MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 3bf39aac223631e4b894209b24b7adc54bb2ae156470970326bfe2e19e7532b0. 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: 13
| SHA256 hash: | 3bf39aac223631e4b894209b24b7adc54bb2ae156470970326bfe2e19e7532b0 |
|---|---|
| SHA3-384 hash: | 6fc7d5a40a52bef55c4293cfcb2acd95fae35d49201239963d980c3aa66a365738ded8321ce7ab09e2859e1a2178b181 |
| SHA1 hash: | 666305c0bbfe6d78a7b389b2fb147a9d6ddef23b |
| MD5 hash: | 219ac64753d3c5b667a82ad453be75f7 |
| humanhash: | enemy-juliet-seven-whiskey |
| File name: | Proforma Invoice.docx |
| Download: | download sample |
| Signature | Formbook |
| File size: | 16'424 bytes |
| First seen: | 2024-06-11 19:30:15 UTC |
| Last seen: | Never |
| File type: |  doc |
| MIME type: | application/vnd.openxmlformats-officedocument.wordprocessingml.document |
| ssdeep | 384:9yXBgU6WVs8PL8wi4OEwH8TIbE91r2fRjJYIviHj/i+j5:9cBEW5P3DOqnYJFJvWj/ig |
| TLSH | T1DE72AFFD89A848ADC30F48B881132950F7ECB9B7B1F76D1BA31177284576ACEC748658 |
| TrID | 51.0% (.DOCX) Word Microsoft Office Open XML Format document (23500/1/4) 38.0% (.ZIP) Open Packaging Conventions container (17500/1/4) 8.6% (.ZIP) ZIP compressed archive (4000/1) 2.1% (.PG/BIN) PrintFox/Pagefox bitmap (640x800) (1000/1) |
| Reporter |  abuse_ch |
| Tags: | cve-2017-0199 doc docx FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
2'539
Origin country :
NLVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
3bf39aac223631e4b894209b24b7adc54bb2ae156470970326bfe2e19e7532b0.doc
Verdict:
Malicious activity
Analysis date:
2024-06-11 20:55:49 UTC
Tags:
cve-2017-0199 exploit
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
95.7%
Link:
Tags:
Network Remotetemplinj
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Сreating synchronization primitives
Searching for synchronization primitives
Using the Windows Management Instrumentation requests
Creating a window
Creating a file
Launching a process
DNS request
Connection attempt
Sending a custom TCP request
Creating a file in the %AppData% directory
Query of malicious DNS domain
Launching a file downloaded from the Internet
Launching a process by exploiting the app vulnerability
Connection attempt to an infection source by exploiting the app vulnerability
Sending a TCP request to an infection source by exploiting the app vulnerability
Creating a process from a recently created file
Result
Verdict:
Malicious
File Type:
OOXML Word File
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
language-af masquerade
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.spyw.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
Found direct / indirect Syscall (likely to bypass EDR)
Injects a PE file into a foreign processes
Installs new ROOT certificates
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Microsoft Office drops suspicious files
Microsoft Office launches external ms-search protocol handler (WebDAV)
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
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sigma detected: Equation Editor Network Connection
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Suspicious Microsoft Office Child Process
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
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:
2024-06-11 06:44:03 UTC
File Type:
Document
Extracted files:
12
AV detection:
15 of 24 (62.50%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
n/a
Score:
10/10
Tags:
n/a
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: AddClipboardFormatListener
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Office loads VBA resources, possible macro or embedded object present
Drops file in Windows directory
Abuses OpenXML format to download file from external location
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.
No further information available
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