MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 43fd4f99f4121ae1c321154612d720660bac3407252c6b0ee2e269519a64b203. 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: | 43fd4f99f4121ae1c321154612d720660bac3407252c6b0ee2e269519a64b203 |
|---|---|
| SHA3-384 hash: | 03c92bfd732381a63da91df20d03c9a372197e8ad1d9e9257075e62e19b4abab53fe1faefd38abeca51c38f565088f8c |
| SHA1 hash: | b39fd9a64df62b97b91227966a0cf0a72d2d5c72 |
| MD5 hash: | af451f49111d54cab74320ab65bc4783 |
| humanhash: | lake-delta-wisconsin-lemon |
| File name: | AWB# 6290868304.docx |
| Download: | download sample |
| Signature | Formbook |
| File size: | 183'778 bytes |
| First seen: | 2024-08-08 12:55:47 UTC |
| Last seen: | Never |
| File type: |  doc |
| MIME type: | application/vnd.openxmlformats-officedocument.wordprocessingml.document |
| ssdeep | 3072:ciY5rj1ATug+mhTZMxjcFQ9csn4qAzYjDp/shKuikycBSRjR/Vx7XU4Tto:m5r/g+qZMpcFSQzYHut4d1Bo |
| TLSH | T1DB040230284384BACF63D435F452B02F738FB9236A361D6526D9ABA573488B79123F59 |
| 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 |  ngokoptmp |
| Tags: | cve-2017-0199 doc docx FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
2'795
Origin country :
IDVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
AWB# 6290868304.docx
Verdict:
No threats detected
Analysis date:
2024-08-08 12:58:21 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/msword
Has a screenshot:
False
Contains macros:
False
Verdict:
Malicious
Score:
96.5%
Tags:
Exploit Generic Infostealer Network Office Agent
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
Connection attempt
Sending a custom TCP request
Connection attempt by exploiting the app vulnerability
Launching a process by exploiting the app vulnerability
Sending a custom TCP request by exploiting the app vulnerability
Result
Verdict:
Malicious
File Type:
OOXML Word File
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
language-af masquerade
Verdict:
Malicious
Labled as:
CVE-2017-0199
Label:
Benign
Suspicious Score:
4.3/10
Score Malicious:
43%
Score Benign:
57%
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
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Antivirus detection for dropped file
Contains an external reference to another file
Document exploit detected (process start blacklist hit)
Found direct / indirect Syscall (likely to bypass EDR)
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)
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 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
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sigma detected: Equation Editor Network Connection
Sigma detected: File Dropped By EQNEDT32EXE
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Suspicious Binary In User Directory Spawned From Office Application
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:
99%
Verdict:
Malware
File Type:
OFFICE
Threat name:
Document-Office.Exploit.CVE-2017-0199
Status:
Malicious
First seen:
2024-08-07 19:05:26 UTC
File Type:
Document
Extracted files:
12
AV detection:
14 of 24 (58.33%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
n/a
Score:
7/10
Tags:
discovery
Behaviour
Checks processor information in registry
Enumerates system info in registry
Suspicious behavior: AddClipboardFormatListener
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Office loads VBA resources, possible macro or embedded object present
System Location Discovery: System Language Discovery
Drops file in Windows directory
Abuses OpenXML format to download file from external location
Verdict:
Unknown
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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