MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 1f9d1bffe188b76bbd97cb2fd59ab47248b71fcede2f415ca29fcc0f1040bbee. 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: 8
| SHA256 hash: | 1f9d1bffe188b76bbd97cb2fd59ab47248b71fcede2f415ca29fcc0f1040bbee |
|---|---|
| SHA3-384 hash: | da87f9e5594d610be5431791d825de128375939bc12c8a5993519dc8ee2a5f42ceca2a20cdc981e6d3ba068f1dbbf846 |
| SHA1 hash: | 415e8f97c4ad9392ee905cef88b814f0fd4162a2 |
| MD5 hash: | 44cce032ed68104da1f632d18dd16971 |
| humanhash: | stairway-five-seven-xray |
| File name: | RFQ RATED POWER 2000HP- OTHERSPECIFICATION.docx.doc |
| Download: | download sample |
| Signature | Formbook |
| File size: | 1'323'990 bytes |
| First seen: | 2021-01-13 19:31:09 UTC |
| Last seen: | Never |
| File type: |  doc |
| MIME type: | text/rtf |
| ssdeep | 24576:gEirQ4yNrQb+SMe9Gt+qiiXT7vWultiCaEITcgKGlWxRDSH9a8Kf1MxZH4BtLyI8:m |
| TLSH | BE55BFB875047DD62A6F536BDE96ACDC13A62663CACBA4CD80647BC305A3375FE02C05 |
| Reporter |  abuse_ch |
| Tags: | doc FormBook |
abuse_ch
Malspam distributing unidentified malware:HELO: ns1.detdigitalebilhus.xyz
Sending IP: 176.123.10.32
From: Mohammad Ahmad Hassan<m.ahmad@ufm.com.kw>
Subject: REQUEST FOR QUOTATION-OTHER SPECIFICATIONS
Attachment: RFQ RATED POWER 2000HP- OTHER SPECIFICATION.docx.doc
Intelligence
File Origin
# of uploads :
1
# of downloads :
152
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Behaviour
Launching a process
Creating a window
DNS request
Creating a file in the %AppData% directory
Launching cmd.exe command interpreter
Deleting a recently created file
Setting browser functions hooks
Sending an HTTP GET request
Launching a file downloaded from the Internet
Unauthorized injection to a recently created process by context flags manipulation
Forced shutdown of a system process
Creating a process from a recently created file
Unauthorized injection to a system process
Unauthorized injection to a browser process
Result
Verdict:
Malicious
File Type:
Fake RTF File
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Signature
Antivirus detection for dropped file
Found malware configuration
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for dropped file
Office equation editor drops PE file
Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Droppers Exploiting CVE-2017-11882
Sigma detected: EQNEDT32.EXE connecting to internet
Sigma detected: File Dropped By EQNEDT32EXE
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Status:
Malicious
First seen:
2021-01-13 19:32:06 UTC
AV detection:
23 of 46 (50.00%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook rat spyware stealer trojan
Behaviour
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
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 AdjustPrivilegeToken
Office loads VBA resources, possible macro or embedded object present
Drops file in Windows directory
Suspicious use of SetThreadContext
Loads dropped DLL
Blocklisted process makes network request
Executes dropped EXE
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.evana-rohanihijab.com/iic6/
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: | 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.
Malspam
Delivery method
Distributed via e-mail attachment
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