MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 94bae4886fe8942d256a84af00ae297e560b1711272c0d7b05d89f98c8067890. 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: 6


Intelligence 6 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 94bae4886fe8942d256a84af00ae297e560b1711272c0d7b05d89f98c8067890
SHA3-384 hash: eaf0af36edd558bd562116f20a37170fab0a537a5e1a4fdf17de3e519c972fabd4cbdeb8ad2cb4efe27450e16320309b
SHA1 hash: 91f23e359413106abd24ecdef8a0a2570cf39090
MD5 hash: 57672c47c193f3a557553cab8126f356
humanhash: london-nitrogen-chicken-yankee
File name:57672c47c193f3a557553cab8126f356.rtf
Download: download sample
Signature Formbook
Create hunting rule
File size:10'438 bytes
First seen:2020-11-25 17:23:57 UTC
Last seen:Never
File type:Rich Text Format (RTF) rtf
MIME type:text/rtf
ssdeep 192:cVpvhFk5f7aSsBMS9CaqiikLF1bdvSHfAGSKrHmUcBE0+7VeXyWZq+7mpEYJE:2vA5fWx0LyLgS7UL0qEg+ae
TLSH D7228DB4DCE5D2648BC6D286895A6E054D6E387CABD30A7B3DCDC1B1B72A3170731809
Reporter abuse_ch
Tags:CVE-2017-11882 FormBook rtf

Office OLE Information

This malware samples appears to be an Office document. The following table provides more information about this document using oletools and oledump.

OLE dump

Intelligence

File Origin
# of uploads :
1
# of downloads :
116
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a window
Creating a file
Launching cmd.exe command interpreter
Deleting a recently created file
Sending an HTTP GET request
Launching a file downloaded from the Internet
Creating a process from a recently created file
Result
Verdict:
MALICIOUS
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/94bae4886fe8942d256a84af00ae297e560b1711272c0d7b05d89f98c8067890/
Threat name:
Document-Office.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2020-11-25 16:13:13 UTC
AV detection:
14 of 28 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ss5ojcdp5ckc2jlkqsxqblrjpzlawfyre4wa26yf3cpzrsagpcia._file
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/201125-kx4a3ncnwn/
Behaviour
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
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Checks processor information in registry
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
Blacklisted process makes network request
Executes dropped EXE
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.mommabearmoney.com/et2d/
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:Email_stealer_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Email in files like avemaria
Rule name:IPPort_combo_mem
Create hunting rule
Author:James_inthe_box
Description:IP and port combo
Rule name:Select_from_enumeration
Create hunting rule
Author:James_inthe_box
Description:IP and port combo
Rule name:SharedStrings
Create hunting rule
Author:Katie Kleemola
Description:Internal names found in LURK0/CCTV0 samples
Rule name:UAC_bypass_bin_mem
Create hunting rule
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

Formbook

Rich Text Format (RTF) rtf 94bae4886fe8942d256a84af00ae297e560b1711272c0d7b05d89f98c8067890

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/853459/
  
Delivery method
Distributed via web download

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