MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ea0d508838824f307834ad0175e5c033295b29ee52c79e1aaaa43c4cd3453d34. 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


Intelligence 11 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ea0d508838824f307834ad0175e5c033295b29ee52c79e1aaaa43c4cd3453d34
SHA3-384 hash: 384926bc8248487d9fa6eb63cf181c50062ab1c2da2f7c6eb30b31d9dc9f453684a218dc537615058d2d7129de2ac739
SHA1 hash: bc76ee457023a6fc86d38db228fa33453789f029
MD5 hash: 27bf00621c8bfc604a50a3ed989d3edb
humanhash: wyoming-march-one-triple
File name:Customer_Requirements _Pricing.doc
Download: download sample
Signature Formbook
Create hunting rule
File size:108'782 bytes
First seen:2024-01-17 14:26:15 UTC
Last seen:2024-01-17 16:30:04 UTC
File type:Word file doc
MIME type:text/rtf
ssdeep 768:UwAbZSibMX9gRWjtwAbZSibMX9gRWjZTqBz60qiVVVohlCamLhIU3S9Ck:UwAlRkwAlRbBW0bVohlH+hIQqt
TLSH T14AB3CF6DD34B02698F6213779B1B1E5542BCBA7EF38452B1306C533933EAC39A1252BD
Reporter abuse_ch
Tags:CVE-2017-11882 doc For FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
355
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.29015.RtfHeur.Msg.UNOFFICIAL
Create hunting rule

Sanesecurity.Shelter.Malware.BadRtf.ObjUpd.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.RoomService.20230808.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malicious
File Type:
Fake RTF File
Link:
https://app.docguard.net/ea0d508838824f307834ad0175e5c033295b29ee52c79e1aaaa43c4cd3453d34/results/dashboard
Behaviour
BlacklistAPI detected
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
embedequation exploit packed shellcode
Link:
https://www.filescan.io/uploads/65a7e3bb59502c0e7b396cc1/reports/8f6e2392-dde0-457a-ae2c-24e2c4b0ad4a/overview
Verdict:
Malicious
Labled as:
CVE-2017-11882
Link:
https://www.hybrid-analysis.com/sample/ea0d508838824f307834ad0175e5c033295b29ee52c79e1aaaa43c4cd3453d34
Label:
Malicious
Suspicious Score:
10/10
Score Malicious:
1%
Score Benign:
0%
Link:
https://www.malware.ai/gui/files/?id=56302c81-3d50-4d06-b49f-078d99f5883d
Result
Verdict:
MALICIOUS
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1376069
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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)
Maps a DLL or memory area into another process
Multi AV Scanner detection for domain / URL
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)
Queues an APC in another process (thread injection)
Sigma detected: EQNEDT32.EXE connecting to internet
Sigma detected: File Dropped By EQNEDT32EXE
Snort IDS alert for network traffic
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1376069 Sample: Customer_Requirements__Pric... Startdate: 17/01/2024 Architecture: WINDOWS Score: 100 47 Snort IDS alert for network traffic 2->47 49 Multi AV Scanner detection for domain / URL 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 13 other signatures 2->53 11 WINWORD.EXE 291 16 2->11         started        process3 file4 35 ~WRF{EA395DF6-1E44...B-967F7132843F}.tmp, Composite 11->35 dropped 14 EQNEDT32.EXE 11 11->14         started        process5 dnsIp6 41 zsin2.ebnsina.top 104.21.13.124, 49160, 80 CLOUDFLARENETUS United States 14->41 37 C:\Users\user\AppData\...\ebile22599.exe, PE32 14->37 dropped 39 C:\Users\user\AppData\...\ebilezx[1].exe, PE32 14->39 dropped 43 Office equation editor establishes network connection 14->43 45 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 14->45 19 ebile22599.exe 2 14->19         started        file7 signatures8 process9 signatures10 55 Machine Learning detection for dropped file 19->55 57 Injects a PE file into a foreign processes 19->57 22 ebile22599.exe 19->22         started        process11 signatures12 59 Maps a DLL or memory area into another process 22->59 25 JPnhIUiZGWGnhWhEX.exe 22->25 injected process13 signatures14 61 Maps a DLL or memory area into another process 25->61 28 gpresult.exe 25->28         started        process15 signatures16 63 Maps a DLL or memory area into another process 28->63 65 Queues an APC in another process (thread injection) 28->65 31 explorer.exe 28->31 injected 33 JPnhIUiZGWGnhWhEX.exe 28->33 injected process17
Score:
99%
Verdict:
Malware
File Type:
ASCII
Link:
https://malprob.io/report/ea0d508838824f307834ad0175e5c033295b29ee52c79e1aaaa43c4cd3453d34
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ea0d508838824f307834ad0175e5c033295b29ee52c79e1aaaa43c4cd3453d34/
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2024-01-17 13:56:46 UTC
File Type:
Document
Extracted files:
4
AV detection:
15 of 23 (65.22%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=5igvbcbyqjhta6buvuaxlzoagmuvwkpokldz4gvkuq6ezu2fhu2a._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Link:
https://tria.ge/reports/240117-rsd5magger/
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
Program crash
Drops file in Windows directory
Suspicious use of SetThreadContext
Executes dropped EXE
Loads dropped DLL
Blocklisted process makes network request
Downloads MZ/PE file
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/ea0d50883882/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/ea0d508838824f307834ad0175e5c033295b29ee52c79e1aaaa43c4cd3453d34

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
Create hunting rule
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
Create hunting rule
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.

Comments