MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 8fd53e5f78693bc7639c94ef4a7969c5395c4e90ae255c0080f687811c8339e6. 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: 12
| SHA256 hash: | 8fd53e5f78693bc7639c94ef4a7969c5395c4e90ae255c0080f687811c8339e6 |
|---|---|
| SHA3-384 hash: | 1d705f6f341911fc6cafaadef09795ce45fba52ab6cef6340d7411a8789c0932fa9d7a9a005125fa935bca77b5146845 |
| SHA1 hash: | cbdcbfe1426651f5c2fba88872688309e308dd74 |
| MD5 hash: | e70135cdb555ce99adee7df642813dcb |
| humanhash: | summer-bulldog-juliet-december |
| File name: | e70135cdb555ce99adee7df642813dcb.rtf |
| Download: | download sample |
| Signature | Formbook |
| File size: | 8'874 bytes |
| First seen: | 2021-04-12 12:18:59 UTC |
| Last seen: | Never |
| File type: |  rtf |
| MIME type: | text/rtf |
| ssdeep | 192:v+5wk2b/9LmQCx4ZesrJHUf9i5Lt8cAKIG4BrNAorM:Giz9aQCC3tD+5AoA |
| TLSH | 6F026CB4DC94E56ADF0B85D1040F7F88192EB639B2D708D03F4CB9612F5A74A07728B0 |
| Reporter |  abuse_ch |
| Tags: | CVE-2017-11882 FormBook rtf |
Intelligence
File Origin
# of uploads :
1
# of downloads :
145
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Proforma Invoice Payment Information_Purchase Order Confirmation.docx
Verdict:
Malicious activity
Analysis date:
2021-04-12 11:17:51 UTC
Tags:
generated-doc exploit CVE-2017-11882 loader trojan formbook stealer
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
Launching a process
Creating a window
Creating a file
Launching cmd.exe command interpreter
Deleting a recently created file
DNS request
Sending an HTTP GET request
Launching a file downloaded from the Internet
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Creating a process from a recently created file
Unauthorized injection to a system process
Result
Verdict:
Malicious
File Type:
RTF File
Result
Verdict:
MALICIOUS
Link:
Result
Threat name:
Unknown
Detection:
malicious
Classification:
n/a
Score:
48 / 100
Signature
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Detection:
formbook
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Status:
Malicious
First seen:
2021-04-12 06:08:30 UTC
AV detection:
14 of 29 (48.28%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
xloader
Score:
10/10
Tags:
family:xloader loader rat
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: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
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
Suspicious use of SetThreadContext
Loads dropped DLL
Uses the VBS compiler for execution
Blocklisted process makes network request
Executes dropped EXE
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.scott-re.online/nnmd/
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: | Email_stealer_bin_mem |
|---|---|
| Author: | James_inthe_box |
| Description: | Email in files like avemaria |
| Rule name: | INDICATOR_RTF_EXPLOIT_CVE_2017_11882_4 |
|---|---|
| Author: | ditekSHen |
| Description: | detects RTF variant documents potentially exploiting CVE-2018-0802 or CVE-2017-11882 |
| 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: | IPPort_combo_mem |
|---|---|
| Author: | James_inthe_box |
| Description: | IP and port combo |
| Rule name: | Select_from_enumeration |
|---|---|
| Author: | James_inthe_box |
| Description: | IP and port combo |
| Rule name: | SharedStrings |
|---|---|
| Author: | Katie Kleemola |
| Description: | Internal names found in LURK0/CCTV0 samples |
| Rule name: | UAC_bypass_bin_mem |
|---|---|
| Author: | James_inthe_box |
| Description: | UAC bypass in files like avemaria |
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
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