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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8bd6a8555939af5f504e3bcadfa876e1447cadbcbd163b340cd784cafd4dfd8c. 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: 12


Maldoc score: 4


Intelligence 12 IOCs YARA 3 File information Comments

SHA256 hash: 8bd6a8555939af5f504e3bcadfa876e1447cadbcbd163b340cd784cafd4dfd8c
SHA3-384 hash: d03a8f005264514ead34ade248c565b408dceedfc77f3b7497d02e4131c0a2576670ca9a87c132d2c78abfe5aa49fbca
SHA1 hash: 26543f78c7c1bfad35c0e3e2acb9d5972cbd1257
MD5 hash: ff6ca372d80251aeadd10122ac4d46c0
humanhash: december-avocado-mississippi-glucose
File name:PO#BBGR2411PO69.xls
Download: download sample
Signature Formbook
File size:987'136 bytes
First seen:2024-12-02 06:22:21 UTC
Last seen:Never
File type:Excel file xls
MIME type:application/vnd.ms-excel
ssdeep 12288:GSmzHJEUiOIBUzMTSLD3DERnLRmF8DhEPGxpsAQx1Zj+jgEPBqAZFsOYjPxRdoy7:GBaibARM8Ag8Z+jHoRPlx
TLSH T16525F1D2B68DAB12CA55123535F387AE2724AC53D912467B23F8B3192FF76C08543F86
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:FormBook 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 27 sections in this file using oledump:

