:Detect Strings targeting Bangladesh

File information


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

Comments