MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 76a186dadd691748e577dd75d5d5b9531f4168138e5d95edbb563acfe9da44d7. 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: | 76a186dadd691748e577dd75d5d5b9531f4168138e5d95edbb563acfe9da44d7 |
|---|---|
| SHA3-384 hash: | 59a0c6717df3eab2f6c861f64166f1ca67c00abb989794b8ae7b35d365f1dcee192a5a51ff504d611f87572f660bcc1c |
| SHA1 hash: | 88350fe7dcf539056560ac4d9434f236048894b8 |
| MD5 hash: | f8ec9ff402803832d5d92ceb0e00c133 |
| humanhash: | hydrogen-spaghetti-missouri-red |
| File name: | f8ec9ff402803832d5d92ceb0e00c133 |
| Download: | download sample |
| Signature | Formbook |
| File size: | 22'776 bytes |
| First seen: | 2021-11-18 12:46:34 UTC |
| Last seen: | 2021-11-19 22:51:24 UTC |
| File type: |  rtf |
| MIME type: | text/rtf |
| ssdeep | 384:L/yhtOUaxaXjrKQyW1w/EIhtJxa+DCcz5qwaMoe3oPnsjg0kICnnXgrNMZyqj:LGTOQy78IhtJxaqCA5Roe8nsU0n+g5M9 |
| TLSH | T197A2337EF58B0E499E97D668060ABBA5065DF01D73C840E637BCDB38791D8178B22D38 |
| Reporter |  zbetcheckin |
| Tags: | CVE-2017-11882 FormBook rtf |
Intelligence
File Origin
# of uploads :
2
# of downloads :
121
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
f8ec9ff402803832d5d92ceb0e00c133
Verdict:
Malicious activity
Analysis date:
2021-11-18 13:03:23 UTC
Tags:
opendir exploit CVE-2017-11882 loader
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
File type:
application/rtf
Has a screenshot:
False
Contains macros:
False
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
DNS request
Creating a window
Сreating synchronization primitives
Result
Verdict:
Malicious
File Type:
RTF File
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
embedequation exploit greyware packed shellcode
Result
Verdict:
MALICIOUS
Link:
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Drops PE files to the user root directory
Found malware configuration
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Office equation editor drops PE file
Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802)
Sigma detected: Droppers Exploiting CVE-2017-11882
Sigma detected: EQNEDT32.EXE connecting to internet
Sigma detected: Execution from Suspicious Folder
Sigma detected: File Dropped By EQNEDT32EXE
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Status:
Malicious
First seen:
2021-11-18 12:18:04 UTC
AV detection:
15 of 27 (55.56%)
Threat level:
5/5
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook campaign:wp1p rat spyware stealer trojan
Behaviour
Checks processor information in registry
Enumerates system info in registry
Launches Equation Editor
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: AddClipboardFormatListener
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Office loads VBA resources, possible macro or embedded object present
Drops file in Windows directory
Loads dropped DLL
Uses the VBS compiler for execution
Blocklisted process makes network request
Downloads MZ/PE file
Executes dropped EXE
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.metafirsat.com/wp1p/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.99
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: | BitcoinAddress |
|---|---|
| Author: | Didier Stevens (@DidierStevens) |
| Description: | Contains a valid Bitcoin address |
| Rule name: | INDICATOR_RTF_MalVer_Objects |
|---|---|
| Author: | ditekSHen |
| Description: | Detects RTF documents with non-standard version and embeding one of the object mostly observed in exploit documents. |
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://192.3.122.180/..............................................-.......................................-----......................-/invoice_900099888.wbk