MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 680a803030b7631f1a8bef5628a7819563c04b98b644ea603aa1b6a2bf21234b. 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: 14


Intelligence 14 IOCs YARA 5 File information Comments
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SHA256 hash: 680a803030b7631f1a8bef5628a7819563c04b98b644ea603aa1b6a2bf21234b
SHA3-384 hash: b45a33f5d94bba415005e70c93ecee833a49b94a3756f66ddb0a19a7510e77383fbef876d4a53651a28807f09513ff4c
SHA1 hash: 115578bdcce6c510e0c94d86809e32965a262dff
MD5 hash: fa790669a2aaab8ebf1b9b8462e1655d
humanhash: cold-princess-arizona-lima
File name:Vancou.rtf
Download: download sample
Signature Formbook
Create hunting rule
File size:4'642'836 bytes
First seen:2026-02-03 14:33:46 UTC
Last seen:Never
File type:Rich Text Format (RTF) rtf
MIME type:text/rtf
ssdeep 24576:15DnyOOCzV7Iplm0lzgLw9Nr25i4+e5yWJm3OyZzBuxD:ZzV7Iplm0lo
TLSH T1202686A45DA06B11E6D683DAB05AB5C0FD2E3C2378D9CFC8B77FD49424E5C20EE05A46
TrID 67.5% (.PZ2) Poser pose (12500/1/4)
27.0% (.RTF) Rich Text Format (5000/1)
5.4% (.JSON) JSON object (generic) (1000/1)
Magika rtf
Reporter James_inthe_box
Tags:exe FormBook rtf

Intelligence

File Origin
# of uploads :
1
# of downloads :
112
Origin country :
US US
Vendor Threat Intelligence
Malware configuration found for:
MSO
Details
MSO
extracted component(s) such as package(s) and OLE files
Link:
https://research.acce.ciphertechsolutions.com/results/6c3772b7-52d0-4bac-890e-afe78168282f/
Malware family:
n/a
ID:
1
File name:
_680a803030b7631f1a8bef5628a7819563c04b98b644ea603aa1b6a2bf21234b.rtf
Verdict:
No threats detected
Analysis date:
2026-02-03 14:40:12 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/305774a5-e39f-4193-bc35-38eb9d92828a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Legit
File type:
application/rtf
Has a screenshot:
False
Contains macros:
False
Detection(s):
SecuriteInfo.com.Exploit.Rtf.Obfuscated.32.1778.11402.UNOFFICIAL
Create hunting rule

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

MiscreantPunch.EXEInsideOfRTF.1.UNOFFICIAL
Create hunting rule

MiscreantPunch.RTF.2017-0199.Obfus.171711.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=69820777183032faf3eef23e
Tags:
vmdetect office extens virus
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a file in the %temp% directory
Changing the Zone.Identifier stream
Searching for synchronization primitives
Launching a process
Creating a window
Creating a process with a hidden window
DNS request
Loading a suspicious library
Launching the default Windows debugger (dwwin.exe)
Running batch commands by exploiting the app vulnerability
Result
Verdict:
Malicious
File Type:
RTF File
Link:
https://app.docguard.net/680a803030b7631f1a8bef5628a7819563c04b98b644ea603aa1b6a2bf21234b/results/dashboard
Behaviour
BlacklistAPI detected
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm expired-cert exploit formbook packed
Link:
https://www.filescan.io/uploads/69820775981ff1d38a469686/reports/aa0a29a1-b9ad-426d-b283-2c0ae9124c85/overview
Verdict:
Malicious
Labled as:
CVE-2017-11882
Link:
https://www.hybrid-analysis.com/sample/680a803030b7631f1a8bef5628a7819563c04b98b644ea603aa1b6a2bf21234b
Verdict:
Malicious
File Type:
rtf
First seen:
2026-02-02T20:57:00Z UTC
Last seen:
2026-02-03T06:47:00Z UTC
Hits:
~1000
Detections:
Exploit.MSOffice.CVE-2018-0802.b HEUR:Exploit.Win32.CVE-2017-11882.a HEUR:Exploit.MSOffice.Generic VHO:Trojan.Win32.Agentb.gen Trojan.Win32.Agentb.sb Trojan.Win64.Agent.sb Trojan.MSOffice.SAgent.sb Exploit.MSOffice.CVE-2017-11882.sb HEUR:Trojan.Win32.Generic HEUR:Exploit.MSOffice.CVE-2017-11882.b Trojan.Win32.Agent.sb Trojan.MSOffice.Agent.sb HEUR:Trojan.Win64.Agent.gen
Link:
https://opentip.kaspersky.com/680a803030b7631f1a8bef5628a7819563c04b98b644ea603aa1b6a2bf21234b/results?tab=lookup
Score:
84%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/680a803030b7631f1a8bef5628a7819563c04b98b644ea603aa1b6a2bf21234b
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/680a803030b7631f1a8bef5628a7819563c04b98b644ea603aa1b6a2bf21234b/
Verdict:
Malicious
Threat:
Exploit.MSOffice.CVE-2017-11882
Link:
https://tip.neiki.dev/file/680a803030b7631f1a8bef5628a7819563c04b98b644ea603aa1b6a2bf21234b
Threat name:
Win32.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2026-02-03 02:09:17 UTC
File Type:
Document
Extracted files:
61
AV detection:
14 of 38 (36.84%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
error
Formbook
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Link:
https://tria.ge/reports/260203-rxpf6aey4d/
Behaviour
Checks processor information in registry
Enumerates system info in registry
NTFS ADS
Suspicious behavior: AddClipboardFormatListener
Suspicious use of SetWindowsHookEx
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/680a803030b7/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/680a803030b7631f1a8bef5628a7819563c04b98b644ea603aa1b6a2bf21234b

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:FreddyBearDropper
Create hunting rule
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:MAL_RTF_Embedded_OLE_PE
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious string often used in PE files in a hex encoded object stream
Reference:https://www.nextron-systems.com/2018/01/22/creating-yara-rules-detect-embedded-exe-files-ole-objects/
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
Rule name:telebot_framework
Create hunting rule
Author:vietdx.mb
Rule name:vmdetect
Create hunting rule
Author:nex
Description:Possibly employs anti-virtualization techniques

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Comments