MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 8fbf18c6b0792a4c200d2f2a99ed5efbf20131441ecd0ae548c0225ced8fe0d2. 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: 15
| SHA256 hash: | 8fbf18c6b0792a4c200d2f2a99ed5efbf20131441ecd0ae548c0225ced8fe0d2 |
|---|---|
| SHA3-384 hash: | 53cc74f94cb2134827b487154ad4b0203518e8ab86d1ebdf92e058abe206b10d8122a5d0d4f7dea7d875f10f5906346c |
| SHA1 hash: | eeeea3230ca7dea9a4adb11d460f374b70d166ed |
| MD5 hash: | 92b736a88accca357f968824f1bcaa3d |
| humanhash: | failed-wolfram-robert-oranges |
| File name: | PO No 6900063461.doc |
| Download: | download sample |
| Signature | Formbook |
| File size: | 231'001 bytes |
| First seen: | 2023-11-03 07:37:56 UTC |
| Last seen: | 2023-11-03 09:19:44 UTC |
| File type: |  doc |
| MIME type: | text/rtf |
| ssdeep | 768:+wAbZSibMX9gRWje388n09sD8Vqvq5Yd7siTtq6l7j:+wAlRXM2ND8Vqi6Nskq6X |
| TLSH | T1FE34346CD38B0269CF66133A9B271E4482BDBB2EF34451B5346C837533EAC2D91265BD |
| Reporter |  abuse_ch |
| Tags: | CVE-2017-11882 doc FormBook |
Intelligence
File Origin
# of uploads :
2
# of downloads :
314
Origin country :
NLVendor Threat Intelligence
Verdict:
Legit
File type:
application/msword
Has a screenshot:
False
Contains macros:
False
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Searching for synchronization primitives
Launching a process
Creating a window
Creating a file in the %AppData% directory
Сreating synchronization primitives
Launching the process to change network settings
Launching cmd.exe command interpreter
Query of malicious DNS domain
Sending an HTTP GET request to an infection source by exploiting the app vulnerability
Creating a process from a recently created file
Unauthorized injection to a system process
Result
Verdict:
Malicious
File Type:
Fake RTF File
Behaviour
BlacklistAPI detected
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Verdict:
Malicious
Labled as:
CVE-2018-0802
Label:
Malicious
Suspicious Score:
10/10
Score Malicious:
1%
Score Benign:
0%
Result
Verdict:
MALICIOUS
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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 document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros)
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: File Dropped By EQNEDT32EXE
Yara detected FormBook
Behaviour
Behavior Graph:
Score:
98%
Verdict:
Malware
File Type:
ASCII
Detection:
formbook
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Status:
Malicious
First seen:
2023-11-03 07:38:08 UTC
File Type:
Document
Extracted files:
3
AV detection:
14 of 24 (58.33%)
Threat level:
5/5
Detection(s):
Malicious file
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook campaign:4hc5 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 behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Office loads VBA resources, possible macro or embedded object present
Drops file in Windows directory
Suspicious use of SetThreadContext
Executes dropped EXE
Loads dropped DLL
Blocklisted process makes network request
Downloads MZ/PE file
Formbook payload
Formbook
Malware family:
FormBook
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
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: | 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. |
| 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.
No further information available
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