Section IDSection sizeSection name
1114 bytesCompObj
2244 bytesDocumentSummaryInformation
3200 bytesSummaryInformation
4114 bytesMBD007009DB/CompObj
5244 bytesMBD007009DB/DocumentSummaryInformation
6220 bytesMBD007009DB/SummaryInformation
720 bytesMBD007009DB/MBD0018D4CE/Ole
84 bytesMBD007009DB/MBD0018D4CE/ObjInfo
9197671 bytesMBD007009DB/MBD0018D4CE/Contents
10114 bytesMBD007009DB/MBD0068D442/CompObj
1126243 bytesMBD007009DB/MBD0068D442/Package
12114 bytesMBD007009DB/MBD007203CB/CompObj
13248 bytesMBD007009DB/MBD007203CB/DocumentSummaryInformation
14256 bytesMBD007009DB/MBD007203CB/SummaryInformation
15134792 bytesMBD007009DB/MBD007203CB/Workbook
16468 bytesMBD007009DB/MBD007203CB/_VBA_PROJECT_CUR/PROJECT
1783 bytesMBD007009DB/MBD007203CB/_VBA_PROJECT_CUR/PROJECTwm
18977 bytesMBD007009DB/MBD007203CB/_VBA_PROJECT_CUR/VBA/Sheet1
19977 bytesMBD007009DB/MBD007203CB/_VBA_PROJECT_CUR/VBA/Sheet2
20985 bytesMBD007009DB/MBD007203CB/_VBA_PROJECT_CUR/VBA/ThisWorkbook
212486 bytesMBD007009DB/MBD007203CB/_VBA_PROJECT_CUR/VBA/_VBA_PROJECT
22536 bytesMBD007009DB/MBD007203CB/_VBA_PROJECT_CUR/VBA/dir
23114 bytesMBD007009DB/MBD00726B69/CompObj
2426242 bytesMBD007009DB/MBD00726B69/Package
25283872 bytesMBD007009DB/Workbook
26900 bytesMBD007009DC/Ole
27291629 bytesWorkbook
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 :
465
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO#BBGR2411PO69.xls
Verdict:
No threats detected
Analysis date:
2024-12-02 06:28:22 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:
99.1%
Tags:
trojan virus gates
Result
Verdict:
Malware
Maliciousness:
Result
Verdict:
Malicious
File Type:
Legacy Office File
Payload URLs
URL
File name
https://linkjago.me/RHCYXp?&damage=nasty
Embedded Ole
Behaviour
SuspiciousRTF detected
Document image
Document image
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
macros
Label:
Malicious
Suspicious Score:
6.3/10
Score Malicious:
63%
Score Benign:
37%
Result
Threat name:
FormBook, HTMLPhisher
Detection:
malicious
Classification:
phis.troj.expl.evad
Score:
100 / 100
Signature
Document exploit detected (process start blacklist hit)
Excel sheet contains many unusual embedded objects
Injects a PE file into a foreign processes
Installs new ROOT certificates
Malicious sample detected (through community Yara rule)
Microsoft Office drops suspicious files
Multi AV Scanner detection for submitted file
PowerShell case anomaly found
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: Dot net compiler compiles file from suspicious location
Sigma detected: File With Uncommon Extension Created By An Office Application
Sigma detected: Potentially Suspicious PowerShell Child Processes
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: Suspicious Microsoft Office Child Process
Sigma detected: Suspicious MSHTA Child Process
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Suspicious command line found
Suspicious execution chain found
Suspicious powershell command line found
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Wscript starts Powershell (via cmd or directly)
Yara detected FormBook
Yara detected HtmlPhish44
Yara detected Powershell download and execute
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1566415 Sample: PO#BBGR2411PO69.xls Startdate: 02/12/2024 Architecture: WINDOWS Score: 100 97 Suricata IDS alerts for network traffic 2->97 99 Malicious sample detected (through community Yara rule) 2->99 101 Multi AV Scanner detection for submitted file 2->101 103 13 other signatures 2->103 11 EXCEL.EXE 59 32 2->11         started        process3 dnsIp4 75 146.70.113.200, 49162, 49164, 49165 TENET-1ZA United Kingdom 11->75 77 linkjago.me 188.114.96.6, 443, 49161, 49166 CLOUDFLARENETUS European Union 11->77 65 C:\Users\user\...\PO#BBGR2411PO69.xls (copy), Composite 11->65 dropped 67 C:\...\seemebestthingsgivenmegood[1].hta, HTML 11->67 dropped 117 Microsoft Office drops suspicious files 11->117 16 mshta.exe 10 11->16         started        20 mshta.exe 10 11->20         started        file5 signatures6 process7 dnsIp8 69 188.114.97.6, 443, 49163 CLOUDFLARENETUS European Union 16->69 71 linkjago.me 16->71 85 Suspicious command line found 16->85 87 PowerShell case anomaly found 16->87 22 cmd.exe 16->22         started        73 linkjago.me 20->73 25 cmd.exe 20->25         started        signatures9 process10 signatures11 105 Suspicious powershell command line found 22->105 107 Wscript starts Powershell (via cmd or directly) 22->107 109 PowerShell case anomaly found 22->109 27 powershell.exe 24 22->27         started        31 powershell.exe 25->31         started        process12 file13 61 C:\...\seethebestmagicalthignsgivegoodfo.vbS, Unicode 27->61 dropped 63 C:\Users\user\AppData\...\r3q12jmu.cmdline, Unicode 27->63 dropped 111 Installs new ROOT certificates 27->111 33 wscript.exe 1 27->33         started        36 csc.exe 2 27->36         started        39 wscript.exe 31->39         started        41 csc.exe 2 31->41         started        signatures14 process15 file16 89 Suspicious powershell command line found 33->89 91 Wscript starts Powershell (via cmd or directly) 33->91 93 Windows Scripting host queries suspicious COM object (likely to drop second stage) 33->93 95 Suspicious execution chain found 33->95 43 powershell.exe 12 4 33->43         started        57 C:\Users\user\AppData\Local\...\r3q12jmu.dll, PE32 36->57 dropped 47 cvtres.exe 36->47         started        49 powershell.exe 39->49         started        59 C:\Users\user\AppData\Local\...\xmqw35tj.dll, PE32 41->59 dropped 51 cvtres.exe 41->51         started        signatures17 process18 dnsIp19 79 ip.1016.filemail.com 142.215.209.77, 443, 49167, 49172 HUMBER-COLLEGECA Canada 43->79 81 1016.filemail.com 43->81 113 Writes to foreign memory regions 43->113 115 Injects a PE file into a foreign processes 43->115 53 aspnet_compiler.exe 43->53         started        83 1016.filemail.com 49->83 55 aspnet_compiler.exe 49->55         started        signatures20 process21
Result
Malware family:
n/a
Score:
  10/10
Tags:
defense_evasion discovery execution
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies Internet Explorer settings
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
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
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in System32 directory
Command and Scripting Interpreter: PowerShell
Blocklisted process makes network request
Evasion via Device Credential Deployment
Process spawned unexpected child process
Malware Config
Dropper Extraction:
https://1016.filemail.com/api/file/get?filekey=HTUG_EyruDR0OAZH0HHJyepUrXSvF_i6j8bweTeWBCu19xcbjQN5Tksa4OG0MqccqWNLlg&pk_vid=e0109638c9bfb9571732794356a1ff6c
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