MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 731274dfb1a00b9694101c7488bdfa2c9bba0588f75b09a8ade4e6c6f86fbcdd. 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: | 731274dfb1a00b9694101c7488bdfa2c9bba0588f75b09a8ade4e6c6f86fbcdd |
|---|---|
| SHA3-384 hash: | 24b18883f34776e2e05839d5a13c6503e0ca88e283f0df398109fe4cb2908f68f7f01c2e0b07327adbde1a2581fa82e4 |
| SHA1 hash: | 04297240c45fce910112cadbdce42538a1b58889 |
| MD5 hash: | d559f074ac2f858891395b2d39d93e8e |
| humanhash: | fish-avocado-october-november |
| File name: | d559f074ac2f858891395b2d39d93e8e |
| Download: | download sample |
| Signature | Formbook |
| File size: | 76'863 bytes |
| First seen: | 2024-07-31 11:20:28 UTC |
| Last seen: | 2024-07-31 13:27:12 UTC |
| File type: |  rtf |
| MIME type: | text/rtf |
| ssdeep | 384:Ecw0379S9TrfmKKfd0ZnMBdIIF0bSfGgP4seTQS:NLk9/fmKKF0mBFfxP4se5 |
| TLSH | T1A873BD4E978F85A5CB416333132A4E4502FDB33EB70552B6B56C833137ED93E04AA6B8 |
| Reporter |  zbetcheckin |
| Tags: | CVE-2017-11882 FormBook rtf |
Intelligence
File Origin
# of uploads :
2
# of downloads :
117
Origin country :
FRVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
d559f074ac2f858891395b2d39d93e8e
Verdict:
No threats detected
Analysis date:
2024-07-31 11:23:27 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
92.5%
Tags:
Exploit Generic Infostealer Network Office Trojan
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Searching for synchronization primitives
Launching a process
Using the Windows Management Instrumentation requests
Creating a window
Sending an HTTP GET request
Creating a file in the %AppData% directory
Сreating synchronization primitives
Launching a service
Connection attempt by exploiting the app vulnerability
Launching a file downloaded from the Internet
Creating a process from a recently created file
Result
Verdict:
Malicious
File Type:
RTF File
Behaviour
BlacklistAPI detected
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Result
Verdict:
MALICIOUS
Result
Threat name:
FormBook, PureLog Stealer
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Document exploit detected (process start blacklist hit)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted 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)
Sigma detected: EQNEDT32.EXE connecting to internet
Sigma detected: Equation Editor Network Connection
Sigma detected: File Dropped By EQNEDT32EXE
Sigma detected: Suspicious Binary In User Directory Spawned From Office Application
Sigma detected: Suspicious Microsoft Office Child Process
Yara detected FormBook
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
SCRIPT
Detection:
cve-2017-11882-shellcode
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Status:
Malicious
First seen:
2024-07-31 11:21:05 UTC
File Type:
Document
Extracted files:
4
AV detection:
16 of 24 (66.67%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
n/a
Score:
10/10
Tags:
credential_access discovery 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 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
Suspicious use of SetThreadContext
Executes dropped EXE
Loads dropped DLL
Blocklisted process makes network request
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
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: | SUSP_INDICATOR_RTF_MalVer_Objects |
|---|---|
| Author: | ditekSHen |
| Description: | Detects RTF documents with non-standard version and embedding one of the object mostly observed in exploit (e.g. CVE-2017-11882) documents. |
| Reference: | https://github.com/ditekshen/detection |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
Delivery method
Distributed via web download
Comments
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You need to login to in order to write a comment. Login with your abuse.ch account.url : hxxp://104.219.239.104/xampp/uh/greatdayforeveryonetheyaregreatforentirethingstobeunderstandgreatday_________greatdayforeverybodytogetmegreat.doc