MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dd625949ce3243dc01eaf5d1d270bef6d4f75a66995271553ea53ed8d3ba0a56. 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


Intelligence 15 IOCs YARA 2 File information Comments 1

SHA256 hash: dd625949ce3243dc01eaf5d1d270bef6d4f75a66995271553ea53ed8d3ba0a56
SHA3-384 hash: 8aa768b9d17286bc6b6e77dae742ac25e42c1c4fe1399b6b2eb055741e4a85adba955935363ff37292f386959d4ec641
SHA1 hash: 836f880b9b17ed529d7718b109b3251f5b98fe37
MD5 hash: 2af4d7d7255cb2e719ade02f0c21a41c
humanhash: social-charlie-virginia-fix
File name:2af4d7d7255cb2e719ade02f0c21a41c
Download: download sample
Signature Formbook
File size:41'743 bytes
First seen:2023-06-27 06:28:54 UTC
Last seen:Never
File type:Rich Text Format (RTF) rtf
MIME type:text/rtf
ssdeep 768:HFx0XaIsnPRIa4fwJMg1HqKGFbLGGVyxZjeMarLsqYIb:Hf0Xvx3EMQEbLfVyxZjeMaXew
TLSH T117137F5AE79F02A48F511273531B0E899ABDB63EB35151B178AC837433EDC3D02666BC
TrID 71.4% (.PZ2) Poser pose (12500/1/4)
28.5% (.RTF) Rich Text Format (5000/1)
Reporter zbetcheckin
Tags:CVE-2017-11882 FormBook rtf

Intelligence


File Origin
# of uploads :
1
# of downloads :
104
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
INVOICE No. KTSPHI-AUDIO.docx
Verdict:
Malicious activity
Analysis date:
2023-06-27 05:27:55 UTC
Tags:
exploit cve-2017-11882 loader formbook xloader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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
Creating a file in the %temp% directory
Creating a file
Creating a file in the %AppData% subdirectories
Launching cmd.exe command interpreter
Sending an HTTP GET request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
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
Behaviour
BlacklistAPI detected
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
embedequation exploit lolbin shell32.dll shellcode
Result
Verdict:
MALICIOUS
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
72 / 100
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros)
Behaviour
Behavior Graph:
Threat name:
Document-Office.Exploit.CVE-2017-11882
Status:
Malicious
First seen:
2023-06-26 18:37:01 UTC
File Type:
Document
Extracted files:
3
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:m42i persistence 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 FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Office loads VBA resources, possible macro or embedded object present
Enumerates physical storage devices
Drops file in Windows directory
Suspicious use of SetThreadContext
Adds Run key to start application
Executes dropped EXE
Loads dropped DLL
Blocklisted process makes network request
Downloads MZ/PE file
Formbook payload
Formbook
Please note that we are no longer able to provide a coverage score for Virus Total.

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.

Web download

Formbook

Rich Text Format (RTF) rtf dd625949ce3243dc01eaf5d1d270bef6d4f75a66995271553ea53ed8d3ba0a56

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2023-06-27 06:28:55 UTC

url : hxxp://79.110.49.21/agodzx.doc