MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 b74bbed109e630f69004a7372b4271fad04ace2cea48e99d730401738ee47deb. 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: 11
| SHA256 hash: | b74bbed109e630f69004a7372b4271fad04ace2cea48e99d730401738ee47deb |
|---|---|
| SHA3-384 hash: | 830854026ae82fda5dd16ffda5e79ac406fe06ace6e816bf28af3414cdeb14d6d4aa1dd9e031633c8ed475eb2d908922 |
| SHA1 hash: | 064c35b26c31413319d938fbc6ebaa3c4c85392e |
| MD5 hash: | b75bd88d4f4f2a7a5e77a4109d55c6ea |
| humanhash: | robert-undress-pennsylvania-wolfram |
| File name: | invoice.docx |
| Download: | download sample |
| Signature | Formbook |
| File size: | 95'996 bytes |
| First seen: | 2024-07-26 07:24:42 UTC |
| Last seen: | Never |
| File type: |  doc |
| MIME type: | application/vnd.openxmlformats-officedocument.wordprocessingml.document |
| ssdeep | 1536:huzw/hgP0QF6smQKEMzqsQtrm5rbXkvMtLQ6j7jfmMIGSzyn5ivkSVkkKLkJe0z5:A0Q8hjOXIrbXyMtE6j/EfvkS8Lrg5 |
| TLSH | T1DC9302316DDA36BAC74D2875B1B1BB6E72E68D1314722904B570DE8F23348B3E712E18 |
| TrID | 52.2% (.DOCX) Word Microsoft Office Open XML Format document (23500/1/4) 38.8% (.ZIP) Open Packaging Conventions container (17500/1/4) 8.8% (.ZIP) ZIP compressed archive (4000/1) |
| Reporter |  lowmal3 |
| Tags: | cve-2017-0199 doc FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
2'684
Origin country :
DEVendor Threat Intelligence
Verdict:
Malicious
Score:
96.5%
Tags:
Generic Infostealer Network Office Stealth
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Сreating synchronization primitives
Searching for synchronization primitives
Using the Windows Management Instrumentation requests
DNS request
Creating a window
Creating a file
Sending an HTTP GET request
Launching a process
Connection attempt
Sending a custom TCP request
Creating a file in the %AppData% directory
Connection attempt by exploiting the app vulnerability
Launching a file downloaded from the Internet
Launching a process by exploiting the app vulnerability
Sending a custom TCP request by exploiting the app vulnerability
Creating a process from a recently created file
Result
Verdict:
Malicious
File Type:
OOXML Word File
Gathering data
Result
Verdict:
MALICIOUS
Link:
Details
External Relationship Element
Document contains an externally hosted relationship, which fetches further content.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for dropped file
Antivirus detection for URL or domain
Contains an external reference to another file
Document exploit detected (process start blacklist hit)
Drops PE files with a suspicious file extension
Injects a PE file into a foreign processes
Installs new ROOT certificates
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Microsoft Office drops suspicious files
Microsoft Office launches external ms-search protocol handler (WebDAV)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Office drops RTF file
Office equation editor drops PE file
Office equation editor establishes network connection
Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802)
Office viewer loads remote template
Sigma detected: Equation Editor Network Connection
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Suspicious Microsoft Office Child Process
Yara detected FormBook
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
OFFICE
Threat name:
Document-Office.Exploit.CVE-2017-0199
Status:
Malicious
First seen:
2024-07-26 05:13:42 UTC
File Type:
Document
Extracted files:
12
AV detection:
15 of 38 (39.47%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
n/a
Score:
10/10
Tags:
credential_access discovery execution stealer
Behaviour
Checks processor information in registry
Enumerates system info in registry
Launches Equation Editor
Modifies Internet Explorer settings
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
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
Office loads VBA resources, possible macro or embedded object present
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Windows directory
Drops file in System32 directory
Suspicious use of SetThreadContext
Abuses OpenXML format to download file from external location
Executes dropped EXE
Loads dropped DLL
Blocklisted process makes network request
Command and Scripting Interpreter: PowerShell
Downloads MZ/PE file
Credentials from Password Stores: Credentials from Web Browsers
Process spawned unexpected child process
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Malspam
Delivery method
Distributed via e-mail attachment
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