MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3bf778e4f4cfc41decdbadc4f5d91cbca3696be47b554b61f12fb6c6d5a34770. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments 1

SHA256 hash: 3bf778e4f4cfc41decdbadc4f5d91cbca3696be47b554b61f12fb6c6d5a34770
SHA3-384 hash: 1be885e3e32cc750edc5f42eddc8f3e51c162063da5e13d5ae2a4262882ffb3162adfd7e143f62f4341afa022ea1f4b4
SHA1 hash: e47a9af295978e7c50396f195a341f7d96b27c00
MD5 hash: 3fc830e15532816cbdfb87201d7f9c0e
humanhash: potato-spring-failed-violet
File name:Hsbc Payment Advice.xls
Download: download sample
Signature Formbook
File size:404'992 bytes
First seen:2026-04-15 07:52:07 UTC
Last seen:Never
File type:Excel file xls
MIME type:application/vnd.ms-excel
ssdeep 6144:ekgkER2x4Rxfu7xYJAGv6oLIQ17MwvcdNyLVSnhaeuVNZRPdE6NwBkbKPFyD:ek2R2j7x0XvHLSHyRMjubDPHNwWbKPU
TLSH T18E840243B3D68D47E39B027D7D53D9C72940BC1AABA1426F31A47BCE34306562D3D8AA
TrID 34.9% (.XLS) Microsoft Excel sheet (32500/1/3)
30.1% (.XLS) Microsoft Excel sheet (alternate) (28000/1/3)
26.3% (.XLS) Microsoft Excel sheet (alternate) (24500/1/2)
8.6% (.) Generic OLE2 / Multistream Compound (8000/1)
Magika xls
Reporter abuse_ch
Tags:FormBook HSBC 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 dump

MalwareBazaar was able to identify 18 sections in this file using oledump:

Section IDSection sizeSection name
1114 bytesCompObj
2244 bytesDocumentSummaryInformation
3200 bytesSummaryInformation
494 bytesMBD0268823F/CompObj
520 bytesMBD0268823F/Ole
667470 bytesMBD0268823F/CONTENTS
799 bytesMBD02688240/CompObj
8124899 bytesMBD02688240/Package
91012 bytesMBD02688241/Ole
10193638 bytesWorkbook
11527 bytes_VBA_PROJECT_CUR/PROJECT
12104 bytes_VBA_PROJECT_CUR/PROJECTwm
13977 bytes_VBA_PROJECT_CUR/VBA/Sheet1
14977 bytes_VBA_PROJECT_CUR/VBA/Sheet2
15977 bytes_VBA_PROJECT_CUR/VBA/Sheet3
16985 bytes_VBA_PROJECT_CUR/VBA/ThisWorkbook
172644 bytes_VBA_PROJECT_CUR/VBA/_VBA_PROJECT
18553 bytes_VBA_PROJECT_CUR/VBA/dir

Intelligence


File Origin
# of uploads :
1
# of downloads :
110
Origin country :
SE SE
Vendor Threat Intelligence
Malware configuration found for:
MSO
Details
MSO
extracted VBA Macros and, if observed, MS-OFORM variables/data are added to the knowledge base for usage in later parsing of the Macros
Malware family:
n/a
ID:
1
File name:
Hsbc Payment Advice.xls
Verdict:
No threats detected
Analysis date:
2026-04-15 07:53:06 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:
application/vnd.ms-excel
Has a screenshot:
False
Contains macros:
False
Verdict:
Malicious
Score:
92.5%
Tags:
trojan office micro lien
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a custom TCP request
Creating a window
Connection attempt to an infection source by exploiting the app vulnerability
Сreating synchronization primitives
Using the Windows Management Instrumentation requests
Creating a process with a hidden window
Connection attempt
Possible injection to a system process
Connection attempt by exploiting the app vulnerability
Sending an HTTP GET request
Query of malicious DNS domain
Bypassing of proactive protection methods using Windows Management Instrumentation (WMI)
Sending a TCP request to an infection source by exploiting the app vulnerability
Launching a process by exploiting the app vulnerability
Result
Verdict:
Malicious
File Type:
Legacy Excel File with Macro
Behaviour
SuspiciousRTF detected
Document image
Document image
Gathering data
Label:
Malicious
Suspicious Score:
10/10
Score Malicious:
1%
Score Benign:
0%
Result
Verdict:
MALICIOUS
Details
Document With Few Pages
Document contains between one and three pages of content. Most malicious documents are sparse in page count.
Document With Minimal Content
Document contains less than 1 kilobyte of semantic information.
Verdict:
Malicious
File Type:
xls
First seen:
2026-04-14T03:28:00Z UTC
Last seen:
2026-04-17T05:01:00Z UTC
Hits:
~1000
Detections:
HEUR:Trojan.OLE2.UrcBadur.genw HEUR:Trojan.OLE2.Badur.genw HEUR:Exploit.MSOffice.CVE-2017-0199.gen Trojan.MSOffice.SAgent.sb Trojan-Downloader.MSIL.Agent.c Trojan-Downloader.Agent.HTTP.C&C HEUR:Exploit.MSOffice.CVE-2017-0199.a Trojan.MSIL.Crypt.sb Trojan-Spy.Win32.Noon.sb HEUR:Trojan.Script.Generic
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.expl
Score:
64 / 100
Signature
Document exploit detected (process start blacklist hit)
Excel sheet contains many unusual embedded objects
Multi AV Scanner detection for submitted file
Sigma detected: Suspicious Microsoft Office Child Process
Yara detected MalDoc
Behaviour
Behavior Graph:
Gathering data
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2026-04-14 12:57:03 UTC
File Type:
Document
Extracted files:
63
AV detection:
9 of 24 (37.50%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
persistence ransomware
Behaviour
Checks processor information in registry
Enumerates system info in registry
Suspicious behavior: AddClipboardFormatListener
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Uses Volume Shadow Copy WMI provider
Uses Volume Shadow Copy service COM API
Process spawned unexpected child process
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: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



Avatar
commented on 2026-04-15 08:34:36 UTC

Payload URLs:
http://66.63.170.9/129/goodthingsforbetterforme.hta
https://pc24.app/InITkj